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VRV-IIIC ColdRegion SiBE31-801C tcm135

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2. 9911090 o HOLO3NNOO VEX Fossa 6SH OSH aw om ae anov N33HDINHD ILHMELHM menm eec SHO TOD S ammaowH3MOd HOSN3S HOLSISSH _ OLH azv 911 N33H9 HOLINON 3014839 101 Hd LS SON NOLLO3 LOHd JHL LHOHS NOG N3HNVZ 12 TINTON _ HIA div 193130 WSH3A3U D d IH9I NOLLOSLSQ NOI1ONI TIN NO NOLLOVO3Hd OIAt3S OL H3434 9 158 ISN OL 9 1 1995 6 4 114405 u3MOd ONIHOLIMS 1531 3uvd3ud dH
3. L09008 HOLSINYSHL dev AVT3H OLL3NOVW 3ouns HLIM H3LTIH3SION az GOUVHOSIC OLN Led div SLA AV 13H OLI3NDVIN HM 3HOO 3SION 222 912 dev 5 LINOHIO LHOHS LON ANN GINOM 39NVHO JAVA GION3TOS _ SsA HOISIS3H s6H OLN HO LOV INOO OLL3NOVIN WP Wey OdINOO NO 38V LNOU TI VOdHd OL 88488 5 58 ASN OL SSvdAg 3XIVAGION3TOS HOSN3S INSHYNO HOLSISSH 06H HOLINOWN 3OIAH3S IMONVIA NOLLV T IV LSNI SSvqAg BNMIAGQION3IOS sea HOLISIS3H 6SH 098 NOLLONDH VW JHL OL 43434 O LO NOISSIASNVHL LLTNW HOOCLNO OL DNIHIM NOLLOANNOO SAWA GION31OS 12 140 WSHSASY SSVHd SONIHSMOFTH 1591
4. SEA 4 WHT ET JINPUT FROM OUTSIDE gt NOTE 2 ORG TRANSMISSION WIRING CENTRALIZED BLU REMOTE CONTROLLER Pis EE P1 MIF KPR M X8A NOTE 3 IN CASE OFF XMQ125MFV1 aY 1 lo WIRED REMOTE CONTROLLER Kd BLK OPTIONAL ACCESSORY MEN x X52A AE EN I 2 6 X8A BLU RED vis jor 9 18 17 16 15 14 EJS1L RED vig MIP _ DRAIN PUMP KIT QIM OPTIONAL ACCESSORY NOTE 3 X3M INDOOR UNIT X1M TERMINAL BLOCK POWER A1P PRINTED CIRCUIT BOARD 2 TERMINAL BLOCK CONTROL C1 C2 CAPACITOR M1F X3M TERMINAL BLOCK F1U FUSE 5A 250V A1P X51A X52A CONNECTOR HAP LIGHT EMMITING DIODE Y1E ELECTRIC EXPANSION VALVE SERVICE MONITOR GREEN 15 SOLENOID VALVE HOT GAS K1M MAGNETIC RELAY M1F MAGNETIC RELAY M1F OPTIONAL PARTS KPR MAGNETIC RELAY M1P M1P MOTOR DRAIN PUMP KSR MAGNETIC RELAY 15 S1L FLOAT SWITCH DRAIN PUMP Q1M THERMAL PROTECTOR WIRED REMOTE CONTROLLER M1F EMBEDDED 135 C 551 SELECT SWITCH MAIN SUB THERMISTOR SUCTION AIR R2T THERMISTOR COIL LIQUID CONNECTOR FOR OPTIONAL PARTS R3T THERMISTOR COIL GAS X18A CONNECTOR WIRING ADAPTOR THERMISTO
5. VZLLO9O0QE INGON urA unouo 193130 dulo avv OLN HOLOVINOO OlL3NOVW Eccc Id E 4 2 dzY uO LdOQV 14406 4 V6X avv 3qolq dtY A1ddns u3MOd 42 atv NSSU9 HOLINON 3014439 dv 1018 pate H3AOO Od AOO T3 NO 48 1 NOILNYOJHd 3O0IAH3IS OL 43434 S 1S8 ISN OL 9 SLHYd TVNOLLdO HOLO3NNOO SSOINSC AL33VS df 28 3 NOLLONNSTYN NOLLV JHL OL H3H3u ZO 10 NOISSINSNVHI LETRIAFHOOGLLGO HOSN3S IN3HH0O HOSS3HdINOO HOLON OZN 9NIH3XOTTH 1531 3Hyd3ti dH 24 Ld NOISSINSNVELL HOOGLNO HOOGLNO 24 14 NOISSINSNVH L HOOCLNO HOOGNI OL SNIHIA NOLLOSNNOO HOH S JOHNS HLIM H31113 ISION 312 HOLIMS 3HnSS3Hd HWSWiS HOLLOWS 39Nv80 HOLINOW 01 35 AV1101d d8 d LH HOLdVQv TVNOLLdO 3HL JO NOLLWTIVISNI OL H3434 HOLdVOV IVNOLLdO IHL ONISN t 3H00 H3LTH3SION 28 217 HOSN3S SpA AVISY OLLENO VIN dev ve 9 L asna Noora MAHOS JALLOHLOUd IVNIINEHIL
6. 3809 3 833 H311I4 3SION 001 912 r 3unssaud L 321 839 dii 1016 d8 d LH qs 22 GION310S S8A HOSN3S 3unssaud HdNIS AvTHHOLSNOVW dev nosz ve 9 1 ISN Noor JAVA GION3TOS 524 GINOM HOLSINYSHL _ 164 dsv ISNA ssvdA8 SATIVA GlON310S S9A NOLONS HOLSIWHSHL _ 18 H2M vere 4 asn3d nia 5 9 LOH 3A1VAdION31OS SSA GINO oxalvaH uOlslWH3Hl 1 8 Av HH OLSNOVWN VSL L 3sna 3 QION31OS SvA NONOK 3 1000 809 8108 195 dev SSA Av13H OLLJNOVIN HSM Ha3lV3H XOHOdWWNOO TD 26 IN N ox LYH IATA AYM AYA 010091081 lt 6 Svo ox3lvaH 1000 806 HOLSINHSHL 164 d SeA A AVI3H OILIN YN H3lV3H 26 213 s MTA n Aid ATWA JAVA QIONSIOS 439130 23 1 3 HOLSINYSHL Iru H e HOLIOVdVO 990 999 26 26 Pm OLY 5 514 9 01 HO1SINU3HL Le Leu uOLOVdvO 10 g
7. uoisuedxa 210112913 lt eunsse1d osu s eJnsseJg eqni ANI eqn Melden pouas jy GO buoisuedxo 4035 Z 0100905 SE 1 1l d 2 His Areyideg 8 nss d uod T 1914 I A PUN iB eunsseud eynjosqe Jo ael i 499U2D Z X 4 ed amp JnOJ 27 4 Jo pires MEILI JOSUOS 4 uolsuedx 9IUOJI29 3 RS N 1 1l d 90 Fijen F 2104093 lj eunsseud 10805 eunsseJg IdNGS eqni jen Aaus a an ANI Mede w anen LI ho piousjos lt 69 uoisuedxe 9IuOJID9 3 19113 sqn 2 HS uos o FAIS UOlWs 1o e n0 1 1009 05 ainsseidy6iy einssei
8. 440 5 eansseud 1 d 1 eqm Arejideo w RT 5 19 ss 194 NA pue seg Inssad yo9uo Josues S Y 29995 plousjos 4 309U0 t4 edid JOU ANLAYIN MEA ions N d 19919 NBA uoisuedxo 9IU0J129 3 edid pinbr i Joy i eqni Z uod sales 525 Du019 3 J 1 d uoisuedxe 9IU04129 3 sec 4 6 194114 L piouejos Z uod haz Z PO 020518 uolsuedx x uolsuedx 149g 914 1e sid 261 sid 26 AAO 1e1souueup T uonejedo _ NO 1 NO sowy L Buneer NO uonejedo 400pu 76 I CUI Refrigerant SiBE31 801 C Refrigerant Flow for Each Operation Mode Heating ae Low Outdoor Temperature Josues x NEN uds einsseJd 1 1 3 J9
9. 9 M DAAA ba 34 XA 34 XA Yv9LLN3Q GO GO 60 dO11IN0S8 19 19 19 19 ES ry VOX NOX NOX VEX DD Wx 038 2 2605 AOtc 0co H3MOd CN 390 Appendix List of Electrical and Functional Parts SIBE31 801 C 3 List of Electrical and Functional Parts 3 1 Outdoor Unit 3 1 1 RTSQ8PY1 It N Symbol RTSQ8PY1 M M M JT1GEDKYRG SB device E Compressor STD 1 2C device device E E 14 7A OC protection Electronic expansion valve Main Fully closed 0pls Fully open 480pls Electronic expansion valve Refrigerant charge Fully closed 0pls Fully open 480pls Electronic expansion valve Subcooling Fully closed 0pls Fully open 480pls For M1C S1PH OFF
10. H 3 C H group address 052 051 C H group address O O Outdoor unit group unit group unit group master No O slave 0 slave No O External Outdoor Outdoor control unit group unit group adaptor No 1 master No 1 slave No 1 C H group address 00900000 I 052 051 C H group address Outdoor Outdoor Outdoor Outdoor Outdoor unit group unit group unit group control unit group unit group master No 2 slave No 2 slave No 2 adaptor No 3 master No 3 slave No 3 Address Outdoor unit PCB LED External control adaptor for outdoor unit No Set with setting mode 2 DS2 DS1 Test Operation AA AASB 000 Upper position ON lower position OFF The shaded part shows knob 182 Field Setting SiBE31 801 3 2 06 Setting of Low Noise Operation and Demand Operation 1 Setting of Low Noise Operation By connecting the external contact input to the low noise input of the outdoor unit external control adaptor optional you can use low noise operating Set outdoor unit fan to Step 5 or lower 183 Set the outdoor unit fan to Step 4 or lower Set the outdoor unit fan to Step 3 or lower A When the low noise operation is carried out by ex
11. 90000 N u Switch box cover Mode setting switch 51 55 Set mode display LED H1P H8P Main PCB X6A QX20A X22A X37A 5 E OO O O IO O OI O H1P H2P H3P H4P H5P H6P H7P H8P U HAP EL 852 BSS T 5888 HHHH HHHH 1234 n BL BLU x27A X4A X3A 15 o X14A n n gt rS B SE gt n 3E z X32A X9AG X10A X12A X11A n n oj jo 26 25 1 LL ESL pas i ia a a Indoor outdoor Indoor outdoor outdoor outdoor outdoor outdoor Multi outdoor outdoor 133 a gt manan w 1 21 Im gt X36A e X29A 18 X31A X66A Local setting switch DS2 1 2 4 Local setting switch DS1 1 1 4 Micro computer normal monitor HAP Test Operation SiBE31 801 C Test Operation 1 8 Additional Refrigerant Charge Procedure Charge the additional refrigerant by following procedure before test operation Calculation
12. 97 Mi EIOIOSGIO COMON E T m 98 7 1 High Pressure Protection Control 98 7 2 Low Pressure Protection Control 100 7 3 Discharge Pipe Protection Control 102 Inverter Protection Control uy un ee 103 7 5 STD Compressor Overload 104 7 6 Cooling Fan Control for Radiation Fin Temperature of Function Unit 104 7 7 Heater Control for Function Unit Switch 104 Mere nic M 105 8 1 Pump down Residual Operation 105 8 2 Oil Return Operation 107 6 97 Delost ODSFallOl Sbi gt 111 8 4 Emergency Operation 113 Outline of Control Indoor 114 9 1 FOW etate u nuyu Au Deas a 114 9 2 Thermostat 2 1 4 4 116 95 Dran PUMP eat 121 9 4 Freeze Preve
13. em e e e e ej o o a a e lr ocv E oB 2 DOG 212122121474 ojojo c O O oM ae HHS HSS SHE 1 O c ojojo c c 1 HHBHHBHEBEHBEHBEBEHH Oo e e o eje eo o oje e n TS o s I N Display of contents o of contents of Display of contents of Display 1 of Display 2 of malfunction first digit malfunction second digit malfunction in detail malt netien in 1 Faulty system Individual system Individual system Multi system Multi system gt Right hand system Master o Left hand system Slave 1 Slave 2 90 09 All systems System 217 Troubleshooting SiBE31 801 C Troubleshooting by Remote Controller To enter the monitor mode push the code MODE BS1 button when in Setting Description of malfunction Description of malfunction PGF mode 1 Open phase and unbalanced power Unbalanced INV power supply voltage supply INV radiation fin tempera
14. 334 7 1 Gt Error of External Protection Device 334 7 2 55 oo Indoor Air Thermistor Error 335 7 3 Damper System Error Alarm 336 7 4 Damper System Error Alarm 337 7 5 Malfunction of Simplified Remote Controller 338 Part 7 u a il d PPNO 354 Outdoor 354 152 IMAO UN suo se ae 359 tS BS Unlu n 366 Wiring Diagrams for Reference 367 o dS ui 367 Zee Field 371 2 3 qori uuu 373 24 uuu 389 List of Electrical and Functional Parts 391 eese TUTTI 391 5 395 Seed M eS 401 Opiom Controle S uu unuy 401 4 2 Option Lists Outdoor Unit 403 Example of Connection R
15. ANT INT NOISSINSNYHL SNM NOISSINSNYHL qavo 5 2 SNT1NOISSINSNVH SNT1NOISSINSNVH NOISSIASNVALU NIT NOISSINSNVHL J18vO SIYM 2 FIEVO SSYIM SIYM 2 S3HIM 2 S3HIM Z NOISSINSNVH L 9 HOLIMS HOLIMS NIV NIV CIT TIT 4 N 1 4 1 6 pad 6 5 4S HAMOd sas 8504 9505 Neowin 11 127 n YO Ny N N NOILONNAl LINN v LINN LINN a LINN v LINN HOOdLNO SNM NOISSIASNVL 3NI1NOISSIASNVHL 3NI1NOISSIASNVHL SNM NOISSINSNY HL J18vO S3HIM Z JI8vO S3HIM Z JI8vO S3HIM Z J18vO S3HIM Z HOLIM HOOGLNO SLINN HOOALNO 5 H3MOd 5 H3MOd syun y seues ul 9 s 92Jnos ueuM HUN JOOPINO peijddns si eounos eui ueuM sued pue eseud eseud 5 e si 1 eui 9 IuM pue uo
16. i _ Hl EE WHrrdoogpul 330 9 NO yams NO Yams 71 Refrigerant Flow for Each Operation Mode SiBE31 801 SJossaeJduJoo seu dp LOS LH pue siossaJduioo Seu 401 95 LH 49105 14 JO 9 swous e oqe 1 ensse1d Josues 91 55914 x x eqn Medes 101018095 pinbi ensseud uBiH pue seo 2 eunsseud uiu i Y29490 7 HENIS Josues ii x inss iq 194 8 49 I4 b 1 1l d Q uoisuedxe X Gl epe 9925 UNMS Has UNMS 45 0100905 eqni a mssnu H ufi 2 edid pinbr E uod 4 1l d lt aomas 9 194 8 79945 2 6 adf ainssaud YOO
17. 134 tA m T 144 1 5 Check in Normal Operation 146 Outdoor Unit PGB gunu aa in de 147 OEN m TT 148 3 1 Field Setting from Remote Controller 148 3 2 Field Setting from Outdoor Unit 166 128 Test Operation SIiBE31 801 C 1 Test Operation 1 1 Installation Process Below Figure shows the installation process Install in the order of the steps shown Selection of Location Inspecting and Handling the Unit Placing the Unit Hm Field Wiring Refrigerant Piping Air Tight Test and Vacuum Drying Pipe Insulation Checking of Device and Installation Conditions MIHI Additional Refrigerant Charge and Check Operation A Operations which require the power to be turned on 2 129 Test Operation SiBE31 801 C Test Operation 1 2 Procedure and Outline Follow the following procedure to conduct the initial test operation after installation 1 2 1 Check Work Prior to Turn Power Supply Check the below items Power wiring Control transmission wiring between units e Earth wire Check on refrigerant piping insulation materials drying Check air tight test and vacuum Test Operation
18. O J O fo o LNOu2 V8elX 2 VLIZ nia ZO LO 14 24 18 V8cX I V9X Gd GA LINQ LIND LINO gt LINN QNI SVVX Wey N LX OL OL OL VLI9X WIX 822 VLXG YOIX 9 VOEX 1 VOX NIX P I dlV dev VX 1 pA o ol T 31 ol ol z MZ 5 V LOPX amp p LH 198 198 149 1068 HLA TP 7 XOS OdWO2 13 dOLA 168 139 Seay 98 258A ASIAN Sum VoOrX T i TI3HS JHM 0 31 INSNOdINOO 80480102 5 5 9 6 8 2 29 gt IN3N0dN00 80103480051 VIX WelX VHX vax vex vex m m 8408 10840 ORIN 0109 OLOSNNOOSI eS ay SHB 195 SB SS 5 31 NLX 9 7 VOIX 1222 bese A Hats e fc SPA SEA 5 gt UJ mio ssa 758558 298198 DHI3 a vex 9 dev oj jo jo jo jo Vox lt m h amp m SLI HIS V LX E 9 XOSOdWO213 d H dSH deH dlH IV6X I V8X WZX d dev 07 n 6 NZ Aa NS 5 i OH dO 100A T1 _ SL SISS SS hna
19. Pd uod 020518 UOIsSUuedxo 91u09 Je JOMI _ 4914 WN ________ jee 1 330 1e1s0uu9u L NO sowy L NO IrCUuI Refrigerant C 69 sioss iduuo2 9914 seu dt LOS 1H pue siossaidwoo om sey doLOS 1H d9LOS LH 10 eui swous gt E NOTE Heating Operation Normal SiBE31 801 9 P Ane JOosues aJnssaJd 19113 c 5 e ldNcS 1 LLI gt eq 9 9000 TISSU x LL Q uoisuedxo 55 9100 099 X sien l Hdes 5 L Hdz5 5 L 0100905 eqni olnssodybiy eunsseid ufi soyeseB Areyides 4 E 5 i 8 uod or souls Fags Joules 3 rens ETE anen 904 aunssaud YOR
20. high Refrigerant Refrigerant Nam R 410A Sound Level t per T RC Sound 54 0 power nominal Sound igh um 39 mw __ 90 80 1 TN a Dam wm 39 1 Dn Dame oe 8 e Decoration BYBC63GJW1 BYBC125GJW1 BYBC125GJW1 m White 10790 p RENE NENNEN NE s 9 9 _ 21 Specifications SiBE31 801_C Specifications Safety devices PCB fuse PBB Standard Accessories 8 J s Nominal cooling capacities are based on indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 8m level difference Nominal heating capacities are based on indoor temperature 20 CDB outdoor temperature 7 CDB 6 CWB equivalent refrigerant piping 8m level difference Om Capacities are net including a deduction for cooling an addition for heating for indoor fan motor heat Specifications 22 Specifications SIiBE31 801 C Supply esr fuse amps ES 16 00 16 00 16 00 16 00 16 00 Fulloadamps FLA A 90 299 99 _ Vae Minimum v 10 range Maximum v 10 Power Supply Intake Both indoor and outdoor unit Notes Voltage range units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed range limits For more details concerning
21. HOOGLNO LINN GNI1NOISSIASNVHI 3NI1NOISSIASNVHL 3T8VO S3HIM Z 318vO S3ulM Z SLINN HOLIMS SLINN HOOGLNO HOLIMS NIV NIV 1111 47 AlddNS H3MOd 5 H3MOd spun y senes ul si 21 JOMOd uSuM 1oop no oj peijddns si ueuM sued pue 1 4eaJq eseud eui uonoejoud eseud p si A 91 e s jonpoud eui 9 IuM pue uo 5906 JO 1noxoe q esoo eseud Jo lI iqissod y sisixe 919 1 11 SHUN senes pejoeuuoo si eui U uA z LIN 4 eq 15 jo 01 81219 10 2 SeoJnos 1eMod 2 y Jo pesueoi Aq eq sjueuoduuoo pue S 51515002 5 5 10 esneoeq ue seojnos 1dnujejur UD ey YOUMS esu 6 10 Jexeouq p jueuudinbo BSN pue uoiiws eui jjejsur o eans eg 8 ees 5 10 sv
22. 258 4 23 Outdoor Unit Abnormal Outdoor Fan Motor Signal 259 4 24 Outdoor Unit Malfunction of Thermistor R1T for OUO 261 194 195 SiBE31 801 4 25 Outdoor Unit Current Sensor Malfunction 262 4 26 12 Outdoor Unit Malfunction of Discharge Pipe Thermistor ROTT D56521 TM 263 4 27 Outdoor Unit Malfunction of Temperature Sensor for Heat Exchanger Gas H2T orae 264 4 28 i Outdoor Unit Malfunction of Thermistor R8T for OSUCHOD TP IDE teat ici Pasta 265 4 29 Outdoor Unit Malfunction of Thermistor RAT for Outdoor Unit Heat Excharget er esi eee exert tud 266 4 30 4 Outdoor Unit Malfunction of Liquid Pipe Thermistor 1 CPG MOR TAG T 2 tithe sm 267 4 31 se Outdoor Unit Malfunction of Liquid Pipe Thermistor 2 R7T 268 4 32 5 Outdoor Unit Malfunction of Subcooling Heat Exchanger Gas Pipe Thermistor R5T 269 4 33 Outdoor Unit Malfunction of High Pressure Sensor 270 4 34 sf Outdoor Unit Malfunction of Low Pressure Sensor 272 4 35 L Outdoor Unit Defective Inverter 274 4 36 Outdoor Unit Malfunction of Inverter Radiation Fin Temperatur
23. MOV I8 30118 39NVHO MOT 13A MIA 3LIHM LHM MNId MNd SMOTIOJ SV MOHS S 1OSINAS 79 HOLIMS 1 31003X3 ANY V8X HOLO3NNOO LHOHS SHL 3AOW3U JHL DNITIVLSNI 3SVO S 3H L Q3HOV LLV TWANVIN NOILVTIVLSNI JHL OL H3H3H STIVLEG NI H3TIOHINOO SLOWSY 03199135 38 NOILVH3dO 440 NO 440 3dis 100 S3HIM LAdNI DSNILOANNOO N3HM F AHOSS32OV IWNOILdO H3TIOHINOO SLOWSY Q3HIM TlIOHLNOO ALOWSY Q3ZIIVHL N3O JLA IWANVIN NOILONYLSNI GAHOVLLV AHL 39NVQHOOOV NI LINN SHL OL LI LOANNOO H3TIOHINOO SLOWSY Q3ZITVHLIN3O ONISN 3SVO NI S3OIGN3ddV 1 HOL23NNOO Marise HOLdVQV HOLO3NNOO V81X 22 2 0 58 HOLIMS 17074 ____ SlHVd HOLO3NNOO WOOT WNINHSL HOLIMS HO1O313S 155 HOLSINHSHL X 1 H3TIOHINOO 31O0W3H Q3HIM d Nd NIVHG HOLOW 2 5 JAYA NOISNVdX4 OINOHLOATS 1OHLINOO 49O18 IWNINHAL 32018 WNINYAL WEX Wex u3MOd 9018 WWNINHAL cv cv NH8 980 18 2 022 ddWNHOdSNVHI Wey 34nSS3Hd
24. NOISNVdX3 DINOHLOS1S dtv HOLSINHIHL LiH 9 _ HOSN3S 8908 nouo GalNidd __ 9 aa isi 87 SATVA NOISNVdX3 DINOHLOS1S uiv HOLSINYSHL iH OLNOVN LINOHIO _ div CIOHLNOO dIHLS Wix S6H dev Av 3H OLL3NOVIN AND LINOHIO S A LX zm AJddNS 15 TVNIWH31 HOSN3S HOISIS3H 06 83114 3SION 08 08 10040 G m m 13 B auJuoio3NNOO vex HOLS ISS 6SH osu OLN HOLOVINOD _ 1 ans auvoa LINOHIO S 565 Ky smaowuH3NOd HOSNSS HOLSISSY 0 OZN HOLOVINOO OLLENOWN We NIV div am IX Ex vex j dw Ci Joey Wx I FIV V IX 3 Ld ioopu org nid S 31ON 2 11 4 oopino 1 VSX 698 098 ZO LO soopyno x LN i JILA IZA D y 4 av SED 16 auf HM dov 1 Hai dr ig SLE fi x T THM kd o J o 6 06 666
25. RENE R32T HIGH PRESSURE SENSOR ECL THERMISTOR SUBCOOLING HEAT EXCH GAS Sr NS q S1NPH THERMISTOR AIR 1 SOLENOID VALVE SVT Y8S COMPRESSOR INV M1C COMPRESSOR STD1 M2C CRANKCASE HEATER 2 CRANKCASE HEATER Refrigerant Circuit SiBE31 801 C Functional Parts Layout 2 3 RTSQ14P 16 Plan THERMISTOR SOLENOID VALVE SUCTION HOT GAS R8T REFRIGERANT REGULATOR JR HIGH PRESSURE SWITCH S1PH HIGH PRESSURE SOLENOID VALVE SVL Y4 deu 45 SWITCH PTT COIL FOR EXPANSION VALVE S2PH E Cen a SN SUBCOOLING HIGH PRESSURE 5 RIA SWITCH erue HET N S3PH ELECTRONIC EXPANSION lt SOLENOID VALVE SVE VALVE CHARGE SHOE Y6S THERMISTOR Y2E S2NPL STD1 DISCHARGE PIPE E THERMISTOR R33T 5 LIQUID INSULATION TUBE R9T THERMISTOR M2C DISCHARGE PIPE R32T THERMISTOR M1C DISCHARGE PIPE NF THERMIS
26. 302 4 50 u Outdoor Unit Transmission Failure Across Outdoor Units 303 4 51 Indoor Unit Malfunction of Transmission between Main and Sub Remote Controllers 310 4 52 u Indoor Unit Malfunction of Transmission between Indoor and Outdoor Units the Same 311 4 53 u Improper Combination of Indoor and Outdoor Units Indoor Units and Remote Controller 312 4 54 ul Address Duplication of Centralized Controller 316 4 55 uz Malfunction of Transmission between Centralized Controller and Indoor 317 4 56 Ue System is not Set yet 320 4 57 Malfunction of System Refrigerant System Address Undefined 321 5 Troubleshooting OP Centralized Remote Controller 323 uS Lau ue ABT RERUM 323 Troubleshooting SiBE31 801 Troubleshooting 5 2 Malfunction of Transmission between Optional Controllers for Centralized Control 324 5 3 Mn Improper Combination of Optional Controllers for Centralized D eedem Te be s 325 5 4 Mt Add
27. ama MIA 3LIHM LHM ANd SV MOHS STOSNWAS 4 HOLIMS 1VO14 31003X3 V8X JO HOLO3NNOO LHOHS 3AON3H ONITIVLSNI 3SVO NI 9 LINN Q3HOv LLV NOLLV TIV LSNI JHL OL 43434 STYLIA H3TIOHLINOO SLOWSY 03103735 NYO NOIL VH3dO 440 NO HO 440 AGISLNO S3HIM LAN IHL DNILOANNOO N3HM 8 GSN SNI38 SI H3TIOH LNOO 31ONW3t SS3T3HIM IHL N3HM Q31O3NNOO SI VEZX r IVONVIA NOLLONYLSNI Q3HOV LLV NI LINN OL LI LOANNOO H3TIOHLNOO SLOWSY 2 ONISN 3SVO ONIHIM 91915 2 HOLO3NNOO LInOHIO 1HOHS HOLO3NNOO 90 18 TVNINWH31 SALON N33H9 H3NIL SNILLLIIN3 LHOM LHOT1 440 NO NOLLNG 158 LINOYIO LINOYIO dev H3TIOH LNOO 310NN3H SS3T13HIM OL d3HOYLLY LINN AVTIaSIQ H3AI303H 8nS NIVW HOLIMS HO19313S 156 uiv HOLSINYSHL H3TIOHINOO SLOWSY Q3HIM HOLOINN SiHVd VNOldO ___ LINOYIO TOHLNOO 3SVHd Sd 3A1VA NOISNVdX3 2INOHIO3 13 3lA 1OHLNOO 42018 1VNIINH31 42018 WIX
28. i 9 plougjos 4 YOUN 1 1l d edid pinbry 1934 xoou5 4 OA BA uoisuedxe ainsseld YOOUD edid pinbr 4898 5 uod 525 1934 uod 31 49S 4020519 72 0 0 1 1l d 91 19114 uoilsuedx 1834 19114 JO 340 ef l FD e H 222 JeBueuoxe jeoH ____ AdO 101500 NO 181souuou 440 UoiiMs uonejedo NO 5 uone1edo NO U9iiMs uoneJedo eanssejd e4nssejd ejeipeuuelju seb einsseJd ejeipeuuoelju uBiH seb ejnsseJd 400pu 1s04jeq uunieiJ IO Z I CUI Refrigerant C 79 SiBE31 801 C Function Part 4 Function EET E 82 Teli Operation M06622 uyu 82 172 CO VEDO tu 83 5 ROOD DING I m T 84 2 1 When System is in Stop Mode 84 2 2 Sto
29. 134 1 4 Check Operation 144 1 5 Check Normal Operation 146 2 Outdoor Unit POB LESVOUl uuu u tu ami eie npa Etras 147 De Field SEUNG 148 3 1 Field Setting from Remote Controller 148 3 2 Field Setting from Outdoor eee 166 Table of Contents li SiBE31 801 Part 6 Troubleshooting 194 1 Oheck Items SCIVICE PUE SM 197 Jol Forroubleshoolingzuss PT rd 197 12 PRECAUTIONS TOR SG VICO cuins uuu a Bee d etos ee EU 197 2 Symptom based Troubleshooting 199 Troubleshooting by Remote Controller 202 3 1 The INSPECTION TEST 202 3 2 Self diagnosis by Wired Remote Controller 203 3 3 Self diagnosis by Wireless Remote Controller 204 3 4 Remote Controller Service Mode 207 jolies ONIS NER DET DT 210 20 MOST PUM AVI OCC es Z M
30. Is the wiring performed as specified Is the designated wire used Is the wiring screw of wiring not loose Is the grounding work completed Is the insulation of the main power supply circuit deteriorated Use a 500V megger tester to measure the insulation 1 Do not use a megger tester for other circuits than 200V or 240V circuit Measure to be taken against decreased insulation resistance in the compressor If the compressor is left to stand for an extended period of time after the refrigerant charge with the stop valve open and the power supply OFF the b U ryer refrigerant may be mixed in the lt 1000W compressor thus decreasing the insulation resistance Heat the compressor as shown on the right and then recheck the insulation Terminal Heat the left side of the terminal for a period of approximately 15 minutes Is the pipe size proper Are the design pressures for the liquid pipe suction pipe dual pressure gas pipe and pressure equalizer pipe in case of multi units all not less than 4 0 MPa Is the pipe insulation material installed securely Liquid suction and high amp low pressure gas pipe need to be insulated Otherwise causes water leak Have the air tight test and the vacuum drying been conducted according to the procedure in the Installation Manual 130 Test Operation SIiBE31 801 C E 2 Check on amount of refrigerant Isa q
31. Normal Level High 09000 0 High 2 ort jo IU High Level H Oeeeoeo High 4 oeeeooe O OOO 090000 Normal factory setting oOe00000 0900 00 Slow defrost Normal factory setting oOe00000 Quick defrost dGeeeee 000909000 o ue low noise demand External low noise demand 00000 0 Address 0 0000000 Binary number 1 Oe00000 6 digits Te setting Tc setting Defrost changeover setting Sequential operation setting External low noise demand setting AIRNET address 6 DUDAS 3 0000000 ag static pressure setting High static pressure setting OR 0900000 STD 1 2 operation Inhibited oOeeo000 of hot water heater High static pressure setting Emergency operation STD compressor is inhibited to operate STD 2 operation Inhibited 7000009 Refrigerant charging OFF oOe00000 Refrigerant charging ON O90000 Refrigerant recovery vacuuming OFF Refrigerant recovery vacuuming ON Test Operation 174 Additional refrigerant charging operation setting Refrigerant recovery vacuuming mode setting Field Setting SiBE31 801 Setting item display No T MODE TEST C H selection Low Demand Setting condition display etting item 1 2 I
32. N NEUTRAL M RE CONNECTOR WRECLAMP mL fico v PROTECTIVE EARTH SCREW Iles i Cc LLI cy EEE FIELD WIRING Dc ce ibis OPERATION E aia x s le lt H lt Do 22205 lel I 55 55 8 Eos ED E EPIS SWITOH BOX 12 X11A AP X2M PNK T2 NOTE 3 INPUT WHT H FROM OUTSIDE SWITCH BOX COVER P 12 CENTRALIZED REMOTE Fi CONTROLLER NOTE 1 H A BLU P2 E BLK P1 Je WIRED cir 12 iF I 20 25 CLASS o WW SE _ i 22 28 CLASS ADAPTOR FOR WIRING TERMINAL STRIP TIR TRANSFORMER 220 240 V 22N CONNECTOR WIRING ADAPTOR LIGHT EMITTING DIODE X2A eee SERVICE MONITOR GREEN vie ELECTRONIC EXPANSION YANE R2T R3T COLORS BLK BLACK BLU BLUE BRN BROWN ORG ORANGE PNK PINK WHT WHITE YLW YELLOW RED RED NOTES 1 USE COPPER CONDUCTORS ONLY 2 WHEN USING THE CENTRALIZED REMOTE CONTROLLER SEE MANUAL FOR CONNECTION TO THE UNIT 3 WHEN INSTALLING THE ELECTRIC HEATER CHANGE THE WIRING FOR THE HEATER CIRCUIT THE MAIN POWER SUPPLY HAS TO BE SUPPLIED INDEPENDENTLY 4 WHEN CONNECTING THE INPUT WIRES FROM OUTSIDE FORCED OFF OR ON OFF OPERATION CAN BE SELECTED BY THE REMOTE CONTROLLER SEE IN
33. Night time Rated operation sound Operation sound L of level 1 Operation Sound of level 2 Operation sound of level 3 Operation sound level set with Night time low noise setting queer wee eem strives pend Operation sound level set with External low noise setting Field Setting Operation sound during low noise mode is instructed can be set with External low noise level setting n setting is Mode P Time set with Night time low noise start setting conditioning when load is heavier Time set with Night time low noise end setting Operation sound during night time low noise mode is instructed can be set with Night time low noise level setting Factory setting is 8 00 PM 10 00 0 00 AM 6 00 AM 7 00 AM 8 00 Ne ce Set with Night time low noise start setting Set with Night time low noise end setting Factory setting is PM 10 00 Factory setting is AM 8 00 Image of operation in the case of A and B If capacity precedence is set in Capacity precedence setting the fan speed will be Operation sound increased according to the load of air Time set with Night time low noise start setting conditioning when load is heavier Time set with Night time low noise end setting Rated operation 1 Operation
34. JojejeDujeg Cons E 1944 lt 19905 YAMS IHdlS UNMS Mede d nss d yH amp nss d uBiH Zu i s z 1 l d 90 Y H ll d iB iB edi ensseud einjosqe jo 21 ainssoig mas 49949 YY amp d one IZ JO ipo 1 1 d eqn Josuas S Lila d nss d ON uolsuedx 94 9IU0J 29 3 ASE pioueloS nic 194 1933 S s j B5uloooqns uoisuedxa dcLOS LH jew E P 0 7 i 199uO 12 edidpinbr JO 4 YOOUD 525 qn Medeo 1 Aueyideg 7 ojeJedes 1 1l d 9975 eunsseJd pue seg eunsseJd uiu Josues einsseig L T9NE8A i H D piouejog Q 1 euo FH uoisuedxe i uod 1 1l d uod 4020519 uolsuedx Oluono l3 JeBueuoxe 2 1934 440 youms uoneJedo pinb
35. 0 OZN HO LOY LNOO Wey 08 08 Vex e 3 GD gg 9 gt MOV vex vex c F 1 ZA 1 4 ord 9 WSX dev dev S 31ON Z4 L4 400pyno Y wsx VIX 4oopino 7 SAG AEA E eee 90 990 G G t d 9 1 qaq s64 Fai div un fe oe ON uu n PN m VLL f 092 na RETE DD 0 0 WBIX YLEX 1 x nig 010 i wo Gol yet INN 9 ley ney L Wix OL OL OL WOX HW VI9X r Sr WLXES VOLXIS 9 9 dzy dV VOEX 0 V62X 0 yey vix Vex EE 14 cV INLX LHM Way amv azy vex x YX gt ddl ld 24 lad dd 44 38 a do gs d 525 F il 7 XOg OdWoo13 RUM M RE Lo s lej 188 SZA SSA 984 89 axo 51 vex 1 Noor JUIN VST LNSNOdNOD 80100 NOLLVNINIBOSIC SI lo B3 BS 3 moz TARS SANG INANOdINO9 80380102 HOLOSNNOD SI X 89 ij 45 WSLX 9 VolX YHX vex I D L IO CHIN OJUCTOO OLOSNNCOSI el vitx B S8 8 15 85 13 312
36. 10809520 MOSHO ANIVA NOISNVdX3 13 66 x x x x x x x x x x x x x x NOLLO3NNOO 3HV 1J 2 LHOd 39IAH3S 8015 354 Appendix SiBE31 801 iagrams D iping P RTSQ10PY1 S8Z090d yal f do1vdvdas MO yalla ANIVA MOAHO 3A1VA AVM U31113 HOIH M Nv i Adv Tlldvo H39NVHOX3 H31H3ANI HAL YOSNAS 39099399 805538810 3901 dat i3 3JNT1VA 8 AdAL 31n1OS8V ANWA ONILVINDOSY 3HflSS3Hd AN IVA MOAHO HOSN3S e 3d SS3dd NOISNVdX3 H3SNVHOX3 OINOH IO3 13 1V3H DW AMA 3ATVA 083105 95 JAIVA 7 NOISNVdX3 13 AdAL 3ATVA SATIVA uan D lt JAVA JAV U QT sep NOISNVdX3 HOLIMS HOLIMS OINOHLIO3 13 39055399 3055309 3ATVA B BOLVITSSE uan INVH3OIHHJ3H GION310S AuvTilavo HOLIVHVd3S 1HOd 83174 3OIAH3S X lt NOLLO3NNOO 2 LHOd 39IAH3S HLIM SATIVA dOLS SV9 7 Appendix 355 iagrams
37. 50 43 Referring to the information on P 341 Cancel the sleeping state of refrigerant Replace the inverter compressor Replace the inverter compressor Replace the compressor inverter PCB Recheck the compressor refrigerant circuit 284 Troubleshooting by Indication on the Remote Controller 51 1 801 C 4 40 i Outdoor Unit Malfunction of Transmission between Inverter and Control PCB Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes 285 T RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit Check the communication state between inverter PCB and control PCB by micro computer When the correct communication is not conducted in certain period Malfunction of connection between the inverter PCB and outdoor main PCB Defect of outdoor main PCB transmission section Defect of inverter PCB Defect of noise filter Faulty fan inverter Incorrect type of inverter PCB Faulty inverter compressor Faulty fan motor External factor noise etc Troubleshooting SiBE31 801 Troubleshooting by Indication on the Remote Controller Troubleshooting Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Does the model setting of the spare PCB match the system as the PCB A1P NO repla
38. 553810 00036010 1 BETSIE L ANWA 69 NOISNVdX3 HOLIMS HOLIMS JAWA oINOHLO3T3 2 aunsssud 34155544 ES qioNa1os X C gov nou 61 sy X G uaria Hades GION310S T HOLIMS EL AUVTIIdVO 5 Junss3Hd H9IH 81 1 Yal 3OIAH3S SVS 9 JAYA 01 YANIVELS 39155399 3ifriosav SATIVA x HOlIVHVd3S 02 HOSN3S 1 3dAL IMYA 3unssaud MO3HO SATVA jani F ONILVIND3AY JATA AVM 11 3unssaud 12 9 AuvTilavo 91 H35NVHOX3 E H31H3ANI v 1v3H gi dJNIVuIS ve x Ss x 3dld 3A1VA NOISNVdX3 26 3 3 8 1V3H 1 EERE 5 ez 6z JMYA NOISNVdX3 OINOH1O3T3 9 2 LHOd 6 HLIM SATIVA 4015 Refrigerant Circuit 59 SiBE31 801 C Refrigerant Circuit 1 4 BS Unit Functional Parts BSV4Q100PV1 6Q100PV1 No Name Symbol Electronic expansion valve EV
39. 92 3AlLOdlOHd Svo LOH JAVA 5 SIA dev d 5 H3MOd 9NIHOLIMS 64 GONVHO HOLINOW dW 10719 d8 d LH o dlH1S TVNIAH31 HOLO3NNOO 66 ONIHIM COW 3ATVA NOISNVdX3 OINOHLO313 HOLONW 9 1 3504 noord HOOGLNO JHL OL SI AVHOVIG SIHLL L COW 39NVH2 3ATVA NOISNVdX3 OINOH1O313 _ 132A uOSS3HdAOO HOLOW L sna 014 SALON NOISNVdX32INOHLO3H SAP HOD H3lV3HXOgOdWOO CIOHLNOO dIHLS _ INLX SPA OLLINOVIN H3lV3H3SVOWNVHO 2OHl3 lt Add IS dIHLS HODM _____________ 999 92 SW NNAM Av TH 993 1931 LIS n SEA HOLIMS NOLING S 1S8 gt gt SIIA Al33VS dOlA AV IHH HZ ANI o E 5 HDIH SSA H31143SION 212 1 HOIH HOSN3S 3Hnss
40. 6 1 3 Indoor Unit Indoor unit actuator Normal cooling Normal heating Thermostat ON unit Remote controller setting Remote controller setting M1F Fan Stopping uni Thermostat OFF unit Remote controller setting Electronic Thermostat ON unit Normal opening 1 Normal opening 1 expansion Y1E Stopping unit 192 pls Thermostat OFF uni 192 1 Refer to 6 3 Electronic Expansion Valve Control on P 94 Function 90 Normal Operation SiBE31 801 C 6 2 Compressor Control 6 2 1 Compressor PI Control 91 Carries out the compressor capacity control to maintain Te at constant during cooling operation and Tc at constant during heating operation to ensure stable unit performance Cooling operation Controls compressor capacity to adjust Teto Te Low pressure equivalent saturation achieve target value TeS temperature Te set value Make this setting while in Setting TeS Target Te value mode 2 Varies depending on Te setting operating Te setting frequency etc L M Normal H On multi outdoor unit systems this control is made factory according to values of the first priority unit which is setting detected with the pressure sensor 6 7819101 Heating operation Controls compressor capacity to adjust Tc High pressure equivalent saturation achieve target value 5 temperature Te set value Make this setting while in Setting TcS Target Tc value
41. 98 0904 8 g gt N eo G 2 m D oc yal f do1vdvdas MO yalla ANIVA MOAHO 3A1VA AVM U31113 HOIH M Nv i Adv Tlldvo H39NVHOX3 H31H3ANI HAL YOSNAS 39099399 805538810 3901 dat i3 3JNT1VA 8 AdAL 31n1OS8V ANWA ONILVINDOSY 3HflSS3Hd AN IVA MOAHO HOSN3S e 3d SS3dd NOISNVdX3 H3SNVHOX3 OINOH IO3 13 1V3H DW AMA 3ATVA 083105 95 JAIVA 7 NOISNVdX3 13 AdAL 3ATVA SATIVA uan D lt JAVA JAV U QT sep NOISNVdX3 HOLIMS HOLIMS OINOHLIO3 13 39055399 3055309 3ATVA B BOLVITSSE uan INVH3OIHHJ3H GION310S AuvTilavo HOLIVHVd3S 1HOd 83174 3OIAH3S X lt NOLLO3NNOO 2 LHOd 39IAH3S HLIM SATIVA dOLS SV9 7 356 Appendix SiBE31 801 iagrams D iping P 28709006 2 ais m 3001 19 8053810 HOLIMS AYNSSSYd AuVTIldvo GION3 1OS CIONS10S HA
42. uod NBA 09 uoisuedxe 1 1l d eqni uod sols 9 M9euo o 4 105098 ainssaud JeBueuoxe 19119 _ _ sid 261 440 Yms 5 O ANI O 09000 eqni C t nbi 1934 9915 uBiH pue SED 5 eunsseud uBiu 499U2 Z Josues 91 55914 9 9 Z SAPA v gt N Ete 399u9 m jew amp 9 piou oS edid 1 1l d 99U 9 ACA plousjos Ei N ONEA YIYO uoisuedxe 91U0J199 3 edid pinbiq 1934 eqn Mede K uod 9 gt UOIsUedxo sec i EE uod SIAJ9S piou oS 51 uolsuedx ewm 4 lld sid 261 X x T1ueJ NO
43. use 6 250V Thermistor NTC current limiting X38A Connector for wiring Light eming diode service monitor green SIL Flatswth KPR Magnetic relay Diode bridge p Motor fan Terminal strip power supply Thermistor air Motor drain pump Terminal strip control Selector switch main sub Field wiring L Live Colors RED Red Brown m Connector N Neutral BLK Black GRY Gray e Wire clamp WHT White BLU Blue Protective earth screw YLW Yellow PNK Pink ORG Orange GRN Green NOTES 1 Use copper conductors only 2 When using the centralized remote control see manual for connection to the unit 3 When connecting the input wires from outside forced off or on off operation can be selected by the remote control See installation manual for more details 2TW31186 1C Appendix 380 SiBE31 801 Diagrams for Reference iring FXMQ20P 25 32P 40P 63P 80P 100P 125P 140PVE 901 001 08 9 OSOWXS HOOQNI XO8 Od WO2 3 8 lt o00 24 walg z AHOSS399V TYNOLLdO 1 2 310N 831081502 FLOWSY 37 3 NOISSINSNVH1 310N 3dIS100 LNdNI c N 921 001 0
44. 31O0N JAISLNO 1 Ll HOLIMS 1 zB I 170 915 ONIMS HOLON SHN ex V8LX VEX HOLOW 99 HOLOW VeX V6X YHX a WELX AVT3H OLLJNDVW WOLX Noo t t B 9 gg SIN AVTSY 215 HOFHIM DIN N33H9 HOLINON 32IAH3S LX 3GOId SNLLLIIN3 LHOM vs g asnd ZHOS aM 2 VvNINH3L nig div 5 LINN HOOQNI div 115 141 gt 128 t VOLX V8LX Ol LOATA Appendix 377 SiBE31 801_C Wiring Diagrams for Reference FXDQ20PB 25PB 32PB 40NB 50NB 63NBVE R1T R2T R3T Wa ae ooooo00l m SIS Ner X16A POWER SUPPLY 220 240V Note 3 Input from outside Note 1 Transmission wiring centralized remote control Wired remote control 609 X18A X16A Q1M 1 Control box Printed circuit board Thermistor air Z1C Z2C Noise
45. 104 81 Special COMUMO usu uwwsgusyssasapakayaypaspumapatapsuawanakauntasuayauaqasyapuaqaqaaussa 105 8 1 Pump down Residual Operatlion 105 8 2 Oll Betutm ODGratlOls uuu tetti 107 8 3 Defrost e aoo edet ited 111 8 4 Emergency Operation 113 9 Quiline or Control Indoor feo tero 114 Operation um u frei unis 114 9 2 Dhermostab iesus uu ua 116 9 9 Dram PUMP Conirostrum 121 9 4 Freeze Prevention a 124 9 5 Heater Control Optional PCB KRP1B is required 125 9 6 List of Swing Flap Operations 126 9 7 Control of Electronic Expansion Valve 127 Part 5 Test Operation LO 1 MEST ODGFallODus As onu br aite eoe dio eu Qaqa 129 nstallati Process Si 129 1 2 Procedure arnd OUTING rucne 130 1 3 Additional Refrigerant Charge Procedure
46. JeBueuoxe 1eoH AAO 1e1souueu L T 6ullooo 91U0J 29 3 2 1 1l d NO NO yun Joopu 74 I CUI Refrigerant SiBE31 801 C Refrigerant Flow for Each Operation Mode Cooling Oil Return Operation ainsseid Josues aJnsSaJd IdNOS eqni eqni 2 n Xe X e 0000 piougjos 1 souls feu piougjoS lt do 16415 UMMS E eunsseid 4 19113 iB ed einsseud eynjosqe 10 ap L YOOUD 7 155944 DM 2 9IU0J 29 3 eqm Medes 1 1l d Jn0 4 eid eqni 108095 91 55914 9155810 u H adj YI o dNIS 1 afuera FH uolsuedx 2 piouejos ay 91114 204
47. LINN M HOOQNI V LINN 2414 HOOQNI LINN S8 JHL OL S3r1ddv 9NIHIM SIHL SALON Lex eX div IX NSX WoX dey x dV WX X08 04402 TS XA XA JM ZH0G d3MOd diV TWOLLNSGI H3HI0 TV dOL LINN SE DE D Appendix 389 Diagrams for Reference SiBE31 801 C iring BSV6Q100PV1 862669006 3809 3833 431714 3SION 217 NOLLONS JATVA NOISNYdX3 2INOHL23H 394vH9SIQ SATA NOISNYdX3 2INOHL03B JVA 99 91 ATddNS H3MOd SNIHOLIMS N3389 HOLINOW 3913935 diNv19NIHSV 13 dVH 46151 3515 NOLLONS 805 3NVA NOSNVdX3 2INOHLO3 HOLIMS did 250 150 JOUVHOSIC SNS 3NVA NOISNYdX3 9 19313 IZA 4 LINQ HOOGNI GALNIHd 4 LINN div 1009 809 3NVA NOISNVdX3 2INOELO3T3 G LIND HOOGNI 3 LINN dL V dlt LS TVNINH31 WeX INcX LINA HOOGNI GHVOS LINOHIO d LINN di V u3MOd dlH1S TVNINH31 O I1NQH8000NDGHVO81I OHO3INHd 9 LINN div 80123155 H O 41915 WNINHAL d9v div Wex 8 LIND 000
48. 022 HSWHOSSNVHL DNIMS HOLIMS LIA OLS SVD 1109 HOLSINYSHL LEH VESX 1100 HOLSINYSHL 129 SHOIGNAddY 1 21 12313 HOS HOLSINYSHL HOLdVQV ONIHIW HOLO3NNOO V8IX q3qq38W3 HOLIMS OWH3HI INEO HOLIMS 17074 HOLO3NNOO V8X DNIMS HOLOW SHNI SlHVd HOLO3NNOO HOLOW LIN 145 SS3uaav SS313HIA P 1 OLL3NSVIN Hd HOLIMS 199195 2556 SILW AV13H OILIN YN HVM p INZ vex SluVd Old19313 X uit d V ji V8LX AHOSS322V IWNOILdO HM H3TIOHINOO SLOWSY GSHIM JHN 155 dau 1 VZX VECX 00000 YATIOWLNOOS 3 LOW3H mi Q3ZIIVH LN39 SNIHIM NOISSIINSNVH L L4 3LON ACISLNO 1 LAdNI S J LON H3TIOHLNOO 310W3H 66 37139 HOLO3NNOO V8LX dVH amp B V8X viIX velXVelx 00 ILI 9 31ON ES EXE led Lid drH eV LX 868 5 3 ZHOS 5 iss N33H5 HOLINOW HOLIMS HO1O313S 155 3GOId ONLLLIW3 1 dev dev
49. 191114 uod 4 biu S e adj 91u0J129 3 pioueloS k 19 14 5 CT BHuljoooqns uoisuedxa 911012913 d80S1H inss id 1osues eJnssaeJgd i eqni as an m AN X6 pu Win Lb yod Joy souls fein lt dei piousjos QO puolsuedx paud 19113 Jo e195uj u X aes 2 Ea 19113 o YMS Hdis YAMS Medeo d ainsseidy6iy einsseid Ho 3 5 1 1l d 4 21 Joules 2 T lie 1 1 d P noy SZ Ez Jew EE 19 edh eunsseid anjosqe jo aL yooyo z 1 Xip X C UAL C adj P SZ 54 Y90949 JO j X eqm Medeo 105195 ensseig ON uolsSuedx outs juo piouejos PPO 7 Bumoooqns uo suedxa ouo d LOS Ld eqni d 191 pes um 415 eunsseud ufi E einsseJd uBiu pue seg 424 HdNIS 105 5
50. 1H I1 Q3H N9IS H311l4 SNLLLIIN3 LHOT1 N33H9 H3NILL SNLLLIIN3 LHOLrT1 Q3H NO SNILLIN3 LHOM H3TIOH LNOO SLOWAY SS3 13HIM OL Q3HOVLIV LINN AV TdSIQ H3AI3O3H 3ATVA NOISNVdX3 9INOH LO3 13 u3MOd 49018 NZX TOH LNOO 420718 TVNINH31 3dld SVD 1109 HOLSIINH3HL LEY 3dld AINON 1109 HOLSIINH3HI 12H HIV HOLSIINH3H L LEY 91 5 HOLOW HOOQNI HOLOW N33H9 HOLINOW 39IAH3S SNI LLIA3 1 HVSL 1 3504 Q31NIHd LINN HOOQNI 384 SiBE31 801 Wiring Diagrams for Reference FXLQ20MA 25MA 32MA 40MA 50MA 63MAVE FXNQ20MA 25MA 32MA 40MA 50MA 63MAVE 39c86 00 SHOLONGNOD H3ddOO ISN 9 MOV18 anid 39NVHO MOTT3A MIA 3LIHM LHM MNId SMOTIOJ SV MOHS S1O8INAS S SHL NOLLYTIVLSNI JHL OL STIVL3G NI H3TIOHINOO SLOWSY 02109135 NYO NOIIVH3dO J4JO NO 440 3qIS1 nO WOHJ S3HIM 1 dNI 3H1 9NILO3NNOO N3HM OLLOQHLISNI Q3HOVLIV HLIM NI LINN SHL OL LI LO3NNOO H3TIOHLNOO SLOWSY Q3ZITVHIN3O SNIS 3SV2 NI ONIHIA z TVNIINH3LL o HOLO3NNOO 69 0018 TVNIWH3L CTTTI L
51. V require some time N W 2 15 Due to condenser charge and G ma ms 9 1 2V and over so on resistance measurement may require some time PCB and Circuit Diagram s H or HHH He a Gn Fus C59 aO 2 5824 Wy 701 09 PbF J1 J2 J3 X10A k2 341 Troubleshooting SiBE31 801 C Troubleshooting Heat Reclaim Ventilation 11507 4 Check for causes of rise in high pressure Referring to the Fault Tree Analysis shown below probe the faulty points Stop valve closed lt Check to be sure the stop valve is open Local Hahn pressure Bent or crashed pipe lt Conduct visual checks for pipe conditions rise resistance logging of foreign lt Is there any temperature difference caused particles before and after the filter or branch pipe In cooling If the outdoor unit electronic Faulty outdoor Faulty valve coil lt Are the coil resistance and insulation normal expansion valve is throttled unit See 71 Faulty valve bod temperature difference in excess of 10 C between the d Rise in high let and the outlet is deemed to be abnormal D pressure Fault Faulty high pressure sensor Are the electrical characteristics normal control Faulty control PCB lt Is the pressure value checked with the Service Checker Faulty high corresponding t
52. case of single outdoor unit system Outdoor unit Function unit Outdoor unit capacity type Piping between outdoor unit and EE refrigerant branch kit part A RTSP8 type 2222 RTSP12 type 2286 case of multi outdoor unit system Outdoor unit 8 LIT 77 unit Piping between outdoor unit 2 and refrigerant branch kit part A Piping between outdoor unit and outdoor unit multi connection piping kit part B Temper grade and wall thickness for pipes Equalizer pipe part C Temper T O type 405 Example REFNET joint B Example REFNET header Indoor units 1 2 8 4 5 6 SiBE31 801 How to select the REFNET header e Choose from the following table in accordance with the total capacity index of all the indoor units connected below the REFNET header 250 type indoor unit can not be connected below the REFNET header Indoor unit total capacity index Refrigerant branch kit name KHRP26M22H or KHRP26A33H 200 lt x lt 290 KHRP26M33H 290 lt x lt 640 KHRP26M72H KHRP26M73H KHRP26M73HP How to select the outdoor unit multi connection piping kit This is required when the system is multi outdoor unit system e Choose from the following table in accordance with the number of outdoor units Number of outdoor unit Connecting piping kit name BHFPSOAPS6 Indoor units 7 Example REFNET header Indoor units 1 2 3 4 5 6
53. mtd pot wl lol ellei ef elle pepe c Advance button Backward button 2 Number of beeps Continuous beep Both upper and lower digits matched Malfunction code confirmed 2 short beeps Upper digit matched 1 short beep Lower digit matched Press the MODE selector button The right 0 lower digit indication of the malfunction code flashes Malfunction code lower digit diagnosis Press the UP or DOWN button and change the malfunction code lower digit until the continuous malfunction code matching buzzer 2 is generated 204 Troubleshooting by Remote Controller 51 1 801 C m The lower digit of the code changes as shown below when the UP and DOWN buttons are pressed Me S SS To rip 095005 d Pel e eiie miei ei c Advance button Backward button ON OFF 205 Troubleshooting SiBE31 801 C Troubleshooting by Remote Controller Normal status Enters inspection mode from normal status when the INSPECTION TEST button is pressed 1 Press INSPECTION TEST button If no button is pressed for 1 minute equipment returns to normal status us 3 Press When MODE selector MODE button is pressed or no selector button is pressed for 1 button minute equipment returns to normal status If no button is pressed for 1 minute equipment returns to normal status 5
54. 81 44 MO3HO HOIVIDOGH 1 EINE LNVH3O9IHJ33HICC ap HOlvuvd3 HOlVuvd3s 1HOd no Yas 5 Jdid SVO HALT dar 3 3unssaud 31mosav IANA 3unss3ud xoauo 4 YOSHO 3dAL SAIVA Z 22 HOSN3S 1 JAVA i HOIH ONILV I1938H V 3ATVA AVM YNO 4 6 YJ SL lt 55 61 H3ONVHOX3 6l H31H3ANI A 1V3H HANIVHLS gt 3dld JATVA yala NOISNVdX3 i OINOH1IO3T13 1 9 oONIOOoans 12 83114 CIONSTOS ANWA MOAHO 21 JAYA s 16 NOISNVdX3 OINOH LOx3 13 v NOLLO3NNOO 3tiV1d 2 LHOd 39IAH3S HLIM SATIVA dOLS Refrigerant Circuit 57 SiBE31 801 C Refrigerant Circuit 1 8 5 1 16PY1 refrigerant system Symbol Name Major Function diagram Inverter compressor is operated on frequencies between 52Hz and 266Hz by using the inverter f while Standard compressor is operated with commercial power supply only The number o Standard compressor 1 STD1 operating steps is as follows when Inverter compressor is operated in combination with Standard compressor Standard compressor 2 STD2 Compressor operation steps Refer to P 92 93
55. Micro Cooling Heating LED display computer changeover Default status Operation before delivery monitor Single outdoor unit 9 system Multiple gt o o e e e outdoor unit Slave system unit 4 9 9 e e e e a The state of the H8P multi LED in a multi system shows which unit is the master unit slave 1 unit 9 Only the master unit is connected to the indoor units with interunit wiring 140 Test Operation SIiBE31 801 C 3 Remote controller malfunction code display Remote controller heating mode malfunction codes Error code Close valve A immediately and press the TEST OPERATION button once recharge The operation will restart from the charging mode judgement onwards operation Close valve A immediately Check following items m Check if the gas stop valve is opened correctly After correcting the rz Check if the valve of the refrigerant cylinder is abnormality restart the charge hold opened automatic charging Check if the air inlet and outlet of the indoor unit are procedure again not obstructed Remote controller cooling mode malfunction codes Error code Charging is almost finished Ready to close valve a Charging is finished Close valve A and remove the refrigerant tank gt a Und 422
56. Normal operation compressor or refrigerant from dwelling It stops after a lapse of the outdoor unit approximately 5 to 10 minutes fan does not stop The outdoor gets While stopping operation Thereasonisthatthe compressor Normal operation hot is warmed up to provide smooth startup of the system 18 Hot air comes Hot air is felt while the system On VRV systems small quantity Normal operation out from the of refrigerant is fed to indoor units system even in the stopped state when other though it stops indoor units are in operation 19 Thesystem does The system is in dry operation The reason is that the dry Change the system to cooling not cool air well operation serves not to reduce operation the room temperature where possible 201 Troubleshooting SiBE31 801 3 Troubleshooting by Remote Controller 3 1 The INSPECTION TEST Button Troubleshooting by Remote Controller The following modes can be selected by using the Inspection Test Operation button on the remote control On power up the message Connection under check Please wait for a moment will be displayed on the remote controller screen Then that message will disappear and the basic screen will be displayed To access a mode from the basic screen refer to the figure below When any of the operation buttons is pressed the backlight will come on and remains lit for about 30 seconds Be sure to press a button while the backlight is on
57. Replace the main PCB of the outdoor unit The number of indoor units exceeds the standard Check the connection to correct Diagnosis Flow 2 Confirmation of Confirmation of malfunction 3 malfunction 4 ooeeeeojooceeoo0 Check if the refrigerant type of the outdoor unit corresponds to that of the indoor unit Replace the main PCB of the outdoor unit With single systems replace the control PCB 1 A1P e With multi systems replace the main PCB A1P Match the refrigerant types of the outdoor unit and the indoor unit Troubleshooting 314 Troubleshooting by Indication on the Remote Controller 51 1 801 C Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 3 Confirmation of Confirmation of malfunction 3 malfunction 4 Check if the outdoor unit PCBis replaced with PCB for spare parts Check if the unit is not connected to outdoor units of different models NO NO Replace the main PCB of the outdoor unit YES YES Check the model of the outdoor unit Is a correct spare NO PCB procured Replace it with the correct spare PCB YES NO Check if the spare PCB setting is correct Correct the setting to reset the power YES Replace the spare PCB Diagnosis Flow 4 Confirma
58. or electronic expansion valve for liquid injection O When Confirmation of malfunction 4 shows as follows lajo o e a Electronic expansion valve for refrigerant charge or 2 stage selection 1 electronic expansion valve Y2E1 O When Confirmation of malfunction 4 shows as follows ajo o a e x x Electronic expansion valve for subcooling or 2 stage selection 2 electronic expansion valve Y2E2 7 O Explanation of x Te Te Master unit je o Slave unit ejFunction unit The connector of outdoor unit PCB A1P for electronic expansion valve is connected NO Ensure correct connection YES The coil resistance of electronic expansion valve is normal Refer to 1 NO Replace the connecting cable YES Replace the outdoor unit PCB Make measurement of resistance between the connector pins and then make sure the resistance falls in the range of 40 to 500 Orange 1 Red 2 Yellow Black 4 C 40 500 5 O COM 4 Gray 6 255 Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 21 2 Outdoor Unit Abnormal Discharge Pipe Temperature 5 Remote F2 Controller Display Applicable RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit Models Method of Abnormality is detected according to the temperature detected by the discharge pipe Malfunction temperature sens
59. 3LIHA LHM Gad SMOTIOd SV MOHS SIOANAS 8 O13 V1VG SNIH33NISN3 ANY TVONVIN NOLLVTIVLSNI H3TIOHLINOO SLOWSY SS3 THHIM ANY H3TIOHLNOO 3LOIWSH 40 ZSS 155 HOLIMS HOLO3TT3S SHL SNILL3S dO COHLAN AHL INHIHNOO ONLLO3NNOO O13 S901V1VO STIVIH3L VIA ONIHSSNION WHISNOO IN3LSAS NOLLVNISIAOO 3H L OL SNIGHOOOV S3lHVA T3GON H3TTIOHLNOO LONH 9 aasn ONIS SI H3TIOHLNOO SLOWSY SSH THUIM JHL GSLOSNNOO SI S WANY TIV LSNI G3HOV LLV SHL HLIM NI LINN SHL OL LOANNOO H3TIOHLNOO SLOWSY Q3ZIETIVHLN3O 5 ISYONI ILA NI SNILSVd LINN dO INVHOVIG ONIHIM V OL 43434 3SV31d NV SMOHS LINN A38 3HL z HOLO3NNOO WNL T T L L S31ON YATIOWLNOO ALOWSY Q3HIM 20 led Ltd LINN 022 ALON 0S AlddNS 386 NOISSINSNVHL TvNSIS HOLOANNOO 4343034 og 4014707 1081802 81089 S3lH3S AMS HOS TVNIAH3L HOLdVQV SOVSHALNI HOLO3NNOO VOEX 41815 TVNINH3L 310 38 59373 H0123NN00 TOHLNOO 3SvHd S1HYd IVNOLLdO HOLO3NNOO AoN39u3W3 HOLIMS HO19313S 155 145 ssauaav 53799 HOLIMS IVO H 115
60. H3MOd 49018 TVNIINH3I WX 22 072 022 HAWHOSSNVHL 1109 HOLSIINH3H LLLEH 124 HOLSINH3HI Liu qaaaagwa 4L s HOLIMS OINH3HI WLO S3910N3ddY 1 2 012313 HOOQNI HOLOW HOLA VOY 9NIHIM HOLOANNOD V8LX OILLSNOVIN 1 SLHYd TWNOILdO HOLO3NNOO NSSH9 HOLINOW 32IAH3S p gnS NIVW HOLIMS HOLO3T3S 155 SNILLIN3 dvH Wiv HOISINH3HI Lhe ___ 5 8 3514 H3TIOHLNOO SLOWSY Q3HIM HOLIOVdVO 102 JAIVANOISNVdX3 OINOHLOATS ALA Q31NIHd S31ON 42018 LINN HOOQNI AHOSSI29Y TVNOILdO XOA TIOHLNOJ H3TIOHLNOO 31ONWN3H Wex ONIX je la FLA 9 EM misa 2M V8LX Ja 14 H3TIOHINOO ALOWSY 827 Hoo ps NOISSINSNVYH L JLON xa LNdNI Y I LON VOEX V8LX B VIIX I TUN iiv NLX 209 21405 0 22 AlddNS H3MOd Appendix 385 SiBE31 801 Diagrams for Reference iring FXUQ71MA 100MA 125MAV1 6 0 0 NH9
61. In order to make COOL HEAT selection in a batch of outdoor unit group change the setting e COOL HEAT selection IND Used to select COOL or HEAT by individual outdoor unit factory setting e COOL HEAT selection MASTER Used to select COOL or HEAT by outdoor unit group with the master unit e COOL HEAT selection SLAVE Used to select COOL or HEAT by outdoor unit group with the slave unit 2 Check items The following items can be checked 1 Current operating conditions Normal Abnormal In check operation 2 Setting conditions of COOL HEAT selection Individual Batch master Batch slave 3 Low noise operating conditions In normal operation In low noise operation 4 Demand operating conditions In normal operation In demand operation Procedure for changing COOL HEAT selection setting Normally Setting mode 1 is set In case of other status push MODE BS1 button one time and set to Setting mode 1 O ON OFF 9 Blink lect Push the SET BS2 button to set the MODE TEST blinking of LED to any of conditions setting displaying item Ip oe D R SLAVE shown on the right H3P For selection by individual outdoor unit factory seting m ss ARAE Forseleionnabetchofoutoorunt gow wins uni e e e o e _ o For selection in batch of outdoor unit group with slave unit Push the
62. Not less time _6 W P3 uu determine s EG N3 U 15 resistance due N3 V 77 Charge or else 9 NB W U Not less It may take time to than determine the voltage 2 to 15k V 1 2V due to capacitor W including charge or else 2 Diode module checking When using the analog type of multiple When using the digital type of multiple tester make measurement in resistance tester make in diode check measurement mode the x1kQ range mode point Criterion Remark Criterion Remark 1 less take me 2 to 15kQ 2 n voltage ncidng charge ore 4 5 2 1 It may take Not time t 6 v3 Pr tan determine ine Lx KUNI lot resistance due Ja 778 Charge or else 9 NB Not less It may take time to than determine the voltage 2 to 15 1 2V due to capacitor including charge or else Appendix 412 413 SiBE31 801 Part 8 Precautions for New Refrigerant R 410A 1 Precautions for New Refrigerant R 410A 414 UNE CUTE 414 1 2 Refrigerant e ne ee GU vb eset 416 1 2 E 417 Precautions for New Refrigerant R 410A SiBE31 801 C Precautions for New Refrigerant R 410A 1 Precautions for New Refrigerant R 410A 1 1 Outline 1 1 1 About Refrigerant R 410A B Characterist
63. Remote controller flashing malfunction stop OFF OFF Float switch B 5 E B i g ON x1 x 1 5 min x1 x1 x1 x1 x1 5 sec mo 4 5 4 Malfunction residual If the float switch is tripped five times in succession a drain malfunction is determined to have occurred is then displayed as operation continues 5 Malfunction residual The remote controller will display A3 and the air conditioner will come to an abnormal stop if the float switch is OFF for more than 5 minutes in the case of 4 Function 122 Outline of Control Indoor Unit SiBE31 801 If a humidifier is connected and the Drain pump Humidifier interlock parameter is set to Enabled while in filed setting mode the following control will be conducted 1 Float switch activation 1 etc OFF ON OFF FF Float switch ON M Drain pump a ttt l 6 While in operation with thermostat ON the drain pump repeats 20 min OFF and 3 min ON operation 7 If the float switch is activated the drain pump will conduct residual operation for a period of 5 minutes 8 If the thermostat turns OFF the drain pump will conduct residual operation for a period of 20 minutes 2 Float switch activation 2 etc ON Stop due to the Thermostat runnin 9 malfunction of remote controller OFF ON OFF
64. 1 801 C FXUQ BEVQ Indoor Unit Field piping 09 5 1220 To Outdoor unit Field piping 615 9 C1220T O Indoor unit 4D037995J Connection Unit 365 P Electronic x Liquid piping expansion valve Liquid piping connection port connection port P Filter Filter P Gas piping Gas piping connection port connection port 4D034127B Appendix SiBE31 801 C Piping Diagrams 13 BS Unit Liquid pipe connection port Liquid pipe Gss connection port EE 5 __ Electronic expansion valve EVSC Capillary tube Electronic expansion valve Gas pipe connection port Electronic expansion valve TED Dust gas pipe connection port Electronic expansion valve TREE suction gas pipe connection port Electronic expansion valve Appendix 366 SiBE31 801 for Reference iagrams D Outdoor Uni RTSQ8PY1 iring Diagrams for Reference iring 2 2 1
65. Because the system is an air heat exchange type the fan is operated at 9 step rotation inverter fan Because the system is an air heat exchange type the fan is operated at 9 step rotation speed by using the inverter Electronic expansion valve While the outdoor heat exchanger is evaporator control is applied to keep the outlet Main EVM superheated degree of air heat exchanger constant Electronic expansion valve Refrigerant charge EVJ Used to open close refrigerant charge port EL Y3E Electronic expansion valve PI control is applied to keep the outlet superheated degree of subcooling heat Subcooling EVT exchanger constant Solenoid valve Refrigerant regulator gas purging pipe SVG Used to collect refrigerant to the refrigerant regulator Four way valve Dual pressure gas pipe switch 20SB Used to switch dual pressure gas pipe to high pressure or low pressure Four way valve Heat exchanger switch 205 Used to switch outdoor heat exchanger to evaporator or condenser Solenoid valve Refrigerant regulator liquid pipe SVL Used to collect refrigerant to the refrigerant regulator 14 Solenoid valve Hot gas SVP Used to prevent the low pressure from transient falling 14 Solenoid valve Main bypass SVE This opens in cooling operation Solenoid valve Refrigerant EN regulator discharge pipe SVO This is used to discharge refrigerant from the refrigerant regulator S1NPH
66. Electronic expansion valve 4D018650C Main Control Equipment Main function Used to control the flow rate of refrigerant and make the SH control while Flectronic expansion valve in cooling or the SC control while in heating B Y18 Solenoid valve Used to bypass hot gas while in heating with thermostat OFF Capillary tube Used to reduce pressure from high to low in bypassing hot gas SH control Superheated control of heat exchanger outlet SC control Subcooling control of heat exchanger outlet Thermistor Symb Suction air temperature Used to turn ON or OFF the thermostat and select cooling or heating thermistor operation Used to control the opening degree of EV Y1F under the SC control E 3E 3 Used to control the opening degree of EV Y1E under the SH control Discharge air temperature Used to control the electronic expansion valve opening and thermostat ON thermistor OFF so as to keep the discharge air temperature at the set temperature 63 Refrigerant Circuit SiBE31 801 2 Functional Parts Layout 2 1 Plan SOLENOID VALVE SVL 45 ELECTRONIC EXPANSION VALVE SUBCOOLING SOLENOID VALVE SVE 65 Front View INVERTER FAN FOUR WAY VALVE PIPE 25 FOUR WAY VALVE HEAT EXC Y3S EXPANSION VALVE MAIN Y1E THERMISTOR HEAT EXC GAS R2T THERMISTOR H
67. FIELD WIRING COLORS BLK BLACK Y BLU BLUE BRN BROWN gt CONNECTOR ORG ORANGE WIRE CLAMP PNK PINK PROTECTIVE RED RED EARTH SCREW WHT WHITE YLW YELLOW LIGHT EMITTING DIODE ON RED 33S LIMIT SWITCH SWING FLAP CIR CAPACITOR MIF FIT THERMAL FUSE 162 C MF EMBEDDED F2U FJ IERMNALSTRP POWER CONNECTOR FOR OPTIONAL PARTS SERVICE MONITOR GREEN ELECTRICAL APPENDICES RECEIVERIDISPLAY UNIT ATTACHED TO WIRELESS REMOTE CONTROLLER ee MOTOR DRAIN PUMP A2P PRINTED CIRCUIT BOARD pm THERMISTOR AIR ON OFF BUTTON REM NOTES 1 WHEN USING A CENTRALIZED REMOTE CONTROLLER SEE MANUAL FOR CONNECTION TO THE UNIT 2 X23A 15 CONNECTED WHEN THE WIRELESS REMOTE CONTROLLER KIT IS USED 3 WHEN CONNECTING THE INPUT WIRES FROM THE OUTDOOR UNIT FORCED OFF OR ON OFF OPERATION CAN BE SELECTED BY THE REMOTE CONTROLLER FOR MORE DETAILS SEE INSTALLATION MANUAL 4 USE COPPER CONDUCTORS ONLY 21TW23776 1D 375 Appendix SiBE31 801_C Wiring Diagrams for Reference FXCQ40M 50 80 125M8V3B 150922801 40 50 80 125 CLASS 45 58 90 140 CLASSI MR QE 7552 KMS ERN fe indoor dl SWITCH BOX 335 38H MUT BT ORT 97 ch al P P P H E BK BAK Ein S S BLU BLUE X13A XITA XOA RE T
68. Specifications 48 Specifications 1 801 C 4 way Blow Ceiling Suspended Unit 1 1 TECHNICAL SPECIFICATIONS FXUQ125MAV1 Nomina Casing Wit wa m 9 99 Don m 9 99 wei 8 8 m j Nrofsiages 8 Cross fin coil Multi louver fins and N hex tubes DE ME MM CE W 45 high Sound Level Cooling Sound dBA 56 0 59 0 power nominal Cooling Sound dBA ee 6 6 1 8 Heating Sound Piping quq Gs me T EMI O Air Filter Resin net with mold resistance TEE 49 Specifications SiBE31 801 C Specifications _ Blow Ceiling Suspended Unit me 3 mae 9 9 mex A 99 Note For more details concerning conditional connections see um extranet daikineurope com select E Data Books Finally click on the document title of your choice BEV Units Power Suppl Casing Sound Absorbing Thermal Insulation Material Flame and Pole iene Foamed Flame and Poke iene Foamed Flame and 12 Foamed Indoor Liquid Pipes 9 5mm Flare Connection 9 5mm Flare Connection 9 5mm Flare Connection Piping Unit 15 9mm Flare Connection 15 9mm Flare Connection 15 9mm Flare Connection Connection Outdoor Liquid Pipes 9 5mm Flare Connection 9 5mm Flare Connecti
69. 104 Josuos T 91 55914 N d ould plousjos NETET Nen Builoooqns 911012913 dcLOS LH eqn Medes seb eyeipeuuelu einsseJd ejeipeuuoelju pinbi eanssejd uBiH 1 390 A 1 1 440 youms seb ainssaid Joy SOINS TEC Joqeredes 91591189910 eunsseud uiu p g HdNIS Josues i 399uO 3 A BA u 91 55914 yooyo f KO YII 1 jy 5 1 ll d 9 yo uol APRE uoisuedxo edid pinbiq 4914 eqn uod sec JOY 9 uolsuedx 9IU0J 129 3 seo jg uod plou oS 020518 i uolsuedx uolsuedx I JOylj i J9yI4 luojo9 3 J98yIJ Em I I sid 26 sid 261 440 NO youms uolsuedx _ 4 _____ NO souy T NO uonejedo 400pu I CUI Refrigerant C 77 SiBE31 801 R
70. 15 HOLIMS HOLO3 13S SS 1195 HOLSIINH3HL 1 H 12H NOISSIINSNVH L J LON 3qIS1 O 1 V ALON IN LX HIV HOLSINH3HL 4 3 HOLIMS OINH3HL WZO WLO HOOGNI HOLOW LW 1 AVT3H 7 1 Y 1 V8lX V8X VLIX VelX VELX S ALON 4 dug 42 4 LW OLLJNOVIN HOLOVINOO OILANDVIN WEA 1 52 170 22 411 HOLOVINOO 2 42 4 HOLOVINOO OLLANOWN WIA feminin N3385 HOLINON 39IAH3S 80010 SNI LLIN3 LHOM vs g 3snd NTT WIX 42 41 HOLIOYdYO LINOHIO d3lNiHd ZHO9 ZHO0S 3 LINN HOOQNI 0 T AlddNS H3MOd SiBE31 801 Wiring Diagrams for Reference FXHQ32MA 63MA 100MAVE KINO SHOLONGNOD H3ddOO ASN 8
71. 5P aap s misis Concealed Floor Standing Unit FXNQ 20MA 25MA 32MA 40MA 50MA ema Outdoor Air Processing FXMQ ggewmesm _ _ TE V1 4 way blow ceiling Connection Unit for Note FXDQ has following 2 Series as show below FXDQ PB NBVE with Drain Pump BEV unit is required for FXUQ only MA RoHS Directive models Specifications Dimensions and other functions are not changed compared with M type 5 General Information SIBE31 801 Model Selection Indoor unit capacity New refrigerant model code P20 25 P32 40 50 6 P80 P100 P125 P140 P200 P250 type type type type type type type type type type type type Selecting model capacity 2 2 2 8 3 5 4 5 5 6 7 0 9 0 11 2 14 0 160 22 4 28 0 kW kW kW kW kW kW kW kW kW kW kW kW Use the above tables to determine the capacities of indoor units to be connected Make sure the total capacity of indoor units connected to each outdoor unit is within the specified value kW B The total capacity of connected indoor units must be within a range of 50 to 130 of the rated capacity of the outdoor unit m n some models it is not possible to connect the maximum number of connectable indoor units Select models so the total capacity of connected indoor units conforms to the specification Gener
72. Degree that electronic expansion valve is open pls eme enpmpONOFF SN 3 Th2 Heat exchanger Heat exchanger liquid thermistor pipe thermistor 4 Th3 Heat exchanger gas pipe thermistor 5 Th4 Discharge air Discharge air thermistor thermistor 6 Th5 ___ ___ ___ ___ 4 Outdoor Status 1 Unit Select the Unit No you want to check n 2 FAN Tap 1 3 COMP Compressor power supply frequency Hz 4 EV1 Degree that electronic expansion valve is open pls 5 SV1 Solenoid valve ON OFF 7 Th2 Heat exchanger thermistor 8 Th3 Discharge pipe thermistor 5 Forced Defrost 1 Forced defrost ON Enables the forced defrost operation SkyAir only 2 Forced defrost OFF Disables the forced defrost operation 3 Indoor Status Display 1 2 Troubleshooting 20 Troubleshooting by Remote Controller 51 1 801 C Selection occurs 7 Unit No Transfer 1 Current Unit No A unit No can be transferred to another 2 2 TransferUnitNo Unit No 8 Sensor Address DIEI Unit No 0 15 Select the Unit No you want to check Display Remote controller thermistor Suction air thermistor Heat exchanger liquid pipe thermistor Heat exchanger gas thermistor Indoor unit address No Outdoor unit address No BS unit address No Zone control address No Cooling heating batch address No Demand low noise address No O Data The corresponding data will be dis
73. E pene Sd Tp p n Nts VIX 2 2 29 ID 212 ZHOS ASIV O8E NE N 2121 11 AlddNS H3MOd OZN TVNINH31 Appendix SiBE31 801 Diagrams for Reference iring RTSQ14PY1 16PY1 8 LO90dE N3389 NH9 3LLIHM LHM ANd qati 18 SHO109 8 15 NOLLO31O amp d LHOHS LNOG ONLLVH3dO N3HM Z H3AOO OdINOO 78 NO 13971 NOLLOVO3IHd 35 OL 43434 S ISg ISN OL 9 IVONVIA NOLLV TIV LSNI OL 43434 20 LO NOISSIISNVHL avv _ HLA 114405 u3MOd ONIHOLIMS 9 OLN HOLOVINOO 427 8014707 14406 _ VeX SHOIA3G AL33VS HOLOIN 32 ALN dzy NS389 801INON 3211836 27 A NORS BOOTHE NE NORAINO eas SLHYd IVNOLLdO HOLO3NNOO HOSN3S 1N3HunO MT HOSS3HdWOO 26 dN IHOIT NOLLOS 1531 38vd3ud dH HOLdVQVv WNOLLdO 3HL 40 TWANVW NOLLV TTV LSNI SHL OL 43434 HOLdVQV 3H1 9NISQ N3HM Y MHOS H1HV3 3ALLO3IOHd IVNIAH3L o HOLO3NNOO 199 41815 TVNIIH3L
74. Normal operation Normal operation Clean the inside of the indoor unit Normal operation Normal operation Normal operation This sound becomes low after a lapse of approximately one minute Normal operation Normal operation Normal operation Normal operation Normal operation The reason is that the compressor Normal operation changes the operating frequency 200 Symptom based Troubleshooting SiBE31 801 C Supposed Cause 12 Dust comes out Dust comes out from the Dust which has deposited on the Normal operation from the system system when it restarts after inside of indoor unit is blown out the stop for an extended period from the system of time 13 Odors come out In operation Odors of room cigarettes or else The inside of the indoor unit from the system adsorbed to the inside of indoor should be cleaned unit are blown out 14 Outdoor unit fan In operation The reason is that fan revolutions Normal operation does not rotate are controlled to put the operation to the optimum state 15 LCD display 88 Immediately after turning ON The reason is that the system Normal operation appears on the power supply checking to be sure the remote This code is displayed for a period remote controller is normal of approximately one minute at controller maximum 16 The outdoor unit After stopping operation It stops in order to prevent oil
75. RO Discharge of Refrigerant When the indoor unit operates at high load the solenoid valve Y7S will be energized to discharge refrigerant from the refrigerant regulator ectronic expansion Filter Electronic expansion Liquid pipe Strainer EB Gauge port X Heat exchanger Pressure regulating valve check valve type Equalizing pipe ZZ Check valve High pressure sensor Pressure regulating BB Filter 1K Solenoid valve absolute valve Y4S pressure type Check valve xy Solenoid ex pares wna 2 ESI Filter Check valve XL Refrigerant regulator gt lt Solenoid valve Compressor UN UJ Z Capillary tube BE a Filter Solenoid valve Solenoid valve 15 Low pressure Y7S BER Filler sensor Gauge port Suction gas pipe M Pressure Regulating Valve Refrigerant Regulator When all solenoid valves Y1S Y4S and Y7S are deenergized a closed circuit will be set up To avoid that relieve pressure raised by the refrigerant regulator to the liquid
76. V Replace the compressor Conclude the work There is a possibility of defect of pressure equalizing Check the refrigerant circuit Defect of pressure equalizing Check the refrigerant circuit Replace the inverter PCB Replace the inverter compressor 1 Pressure difference between high pressure and low pressure before starting 2 The quality of power transistors diode modules can be judged by executing 5014 341 Check it shutting the power supply off Troubleshooting SIiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 18 5 Outdoor Unit STD Compressor Motor Overcurrent Lock xm a b Remote Li Controller Display Applicable RTSQ8P 16P Outdoor Unit Models Method of Detects the overcurrent with current sensor CT Malfunction Detection Malfunction Malfunction is decided when the detected current value exceeds the below mentioned value for Decision 2 seconds Conditions B 400 V unit 15 0A Supposed Closed stop value Causes Obstacles at the air outlet Improper power voltage Faulty magnetic switch Faulty compressor Faulty current sensor A6P A7P Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution orparts damage may be occurred NO Is the stop valve open Open the stop valve YES Obstacle exists around YES Remove the obstacle the air outlet Is the power su
77. 4 020 45 MPa ON 3 0 0 15 High pressure pressure For M20 protection switch For M3C SINPL OFF 007 Discharge gas temperature protection R31T OFF 135 C Temperature Discharge pipe thermistor protection Inverter fin temperature protection OFF 93 C Radiator fin thermistor RIT Time lag 3 15A AC 250V 250V 10A Class B Time lag 3 15A AC 250V 250V AC 10A Class B 250V AC 5A Class Others Fuse 391 Appendix SIBE31 801 C List of Electrical and Functional Parts 3 1 2 RTSQ10PY1 12PY1 Item Name Model Symbol RTSQ10PY1 RTSQ12PY1 JT1GEDKYR SB 14 7A JT170GEKYE SB 15 0A Inverter OC protection device lt Compressor STD 1 OC protection M2C device lt STD 2 OC protection device OC protection lt lt lt Electronic expansion valve Main Fully closed Opls Fully open 480pls Electronic expansion valve Refrigerant charge Y2E Fully closed Opls Fully open 480pls gt Electronic expansion valve Subcooling YSE Fully closed Opls Fully open 480pls For M1C S1PH OFF 4 029 45 MPa ON 3 0 0 15 Pressure For 2 S2PH OFF 7 29 3 0 0 15MPa protection switch For M3C S3PH 1NP OFF 0 07MPa Low pressure sensor Discharge gas temperature protection R31T Temperature Discharge pipe thermistor protection Inverter fin
78. 60 lt x lt 65 65 lt x lt 70 70 lt lt 75 75 lt lt 80 80 lt x lt 85 85 lt x lt 90 90 lt x lt 95 20 95 lt x lt 100 21 100 lt x Oe CE OL C CC XO C AE JE JE JE JE JE JE JE JE JE JE JE JE JE JE JE JE JE JE JE CO CO O JE JE JE JE JE JE JE JE JE JE Ooeeee eooooeeeeooooeeoeoe 0000000000000000 5 Return to setting mode 1 initial state y pressing the 851 MODE button If you get confused in the middle of the input process press the BS1 MODE button to return to setting mode 1 initial state The H1P LED is off e Hesume the input procedure from step 2 onwards Perform a check operation as described in 1 4 Check Operation on P 144 142 SiBE31 801 Test Operation 1 3 5 Remaining Refrigerant Charging Method 143 When the leak detection function is not required and the entire refrigerant quantity can not be charged through the liquid pipe stop valve service port with the unit not operating refer to Pre charging on page 135 make sure to charge the remaining charging quantity using the following procedure 1 Turn the power of the indoor unit the BS unit and the outdoor unit on 2 Make sure to open the stop valves of the suction gas pipe the high pressure low pressure gas pipe and the liquid pipe completely
79. 9NILV1n93H MO3HO 8l 3A1VA AVM 8 H39NVHOX3 1V3H Had 3dAL SATIVA mm 42 JAYA EST v1 LL uaNIvHlS dati L 1 12 NOISNVdX3 HJO5NVHOX3 O9INOH IO3 13 9 61 JAYA Q T JAVA 22 NOISNVdX3 OINOH 1O3 13 J NOLLO3NNOO 2 HOd 39IAH3S HLIM dOLS Jdid SV9 H3ZI IvVno3 GINOM Refrigerant Circuit 55 SiBE31 801 C Refrigerant Circuit 1 2 RTSQ10PYIl 12PY1 No in refrigerant system symbol Name Major Function diagram Inverter compressor is operated on frequencies between 52Hz and 280 266 for RTSQ12P Hz by using the inverter while Standard compressor is operated with commercial power supply only The number of operating steps is as follows when Inverter compressor is operated in combination with Standard compressor Standard compressor 1 2 M2C STD1 Compressor operation steps Refer to P 92 93 Because the system is an air heat exchange type the fan is operated at 9 step rotation Electronic expansion valve While the outdoor heat exchanger is evaporator control is applied to keep the outlet Main EVM superheated degree of air heat exchanger constant Electronic expansion va
80. Appendix 406 Example of Connection R 410A SiBE31 801 C 407 Appendix SiBE31 801 C Thermistor Resistance Temperature Characteristics 6 Thermistor Resistance Temperature Characteristics Indoor unit For suction air For liquid pipe R2T For gas pipe R3T Outdoor unit for fin thermistor R1T Outdoor unit For outdoor air R1T For coil R2T For suction pipe R4T For Receiver gas pipe R5T For Receiver outlet liquid pipe R6T 9 5 Appendix 408 Thermistor Resistance Temperature Characteristics SiBE31 801 Outdoor Unit Thermistors for Discharge Pipe R3T 1 337 409 Appendix Pressure Sensor 7 Pressure Sensor SiBE31 801 C ure PL Vpc 410 3 5 Low Press 3 VH Output Voltage High Side Vpc Output Voltage Low Side 2 5 1 5 Output Voltage Vu VL High pressure MPa P Low pressure MPa PH 4 1VH 2 05 PL 7 3 x VL 7 6 PH 0 4790 5 0 5 Detected Pressure PH PL Appendix Method of Checking the Inverter s Power Transistors and Diode Modules SIiBE31 801 C 8 Method of Checking the Inverter s Power Transistors and Diode Modules 8 1 Method of Checking the Inverter s Power Transistors and Diode Modules Checking failures in power semiconductors mounted on inverter PCB Check the power semiconductors mounted on the inverter PCB by the use of a multiple tester Items to be pr
81. Cancel button for 4 seconds or more Model name display perating hours display Indoor status display Qutdeor status display Forced defrost Error display selection 4ICIReturn Setting Service Menu screen Service Menu Model name display Operating hours display e Indoor status display e Outdoor status display Forced defrost Error display selection e Unit No transfer e Sensor address data display 202 Troubleshooting by Remote Controller 51 1 801 C 3 2 Self diagnosis by Wired Remote Controller Explanation The following will be displayed on the screen when a malfunction or a warning occurs during operation Check the malfunction code and take the corrective action specified for the particular model WDAIKIN Screen Operation lamp 1 Checking a malfunction or warning Operation Status Display The operation lamp green starts to blink The message Cool The system stops operating Malfunction Press Menu button willappearandblink Sui 28 c at the bottom of the screen Error Press Menu Button The operation lamp green remains on The message Warning Warning Press Menu w P 28 button willappearandblink C at the bottom of the screen Warning Press Menu Button 203 Troubleshooting SiBE31 801 Troubleshooting by Remote Controller 3 3 Self diagnosis by Wireless Remote Controller In the Case of
82. Display Applicable RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit Models Method of Detection of voltage of main circuit capacitor built in the inverter and power supply voltage Malfunction Detection Malfunction When the voltage aforementioned is not less than 780V or not more than 320V or when the Decision current limiting voltage does not reach 200V or more or exceeds 740V Conditions Supposed Power supply insufficient Causes Instantaneous power failure Open phase Defect of inverter PCB Defect of outdoor control PCB Main circuit wiring defect Faulty compressor Faulty fan motor Faulty connection of signal cable Troubleshooting 296 Troubleshooting by Indication on the Remote Controller Troubleshooting 297 SiBE31 801 C Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check for power supply conditions 1 Is the power supply voltage 200VAC 10 2 Does the power supply have any open phase or erroneous wiring 3 Does the power supply imbalance fall within 6V here is a defect in the YES power supply aforementioned NO YES The insulation resistance of the compressor is not ore than 100 NO The insulation resistance YES of the fan motor is not more than 1 0 NO GEO YI P 341 Is the power transistor normal NO YES Connect and disconnect the following connectors
83. I 91155914 Kem noy eam eide ZO 99Uuo JO A BA SOM NENEI 18 90168910 Es E E 1 1l d I uolsuedx JOosues aJnsSaJd NdNes _ eeu 9 anea xoou Builoooqns LA uolsuedx _ 4 1 1l d nne Q NO sowy pedo uo euuoN L eanssejd pinbi uBiH seb einsseJd 440 uoiws uonejedo Y29049 eqni 1934 72 D 1934 Jojeredos id Y20949 Z YOOUD a y edid pinbr 1 1l d Q 2 uoisuedxe 9IU0J129 3 Mejide uoisuedxa 9IUOJJ29 3 Q 2 9 uolsuedx 91UOJ 29 3 1 1l d piouejos piou oS edid pinbr YOUMS THIS eunsseud eunsseud uiu HNS JOSUSS eJnsseJg uod eoiweg 2 NO
84. Invenerand CoDITOLPGBs aucun i u CEDERE 285 4 41 7 Outdoor Unit Inverter Over Ripple Protection 288 4 42 ry Outdoor Unit Malfunction of Inverter Radiation Fin Temperature Rise 290 4 43 Pu Outdoor Unit Faulty Field Setting after Replacing Main PCB or Faulty Combiridtion or 291 4 44 Outdoor Unit Refrigerant Shortage Alert 293 4 45 Reverse Phase Open 295 4 46 iz Outdoor Unit Power Supply Insufficient or 296 4 47 uz Outdoor Unit Check Operation is not Executed 299 4 48 Malfunction of Transmission between Indoor Units 300 4 49 55 Indoor Unit Malfunction of Transmission between Remote Controller and Indoor Unit 302 4 50 u Outdoor Unit Transmission Failure Across Outdoor Units 303 4 51 55 Indoor Unit Malfunction of Transmission between Main and Sub Remote Controllers 310 4 52 us Indoor Unit Malfunction of Transmission between Indoor and Outdoor Units the Same 5 311 4 53 u
85. ON ON m ON ON ON ss ON oN 1 Upper limit frequency for single stage compression in 50 Hz districts 2 Upper limit frequency for two stage compression in 50 Hz districts Normal Operation 92 Normal Operation 1 801 C Function unit RTSYQ20P BTSQ20P To increase Step No To decrease Step No STEP Unit 1 Unit 2 i i 2 7 i 17 23 I gt 2 7 3 s 2 3 26 6 26612 ON a7 ON 7 i 4 25 ON 25 29 79 ON m ON _ ON Lm ON 7 iere ON 7 ON 7 isere ON 7 _ ON ON ON aore ON 4 ON aere ON _ ON as ON a asore ON RTSYQ10P upper limit lt RTSYQ14P upper limit RTSYQ16P 20P upper limit Notes 1 INV Inverter compressor STD Standard compressor Figures after ON represent the number of STD compressors
86. System down is caused by 4 times of detection In the condition of fan motor rotation the number of rotation is below the fixed number for more than 6 seconds System down is caused by 4 times of detection Failure of fan motor Defect or connect ion error of the connectors harness between the fan motor and PCB The fan can not rotate due to any foreign substances entangled Clear condition Continue normal operation for 5 minutes Troubleshooting SIiBE31 801 C Troubleshooting by Indication on the Remote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check in the monitor mode 14HP 16HP class models have 2 fans Check electric motor electric motor 1 or 2 corresponding PE to malfunction code the monitor mode of outdoor unit PCB Refer to P 216 P 217 for how to check Cut the power supply OFF and wait for 10 minutes Check if any foreign substances around the fan Remove the foreign substances Check connection status of the connectors O Fan motor 1 relay connector or X1A X2A of compressor inverter PCB O Fan motor 2 relay connector or X1A X2A of fan inverter PCB Check if any connector is disconnected YES Insert the connector Check the color of relay connectors O Fan motor 1 Both power supply wire and signal wire are all white O Fan motor 2 Both power supply wire
87. Uonejeisur juo 1eddoo esf 2 10 5 JO JO jou pue juo uonoeuuoo jo sjurod e1eue Z Sepoo euoneu pue eui Sepoo euoneu pue y eq yun 9 snuu ejs eui uo panood eq pue sjueuoduJoo N SiBE31 801 C Diagrams for Reference iring RTSYQ20PY1 VZc 6S0d 372 SLINN HOOQNI SLINN dOOdNI ANN H3MOd ANN H3MOd ANN ANN ANN ANN 9 S3ulM 2 SSYIM 31NO S3HIA 2 S3HIA S3ulM 2 S3ulM 2 3Snd 3Snd 3505 3505 ANN H3MOd S3ulM 2 3Snd 3Snd 3Snd 3Snd NI 13 M 18 0 S3HIM 2 HOLIMS HOLIMS HOLIMS HOLIMS N JI N JI HOLIMS HOLIMS HOLIMS N N 1
88. WIX A lol 0 e OEN SPA rmn rum ram 664 624 51 ma csa 89 esa 259 198 apel 0623 fo vex IUS BEZO lt dEV 51 el e 8 i HALON 2 b viti XogodWood3 lH deH daH V6x vex gt d 2 AZW ALN OSW OLW dO 1nOAV1 5151131151 5 1 5 die l 4 A e e nid RS uM 5 nid vi qu t M d V ID 917 ZH0S ASLY 08 N 1 Z1 AlddNS H3MOd OEW OLW dO TVNIINH3 L Appendix 369 Diagrams for Reference iring SiBE31 801_C BTSQ20PY1
89. _ ot _ LLarfow 12 22 3 02 10 Setting of Operation Mode to AUTO This setting makes it possible to change differential values for mode selection while in automatic operation mode Second code No 222 SecndcodeNo Modeno e x 4 e The automatic operation mode setting is made by the use of the Operation Mode Selector button 11 Auto Restart after Power Failure Reset For the air conditioners with no setting for the function same as factory setting the units will be left in the stop condition when the power supply is reset automatically after power failure reset or the main power supply is turned on again after once turned off However for the air conditioners with the setting same as factory setting the units may start automatically after power failure reset or the main power supply turned on again return to the same operation condition as that of before power failure For the above reasons when the unit is set enabling to utilize Auto restart function after power failure reset utmost care should be paid for the occurrence of the following situation Caution 1 The air conditioner starts operation suddenly after power failure reset or the main power supply turned on again Consequently the user might be surprised with question for the reason why 2 In the service work for example turning of
90. mode 2 Varies depending on Tc setting operating Tc setting frequency etc L M Normal H On multi outdoor unit systems this control is made factory according to values of the first priority unit which is detected with the pressure sensor setting Heating operation at low outdoor air temperature lt Outdoor unit gt This function is used to conduct the same control as that for Heating operation aforementioned Function unit gt This function is used to control the compressor capacity so that the ratio Ph of the high stage side compression ratio to the low stage side compression ratio will come to the target value _ High stage side compression ratio _ Po Pm Ph Low stage side compression ratio Pc Value detected by the high pressure sensor of the function unit MPa Pm Value detected by the high pressure sensor of the outdoor unit MPa Pe Value detected by the low pressure sensor of the outdoor unit MPa OTarget value of Ph PhS 0 5 to 2 0 High D pressure Pc Electronic expansion valve 1 Gas amp liquid separator Function unit Intermediate pressure Pm Pressure Outdoor unit Electronic expansion valve 2 Low O pressure Pe Enthalpy Function SiBE31 801 6 2 2 Compressor Step Control Compressor operations vary with the following steps according to informa
91. 1 2 lt gt X20A 2 X6A 2 lt gt X28A A1P The inverter PCB gets damaged Rectify the defect Replace the compressor Heplace the fan motor If the motor significantly gets damaged the inverter PCB will need to be replaced Replace the inverter PCB Replace the inverter PCB If the inverter PCB significantly gets damaged the compressor or the fan motor may have caused a failure Troubleshooting SiBE31 801 Troubleshooting Troubleshooting Troubleshooting by Indication on the Remote Controller Turn ON the power supply and then press the ON button The system enters standby mode before the outdoor unit fan starts rotating YES NO The system enters standby mode YES before the compressor completes startup sequence NO The malfunction isis c recurs NO Replace the inverter PCB Faulty noise filter Replace the inverter PCB If the inverter PCB significantly gets damaged check for the compressor Check for all wirings Continue operation External factors such as instantaneous power failure are supposed 298 Troubleshooting by Indication on the Remote Controller 51 1 801 C 4 47 Outdoor Unit Check Operation is not Executed Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troub
92. 3 Connect the refrigerant charge hose to the refrigerant charging port for additionally charging 4 When the unit is not operating push the BS2 SET button until the additional refrigerant charging operation function A in setting mode 2 can be defined the H1P LED is on O 5 he operation starts automatically The H2P LED will start flashing 9 and the messages Test operation and Under centralized control will display on the remote controller 6 After charging the specified quantity of refrigerant press the BS3 RETURN button to stop the operation The operation will stop within 30 minutes f charging is not completed after 30 minutes set and perform the additional refrigerant charging operation again B additional refrigerant charging operation stops before the passing of 30 minutes the system may be overcharged Never charge extra refrigerant 7 Disconnect the refrigerant charge hose 8 Are the stop valves for both liquid and gas open Is the amount of refrigerant that has been added recorded on the refrigerant charge label Test Operation SiBE31 801 1 4 Check O Test Operation peration Make sure to carry out the check operation after the first installation Otherwise the malfunction code 03 will be displayed on the remote controller and normal operation cannot be carried out When the check operation is finished normally normal operation can be carried out after approx 5 minutes In case of
93. 3 Electronic expansion valve Bf Filter To HEHE er outdoor as pipe i 13 Capillary tube pip unit Service port 4 Electronic expansion valve Filter Check valve Liquid pipe 2 Electronic expansion valve 9 Solenoid Liquid pipe valve Filter 6 Solenoid valve Check valve Check valve sensor S1NPH iit Filter Filter 12 Capillary tube UN 30060823 Refrigerant Circuit SiBE31 801 C Refrigerant Circuit 1 6 Indoor Units FXCQ FXFQ FXZQ FXKQ FXDQ FXSQ FXHQ FXAQ FXLQ FXNQ HIHI O Electronic Filter Expansion Valve Filter Symbol Electronic Used to control superheated degree of gas when 1 expansion valve Y1E 2000 a subcooled degree when heating Max Suction air Used for thermostat control 8 Liquid pipe ROT Used to control superheated degree of gas when thermistor cooling and subcooled degree when heating Gas pipe R3T Used for gas superheated degree control when thermistor cooling Refrigerant Circuit 62 Refrigerant Circuit 51 1 801 C FXMQ125MFV1 250MFV1 connection port Heat exchanger Capillary tube Distributor Th1 Solenoid valve Liquid pipe connection port Check A valve Filter Filter
94. 32M 40M 50M9V1B 20 25 32 40 50 CLASS RIT ROT RST 22 28 36 45 56 CLASS F s TTS 222122609 1001 Mu 50Hz X2M RED ppp eoi e l qose hie SEE NOTE 3 QIDI WHT Xf cds TAL UE EI Wiring Diagrams for Reference INPUT FROM OUTSIDE SEE NOTE 4 TRANSMISSION WIRING CENTRALIZED REMOTE CONTROLLER SEE NOTE 2 RIT WIRED REMOTE CONTROLLER TRANSFORMER 220 240V 22V PRINTED CIRCUIT BOARD FIELD FUSE TERMINAL STRIP E LLL TERMINAL CONNECTOR WIRE CLAMP mm FELDWIRING NOTES 1 CASE OF USING A REMOTE CONTROLLER CONNECT IT TO THE UNIT IN ACCORDANCE TO THE ATTACHED INSTALLATION MANUAL 2 X23A 15 CONNECTED WHEN THE WIRELESS REMOTE CONTROLLER KIT 15 BEING USED LIGHT EMITTING DIODE CAPACITOR MIP VITR TRIAC FILTER SIGN RED F1U FUSE B 250V XIM TERMINAL STRIP LIGHT EMITTING DIODE DEFROST ORANGE SELECTOR SWITCH MAIN SUB LIGHT EMITTING DIODE SERVICE ELECTRONIC EXPANSION VALV HAP MONITOR GREEN WIRED REMOTE CONTROLLER ss SELECTOR SWITCH KPR MAGNETIC RELAY THERMISTOR AIR WIRELESS ADDRESS SET MOTOR INDOOR FAN SELECTOR SWITCH MAIN S
95. 5 02051 UOIsUuedxo Oluono l3 JO I4 _ 1911 27 sid 261 i I T1ueq A NO 2799 I Hun 40 330 sowy L NO 9 t t NO Yams NO 70 I CUI Refrigerant C SiBE31 801 C Refrigerant Flow for Each Operation Mode Heating Operation at Low Outdoor Temperature SIosseJduioo seu dp LOS LH pue sioss iduio5 seu doLOS 1H d9LOS LH 20 eui swous eu 1 1l d 291114 yoaug Y29949 71 YOOUD ZI einjosqe jo 91155914 eqni Mejide jeBueuoxe Jayi 99m Medeo H YN 19114 91155910 1 1l qd ainsseid Josu s 91 55914 U9IIMS ejnsseJd u6iH 904 aunssaud anjen poues uolsuedx 91U0J129 3 JojejeDujeH 9 yoaug 2042913 pinbi eanssead eyeipeuuelu seb einsseJd pinbi eanssejd uBiH seb eunsseJd uBiH B
96. 93 F1U 2 Time lag 3 15A AC 250V 250V AC 10A Class B For main PCB Time lag 3 15A AC 250V 250V AC 10A Class B Others Fuse For Noise filter F1U 250V AC 5A Class B y O UJ 393 Appendix SIBE31 801 C List of Electrical and Functional Parts 3 1 4 BTSQ20PY1 Item Name Symbol meg y BTSQ20PY1 JT1GEDKYR SB Inverter OC protection device 14 7A lt Compressor STD 1 OC protection M2C device lt STD 2 OC protection device OC protection Fan motor 1 lt lt lt device Electronic expansion valve Liquid injection Fully closed Opls Fully open 480pls Electronic expansion valve 2 stage selection 1 Y2E1 Fully closed Opls Fully open 480pls Electronic expansion valve 2 stage selection 2 2 2 Fully closed Opls Fully open 480pls For M1C S1PH OFF 4 020 45 MPa ON 3 0 0 15 High pressure For M2C S2PH protection switch For M3C S3PH 1NP Low pressure sensor Discharge gas temperature protection R3T OFF 135 C Temperature Discharge pipe thermistor protection Inverter fin temperature protection Radiator fin thermistor F1U 2 Time lag 3 15A AC 250V 250V AC 10A Class B For main PCB Time lag 3 15A AC 250V 250V AC 10A Class B Others Fuse For Noise filter F1U 250V AC 5A Class B y O UJ 39 Lis
97. AHVTIIdVO HOLVINNNDOV Halli EH Yal NN HOlIVHVd3S JjAIVA JAYA VW MOAHO GION31OS 4 Hali 5 3ATVA GION31OS NOILOANNOO ONIZVHS m NOILOANNOO 991113 ONldld GION3 IOS Jails wed 2INOHIO313 LINN YOOdLNO OL NOLLO3NNOO Tllavo NOLLO3NNOO NOISNVdX3 ONldld 3ais svo ysis NOISNVdX3 O9INOH IO3 13 9 ANIWA GION3 TOS 9 ANIWA GION3 IOS dOSS3ddNO9 HOLIMS SdH aunssaud YOSNAS HdNIS dgunssaud NOLLO3NNOO ONIZVHS NOLLO3NNOO ONldld 3415 INON uaria NOILOANNOO ONIZVHS NOLLO3NNOO ERES 1015 sv 1HOd 39IAH3S LINN HOOQNI OL 358 Appendix Piping Diagrams 51 1 801 C 1 2 Indoor Unit FXFQ P LIQUID PIPE CONNECTION PORT f FILTER ELECTRONIC EXPANSION FILTER VALVE GAS PIPE CONNECTION PORT QAS PIPE CONNECTION PORT REFRIGERANT FLOW COOLING HEATING REFRIGERANT PIPE CONNECTION PORT DIAMETERS FXFO20 25 32 40 912 70 80 100 125 15 90 99 52 3TW28835 1 359 Appendix SiBE31 801 C Piping Diagrams FXZQ Gas pipe connection port flare connection H f x Th3 Bi Th1 x be x Liquid pipe connection port flare connection lt Filler Electr
98. Difference in height Difference in height between outdoor unit and indoor unit H1 x 50m Max 40m if the outdoor unit is below lt 10m Equivalent length lt 13m Allowable Between indoor and indoor units Difference in height Difference in height between indoor units H2 lt 15m r lt 10m height Equivalent length x 13m difference Between outdoor and outdoor units Difference in height Difference in height between outdoor units lt 5m s lt 10m Equivalent length x 13m Allowable Between outdoor unit and function unit Difference in height Difference in height between outdoor unit and function unit H4 lt 1m ength after the branch A length ctual pipe Actual pipe length from first refrigerant branch kit either REFNET joint or REFNET header to indoor unit lt 40m Note 2 Example 8 c d e f g h q lt 40m Example 6 i lt 40m 8 j lt 40m Example 8 j x 40m Appendix 404 Example of Connection R 410A Outdoor unit multi connection piping kit and Refrigerant branch kit selection How to select the REFNET joint When using REFNET joint at the first branch counted from the outdoor unit side choose from the following table in accordance with the outdoor system capacity Refrigerant branch kits can only be used with type Example REFNET joint R 410A e When multi outdoor system are installed be sure to use the special separatel
99. HOLIMS HOlO3T3S 2SS NIMS HOLIMS OLS HOLIMS HO1O3T3S 195 AVTSY OLLSNOVIN 3ONvHO LSOHJ3Q VIN OLLSNOVIN NILLINI 1HOT1 100 HOISIWH3HL 126 GSY NDIS uiv HOISINH3HI 1HOF1 LN HOLIMS ONH3H1 ONLLLIN3 HOOQNI HOLOW ALNI gn dvd DNIMS HOLOW SLN N33H9 30829 3HO NO NOLLAG 158 ONLLLIN3 __ N3349 HOLINOW 30829 m 1HOT1 u3T1081NOO SLOWSY SS3THIM OL GSHOVLLY au HOLIOVdWO 10 LIN AVTdSIQ AH3AI3O3H HAWHOISNVYL m anS NIVW HOLIMS HOLO33S 156 uiv HOISINH3HI LiH YITIOHLNOO SLOWSY LINN HOOQNI Wiring Diagrams for Reference BEVQ71MA 100MA 125MAVE 387 BEV UNIT PRINTED CIRCUIT BOARD ASSY POWER SUPPLY PRINTED CIRUIT BOARD ASSY 220 240V 16V FUSE 10A 250V SERVICE MONITOR GREEN Z1C Z2C 73C Z4F NOISE FILTER SiBE31 801 POWER SUPPLY 220 240V 220V 50Hz 60Hz INDOOR UNIT CONTROL BOX NOTES 1
100. In cooling Direct sunlight received Hang curtains or shades on windows In cooling Too many persons staying in a The model must be selected to room match the air conditioning load In cooling Too many heat sources e g OA equipment located in a room 4 Thesystem does The system stops and If the OPERATION lamp on the Normal operation The system will not operate immediately restarts operation remote controller turns ON the automatically start operation after Pressing the TEMP ADJUST system will be normal These a lapse of five minutes symptoms indicate that the button immediately resets the system system is controlled so as not to put unreasonable loads on the System The remote controller displays The system is controlled with Operate the system using the UNDER CENTRALIZED centralized controller Blinking COOL HEAT centralized remote CONTROL which blinks for a display indicates that the system controller period of several seconds cannot be operated using the when the OPERATION button remote controller is depressed The system stops immediately The system is in preparation Wait for a period of approximately after turning ON the power mode of micro computer one minute supply operation The system The remote controller displays The system stops due to an Remove causes of electrical makes malfunction codes U4 and interruption in communication noises intermittent 05 and the system
101. Is the transmission wiring disconnected or wired incorrectly YES T Fix the wiring correctly NO s the centralized remote YES controller or schedule timer displaying a malfunction S a centralized remote controller or schedule timer connected Refer to failure diagnosis for centralized remote controller or schedule timer Is the setting of the unified ON OFF controller s switch for Spring each addres uplicated Are two or more unified NO ON OFF controllers connected Correct the setting of the unified ON OFF controller s switch for setting each address and reset the power supply of the unified ON OFF YES controller Troubleshooting SIiBE31 801 C Troubleshooting OP Unified ON OFF Controller 5 the wiring adaptor for YES electrical appendices connected Cannot be used in combination with a wiring adaptor for electrical NO appendices Remove the wiring adaptor for electrical appendices and reset the power supply for all optional controllers for centralized control simultaneously Is a schedule timer connected Is a parallel interface YES connected Schedule timer and parallel interface cannot be used in combination Disconnect either the schedule timer or parallel interface and reset the power supply for all optional controllers for centralized control simultaneously Is the schedule timer s individual combined connect
102. J High dBA 48 dBA 45 connections Diameter mm Insulation for fitting Clamp metal Notes Nominal cooling capacities are based indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 7 5m horizontal Nominal heating capacities are based on indoor temperature 20 CDB outdoor temperature 7 CDB 6 CWB equivalent refrigerant piping 7 5m horizontal Capacities are net including a deduction for cooling an addition for heating for indoor fan motor heat The external static pressure is changeable change the connectors inside the el compo box this pressure means High static pressure standard Air filter is not standard accessory but please mount it in the duct system of the suction side Select its colorimetric method gravity method 50 or more Sound pressure levels are measured at 220V 39 Specifications SiBE31 801 C Specifications 1 2 TECHNICAL SPECIFICATIONS FXMQ200MAVE FXMQ250MAVE Frequency 50 Voltage 220 240 Current Minimum circuit amps A 8 1 MCA Maximum fuse amps A 15 15 MFA Ful oad amps Minimum 10 Maximum 10 Notes Voltage range units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or Voltage range above listed range limits Instead of a fuse use a circuit bre
103. RETURN BS3 button to Pushing the RETURN 53 button will return the system to the initial condition of determine the setting Setting mode 1 Procedure for checking check items The system is normally set to Setting mode 1 Should the system be set to any mode other than that push the MODE BS1 button to set the system to Setting mode 1 TEST COOL HEAT select select Low Hip Hop IND MASTER SLAVE noise et La Current operating conditions eNormal OAbnormal preparation or in check operation Setting of COOL HEAT selection individual outdoor unit e n a batch of outdoor unit group with master unit batch of outdoor unit group with slave unit Check the system for each condition through LED displays Refer to information in table on the right Low noise operating conditions ein normal operation Oln low noise operation Pushing the RETURN BS3 button will bring the system to the initial state of Setting mode 1 Demand operating conditions ein normal operation Oln demand operation 171 Test Operation SiBE31 801 C Field Setting 5 No Description b Setting mode 2 x n Used to make setting of contents to display on the digital gauges e g pressure sensors andtemperature Cool Heat unified is address Sets address for cool heat unified operation Low noise demand address Address for
104. Schedule timer Micro computer checks if transmission between indoor unit and centralized controller is normal When transmission is not carried out normally for a certain amount of time Malfunction of transmission between optional controllers for centralized control and indoor unit m Connector for setting master controller is disconnected or disconnection of connector for independent combined use changeover switch m Failure of PCB for centralized remote controller B Defect of indoor unit Troubleshooting SiBE31 801 C Troubleshooting Troubleshooting Troubleshooting by Indication on the Remote Controller Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check the indoor unit for which uit is displayed Is the transmission malfunction UE caused on all indoor units NO Is the power supply of the NO t MT indoor unit on which the uc occurred turned ON YES Has the setting of centralized control group No been made with the indoor unit on which the t Mz we occurred NO YES Was the centralized control group No for indoor unit changed NO YES YES Can the setting of centralized control group No be made NO For VRV systems can the setting of centralized control group No be made in one and the same refrigerant system YES YES
105. Troubleshooting by Indication on the Remote Controller 51 1 801 C Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check the LED lamps for Confirmation of malfunction 3 corresponding to the t My malfunction code un and for Confirmation of malfunction 4 in the monitor mode Refer to P 218 219 for how to check Confirmation of Confirmation of malfunction 3 malfunction 4 To Diagnosis Flow 1 Excessive number of indoor units connected Confirmation of Confirmation of malfunction 3 malfunction 4 To Diagnosis Flow 2 Connection of erroneous models of indoor units Confirmation of Confirmation of malfunction 3 malfunction 4 90009909 To Diagnosis Flow 3 Faulty combination of outdoor units Confirmation of Confirmation of malfunction 3 malfunction 4 90060999 To Diagnosis Flow 4 Faulty wiring in units dedicated to multi connections 313 Troubleshooting SIiBE31 801 C Troubleshooting by Indication on the Remote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 1 Confirmation of Confirmation of malfunction 3 malfunction 4 ooeeeeeoocoeoo0 he number of indoor units connected to the refrigerant circuit System should not be more than 64 units
106. WANY NOLLVTIVISNI IHL OL 88488 ZO LO NOISSINSNVELL LLINW HOOGLNO SLHYd TVNOLLdO HOLO3NNOO S3OIA3Q AL34VS HOLOW al HOLINOW 30839 1014 8 24 14 NOISSINSNVHL HOOCLNO HOOGLNO ZA 14 5 HOOCLNO HOOGNI OL 9NIHIM NOLLOANNOO 4 5 43880587 39919 HALTI43SION 512 HOIH HOLIMS 155399 HOLOW 9 1 3snd Noor JHL 1 eei 221 2 1 JHL NISN N3HW M Guoo3uuu3d 29104 29 2 2 5 3unss3ud TdNzS uolovad un 9 v8 SSN 2 qm LINH 3NIVAGION3IOS _ SSA _ HOIH HOSN3S 3Hn SS3Hd StA OLISNOVIN 1 3snd LINA HOOGLLOO 3HL OL ATNO G3r1ddV SI AVHOVIO ONIBIM SIHL L SATWA GION3IOS _ 524 HOLSINYSHL 16u OHI3 Av HH H2M div VSL 41 asna ne nls S31ON SSVdA8 1 GION310S NOLLONS HOLSIWHSHL SZA OLLINOVW H3lV3H SvO LOH JAVA dION31O0S _ SSA 1v3H HOLSINYSHL 14 SSA OILIN VN HSM 3SVOWNVHO JAVA GION31OS anon oxaivaH 1000 809 HOLSINWSHL __19 Av HH HOLIOVdVO 990 99 LYH BATWA AYM SATA GIONSTOS SEA Svo 2 31 3 1000 9
107. YE YES gt Open phase Open phase Normalize field cause NO Fix power supply voltage imbalance Part or wiring defect After turning the power supply YES OFF check and repair the main circuit wiring or parts 1 Loose or disconnected wiring between power supply and inverter 2 K2 contact disposition NO when voltage monitoring is possible fusion or contact is poor No abnormalities are observed in the power supply but the imbalance in voltage recurs Using a device capable of constant recording of power supply voltage record power supply voltage between 3 phases L1 L2 L2 L3 L3 L1 for about one continuous week 3 Loose or disconnected noise filter 1 Measure voltage at the X1M power supply terminal block 2 Measure voltage at connector S T pins of the diode module inside the inverter PCB while the compressor is running Power supply voltage imbalance Even if the power supply voltage is not unbalanced when measuring it there are many cases where it gets unbalanced during nighttime around 6 00PM to 10 00PM measure Replace the inverter PCB Explanation for users accordance with notification of inspection results accompanying spare parts Give the user a copy of it up to him to improve the imbalance notification of inspection results and leave Be sure to explain to the user that there is a power supply imbalance for which DAIKIN is not r
108. t gt 40min Conditions for starting when airflow direction is two way or three way Conditions for starting Temperature is 1 C or less for a total of 15 minutes or 0 C or less for 1 minute continuously 7 0 C u Freeze prevention operation Forced OFF by thermostat 1 min OR 10 min 7 L LN ZEN N 1 C N NS Freeze prevention operation Forced OFF by thermostat ti t2 t3 t4 gt t gt 15min Function 124 Outline of Control Indoor Unit SiBE31 801 9 5 Heater Control Optional PCB KRP1B is required 125 The heater control is conducted in the following manner Normal control While in heating operation the heater control ON OFF is conducted as shown on the right N Set temperature Overload control When the system is overloaded in heating operation the heater will oy A39C be turned OFF in the following two manners 1 The heater control ON OFF is conducted through the liquid pipe temperature R2T of the indoor unit 2 The heater control ON OFF is conducted by converting 50 Liquid pipe temperature 50 60 C Condensing pressure equivalent saturated the heater temperature into temperature the condensing pressure equivalent saturated OFF temperature Tc according to the temperature detection through the high pressure sensor 51 of the outdoor unit Fan residual operation While the heater turns OFF in order to p
109. 022 35NvHO 1SOud30 Nose ys 8 gsnd u3TIOH1NOO 31ON3ti SS3T3HIA T acini NPP ML AR JLN HOLIOVdVO LINN AV 1dSIQ HJAHO3H ME A1ddNS q3u NoIS Y31714 div 31ON ONILLIWA LHOI1 LINN HOOGNI Appendix 383 SiBE31 801 Wiring Diagrams for Reference FXAQ20P 25P 32P 40P 50P 63PV1 667900 Qqasn SNI38 5 55 AHL N3HM Q3 LD3NNOO V8 X NV VSEX VrcX VSLX OLS VIVO 9SNIH33NION3 ANY TVONVIN NOILVTIVLSNI A8 H3TIOHLNOO ALOWSY SS3 IHHIM CNV H3JTIOH INOO 31O0W3H Q3UIM 40 ZSS LSS HOLIMS HO J1O3 13 AHL 135 dO GOHLAW AHL INHIJNOO ONILOANNOO jHOd38 21 VIVO ONIH33NION3 INHIJNOO W31SAS NOIIVNISINOO SHL OL ONIQHOOOV SdlHVA TAGOW HJ TIOHLNOO SALOWAH LINN JHL Q3HOVLIV NOLIVTIVLSNI dH1 OL 83434 NI H3TIOHINOO SLOWSY Q319313S dd NYO NOIIVH3dO dJdO NO HO 540 8 51 S3HIM LOdNI 9NILO3NNOO N3HM S INVNAL LLIN HO3 HOLdYQY HOLO3NNOO gnS NIVW HOLIMS HOLO3 T3S 155 014 0 dNOH9 VSEX 31ON3H SS3T3HIW HOLO3NNOO VtZX HOLIMS IVO 13 HOLO3NNOO VSIX TIOHLNOO 31OIN3H SLYVd IWNOILdO HOLOANNOO JHL OL LI LOANNOO H3TIO
110. 1 2 and according the LED displays shown below LED display O ON OFF 9 Blink 1 H7P H8P Outdoor unit 1 0 000000 Outdoor unit2 Outdoor unit 3 0 0 0 0 Factory setting O Cancel disabling the outdoor unit 1 from operating Set 38 Disable outdoor unit 1 operation of setting mode 2 to OFF LED display O ON OFF 9 Blink Step H1P H7P 1 Press and hold the MODE button 851 for 5 sec or more 2 Press the SET button BS2 38 times oOoeeococe 3 Press the RETURN button BS3 once 4 Press the SET button BS2 once e Factory setting 5 Press the RETURN button BS3 twice 6 Press the MODE button BS1 once 0070000 O Cancel disabling the outdoor unit 2 from operating Set No 39 Disable outdoor unit 2 operation of setting mode 2 to OFF LED display ON OFF 9 Blink Step H1P H7P 1 Press the MODE button BS1 for 5 seconds or more Press the SET button BS2 39 times Press the RETURN button 853 once O000000 S S r Press the SET button BS2 once O e O Factory setting Press the RETURN button BS3 twice O00000 Press the MODE button BS1 once 0070000 O Cancel disabling the outdoor unit 3 from operating Set No 40 Disable outdoor unit 3 operation of setting mode 2 to OFF LED displ
111. 2 make setting of the set item No 32 Setting of alternate demand to Demand 1 2 While in Setting mode 2 select the set item No 30 Setting of Demand 1 level and then set the setting condition to targeted mode 185 Test Operation SiBE31 801 C Field Setting Image of operation in the case of A Power consumption power consumption exero uA cs N ununi The power consumption during 80 of rated power consumption 2 lPemandlevel 1 instructin Demand level 2 instructing Demandlevel3instrucing the demand level 1 70 of rated power consumption GE MC HH ES instructing can be set with the 60 96 of rated power consumption Demand 1 level c M ua Power consumption set by setting Demand 1 level setting sss 70 of rated power consumption has been set at 40 of rated power consumption Forced thermostat OFF factory Fan operation Image of operation the case of B Power consumption When the Normal demand setting is set to ON OFF has been set at Rated power Consumption a utet sete factory the power consumption can be 80 96 of rated power consumption O yO LL set wi
112. 200 hrs 2 500 hrs 10 000 hrs Contamination Heavy 100 hrs 1 250 hrs 5 000 hrs 2 Ultra Long Life Filter Sign Setting When a long life filter or a ultra long life filter is installed the filter sign timer setting must be changed Setting Table First Code No Second Code No Setting 10 20 Ultra Long Life Filter 3 Selection of Thermistor Select the thermistor to control room temperature First Code No Second Code No Thermistor that controls room temperature Room temperature thermistor in remote 01 controller and suction air thermistor for 10 20 indoor unit Suction air thermistor for indoor unit The factory setting for the Second Code No is 01 and room temperature is controlled by the indoor unit suction air thermistor and room temperature thermistor in remote controller For details see the figures below In case that is impossible to install remote controller in the room change the Second Code No to 02 36 x G 32 Suction air Roe De e Suction air 30 thermistor 2 e thermistor T 28 Suction air emperatwr t r Suction air thermistor emote cor thermistor 26 24 22r 20r 21 23 25 27 29 31 33 95 97 Air temperature 32 30 A28 mme ell O 9 26 Heating Suction air Room 277 Suction air 5 24 thermistor ip ef thermistor B Suction air 2 thermistor Suction air D thermistor pAr mote con
113. 211 3 7 Remote Controller Self Diagnosis FUNCTION 211 3 8 List of Malfunction Code 213 4 Troubleshooting by Indication on the Remote Controller 220 4 1 na Indoor Unit Error of External Protection Device 220 4 2 Indoor Unit Defect esses 221 4 3 Indoor Unit Malfunction of Drain Level Control System S1L 222 4 4 55 Indoor Unit Fan Motor M1F Lock Overload 224 Indoor Unit Malfunction of Indoor Unit Fan Motor 226 4 5 RP Indoor Unit Malfunction of Swing Flap Motor M15 230 4 6 55 Electronic Expansion Valve Malfunction Dust Clogging 232 9 Indoor Unit Malfunction of Electronic Expansion Valve Coil 234 4 7 Indoor Unit Drain Level above Limit 236 4 8 Indoor Unit Malfunction of Capacity Determination Device 237 4 9 Indoor Unit Malfunction of Thermistor R2T for Heal EXenangelo ume 238 4 10 7 Indoor Unit Malfunction of Thermistor R3T for Gas Pipes 239 4 11 723 Indoor Unit Malfunction of Thermistor R1T for Suction Air 240 4 12 IR Indoo
114. 410A Type 404 Thermistor Resistance Temperature Characteristics 408 Pressure SON SOM siste um _______ ____ _ 410 Method of Checking the Inverter s Power Transistors and DIGGS WIOGUIICS 411 8 1 Method of Checking the Inverter s Power Transistors and DIJE eeu t LEUTE 411 Part 8 Precautions for New Refrigerant R 410A 413 1 Precautions for New Refrigerant R 410A 414 S OI ETE UL 414 1 2 Refrigerant Cylinders 416 129 sdr 417 Table of Contents SIBE31 801 Introduction 1 Introduction 1 1 Safety Cautions Cautions and m sure to read the following safety cautions before conducting repair work Warnings B The caution items are classified into Warning and Caution The N Warning items are especially important since they can lead to death or serious injury if they are not followed closely The Caution items can also lead to serious accidents under some conditions if they are not followed Therefore be sure to observe all the safety caution items described below B About the pictograms IN This symbol indicates an item for which caution must be exercised The pictogram shows the
115. 5 consecutive seconds or that of Disconnected compressor wiring 16 1A or more continues for a period of 260 Faulty inverter PCB consecutive seconds The inverter loses synchronization Faulty inverter PCB No output is given e Faulty heavy current part of compressor Faulty startup of inverter e The compressor motor fails to start up Liquid sealing or faulty compressor compressor Excessive oil or refrigerant Faulty inverter PCB E Inverter compressor lock The compressor is in the locked status does Faulty compressor not rotate Radiator fin temperature rise The radiator fin temperature reaches 93 or Malfunction of fan more while in operation e Running in overload for an extended period of time e Faulty inverter PCB Power supply voltage error e The inverter power supply voltage is high or Power supply error low e Faulty inverter PCB Imbalanced power supply Power supply voltages get significantly Power supply error imbalanced imbalanced among three phases voltages of 296 or more e Faulty inverter PCB Dead inverter PCB Transmission error between e With the outdoor unit PCB no e Broken wire in communication inverter PCB and control PCB communications are carried out across control line PCB inverter PCB fan PCB e Faulty control PCB e Faulty inverter PCB Faulty fan PCB PJ PCB mismatching Any PCB of specification different from that of PCB of different specification
116. 5906 JO 1noxoe q esoo eseud pasJaAd Aigissod ay sisixe 1 U J LL SHUN senes ui pejoeuuoo si y z LIN Uey eq 15 LINN JO Ayoedeo OL SeoJnos Jamod qjueuudinboe y Jo pesueoi Aq eq sjueuoduuoo pue iv S S sisuoo uu s s siu esneoeq ue ui seoJnos JAMO y e 1dnuJedur UBD ey YOWMS jesu 6 10 JexeoJq p jueuudinbo BSN eui pue uoiws eui jjejsur eans eg 8 ees sjrejep 10 sv ouioeds juo sjojonpuoo 1eddoo esf 2 10 5 40 JO pue juo uonoeuuoo jo siuriod ejeue unim Z Sepoo pue y Sepoo pue 850 ejqeoidde ui eq jjeus yun 9 snuu lis eui uo panood eq pue sjueuoduJoo Appendix Wiring Diagrams for Reference 51 1 801 C 2 3 Indoor Unit FXFQ20P 25P 32P 40P 50P 63P 80P 100P 125P8VEB 20 125 CLASS cA 1 24 2 HO5VV U3G2 5 Indoor F2U
117. 7 8 Piping between refrigerant branch kits e Choose from the following table in accordance with the total capacity type of all the indoor units connected downstream e Do not let the connection piping exceed the main refrigerant piping size Part A If the piping size selected from the following table exceeds the piping size of part A decide the piping size in either of the following methods 1 Reduce the size of the connection piping to the piping size of part A 2 Replace the piping of part A with piping that is a size larger see the table in Note 1 so that it will be the same as the size of the connection piping unit mm Piping size O D lt 290 lt x lt 420 428 8 012 7 2 420 lt lt 640 a Indoor capacity index 09 5 Piping between branch kit and indoor unit e Match to the size of the connection piping on the indoor unit unit mm Piping size O D Equalizer pipe part D multi outdoor unit system Indoor unit capacity type unit mm Piping size O D 019 1 Temper grade O type and 1 2 type indicate the material type sac in JIS H REM E x Wall thickness Appendix 51 1 801 C Example of Connection R 410A Type How to calculate the additional refrigerant to be charged Total length m Total length m FOR THE SYSTEM Additional refrigerant to be charged R kg o
118. CWB Equivalent piping length 7 5m level difference 0m Function unit 6m 4 Displacement value are at nominal capacity 5 Motor output are nominal 11 Specifications SiBE31 801 C Specifications Model Name RTSYQ20PY1 Independent Unit FecionU Hermetically Sealed Scroll Type 16 9 13 72 10 53 16 9 nS 7980 6900 2900 7980 UTE Soft Stan Propeller Fan 0 75 lt 1 0 75x1 185 200 Drive Direct Drive Connecting 015 9 C1220T Brazing Connection Pipes 028 6 C1220T Brazing Connection 019 1 C1220T Brazing Connection 205 257 110 63 High Pressure Switch Fan Driver Overload Protector Overcurrent Relay Inverter Overload Protector Deer 6 100 RATOA Refrigerant 9 4 10 9 Electronic Expansion Valve Refer to the nameplate of compressor Installation Manual Operation Manual Connection Pipes Clamps C 4060780 Notes 1 Indoor temp 27 CDB 19 CWB Outdoor temp 35 CDB Equivalent piping length 7 5m level difference kcal n kWx860 E D Aa Btu h kWx3412 cfm m minx35 3 x2 Indoor temp 20 CDB Outdoor temp 7 6 CWB Equivalent piping length 7 5m level difference 0m Function unit 6m 3 Indoortemp 20 CDB Outdoor temp 10 CWB Equivalent piping length 7 5m level difference 0m Function unit 6m 4 Displacement value are at nominal capacity 5 Motor output are nominal Specifi
119. Detection from the RPM of the fan motor in operation Detection Detection from the position signal of the fan motor Detection from the current flow on the fan PCB when the fan motor starting operation Malfunction An overcurrent flows Decision The RPM is less than a certain level for 6 seconds Conditions m A position error in the fan rotor continues for 5 seconds or more B An overcurrent flows Supposed B The clogging of a foreign matter Causes m The disconnection of the fan motor connectors X1A and X2A m The disconnection of the connectors between the indoor PCB A1P and fan PCB A2P m Afailure in fan PCB A2P B Afailure in the fan motor 227 Troubleshooting SIiBE31 801 C Troubleshooting by Indication on the Remote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Turn off the power and wait for 10 minutes Troubleshooting YES There is a foreign matter around the fan NO The fan motor connectors and X2A of the fan PCB A2P are disconnected YES NO The connectors between the indoor PCB A1P and the fan PCB A2P are disconnected YES NO The fuse F3U white on the fan PCB A2P has no continuity NO YES The fan can be moved lightly by hand after the fan motor connector of the fan PCB A2P is removed NO YES
120. First No Second Code No Individual operation of humidifier Interlocked operation between humidifier and drain pump 22 Individual Setting of Ventilation This is set to perform individual operation of heat reclaim ventilation using the remote controller central unit when heat reclaim ventilation is built in Switch only when heat reclaim ventilation is built in First Code No Second Code No O ___ ___ _ 15 25 5 02 Individual operation of ventilation Test Operation 160 Field Setting SiBE31 801 3 1 7 Centralized Control Group No Setting BRC1E Type In order to conduct the centralized remote control using the centralized remote controller and the unified ON OFF controller Group No settings should be made by group using the operating remote controller Make Group No settings for centralized remote control using the operating remote controller 1 Basic screen 1 Press and hold Cancel button for 4 seconds or more Field setting menu in displayed Cool Set temperature 538 292 2 lt Field setting menu screen gt 2 Select 20101 the field setting menu and press Field setting Test operation ON OFF Menu Enter button Register Service Contract Field setting list Group No setting screen is displayed Group No setting Indoor unit Airnet No set Outdoor unit Airnet No set Return Setting 3 Group No setting 3 Select Group No setting Group
121. HOS 14409 YIMOd 801238800 92 391440 9NISN3S 1N3dufo od 5399 TWNOILdO HOLO3NNOO 139900 HOISIS3H dev 4 19905 d3MOd ONIHOLIMS Sd dNNd 83113 3510 412 267 3409 522 8313 3510 217 HOLOW HOLOWSY JLN dll AVI38 9LL3NO VIA 3AWA NOISNVdX3 JINOUI0313 dIHLS WWNINYILINZX AVT38 9LL3NO VIA N33 9 HOLINON 391939 1000 19911 dVH A1ddfS HAMOd 41815 TVNIAHSLLIN LX v 9 1 3504 Avs v 9 J 3504 Nes JINON d3MOd HcA 390148 3d0lQ HLEA WS 1 3905 1 3504 HOLIMS 1014 115 YOLIOVdVO 801 LNSHHN9 QIN HOLSINYSHL 199 uiv 398VHOSIQ HOISINH3HI 1 quvog LINDY 670 HOLSINHSHL LEH INI HOLSINHSHL LOH dayog 31NIdd L FH LINN 8000 Appendix 381 SiBE31 801 Wiring Diagrams for Reference FXMQ200MA 250MAVE 212966006 382 HOS SS HOLIMS 39NVHO NOILVH3dO d S 3 HDIH ISYONI 8 H4gddOO ASN 2
122. In case of single outdoor unit system In case of multi outdoor unit system _ Note 2 Allowable length after the first refrigerant branch kit to indoor units is 40m or less however it can be extended up to 90m if all the following conditions are satisfied Required Conditions Example Drawings case of Branch with REFNET joint 1 It is necessary to increase the pipe size if the pipe length between the c d e f g h q lt 90m first branch kit and the final branch kit is over 40m Reducers must be increase the pipe size of c d e f g h procured on site If the increased pipe size is larger than main pipe size then increase the main pipe size to the same pipe size 2 For calculation of Total extension length the actual length of above 2 2 2 2 2 pipes must be doubled except main pipe and the pipes that are not hx2 i Jj k m n p q lt 50 Outdoor unit Function unit REFNET joint increased E 3 Indoor unit to the nearest branch kit 40 m p q lt 40 m 4 The difference between The farthest indoor unit Outdoor unit to the farthest indoor unit and Outdoor unit to the The nearest indoor unit nearest indoor unit lt 40m a b c d e f g h q a b i lt 40m Increase the pipe size as follows 09 5 gt 12 7 015 9 019 1 022 2 25 4 034 9 38 1 012 7 015 9 019 1 gt 22 2 028 6 031 8 available on the site use this size Otherwise it can not be increased
123. LLLI TERMINAL CONNECTOR TO OUTDOOR UNIT 2 FIELD WIRING 3 THIS WIRING DIAGRAM ONLY SHOWS THE BEV UNIT SEE THE WIRING DIAGRAMS AND INSTALLATION MANUALS FOR THE WIRING AND SETTINGS FOR THE INDOOR OUTDOOR AND BS UNITS SEE THE INDOOR UNIT S WIRING DIAGRAM WHEN INSTALLING OPTIONAL PARTS FOR THE INDOOR UNIT ONLY ONE INDOOR UNIT MAY BE CONNECTED TO THE BEV UNIT SEE THE INDOOR UNIT S WIRING DIAGRAM FOR WHEN CONNECTING THE REMOTE CONTROL ALWAYS USE THE SKY AIR CONNECTION ADAPTER FOR THE INDOOR UNIT WHEN USING A CENTRAL CONTROL UNIT REFER TO THE MANUAL ATTACHED THE UNIT WHEN CONNECTING COOL HEAT CHANGEOVER OF INDOOR UNITS CONNECTED TO BEV UNIT CANNOT BE CARRIED OUT UNLESS THEY ARE CONNECTED TO BS UNIT IN CASE OF A SYSTEM WITH BEV UNIT ONLY COOL HEAT SELECTOR IS REQUIRED SET THE SS1 TO M ONLY FOR THE BEV UNIT CONNECTED TO THE INDOOR UNIT WHICH IS TO HAVE COOL HEAT SWITCHING CAPABILITY WHEN CONNECTING THE BS UNIT THE M S ON THE 551 STANDS FOR MAIN SUB THIS IS SET TO S WHEN SHIPPED FROM THE FACTORY CONNECT THE ATTACHED THERMISTOR TO THE R3T SYMBOLS SHOW AS FOLLOWS BLU BLUE RED RED WHT WHITE BLK BLACK 3D044901B Appendix SiBE31 801 FXMQ125MF 200MF 250MFV1 POWER SUPPLY 50Hz 220 240V IN CASE OF FXMQ 200 250MFV1 RED Wiring Diagrams for Reference CONTROL BOX
124. Method of Malfunction is detected from current flowing in the power transistor 32 3 A Malfunction Detection Malfunction When an excessive current flows in the power transistor Decision Instantaneous overcurrent also causes activation Conditions Supposed m Defect of compressor coil disconnected defective insulation Causes Compressor start up malfunction mechanical lock Troubleshooting B Defect of inverter PCB 278 Troubleshooting by Indication on the Remote Controller Troubleshooting 279 Compressor inspection SiBE31 801 Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check if the stop valve is open YES NO Check if the compressor lead wires are normal ES NO Check if the wiring and connection to the compressor are normal YES NO Power OFF Insulation resistance of the compressor is 100 kQ or below YES NO Compressor coils YES are disconnected NO CHECK 46 Check if the power transistor is normal NO YES Failure occurs again NO after restarting the unit YES Gal SO md Referring to the information on P 341 Open the stop valve Replace the compressor lead wires Correct the wiring and connection Replace the inverter compressor Replace the inverter compressor Replace the inverter PCB 4 Conti
125. Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting gt N A wi a gt Centralized remote controller Schedule timer intelligent Touch Controller Detect the malfunction according to DIII NET transmission data The system will be automatically reset When no master controller is present at the time of the startup of slave controller When the centralized controller which was connected once shows no response Malfunction of transmission between optional controllers for centralized control B Defect of PCB of optional controllers for centralized control Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Were any changes made to the number of units of centralized controller The centralized controller was connected once and then disconnected or additional centralized controller was installed YES Heset the power supplies of every centralized controller NO ave power supplies to every centralized controller been turned NO Turn ON the power supply of the centralized controller YES NO Nothing is displayed on the YES LCD by Is the display of LCD OK Touch Controller 4 Replace the intelligent Touch Controller YES NO Has the Reset switch located inside of equipment
126. No and select the INDOOR UNIT NO to be set This operation is unnecessary when setting by group Push the 859 BUTTON 5 set A and select FIRST CODE NO Push the 8510 BUTTON 6 set B and select SECOND CODE NO Push the 857 BUTTON 7 set cancel once and the present settings are SET Push the BS6 BUTTON 8 field set to return to the NORMAL MODE Example If during group setting and the time to clean air filter is set to FILTER CONTAMINATION HEAVY SET MODE NO to 10 FIRST CODE NO to 0 and SECOND CODE NO to 02 Test Operation SiBE31 801 C Field Setting 3 1 4 Setting Contents and Code No VRV Indoor unit VRV First Setting Contents Second Code No Note 3 Details system No code 02 N indoor Note 2 No 0 H d s 10 20 Filter contamination heavy Ultra Light Approx f Heavy Approx 1 9 light Setting for display long life 10 000 5 000 time to clean air filter filter hrs hrs Sets display time to clean air filter to half when there is Long life Pv heavy filter contamination hie his Standard Approx Approx filter 200 hrs 100 hrs Long life filter type Long life filter Ultra long life filter poc I 2 Room temperature thermistor in Hemote Only body Only remote 3 remote controller controller Body thermostat controller thermostat thermostat 3 Display time to clean air filter Display No display 4 calculation S
127. On Make field settings with outdoor unit PCB Reference lt RTSYQ10P gt Switch box Outdoor unit Function unit Test Operation lt RTSYQ14 16P gt Test Operation O Be sure to turn the power on 6 hours before starting operation to protect compressors to power on crankcase heater O Check to be sure the transmission is normal The transmission is normal if the LEDs display conditions as shown in table below LED o O ON OFF Blinking icro COOL HEAT select HEAT select LED display MODE TEST sd Demand Multi Default status 02818101 IND MASTER SLAVE 19186 before delivery monitor wage outdoor unit system The master unit is the outdoor unit to which the transmission wiring for the indoor units is connected The other outdoor units are slave units O Make field settings if needed For the setting procedure refer to information in 3 2 Field Setting from Outdoor Unit on page 166 onward For the outdoor multi system make field settings with the master unit Field settings made with the slave unit will be all invalid lt RTSYQ20P gt Outdoor unit Function unit Outdoor unit 2 Function unit Master or slave Master or slave Outdoor unit 1 132 Test Operation Inside of the switch box SiBE31 801 L 17 INT 22 It i
128. Operation 88 5 3 Startup Control of Function Unit only for heating operation at low outdoor air temperature 89 6 Normal uu 90 6 1 List of Functions in Normal Operation 90 6 2 ompressSor 91 6 3 Electronic Expansion Valve PI Control 94 64 Outdoor Unit Far Control ku e Etha e esi ci le divin ER 95 6 5 Control for Cooling Operation at Low Outdoor Air Temperature 95 6 6 Control for Heating Operation at Low Outdoor Air Temperature 96 6 7 Retrigerant Flow Rate er Reese tus 97 75 iere 98 7 1 High Pressure Protection Control 98 7 2 Low Pressure Protection Control 100 7 3 Discharge Pipe Protection Control 102 7 4 Jverter Protection ebat tb 103 75 STD Compressor Overload 104 7 6 Cooling Fan Control for Radiation Fin Temperature of Function Unit 104 7 7 Heater Control for Function Unit Switch Box
129. PCB A1P Refer to Thermistor Resistance Temperature Characteristics table on P 408 269 Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 33 Outdoor Unit Malfunction of High Pressure Sensor Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting gt RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit Malfunction is detected from the pressure detected by the high pressure sensor When the high pressure sensor is short circuit or open circuit Not less than 4 22MPa or 0 01MPa and below Defect of high pressure sensor system Connection of low pressure sensor with wrong connection Defect of outdoor unit PCB A1P Defective connection of high pressure sensor 270 Troubleshooting by Indication on the Remote Controller 51 1 801 C Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Confirm which high pressure sensor is abnormal using outdoor unit monitor mode Refer to P 216 217 1 Set the high pressure gauge upright 2 Connect the checker for VRV to the gauge Are the characteristics of the high pressure sensor normal Make a comparison between the voltage characteristics 2 and the gauge pressure NO Replace the high pressure se
130. PCB of the outdoor unit Diagnosis Flow 10 Confirmation of Confirmation of malfunction 3 malfunction 4 ooeeeeojooooeo0 Two or more function units are connected Check for the connection Only one function unit can be connected Replace the main PCB of the outdoor unit Diagnosis Flow 11 Confirmation of Confirmation of malfunction 3 malfunction 4 iis Replace the main PCB of the outdoor unit Model name is RTSYQ20P YES RTSQ8P and RTSQ12P are NO multi connected Connect them correctly YES Replace the main PCB of the outdoor unit 309 Troubleshooting SiBE31 801 C 4 51 Ug Troubleshooting by Indication on the Remote Controller Indoor Unit Malfunction of Transmission between Main and Sub Remote Controllers Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting e ep i gt All indoor unit models In case of controlling with 2 remote controller check the system using micro computer if signal transmission between indoor unit and remote controller main and sub is normal Normal transmission does not continue for specified period B Malfunction of transmission between main and sub remote controller B Connection between sub remote controllers B Defect of remote controller PCB Be sure
131. Parts BRC1E51 BRC7C528W AC 220 240V 50Hz 1090W Thermal protector 130 C OFF AC220 240V 50Hz PJV 1426 MT8 L 3PA07572 1 AC200 240V ST8601 1 04 L 250 20kQ 25 C ST8602A 4 6 L 800 20kQ 25 C FS 0211B 1045W Thermal protector 130 C 83 C ON FXMQ125MFV1 FXMQ200MFV1 FXMQ250MFV1 BRC1E51 AC200 240V 50Hz 10380W Thermal protector 135 C OFF 87 C ON 10u F 400V Body VPV 603D Coil NEV MOAJ532C1 AC220 240V ST8601 13 64 L 630 20kQ 25 C ST8605 6 8 L 1250 20kQ 25 C ST8602A 2 06 L 1250 20kQ 25 C ST8605 8 L 2000 20kQ 25 C Option 250V 5A 5 2 TR22H21R8 10u F 400Vx2 400 Option List SiBE31 801 4 Option List 4 1 Option List of Controllers Operation Control System Optional Accessories Type FXDQ NB FXLQ MA Remote BRC7F634F BRC7E530 BRC7C62 BRC4C61 BRC4C65 BRC4C62 BRC7C528W BRC4C62 BRC4C65 BRC7E63W BRC7E618 BRC4C62 controller BRC1E51 2 Wired remote controller with weekly schedule timer BESTES Simplified remote Note 8 Note 8 Note 8 Remote controller for 5 Adaptor for wiring 1082 1 57 KRPTB6T KRPIB6I xKWPiCR KHRP1C3 KRP1B01 _4 Wiring adaptor for electrical appendices 1 2 62 2 526 XKRP2A61 KRP2A61 XKRP2A53 KRP2A51 KRP2A62 KRP2A61 KRP2A61 xKRP2A62 2 61 KRP2A61 o Wiring adaptor for
132. Replace the indoor unit PCB Is indoor outdoor and outdoor outdoor unit transmission wiring normal After fixing the incorrect wiring push and hold the RESET button on the master outdoor unit PCB for 5 YES seconds The unit will not run for up to 12 minutes Wiring check operation may not have been carried out successfully Wiring check operation may not be successful if carried out after the outdoor unit has been off for more than 12 hours or if it is not carried out after running all connected indoor units in the fan mode for at least an hour 320 Troubleshooting by Indication on the Remote Controller 51 1 801 C 4 57 Malfunction of System Refrigerant System Address Undefined Id Remote Controller Display Applicable All models of indoor units Models RTSQSP 16P Outdoor Unit Method of Detect an indoor unit with no address setting Malfunction Detection Malfunction The malfunction decision is made as soon as the abnormality aforementioned is detected Decision Conditions Supposed Improper connection of transmission wiring between indoor outdoor units and outdoor Causes outdoor units B Defect of indoor unit PCB m Defect of outdoor unit main PCB A1P or A3P 321 Troubleshooting SiBE31 801 C Troubleshooting Troubleshooting Troubleshooting by Indication on the Remote Controller Be sure to turn off power switch before connect or disconnect connecto
133. SS1 been set to the Normal side Set the Reset switch located inside of equipment 551 been set to the Normal side YES Replace the centralized controller CHECK 7 Check if the unit indicating rir has no broken of wiring Abnormal Correct the wiring Some centralized controller gets faulty Conduct RUN STOP operations on every centralized controller and then replace the centralized controller that cannot control the indoor unit Normal 1 Display screen control using intelligent Touch Controller When the screen displays nothing by touching the screen adjust the contrast volume 2 150 94 Referring to the information on P 344 324 Troubleshooting OP Centralized Remote Controller SiBE31 801 C 5 3 Ma Improper Combination of Optional Controllers for Centralized Control Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes 325 al NAG Centralized remote controller intelligent Touch Controller Schedule timer Detect the malfunction according to DIII NET transmission data When the schedule timer is set to individual use mode other central component is present When multiple master controller are present When the remote control adaptor is present improper combination of optional controllers for centralized control B More than one master controller is conne
134. Setting procedure Setting x ip External control Operate with power Set the setting item No 32 to Level1 of approx 60 or Demand 1 and the setting item less of the rating Short circuit No 30 to Level 1 Operate with power between 1 and Set the setting item No 32 to Demand 1 Level2 of approx 70 or of the Demand 1 and the setting item less of the rating terminal block No 30 to Level 2 Operate with power TeS1 Set the setting item No 32 to Level of approx 80 or 1 and the setting item less of the rating No 30 to Level 3 Operate with power Short circuit C Demand 2 of approx 40 or between 2 and em B2 To less of the rating C i Short circuit Operate with forced n A When the demand operation is carried out by external contacts with the use of the external control adaptor for outdoor unit 1 Connect the external adaptor of the outdoor unit and then connect to the terminal block TeS1 by the external input if necessary 2 While in Setting mode 2 set the setting condition for set item No 12 Setting of external low noise demand operation to YES If necessary while in Setting mode 2 select the set item No 30 Setting of Demand 1 level and then set the setting condition to targeted mode B When the Normal demand operation is carried out Use of the external control adaptor for outdoor unit is not required 1 While in Setting mode
135. Temperature Characteristics table on P 408 263 Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 27 5 Outdoor Unit Malfunction of Temperature Sensor for Heat Exchanger Gas R2T Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting nd L1 RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit Detect malfunction based on the temperature detected by each thermistor In operation when a thermistor is disconnected or short circuits B Defective connection of thermistor Defective thermistor Defective outdoor unit PCB Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Connector is connected to X30A of outdoor PCB A1P Connect the connector and turn on again Resistance is normal when measured after disconnecting the thermistor R2T from the outdoor unit PCB 1 8kQ to 800kQ Replace the thermistor R2T Replace the outdoor unit PCB A1P Refer to Thermistor Resistance Temperature Characteristics table on P 408 264 Troubleshooting by Indication on the Remote Controller 51 1 801 C 4 28 25 Outdoor Unit Malfunction of Thermistor R8T for Suction Pipe Remote Controller Display Applicable Models Method of Malfunctio
136. The resistance between the power wire terminals of the fan motor and motor frame metal part is 1 or below YES NO Remove the power wire connector from the fan motor and measure the resistance between U and V V and W and W and U phases 1 Remove the foreign matter Connect correctly Connect correctly Replace the fan PCB A2P Replace the fan motor Replace the fan motor 228 Troubleshooting by Indication on the Remote Controller 3 The resistors among U V Yes and W are unbalanced or short circuited NO Remove the signal connector from the fan motor and check the resistance 2 Between Voc and GND terminals and between GND and Hw Hv or Hu terminals are short circuited YES NO Turn on the power The HAP lamp of the indoor PCB A1P blinks and the HAP lamp of the fan PCB A2P is off YES SiBE31 801 C Replace the fan motor Replace the fan motor Replace the fan PCB A2P Replace the fan motor 1 Measurement of power wire connector Hemove the X1A connector from the fan PCB A2P and measure the resistance between the U and V V and W and W and U phases of the motor connector with five conductors and check that each phase are balanced within a permissible dispersion range of 20 2 Measurement of signal wire connector Remove the X2A connector and measure the resistance between GND and
137. Touch remote ON OFF Touch remote OFF Controller controller controller Controller controller controller Only a single unit 102 Provided units Others Not pe Pattern Intelligent Centralized Unified Schedule timer Schedule timer Not a 1108 single All Not 1102 units Provided provided units Others Not provided units 8 Not provided single unit 1 to 16 Provided 10 units 1 unit Others Not Not provided provided Ur LL Provided 1 The intelligent Touch Controller and the schedule timer are not available for combined use 2 The intelligent Touch Controller centralized remote controller and the unified ON OFF controller have been set to Provided with the master unit central setting connector at the factory The schedule timer has been set to Not provided with the master unit central setting connector at the factory which is attached to the casing of the main unit 345 Troubleshooting SiBE31 801 C Troubleshooting Heat Reclaim Ventilation 1507 Master Slave Unit Setting Table Combination of intelligent Touch Controller and Centralized Remote Controller Pattern Is E Save intelligent ae Touch Master Touch Slave Controller Controller intelligent Master Touch Slave Controller intelligent Touch Master Slave Controller C
138. Vcc Hw Hv or Hu terminals of the motor connector with five conductors Connector power wire use X14 u 4 O 3White v 2 1 w 229 Connector signal wire use X2A 5 Gray O GND 4 Pink O Vcc 3 Orange O Hw 2 Blue O Hv 1 Yellow O Hu Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 5 5 Indoor Unit Malfunction of Swing Flap Motor 15 Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting e i a FXCQ FXHQ FXKQ Utilizes ON OFF of the limit switch when the motor turns When ON OFF of the micro switch for positioning cannot be reversed even though the swing flap motor is energized for a specified amount of time about 30 seconds Error code is displayed but the system operates continuously Defect of swing motor Defect of connection cable power supply and limit switch Defect of airflow direction adjusting flap cam Defect of indoor unit PCB 230 Troubleshooting by Indication on the Remote Controller 51 1 801 C Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred NO Is power supply 220 240V provided ES Provide 220 240V power supply Indoor unit is a model NO equipped wi
139. and signal wire are red in the PCB side and white in the motor side Relay connectors have any connection YES Correct the connection of the relay connectors NO Troubleshooting 252 Troubleshooting by Indication on the Remote Controller Troubleshooting 253 No continuity of fuse FIU on the fan inverter PCB YES NO Unable to rotate the fan manually with ease when removing the connector of the fan motor YES NO Resistance value between power supply wire terminal of fan motor and the motor frame metal is 1MQ and below NO 68 01 Referring to the information on P 339 Check fan motor connector power supply wire YES The resistance value between UVW phases of fan motor is out of balance or short circuit between YES NO Referring to the information on P 339 Check fan motor connector signal wire The signal wire short circuits between Vcc and GND and between UVW and GND YES Put the power supply ON to check the following LED lamps 1 HAP lamp on the compressor PCB A4P 2 HAP lamp on the fan inverter PCB A5P lamp for the 5 does not blink on the condition that HAP lamp for 4 is blinking YES NO SiBE31 801 Replace the fan inverter PCB Replace the corresponding fan motor Replace the corresponding fan motor Replace the corresponding fan mo
140. blasting operation even if it is set to cooling or heating operation and the remote controller displays UNDER CENTRAL CONTROL In heating operation when the room temperature reaches the set degree the outdoor unit will stop while the indoor unit is brought to fan LL operation so that no one gets cold air Furthermore if fan operation mode is selected when other indoor unit is in heating operation the system will be brought to fan LL operation The fan LL operation is also enabled while in oil return mode in cooling operation Automatic control Uneven temperature distribution due to heavy stain of the inside of the indoor unit Hot gas refrigerant flown in the indoor unit results to be vapor from the unit Defrosted moisture turns to be vapor and comes out from the units These are operating sounds of the electronic expansion valve of the indoor unit These sounds are produced from gas refrigerant flowing respectively through the indoor and outdoor units These sounds are produced when the gas refrigerant stops or changes flowing These sounds are produced from the drain discharge device in operation These sounds are produced from resin parts expanding and contracting with temperature changes On VRV systems these sounds are produced when other indoor units in operation The reason is that the system runs in order to prevent oil or refrigerant from dwelling Normal operation
141. box for a period of 10 minutes after turning OFF the power supply 2 After opening the lid of the switch box make measurement of voltage between the terminals of the power supply terminal block by the use of a multiple meter Then make voltage measurement in the points shown in the figure on the following page by the use of a multiple meter to ensure that the voltage of the main circuit capacitor is not more than 50VDC 3 To prevent a failure of PCBs be sure to touch the ground terminal in the switch box by hand right before disconnecting and connecting a connector to eliminate static electricity from the body 4 Disconnect the junction relays X1A X2A X3A and X4A X3A and X4A are only equipped on systems with two outdoor units from the outdoor unit fan motors and then commence service work When disconnecting the junction connectors pay careful attention not to touch a live part Rotating the outdoor unit fan due to the strong wind may store electricity in the main circuit capacitor thus resulting in an electric shock 197 Troubleshooting SIBE31 801 Check Items for Service 5 After the completion of service reinstall the junction connectors to the outdoor unit fans e The malfunction code E7 is displayed on the remote controller to disable normal operation To connect the connectors refer to information in Section 2 Wiring Diagrams Multiple meter 1 2 4 Precautions fo
142. closed due to the overload control i Frequency comes to the minimum level HP is maintained I at a constant level High pressure I HP drops or rises immediately after the overload control is complete Low pressure js LP rises due to reduced frequency LP drops due to closed outdoor unit electronic expansion valve Frequency for LP protection i e hunting at LP i Hot gas bypass is activated I I I To maintain HP frequency reduces under the capacity control Degree of overcharge Proper quantity Higher degree of overcharge Troubleshooting 348 Troubleshooting Heat Reclaim Ventilation SiBE31 801 C Check for shortage of refrigerant In case of VRV Systems the only way to judge as the shortage of refrigerant is with operating conditions due to the relationship to pressure control and electronic expansion valve control As information for making a judgement refer to information provided below Diagnosis of shortage of refrigerant 1 The superheated degree of suction gas rises Consequently the compressor discharge gas temperature becomes higher 2 he superheated degree of suction gas rises Consequently the electronic expansion valve turns open 3 Low pressure drops to cause the unit not to demonstrate cooling capacity heating capacity The opening degree of the indoor unit electronic expansion valve becomes larger
143. e e 2 Close valve A and replace the empty cylinder After replacing the cylinder open valve A again and continue the work the outdoor cylinder unit will not stop operating 5 Close valve A immediately recharge Restart the automatic charging procedure again operation Close valve A immediately Check following items Check if the high pressure low pressure gas pipe nm suction gas pipe and liquid pipe stop valves are opened correctly charge hold Check if the valve of the refrigerant cylinder is opened After correcting the Check if the air inlet and outlet of the indoor unit are abnormality restart the not obstructed automatic charging Close valve A immediately Confirm the malfunction Procedure again code by the remote controller and correct the abnormal abnormality by following the Correcting after stop abnormal completion of the check operation on page 145 1 3 4 Procedure for Inputting the Additional Refrigerant Charge Weight into the PCB Availability of the leak detection function feature requires input of the additional refrigerant charge amount immediately after finishing the automatic charging The input must be executed before performing the test operation If a wrong value is input for the additional charged refrigerant weight the accuracy of the leak detection function will decrease Procedure 1 Close the electric box lid and all front pan
144. electrical appendices 2 XKRP4AA53 XKRP4A536 XKRP4A51 KRP4A51 XKRP4A54 KRP4A51 XKRP4A53 KRP4A51 XKRP4AA51 XKRP4A52 XKRP4A51 KRP4A51 KRCS014B KRCS01 1 KRCS01 1 501 1 KRCS01 4B 501 1 Installation box for Note 2 3 Note 4 6 Note 2 3 Note 4 6 KRP1B97 Note 5 Note 2 3 Note 3 Note 2 3 adaptor PCB KRP1H98 KRP1BA101 KRP1B96 KRP1B101 KRP4A91 KRP4A96 KRP1C93 KRP4A93 EX po e DCS302CA61 xDTAI04A52 DCS302CA61 DTA104A61 DCS302CA61 El compo box with earth terminal 3 blocks SSS ens Unified on off controller DCS301BA61 El compo box with earth terminal 2 blocks Noise filter for electromagnetic interface use only KEK26 1A Schedule timer DST301BA61 o DSTSOfBA6d External control adaptor for outdoor unit Must be installed on indoor units DTA104A62 DTATO4AS2 DTATO4AGT DTA104A53 DTA104A61 DTA104A62 DTAi04A61 DIA104A61 13 Interface adaptor for Note 7 SkyAir series DTA102A52 Note Installation box No 8 is necessary for each adaptor marked x Up to 2 adaptors can be fixed for each installation box Only one installation box can be installed for each indoor unit Up to 2 installation boxes can be installed for each indoor unit Installation box No 8 is necessary for second adaptor Installation box No 8 is necessary for each adaptor This adaptor is required when connecting with optional controller for c
145. es 263 4 27 Outdoor Unit Malfunction of Temperature Sensor for meat Exchanger Gas AZM uu uu u uuu kuu osa i 264 Table of Contents SiBE31 801 Table of Contents 4 28 45 Outdoor Unit Malfunction of Thermistor R8T for SUCHO PIDO S atat iuo MN IRI RE i EE 265 4 29 Outdoor Unit Malfunction of Thermistor RAT for Outdoor Unit Heat Exc chang er uu U nennen 266 4 30 Outdoor Unit Malfunction of Liquid Pipe Thermistor 1 gin MC HTTP 267 4 31 Outdoor Unit Malfunction of Liquid Pipe Thermistor 2 R7T 268 4 32 4 Outdoor Unit Malfunction of Subcooling Heat Exchanger Gas Pipe Thermistor R5T 269 4 33 Outdoor Unit Malfunction of High Pressure Sensor 270 4 34 sf Outdoor Unit Malfunction of Low Pressure Sensor 272 4 35 L Outdoor Unit Defective Inverter 274 4 36 Outdoor Unit Malfunction of Inverter Radiation Fin Temperature 276 4 37 5 Outdoor Unit Momentary Overcurrent of Inverter Compressor 278 4 38 5 Outdoor Unit Momentary Overcurrent of Inverter Compressor 280 4 39 4 9 Outdoor Unit Inverter Compressor Starting Failure 282 4 40 Outdoor Unit Malfunction of Transmission between
146. expansion valve coil Remove the connector for electronic expansion valve X7A from PCB Measure the resistance value between pins and check the continuity to judge the condition 1 White White 1 01 2 Yellow Red 5 3 3 Orange Orange 3 4 Blue 02 94 Yellow Brown Blue 5 Red 2 6 4 6 Brown The normal products will show the following conditions 1 No continuity between 1 and 2 2 Resistance value between 1 an 3 Resistance value between 1 an 4 Resistance value between 2 an b Resistance value between 2 an is approx 300 Q is approx 150 0 is approx 300 Q is approx 150 O O O 5 4 6 w 233 Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 99 Indoor Unit Malfunction of Electronic Expansion Valve Coil Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting al V Indoor units except FXFQ models Check coil condition of electronic expansion valve by using micro computer Pin input for electronic expansion valve coil is abnormal when initializing micro computer m Defective drive of electronic expansion valve m Defective PCB of indoor unit Defective relay cables 234 Troubleshooting by Indication on the Remote Controller 51 1 801 C Troubles
147. filter ferrite core Capacitor M1F Thermistor coil 1 Wired remote control Fuse F5A 250V Thermistor coil 2 Thermistor air HAP Light emitting diode Selector switch main sub service monitor green Transformer 220V 22V Connector for optional parts Magnetic relay M1P V1TR X16A Connector adaptor for wiring Motor indoor fan Terminal block X18A Connector wiring adaptor for electrical Motor drain pump Terminal block appendices Thermal protector M1F embedded Electronic expansion valve LLI Terminal Colors BLK Black ORG Orange WHT White 5 Connector BUL Blue PNK Pink YLW Yellow Field wiring GRY Gray PRP Purple GRN Green RED Red NOTES 1 In case of using centralized remote control connect it to the unit in accordance with the attached installation manual 2 Remote control model varies according to the combination system confirm engineering materials and catalogs etc before connecting 3 When connecting the input wires from outside forced off or on off control operation can be selected by remote control In details refer to the installation manual attached to the unit 3D060547 Appendix 3 8 Wiring Diagrams for Reference 51 1 801 C FXDQ20M 25M9V3B E eft Re
148. for how to check When Confirmation of malfunction 3 shows as follows l9 oO e eje e e Fan motor 1 When Confirmation of malfunction 3 shows as follows lalole ele e o Fan motor 2 M2F Identify outdoor unit based on Confirmation of malfunction 4 9 o olele x Explanation for xx ee Master unit 0 Slave unit 1 9 Slave unit 2 System Cut the power supply off Check if signal wire connector for NO the corresponding fan motor is normal YES Check the connector of the fan motor 1 Check if the resistance of the fan motor lead wire between Vcc and UVW and between GND and UW are balanced NO YES 1 Check procedure for fan motor connector 1 Power OFF the fan motor 2 Remove the connector X2A or X4A on the PCB to measure the following resistance value Judgement criteria resistance value between each phase is within 20 Connector for signal wires Ensure correct connection Replace the fan motor Replace the inverter PCB With single systems For fan motor 1 replace the inverter PCB A4P For fan motor 2 replace the fan inverter PCB A5P With multi systems For fan motor 1 replace the fan inverter PCB A4P X2A or 4 X2A 5 Gray C GND 4 Pink C Vcc Measure the resistance between Vcc 3 Orange C W A i 2Bue 1 Yellow C U Troubleshooting 260 Troubleshooting by Indication on th
149. immediately after starting and drooping control etc Use the above stated values as a guide Depending on the other conditions the unit may be normal despite the values within the above scope temperature control Troubleshooting 340 Troubleshooting Heat Reclaim Ventilation SiBE31 801 C 6 40 Power Transistor Check Perform the following procedures prior to check 1 Power Off 2 Remove all the wiring connected to the PCB where power transistors are mounted on Preparing a tester in the analog system is recommended A tester in the digital system with diode check function will Preparation be usable Tester Point of Measurement and Judgement Criteria Measure the resistance value using a tester at each point of measurement below 10 minutes later after power OFF To use analog tester Measurement in the resistance value mode in the range of To use digital tester multiplying 1kQ Measurement is executed in the diode check mode of T of To Point of Measurement Judgement Renmans Point of Measurement Judgement Criteria Criteria Dis to condenser charte a P2 v 2 1 2 P2 V 1 2V and over 50 resistance measurement P W may require some time Due to condenser 6 W P 8 N v 9 w 6 W po 15kQ and charge and so on above resistance including measurement may 8
150. in Setting mode 2 select the setting condition i e 06 00 07 00 or 08 00 for set item No 27 Setting of end time of nighttime low noise operation Use the end time as a guide since it is estimated according to outdoor temperatures 4 f necessary while in Setting mode 2 set the setting condition for set item No 29 Setting of capacity precedence to ON If the condition is set to ON when the air conditioning load reaches a high level the system will be put into normal operation mode even during nighttime Test Operation SiBE31 801 C Image of operation in the case of A If capacity precedence is set in Capacity precedence setting the fan speed will be increased according to the load of air conditioning when load is heavier Operation sound Rated operation sound Operation sound ______ of level 1 The power consumption may Operation sound be increased by 1076 of level 2 Approx 50 db target The power consumption may Operation sound of level 3 Approx 45 db target The power consumption may be increased by about 30 Note1 Above values are reference only measured in silent room Note2 Above values are for 1 module only Image of operation in the case of B If capacity precedence is set in Capacity precedence setting the fan speed will be increased according to the load of air Operation sound
151. in Remote Controller Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting d Note Troubleshooting T I N All indoor unit models Malfunction detection is carried out by temperature detected by room temperature thermistor in remote controller Note When the room temperature thermistor in remote controller becomes disconnected or shorted while the unit is running Defect of room temperature thermistor in remote controller B Defect of remote controller PCB Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Clear the malfunction code history While in inspection mode press and hold the OFF button for a period of 4 seconds or more Is Lut displayed on the remote controller Replace the remote controller External factor other than equipment malfunction for example noise etc 1 How to delete the record of malfunction codes Press the ON OFF button for 4 seconds and more while the malfunction code is displayed in the inspection mode Refer to Thermistor Resistance Temperature Characteristics table on P 408 242 Troubleshooting by Indication on the Remote Controller 51 1 801 C 4 14 Outdoor Unit PCB Defect i c Remote 1 Controller Display
152. indoor and outdoor units are fully opened turns to display TEST OPERATION blinks TEST OPERATION and UNDER CENTRALIZED CONTROL are displayed on the remote controller and the all indoor outdoor unit operation is prohibited After setting do not cancel Setting Mode 2 until completion of refrigerant recovery operation Collect the refrigerant using a refrigerant recovery unit See the instruction attached to the refrigerant recovery unit for more detail Press Mode button BS1 once and reset Setting Mode 2 3 2 9 Setting of Vacuuming Mode In order to perform vacuuming operation at site fully open the expansion valves of indoor and outdoor units and turn on some solenoid valves Operating procedure With Setting Mode 2 while the unit stops set Refrigerant recovery Vacuuming mode to ON The expansion valves of indoor and outdoor units fully open and some of solenoid valves open H2P blinks to indicate the test operation and the remote controller displays Test Operation and Under centralized control thus prohibiting operation After setting do not cancel Setting Mode 2 until completion of Vacuuming operation Use the vacuum pump to perform vacuuming operation Press Mode button 51 once and reset Setting Mode 2 Test Operation 188 Field Setting SiBE31 801 3 2 10 Emergency Operation If any of the compressors causes a failure the relevant compressor or the relevan
153. is entered and H1P lights Push the BS2 SET button several times and match the LED display with the Setting No you want Push the BS3 RETURN button one time and the present setting content is displayed Push the BS2 SET button several times and match the LED display with the setting content as shown below you want Push the BS3 RETURN button two times Returns to Push the 51 MODE button one time Returns to the setting mode 1 and turns H1P off OFF Blink ON e Setting NEN 2d UN No indication No indication Setting Setting contents indication Initial setting contents contents NO eri c setting e arose Tes 2 setting Motes KEJE 10 00 Moe setting MEME PSS mr ole 8 00 ci setting Low noise Ro T setting Capacity precedence 60 of rated power consumption 70 of rated power consumption Factory setting 80 of rated power consumption OFF Setting mode indication section Setting No indication section Set contents indication section 187 Test Operation SiBE31 801 C Field Setting 3 2 7 Air Tight Testing Procedure Carry out airtight testing after the completion of internal service
154. is not required complete charging when using the previous described method unit is not operating can be done If itis not possible to charge the entire quantity through the service port of the liquid pipe stop valve with the unit not operating refer to 1 3 5 Remaining Refrigerant Charging Method on page 143 1 3 3 Automatic Refrigerant Charging Operation d Note 1 Note 2 Note 2 Test Operation After pre charging perform the refrigerant charge operation as shown below and charge the remaining refrigerant of the additional charging amount through valve A See P 135 1 Turn on power for all the indoor units and outdoor units for Multi system all the outdoor units and the function unit in the whole refrigerant system 2 Make sure to fully open the stop valves of liquid pipe gas pipe and equalizer pipe only for Multi system Valve A B C must be closed 3 Close all front panels except the electric component box front panel and turn the power ON Make sure all indoor units are connected refer to 1 How to check how many units are connected on page 140 If the H2P LED is not flashing in 12 minutes time after turning on the power make sure it is displayed as shown in the 2 Normal system display on P 140 If the H2P LED is flashing check the malfunction code on the remote controller 3 Remote controller malfunction code display on 141 If you perform the refrigerant charging operation within the refri
155. item O i 2 gt 167 Setting of defrost selection Setting of m Used to start units not in sequence but n n startup simultaneously m Set No 11 of Setting mode 2 to NONE 12 Setting of model with spare PCB 8 Content and objective of setting and 8 Content and objective of setting of setting Indoor unit fan B Used to operate the indoor unit in the Hes H operation stopped state in forced H operation mode Indoor unit forced Used to operate the indoor unit in forced operation operation mode Change of targeted evaporating temperature in cooling n cooling operation used to change the targeted evaporating temperature for compressor capacity control Change of targeted condensing heating n heating operation used to change the targeted condensing temperature for compressor capacity control Used to change a temperature at which the defrost operation is initiated thus making the initiation easy or hard B f the compressor has a failure used to prohibit the operation of compressor s concerned or outdoor unit s concerned and to conduct emergency operation of SY system only with compressor s or outdoor unit s Emergency operation 1 Used to recover enose on site With operations of indoor and outdoor units prohibited fully open the expansion valve of the indoor and outdoor units Refrigerant recove
156. lapse Ending Conditions 170 sec or of 1 min or of 4 min of 1 min e Pc Pe e 5 e Pc Pe 0 5MPa lt 5 C lt 0 5MPa Indoor Unit Fan MIE Electronic expansion valve Y1E Unit not in operation 256 pls Thermo OFF unit Oil return EV degree Function 110 Special Control SiBE31 801 C 8 3 Defrost Operation Execute the Defrost operation to recover the heating capacity by melting frost attached on the outdoor heat exchanger during heating operation Start conditions Referring to the following conditions start defrost operation e When there is a decrease in the coefficient of heat transfer 1 of outdoor unit heat exchanger amp When there is a drop in the temperature of outdoor unit heat exchanger outlet Tb When the low pressure stays low for a certain amount of time 2 hours minimum 1 The thermal continuity of outdoor unit heat exchanger is calculated by Tc Te and compressor loads Outdoor unit V Elect In defrosting After defrosting operation operation Increase the 2 Compressor 1 52 Hz 5014 124 Hz is 210Hz increments of OFF 2 steps per f sec until _____ Maintaining ste current Compressor 3 step Same step as Outdoor unit fan 1 M1F that in normal OFF OFF heati ideale Fan Step 8 Fan Step 8 Same step as Outdoor unit fan2 M2F that in normal OFF OFF heating Electroni
157. multi outdoor system re read outdoor unit to Outdoor unit multi connection piping kit as seen from the indoor unit Outdoor unit joint header Function unit Outdoor unit Function unit Function unit I joint REFNET joint A G sysiem 8 Indoor unit 8 Indoor unit 8 Indoor unit Actual pipe Pipe length between outdoor unit 2 and indoor unit lt 165m Between outdoor unit 2 and oun Example a b c d e f g h q e Example 6 a b c i lt 165m 8 a b j lt 165 Example 8 a b lt 165m indoor unit Equivalent Equivalent pipe length between outdoor unit 2 and indoor unit lt 190m Note 1 length Assume equivalent pipe length of REFNET joint to be 0 5m that of REFNET header to be 1m that of function unit to be 6m for calculation purposes Total extension length Total piping length from outdoor unit 72 to all indoor unit x 500m Between outdoor unit and function unit Actual and Actual pipe length from outdoor unit to function unit that from first outdoor unit multi connection piping kit to outdoor unit 10m pipe length Maximum allowable length Between outdoor unit and outdoor unit Equivalent Equivalent pipe length from outdoor unit to function unit that from first outdoor unit multi connection piping kit to outdoor unit 13m multi connection piping kit Function unit Outdoor unit Between outdoor and indoor units
158. not less than one minute If the service mode is restarted at no intervals of time any of the malfunction indicating LEDs on the outdoor unit PCB may turn ON In this case press the button BS3 If the LED is still kept ON reset the power supply Troubleshooting 198 Symptom based Troubleshooting SiBE31 801 C 2 Symptom based Troubleshooting Countermeasure 1 The system does not start operation at all Blowout of fuse s Turn Off the power supply and then replace the fuse s Cutout of breaker s f the knob of any breaker is its OFF position turn ON the power supply If the knob of any circuit breaker is in its tripped position do not turn ON the power supply ON Knob s ripped OFF Circuit breaker Power failure After the power failure is reset restart the system The system starts operation but makes an Blocked air inlet or outlet of indoor Remove obstacle s immediate stop or outdoor unit Clogged air filter Clean the air filter s 5 The system does not cool or heat air well Blocked air inlet or outlet of indoor Remove obstacle s or outdoor unit U 5 Clogged air filter Clean the air filter s Enclosed outdoor unit s Remove the enclosure Improper set temperature Set the temperature to a proper degree Airflow rate set to LOW Set it to a proper airflow rate Improper direction of air diffusion Set it to a proper direction Open window s or door s Shut it tightly
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160. of Capacity Determination Device 237 4 9 T Indoor Unit Malfunction of Thermistor eve be nta be at ete to 238 4 10 7 Indoor Unit Malfunction of Thermistor R3T for Gas Pipes 239 4 11 723 Indoor Unit Malfunction of Thermistor R1T for Suction Air 240 4 12 IR Indoor Unit Malfunction of Thermistor R4T for All KI NUN 241 4 13 Indoor Unit Malfunction of Room Temperature Thermistor in Remote Controller 242 4 14 Outdoor Unit Defect 243 4 15 3 Outdoor Unit Actuation of High Pressure Switch 244 4 16 Outdoor Unit Actuation of Low Pressure Sensor 246 4 17 5 Outdoor Unit Inverter Compressor Motor Lock 248 4 18 2 Outdoor Unit STD Compressor Motor Overcurrent Lock 250 4 19 Outdoor Unit Malfunction of Outdoor Unit Fan Motor 251 4 20 5 Outdoor Unit Malfunction of Electronic Expansion Valve Coil 1 5 254 4 21 z Outdoor Unit Abnormal Discharge Pipe Temperature 256 4 22 5 Outdoor Unit Refrigerant
161. of refrigerant amount lop ty me Provide the calculated additional refrigerant amount as G Connection of devices for refrigerant charge Refer to 1 3 1 If automatic charging of refrigerant is not necessary Additional charging of refrigerant Refer to 1 3 2 Additional charging of refrigerant precharge Charge 10kg Refer to 1 3 2 Fill G volume Operate additional charging to remaining refrigerant Refer to 1 3 5 Automatic refrigerant charging operation Refer to 1 3 3 1 Heating mode manual operation Cooling mode automatic operation Automatic charging completed 1 Outdoor temperature 0 2 Operate in Indoor temperature 10 32 CDB cooling mode Temperature below the above range Operate in heating mode Detecting refrigerant leakage required Detecting refrigerant leakage not required Press BS 4 button once to detect refrigerant leakage x Press BS 1 button once to complete charging Record the amount of additional refrigerant charging on Record plate for additional charging Input the additional refrigerant charge weight into the PCB Refer to 1 3 4 Check operation Refer to 1 4 Test Operation 134 Test Operation d Note Note 1 Note 2 Note 3 Note 4 Note 5 Note 6 Note 7 SiBE31 801 C When the refrigerant charging procedure is done or when pausing close the valve of the refrigerant tank immed
162. products other than those of the VRV System to the high R 410A DTA112B51 speed DIII NET communication system adopted for the VRV System Central control For UAT Y xDTATOZASS i DTA107A55 To use any of the above optional controllers an appropriate adaptor must be installed on K A FD K the product unit to be controlled Wiring adaptor for other air conditioner DTA103A51 Interface adaptor Up to 1024 units can be centrally controlled in 64 different groups DIII NET DTA109A51 Wiring restrictions max length 1 000m total wiring length 2 000m max number of Expander Adaptor branches 16 apply to each adaptor 7 1 Mounting plate KRP4A92 Fixing plate for DTA109A51 Note 1 Installation box for adaptor must be procured onsite 401 Appendix SiBE31 801 C Option List Building Management System Part name Model No I intelligent Touch Air Conditioning management system that be controlled by a intelligent Touch DIII NET plus adaptor DCS601A52 Additional 64 groups 10 outdoor units is possible Controller Option EB i DCSO02C51 P P D Power Proportional Distribution function Software 1 N 1 4 El compo box with earth terminal 4 blocks 128 units 256 units Number of Basic Jixardware 512 units DAM602B51x2 Air conditioner management system that can be controlled by connected personal computers 768 units DAM602B51 x3 intelligent Manage
163. q LINN COHINOD 15 TWNINYSL _ WZX W2x duvod 0 LINN dev 415 TWNINHSL _____ WX 8 LINN HOOGNI 08908 8 LINN dev 0193135 0 dld1S TWNINHAL NZX LINN HOOGNI QHVO8 LINOHIO V LINN di V LINN LINN LINN M Sg M HOOQNI M HOOQNI WLX Q LINN WOX 9 LINN ed 13 24 1339009 2414 000 1 OdNOO 13 NO 19877 NOILOVO38d 39935 ana n1g SMOTIO3 SY MOHS STO8NAS S H3AO0 15 OL 43434 158 HOLIMS did 5 458 150 vto WANVA NOLLVTIVLSNI OL 43434 IOHINOO WZX WeX 3H1 OL 9NIHIM HOS SV F NZX NO ANY V STVNINH31 OL LI LOANNOO AHOSS329V TWNOILLdO HOLOATAS 1V3H 1009 JHL DNISN N3HM i SAILOSLOWd CD ONIMIM 1313 HOLO3NNOO e 41815 TVNIINH3L 2 SMOTIOS Sv SONILLAS TWILINI 2150 5 did Z A TNO SHOLONGNOO H3ddO9 JSN 9 dH 34 2012 f im 8 LINN 8000100 39999 24 LH Q 1nO OL
164. sound set with External low noise setting sound x E Operation sound a CL kie iem of level 1 Operationsound LT EIE _ of level 2 Operation sound ________ _____ NEN ievelsetwith _ Sound ow noise mode instructing Night time low Operation sound set with inoise setting External low noise setting I Operation sound during low noise mode is instructed can be set with External low noise level setting Factory setting is Mode 2 Operation sound during night time low noise mode is instructed can be set with Night time low noise level setting Factory setting is OFF When external low noise instruction is received during the operation with night time 8 00 10 00 PM 0 00 AM 6 00 AM 7 00 AM 8 00 low noise mode Mole 2 precedes Level 1 and Set with Night time low noise start setting Set with Night time low noise end setting Level 3 precedes Level 2 Factory setting is PM 10 00 Factory setting is 8 00 Test Operation 184 Field Setting SiBE31 801 C 2 Setting of Demand Operation By connecting the external contact input to the demand input of the outdoor unit external control adaptor optional the power consumption of unit operation can be saved suppressing the compressor operating condition Description of setting
165. stops but between units caused by If these causes are removed the stops restarts after a lapse of several electrical noises coming from system will automatically restart minutes equipment other than air operation conditioners COOL HEAT The remote controller displays This remote controller has no Use a remote controller with selection is UNDER CENTRALIZED option to select cooling operation option to select cooling operation disabled CONTROL The remote controller displays COOL HEAT selection is made Use the COOL HEAT selection UNDER CENTRALIZED using the COOL HEAT selection remote controller to select cool or CONTROL and the COOL remote controller heat HEAT selection remote controller is provided 199 Troubleshooting SiBE31 801 Symptom based Troubleshooting Supposed Cause The system is in preparation Wait for a period of approximately mode of operation 10 minutes 7 The system conducts fan operation but not cooling or heating operation The airflow rate is not reproduced according to the setting The airflow direction is not reproduced according to the setting A white mist comes out from the system sounds 11 The system produces Troubleshooting This symptom occurs immediately after turning ON the power supply The remote controller displays UNDER CENTRAL CONTROL but the system is switched to blasting operation without condu
166. the compressor is probably get faulty In this case carry out inspections on the compressor again Replace the main PCB A1P Continue operation It is supposed that the malfunction results from Causes such as instantaneous power failure Troubleshooting SIiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 41 P Outdoor Unit Inverter Over Ripple Protection Remote Controller Display Applicable RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit Models Method of Imbalance in supply voltage is detected in PCB Malfunction Detection Malfunction When the resistance value of thermistor becomes a value equivalent to open or short circuited Decision status Conditions x Malfunction is not decided while the unit operation is continued 7 will be displayed by pressing the inspection button Supposed Open phase Causes Voltage imbalance between phases Defect of main circuit capacitor Defect of inverter PCB Defect of K2 relay in inverter PCB Improper main circuit wiring Troubleshooting 288 Troubleshooting by Indication on the Remote Controller 51 1 801 C Troubleshooting 289 Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred mbalance in supplied voltage is in excess of 14 V Y1 1 NO Is the voltage imbalance applied to the inverter in excess of 14 V Y1 2
167. the following setting with the master unit Setting with the slave unit will be invalidated Discriminate between the master unit and the slave unit according to LED displays shown below LED display ON OFF Blink H1P H7P 8 Master o Slave O Factory setting O To prohibit the operation of master unit Set the setting item No 38 of Setting mode 2 to Master operation prohibited LED display ON OFF 9 Blink Step H1P H7P RIRES 2 Press the SET button BS2 38 times 3 Press the RETURN button BS3 once O 0 0 6 Factory setting 4 Press the SET button BS2 once O000000 5 Press the RETURN button 853 twice O00000 6 Press the MODE button BS2 once O To prohibit the operation of slave unit Set the setting item No 39 of Setting mode 2 to Slave operation prohibited LED display ON OFF Blink Step H1P H7P rede e SY 2 Press the SET button BS2 39 times 3 Press the RETURN button 853 once O e 9 Factory setting 4 Press the SET button BS2 once O000000 5 Press the RETURN button 853 twice O00000 6 Press the MODE button BS2 once Systems with multi outdoor units cannot be set to operation prohibited by compressor f systems with multi outdoo
168. the product is connected mounted Faulty fin thermistor The fin thermistor gets short circuited or open Faulty fin thermistor Compressor current gt c 2 o oO 351 Troubleshooting SiBE31 801 C Troubleshooting Heat Reclaim Ventilation 6116 ES Concept of inverter related malfunction codes Transmission error nan transmissions between J main PCB and the inverter PCB are not normal Main Control PCB Instantaneous overcurrent of inverter compressor When inverter output current exceeds 32 3A even instantaneously Overcurrent of inverter compressor 1 An overcurrent of 19 0A or more continues for a period of 5 consecutive seconds 2 overcurrent of 16 1A or more for a period of 260 consecutive seconds Inverter Power supply PCB 3 phase 400VAC Weak current part Heavy current part Power L1 P4 a Compressor re Imbalanced power supply voltage PCB mismatching ulty startup of inverter compressor When imbalance in qu incorrect Compressor stops running voltages among three que is connected immediately after it starts up E en Radiator fin temperature rise Inverter compressor lock on the radiator fin Compressor does not run at all Power supply voltage error reached 93 C or more When the power supply Faulty fin thermistor voltage falls out of the range of 400VA
169. this binder or in this manual where he she will find additional information on a specific topic SIBE31 801 Introduction 1 2 PREFACE Thank you for your continued patronage of Daikin products This is the new service manual for Daikin s Year 2011 VRVIII C series Heat Pump System Daikin offers a wide range of models to respond to building and office air conditioning needs We are confident that customers will be able to find the models that best suit their needs This service manual contains information regarding the servicing of VRVIII C series R 410A Heat Pump System March 201 1 After Sales Service Division SiBE31 801 Part 1 General Information Model Names of Indoor Outdoor 2 gt 4 M PE Indoor WINS M A IA erc tere DARII 3 2 2 Outdoor Units and Function Units 4 RR 5 Features of This Model Serles 7 General Information SIBE31 801 Model Names of Indoor Outdoor Units 1 Model Names of Indoor Outdoor Units Indoor Unit Type Model Name Roundflow Ceiling T 20P8 25P8 32P8 40 8 50P8 63P8 80P8 100P8 125P8 600x600 4 Way Blow Ceiling Mounted FXZQ 20 9 25 9 32 9 40M9 50M9 Ca
170. to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred 551 of remote controller PCBs is set to MAIN Using 2 remote NO controllers control Set 551 to MAIN the power supply off once and then back on SS1 of both remote controllers is set to SUB Turn the power off and then back on If a malfunction occurs replace the remote controller PCB Set one remote controller to MAIN the power supply off once and then back on 310 Troubleshooting by Indication on the Remote Controller SiBE31 801 C 4 52 o5 Indoor Unit Malfunction of Transmission between Indoor and Outdoor Units in the Same System Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting 311 I gt e N All indoor unit models RTSQ8P 16P Outdoor Unit Detect malfunction signal for the other indoor units within the circuit by outdoor unit PCB When the malfunction decision is made on any other indoor unit within the system concerned Malfunction of transmission within or outside of other system Malfunction of electronic expansion valve in indoor unit of other system Defect of PCB of indoor unit in other system Improper connection of transmission wiring between indoor and outdoor unit Be sure to turn off power switch before co
171. which is able to keep 60 l min the vacuum degree of the system in excess of Suction port UNF7 16 20 1 4 Flare 100 7 kPa 5 torr 755 mmHg UNF1 2 20 5 16 Flare with adaptor Differences Equipped with function to prevent reverse oil flow Previous vacuum pump can be used by installing adaptor Precautions for New Refrigerant R 410A SiBE31 801 C Precautions for New Refrigerant R 410A 4 Leak tester Specifications Hydrogen detecting type etc Applicable refrigerants R 410A R 407C R 404A R 507A R 134a etc Differences Previous testers detected chlorine Since HFCs do not contain chlorine new tester detects hydrogen o Refrigerant oil Air compal Specifications Contains synthetic oil therefore it can be used for piping work of every refrigerant cycle e Offers high rust resistance and stability over long period of time B Differences Can be used for R 410A and R 22 units 6 Gauge manifold for R 410A Specifications High pressure gauge 0 1 to 5 3 MPa 76 cmHg to 53 kg cm Low pressure gauge 0 1 to 3 8 MPa 76 cmHg to 38 1 4 5 5 16 2min 2 5min Nooil is used in pressure test of gauges For prevention of contamination Precautions for New Refrigerant R 410A 420 Precautions for New Refrigerant R 410A SiBE31 801 C Temperature scale indicates the relationship between pressure and temperature in gas
172. 0 Walli Sound E mama 88 sa Pring ee Gas Flare connection Both liquid and gas pipes White 10Y9 0 5 Ways el 80 8 s 85 Darp __ 9 19 Specifications SiBE31 801 C Specifications 2 Way Blow Ceiling Mounted Cassette Safety devices Standard Accessories Washer for hanging bracket Qm 8 J s J 3 J ss T s _ Installation and operation manual Standard Accessories Paper pattern for installation Quantiy M Nominal cooling capacities are based on indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 8m level difference Nominal heating capacities are based on indoor temperature 20 CDB outdoor temperature 7 CDB 6 CWB equivalent refrigerant piping 8m level difference Om Capacities are net including a deduction for cooling an addition for heating for indoor fan motor heat Specifications 20 Specifications SIiBE31 801 C E m m Casing Cor Non Da sa Dimensions Packing Galvanised steel we re on 7 Heat Dimensions K ae te 875 x 2 1365 1365 Exchanger mm As 8x2 52 5 FaceArea 0 184 x 2 0 287 x 2 0 287 x 2 Nr INrofStages INrofStages 10x2 Tube Plate Hole HOST Fin Symmetric louvre Hydrophilic ey L
173. 0 Charge mouthpiece Specifications For R 410A 1 4 5 16 2min 2 5min e Material is changed from CR to H NBR B Differences Change of thread specification on hose connection side For the R 410A use Change of sealer material for the HFCs use Precautions for New Refrigerant R 410A 422 Revision History Month Year Revised contents 08 2009 SIBE31 801 Model change of the concealed ceiling type 12 2010 SIBE31 801 B Correction of data 03 201 1 SIBE31 801 C Correction of text Warning e Daikin Industries Ltd s products are manufactured for export to numerous countries throughout the world Daikin Industries Ltd does not have control over which products are exported to and used in a particular country Prior to purchase please therefore confirm with your local authorised importer distributor and or retailer whether this product conforms to the applicable standards and is suitable for use in the region where the product will be used This statement does not purport to exclude restrict or modify the application of any local legislation Ask a qualified installer or contractor to install this product Do not try to install the product yourself Improper installation can result in water or refrigerant leakage electrical shock fire or explosion Use only those parts and accessories supplied or specified by Daikin Ask a qualified installer or contractor to install those parts and accessor
174. 000 7 Red C Vdc Vdc GND Notless than 100kQ 225 Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller n Indoor Unit Malfunction of Indoor Unit Fan Motor Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting a FXHQ32 100MAVE FXDQ20 32PB 40 63NBVE This malfunction is detected if there is no revolutions detection signal output from the fan motor When no revolutions can be detected even at the maximum output voltage to the fan B Faulty indoor fan motor B Broken wires B Faulty contact Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Are the X4A and X27A connectors securely connected Properly connect the connectors At this time check for any faulty connector contact or broken wires ls the power of approx 12VDC supplied between the Pins and 3 when the X27 is disconnected and the power supply turns ON Check the indoor unit fan motor and the wiring circuits of the motor Replace the indoor unit PCB 226 Troubleshooting by Indication on the Remote Controller 51 1 801 C a Remote Hl Controller Display Applicable FXMQ50 140P Models Method of Detection from the current flow on the fan PCB Malfunction
175. 0000 O Cancel disabling the STD compressor 1 or STD compressor 2 from operating Set No 19 of setting mode 2 Disable STD compressor 1 or 2 operation to OFF Step 1 Press the MODE button BS1 for 5 seconds or more Press the SET button BS2 19 times Press the RETURN button Press the SET button BS2 twice S9 m s o Press the MODE button BS1 once BS3 once Press the RETURN button 853 twice LED display O ON OFF 9 Blink O000000 Oeoeeoo O e Factory setting 09000000 0070000 O Cancel disabling the STD compressor 2 from operating 875014 16 Set No 19 of setting mode 2 Disable STD compressor 2 operation to OFF Step 1 Press the MODE button BS1 for 5 seconds or more Press the SET button BS2 19 times Press the RETURN button BS BS3 Press the SET button BS2 once BS3 S p 95 Press the MODE button BS1 once once Press the RETURN button BS3 twice LED display O ON OFF 9 Blink O000000 Oeoeeoo O00009 O e Factory setting 09000000 0070000 192 Field Setting SiBE31 801 193 lt RTSYQ20PY1 gt Cancel the disable operation setting by each outdoor unit Make the following setting on the outdoor unit 1 If this setting is made on an outdoor unit other than the outdoor unit 2 the setting will become invalid It is possible to tell the outdoor units
176. 00000 090000 09000 The numbers the No column represent the number of times to press the SET BS2 button Master slave set up 51 for multi outdoor units 175 Test Operation Field Setting SiBE31 801 i i c Monitor mode To enter the monitor mode push the MODE BS1 button when in Setting mode 1 lt Selection of setting item gt Push the SET BS2 button and set the LED display to a setting item Confirmation on setting contents Push the RETURN BS3 button to display different data of set items Push the RETURN BS3 button and switches to the initial status of Monitor mode Push the MODE BS1 button and returns to Setting mode 1 Test Operation LED display mM LEDdipay Data displa S we ese res Oe ____ 6 ofo o gt Low niseldemand address 4 AIRNET address an Number of connected indoor units o eee o Lower 6 digits Number of connected zone units Fixed to 0 Number of outdoor units 3 Number Number of zone units zone Number of zone units Number of terminal units 5 oje Number of terminal units 5 ejeo o Contents of malfunction the latest Contents of malfunction 1 cycle before Contents of malfunction 2 cycle before a e RE 22 Contents of retry 2 cycle before Contents of retry 2 cycle
177. 08708 gd LINN di V IOHLNOO 15 TWNIWHAL dov div v LINN HOOGNI 08 08 31 4 v LINN div LINN LINN LINN X Sg M HOOQNI X HOOQNI M HOOQNI 4 LINN ej 3 2 t 3078 n1g SMOTIO SY MOHS STO8SNAS S WANVW NOLLVTIV LSNI OL 713 NO 138V 1 sNOLLAVOSYd 30IAH3S HO 43434 COH1NOO WeX INZX JHL OL 9NIHIM SV NOLLVTIVLSNI OL 43434 2 1Sd HOLIMS did SNISn deV dlV NZX NO yo 2290 190 2 STVNINH31 OL LI L03NNOO AHOSS300V o TWNOLLdO HO12313S 1V3H 1000 ONISN N3HM recs HIHV3 SALLOSLOWd 0781 SMOTIOJ Sv 35 TVILINI 2150 5 did Z HO1O3NNOO o o 41815 TVNINH31 000 KINO SHOLONGNOD H3ddOO ISN 9 ATNO LINN 58 JHL OL S3r1ddv WYHOVIC SIHL SALON LINN LINN LINN HOOQNI Y HOOQNI v HOOQNI m KP prex E rg HE wam gx Tx dev div REX 08 04 02 73 9 LINN WPX V LIN HOOQNI XA JM Log Tag XO 60 19 9 1 9 19
178. 0A 404 6 Thermistor Resistance Temperature Characteristics 408 Fe Pressure SEIS OF 410 8 Method of Checking the Inverters Power Transistors and 411 8 1 Method of Checking the Inverter s Power Transistors and Diode 411 Appendix iagrams D iping P iagrams D Outdoor Uni RTSQ8PY1 iping SiBE31 801_C 1 P 1 1 8 09006 YOSNAS 340553444 Aan AuVTIldvo Tl VO X lt uai ANA GION310S 4 NOISNVdX3 QS san OINOH129313 uiia NSS 1NVH3OI gd3H GION31OS AuvTildvo HOlVHVd3S 1HOd NS 3ATVA Yal 3OlAH3S H3NIVHIS Bil X lt Jdid SVO AdAL 3unissaud a1n10sgv 3A TVA 3ATVA ONILVINDAY 3gunssaud MOAHO Z amp H3ZI IV103 AdAL 3ATVA HOSN3S es 3unss3ud MO3HO 3ATVA V H103 Ygl dan Xt 2 AuvTildvo H3 LH3ANI X Ig 1V3H H3NIVHIS gt 3dld AINON sp NOISNVdX3 H3ONVHOX3 O9INOH IO3 l3 5
179. 0pyno y VSX 52 LN 3 i IAW C F dSV 2 xU qas dd oke NS o gt N un a AS 8 P Due ubi HM 5 o 0 EET 00000 5 LNOU3 vBIX ViEX vex na 116 20 B lia 2414 E vox Sl D LINA LINA 5 VECX LIN QNI 4 OL OL OL VI9X 999 VOLXS 3 VOEX _ u Y6ZX NIX d iod AS IZM 19H1SH1FHLZH XOS OdWO2 13 dOLA 168 89 1594 SSA 98 594 al 007 A SHINN 0131 LNANOdNOO 50100 5 VYX vex BIS E PEE ME j 1 zz INBNOdNOO 80102 801234400515 S9 8 VvX ajo n QuvOg 100412 803 80100 HOLO3NNOO SI eee P NZ 312 1 M e 4 VOOVX 55 52 DLN dO yy SPA ra 924 ISHA vex LLLI e V p 0 0 0 6 VOX eae vix VSIX VEXI 6 VOX Pd 429 7 9 9 9 9 9 9 A 5 2 112415011545 dub yg 64 Ld Ld i Ld 10 I nid gt ddd N diV 15 12 05 4 4 086 AlddNS H3M
180. 1 P2 4 1 00 Main Sub Group Control by Remote 1 01 1 02 Controller automatic unit address F1 F2 P1 P2 li F1 F2 P1 P2 B F1F2 P1 P2 F1 F2 P1 P2 No Remote Controller 1 03 AN Caution When turning the power supply on the unit may often not accept any operation while 88 is displaying after all indications were displayed once for about 1 minute on the liquid crystal display This is not an operative fault 3 1 8 Setting of Operation Control Mode from Remote Controller Local Setting The operation control mode is compatible with a variety of controls and operations by limiting the functions of the operation remote controller Furthermore operations such as remote controller ON OFF can be limited in accordance with the combination conditions Refer to information in the next page Centralized remote controller is normally available for operations Except when centralized monitor is connected 3 1 9 Contents of Control Modes Twenty modes consisting of combinations of the following five operation modes with temperature and operation mode setting by remote controller can be set and displayed by operation modes 0 through 19 ON OFF control impossible by remote controller Used when you want to turn on off by centralized remote controller only Cannot be turned on off by remote controller OFF control only possible by remote controller Used when you want to turn on by centralized remote controller only and off by remote contro
181. 15 HOLSINHIHL 19 A AV HH Hi HOllOvdvO 19 pis ON 9919 3MYVA 3MVA dION310S SeA 430130 0X3 LYH HOLSINYSHL _ 13534 1531 136 O1NH dION3IOS SLA GODYVWHOSIC OLN HOLSIWNHSHI _ HOLIMS 58 Iu 3NVA NOSNVdX3 9110819313 Sv 1V3H HOLSIAH3HL SLA LINOHIO JVIX MIAN NOISNYdX39INOHI03T3 32A HOISINH3HI iH AVTHOLNOVW HoM ANI GHVOd C F m vex gt m NIYIN NOISNVdX3 1 uiv HOISIWH3HL 43174 SSION 08 08 V EU 114 mm S N 91 C1OH 1NOO dIHLS TVNIINH31 ONLLIIATT LN3HHOO HOLSIS3H dtv OLLINOVIN ans LIQOHIO wi 057 Ho 262 dlH1S Wix HOSNSS HOLSIS3H 068 dev OLN OLL3NOVIW IN NIVIN V LX vi LX pes Vox P 06 Vex I vex z3 13 100put OLHUni4l S 31ON Z4 4 40
182. 2 INPUT FROM ce e OUTSIDE Note 3 RED RED 3 F2 TO CENTRAL IZED REMOTE WHT WHITE FI lt CONTROLLER Note 1 YW YELOW WIRED REMOTE CONTROLLER Note 2 oO a 6200000 BH E FIELD WIRING L IME gt WIRE CLAMP PROTECTIVEEARTH j NOTE2 RECEIVER DISPLAY UNIT SCREW THERMISTOR THERMAL FUSE EMBEDDED SERVICE MONITOR GREEN ELECTRICAL APPENDICES RECEIVERIDISPLAY UNIT ATTACHED TO WIRELESS REMOTE CONTROLLER ee RENE MP MOTOR DRAINPUMP JAP APP PRINTEDCROUTBOMD s ONOFFBUTON NOTES 1 WHEN USING A CENTRALIZED REMOTE CONTROLLER SEE MANUAL FOR CONNECTION TO THE UNIT 2 X23A 15 CONNECTED WHEN THE WIRELESS REMOTE CONTROLLER KIT IS USED 3 WHEN CONNECTING THE INPUT WIRES FROM THE OUTDOOR UNIT FORCED OFF OR ON OFF OPERATION CAN BE SELECTED BY THE REMOTE CONTROLLER FOR MORE DETAILS SEE INSTALLATION MANUAL 4 USE COPPER CONDUCTORS ONLY 2TW23806 1D Appendix 376 SiBE31 801 FXKQ25MA 32MA 40MA 6 Wiring Diagrams for Reference SHOLOnQNOO ASN Z MOV IG anid 39NVHO MOTISA MIA 3LIHM LHM MNId MNd SMOTIOd SV MOHS STOSWAS 9 V
183. 31 801 Diagrams for Reference iring W iring 2 2 Field W RTSYQ10P 14P 16PY1 gt V9OCEBSOCE lt SLINN HOOQNI SLINN HOOQNI ANN ANN ANN ANN 318vO S3HIM S3HIM S3HIM J18VvO 2 J18vO S3HIM S3ulM c 3790 S3HIM Z 9505 8514 8514 8504 3snd 3snd asns 3snd HOLIMS HOLIMS HOLIMS HOLIMS HOLIMS HOLIMS HOLIMS HOLIMS N JI N JI SNI1NOISSINSNVHI NOISSINSNVHI ND BNI1NOISSINSNVHI SNT1NOISSINSNVHI 31870 S3HIM 2 J18vO S3HIM Z FIEVO S3HIA S3uIM S3ulM c E NOISSIASNVHLI GNITNOISSIASNVH J18vO S3HIM Z 3790 S3HIM Z HOLIMS HOLIMS NIVIA NIVIA d N 1 5 H3MOd 5 3snd HOLIMS HOLIMS
184. 3Hd SZA OLLINOVIN LINOHIO GE WIX 82 2 i NEX 06H r cO 10 5 dev GN t Hike 692 999 Sa 698 259 SH d8H d H d9H dSH dfH 5 ied 1HM dev ig un A a IH Z ZO E Z B WIG VOEX 1 1 1 V8ZX N Wey 1 9 VL9X CICA A INAN O o OcZ VIXI9 VOLX 5 OdNOO 13 O OL dev VECX E 3l o SHIM QV31 1N3NOdI OO 40100 NOILYNIWIHOSIG SI TTS VEOPX vlorX 6 8 A em NNOO HoLoaNNod SIX BS Nai Nm _ 18 08 80100 H0193NN03 SI 3 o 7 SIN PUT S Se SS S S 2 sped SES ven OLN TVNINH31 0 Qu 2 27 980 JLA 719 NH9 Jd CoA Lex s cd in 5 V E pen nez 1 21111 NLX x N 2 D D 3 5 5 e zd 8 nid ma 15 e e e e e e vex ERR vix ZHOS AS AlddNS 370 SiBE
185. 3I4 P EE boo ed ensseJd einjosqe Jo anen L Bunejno anssarg 2100009 lt 499U2 1n04 SZ uuo PUN 5 c UOIsUedxe EI TN lt AEA ouolsuedxe 9IU0J129 3 eqn E 4 Medes adA 9 JO eunssaJg 108095 einsseJd HdNIS NU em em em lt gt lt gt 1 gt lt piousos 29114 N yeoy 94 Buljoooqns I uolsuedxa 2100 2819 M NEM C 22 d80S 1H I eunsseud I Josues aJnssaJg i 1 l I uod EI I uoisuedxa 91U0J 99 3 I a XO ons Bes i Hd edeg eunsseid ufi IE 1934 uod oiu s jeurens Fd A a Joy Joy XU noy ed eunsseud einjosqe 10 4 Z eunssaid XS t I 20940 l I SSS SS eS s xoeuo 10 fupe M
186. 4 124 Hz ON 210Hz increments of OFF 2 steps per om 8 sec until OFF PePe 4MPa M2C Maintaining h Same step as Outdoor unit fan 1 M1F that in normal Fan Control Fan Control heating Game pss Fan Step 8 Fan Step 8 Outdoor unit fan2 2 that in normal OFF OFF heating Electronic Same step as expansion valve Y1E that in 5 480 pls 480 pls 480 pls 55 pls main heating Electronic Same step as expansion valve that in normal 0 pls 0 pls 0 pls 0 pls subcooling heating Electronic expansion valve Y2E 80 pls 80 pls 80 pls 80 pls 80 pls refrigerant charge Solenoid valve U Same step as Same step as Same step as Same step as gas purging pipe of Y1S that in normal that in normal that in normal that in normal refrigerant i regulator heating heating heating heating Four way valve for heat changer Y3S ON OFF selection liquid pi Mola Same step as Same step as Same step as Same step as d pe Y4S that in normal that in normal that in normal that in normal refrigerant i i regulator heating heating heating heating Same step as that in normal OFF ON OFF 2 C e MN 853 Same step as that in normal heating Same step as that in normal heating Same step as Same step as Same step as Same step as 2 pipe of that in normal that in normal that in normal that in normal ae step as that in normal 2 heating heat
187. 58751 1 ST8601A 1 4 1250 Thermistor Suction Air 20kQ 25 Thermistors Exchanger High Temp 20kQ 25 20kQ 25 Thermistor Heat ST8602A 6 96 L 1250 ST8602A 6 6 L 1250 Exchanger 20kQ 25 20kQ 25 F1U 250V 5A 5 2 Thermistor for Heat ST8605 6 68 L 1250 ST8605 6 8 L 1250 Appendix 398 List of Electrical and Functional Parts SIBE31 801 C Parts Name Symbol FXAQ FXAQ FXAQ FXAQ FXAQ FXAQ Remark 20PV1 25PV1 32PV1 40PV1 50PV1 63PV1 Wired Remote Controller E Remote E BRC7E618 AC 220 240V 50Hz gu Fan Motor 1040W 1043W F Motors Thermal protector 130 C OFF 80 C ON MP24 38B40333 1 MSFBC20C21 3SB40550 1 ST8601 2 L400 Thermistor Suction Air 20 25 C Thermistor for Heat ST8605 2 08 L400 Themmistors Exchanger Moh Temp Her 20kQ 25 Thermistor for Heat ST8602 2 06 L400 Exchanger 20kQ 25 Float Switch S1L OPTION ous sss Wired Remote Controller S Remote S Parts Name Symbol FXLQ FXLQ FXLQ FXLQ FXLQ FXLQ Remark 20MAVE 25MAVE 32MAVE 40MAVE 50MAVE 63MAVE Option BRC4C62 AC 220 240 50Hz ERN Mot Fan Motor 1015W 1 25 1635W otors Thermal protector 135 C OFF 120 C ON Capacitor for Fan Motor C1R 1 0uUF 400V 0 5uF 400V 1 400 1 5uF 400V 20uF 400V ST8601 6 4 11250 Thermistor Suction Air 20 25 C Thermistor for Hea
188. 777 Notes x 1 Indoor temp 27 CDB 19 CWB Outdoor temp 35 CDB Equivalent piping length 7 5m level difference 0m kcal h kWx860 spem pus i Btu h kWx3412 35 3 x2 Indoor temp 209 Outdoor temp 79 6 CWB Equivalent piping length 7 5m level difference Function unit 6m x3 Indoor temp 20 CDB Outdoor temp 10 CWB Equivalent piping length 7 5m level difference Function unit 6m 4 Displacement value are at nominal capacity 5 Motor output are nominal 9 Specifications SiBE31 801 C Specifications Model Name RTSYQ14PY1 SENEC FunctionUnit Hermetically Sealed Scroll Type 13 72 10 53 10 53 16 9 nS 6800 2500 2900 7980 PENE Soft Stan Propeller Fan E 035 233 Drive Direct Drive Connecting 012 7 C1220T Brazing Connection Pipes 028 6 C1220T Brazing Connection 3964110 5 High Pressure Switch Fan Driver Overload Protector Overcurrent Relay Inverter Overload Protector Deice 7 100 RATOA Refrigerant 11 7 Electronic Expansion Valve Refrigerator Oil Refer to the nameplate of compressor Standard Accessories Installation Manual Operation Manual Connection Pipes Clamps C 40060778 Notes 1 Indoor temp 27 19 CWB Outdoor temp 35 CDB Equivalent piping length 7 5m level difference kcal h kWx860 Function at ET Btu h KWx3412 cfm m mi
189. 8 69 06 HOS S 39NVHO N3dd9 NYS AVHO AHO MOTI3A MIA ANd ALIHM LHM 9 198 MOVI8 18 SHOTIOO LINN SHL GSHOVLLY TVONVIN NOILVTIVLSNI SHL OL 83438 STIVI3G NI H3 TIOHJLNOO 3 LOIN3H Q3193 13S 38 NYO NOILVH43dO 1lOHLNOO HO 440 ACISLNO INOtid S3UHIM LAdNI N3HM IWANVIN NOILVTIVLSNI Q3HOV LLV dH1 dONVOHOOOV NI LINN SHL OL LI LOANNOO H3TIOHINOO 310IN3H Q3ZI TVHLN3O 3SVO NI 2 ONIHIM 07315 AME HOLO3NNOO VNIAHWH3L 00 1 SILON div WOLX OL AdO 00 08 69 OSOWXS 4 GS NIVIN HOLIMS 109135 LSS 3D058783D HOLSINHSHL 310 38 JOYYHOSIC 2112313 0191939 tu pev Qv 801234100 WSEX 209 ZH0S V81X VOLX s UL N LEN TM MIA NH9 99 M H Qo 0099 of ot a ush ELH Leg Leg 5 174 led lcd AlddflS d3MOd HOJ HOLO3NNOO Veex
190. 99 ainsseid JOSUaS 91 55914 1915 eqni TM qu wm ANI xi XO J Ig DNE S anen plousjog XO jew 494 0015 Zi 6 uous e youms lemsseidu amss du H a E 3 3 iB 1914 iB ainssaud einjosqe jo RATED y yooyo 27 ainssalq X gt pugs 2 uod 4 1l d 9A E puolsuedxe 9IU01129 3 eqn jw Medeo jod 1 1l d 22995 l Sluo1 5 9 3 T piouejos 5 39907 EM yeoy Builoooqns uolsuedxa 2004993 lt L ed ove CP w9euojo ewe 108095 91 55914 9155910 ES 1 lld HdNIS I dcLOS LH JO IF oou 399uO edid pinbr YOOYD 415 9 4 eqn Aueyides Q 2 124 N anen X09U9 1 1l d A JPA uod e
191. AGE SELECTION 2 Y2E2 ELECTRONIC EXPANSION VALVE TWO STAGE SELECTION 1 2 1 SOLENOID VALVE BYPASS 2 45 SOLENOID VALVE BYPASS 1 Y3S THERMISTOR DISCHARGE PIPE R3T GAS PIPE OUTDOOR UNIT SIDE SERVICE PORT LIQUID SIDE Wi HIGH PRESSURE HIGH PRESSURE SENSOR S1PH OIL SEPARATOR 1 5 diio LIQUID PIPE OUTDOOR UNIT SIDE 67 IU ea lt Le SWITCH BOX ELECTRONIC EXPANSION VALVE LIQUID INJECTION Y1E SOLENOID VALVE HOT GAS 715 SOLENOID VALVE LIQUID LINE SELECTION Y5S THERMISTOR LIQUID PIPE RAT SERVICE PORT GAS SIDE GAS PIPE INDOOR UNIT SIDE INV COMPRESSOR M1C LIQUID PIPE INDOOR UNIT SIDE Refrigerant Circuit Refrigerant Flow for Each Operation Mode SiBE31 801 SJosseJduJoo 3314 seu dZ LOS LH pue siosseJiduioo Seu dOLOS LH d9LOS LH 20 jueJeBujeJ eui swous eu ainsseid i h Josues eJnssaJg ANI 14405 A e
192. Applicable RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit Models Method of Abnormality is detected under the communication conditions in the hardware section between Malfunction the indoor unit and outdoor unit or function unit Detection Malfunction When the communication conditions in the hardware section between the indoor unit and the Decision outdoor unit or the function unit are not normal Conditions Supposed m Defect of outdoor unit PCB A1P Causes m Defect of function unit PCB A1P m Defective connection between the indoor and outdoor unit or function unit Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Turn off the power once and turn on again Return to normal YES External factor other than malfunction for example noise etc NO While in monitor mode check the outdoor unit and the function unit concerned Check if indoor outdoor or function unit relay wires of outdoor main PCB is disconnected YES Connect the indoor outdoor or function unit relay wires correctly NO Replace the outdoor main PCB A1P 243 Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 15 z3 Outdoor Unit Actuation of High Pressure Switch Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions S
193. B setting Manual backup operation If any of the compressors stops running due to malfunction emergency operation will be conducted only with an operable compressor or outdoor unit by setting the relevant compressor outdoor unit or function unit into operation prohibited according to the outdoor unit PCB setting sss RTSYP280A RTSYP400 450A RTSYP560A Remark Detail of setting Setting of INV Set the setting item Set the setting item compressor to No 42 to INV No 42 to INV operation prohibited compressor operation compressor operation Set with outdoor unit with outdoor unit prohibited prohibited master unit Applicable to Applicable to Setting of STD Set the setting item Setthe setting item No compressor 1 and 2 19 to STD 19to STD compressor operation prohibited compressor 1 2 1 2 operation Set with outdoor unit with outdoor unit operation prohibited prohibited Applicable master unit Applicable to to and Setting of STD Set the setting item No compressor 2 to 19to STD compressor operation prohibited with 2 operation prohibited outdoor unit master unit Applicable to Setting of master unitto Set the setting item _ Set with master unit operation prohibited No 38 to Master unit CAUTION Setting By compressor Set with outdoor unit with outdoor unit operation prohibited with slave unit will be master unit Applicable to a
194. BRC7C Type BRC7E Type BRC4C Type Troubleshooting If equipment stops due to a malfunction the operation indicating LED on the light reception section flashes The malfunction code can be determined by following the procedure described below The malfunction code is displayed when an operation error has occurred In normal condition the malfunction code of the last problem is displayed 1 Press the INSPECTION TEST button to select Inspection The equipment enters the inspection mode The Unit indication lights and the Unit No display shows flashing O indication Set the Unit No Press the UP or DOWN button and change the Unit No display until the buzzer 1 is generated from the indoor unit 1 Number of beeps 3 short beeps Conduct all of the following operations 1 short beep Conduct steps 3 and 4 Continue the operation in step 4 until a buzzer remains ON The continuous buzzer indicates that the malfunction code is confirmed Continuous beep No abnormality Press the MODE selector button The left 0 upper digit indication of the malfunction code flashes Malfunction code upper digit diagnosis Press the UP or DOWN button and change the malfunction code upper digit until the malfunction code matching buzzer 2 is generated The upper digit of the code changes as shown below when the UP and DOWN buttons are pressed MSHIS MCE SLIDES let SS I gt ri
195. C 10 an open circuit 30 or less or a short the fin thermistor resistor detects 120 Faulty inverter hen the heavy current part of inverter gets faulty gives no output Malfunction codes related to compressor current Instantaneous Current overcurrent N gt I I I I I I I I Compressor overcurrent Electronic thermal 2 Compressor overcurrent Electronic thermal 1 5 consecutive sec EE unm m w Time Troubleshooting 352 353 SiBE31 801 Part 7 Appendix 1s less Tn 354 1 1 VAI 354 1 aeo o dS fee t EET RE 359 0 366 2 Wiring Diagrams for Reference 367 2 91 Tm 367 oae 371 29 lp tte Oat ee lian Dad mace 373 O Uy Er 309 List of Electrical and Functional Parts 391 fii 391 395 AS aysa aus 401 4 1 Option List of Controllers 401 4 2 Option Lists Outdoor Unit oe 403 5 Example of Connection R 41
196. CB NO Connect the drain pump and turn on again YES The drain pump works when the power supply is reset for the indoor YES Check the drain piping for clogging or upward slope etc NO The voltage of terminals Y1 and Y2 or X25A is 220 240 within 5 minutes of resetting the power supply NO Replace the indoor unit PCB YES Replace the drain pump or check for dirt etc Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 4 55 Indoor Unit Fan Motor M1F Lock Overload Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting a FXAQ20 63PV1 FXFQ20 125P8VE Abnormal fan revolutions are detected by a signal output from the fan motor When the fan revolutions do not increase Broken wires in short circuit of or disconnection of connectors from the fan motor harness Faulty fan motor Broken wires or faulty insulation Abnormal signal output from the fan motor Faulty circuit Faulty PCB Instantaneous disturbance in the power supply voltage Fan motor lock Due to motor or external causes The fan does not rotate due to foreign matters blocking the fan Disconnection of the connector between the high power PCB A1P and the low power PCB A2P 224 Troubleshooting by Indic
197. COMPRESSORS USED FOR THEM GRGANIZATIOn ISO 5 Alofthe Daikin Group s business 14001 facilities and subsidiaries in Japan are certified under the ISO 14001 J international standard for S environment management 9 EC99J2044 4 DAIKIN INDUSTRIES LTD Head Office Umeda Center Bldg 2 4 12 Nakazaki Nishi Kita ku Osaka 530 8323 Japan Tokyo Office JR Shinagawa East Bldg 2 18 1 Konan Minato ku Tokyo 108 0075 Japan http www daikin con global_ac CAII rights reserved eSpecifications designs and other content appearing in this brochure are current as of March 2011 but subject to change without notice 1 801 C 03 2011 AK
198. DAIKIN SiBE31 801 C R 410A Service JAF IIC RTSQ10 20PY1 R 410A Heat Pump 50Hz SiBE31 801 C ZZZIIC R 410A Heat Pump 50Hz ME eigo Ip _ _ ________ access vi Li o PPE ACE X Part 1 General Information 1 1 Model Names of Indoor Outdoor 2 2 External Appearancoe 3 221 m 3 2 2 Outdoor Units and Function Units 4 Model nnne 5 4 Features of This Model Series 7 Part 2 5 sauisiux uasszaisvataxadazd ura CuEuWRERREVV FER RR MEEEFE EVER O T SPECIMENON TS 9 1 1 Outdoor Units ae eee 9 1 MAOO u 13 2 Ui uuu uuu unamasa yas 52 Part Refrigerant CIFCUIT u uu IILI IIS aus asuuswuwuwwkuaquu OO 1 Refrigerant Circuit 54 54 L2 MPBSQIORYTTL J PP Lose u 56 1 3 RTS
199. E Make opening Compressor system see 2 2 1 step down per 10 sec expansion valve see 3 Compressor system see 2 1 step up per 10 sec Pc gt 3 64 High pressure sensor MPa 4 0MPa is activated Restart standby Stop due to malfunction 2 times per 30 min at maximum ES displayed Pc Value detected by the high pressure sensor of master unit 2 For compressor system steps refer to information on P 92 and 93 8 Return high pressure refrigerant to the low pressure side Function unit Normal operation Operating in 2 stage lt 2 89MPa compression mode PcK gt 3 04MPa PcK PcN lt 0 29MPa e PcK PcN gt 0 49MPa INV compressor of BUNT INV compressor of function unit function unit 1 step down per 10 sec gt 3 g4Mpa 1 Step up per 60 sec e PcK gt 3 64MPa High pressure sensor 4 0MPa is activated Stop due to malfunction ES displayed Restart standby 2 times per 30 min at maximum PcK Value detected by the high pressure sensor of function unit PcN Value detected by the high pressure sensor of master outdoor unit 99 Function SIBE31 801 Protection Control 7 2 Low Pressure Protection Control This function is used to conduct low pressure protection control on outdoor units in order to protect compressors from transient drops in low pressure In cooling operation For
200. EAT EXCH LIQUID R7T THERMISTOR SUBCOOLING HEAT EXCH LIQUID R6T THERMISTOR HEAT EXCH DEICER EARTH WIRE SOLENOID VALVE SVG REFRIGERANT REGULATOR Functional Parts Layout THERMISTOR SOLENOID VALVE SUCTION GAS R8T Y5S x y FOR EXPANSION VALVE CHARGE Y2E HIGH PRESSURE SWITCH S1PH ws THERMISTOR INV DISCHARGE PIPE VIEW N R31T 2 4 ft m J N i Ke ais 91 L9 l HIGH PRESSURE SENSOR S1NPH a JO o H THERMISTOR AIR 1 ais g SOLENOID VALVE SVT 5 785 o 2 l COMPRESSOR INV 1 CRANKCASE HEATER SOLENOID VALVE SVO Y1S Refrigerant Circuit 775 SECT
201. EX OL NOILOANNOO H3AO 39NVHO NOILLVH3dO d S 3 3SVO S LINN SHL Q3HOV LLV IWANVW NOILVTIVLSNI SHL OL H333H STYLIA NI TIOHINOO ALOWSAY Q31903 13S 38 NYO NOILVH3dO IOYULNOD 4AO NO HO 330 5 S3HIM LAdNI IHL 9NLLO3NNOO N3HM IWANVIN 5 Q3HOV LLLV NI LINN 3H L OL LI LOANNOO H3TIOHINOO 310W3H Q3ZITVH LN3O 9NISR 3SVO ONIHIM 91915 01 TVNINH3L O HOLO3NNOO 50018 SILON S39IGN3ddV 1v29IHLO3 T3 HOS HOLdVQV SNIHIM HOLO3NNOO HOLdVQV HOLO3NNOO HOLO3NNOO f n anS NIVW HOLIMS HOLOSTAS 155 1HM HOLSIWNH3HL AHOSS39OOV 1VNOI LdO HdTIOHLINOO3LlONWJ3HQ3HIM iss SHN TIOH LNOO 3 LONW3H Q3HIM JAIVA Jf HM Ty 21 N NOISNVdX3 OINOH10313 ALA EE CIOHINOO xOO18 NZX Y90789 JVNINH3L WIX 2 022 HAWHOSSNVHL 9NIMS HOLIMS LINI1 025 HOLIMS LVOT4 15 566666 LAQCA 0 9 Q Q 9 Q 91 VYX NZX VLX V9X Tid 14 Hd 94 Hd TlOHINOO Ld ld 5 asumen E SERES o MOO HOISINHSHI 1 1 Ing VIX NOISSIASNYH L Wy 2 2 uv HOlsINH3Hl
202. Electrical and Functional Parts SIBE31 801 C Wired Remote Remote Controller BRC1E51 Parts Name Symbol FXpQ FXDQ FXDQ FXDQ FXDQ FXbQ Remark 20PBVE 25PBVE 32PBVE 40NBVE 63NBVE Option Controller 2 Remote 2 M AC 220 240V 50Hz Fan Motor 1062W 10130W BI Thermal protector Motors 130 C OFF 83 ON AC220 240V 50 2 Drain Pump M1P PLD 12230DM Thermal Fuse 145 C Thermistor Suction Air 52 Thermistors Thermistor for Heat R3T ST8605 4 8 L 800 Exchanger Moh Temp 20kQ 25 C Thermistor Heat ST8602A 4 6 L 800 Exchanger 20kQ 25 C Float Switch FS 0211E Others Wired Remote Remote Controller BRC1E51 Parts Name Symbol ExsQ FXSQ FXSQ FXSQ 5 FXSQ FXSQ Fxsa Fxso Remark a 25MVE 32MVE 40MVE 50MVE 63MVE 80MVE 100MVE 125MVE Option Controller 2 Remote 2 220 240V 50Hz m 1050W 1065W 1085W 10125 10225W X Thermal protector Motors Thermal Fuse 152 C 135 87 C ON AC220 240V 50Hz Drain Pump M1P PLD 12230DM Thermal Fuse 145 ST8601 4 4 L800 Thermistor Suction Air 20kQ 25 Thermistors Thermistor for Heat R3T ST8605 7 08 L1600 Exchanger Moh Temp 20kQ 25 C Thermistor Heat ST8602A 6 6 11250 Exchanger 20kQ 25 C Float Switch FS 0211B 397 Appendix SIBE31 801 C List of Electrical and Functional Parts Wired Remote Remote Controller BRC1E51 Control
203. FXFQ100P FXFQ125P 600x600 4 Way Blow Ceiling Mounted Cassette FXZQ20M FXZQ25M FXZQ32M FXZQ40M FXZQ50M 2 Way Blow Ceiling Mounted Cassette FXCQ20M FXCQ25M FXCQ32M FXCQ40M FXCQ50M FXCQ63M FXCQ80M FXCQ125M Ceiling Mounted Corner Cassette FXKQ25MA FXKQ32MA FXKQ40MA FXKQ63MA Slim Concealed Ceiling Unit FXDQ20PB FXDQ40NB FXDQ25PB FXDQ50NB FXDQ32PB FXDQ63NB with Drain Pump VE Concealed Ceiling Unit Small FXDQ20M FXDQ25M Concealed Ceiling Unit FXSQ20P FXSQ25P FXSQ32P FXSQ40P FXSQ50P FXSQ63P FXSQ80P FXSQ100P FXSQ125P Concealed Ceiling Unit FXMQ20P FXMQ25P FXMQ32P FXMQ40P FXMQ50P FXMQ63P FXMQSOP FXMQ100P FXMQ125P FXMQ140P SiBE31 801_C Concealed Ceiling Unit Large FXMQ200MA FXMQ250MA Ceiling Suspended Unit FXHQ32MA FXHQ63MA FXHQ100MA Wall Mounted Unit FXAQ20P FXAQ25P FXAQ32P FXAQ40P FXAQ50P FXAQ63P Floor Standing Unit FXLQ20MA FXLQ25MA FXLQ32MA FXLQ40MA FXLQ50MA FXLQ63MA Concealed Floor Standing Unit FXNQ20MA FXNQ25MA FXNQ32MA FXNQ40MA FXNQ50MA FXNQ63MA BS Units BSV4Q100P BSV6Q100P 4 way Blow Ceiling Suspended Unit Connection Unit Series FXUQ71MA BEVQ71MA FXUQ100MA 100 FXUQ125MA 125 Connection Unit Outdoor Air Processing Unit FXMQ125MF FXMQ200MF FXMQ250MF General Information SiBE31 801 C External Appearance 2 2 Outdoor Units and Function Units B 10HP S
204. Fan control is activated for HP protection under cooling control Either of the electronic expansion at low outdoor temperature valves becomes fully open i e the fan is hunting at HP Frequency comes to the minimum 4 High pressure HP drops with decrease LP is maintained in compressor capacily at a constant level Low pressure LP rises as the opening degree of the indoor unit electronic expansion valve becomes larger Frequency slightly increases under th capacity control Frequency If frequency comes to the minimum level LP cannot be maintained To maintain LP frequency drops due to the capacity control The opening degree of the outdoor unit electronic expansion valve becomes larger I The outdoor unit electronic expansion valve fully opens and frequency increases I Discharge pipe or LP drooping control I Frequency comes to the minimum level High pressure is maintained iat a constant level Frequency To maintain LP frequency drops due to the capacity control Frequency drops due to the drooping control Degree of refrigerant shortage Proper quantity ix Higher degree of shortage 349 Troubleshooting SiBE31 801 C Troubleshooting Heat Reclaim Ventilation 6 16 Vacuuming and dehydration procedure Conduct vacuuming and dehydration in the piping system following the procedure for Normal vacuuming and dehydration de
205. H EN Function Opens while in heating operation or all indoor units are in cooling operation Max 760pls 2 Electronic expansion valve EVL Opens while in cooling operation Max 760pls Electronic expansion valve EVHS Opens while in heating operation or all indoor units are in cooling operation Max 480pls 4 Electronic expansion valve EVLS Opens while in cooling operation Max 480pls In simultaneous cooling and heating operation it is used to subcooling M Electronic expansion valve EVSC liquid refrigerants when an indoor unit downstream of this BS unit is in heating operation Max 480pls Capillary tube Used to bypass high pressure gas to low pressure side to protect Refrigerant accumulation in high and low pressure gas pipes Note Factory setting of all EV opening 60pls Liquid Indoor side Refrigerant Circuit Liquid Outdoor side Dual Pressure Suction 60 Refrigerant Circuit 51 1 801 C 1 5 Function Unit BTSQ20P No Function Inverter compressor is operated on frequencies between 52Hz and M1C Inverter compressor 280Hz by using the inverter Compressor operation steps Refer to page 93 2 Y1E Electronic expansion valve Liquid Used to conduct PI control so that the discharge pipe superheated injection degree of the compressor will be kept constant Y2E1 Electronic expansion valve Two o Open fully open to conduct heati
206. HINOO SLOWSY GAZIMVYLNSO ONISN 3SVO NI Y18 9uO MOV Ia MOTISA MTA MNId N33H9 NH9 JLIHM LHM Q3d SMOTTIOJ SV SMOHS S IOS8INAS 6 IWANVA NOLIVTIVLSNI Q3HOVLIV 3ONVQHOOOV NI LINN HOLO3NNOO ONIHIM 919154 HIE HOLO3NNOO HOLSIINH3H L UJ JVNINH3IL 011 HOLO3NNOO 1HOHS SMOHS 59 v SILON SIN A LINN HOOGNI vn 1OH1NOO HATIOHLNOO EF 1NOU 31O0lA3H 1HM E dr NIX WIX H em dVHo 81155 ALON 291 018 H3TIOH1NOO SLOWSY ma OHO HO ONIHIM NOISSINSNVHL ZAMIA HO 8 ALON 8 ALON se NZX div 3015170 WOU We co le V8EX VSEX i7 S ALON 000 09 d 8 31ON H3TIOH LNOO 310W3H SS3 T3HIM ciem 9d LINN AV1dSIQ H3AI323H v Velx Q lot l 21409 9 AOv2 022 919 iil irae ie NH9 OX dev 15S SS3uaav ssa13uUlM HOLIMS HOLO3T13S HOLIMS HOLO313S 165 q49NVHO LSOHH3Q 30010
207. High pressure sensor Used to detect high pressure S2NPL Used to detect low pressure High pressure switch For This functions when pressure increases to stop operation and avoid high pressure STD compressor 1 increase in the fault operation Ls Liquid pipe by pressure increase in transport or storage ENEN EET EEEE Refrigerant regulator by pressure increase in transport or storage 23 Subcooingheatexchanger Apply subcooling toliquid refrigerant O OoOO o O 24 Refigerantreguetor Surplus refrigerant is held according to the operation conditons 25 Used o retum the refrigerating oil separated through the oil separator to the INV compressor 26 Used to retum the refrigerating o separated through the oil separator to the STD1 compressor _ tube This is used to discharge refrigerant from the refrigerant regulator RIT Thermistor Outdoor air Ta Used to detect outdoor temperature correct discharge pipe temperature and others H H This detects temperature of gas pipe for air heat exchanger Used to exercise the R2T Thermistor Heat exchanger constant control of superheated degree when an evaporator is used for outdoor unit gas pipe Tg heat exchanging 31T Thermistor INV discharge pipe Tdi m Used to detect discharge pipe temperature Used for compressor te
208. Humidifier Float switch OFF ON ON OFF Drain pump 9 If the thermostat turns OFF the drain pump will conduct residual operation for a period of 20 minutes regardless of its operating status 10 If the float switch is not reset within a period of 5 minutes after it is activated the remote controller will display the malfunction code A3 and the system will make a stop due to malfunction 123 Function SiBE31 801 Outline of Control Indoor Unit 9 4 Freeze Prevention Freeze When the temperature detected by liquid pipe temperature thermistor R2T of the indoor unit Prevention by Off heat exchanger drops too low the unit enters freeze prevention operation in accordance with Cycle Indoor the following conditions and is also set in accordance with the conditions given below Unit When freeze prevention is activated the electronic expansion valve is closed the drain pump turns ON and the fan tap is fixed to L airflow When the following conditions for stopping are satisfied it returns Conditions for starting freeze prevention Temperature is 1 C or less for total of 40 min or temperature is 5 C or less for total of 10 min Conditions for stopping freeze prevention Temperature is 7 C or more for 10 min continuously 10 min 7 C 0 C 5 C Freeze prevention operation Forced OFF by thermostat OR 10 min 7 C 0 C 1 C Freeze prevention operation Forced OFF by thermostat t1 t2 t3 gt
209. ION PRESSURE SENSOR LOW PRESS THERMISTOR S2NPL 64 Functional Parts Layout 2 2 RTSQ10P 12 SOLENOID VALVE SVL Y4S ELECTRONIC EXPANSION VALVE SUBCOOLING Y3E SOLENOID VALVE SVE Y6S Front View INVERTER FAN M1F FOUR WAY VALVE PIPE Y2S FOUR WAY VALVE HEAT EXC Y3S ELECTRONIC EXPANSION VALVE MAIN THERMISTOR INV DISCHARGE PIPE R31T ELECTRONIC EXPANSION VALVE CHARGE SiBE31 801 C THERMISTOR SOLENOID VALVE SUCTION HOT GAS R8T Y5S Y2E INSULATION TUBE HIGH PRESSURE SWITCH SECTION MM LOW PRESSURE SENSOR S2NPL S2PH HIGH PRESSURE SWITCH S1PH THERMISTOR STD1 DISCHARGE PIPE THERMISTOR HEAT EXC GAS R2T THERMISTOR R7T THERMISTOR R6T THERMISTOR HEAT EXCH DEICER R4T EARTH WIRE SOLENOID VALVE SVG Y1S SOLENOID VALVE SVO Y7S 65 F L
210. Improper Combination of Indoor and Outdoor Units Indoor Units and Remote Controller 312 4 54 ul Address Duplication of Centralized Controller 316 4 55 ut Malfunction of Transmission between Centralized Controller and Indoor Unit 317 4 56 tF System is not Set yet 320 4 57 Malfunction of System Refrigerant System Address Undelfined 321 5 Troubleshooting OP Centralized Remote Controller 323 Sb desar es 323 5 2 Malfunction of Transmission between Optional Controllers for Centralized Control 324 5 3 Mn Improper Combination of Optional Controllers for Centralized reci doped 325 5 4 Address Duplication Improper Setting 327 SiBE31 801 6 Troubleshooting OP Unified ON OFF Controller 328 Operation Lamp secti cepi um 328 6 2 Display Under Centralized Control Blinks Repeats Single Blink 330 6 3 Display Under Centralized Control Blinks Repeats Double Blink 333 7 Troubleshooting Heat Reclaim Ventilation
211. L MESES M N SiL R3T R2T X18AX15A X24A HAP Receiver Display unit Control box X33A Eod 9 xaoA Input from outside Note 3 X7A 5555 Centralized remote controller popo a 20265559 1 X38A note 1 X16A Wired remote zem g controller 1 I I 11 20 63 CLASS 80 125 CLASS 22 71 CLASS 90 140 CLASS Thermistor coil Selector switch main sub Printed circuit board Thermistor header Selector switch Wireless address set 2M A1P A2P 9 TIT Terminal Colors RED Red PRP Purple ORG Orange D Connector BLK Black GRY Gray GRN Green Connector WHT White Blu Blue Ar Field wiring YLW Yellow PNK Pink NOTES 1 In case of using centralized remote control connect it to the unit in accordance with the attached installation manual 2 X24A X35A en X38A are connected when the optional accessories are being used 3 When connecting the input wires from outside forced of on off control operation can be selected by the remote controller see installation manual for more details 4 Confirm the method of setting the selector switch SS1 SS2 by installation manual and engineering data etc 3TW31056 1 373 Appendix SiBE31 801 FXZQ20M 25M
212. L Ts te dat l3 H3 l3 534019 2 eel uar 3A1VA 505 NOISNVdX3 HOLIMS HOLIMS LOSS 39055399 ual 3unsSdud yarn Fg qioNa1os 21 so1vmoau HOIH JAYA uar dION310S AuVTIIdvO HOLVHVd3S HOlVHVd3S HOLVHVd3S 110 1HOd uar 3OlAH3S 2 Hal JAYA AVM lt 22 3ATVA MOAHO AN IVA MOAHO uen JAYA AYM ne H31H3ANI Barid ages H39NvHOX3 H31H3ANI 1V3H i ES dat i3 JN TIVA MOSHO dax ld 3ATVA NOISNVdX3 OINOH1O313 RTSQ14PY1 16PY1 3HnSS3ud 111058 3ATvA ONILV T0938 38nSS3Hd 3ATVA X423H2 IMYA dd ren ONILVIn93H 3unssaud HJNIVHIS P ANWA NOISNVdX3 H3SNVHOX3 OINOHLO3 3 1V3H 5 2 LHOd 6 HLIM SATIVA 4015 Jdid SVS 3dld GINOM Appendix 357 P SiBE31 801 C iagrams iping 5 20 1 90 Fan
213. ME Fan MF with set airflow rate Operating in L mode Stop EI i El See valve 20E 5 valve Capacity control Open 2 If the condenser inlet temperature exceeds 34 at the time of starting operation or after the completion of defrost operation or until 3 minutes pass or Tc is above 52 C hot starting will be la 2 Set temp Suction air temp 15 Outlet air temperature drop protection When the set temperature is below 24 C or the electronic expansion valve opening is small the protection will be activated Function SiBE31 801 Outline of Control Indoor Unit 9 2 Thermostat Control 9 2 1 Thermostat Control for VRV Multi System The thermostat control for VRV multi system is available in the three patterns shown below 1 Using suction air thermistor body thermostat and remote control thermistor in combination Factory setting For VRV multi system the suction air thermistor body thermostat of indoor unit and the thermistor of remote controller BRC1C62 are used in combination to control room temperatures For the operating ranges of thermistors refer to information on the following page 2 Only using suction air thermistor body thermostat f the remote control thermistor is unable to sample room temperatures it will be needed to make a change to the thermistor selection from Remote control thermistor Suction air thermistor to Suction air thermistor by the use of field setting mod
214. Malfunction of swing flap motor Malfunction of moving part of electronic expansion 232 valve Dust clogging 2 Drain level about limit Malfunction of air filter maintenance Malfunction of capacity setting Malfunction of thermistor for heat exchange loose 238 connection disconnection short circuit failure Malfunction of thermistor for gas pipes loose 239 connection disconnection short circuit failure Malfunction of thermistor for air inlet loose 240 connection disconnection short circuit failure Malfunction of thermistor for discharge air loose 241 connection disconnection short circuit failure Malfunction of room temperature thermistor in 242 remote controller Outdoor Unit Et PCB defect E 9 Actuation of high pressure switch E4 oO Actuation of low pressure sensor E85 o o _ Compressor motor lock E o o o _ Standard compressor lock or overcurrent Ej o o afunctonofoutdoorunitfan motor E Malfunction of electronic expansion valve F8 o o _ Abnormal discharge pipe temperature F6 o o o Pefigerantovercharged Hr o o o Anormaloutdoorfanmotorsignal H9 Malfunction of thermistor for outdoor air loose 261 connection disconnection short circuit failure 4 o o o Curentsensormalfunction J3 Malfunction of discharge pipe thermistor loose 263 connection disconnection short circuit failure 4 Malfu
215. N button 853 twice Press the MODE button BS1 once Step 1 Press the MODE button BS1 for 5 O Disabling the STD compressor 2 from operating RTSQ14 16P Set 19 of setting mode 2 to Disable STD compressor 2 operation LED display O ON OFF 9 Blink 2 4 5 6 Seconds or more Press the SET button BS2 19 times Press the RETURN button 853 once Press the SET button BS2 once Press the RETURN button 853 twice Press the MODE button BS1 once Step 1 Press the MODE button BS1 for 5 2 3 4 5 Seconds or more Press the SET button BS2 19 times Press the RETURN button BS3 once Press the SET button BS2 twice Press the RETURN button 853 twice 6 Press the MODE button BS1 once On the models RTSQ14P and 16 if the compressor is set to Operation prohibited only one STD compressor will operate due to oil equalization O000000 O00000 O000000 O000000 O000000 0070000 O000000 oOeoeeoo O000000 O000000 O000000 0070000 O000000 oOeoeeoo O000000 O000000 O000000 0070000 On the models RTSQ14P 16 the STD compressor 1 cannot be set to Operation prohibited due to oil equalization 190 Field Setting SiBE31 801 C Disable operation setting of the outdoor unit Applied model RTSYQ20P Make disable operation setting by each outdoor unit Make
216. ND Master Slave nolse H7P 5 H6P Factory setting O000000 Level 1 outdoor fan with 6 step or lower Q e e e Q Level 2 outdoor fan with 5 step or lower Q e O Level 3 outdoor fan with 4 step or lower O e e Q Q ENECUT output OFF oOe00000 ENECUT output forced ON Level 1 outdoor fan with5steporlowr Level 2 outdoor fan with 4 step orowe O Level 3 outdoor fan with 3 step or lower O About 20 00 About 22 00 factory setting About 24 00 01111011 About 6 00 About 7 00 O90000 About 8 00 factory setting 0 40509206 ON 090090 0 Night time low noise setting ENECUT test 24 operation Domestic Japan only 25 Low noise setting Night time low noise operation start setting 26 Night time low noise operation end setting Power transistor check mode Capacity precedence setting 27 28 29 eh 60 demand Level 1 01111110 70 demand Level 2 oOeoce0000 80 96 demand Level 3 7000090 0 30 Demand setting 1 Normal demand setting 09000 Ol i I Jel 090000 Master unit operation Inhibited O99000 Emergency operation 1 Emergency operation 2 Emergency operation 3 090000 no 38 39 2 4 0e
217. NN 359 1 2H 1 2H 1 2H O Soft Annealed H Hard Drawn Precautions for New Refrigerant R 410A SiBE31 801 C Precautions for New Refrigerant R 410A 1 Flaring tool Flare gauge 1 0 TASCO JAPAN CO L Specifications e Dimension 2 Nominal size Class 2 R 410A Class 1 Conventional Low s po n 13 2 B Differences Change of dimension A Dimension A x For class 1 R 407C For class 2 R 410A Conventional flaring tools can be used when the work process is changed change of work process Previously a pipe extension margin of to 0 5mm was provided for flaring For R 410A air conditioners perform pipe flaring with a pipe extension margin of 1 0 to 1 5mm For clutch type only Conventional tool with pipe extension margin adjustment can be used Precautions for New Refrigerant R 410A 418 Precautions for New Refrigerant R 410A SiBE31 801 C 419 2 3 Torque wrench Specifications Dimension B Unit mm Nominal size Class 1 Class 2 Previous 1 No change in tightening torque No change in pipes of other sizes Change of dimension B Only 1 2 5 8 are extended For class 1 407 For class 2 R 410A Dimension B Differences Vacuum pump with check valve Vacuum pump adaptor Reverse flow preventive vacuum adaptor Specifications Discharge speed Maximum degree of vacuum 50 l min BOHZ Select a vacuum pump
218. NO Continued to on the following page Make sure there are no hazardous situations and then turn ON the power supply Make correct setting of the centralized control group No Check outdoor units to which the refrigerant system is connected Check whether or not there are no problems with the transmission wiring length types of cables and wires number of units connected and others If no problems replace the indoor unit PCB Reset the power supplies of every centralized controller For the intelligent Touch Controller register the air conditioner again while in DIII NET test run menu 318 Troubleshooting by Indication on the Remote Controller Troubleshooting 319 Check the transmission wiring between centralized controller for any broken wire For details refer to information in the Procedure for checking broken wires section Abnormal Normal Has the master unit central setting connector been connected NO YES Disconnect the transmission wiring of the master unit centralized controller and then check the voltage between the transmission terminals F1 and F2 of the master unit transmission equipment using a multiple meter Is the voltage between the terminals F1 and F2 in the range of 15 2 to 17 6 VDC YES NO eia Referring to the information on P 344 SiBE31 801 C Correct the wiring Co
219. OFF iu Float switch i mE ON Drain pum EST OFF lt gt 5 min 5 min 5 sec 1 Normal operation 2 Malfunction residual 1 Normal operation The objective of residual operation is to completely drain any moisture adhering to the fin of the indoor unit heat exchanger when the thermostat goes off during cooling operation 2 Malfunction residual The remote controller will display A3 and the air conditioner will come to an abnormal stop in 5 minutes if the float switch is turned OFF while the cooling thermo is ON 9 3 2 When the Float Switch is Tripped while the Cooling Thermostat is OFF Enters malfunction treatment if the float switch is not reset within 5 minutes Thermostat ON Remote controller flashing malfunction stop runnin running OFF Float switch ON ON OFF lt gt 5 min 55 5 5 ee 8 Malfunction residual The remote controller will display A3 and the air conditioner will come to an abnormal stop if the float switch is turned OFF and not turned ON again within 5 minutes while the cooling thermo is OFF 121 Function SiBE31 801 Outline of Control Indoor Unit 9 3 3 When the Float Switch is Tripped and AF is Displayed on the Remote Controller Enters malfunction treatment if the float switch is not reset within 5 minutes Remote ON I Aqu controller display AF display running
220. Od Appendix 367 Diagrams for Reference iring RTSQ10PY1 12PY1 SiBE31 801 C 368
221. Pa Hot gas solenoid valve 15 Low pressure standby occurs Pe lt 0 07MPa 4 times in a period of 60 min Restart standby Stop due to malfunction 8 times per 60 min at maximum E4 displayed 101 Function SIBE31 801 Protection Control 7 3 Discharge Pipe Protection Control This discharge pipe protection control is used to protect the compressor internal temperature against a malfunction or transient increase of discharge pipe temperature This control is performed by each compressor INV compressor Thefollowing control is performed for each compressor of outdoor and function unit Normal operation HTdi Value obtained by correcting the discharge Pane 2 pipe temperature Tdi of m EDU UEM MEE m INV compressor with Compressor see 1 compressor see 71 outdoor temperature 1 step down 1 step up 51 For INV compressor HTdi gt 115 C steps refer to information A lapse of 30 sec on P 92 and 93 Master Slave units Lower limit of compressor HTdi 120 C continues step on this control for a period of 90 sec 62 Hz OFF OFF Compressor 62 Hz ON OFF HTdi gt 120 C continues for a period of 90 sec Compressor see 2 62 Hz OFF OFF Master unit HTdi gt 135 C e HTdi gt 120 C continues for a period of 10 min Discharge pipe temperature standby occurs 3 times in a period of 100 min Restart st
222. Press MODE selector button Troubleshooting 206 Troubleshooting by Remote Controller 51 1 801 C 3 4 Remote Controller Service Mode Operating the CHECK TEST button on the remote controller will make it possible to obtain service data and change service setting while in service mode How to Enter the Service Mode ee M Field setting mode Press and hold Cancel button for 4 seconds or more Press and hold Cancel button for 4 seconds or more Service Mode 1 Select the mode No Operation Select the desired item from the Service menu and then press Menu Enter button Method 2 Select the Item 2 Select the desired Unit No using the A W Up Down buttons The corresponding data will be displayed For details refer to the table in next page 207 Troubleshooting SiBE31 801 C Troubleshooting by Remote Controller 1 Model Name Display 1 Unit No Select the Unit No you want to check 2 unit 3 Outdoor unit 2 Operating Hours 1 Unit No Select the Unit No you want to check Display 2 Indoor unit operating All of these are displayed in hours time 3 Indoor fan operation 4 Indoor unit energized time 5 Outdoor operating time 6 Outdoor fan 1 operation 7 Outdoor fan 2 operation 8 Outdoor comp 1 operation 9 Outdoor comp 2 operation 1 Unit No Select the Unit No you want to check 2 FAN Tap speed rpm 3 FLAP Swing fixed 4 Speed Fan speed rpm
223. Q14PYT1T 58 1 4 BS Unit Functional Parts 60 o IUE u u uuu uu 61 129 u ______________ 62 2 Functional Parts 64 s m 64 22 OC M ____ 65 p 66 24 5 020 67 3 Refrigerant Flow for Each Operation 68 Part 4 4 4 OO 1 Function General u aspen 82 11 Operation 82 D o u u ux 83 2 Stopping Op ratl flu 84 2 1 When System is in Stop Mode 84 2 2 Stop due to Malluneliofi LLL uu L aus enne 84 ONES 85 3 1 Restart a a nis 85 i Table of Contents SiBE31 801 3 2 Crankcase Heater Control 85 A ROLON CONVO Too TT 86 4 1 Rotation of Outdoor 86 4 2 Operating Priority and Rotation of Compressors 86 92 Slip ENERO 87 5 1 Startup Control in Cooling Operation 87 5 2 Startup Control in Heating
224. R DISCHARGE AIR FOR ELECTRICAL APPENDICES TRANSFORMAR 220 240V 22V NOTES 1 00 TERMINAL BLOCK e o D CONNECTOR O TERMINAL I3 SHORT CIRCUIT CONNECTOR III FIELD WIRING 2 IN CASE USING CENTRALIZED REMOTE CONTROLLER CONNECT IT TO THE UNIT IN ACCORDANCE WITH THE ATTACHED INSTRUCTION MANUAL 3 IN CASE INSTALLING THE DRAIN PUMP KIT REMOVE THE SHORT CIRCUIT CONNECTOR OF X8A AND EXECUTE THE ADDITIONAL WIRING FOR FLOAT SWITCH AND DRAIN PUMP IN CASE CONNECTING THE INPUT WIRES FROM OUTSIDE FORCED OFF OR ON OFF CONTROL OPERATION CAN BE SELECTED BY REMOTE CONTROLLER IN DETAILS REFER TO THE INSTALLATION MANUAL ATTACHED TO THE UNIT DO NOT REMOVE SHORT CIRCUIT CONNECTOR OF X9A SYMBOLS SHOW AS FOLLOWS PINK WHT WHITE YLW YELLOW ORG ORANGE BLU BLUE BLK BLACK RED RED BRN BROWN Appendix C 3D044996D 388 SiBE31 801 Diagrams for Reference iring W 2 4 BSUni BSV4Q100PV1 882669006 i m __ _ 1081NOO 4 1 TVNINH31 NLX 3409 30834 311430041 0212 14405 HSMOd Sd NIVA JATYA NOISNYdX3 2INOULO3 390VHOSIONIVI 3NWANOISNYDGOINOHID38 _______ NOLLONS 816 SATA NOISNY 3 2 012313 052476157394 5 905 ATYA NOS 90150 1002 915 3NVANOISNYdX3 2 012313 d LINN 08908
225. RC Mastr EN Touch Master Controller CRC Centralized remote controller DCS302CA61 intelligent Touch Controller lt DCS601C51 gt patterns marked with have nothing to do with those described in the list of Setting of master unit central setting connector Troubleshooting 346 Troubleshooting Heat Reclaim Ventilation 021 0610 Check for causes of wet operation SiBE31 801 Referring to the Fault Tree Analysis shown below identify faulty points Faulty crankcase heater Refrigerant accumulation Frequent ON OFF of compressor Overcharge of refrigerant Faulty indoor Faulty valve coil unit electronic Cooling expansion valve Faulty valve body Indoor unit Faulty indoor unit valve opens too gas pipe thermistor Faulty control Faulty indoor unit liquid pipe thermistor Faulty control PCB Faulty outdoor Faulty valve coil r XE Ze lt Refer to RlzZ lt Does the valve coil have normal resistance and insulation Refer to P 408 lt Is the connector correctly connected Are the thermistor resistance characteristics normal Is the connector correctly connected Are the thermistor resistance characteristics normal lt Does the valve coil have normal resistance and insulation Refer to P 408 lt Are the voltage characteristics normal Is the connector correctly connected Does the thermistor have normal r
226. Reclaim Ventilation SiBE31 801 C 7 4 5 Damper System Error Alarm I Remote Error Code Inspection Blinking Unit No Blinking Controller LCD Display Applicable Heat reclaim ventilation Models Method of Measurement of damper motor limit switch ON OFF time and temperatures detected by outdoor Malfunction and indoor air thermistor Detection Malfunction m When damper system error alarm and indoor or outdoor thermistor error are generated at Decision the same time Conditions m When damper system error alarm occurs and values of indoor and outdoor air thermistor meet frost conditions Supposed Causes Faulty damper motor or limit switch Faulty indoor air thermistor Faulty outdoor air thermistor Frosting Broken wire in cable Faulty contact in connector including relay connector Faulty control PCB assembly Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check error record on malfunction history display in service mode utz Chu C n NO a A QUE Take corrective measures recorded specified for damper system error alarm Remove the cause of problem YES and reset display LL 1 22 Take corrective measures i specified for damper system error alarm and indoor and outdoor air thermistor errors YES NO Take corrective measures specified for damper syste
227. SLH Jo Aue 104 gt __________ ______ ___2__________________ ___ amd UOIsuedxo uolsuedx UoIsuedxo G _ 49MIj _ JOU 5 x x C a o 33O ue NO nm lt ORO OO T pinbi eansseud ainsseid Joopu c 75 PEU IUE _ gt AAO NO oo 9 002 440 uoiws 2 NO uos NO uoneiedo 68 Refrigerant C SiBE31 801 C Refrigerant Flow for Each Operation Mode Cooling Oil Return Operation SJosseJduJoo seu dc LOS LH pue siossejduioo Seu d0 LOS LH d9LOS 1H 20 eui swous aniy e gt 3s yeoH 69 uoisuedxo eJnsseJd 9IU0JI29 3 29114 ubi Np Hats 5 Haz 4 aye 0905 eqni ainssaid uid 2 mss duiH guess I 1915 9 904 1155910 INO YOOUD 21 YOOYD 7 2110506 Jo X NBA
228. STALLATION MANUAL FOR DETAILS 2TW23666 1E 379 Appendix SiBE31 801_C Wiring Diagrams for Reference FXSQ20P 25P 32P 40P 50P 63P 80P 100P 125P7VEB m DLE LAC CLE a a ee Taf RIT R2T R3T 220 inda 7 i 1N 220 240V 50Hz 720 s 1 YLW YLW M m E use m XA X18A 7 X15A Q1D1 ji Input from outside note 3 Transmission wiring 2 Centralized remote controller For 60 125 class 71 140 class A3P 22 L1R A2P 551 229 X6A For 20 50 class L1R i 22 56 class Wired remote control optional accessory P X28A aN 35 X33A U gt Switch box indoor only for 60 125class 71 140 class Indoor unit Switching power supply Electronic expansion valve Printed circuit board Q1DI Earth leak detector Z1C Z2C Noise filter Printed circuit board fan Resistor current limiting Printed circuit board capacitor R2 Oureniseningdeice L CC CW Ci C C3 R4 Resistor electric discharge 221 F1UF use T 3 15A 250V Thermistor suction air Connector optional accessory F2UF use T 5A 250V Thermistor Liquid X28A Connector power supply for wiring F3UF use T 6 3A 250V Thermistor gas X35A Connector adaptor
229. Single system Settings and display confirmations are to be made at the EL COMPO BOX case of Multi system Check the settings and display results on the master remote controller In case the unit is operated with the leak detection function available B the outdoor temperature must 0 C DB 43 C DB B the indoor temperature must be 10 DB 32 C DB In case the unit is operated out of the temperature range as instructed above the display of the remote controller shows gt and the unit operates without the availability of the leak detection function In the check operation the following checks and judgement will be performed m Check of the stop valve opening m Check for wrong wiring m Check of refrigerant overcharge m Initial refrigerant detection In case the leak detection function is available the check operation will last 2 hours otherwise it takes between 40 and 60 minutes to complete the check operation Abnormalities on indoor units can not be checked for each unit individual After the check operation is finished check the indoor units one by one by performing a normal operation using the remote controller 1 4 1 Procedure of Check Operation ilis 2 Test Operation Close all front panels except the front panel of the electric component box Turn ON the power to the outdoor unit and the connected indoor units Be sure to turn on the power 6 hours before operation in order to have power running t
230. T selection 71 2 Setting of low noise operation 1 O c c c 2 LL Setting of demand operation 1 Setting of address Setting of high static pressure Test Operation B COOL HEAT selection methods are possible to select from the following 1 Control by each outdoor unit using the indoor unit remote controller 2 Batch control by outdoor unit group using the indoor unit remote controller 3 Batch control by some groups using the COOL HEAT centralized remote controller A Use external input to step down the upper limit of the fan factory setting to Step 8 providing low noise level 1 Mode 1 Step 5 or lower 2 Mode 2 Step 4 or lower 3 Mode 3 Step 3 or lower The low noise operation aforementioned is enabled in nighttime automatic low noise operation mode Start time Possible to select in the range of 20 00 to 24 00 hours End time Possible to select in the range of 06 00 to 08 00 hours Use the said time as a guide since the start time and the end time are estimated according to outdoor temperatures Used to place limits on the compressor operating frequency to control the upper limit of power consumption 1 Mode 1 of Demand 1 60 or less of rating 2 Mode 2 of Demand 1 702 or less of rating 3 Mode 3 of Demand 1 80 or less of rating 4 Demand 2 40 or less of rating b Demand 3 Forced thermostat OFF Use
231. TOR 1 VIEW NN SUBCOOLING GAS R5T Front View INVERTER FAN M1F INVERTER FAN M2F A FOUR WAY VALVE PIPE x pce ENT s SS 25 bd FOURWAY VALVE HEATEXC Ta x pacc es b Y3S Cc eee Deak i ASL E Co as zr HIGH PRESSURE SENSOR ELECTRONIC EXPANSION VALVE 7 S1NPH MAIN j ME INSULATION TUBE THERMISTOR HEAT EXC GAS R27 sels Ld THERMISTOR AIR 1 THERMISTOR COMPRESSOR INV HEAT EXCH LIQUID MIC 877 THERMISTOR 5 0 SUBCOOLING LIQUID R6T i i THERMISTOR COMPRESSOR STD1 2 ee e COMPRESSOR STD2 EARTH WIRE M3C Ss Dc DERE a E CRANKCASE HEATER d 54 E3HC SOLENOID VALVE SVG A Y1S SOLENOID VALVE SVO CRANKCASE HEATER CRANKCASE HEATER Y7S E1HC E2HC Refrigerant Circuit 66 Functional Parts Layout 2 4 BTSQ20P Plan SiBE31 801 C GAS AND LIQUID SEPARATOR S1NPH Front View SOLENOID VALVE TWO STAGE PRESSURE REDUCTION Y2S ELECTRONIC EXPANSION VALVE TWO ST
232. Test Operation SiBE31 801 C Field Setting 3 1 2 Wireless Remote Controller Indoor Unit BRC7C type BRC7E type BRCAC type MODE NO FIELD SET MODE SECOND CODE NO FIRST CODE NO 1 When the normal mode push the 5 button for 4 seconds or more and operation then enters the field set mode Select the desired mode No with the button Pushing the 4 button select the first code Pushing the V button select the second code No Push the timer Cy button and check the settings Push button to return to the normal mode ook O S Example When setting the filter sign time to Filter Dirtiness High in all group unit setting set the Mode No to 10 Mode setting No to 0 and second code No to 02 Test Operation 150 Field Setting SiBE31 801 C 3 1 3 Simplified Remote Controller BRC2A51 BRC2C51 151 Olesz OF 6 BS6 357858 BS9 BS1C 55 8 2 7 4 5 6 Hemove the upper of remote controller 2 When in the normal mode press the 856 BUTTON 2 field set and the FIELD SET ON CI MODE is entered Select the desired MODE No with the 852 BUTTON temperature setting A and the 853 BUTTON 3 temperature setting Y During group control when setting by each indoor unit mode No 20 22 and 23 have been selected push the 858 4 BUTTON unit
233. U 21 Z YOOYD 7 anjosqe jo LO 4 91155914 PE d SU e anen nod reiide ZO yoayd JO iJoDueuoxe uereg eJnssaJg M JOH UOISuedxo 491 pue dOLOSLH JO Aue 104 uolsuedx 1e sid 261 a 3dO ainsseid einsseid einsseJd uBiH 440 Yms uonejedo x eqni Medeo x 101818095 ufi 1 1l 3 H pue seo L eunsseud uiu 299914 e HHEN josues 91 55914 i f ANBA 399191 XO V 2949 ore plou oS I I edid pinbr YIAN ALA 9 plouejos s uoisuedxe gt edid i YOOUD aqny Mejide od N ind edid sec Uoisuedxe 9IUOJJ29 3 1 1l d A 8A Sluo1 5 9 3 sey i anea gt IUE ERES piouejos Z uod 99IMeSg 5
234. UB CONNECTOR FOR OPTIONAL PARTS MOTOR DRAIN PUMP WIRELESS REMOTE CONTROLLER CONNECTOR MIS MOTOR SWING RECEIVER DISPLAY UNIT ADAPTOR FOR WIRE Qipi FIELD EARTH LEAK DETECTOR PRINTED CIRCUIT BOARD CONNECTOR ON OFF MAX 300mA PRINTED CIRCUIT BOARD X18A WIRING ADAPTOR FOR THERMAL PROTECTOR PUSH BUTTON ON OFF ELECTRICAL APPENDICES EMBEDDED HIP LIGHT EMITTING DIODE RED RED PNK PINK THERMISTOR AIR ON RED ORG ORANGE THERMISTOR COIL LIQUID LIGHT EMITTING DIODE WHT WHITE GRN GREEN THERMISTOR COIL GAS TIMER GREEN YLW YELLOW BLU BLUE O 3 WHEN CONNECTING THE INPUT WIRES FROM OUTSIDE FORCED OFF OR ON OFF CONTROL OPERATION CAN SELECTED REMOTE CONTROLLER IN DETAILS REFER TO THE INSTALLATION MANUAL ATTACHED TO THE UNIT 4 REMOTE CONTROLLER MODEL VARIES ACCORDING TO THE COMBINATION SYSTEM SEE TECHNICAL DATA AND CATALOGS ETC BEFORE CONNECTION Appendix 3TW26426 1C 374 Wiring Diagrams for Reference 51 1 801 C FXCQ20M 25M 32M 63M8V3B 1 80 2 2301 20 25 32 63 CLASS om 0228361 CLASS TIR D Q2 E FoU fe indoor D E dod d SWITCH BOX T 35 3H WIRED REMOTE CONTROLLER Note 2 M gt 2 RECEIVER DISPLAY UNIT
235. UD 222 yoayg 21 308uO zi Deu Z Jo uol1lo9lqd NBA Bunena 5 91155914 m Id pinD i YOOYD eqni Medeo 2 od ed A BA i 9 uno 10 9 Uuoisuedxe JeDueuoxe 24 Medeo 09105 18H 1914 Vonen UoIsuedxe 9IU0J129 3 91U0129 3 lom piou los 2 uod S jeou 8 plou oS o 9 Buljoooqns EEE 051 aNeA Uoisuedxe 21019919 6 an RDUM 991 pue dOLOS 1H Jo Aue 103 _ _____ uolsuedx J l4 J93 4 4 191l d l o 5 191115 e c 1s0Jjeq uJuniai Z EN LEN D eansseud pinbi seb ejnsseJd uBiH 1 e9H Jebueuoxe 1 Yun 1 E 440 Sowy L NO sowy I 440 NO yams uonejedo 72 I CUI Refrigerant C SiBE31 801 C SIosseJduioo
236. a binary number consisting of the lower 6 digits 0 63 In the address is 010110 binary number which translates to 16 4 2 22 base 10 number In other words the address is 22 The number of terminal blocks for No 12 and 13 is expressed as an 8 digit binary number which is the combination of four upper and four lower digits for No 12 and 13 respectively 0 128 In the address for No 12 is 0101 the address for No 13 is 0110 and the combination of the two is 01010110 binary number which translates to 64 16 4 2 86 base 10 number In other words the number of terminal block is 86 See the preceding page for a list of data etc for No 0 25 Test Operation SiBE31 801 i i 3 2 5 Cool Heat Mode Switching Field Setting There are the following 4 cool heat switching modes Set cool heat separately for each outdoor unit system by indoor unit remote controller Set cool heat separately for each outdoor unit system by cool heat selector Set cool heat for more than one outdoor unit system simultaneously in accordance with unified master outdoor unit by indoor unit remote controller Set cool heat for more than one outdoor unit system simultaneously in accordance with unified master outdoor unit by cool heat switching remote controller 1 Set Cool Heat Separately for Each Outdoor Unit System by Indoor Unit Remote Controller It does not matter whether or not there is outdoor
237. a deduction for cooling an addition for for indoor fan motor heat External static pressure is changeable in 7 13 14 10 stages within the range by the remote control Air filter is not standard accessory but please mount it in the duct system of the suction side Select its colorimetric method gravity method 50 or more 37 Specifications SiBE31 801 C Specifications 5 Notes Voltage range units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed range limits 5 esp oo Notes Voltage range units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed ange limits Specifications 38 Specifications SIiBE31 801 C Concealed Ceiling Unit Large TA TECHNICAL SPECIFICATIONS Capacity 22 4 28 0 Power Input 1 294 1 465 Dimensions Unit 470 470 1 380 1 380 1 100 1 100 Heat Dimensions Nr of Rows 3 Nr of Stages 26 Fan Type Quantity Cooling m min Fan External High 221 Standard 132 147 Max Motor Quantity D13 4G2DA1 D13 4G2DA1 W 380 380 high Drive Direct drive Name R 410A Sound Pressure Flare connection 52 Diameter 9 52 9 52 Gas Type Braze connection LLL W O N 2 0 0 68 26 Sirocco fan
238. able Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting SiBE31 801 C 52 Indoor Air Thermistor Error Error Code or 5 Inspection OFF Unit No Blinking Heat reclaim ventilation Temperature detected by inside air temperature sensor is used to detect errors When value detected by inside air temperature sensor is 40 C or below open circuit or 70 C or higher short circuit Defect of thermistor connection Defect of thermistor Faulty control PCB Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check for the connector Is connector connected NO Connect the connector correctly correctly YES Remove the thermistor from outdoor PCB and measure resistance NO Replace the indoor air Is thermistor normal 2 thermistor YES If there is no faulty contact replace the control PCB d Notes 1 Malfunction code and thermistor Malfunction 335 Indoor air thermistor 2 Refer to the thermistor temperature resistance conversion table when measuring resistance Troubleshooting SiBE31 801 Troubleshooting Heat Reclaim Ventilation 7 3 on Damper System Error Alarm Remote Controller LCD Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Trouble
239. ace the discharge pipe thermistor Replace the main PCB A1P 1 Compare the resistance value of discharge pipe thermistor and the value based on the surface thermometer Refer to Thermistor Resistance Temperature Characteristics table on P 409 Troubleshooting SiBE31 801 C 4 22 Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting Troubleshooting by Indication on the Remote Controller Outdoor Unit Refrigerant Overcharged RTSQ8P 16P Outdoor Unit Excessive charging of refrigerant is detected by using the outdoor air temperature heat exchanging deicer temperature and liquid pipe temperature during a check run When the amount of refrigerant which is calculated by using the outdoor air temperature heat exchanging deicer temperature and liquid pipe temperature during a check run exceeds the standard Refrigerant overcharge Disconnection of outdoor air thermistor m Disconnection of heat exchanging deicer thermistor m Disconnection of liquid pipe thermistor Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check the mounting condition of the temperature sensors of the outdoor air thermistor heat exchanging deicer thermistor and liquid pipe thermistor in the piping Are the above ther
240. address settings of the slave units 1 and 2 Confirmation of Confirmation of malfunction 3 malfunction 4 Go on to the Diagnosis Flow 7 Connection of four or more Confirmation of Confirmation of outdoor units to the same circuit malfunction 3 malfunction 4 Go on to the Diagnosis Flow 8 Faulty auto address of the slave units 1 and 2 Confirmation of Confirmation of malfunction 3 malfunction 4 90060999 Go on to the Diagnosis Flow 9 Disconnection of Function Unit Confirmation of Confirmation of malfunction 3 malfunction 4 900090099 Go on to the Diagnosis Flow 10 Over connection of Function Unit Confirmation of Confirmation of malfunction 3 malfunction 4 Go on to the Diagnosis Flow 11 Malfunction in installation of RTSYQ20P Troubleshooting 304 Troubleshooting by Indication on the Remote Controller 51 1 801 C Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 1 Confirmation of Confirmation of malfunction 3 malfunction 4 ooceeeeeoooeoo0 Check if any disconnection or connection error is detected in connecting wires with external control adaptor NO YES Correct the connecting wiring with the external control adaptor Check if the normal conditi
241. after Repair Be sure to use parts listed in the service parts list of the applicable model and appropriate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools can cause an electrical shock excessive heat generation or fire When relocating the equipment make sure that the new installation site has sufficient strength to withstand the weight of the equipment If the installation site does not have sufficient strength and if the installation work is not conducted securely the equipment can fall and cause injury Be sure to install the product correctly by using the provided standard For integral units installation frame only Incorrect use of the installation frame and improper installation can cause the equipment to fall resulting in injury Be sure to install the product securely in the installation frame mounted ona For integral units window frame only If the unit is not securely mounted it can fall and cause injury Be sure to use an exclusive power circuit for the equipment and follow the technical standards related to the electrical equipment the internal wiring regulations and the instruction manual for installation when conducting electrical work Insufficient power circuit capacity and improper electrical work can cause an electrical shock or fire vii SiBE31 801 Be sure to use the specified cable to connect between the indoor and outdoor units Make t
242. aker O Specifications 4 Specifications SIiBE31 801 C Ceiling Suspended Unit w 49 8 s Wah mm 99 349 Fan Moor Model 3D12K1AA1 4D12K1AA1 3D12K2AA1 W 62 62 130 high Drive Direct drive Refrigerant R 410A Cooling Sound Piping Flare connection Gas Type Flare connection Diameter VP20 20 O D 26 Paper pattern for installation Clamp metal Insulation for fitting Notes Nominal cooling capacities are based indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 7 5m horizontal Nominal heating capacities are based on indoor temperature 20 CDB outdoor temperature 7 CDB 6 CWB equivalent refrigerant piping 7 5m horizontal Capacities are net including a deduction for cooling an addition for heating for indoor fan motor heat 41 Specifications SiBE31 801 C Specifications Rae Mme S Supply 50 Voltage 220 240 VAT fuse amps MFA Ful oad amps FLA TSCTI Voltage 30 iia 10 Notes Voltage range units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed range limits Maximum allowable voltage range variation between phases is 2 MCA MFA MCA 1 25 x FLA MFA is smaller than or equal to 4 x FLA Next lower standard fuse rati
243. al Information 6 Features of This Model Series SiBE31 801 C 4 Features of This Model Series This Model Series feature efficient heating operation conducted by adopting the Two stage Compression System at low outdoor temperatures Two stage Compression System This is a system to conduct efficient heating operation by two stage compression with two compressors connected in series The system is designed to separate gas and liquid with the Gas amp liquid separator incorporated in the function unit to bypass all gas refrigerants that do not contribute to evaporation to the high stage side compressor on the high stage side thus providing increased evaporator efficiency Furthermore since the high stage side suction gas temperature falls radiation loss also reduces to provide increased compressor efficiency New System Conventional System At low outdoor temperatures Indoor unit Function unit Outdoor unit Indoor unit Outdoor unit lt lt Indoor unit Indoor unit x m q High stage side Low stage side Compressor compressor compressor Heating capacity Heating capacity Radiation loss 46 High pressure High Indoor unit condenser Indoor unit condenser High stage side Expansion valve 1 compressor Expansion valve 1 Gas amp liquid separator Compressor power input Intermediate gt ncrease capacity
244. alfunction code 2DC fan motor positioning Abnormal outdoor temperature Ta sensor malfunction short circuited or open Current sensor malfunction CT1 sensor malfunction STD compressor 1 CT2 sensor malfunction STD compressor 2 Confirmation of malfunction 2 CT sensor malfunction system Push the SET BS2 button once to Detail Discharge pipe temperature sensor Tdi sensor malfunction J3 display Second digit of malfunction malfunction Tds1 sensor malfunction short 5 ee circuited on nex Tds2 sensor malfunction short page circuited Heat exchanger gas temperature Tg sensor malfunction R2T J4 sensor malfunction J5 Suction pipe temperature sensor TsA sensor malfunction short malfunction circuited R8T Heat exchanger temperature sensor Tb sensor malfunction R4T malfunction Liquid pipe temperature sensor Tsc sensor sensor malfunction R6T sensor malfunction R6T J7 TL sensor malfunction Heat exchanger liquid pipe Tf sensor malfunction R7T J8 temperature sensor malfunction Subcooling heat exchanger Tsh sensor malfunction R5T temperature sensor malfunction Discharge pressure sensor malfunction Pc sensor malfunction S1NPH Suction pressure sensor malfunction Pe sensor malfunction S1NPL lt Confirmation of malfunction 4 gt INV PCB malfunction Faulty IPM TM Current sensor failure confirmation 1 P
245. and COP pressure 2 Low stage side 2 G5 Expansion valve 2 compressor E Outdoor unit evaporator Outdoor unit evaporator gt Low pressure Low Compressor Pressure Increase COP Compressor power input Evaporator capacity power input Evaporator capacity Enthalpy Enthalpy 7 General Information SiBE31 801 C Part 2 Specifications hig SSC CHICANOS a 9 Pelei 9 2 Mador Unlo ua u yuyu L uuu 13 oO 2 m 52 Specifications 8 Specifications SiBE31 801 C 1 Specifications 1 1 Outdoor Units Heat Pump 50Hz lt RTSYQ P gt Funetionunit Hermetically Sealed Scroll Type 13 72 10 53 16 9 bow 6300 2900 7980 Motor OutputxNumber m Starting Method Soft Start Propeller Fan Motor Output kW 0 75x1 w Airflow Rate 185 Direct Drive Connecting Liquid Pipe 9 5 C1220T Brazing Connection Pipes Suction Gas Pipe 022 2 C1220T Brazing Connection Mass Weight 25 4110 Operating Sound dB A Safety Devices High Pressure Switch Fan Driver Overload Protector Overcurrent Relay Inverter Overload Protector Defrost Method Deicer 9 100 RATOA Refrigerant 10 5 Electronic Expansion Valve Refrigerator Oil Refer to the nameplate of compressor Standard Accessories Installation Manual Operation Manual Connection Pipes Clamps Drawing No C 4D060
246. and press Menu Enter button Group No setting Group screen is displayed Group No setting Group Nc Grou ing Group Gro up No setting Group up No setting Unit 4lCRe turn Setting 3 lt Group No setting Group gt 4 Select the group No by using A Y Up Down button reus Pos EAR _____ Press Menu Enter button Group No Set 1 00 4lCReturn Release Note B For wireless remote controller see the following For setting group No of HRV and wiring adaptor for other air conditioners etc refer to the instruction manual attached NOTICE Enter the group No and installation place of the indoor unit into the attached installation table Be sure to keep the installation table with the operation manual for maintenance 161 Test Operation SiBE31 801 BRC7C Type BRC7E Type BRC4C Type Test Operation Field Setting Group No setting by wireless remote controller for centralized control When in the normal mode push 465 button for 4 seconds or more and operation then enters the field set mode Set mode No 00 with button Set the group No for each group with 4 button advance backward Enter the selected group numbers by pushing button Push 45 button and return to the normal mode MODE NO FIELD SET MODE 3 GROUP NO 162 Field Setting SiBE31 801 BRC2A Type BRC2C Type m Group No setting by simplified
247. and the memory inside the IC memory on the indoor unit PCB and whether the value is normal or abnormal is determined When the capacity code is not saved to the PCB and the capacity setting adaptor is not connected When a capacity that does not exist for that unit is set B The capacity setting adaptor was not installed B Defect of indoor unit PCB Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred The indoor unit PCB was replaced with a spare PCB Replace the indoor unit PCB The capacity setting adaptor need to be installed when replacing the PCB Replace the indoor unit PCB Install a capacity setting adaptor Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 9 Indoor Unit Malfunction of Thermistor R2T for Heat Exchanger Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting 711 Lo All indoor unit models Malfunction detection is carried out by temperature detected by heat exchanger thermistor When the heat exchanger thermistor becomes disconnected or shorted while the unit is running Defect of thermistor R2T for liquid pipe B Defect of indoor unit PCB Be sure to turn off power switch before connect or disconnect connector C
248. andby 10 min Stop due to malfunction 2 times per 100 min at maximum 3 displayed on STD compressor Forsystems with multi outdoor units the control shown below is conducted by outdoor unit HTds gt 120 C continues for a period of continuous 5 min or more HTds gt 135 C Normal operation STD compressor stops HTdS Value of STD compressor discharge pipe temperature Tds compensated with outdoor air temperature Function 102 Protection Control SIBE31 801 C 7 4 Inverter Protection Control Inverter current protection control and inverter fin temperature control are performed to prevent tripping due to a malfunction or transient inverter overcurrent and fin temperature increase Inthe case of multi outdoor unit system each INV compressor performs these controls in the following sequence 7 4 14 Inverter Overcurrent Protection Control Refer to page 351 and 352 his control is conducted by each INV compressor Normal operation Inverter current B amp Inverter current B Upper limit of compressor operating frequency 210 Hz 1 For INV compressor steps refer Inverter current B continues for to information on P 92 and 93 a period of consecutive 20 sec 2 For values B and C refer to the table shown below BENED INV compressor see 1 INV compressor see 1 1 step down per 10 sec 1 step up per 20 sec Inverter current gt B A
249. anger 2 Y Y Y Electronic expansion valve for subcooling heat exchanger E E E E E Electronic expansion valve at the refrigerant charge port Value of INV compressor discharge pipe temperature compensated with outdoor air temperature Value of STD compressor discharge pipe temperature compensated with outdoor air HTds temperature P S1NPH V VM VT VJ C Value detected by high pressure sensor Value detected by low pressure sensor H Evaporator outlet superheat Suction pipe temp low pressure equivalent saturation temp HS I Target evaporator outlet superheat VE Main bypass solenoid valve VP Solenoid valve for hot gas VL Refrigerant regulator liquid pipe solenoid valve va VO VT 6 4 7 8 Y1S Refrigerant regulator gas purging pipe solenoid valve Refrigerant regulator discharge pipe solenoid valve Refrigerant regulator discharge pipe solenoid valve Outdoor air temperature Suction pipe temperature Heat exchanger outlet temperature at cooling Te High pressure equivalent saturation temperature Ts Target temperature of Tc Discharge pipe temperature of inverter compressor Discharge pipe temperature of standard compressor Te f Low pressure equivalent saturation temperature Tes Target temperature of Te Temperature of liquid pipe between heat exchanger and main electronic expansion valve Radiation fin temperature Heat exchanger gas pipe temperature Liquid pipe
250. ased indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 7 5m level difference Om Nominal heating capacities are based on indoor temperature 20 CDB outdoor temperature 7 CDB 6 CWB equivalent refrigerant piping 7 5m level difference Om Capacities are net including a deduction for cooling an addition for heating for indoor fan motor heat The sound pressure values are mentioned for a unit installed with rear suction 33 Specifications SiBE31 801 C Specifications Concealed Ceiling Unit 1 1 TECHNICAL SPECIFICATIONS com n gt e w 1 5 0 Casing Non painted Galvanised steel m weight Required Ceiling Void m gt 350 m RE Exchanger 0 249 0 249 0 383 0 383 16 Hi XSS 7 Symmetric waffle louvre 00 D D Tube type Fin Fin type Treatment Hydrophilic pressure Standard 1 Brushless DC motor 899 3 9 Speed High rpm 975 1 161 1 060 1 218 heating Cooling Heating Motor Quantity Steps Motor Speed High cooling E 9 dH Low rpm 840 90 813 920 Fan Motor Output 350 E Direct drive Refrigerant R 410A Sound level Cooling Sound dBA 59 63 61 power nominal Going Sound Pressure Heating High Specification
251. at ON OFF signal is provided M linked with of remote 2 22 2 is provided case of Malfunction Display appears on the remote controller output is ow 7 External ON OFF Input This input is used for ON OFF operation and Protection device input from the outside The input is performed from the T1 T2 terminal of the operation terminal block X14 in the electric component box os gt Setting Table L eta Operation by input of the signal A ON Forced stop prohibition of using the remote controller OFF 2 of using the remote controller ON Opsrafion OFF The system stops then the applicable unit indicates AO OFF gt ON Permission of operation 3 ON gt OFF Sen Test Operation 156 Field Setting SiBE31 801 8 Thermostat Switching Differential value during thermostat ON OFF control can be changed For details refer to 9 2 3 Thermostat Control while in Normal Operation on P 119 First Code No Second Code No Differential value TC 9 Airflow Setting When Heating Thermostat is OFF This setting is used to set airflow when heating thermostat is OFF When thermostat OFF airflow volume up mode is used careful consideration is required before deciding installation location During heating operation this setting takes precedence over 8 Thermostat Switching ModeNo First No SeconiCodeNo Comens
252. ation See 2 7 Protection Control 7 1 High Pressure Protection Control 7 2 Low Pressure Protection Control EsTaplishiwant al eondilions 7 3 Discharge Pipe Protection Control retim operation 7 4 Inverter Protection Control 7 5 STD Compressor Overload Protection Esrabpiishmentofcondillons 7 6 Cooling Fan Control for Radiation Fin Temperature of Function Unit for defrosting operation 7 7 Heater Control for Function Unit 8 4 Emergency Operation Switch Box 1 If the thermostat turns OFF while oil return operation or defrosting operation is in progress pump down residual operation will be initiated after the completion of the oil return operation or the defrosting operation 2 Numbers put ahead of control names are corresponding to the section numbers of Detailed Control Functions provided on pages after the next respectively For detail refer to information in the Detailed Control Functions section Function 82 Function General SIBE31 801 1 2 Symbol Symbol Description or function 205 3S Four way valve Heat exchanger switch 20SB 2S Four way valve High low pressure gas pipe switch Discharge pipe superheated degree Discharge pipe temp high pressure equivalent saturation id temp DSHI DSHs Discharge pipe superheat of inverter compressor Discharge pipe superheat of standard compressor Opening of electronic expansion valve Electronic expansion valve for main heat exch
253. ation on the Remote Controller 51 1 801 C Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Turn OFF the power supply and then wait for a period of 10 minutes Are there any foreign matters around the fan YES Remove the foreign matters NO Is the connector X20A for the fan motor properly connected to the indoor unit PCB 1 NO Properly connect the connector YES By disconnecting the connector X20A for the fan motor from the indoor unit PCB the fan can be lightly rotated by hand NO Replace the fan motor YES Disconnect the connector from the fan motor and then make measurement of resistance between pins 2 ls the resistance between the pins not less than the judgement criteria NO Replace the fan motor YES Replace the indoor unit PCB 1 If any junction connector is provided between the connector X204 on the indoor unit PCB and the fan motor also check whether or not the junction connector is properly connected 2 All resistance measuring points and judgement criteria 12 34 5 FXAQ 1 White O FG FXFQ FG Vep 20 63PV1 20 125P8VE O O O OO 2 Orange Vsp O O O Vdc GND Brown O j 4 Blue GND Judgement Criteria rg FG GND Not less than 1 6 Vsp GND Not less than 100kQ Vcc GND Not less than 1
254. ature Characteristics table on P 408 240 Troubleshooting by Indication on the Remote Controller SiBE31 801 4 12 Indoor Unit Malfunction of Thermistor RAT for Discharge Air Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting 241 1 74 gt All indoor unit models Malfunction detection is carried out by temperature detected by suction air temperature thermistor When the suction air temperature thermistor becomes disconnected or shorted while the unit is running Defect of indoor unit thermistor R4T for air inlet m Defect of indoor unit PCB Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Remove the thermistor from the indoor unit PCB and then insert it again Is the YES Normal The malfunction is normal caused by faulty contact NO Remove the thermistor from the indoor unit PCB and then make resistance measurement of the thermistor using a multiple meter lt 0 gt ne Replace the thermistor R4T YES Replace the indoor unit PCB Refer to Thermistor Resistance Temperature Characteristics table on P 408 Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 13 iu Indoor Unit Malfunction of Room Temperature Thermistor
255. ature detected by the heat exchanger thermistor When a short circuit or an open circuit in the heat exchanger thermistor is detected Defect of thermistor RAT for outdoor unit heat exchanger m Defect of outdoor unit PCB A1P B Defect of thermistor connection Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred onnector is connected to X30A of outdoor unit PCB A1P Connect the connector and turn on again Resistance is norma when measured after disconnecting the thermistor RAT from the indoor unit PCB 1 8kQ to 800kQ Replace the thermistor Replace the outdoor unit PCB A1P Refer to Thermistor Resistance Temperature Characteristics table on P 408 266 Troubleshooting by Indication on the Remote Controller 51 1 801 C 4 30 o i Outdoor Unit Malfunction of Liquid Pipe Thermistor 1 R6T or R9T Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting 267 RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit Malfunction is detected according to the temperature detected by liquid pipe thermistor When the liquid pipe thermistor is short circuited or open circuited m Faulty liquid pipe thermistor 1 R6T or m Faulty outdoor unit PCB Defect of thermistor connection Be sure to turn
256. aution or parts damage may be occurred Remove the thermistor from the indoor unit PCB and then insert it again i YES Is the Normal The malfunction is caused normal by faulty contact NO Remove the thermistor from the indoor unit PCB and then make resistance measurement of the thermistor using a multiple meter N x MR Replace the thermistor R2T YES Replace the indoor unit PCB Refer to Thermistor Resistance Temperature Characteristics table on P 408 238 Troubleshooting by Indication on the Remote Controller 51 1 801 C 4 10 5 Indoor Unit Malfunction of Thermistor R3T for Gas Pipes gt NE Remote Controller Display Applicable All indoor unit models Models Method of Malfunction detection is carried out by temperature detected by gas pipe thermistor Malfunction Detection Malfunction When the gas pipe thermistor becomes disconnected or shorted while the unit is running Decision Conditions Supposed B Defect of indoor unit thermistor R3T for gas pipe Causes B Defect of indoor unit PCB Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Remove the thermistor from the indoor unit PCB and then insert it again i YES Is the Normal The malfunction is caused normal by faulty contact NO Remove the thermistor from the indoor unit PCB and then make r
257. ay O ON OFF Blink Step H1P H7P 1 Press the MODE button BS1 for 5 seconds or more Press the SET button BS2 40 times Press the RETURN button 853 once O000000 S9 8 9 Press the SET button BS2 once e 0 Factory setting Press the RETURN button BS3 twice O00000 Press the MODE button BS1 once 0070000 Function Unit Set the setting item No 42 of Setting mode 2 to OFF Make the following setting with the function unit LED display ON OFF 9 Blink Step H1P H7P 1 Press and hold the MODE button 851 for a period of 5 sec or more 596006006 2 Press the SET button BS2 42 times 3 Press the RETURN button BS3 once O00009 4 Press the SET button BS2 once O e 9 Factory setting 5 Press the RETURN button BS3 twice O00000 6 Press the MODE button BS2 once Test Operation SiBE31 801 C Troubleshooting Part 6 Troubleshooting HECK ITEMS TOF SERVICE ot dae dra 197 Vet 197 122 Precautions TOM SC ue oio edet viet em 197 Symptom based Troubleshooting 199 Troubleshooting by Remote Controller 202 3 1 The INSPECTION 7 TEST Button iio
258. before of retry 2 cycle before Number of multi connection Lower 6 dg The numbers in the No column represent the number of times to press the SET BS2 button Lower 6 digits Lower 4 digits upper Lower 4 digits lower Malfunction code table Refer to P 216 1 Number of connected indoor units Used to make setting of the number of indoor units connected to an outdoor unit 2 Number of outdoor units Used to make setting of the number of outdoor units connected to DIII NET that is one of the communication lines 8 Number of terminal units Used to make setting of the number of indoor units connected to DIII NET that is one of the communication lines Only available for VRV indoor units 176 Field Setting 177 SiBE31 801 C Setting item 0 Display contents of Number of units for various settings EMG operation backup operation setting Defrost select setting Te setting Tc setting o ejeo je e e or o eje ee e e So e e e o e e eje e o e e 0 eje ee e e 2 eeeeee 0 eje e e o e o e 0o eeeeee Data such as addresses and number of units is expressed as binary numbers the two ways of expressing are as follows 900000 16 4 32 8 2 1 000 0000 No 12 64 128 32 16 0900 13 8 4 2 1 The 1 cool heat unified address is expressed as
259. below However make no changes of factory settings except for DS1 1 Dipswitch ur Le Sem DS1 1 Not used Do not change the factory settings Fao setting F ss 1 __ O Not used Do not change the factory settings OFF Factory setting Setting at replacement by spare PCB Caution DIP switch Setting after changing the main PCB A1P to spare parts PCB After the replacement by the spare PCB be sure to make settings shown below When you change the main PCB A1P to spare parts PCB please carry out the following setting Initial conditions of dip switches DIP Switch Detail DS1 1 ON not change the factory settings m of pare DS1 2 Power supply ON 200 class 220V on 400V class 380V Send of pare DS1 3 ON Do not change the factory settings ado setting of spare PCB DS1 4 Unit allocation Make the following settings according to allocation of setting ON unit All models are set to OFF at factory Domestic Overseas OFF Factory Japan General OFF OFF setting of spare PCB Model setting Make the following settings according to models of outdoor units All models are set to OFF at factory DS2 3 RTSQ8P RTSQIOP RTSQI2P RTSQI4P 5 16 0522 OF ON OFF 0523 ON OFF OFF DS2 4 0524 OFF ON Refer DS1 1 4 DS2 1 4 setting detai
260. c Same step as expansion valve that in normal 480 pls 480 pls 480 pls 55 pls main heating Electronic Same step as ebd valve that in normal O pls pls 0 pls 0 pls subcooling heating Electronic expansion valve Y2E 80 pls 80 pls 80 pls 80 pls 80 pls refilling refrigerant Solenoid valve Same step as Same step as Same step as Same step as gas purging pipe of Y1S that in normal that in normal that in normal that in normal refrigerant i i i regulator heating heating heating heating Four way valve for heat changer Y3S ON OFF selection liquid pi dpi Same step as Same step as Same step as Same step as 2 Y4S that in normal that in normal that in normal that in normal refrigerant i i regulator heating heating heating heating Same step as OL ends that in normal ON OFF ON OFF i Solenoid valve Solenoid discharge pipe of refrigerant regulator Solenoid discharge pipe of refrigerant regulator Same step as that in normal heating Same step as that in normal heating es step as Same step as Same step as Same step as that in normal that in normal that in normal that in normal heating heating heating heating Same step as that in normal heating Same step as Same step as Same step as Same step as that in normal that in normal that in normal that in normal heating heating heating heating Same step as that
261. cation on the Remote Controller Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred In cooling mode 1 Set up a pressure gauge at the service port on the low pressure side 2 Reset the operation using the remote controller then restart Check if the property of low pressure sensor is normal 2 Check if the low pressure is 0 1MPa or below 1 NO Replace the low pressure sensor Replace the main PCB A1P Remove the factor of decreasing low pressure by 1 Check the low pressure value by using pressure gauge in operation referring to eie 6 2 Compare the actual measurement value by pressure sensor with the 1 value by the pressure gauge To gain actual measurement value by pressure sensor measure the voltage at the connector between 2 3 and then convert the value into pressure referring to P 410 In heating mode Reset the operation using the remote controller then restart Check if the temperature difference between the suction pipe and heat exchanger is 20 C and over Check if the property of suction pipe thermistor A7T and heat exchanger thermistor are normal 9 NO NO Replace the thermistor YES YES Replace the main PCB Remove the factor of superheating by referring to 3 Compare the thermistor resistance value with the value on the surface ther
262. cations 12 Specifications SIiBE31 801 C 1 2 Indoor Units Roundflow Ceiling Mounted Cassette 11 TECHNICAL SPECIFICATIONS Dimensions Packing 220 De m Wi leo 2 22 J 2 1l 2 ECCE a Dimensions Length 2 096 Heat Dimensions 2 I Nr INrofStages INrofStages THAM Tube Plate Hole Fin __ Fitpe Cross fin coil Multi louver fins and Hi XSS tubes Qm LC LL Lm mma 99 99 e 39 s 19 lo 90 90 90 95 _ Mao Model W 56 high Refrigerant Refrigerant Name R 410A Sound level rs Sound power Wl Sound LUE Sound DR T I I I Piping o Flare connection connections Diameter mm 64 Gas Type Flare connection VP25 I D 25 O D 32 Heat Insulation Foamed polystyrene foamed polyethylene Foamed Polyurethane Decoration Model BYCQ140CW1 BYCQ140CW1W Dimensions Height 50 mam _ 13 Specifications SiBE31 801 C Specifications Roundflow Ceiling Mounted Cassette Drain sealing pad The sound pressure values are mentioned for a unit installed with rear suction The sound power level is an absolute value indicating the power which a sound source generates Nominal cooling capacities are based indoor temperature 27 CDB 19 CWB outdoor tempe
263. ced with a spare PCB YES Make correct model setting For setting procedure refer to information on P 168 Are the connectors of the inverter PCB main PCB and sub PCB all securely connected NO Properly connect the connectors YES Is the type of the inverter PCB correct 1 Replace it with a correct PCB YES The INV compressor has insulation resistance of not more than 100kQ Replace the compressor M1C NO The fan motor has insulation resistance of not more than YES Replace the fan motor NO 1 List of Inverter PCBs Applicable Models 508 16 BTSQ20P 286 Troubleshooting by Indication on the Remote Controller Troubleshooting 287 Disconnect the sensor connector X2A or X4A from the fan motor and then turn ON the power supply Is any malfunction YES code other than Li displayed NO he micro computer normal monitor green of the main PCB A1P is blinking NO YES The micro computer normal monitor green of the main PCB A4P is blinking NO YES YES or malfunction recurs NO SiBE31 801_C Take countermeasures following the displayed malfunction code Not the malfunction Check the malfunction code again Replace the inverter A4P If the replaced PCB has significant damage
264. chedule timer Method of Detect the malfunction according to DIII NET transmission data Malfunction Detection Malfunction B Two or more units of centralized remote controllers and intelligent Touch Controllers are Decision connected and all of them are set to master unit central setting or slave unit central setting Conditions B Two units of schedule timers are connected Supposed B Address duplication of centralized controller Causes Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred malfunction occur while in the first test run using the intelligent Touch controller setting of the centralized controller correct Be sure to refer to the Master Slave setting table 1 Correct the setting of the combination of master and slave units and then reset the power supplies of every centralized controller Was the centralized controller connected once and then disconnected or was additional centralized controller installed Is the Master Slave YES setting of the centralized controller correct Heset the power supplies of every centralized controller NO Turn ON the power supply of the centralized controller with displayed once again If the intelligent Touch Controller is used correct the setting of the combination of With ME master and slave un
265. circuit between the outdoor outdoor unit terminal parts 2 Short circuit between Outdoor outdoor Unit 2 Check the transmission the indoor outdoor unit wiring for continuity terminal parts If there is continuity the indoor outdoor unit transmission has no broken wires in it 1 Check the transmission wiring for continuity If there is continuity the outdoor outdoor unit transmission has no broken wires in it 344 Troubleshooting Heat Reclaim Ventilation SiBE31 801 Master Unit Central Connector Setting Table The master unit central setting connector CN1 X1A is mounted at the factory e To independently use a single unit of the intelligent Touch Controller or a single unit of the centralized remote controller do not dismount the master unit central setting connector i e use the connector with the factory setting unchanged To independently use the schedule timer insert an independent use setting connector No independent use setting connector has been mounted at the factory Insert the connector which is attached to the casing of the main unit in the PCB CN1 X1A Independent use connector Master unit central setting connector e To use two or more centralized controller in combination make settings according to the table shown below Centralized controller connection pattern Setting of master unit central setting connector 2 intelligent Centralized Unified ON
266. ck if it is the first time to start after installation YES Check if a right amount of refrigerant is charged NO YES Check if the stop valve is open NO YES Refrigerant is sleeping unit is out of power supply for more than 6 hours YES NO Check if the insulation resistance of the compressor is more than 100kQ NO YES Check if the compressor lead wires are disconnected YES NO SiBE31 801 C Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Go on to the next page Starting failure due to aged operation Charge a right amount of refrigerant Open the stop valve Cancel the sleeping state of refrigerant Cancel the sleeping state of refrigerant Fix the compressor lead wire Correct the wiring then supply power to restart Troubleshooting SiBE31 801 C Troubleshooting Troubleshooting Troubleshooting by Indication on the Remote Controller Continued from the previous page Start failure due to aged operation Refrigerant is sleeping The unit is out of power supply for more than 6 hours YES NO Check if the insulation resistance of the compressor is 100k or over NO YES Is inside the compressor broken YES NO Check if the power transistor is normal NO YES
267. code No to 01 or 02 Replace the indoor unit PCB Troubleshooting 220 Troubleshooting by Indication on the Remote Controller 51 1 801 C 4 2 Indoor Unit PCB Defect i a Remote 71 Controller Display Applicable All indoor unit models Models Method of Check data from Malfunction Detection Malfunction When data could not be correctly received from the Decision E2PROM of nonvolatile memory Maintains memory contents even when the power Conditions supply is turned off Supposed m Defect of indoor unit PCB Causes External factor Noise etc Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Turn power supply OFF then power ON again Does the system return to normal YES The indoor unit PCB is normal External factor other than malfunction for example noise etc Replace the indoor unit PCB 221 Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 43 82 Indoor Unit Malfunction of Drain Level Control System S1L Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Q gt FXCQ FXZQ FXFQ FXSQ FXKQ FXDQ FXMQ FXUQ FXHQ Option FXMQ200 250M Optio
268. concerned The radiation fin of the inverter PCB concerned exceeded a temperature of 93 C YES Turn OFF the power supply and then make measurement of resistance of the radiation fin thermistor NO Is the thermistor resistance normal YES Connect and disconnect the connector X111A for the fin thermistor and then properly connect it Does the malfunction recur when the power supply turns ON to start the compressor YES NO SiBE31 801 C Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Faulty radiation fin from the power unit e Blocked suction air port e Stained radiation fin High outdoor temperature Replace the thermistor Replace the compressor inverter PCB Continue operation is supposed that the radiation fin temperature became high due to some field factors In this connection check the following points e Stained radiation fin Airflow obstructed with dirt or foreign matters e Damage to fan propellers Too high outdoor air temperature Refer to Thermistor Resistance Temperature Characteristics table on P 408 Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 37 5 Outdoor Unit Momentary Overcurrent of Inverter Compressor Remote 1 oI Controller Display Applicable RTSQ8P 16P Outdoor Unit Models
269. conditional connections see http extranet daikineurope com select E Data Books Finally click on the document title of your choice SU mg 1 3 7 VET fuse amps 16 00 16 00 16 00 MFA Full load amps FLA Voltage Minimum V iis 1 Power Supply Intake Both indoor and outdoor unit Notes Voltage range units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed ange limits For more details concerning conditional connections see http extranet daikineurope com select E Data Books Finally click on the document title of your choice 23 Specifications SiBE31 801 C Specifications Ceiling Mounted Corner Cassette 1 1 TECHNICAL SPECIFICATIONS FXKQ63MAVE pa Exchanger 175 Fan Sirocco fan low __ 9 t 9 4DIHIAMVI _ um high Cooling Souno CNN Gas Flare connection Refrigerant control Electronic expansion valve Safety devices Notes Nominal cooling capacities are based indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 7 5m horizontal Nominal heating epa e are based on indoor temperature 20 CDB outdoor temperature CDB 6 CWB equivalent refrigerant p
270. contacts flames The step up capacitor supplies high voltage electricity to the electrical components of the outdoor unit Be sure to discharge the capacitor completely before conducting repair work A charged capacitor can cause an electrical shock Do not start or stop the air conditioner operation by plugging or unplugging the power cable plug Plugging or unplugging the power cable plug to operate the equipment can cause an electrical shock or fire Vi Introduction SIBE31 801 Do not repair the electrical components with wet hands Working on the equipment with wet hands can cause an electrical shock Do not clean the air conditioner by splashing water Washing the unit with water can cause an electrical shock Be sure to provide the grounding when repairing the equipment in a humid or wet place to avoid electrical shocks Be sure to turn off the power switch and unplug the power cable when cleaning the equipment The internal fan rotates at a high speed and cause injury Do not tilt the unit when removing it The water inside the unit can spill and wet the furniture and floor Be sure to check that the refrigerating cycle section has cooled down sufficiently before conducting repair work Working on the unit when the refrigerating cycle section is hot can cause burns Use the welder in a well ventilated place Using the welder in an enclosed room can cause oxygen deficiency 1 1 2 Cautions Regarding Products
271. controller malfunction code display on 141 11 Complete If the calculated amount of refrigerant is reached close valve A and press the RETURN button once Always close valve A and remove the refrigerant tank immediately after finishing the refrigerant charge operation H1P H2P H3P H4P H5P H6P H7P 900000 O Beware of the fan blades when you open the front panel The fan may still rotate for a while after unit operation has stopped Test Operation SiBE31 801 Note 2 Test Operation Test Operation 12 In case leak detection function is required Press the BS4 TEST button once for post processing with regard to the leak detection function and press the BS1 MODE button to confirm that charging is completed Record the amount that was added on the additional refrigerant charge label provided with the unit and attach it on the back side of the front panel Perform the procedure 1 3 4 Procedure for Inputting the Additional Refrigerant Charge Weight into the PCB as described on page 141 12 In case leak detection function is not required Press the BS1 MODE button once and the charging is complete Record the amount that was added on the additional refrigerant charge label provided with the unit and attach it on the back side of the front panel Perform the procedure 1 3 4 Procedure for Inputting the Additional Refrigerant Charge Weight into the PCB as described on page 141 Charging in cooling mode 8 Sta
272. cription Over connection of function unit code on next Error of installation for 8 12HP single page unit Faulty transmission with other Other system or other unit in the same systems system Faulty field setting Excess indoor units connected 0 indoor units connected Erroneous not unis used for indoor lt Confirmation of malfunction 3 gt zu Faulty combination of outdoor units combination Faulty combination of outdoor units outdoor units Faulty independent installation Faulty connection of former BS unit connection Faulty connection of former BS unit former BS unit Unmatched wiring piping no system Unmatched wiring piping settings Faulty system line Wrong wiring auto address error UH Push the SET BS2 button once to display malfunction location Confirmation of malfunction 4 Push the SET BS2 button once to display master or slave 1 or slave 2 and malfunction location Push the RETURN BS3 button and switches to the initial status of Monitor mode Push the MODE BS1 button and returns to Setting mode 1 Troubleshooting 218 Troubleshooting by Remote Controller 51 1 801 C OFF o Blink Malfunction T n s sS sS amp SSL A V t Display of contents of Display of contents of Display 1 of Display 2 of malfunction first digit malfunction second digit malfunction in detail malfunction in detai
273. cted m Defect of PCB of optional controller for centralized control Troubleshooting SiBE31 801 Troubleshooting Troubleshooting OP Centralized Remote Controller Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Has the remote control YES adaptor KRP2A series been connected NO Has the Interface for YES BACnet been connected as the schedule timer been connected Has the Interface for YES LouWonxks been connected Has the parallel interface been connected Has the Independent Combined use connector CN1 X1A of the schedule timer been connected YES Are there two or more units of The List of Setting of Master centralized controller with master unit setting connectors CN1 X1A connected YES Unit Central Setting Connector NO The malfunction code is displayed again Reset the power supplies of every centralized controller The 5 error code has been cleared 1 61402 Referring to the information on P 345 It is supposed that the malfunction results from external factors e g noises from other equipment Centralized controller Normal Troubleshooting Not available for combined use with the remote control adaptor Dismount the remote control adaptor and then reset power supplies of every centralize
274. cted indoor unit been removed or its address changed NO Is the power supply for the indoor unit displaying a malfunction turned on YES Is transmission wiring disconnected or wired incorrectly NO Is transmission with all indoor units malfunctioning NO Is the transmission wiring with the master controller disconnected or wired incorrectly NO Is the master controller s connector for setting master controller disconnected NO YES YES NO YES YES YES YES Is the group No of malfunctioning indoor units set YES NO Diagnose the cause with the air conditioner s failure diagnosis manual Reset power supply for all optional controllers for centralized control simultaneously Turn the power supply of the indoor unit on Fix the wiring correctly Set the group No correctly Replace the central PCB Fix the wiring correctly Connect the connector correctly Replace the central PCB Troubleshooting SiBE31 801 C Troubleshooting OP Unified ON OFF Controller 6 2 Display Under Centralized Control Blinks Repeats Single Blink Remote under centralized control Repeats single blink Controller Display Applicable Unified ON OFF controller Models Centralized remote controller Schedule timer Method of Detect the malfunction according to DIII NET transmission data Malfunction Detection Ma
275. cting cooling or heating operation Even pressing the AIRFLOW RATE SET button makes no changes in the airflow rate The airflow direction is not corresponding to that displayed on the remote controller The flap does not swing Indoor unit In cooling operation the ambient humidity is high This indoor unit is installed in a place with much oil or dust Indoor unit Immediately after cooling operation stopping the outdoor air temperature and humidity are low Indoor and outdoor units After the completion of defrosting operation the system is switched to heating operation Indoor unit Immediately after turning ON the power Supply indoor unit produces ringing sounds Indoor and outdoor units Hissing sounds are continuously produced while in cooling or defrosting operation Indoor and outdoor units Hissing sounds are produced immediately after the startup or stop of the system or the startup or stop of defrosting operation Indoor unit Faint sounds are continuously produced while in cooling operation or after stopping the operation Indoor unit Creaking sounds are produced while in heating operation or after stopping the operation Indoor unit Sounds like trickling or the like are produced from indoor units in the stopped state Outdoor unit Pitch of operating sounds changes While in heat storage operation the system is switched to
276. d E gt 350 Exchanger FaceArea m 0 097 0 097 0 097 0 148 0 148 Nr of Stages Tube Plate 12 Hole Tube type Hi XSS 7 Symmetric waffle louvre me Hydrophilic gm Sirocco fan Gam e mms as J s ew mm gs an mm 55 _ static 1 pressure Standard Brushless DC motor Motor Quantity Steps Speed High 1 031 1 031 1 061 1 186 1 186 Coon mm qo s 8S5 E rpm 1 031 1 031 1 061 1 186 1 186 nig Refrigerant Name hear heating E d il Q no T 2 gt Sound level Cooling Sound dBA 55 55 56 63 63 power nominal Cooling Sound Pressure Heating Sound Pressure Piping connections IT Em Ob m Flare connection Diameter 6 35 Gas Type Flare connection 12 7 VP25 O D 32 25 Both liquid and gas pipes E Diameter m Drain Diameter m 3 Heat Insulation N Specifications 3 Specifications SiBE31 801 C Concealed Ceiling Unit 1 1 TECHNICAL SPECIFICATIONS FXSQ20P7VEB FXSQ25P7VEB FXSQ32P7VEB FXSQ40P7VEB FXSQ50P7VEB Decoration Model _ BYBS32DJW1 BYBS32DJW1 BYBS32DJW1 BYBS45DJW1 BYBS45DJW1 ES White 101905 55 iver Safety devices PCB fuse PCB fuse fan driver Drain pump fuse Nominal cooling capacities are b
277. d controller Not available for combined use of the schedule timer and the Interface for BACnet Dismount either of them and then reset power supplies of every centralized controller Not available for combined use of the schedule timer and the Interface for LonWorks Dismount either of them and then reset power supplies of every centralized controller Not available for combined use of the schedule timer and the parallel interface Dismount either of them and then reset power supplies of every centralized controller Dismount the Independent Combined use connector CN1 X1A of the schedule timer and then reset power supplies of every centralized controller Integrate every centralized controller to which the master unit central connector is connected and then reset power supplies of every centralized controller Disconnect the master unit central setting connector and connect this connector to different centralized controller and then reset power supplies of every centralized controller Centralized controller to which the master unit central setting connector is connected at the time when the malfunction code is cleared is faulty Replace this equipment 326 Troubleshooting OP Centralized Remote Controller 1 801 5 4 M Address Duplication Improper Setting har Remote Controller Display Applicable Centralized remote controller intelligent Touch Controller Models S
278. d or crimped terminals are secure Improper installation and connections can cause excessive heat generation fire or an electrical shock If the installation platform or frame has corroded replace it Corroded installation platform or frame can cause the unit to fall resulting in injury Check the grounding and repair it if the equipment is not properly grounded Improper grounding can cause an electrical shock Be sure to measure the insulation resistance after the repair and make sure that the resistance is 1 or higher Faulty insulation can cause an electrical shock Be sure to check the drainage of the indoor unit after the repair Faulty drainage can cause the water to enter the room and wet the furniture and floor 1 1 4 Using Icons Icons are used to attract the attention of the reader to specific information The meaning of each icon is described in the table below 1 1 5 Using Icons List Icon Type of Description Information Note A note provides information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks Note Caution A caution is used when there is danger that the reader through incorrect manipulation may damage equipment loose data get Caution an unexpected result or has to restart part of a procedure Warning A warning is used when there is danger of personal injury N Warning Reference reference guides the reader to other places in
279. d setting mode Setting mode 2 For detail of the setting procedure refer to information on P 189 to 193 Operation e Prohibit the compressor that is set to Operation Prohibited from operating and only operate other compressor s Prohibit the outdoor unit that is set to Operation Prohibited from operating and only operate other out door unit s Function SiBE31 801 Outline of Control Indoor Unit 9 Outline of Control Indoor Unit 9 1 Operation Flow Chart Start Turn ON power supply Initialize electronic expansion valve 20 Detect louver OC LED in remote controller turns ON flow rate wind direction and The previous settings of air ow iate wi are displayed Cyclic operation with RUN STOP pushbutton Stop Du RUN indicating lamp OFF RUN indicating lamp Blink Malfunction code Displayed Press the RESET RUN STOP pushbutton ls the safety device activated 5 the RU indicating lamp blinking RUN indicating lamp ON Airflow rate display Displayed Wind direction display Displayed RUN lamo OFF UO indicating lamp Temp setting display Displayed 1 Meltunction mode display Reset Fan anor Temp control Temp control Cooling Cooling o Heating Heating Cooling Operation Heating Operation Fan Operation oder 1 If any malfunction occurs the relevant malfunction code w
280. d to keep the outlet Main EVM superheated degree of air heat exchanger constant Electronic expansion valve T Refrigerant charge EVJ This is used to open close refrigerant charge port Electronic expansion valve PI control is applied to keep the outlet superheated degree of subcooling heat Subcooling EVT exchanger constant Solenoid valve Refrigerant ENS regulator gas vent pipe SVG This is used to collect refrigerant to the refrigerant regulator Four way valve Dual pressure P rs gas pipe switch 20SB This is used to switch dual pressure gas pipe to high pressure or low pressure Four way valve Heat T 8 yes exchanger switch 20SA This is used to switch outdoor heat exchanger to evaporator or condenser Solenoid valve Refrigerant ws regulator liquid pipe SVL This is used to collect refrigerant to the refrigerant regulator Solenoid valve Hot gas SVP Used to prevent the low pressure from transient falling SVE valven Main This opens in cooling operation T valve Refrigerant regulator discharge pipe SVO This is used to discharge refrigerant from the refrigerant regulator Solenoid valve Discharge SD of refrigerant regulator Bypass the high pressure gas to the refrigerant regulator S1NPH os pressure sensor Used to detect high pressure S2NPL Used to detect low pressure 16 S1PH High pressure switch For This functions when pressure increases to stop operation and avoid high p
281. d to make address setting with AIRNET connected Make this setting to operate a system with diffuser duct while in high static pressure mode Use this setting mode when shields are installed on upper floors or balconies In order to mount the diffuser duct remove the cover from the outdoor unit fan B For outdoor unit group control set the system to BATCH MASTER or SLAVE while in Setting mode 1 Then make setting of COOL HEAT batch address Use the External control adaptor for outdoor unit Set to External control adaptor for outdoor unit with No 12 of Setting mode 2 and select the mode with No 25 If necessary set the Capacity priority setting to ON with No 29 Make this setting while in Setting mode 2 Select a mode with No 22 of Setting mode 2 Select the start time with No 26 and the end time with No 27 If necessary set the Capacity priority setting to ON with No 29 Method of setting with External control adaptor Select Demands 1 to 3 following the method of short circuiting the terminal block TeS1 Method of setting only in Setting mode 2 Select Demand 1 or 2 with No 32 in Setting mode 2 When Demand 1 is selected further select Level 1 to 3 with No 30 in Setting mode 2 Set the AIRNET to an intended address using binary numbers with No 13 of Setting mode 2 m Set No 18 of Setting mode 2 to ON 166 Field Setting 3 2 2 Service Setting Setting
282. d ufi pm uod 3 jeurens EE hos 129114 iB iB ed ensseud einjosqe Jo b 5 ZI ZI 91 55914 X X ed ono lt i JO ener INOA jou Medeo 105095 25 91 55914 JH uolsuedx is E i 9Iu0J129 3 Q A Diou oS JeBueuoxe i p N 1994 i 1 1l d 9 94 Shen Buljoooqns delOS1H 1934 L 99U2 T plousjos edid pinbr 1 1l d lt N 994 ONEA piougoo 19 14 N YOOUD qn1 Medeo 1 Aree 05900 po M pue ser inssaud HdNIS 10595 91 55914 9 0990 r3 1 1l d Q gt gt 5 yo uo i uoisuedxo 91U0J 29 3 edid 4020519 69 JO IF uolsuedx JeBueuoxe 1934 6uilooo 440 U391INS eanssejd eansseud seb ainsseid 191114 JOYS A
283. d valve Refrigerant regulator discharge pipe Four way valve High low pressure Y O O gas pipe switch FF FF OFF ON OFF OFF ON OFF OFF FF FF e 3 min e Master unit lt 0 24 MPa Ending conditions e Master unit Pc gt 3 14 MPa e Master unit Tdi gt 110 C e Master unit gt 1409 8 1 3 Function Unit Only applicable to heating operation at low outdoor temperature Part name Electrical symbol Function unit operation Compressor BEEN MN Electronic expansion valve Liquid 0 pls injection i Electronic expansion valve Two O pls stage switching 1 Electronic expansion valve Two O pls stage switching 2 P Solenoid valve Hot gas __ Or rr O Solenoid valve Two stage pressure reducing Solenoid valve Bypass 1 Solenoid valve Bypass 2 Solenoid valve Liquid line switch Y5S Ending conditions OFF OFF OFF Function 106 Special Control SIiBE31 801 C 8 2 Oil Return Operation This function is used to recover refrigerant oil that flows out from the compressor to the system side by conducting oil return operation in order to prevent the compressor from running out of refrigerant oil 8 2 1 Cooling Oil Return Operation Start conditions Referring to the following conditions start cooling oil return operation e Integral oil rise rate 1 is reached to specified level e When cumulative compressor operating time exceeds 8 hours 2 hours when the power supply turns ON for the fir
284. dig sec IU01 99 3 Q 1 1l d plou los sec 4 Z uod 6uilooo 3dO youms uonejedo AAO 1e1souueup T NO 5 NO sowy peoJoJ uo Hx U9IIMS aunssaid uBiH eunsseud uiu HANTS 10Sues 91 55914 I CUI Refrigerant C NO 16 50 1 Buijoo0 NO U21IAS uoneJedo JOOPU 75 SiBE31 801 Refrigerant Flow for Each Operation Mode Heating Operation Normal osues eunssaJg 9 5 eqni fueydeg ANI eqn pouajog 090 uod aneo 2 OM piousjog XI GO buoisuedxo do ZE e E pm Sam 19113 Hds UMS amp ensseid IE uod E m sould ona lu ie 1 1 d S 9 eunsseud ejnjosqe J
285. door PCB micro computer monitors blink NO NO Replace the indoor unit PCB YES YES Replace the remote controller There is possibility of malfunction caused by noise Check the surrounding area and turn on again NO Replace the indoor unit PCB YES Normal N gt There is possibility of malfunction caused by noise Check the surrounding area and turn on again 302 Troubleshooting by Indication on the Remote Controller 51 1 801 C 4 50 Outdoor Unit Transmission Failure Across Outdoor Units La gt N Remote Controller Display Applicable All models of outdoor units and function unit Models Method of Micro computer checks if transmission between outdoor units Malfunction Detection Malfunction When transmission is not carried out normally for a certain amount of time Decision Conditions Supposed m Connection error in connecting wires between outdoor unit and external control adaptor for Causes outdoor unit m Connection error in connecting wires across outdoor units m Setting error in switching cooling heating m integrated address setting error for cooling heating function unit external control adaptor for outdoor unit m Defective outdoor unit PCB A1P or B Defective external control adaptor for outdoor unit 303 Troubleshooting SIiBE31 801 C Troubleshooting by Indication on the Remote Controller Troubleshooting Be sure to turn off power switch befor
286. e Remote Controller SiBE31 801 4 24 45 Outdoor Unit Malfunction of Thermistor R1T for Outdoor Air Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting 261 uz C gt N RTSQ8P 16P Outdoor Unit Malfunction is detected from the temperature detected by the outdoor air thermistor When the outdoor air temperature thermistor has short circuit or open circuit Defective thermistor connection Defect of outdoor air thermistor R1T Defect of outdoor unit PCB A1P Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Connector is connected to X18A of outdoor PCB A1P Connect the connector and turn on again Resistance is normal when measured after disconnecting the thermistor R1T from the outdoor unit PCB 1 8kQ to 800kQ Replace the thermistor R1T Replace the outdoor unit PCB A1P Refer to Thermistor Resistance Temperature Characteristics table on P 408 Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 25 2 Outdoor Unit Current Sensor Malfunction Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubl
287. e Rise 276 4 37 Outdoor Unit Momentary Overcurrent of Inverter Compressor 278 4 38 5 Outdoor Unit Momentary Overcurrent of Inverter Compressor 280 4 39 4 9 Outdoor Unit Inverter Compressor Starting Failure 282 4 40 LZ Outdoor Unit Malfunction of Transmission between Inverter and Control POB re S uhuy dasla 285 4 41 gt Outdoor Unit Inverter Over Ripple Protection 288 4 42 Outdoor Unit Malfunction of Inverter Radiation Fin Temperature Rise 290 4 43 Pu Outdoor Unit Faulty Field Setting after Replacing Main PCB or Faulty PCB uuruuu u unu u uusha 291 4 44 Outdoor Unit Refrigerant Shortage Alert 293 4 45 Reverse Phase Open 295 4 46 Outdoor Unit Power Supply Insufficient or instantaneous ra ete eid 296 4 47 uz Outdoor Unit Check Operation is not Executed 299 4 48 Malfunction of Transmission between Indoor Units 300 4 49 U s Indoor Unit Malfunction of Transmission between Remote Controller and Indoor
288. e by ESI eene remote controller Acceptance Example Rejection Example Rejection iecti ejection possible by Rejection Example J Rejection Centralized Acceptance Acceptance Acceptance Rejection 16 Individual Acceptance Acceptance Rejection 17 D M Rejection Rejection Timer operation Acceptance Acceptance possible by During timer atON During timer at ON remote controller position only position only ee Acceptance Do not select timer operation possible by remote controller if not using a remote controller Operation by timer is impossible in this case 1 Factory setting Centralized remote controller When ON OFF temperature setting and operation mode setting by local remote controller is forbidden UNDER CENTRAL CONTROL is displayed on the remote controller DAIKIN AIR CONDITIONER 165 Test Operation SiBE31 801 3 2 Field Setting from Outdoor Unit B List of Field Setting Items This following section indicates the list of field setting items For the lists of dip switch contents Setting mode 1 and Setting mode 2 refer to information in tables shown on the following page onward Field Setting For setting items of 1 refer to detailed information provided on P 178 onward 3 2 1 Function Setting Content and objective of setting Overview of setting procedure Setting of COOL HEA
289. e connect or disconnect connector Caution or parts damage may be occurred Check the LED lamps for Confirmation of malfunction 3 corresponding to the malfunction code 4 7 and for Confirmation of malfunction 4 in the monitor mode Refer to P 218 219 for how to check Was the PCB A1P replaced with a substitute PCB Is the model setting of the substitute PCB correct Make correct model setting YES Confirmation of Con malfunction 3 malfunction 4 9000999 Go on to the Diagnosis Flow 1 Faulty transmission caused when the external control adaptor for outdoor unit is mounted Confirmation of Confirmation of malfunction 3 malfunction 4 9000999 Go on to the Diagnosis Flow 2 Transmission alarm given when the external control adaptor for outdoor unit is mounted lt Confirmation of Confirmation of malfunction 3 malfunction 4 Go on to the Diagnosis Flow 3 Abnormal transmission between the master unit and the slave unit 1 Confirmation of Confirmation of malfunction 3 malfunction 4 000090000 Go on to the Diagnosis Flow 4 Abnormal transmission between the master unit and the slave unit 2 Confirmation of Confirmation of malfunction 3 malfunction 4 9000099 Go on to the Diagnosis Flow 5 Multi connection RTSYQ units Confirmation of Confirmation of malfunction 3 malfunction 4 90060999 Go on to the Diagnosis Flow 6 Erroneous manual
290. e of the remote controller For control without using a remote controller such as group control the system will be changed to control only using the suction air thermistor 3 Replacing suction air thermistor with remote sensor f the suction air thermistor is unable to detect accurate room temperatures in case of the ceiling chamber type it will be recommended to replace the suction air thermistor of indoor unit with a remote sensor Thermostat control 1 and 2 Thermostat control 3 Using suction air thermistor and remote control Replacing suction air thermistor with a thermistor in combination Factory setting remote sensor Only using suction air thermistor Indoor unit sensor Remote controller BRC1C62 Remote controller BRC1C62 Simplified remote controller BRC2C51 Simplified remote controller BRC2C51 See 1 Only using suction air Since the remote controller Replacing suction air thermistors with thermistor is set to group control remote sensors O For group control mode the thermostat setting of remote controller is automatically changed to Not use See 2 Remote controller BRC1C62 Remote controller BRC1C62 Only using suction air Since the remote controller Replacing suction air thermistor with a thermistor has no thermistor the remote sensor O The remote controller is thermostat setting of Wireless remote remote controller is controller or automatically changed to si
291. e operating status of the outdoor unit and the number of indoor units that are active e OFF O ON 9 Blinking m The number of units that are active can be read from the LED display in the Monitor Mode procedure below Example in the following procedure there are 22 units active Wherever during this procedure press the BS1 MODE button if something becomes unclear You will return to setting mode 1 H1P 1 Setting mode 1 default system status H1P H2P H5P H6P H7P Default status normal 0 0 Press the BS1 MODE button to switch from setting mode 1 to monitor mode 2 Monitor mode H1P H2P H5P H6P H7P Default status display To check the number of indoor units press the BS2 SET button 5 times 3 Monitor mode H1P H2P H5P H6P H7P Selection status of how many indoor units to o eo isplay Pressing the RETURN button causes the LED display to show the data on the number of indoor units that are connected 4 Monitor mode H1P H2P H3P H5P H6P H7P Displaying the number of conne Ci indoor units 9 9 9 32 16 8 4 2 1 Calculate the number of connected indoor units by adding the values of all H2P H7P blinking 9 LEDs together In this example 16 42 2222 units Press the BS1 MODE button to return to step 1 setting mode 1 H1P 2 Normal system display
292. e range variation between phases is 2 Select wire size based on the MCA Instead of a fuse use a circuit breaker 35 Specifications SiBE31 801 C Specifications Concealed Ceiling Unit 11 TECHNICAL SPECIFICATIONS Galvanised steel plate wes 5 T s T s ph mm weg T Heat Dimensions 3 a mm 77162 m ows ow _ T Hon wmn 75 78 8 t Bes m T L low __ Pa Motor Output a vim m m ms 2 0 0 O Piping Ob Flare connection connections 22222 Fare connection ___________ Gas Flare connection ul ere OOOO Notes Nominal cooling based on following conditions return air temperature 27 CDB 19 CWB outdoor temperature 35 CDB standard external static pressure 100Pa equivalent refrigerant piping 7 5m horizontal Nominal heating capacities are based on following conditions return air temperature 20 outdoor temperature 7 CDB 6 CWB standard external static pressure 100Pa equivalent refrigerant piping 7 5m horizontal Capacities are net including a deduction for cooling an addition for heating for indoor fan motor heat External static pressure is changeable in 7 18 14 10 stages within the range by the remote control Air filter is not standard accessor
293. e the high pressure switch Are the characteristics of NO the high pressure sensor normal See 1 YES Service Checker Connect the service checker to compare the high pressure value and the actual measurement value by pressure sensor Refer to 1 by using the service checker Replace the high pressure sensor heck if the high pressure value and the actual measurement value Dy pressure sensor are the NO Replace the main PCB A1P YES The high pressure sensor is normal and the pressure detected with the PCB is also normal The high pressure has really become high Referring to information on P 342 remove the causes by which zie the high pressure has become high 1 Make a comparison between the voltage of the pressure sensor and that read by the pressure gauge As to the voltage of the pressure sensor make measurement of voltage at the connector and then convert it to pressure according to information on P 410 2 Make measurement of voltage of the pressure sensor 5V Connector for high pressure sensor Red Red High pressure Sensor Micro controller A D input White Make measurement of DC voltage between these wires 245 Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 16 Outdoor Unit Actuation of Low Pressure Sensor Remote Contr
294. e unit 1 operation prohibition in multi outdoor unit system Emergency of INV Prohibits operation of inverter compressor of outdoor unit or function unit Prohibits operation of slave unit compressor operation Set up master and slave units for multi connection outdoor units slave units for multi After setting up press the BS5 REWIRING button for 5 Set up of master outdoor units seconds or more The numbers in the No column represent the number of times to press the SET BS2 button 173 Test Operation SiBE31 801 C Field Setting Setting item display No mE MODE TEST C H selection Low pemand Setting condition display Setting item H1P H2P IND Master Slave s H H3P H4P 5 H6P Factory setting Address o 0900000 Binary number 1 200000 4 digits 15 O OOOO Address 0 0000000 1 6 digits Digital pressure gauge kit display Cool Heat Unified address 31 O OOOOO Address 0 0000000 Binary number 6 digits Low noise demand address 3 Test operation OFF 9 Test operation Test operation Refer to the on page Indoor forced fan H Indoor forced operation Normal operation 1 1 I 1 JOE Indoor forced fan H O90000 Normal operation oe00000 Indoor forced operation Low Level L
295. eaJui seu dp LOS LH pue 5 seu doLOS 1H 49195 LH 20 eui swous anf eu 1114 EEN jou Josues 1 1 5 adc 91055910 gp 290819 SN sno uoisuedxe i Mejide Joyeredas 191114 EE 6415 ensseud uBiH pue seo eunsseud uiu 8590 9A eA 1944 SALA X99497 A HNIS JOSUAS M D 5 einssoeJg Joy VEE 5 499U2 n X 9 QH eJnsseJd 1 1 X amp ENEA eJ Hats YAMS Hazs OLMS HIS 0100905 eqni einssejd ui 2 eunsseid yH edid pinbr E 8 E Id pinbi 8 E uod 194 Jou 92010495 I CUI Refrigerant C Heating Oil Return amp Defrost Operation at Low Outdoor Temperature Refrigerant Flow for Each Operation Mode Zi Zi 2 mose Mw A
296. ead wires then restart the operation Malfunction code LO is displayed again YES NO NO Check if the pressure difference between high pressure and low pressure before restarting is 2MPa or below NO YES Gal 07 41 Referring to the information on P 341 281 Open the stop valve Replace the compressor lead wires Correct the wiring and connection Replace the inverter compressor Replace the inverter compressor Replace the inverter PCB A4P Continue operation Defective pressure equalizing in the refrigerant circuit Inspection of the compressor Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 39 5 Outdoor Unit Inverter Compressor Starting Failure Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting d RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit Detect the failure based on the signal waveform of the compressor Starting the compressor does not complete Failure to open the stop valve Defective compressor Wiring connection error to the compressor Large pressure difference before starting the compressor Defective inverter PCB 282 Troubleshooting by Indication on the Remote Controller Troubleshooting 283 While in monitor mode check the unit concerned NO Che
297. ection VP25 LD 2500 32 Heat Insulation Foamed polystyrene foamed polyethylene Sound absorbing insulation Foamed Polyurethane Decoration Model BYCQ140CW 1 BYCQ140CW1W Dimensions Height 50 Wa POC 15 Specifications SiBE31 801 C Specifications Nominal cooling capacities are based on indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 5m level difference Om Nominal heating capacities are based on indoor temperature 20 CDB outdoor temperature 7 6 CWB equivalent refrigerant piping 5m level difference Om Capacities are net including a deduction for cooling an addition for heating for indoor fan motor heat The BYCQ140CW1W has white insulations Be informed that formation of dirt on white insulations is visibly stronger and that it is consequently not advised to install the Ed pH decoration panel in environments exposed to concentrations of dirt Suppl 50 Current Minimum circuit amps A 0 4 0 4 0 4 0 5 MCA Maximum fuse amps A 16 MFA Full load amps FLA Voltage 30 ange 0 Notes Voltage range units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed range limits Power VE Supply 50 y 220 200 Current Minimum circuit amps A 1 4 1 9 MCA Maximum fuse amps A 16 MFA Ful oad amps FLA Notes Voltage ran
298. ector properly connected Are the thermistor resistance characteristics normal Degradation in condensing capacity Dirty condenser lt Is the heat exchanger clogged In cooling lt Is air or else mixed in the refrigerant system Faulty fan lt Can the fan motor be rotated with hands motor Are the motor coil resistance and insulation normal Mixing of non condensable gas Faulty control PCB Including lt f a spare PCB is mounted is the capacity capacity setting properly made setting Dirty filter lt the air filter clogged Obstacle lt there any obstacle in the air passage lt Refer to P258 lt 15 the indoor unit too small compared to the large sized outdoor unit Excessive refrigerant charging Improper model selection In heating 1 In cooling it is normal if the outdoor unit electronic expansion valve EVM is fully open 2 In heating the indoor unit electronic expansion valve is used for subcooled degree control For details refer to Control of Electronic Expansion Valve on 127 Troubleshooting 342 Troubleshooting Heat Reclaim Ventilation 01140 40 Check for causes of drop in low pressure SiBE31 801 C Referring to the Fault Tree Analysis shown below probe the faulty points In cooling See 1 Faulty low pressure control Faulty low pressure In both cooling protection control and heating Abnormally Tow Fa
299. ed to detect liquid pipe temperature of air heat exchanger Used to make deicer Tb judgements on defrosting operation Used to detect gas pipe temperature on the evaporation side of subcooling heat 217 2 exchanger Used to exercise the constant control of superheated degree at the outlet JST Ja PIPE of subcooling heat exchanger Thermistor Subcooling heat This detects temperature of liquid pipe between the main expansion valve and exchanger liquid pipe TI subcooling heat exchanger Thermistor Heat exchanger This detects temperature of liquid pipe between the air heat exchanger and main R7T liquid pipe Tf electronic expansion valve Used to make judgements on the recover or discharge refrigerants to the refrigerant regulator Thermistor Suction pipe TsA Used to detect suction pipe temperature Thermistor Liquid pipe Tsc Ue 2 E of liquid pipe between the liquid stop valve and subcooling R5T R6T 9T EN Refrigerant Circuit 56 SiBE31 801 Refrigerant Circui RTSQ10PY1 12PY1 dZLOS LH 20 98 09006 0 dOLOS LH 104 8109002 5 HOSN3S 3unssatd 91 80553841100 92 osam 3AWA NWA HOLMS roms 9109105 CDI NOISNYdX3 3815534 93 1 9 s HOH ATA
300. efore be turned off by the thermostat before the lower part of the room reaches the set temperature The temperature can be controlled so the lower part of the room where the occupants are does not become cold by widening the range in which room temperature thermistor in remote controller can be used so that suction air temperature is higher than the set temperature SUNL SL 7 t atte c attt rr rr re OVAL x Range in which room temperature thermistor in remote controller can be used Range in which suction air thermistor in indoor unit can be used RRN S 255555555 5 555 C 32 34 Suction air temperature TH1 Differential Ex When heating Assuming the set temperature in the figure above is 24 C and the suction air temperature has changed from 18 C to 28 C A D This example also assumes there are several other air conditioners the VRV system is off and that temperature changes even when the thermostat sensor is off Suction air thermistor in indoor unit is used for temperatures from 18 C to 25 C A Room temperature thermistor in remote controller is used for temperatures from 25 C to 28 C D And assuming suction temperature has changed from 28 to 18 D temperature thermistor in remote controller is used for temperatures from 28 C to 23 D B Suction air thermisto
301. efrigerant Flow for Each Operation Mode Normal Heating Oil Return amp Defrost Operation ainsseid Josues aJnssaJgd eqni povaos 1914 KZ dolS Z uouns 120161168 Mens 8 einsseJd uBiH 1913 8 oul EE sain 193 iB eunsseJd ejnjosqe 10 anen L 22100009 YOOUD Z yod lt eqni Medeo JO Y EI jeu 15 62 puolsuedxe sous uod oiu s M U ee 52 XO x9eu9jo ewe 2 105095 eunsseJg bras 81815 Y JeBueuoxe A esu 0910 Em Builoooqns uoisuedxa 2100 2919 d80S 1H J M i eunsseud Josues 91 55914 eqni hueydeg 7 43 PA ANI X me Kreg kede eus M xh 194114 uod i AAPA XO Goo uotsuedxe fou
302. el edid pinbrq ainssald eqni Medes Z _ anea 1 JO edid seo uoisuedxe joya os ainssald Sluo01lo9l3 ioH aunsseud uolsuedxa C 9IU04129 3 seo 2IUOJ129 3 piou9 oS 19113 s uod eowes Aire id 8 9 anea p 5 qoeoSsig uoisuedxa 2100295 AE PUR dL dOLOS 1H JO Aue 103 ee UOISUedxo 94 omonoe 3 e 1s04jeqy uuniai IO Z C e o pinbi eansseud pinbi 440 seb pinbij seb uBiH A P Jebueuoxe yea 1eoH 1eoH Hun Joopu AAO NO 440 yms NO yams NO yams 73 SiBE31 801 Refrigerant Flow for Each Operation Mode RTSYQ20P Cooling Operation
303. els 126 Outline of Control Indoor Unit SiBE31 801 9 7 Control of Electronic Expansion Valve Electronic expansion valves in indoor units have the functions of conducting superheated degree control in cooling operation and subcooled degree control in heating operation However if the indoor units receive any control command such as a protection control command or a special control command from the outdoor unit the units will give a priority to the control command e Superheated degree control in cooling operation This function is used to adjust the opening of the electronic expansion valve so that superheated degree SH which is calculated from the detection temperature Tg of the gas pipe thermistor R3T and the detection temperature T1 of the liquid temperature thermistor R2T of the indoor unit will come close to a target superheated degree SHS At that time correction to the superheated degree is made according to the differences AT between set temperature and suction air thermistor temperature SH T1 SH Evaporator outlet superheated degree Tg Indoor unit gas pipe temperature R3T T1 Indoor unit liquid pipe temperature R2T SHS Target SH value SHS Target superheated degree e Normally 5 C e As AT Remote controller set temp Suction air temp becomes larger SHS becomes lower e As AT Remote controller set temp Suction air temp becomes smaller SHS becomes higher e Sub cooled deg
304. els except the one on the side of the electric box 2 Press and hold the BS1 MODE button for 5 seconds to enter into setting mode 2 The H1P LED is on O Press the BS2 SET button 14 times The LED display must be as follows H1P H2P H3P H4P H5P H6P H7P O O O O 0 e Press the BS3 RETURN button once as confirmation of the LEDs combination LEDs will be blinking in function of the last entered setting factory setting 0 kg The weighed and already recorded amount of additional refrigerant charge not the total amount of refrigerant present in the system must be entered by selecting the corresponding LED display Scroll through the possible LED combinations by pressing the BS2 SET button until the LED combination corresponds to the weight of additional refrigerant charge you must input Select the required input by pressing the BS3 RETURN button and confirm the input into the PCB by pressing the BS3 RETURN button again A 141 Test Operation SiBE31 801 d Note Test Operation Test Operation Possible LED combinations in function of weight of additional refrigerant charge x to 1 H2P H5P H6P H7P input kg x 0 0 lt lt 5 5 lt x lt 10 10 lt x lt 15 15 lt x lt 20 20 lt x lt 25 25 lt lt 30 30 lt x lt 35 35 lt x lt 40 40 lt x lt 45 45 lt x lt 50 50 lt x lt 55 55 lt x lt 60
305. emperature For cooling operation at low outdoor temperature this function is used to conduct high pressure control on the outdoor unit fan to secure liquid pressure thus providing an adequate circulation airflow rate to the indoor unit Fan upper limit Step 8 lt 2 75 gt 3 24 For fan revolutions in each step refer to information above Outdoor unit fan upper limit revolutions PI control A lapse of 20 sec PI control Outdoor unit fan Current fan step Outdoor unit fan Decreased by 1 step maintained Increased by 1 step PI control lapse of 20 sec 95 Function SiBE31 801 C Normal Operation 6 6 Control for Heating Operation at Low Outdoor Air Temperature To conduct optimal heating operation the two operation modes Two stage compression and Single stage compression are available according to outdoor temperatures and loads System startup Determination of operation mode Determine at startup whether to conduct single stage compression or two stage compression Capacity of indoor unit with thermostat ON gt 7 1 to 11 2kW Capacity of indoor unit with thermostat ON lt 7 1 to 11 2kW Outdoor temp lt 5 C Outdoor temp gt 5 C amp OR Two stage compres Outdoor temp 7 C sion Outdoor temp lt 5 C Capacity of indoor unit with thermostat ON amp gt 7 1 to 11 2 kW Outdoor unit compress
306. emperature 27 19 outdoor temperature 35 CDB equivalent refrigerant piping 8m level difference Nominal are based on indoor temperature 20 B 6 CWB equivalent refrigerant piping 8m level difference Om outdoor temperature 7 C Capacities are net including a deduction for cooling an addition for heating for indoor fan motor heat Specifications 30 Specifications SIiBE31 801 C Por Nm __ E Sun i 50 Voltage 230 VAT fuse amps 16 MFA Full load amps FLA 0 1 Valags Notes Voltage range units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed range limits Maximum allowable voltage range variation between phases is 2 MCA MFA MCA 1 25 x FLA MFA lt 4 x FLA Next lower standard fuse rating minimum 16A Select wire size based on the MCA Instead of a fuse use a circuit breaker 31 Specifications SiBE31 801 C Specifications Concealed Ceiling Unit 1 1 TECHNICAL SPECIFICATIONS FXSQ50P7VEB Capacity Casing Non painted Galvanised steel Dimensions Packing Height wan m mw 79 79 5 0 Den m _ 2 Won mm 50 S50 79 79 Den jui a a a Packed Unit Ky Required SS Required Ceiling Voi
307. entralized control BRC2A51 is also available NOC OI Various PCBs Function KRP1B56 Adaptor for wiring PER p B PCB when equipped with auxiliary electric heater in the indoor unit KRP1B3 B Up to 1 024 units can be centrally controlled in 64 different groups 2 DIII NET Expander Adaptor DTA109A51 Wiring restrictions max length 1 000 m total wiring length 2 000 m max number of branches 16 apply to each adaptor System Configuration Model No DCS302C51 Central remote controller DCS302CA51 e Up to 64 groups of indoor units 128 units can be connected and ON OFF temperature FXFQ P setting and monitoring can be accomplished individually or simultaneously Connectable up _4 El compo box with earth terminal to 2 controllers in one system 3 blocks KJB311A DCS301B51 2 Unified ON OFF controller DCS301BA51 FXFQ P Up to 16 groups of indoor units 128 units can be turned ON OFF individually or 2 4 El compo box with earth terminal KJB212A simultaneously and operation and malfunction can be displayed Can be used in 2 blocks combination with up to 8 controllers Noise filter for electromagnetic interface use only KEK26 1 3 Schedule timer E Programmed time weekly schedule can be controlled by unified control for up to 64 groups FXFQ P of indoor units 128 units Can turn units ON OFF twice per day R 407C R 22 DTA102A52 for SkvAir series Adaptors required to connect
308. epared e Multiple tester Prepare the analog type of multiple tester For the digital type of multiple tester those with diode check function are available for the checking Test points e Turn OFF the power supply Then after a lapse of 10 minutes or more make measurement of resistance Preparation e Tomake measurement disconnect all connectors and terminals Inverter PCB 07 E PC0509 1 4 Electronic circuit V2895 According to the checking aforementioned it is probed that the malfunction results from the faulty inverter The following section describes supposed causes of the faulty inverter Faulty compressor ground leakage Faulty fan motor ground leakage Entry of conductive foreign particles Abnormal voltage e g overvoltage surge thunder or unbalanced voltage order to replace the faulty inverter be sure to check for the points aforementioned 50000 411 Appendix SiBE31 801 C Method of Checking the Inverter s Power Transistors and Diode Modules 1 Power module checking When using the analog type of multiple When using the digital type of multiple tester make measurement in resistance tester make in diode check NL MOUE in the 1 range mode Criterion Remark Criterion Remark Not less It may take time to than determine the voltage hea V 20150 1 2V due to capacitor 3 P W 3 W including charge or else 4 U 4 u
309. er supply turns ON Replace the inverter PCB Continue the operation Troubleshooting 290 Troubleshooting by Indication on the Remote Controller SiBE31 801 4 43 gt Outdoor Unit Faulty Field Setting after Replacing Main PCB or Faulty Combination of PCB Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes 291 P RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit This malfunction is detected according to communications with the inverter Make judgement according to communication data on whether or not the type of the inverter PCB is correct m Faulty or no field setting after replacing main PCB Mismatching of type of PCB Troubleshooting SiBE31 801 C Troubleshooting Troubleshooting Troubleshooting by Indication on the Remote Controller Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Was the PCB A1P replaced with a spare PCB NO Is the model setting of the spare PCB correct NO Is the type of the compressor inverter PCB correct 1 NO YES Is the type of the fan inverter PCB correct 2 NO YES Does the Preparation indication lamp on the main PCB turn OFF YES NO 1 List of Compressor Inverter PCBs Mode Applicable Mode
310. er than those described above Nothing is displayed for functions the indoor unit is not equipped with 5 88 may be displayed to indicate the remote controller is resetting when returning to the normal mode 6 If the setting mode to Equipped heat reclaim ventilation fan conducts the fan residual operation by linking to indoor unit 153 Test Operation SiBE31 801 C Field Setting 3 1 5 Applicable Range of Field Setting Slim Concealed Concealed Concealed Concealed Ceiling Concealed 4 way blow Outdoor air ceiling processing Ceiling mounted cassette Roundflow 4 way 2 way Corner pe FXZQ FXSQ FXMQ FXAQ FXLQ FXUQ EA concealed ceiling unit ceiling unit ceiling unit ceiling unit suspended mounted standing floor large ceiling unit small unit unit unit Filter sign Ultra long life filter sign Airflow direction Down flow operation Field set fan speed selection Discharge air temp Cooling x1 Static pressure selection Discharge air temp Heating Test Operation 154 Field Setting SiBE31 801 3 1 6 Detailed Explanation of Setting Modes 1 Filter Sign Setting If switching the filter sign ON time set as given in the table below Set Time Filter Specs U mm e Setting mew Standard Filter Long Life Filter Ultra Long Life Filter Contamination Light
311. erature of function unit rises it is cooled with the fan M1F as follows 52C1 ON Inverter Fin Temp thermistor gt 50 Fan OFF Fan ON 52 1 OFF Inverter Fin Temp thermistor 30 7 7 Heater Control for Function Unit Switch Box The heater E2HC places to the function unit switch box to prevent freezing by low outdoor temperature and it is controlled as follows by the outdoor temperature The operation range of function unit ON Outdoor temp 20 C OFF Outdoor temp 17 C The range of compressor stop ON Outdoor temp 17 C OFF Outdoor temp gt 14 C Function 104 Special Control SIiBE31 801 C 8 Special Control 81 Pump down Residual Operation If the liquid refrigerant stays in the Evaporator at the startup of a compressor this liquid refrigerant enters the compressor thus resulting in diluted oil in the compressor and then degraded lubrication performance Consequently in order to recover the refrigerant in the Evaporator while the compressor stops the pump down residual operation is conducted 8 1 1 Pump down Residual Operation in Cooling Operation Outdoor Unit STEP 1 8 2 Elect Slave unit Slave unit Actuator symbol Master unit operation Master unit operation operation RTSYQ20PY1 operation RTSYQ20PY 1 only only Compressor OFF Outdoor unit fan 1 Fan control Fan control Outdoor unit fan 2 ME laa Electronic expans
312. ermistor in remote controller can air thermistor in indoor Differential be used unit can be used Ex When cooling Assuming the set temperature in the figure above is 24 and the suction air temperature has changed from 18 to 30 A This example also assumes there are several other air conditioners the VRV system is off and that temperature changes even when the thermostat sensor is off Suction air thermistor in indoor unit is used for temperatures from 18 C to 23 C A C temperature thermistor in remote controller is used for temperatures from 23 C to 27 C E Suction air thermistor in indoor unit is used for temperatures from 27 C to 30 E And assuming suction temperature has changed from 30 to 18 F A Suction air thermistor in indoor unit is used for temperatures from 30 to 25 C F D Hoom temperature thermistor in remote controller is used for temperatures from 25 C to 21 C D B Suction air thermistor in indoor unit is used for temperatures from 21 C to 18 B A Function SiBE31 801 C Heating 32 Set temperature Ts 30 28 26 24 22 20 18 16 Function Outline of Control Indoor Unit When heating the hot air rises to the top of the room resulting in the temperature being lower near the floor where the occupants are When controlling by suction air thermistor in indoor unit only the unit may ther
313. ermo OFF unit Defrost EV degree Function 112 Special Control SiBE31 801 8 4 Emergency Operation If any of the compressors goes wrong disable the relevant compressor or the relevant outdoor unit from operating and then conduct emergency operation only with operational compressors or outdoor units There are two ways of conducting the Emergency operation 1 with remote controller reset and 2 by setting outdoor unit PCB Operating method 1 Emergency operation with 02 Emergency operation with remote controller reset outdoor unit PCB setting model Auto E operation Manual backup operation 113 RTsyar0 16PY1 Backup operation by the operation by the Backup operation by the 1 Emergency operation by resetting remote controller Emergency operation method e Reset remote controller i e press the RUN STOPI button on the remote controller for 4 seconds or more when the outdoor unit stops because of malfunction state Details of operation e Automatically disable the defective outdoor unit from operating and then operate other outdoor units This emergency operation is not possible in the system with one outdoor unit 2 Emergency operation by setting outdoor unit PCB Setting Procedure Make setting of compressor to be set to Operation prohibited while in field setting mode Setting mode 2 Make setting of outdoor unit to be set to Operation prohibited while in fiel
314. ert PI control on the electronic expansion valve Y3E so that the evaporator side gas pipe superheated degree SH will keep constant SH Tsh Te SH Evaporator outlet superheated degree Tsh Gas pipe temperature detected by the subcooling heat exchanger outlet thermistor R5T Te Low pressure equivalent saturated temperature C 6 3 2 Electronic Expansion Valve of Function Unit Liquid injection electronic expansion valve Y1E This electronic expansion valve Y1E operates under the PI control so that the compressor discharge pipe superheated degree DSH will be kept constant in heating operation at low outdoor temperature DSH HTdik Tck DSH Discharge pipe superheated degree C HTdik Discharge pipe temperature C High pressure equivalent saturation temperature C Function 94 Normal Operation 51 1 801 C 6 4 Outdoor Unit Fan Control 6 4 1 Step Control of Outdoor Unit Fans Used to control the revolutions of outdoor unit fans in the steps listed in table below according to condition changes Fan revolutions rpm TEP No RTSQ14P RTSQ16P gt RTSQ8P RTSQ10P RTSQ12P ne SEG 821 800 1091 1061 1136 1106 796 780 Cooling 821 800 1136 1106 1166 1136 Heating Figures listed above are all those controlled while in standard mode which vary when the system is set to high static pressure or capacity precedence mode 6 5 Control for Cooling Operation at Low Outdoor Air T
315. erter Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Lo RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit Malfunction is detected based on the current value during waveform output before starting compressor Malfunction is detected based on the value from current sensor during synchronous operation when starting the unit Overcurrent OCP flows during waveform output Malfunction of current sensor during synchronous operation IPM failure B Inverter PCB A4P e PM failure e Current sensor failure e Drive circuit failure 274 Troubleshooting by Indication on the Remote Controller 51 1 801 C Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Turn OFF the power supply once and then check the compressor lead wires Do the lead wires have any YES disconnection broken wire short circuit or ground fault Replace the lead wires NO Turn ON the power supply again Does the power supply normally come back ON YES It is supposed that the malfunction results from external causes other than failures e g exogenous NO noises or thunder While in monitor mode check the unit concerned Check if the power transistor is normal NO YES Check if
316. eshooting RTSQ8P 16P Outdoor Unit Malfunction is detected according to the current value detected by current sensor When the current value detected by current sensor becomes 5A or lower or 40A or more during standard compressor operation Faulty current sensor A6P A8P Faulty outdoor unit PCB Defective compressor M2C Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check the current sensor corresponding to the malfunction code iz the monitor mode Refer to Page 216 217 for how to check O Confirmation of malfunction 4 shows as follows X x Current sensor for constant rate compressor 1 O Confirmation of malfunction 4 shows as follows 9 O 0 0 Current sensor for constant rate compressor 2 s the connector for current sensor connected to X25A 26A on outdoor unit PCB A1P NO Connect the connector and operate unit again YES Are the current sensors inversely connected to two STD compressors NO YES Correct the connections between the current sensors and the STD compressors Applicable compressor coil wire is broken YES Replace the compressor STD compressor 1 or 2 NO Is the current sensor mounted on the T phase A6P wire NO Mount the current sensor correctly and operate unit again YES Replace the c
317. esistance characteristics lt 15 the pressure reading of the service checker corresponding to the actual measurement of the sensor lt Can the fan motor be rotated by hand Does the fan motor coil have unit electronic expansion valve Faulty valve body Wet operation Heating Faulty power pressure sensor aulty power pressure senso electronic ws Faulty control Faulty suction pipe thermistor valve opens too much 2 Faulty control PCB Dirty evaporator lt Does the heat exchanger get clogged Faulty fan motor Degraded Reduced capacity Reduced air quantity Dirty filter Obstacles Faulty control PCB including faulty capacity setting normal resistance and insulation lt Does the air filter get clogged lt Are there any obstacles in the air passage 1 Superheated degree control in cooling operation is exercised with the indoor unit electronic expansion valve Refer to information on P 127 2 Superheated degree control in heating operation is exercised with the outdoor unit electronic expansion valve EV1 8 Guideline of superheated degree to judge as wet operation 347 1 Suction gas superheated degree Not more than 3 C 2 Discharge gas superheated degree Not more than 15 C except immediately after compressor starts up or is running under drooping control Use the values shown above as a guideline Even if the superheated degree falls in the range the compress
318. esistance measurement of the thermistor using a multiple meter N Replace the thermistor 837 YES Replace the indoor unit PCB Refer to Thermistor Resistance Temperature Characteristics table on P 408 239 Troubleshooting SiBE31 801 C 411 44 Troubleshooting by Indication on the Remote Controller Indoor Unit Malfunction of Thermistor R1T for Suction Air Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting e M gt All indoor unit models Malfunction detection is carried out by temperature detected by suction air temperature thermistor When the suction air temperature thermistor becomes disconnected or shorted while the unit is running Defect of indoor unit thermistor R1T for suction air m Defect of indoor unit PCB Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Remove the thermistor from the indoor unit PCB and then insert it again Is the thermistor YES normal NO Normal The malfunction is caused by faulty contact Remove the thermistor from the indoor unit PCB and then make resistance measurement of the thermistor using a multiple meter Replace the thermistor R1T Replace the indoor unit PCB Refer to Thermistor Resistance Temper
319. esponding to the measurement of the pressure sensor lt Are the coil resistance and insulation normal lt Are the electrical characteristics normal lt Check for the thermistor resistance and connection lt Is the suction air temperature not less than 14 C lt Is the indoor temperature not more than 14 C lt the connector properly connected Are the thermistor resistance characteristics normal lt 15 the outdoor temperature more than 20 C lt the connector properly connected Are the thermistor resistance characteristics normal lt Does the piping length fall in the permissible range lt Conduct visual checks for pipe conditions lt there any temperature difference caused before and after the filter or branch pipe lt Check to be sure the stop valve is open lt Eliminate moisture by vacuum operation lt s the heat exchanger clogged lt Can the fan motor be rotated with hands Faulty fan motor Are the motor coil resistance and insulation normal lt spare is mounted is the Faulty control PCB Including capacity setting capacity setting properly made Dirty filter lt Is the air filter clogged Obstacle lt there any obstacle in the air passage 1 For details of the compressor capacity control while in cooling refer to Compressor PI Control on P 91 2 The low pressure protection control includes low pressure protection control and hot ga
320. esponsible Troubleshooting SIiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 42 74 Outdoor Unit Malfunction of Inverter Radiation Fin Temperature Rise Sensor Remote j Controller Display Applicable RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit Models Method of Resistance of radiation fin thermistor is detected when the compressor is not operating Malfunction Detection Malfunction When the resistance value of thermistor becomes a value equivalent to open or short circuited Decision status Conditions x Malfunction is not decided while the unit operation is continued will be displayed by pressing the inspection button Supposed Defect of radiation fin temperature sensor Causes Defect of inverter PCB Faulty inverter compressor Faulty fan motor Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Measure resistance value of the radiation fin thermistor Disconnect the connector X1114 from the fin thermistor and then check the thermistor 5 the thermistor NO resistance value normal YES Replace the inverter PCB The INV compressor s insulation resistance is not more than 100kQ NO YES Replace the compressor M1C The fan motor s insulation resistance is not more than YES Replace the fan motor Does the malfunction recur when the pow
321. et when filter sign is not to be displayed Information to intelligent Manager Only unit sensor Sensor value as intelligent Touch Controller value or remote set by 10 2 or sensor if 10 6 X installed Thermostat sensor in group control Use unit sensor Use both unit only or remote sensor or sensor if remote sensor if installed installed AND remote sensor Completion of Start of 5 11 21 7 adjustment OFF airflow airflow adjustment adjustment Optional accessories output selection Indoor unit field selection of output for adaptor for turned ON by wiring thermostat 12 22 Operation Malfunction 6 output output 1 ON OFF input from outside Set when Forced OFF ON OFF control External 7 ON OFF is to be controlled from protection outside device input 2 Thermostat differential changeover 1 C 59 8 Set when remote sensor is to be used O Airflow setting when heating LL Set fan speed thermostat is OFF Automatic mode differential 01 0 2 1 03 2 04 3 e O O O N 8 o Equipped Power failure automatic reset Not equipped Airflow setting when Cooling thermostat is OFF LL oo GOO INI O Set fan speed LES 2 2 2 13 23 Setting of normal airflow H S xcd 1 Selection of airflow direction F 4 directions W T 3 directions W 2 14 Set when a blocking pad kit has bee
322. f liquid piping x 0 37 of liquid piping x lt 0 26 R should be rounded off in units of 0 1 kg SER suot pod Total length m Total length m of liquid piping gt x 0 18 of liquid piping x 0 12 size at 015 9 size at 012 7 RTSYQ16PY1 Total length m Total length m ELE of liquid piping x 0 059 size at 09 5 of liquid piping x lt 0 022 size at 06 4 RTSYQ20PY 1 Example for refrigerant branch using REFNET joint and REFNET header for the systems and each pipe length as shown below System RTSYQ20PY1 Independent outdoor unit RTSQ8PY1 RTSQ12PY1 aa onl 912 7 20 0 064 20 ki 88x10m 00 4 064 10m R 40 x 0 18 25 x 0 12 50 x 0 059 80 x 0 022 14 91 14 9kc 14 9kq k 7 5 Round off in units of 0 1 kg Note 1 When the equivalent pipe length between outdoor 72 and indoor units is 90m or more the size of Outdoor unit yani Outdoor unit NET First refrigerant main pipes figure on right must be increased RTSYQ10 type 022 2 25 4 09 5 gt 012 7 s Function unit 9 Function unit branch kit branch kit according to the right table RTSYQ14 SYQ14 type Not Increased 012 7 gt 015 9 4 9 RTSYQI6 type 28 6 gt 431 8 0 91279 9159 Indoor RTSYQ20 type 79997 615 9 gt 019 1 unit If available on the site use this size __ Otherwise it can not be increased Increase gas and liquid pipe size both
323. f the main power switch during the unit is in operation and turning on the switch again after the work is completed start the unit operation the fan rotates 12 Airflow when Cooling Thermostat is OFF This is used to set airflow to LL airflow when cooling thermostat is OFF ModeNo FistCodeNo Second Code No Comens _ 0i _ LLarfow 12 22 02 157 Test Operation SiBE31 801 C Field Setting 13 Setting of Normal Airflow Make the following setting according to the ceiling height The second code No is set to 01 at the factory B In the Case of FXHQ Wall mounted type Standard 13 23 Wall mounted type Slight increase Wall mounted type Normal increase B Case of FXFQ25 80 Mode First Second Ceiling height 1 E Setting 4 way Outlets 3 way Outlets 2 way Outlets B Standard Lower than 2 7 m Lower than 3 0 m Lower than 3 5 m 02 High H Lower than 3 0 m Lower than m Lower than 3 8 m 0 Higher Ceiling S Lower than 3 5 m Lower than 3 5 m B Inthe Case of FXFQ100 125 Mode First Second Ceiling height 4 oe Setting 4 way Outlets 3 way Outlets 2 way Outlets Standard N Lower than 3 2 m Lower than 3 6 m Lower than 4 2 m 13 23 High Ceiling H Lower than 3 6 m Lower than 4 0 m Lower than 4 2 m Higher Ceiling S Lower than 4 2 m Lower than 4 2 m _ m B Inthe Case of FXUQ71 125 Mode First Sec
324. for the system on site For this purpose fully open the expansion valves of indoor and outdoor units and turn ON some of solenoid valves Testing procedure 1 While in with the system in a stopped state set A Refrigerant recovery Vacuuming mode Setting item No 21 to ON The expansion valves of the indoor and outdoor units will fully open and some of the solenoid valves will be excited H2P will indicate that test operation is in progress i e blink and the remote controller will display Test Operation and Under central control thus prohibiting operation 2 Close the stop valve of the liquid pipe suction pipe high and low pressure gas pipes and equalizer pipe only on multi systems respectively and then carry out airtight testing at 4 0 MPa pressure Press the MODE button BS1 to clear Setting Mode 2 CAUTION Do not turn OFF the power supply of the outdoor unit while the airtight testing is in progress Doing so will make the solenoid valves unexcited thus disabling the airtight testing on the outdoor unit 3 2 8 Setting of Refrigerant Recovery Mode When carrying out the refrigerant collection on site fully open the respective electronic expansion valve of indoor and outdoor units All indoor and outdoor unit s operation are prohibited Operation procedure In setting mode 2 with units in stop mode set Refrigerant Recovery Vacuuming mode to ON The respective electronic expansion valve of
325. g Heat reclaim ventilation Detect abnormal output from the external safety device with contact input between J1 and JC Abnormal output short circuit signal is issued from the external safety device Activation of external safety device Faulty connection of the abnormal output signal line Short circuit established in the abnormal output signal line Faulty control PCB Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Is the signal line properly NO connected to the terminals of J1 and JC connectors ls the voltage between NO Approx 16V the terminals of J1 and JC connectors 0V YES Disconnect the signal line from the terminals of J1 and JC connectors respectively Is the voltage between the terminals of J1 and JC connectors 0V YES NO Approx 16V Disconnect the signal line from the external safety device Make measurement of resistance between two wires of the signal line using a multiple meter 0 to several tens of Several MQ to infinite Q Properly connect signal line to the terminals of J1 and JC connectors respectively Replace the control PCB Replace the control PCB Replace the signal line Malfunction of external safety device The PCB is normal 334 Troubleshooting Heat Reclaim Ventilation 7 2 sk Remote Controller LCD Display Applic
326. ge units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed range limits Instead of a fuse use a circuit breaker O Specifications 1 Specifications SIiBE31 801 C 600x600 4 Way Blow Ceiling Mounted Cassette 1 1 TECHNICAL SPECIFICATIONS FXZQ50M9V1B Dimensions Unit 286 Dimensions 2 Exchanger 15 Turbo fan Going He mmm __ 35 9 t low mmn 70 70 75 m Fan Motor 1 QTS32C15M 55 high Direct drive Sound level Cooling Sound dBA 47 47 49 53 58 power nominal Cooling Sound Piping oo Flare connection 655 Gas Flare connection 26 Heat Insulation Foamed polystyrene foamed polyethylene Decoration BYFQ6OB7W1 id White Ra 9010 Dimensions 55 kg 700 2 7 Air Filter Resin net with mold resistance Refrigerant control Electronic expansion valve Temperature control Microprocessor thermostat for cooling and heating devices OOOO Notes Nominal cooling capacities are based on indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 7 5m horizontal Nominal heating capacities are based on indoor temperature 20 CDB outdoor temperature 7 6 CWB equivalent refrigerant piping 7 5m horizo
327. gerant system with one or more units with power OFF the refrigerant charging operation can not be accomplished properly For confirming the number of indoor units with power ON refer to 1 How to check how many units are connected on page 140 4 Press the BS1 MODE button once if the LEDs combination is not as in the figure below H1P H2P H3P H4P H5P H6P H7P O 5 Press the BS4 TEST button once H1P H2P H3P H5P H6P H7P O XX OO O O O 6 Hold the BS4 TEST button down for 5 seconds or more 7 Charging mode judgement However if the indoor temperature is 10 C DB or lower or the outdoor temperature is 0 C DB or lower in some cases the unit will charge in heating mode to increase the indoor temperature The unit will automatically select the cooling mode or heating mode for charging When charging in cooling mode the unit will stop operating when the required amount of refrigerant is charged During charging in heating mode a person must manually close valve A before complete charging is finished The required amount is the calculated amount see 5 Example of Connection R 410A Type on page 404 therefore the weight must be monitored constantly 136 Test Operation Note 2 d Note 137 SiBE31 801 C Charging in heating mode gt 8 Start up Wait while the unit is preparing for charging in heating mode H1P H2P H5P H6P H7P Pressure control for the fi
328. gree Defective control PCB control Outdoor unit lt Check if coil resistance and insulation electronic expansion normal In heading mn low pressure lt Check if the voltage property is normal nd ahi Faulty control 4 for lt Check if the connector is connected properly Check if the thermistor resistance property is normal Is excessively throttled 44 Defective control PCB lt Check if the pressure value given by the service checker corresponding to actual measurement value by the sensor Refrigerant gas Reter to Irregular piping length lt Does the piping length fall in the permissible range Bend collapse lt Conduct visual checks Large resistance of Fin Including moisture choke Remove the moisture by vacuum break Refer to 1508 Stop valve is closed lt Check if the stop valve is open 1 Refer to Low pressure protection control P 100 for hot gas bypass control 2 Refer to P 94 for subcooling electronic expansion valve control 3 Superheating temperature control in cooling mode is conducted by indoor unit electronic expansion valve Refer to P 127 4 Superheating temperature control in heating mode is conducted by outdoor unit electronic expansion valve EVM Refer to P 94 5 Judgement criteria of superheat operation 1 Suction gas superheating temperature 10 degrees and over 2 Discharge gas superheating temperature 45 degrees and over except for
329. group master and set the other outdoor units as group slave units Set the outdoor unit external control adaptor 551 to BOTH factory setting or C H and SS2 to OFF factory setting External control pus for outdoor unit CENTRAL 265 SELECTOR C H SELECT ER H3P H5P z C H SELECTOR oo OUT MULTI A B C F1 F2 F1 F2 Q1 Q2 Nl A C FI F2 F1 F2 QI1 02 O O Gss a To indoor unit To indoor unit Master unit Slave unit CHSEECT ChHsEECT 5 C H SELECT Ir MASTER SLAVE d SLAVE Fi Q ues e Q eO OUT MULTI MULTI Me F2 Q1 Q2 PE X To indoor unit Multi outdoor units connection Test Operation 180 Field Setting SiBE31 801 4 Set Cool Heat for More Than One Outdoor Unit System Simultaneously in Accordance with Unified Master Outdoor Unit by Cool Heat Selector Install the external control adaptor for outdoor unit on either the outdoor outdoor indoor outdoor transmission line Mount the COOL HEAT selector to the master outdoor unit for the unified control Setthe DS1 1 on the PCB of master outdoor unit to OUT n setting mode 1 set the outdoor unit you want to give cool heat selection permission to as the group master and set
330. harging of refrigerant on another time when the indoor temperature is warmer than 20 C DB and colder than 32 C DB 12 In case leak detection function required Press the BS4 TEST button once for post processing with regard to the leak detection function and press the 851 MODE button to confirm that charging is completed Record the amount that was added on the additional refrigerant charge label provided with the unit and attach it on the back side of the front panel Perform the procedure 1 3 4 Procedure for Inputting the Additional Refrigerant Charge Weight into the as described on 141 12 In case leak detection function not required Press the BS1 MODE button once and the charging is complete Record the amount that was added on the additional refrigerant charge label provided with the unit and attach it on the back side of the front panel Perform the procedure 1 3 4 Procedure for Inputting the Additional Refrigerant Charge Weight into the PCB as described on P 141 Test Operation SiBE31 801 d Note Test Operation Test Operation 1 How to check how many units are connected It is possible to find out how many indoor units are active and connected by operating the push button switch on the printed circuit board A1P of the working outdoor unit Make sure that all the indoor units connected to the outdoor unit are active Follow the 5 step procedure as explained below B The LEDs on the shows th
331. he connections securely and route the cable properly so that there is no force pulling the cable at the connection terminals Improper connections can cause excessive heat generation or fire When connecting the cable between the indoor and outdoor units make sure that the terminal cover does not lift off or dismount because of the cable If the cover is not mounted properly the terminal connection section can cause an electrical shock excessive heat generation or fire Do not damage or modify the power cable Damaged or modified power cable can cause an electrical shock or fire Placing heavy items on the power cable and heating or pulling the power cable can damage the cable Do not mix air or gas other than the specified refrigerant R 410A in the refrigerant system If air enters the refrigerating system an excessively high pressure results causing equipment damage and injury If the refrigerant gas leaks be sure to locate the leak and repair it before charging the refrigerant After charging refrigerant make sure that there is no refrigerant leak If the leak cannot be located and the repair work must be stopped be sure to perform pump down and close the service valve to prevent the refrigerant gas from leaking into the room The refrigerant gas itself is harmless but it can generate toxic gases when it contacts flames such as fan and other heaters stoves and ranges When replacing the coin battery in the remote contr
332. he subcooling heat exchanger Used to exercise the constant control of superheated degree at the outlet of subcooling heat exchanger Thermistor Subcooling heat This detects temperature of liquid pipe between the main expansion valve and exchanger liquid pipe TI subcooling heat exchanger n This detects temperature of liquid pipe between the air heat exchanger and main Thermistor Subcooling heat exchanger gas pipe Tsh Thermistor Heat exchanger liquid pipe Tf electronic expansion valve Used to make judgements on the recover or discharge refrigerants to the refrigerant regulator R8T Thermistor Suction pipe TsA Used to detect suction pipe temperature 1 RO Thermistor Liquid pipe Tsc m of liquid pipe between the liquid stop valve and subcooling Refrigerant Circuit 54 SiBE31 801 ircui Refrigerant C RTSQ8PY1 v8ZO90CE 3 H31H3ANI 2 N 9c caf V 12 HOSN3S 3ufiss3ud 02 M01 SL Jan AuVTIldvo 1055440 L gt i uar ANIA NOISNVaX3 OINOH 109313 ual uar HOLV 1193 1NVH359IHJ33u 02 GIONS OS HdlS 01 AHVTIIdVO HOLVHVd3S 1 22 10 Hari jOIAH3S HANIVHLS ZN ANWA AYM 2 a1mmosav 3ATVA
333. hooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Electronic expansion valve is connected to X7A of indoor unit PCB NO Shut the power supply off after connection and then restart YES Check 1 of electronic expansion valve coil indicates normal N 2 Replace the electronic expansion valve coil YES Relay cables short circuit or disconnected YES Replace the relay cables NO When restarting the operation after shutting the power supply off does not work replace the indoor unit PCB 1 How to check the electronic expansion valve coil Remove the connector for electronic expansion valve X7A from PCB Measure the resistance value between pins and check the continuity to judge the condition 1 White White 1 2 Yellow 1 Red 5 3 3 Orange Orange 3 4 Blue 02 94 Yellow Brown Blue 2 Hed 2 6 4 6 Brown The normal products will show the following conditions 1 No continuity between 1 and 2 2 Resistance value between 1 and 3 is approx 300 Q 3 Resistance value between 1 and 5 is approx 150 Q 4 Resistance value between 2 and 4 is approx 300 Q 5 Resistance value between 2 and 6 is approx 150 Q 235 Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 7 Indoor Unit Drain Level above Limit Remote Contr
334. i ainsseid eansseud seb einsseJd uoIsuedx 1 1l d yea AAO 1e1souueu p T 002 NO uorneJjedo A3 1s0JJeq uJni8i 2 1 1l d ouo129 3 ____ jeeH NO 9 uonejedo Joopu 78 I CUI Refrigerant SiBE31 801 C Refrigerant Flow for Each Operation Mode Heating Oil Return amp Defrost Operation at Low Outdoor Temperature 2191114 19115 YOOUD 1 108095 eJnssaJgd 5 e gt 3s 5 0015 Yms JojeJeDujeu ainsseid uBiH piousjos eqn ael HUE n 7 E ed eunsseud ejnjosqe Jo aea L Ii 91 55914 X 100 lt gt uolsuedx eqn Medeo yg ee fee lt eqni Medes 1 1l d Aem noy Josuas alnssaud 2 0 JO EI jou 4 G9 uoisuedxe 91U0JI29 3
335. iately The refrigerant charge port has a electronic expansion valve and will be closed at the end of the refrigerant charging However the valve will be opened when operating the unit after refrigerant charging If the tank is left with the valve open the amount of refrigerant which is properly charged may get off point More refrigerant may be charged by any remaining pressure after the unit has stopped Perform the settings on the circuit board A1P of the outdoor unit and check the LED display after the power is on via the service lid which is in the lid of the electric component box Operate switches with an insulated stick such as a ball point pen to avoid touching the life parts Make sure to re attach the inspection cover into the switch box cover after the job is finished If the power of some units is turned off the charging procedure can not be finished properly Make sure to turn ON the power 6 hours before starting the operation This is necessary to warm the crankcase by the electric heater If operation is performed within 12 minutes after the indoor units BS units and outdoor unit are turned on the H2P LED will be lit and the compressor will not operate After adding the refrigerant do not forget to close the lid of the refrigerant charging port The tightening torque for the lid is 11 5 to 13 9 Nem In order to ensure uniform refrigerant distribution it may take the compressor 10 minutes to start up after the
336. ics of new refrigerant R 410A 1 Performance Almost the same performance as R 22 and R 407C 2 Pressure Working pressure is approx 1 4 times more than R 22 and R 407C 3 Refrigerant composition Few problems in composition control since it is a Quasi azeotropic mixture refrigerant units Units using new refrigerants HCFC units Refrigerant name R 407C R 410A Non azeotropic mixture Quasi azeotropic mixture lt _ Composing of HFC32 HFC125and of HFC32 HFC125 Single component substances HFC134a 1 1 refrigerant 3 2 MPa gauge pressure 4 0 MPa gauge pressure 2 75MPa gauge pressure 32 6 kgf cm 40 8 kgf cm 28 0 kgf cm Synthetic oil Ether RS o 1 Non azeotropic mixture refrigerant mixture of two or more refrigerants having different boiling points 2 Quasi azeotropic mixture refrigerant mixture of two or more refrigerants having similar boiling points 3 The design pressure is different at each product Please refer to the installation manual for each product Reference 1 MPa 10 19716 kgf 32 125 50 50 5 X Y LIV SA N AA EET FARA xS aver c er EL Le EUREN ae RI Fall CX RU b v ju p Terere 4 yum te CAL L NH IL
337. ied ON OFF controller Detect the malfunction according to DIII NET transmission data When no central control addresses are set to indoor units When no indoor units are connected within the control range B Central control address group No is not set for indoor unit Improper control range setting switch improper wiring of transmission wiring Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Is the central control address group No set for the indoor N Set by remote controller the central control address for all indoor units connected to the central control line YES Is the control range NO setting switch set correctly YES s the transmission wiring disconnected or wired incorrectly YES NO Set the control range setting switch correctly and simultaneously reset the power supply for all optional controllers for centralized control Fix the wiring correctly Replace the unified ON OFF controller Troubleshooting SiBE31 801 Troubleshooting Heat Reclaim Ventilation 7 Troubleshooting Heat Reclaim Ventilation 7 1 50 Error of External Protection Device Remote Controller LCD Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting Error Code Inspection OFF Unit No Blinkin
338. ies Use of unauthorised parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage electrical shock fire or explosion e Read the User s Manual carefully before using this product The User s Manual provides important safety instructions and warnings Be sure to follow these instructions and warnings If you have any enquiries please contact your local importer distributor and or retailer Cautions on product corrosion 1 Air conditioners should not be installed in areas where corrosive gases such as acid gas or alkaline gas are produced 2 If the outdoor unit is to be installed close to the sea shore direct exposure to the sea breeze should be avoided If you need to install the outdoor unit close to the sea shore contact your local distributor JMI 0107 ISO 9001 Organization DAIKIN INDUSTRIES LTD AIR CONDITIONING MANUFACTURING DIVISION Scope of Registration THE DESIGN DEVELOPMENT AND MANUFACTURE OF COMMERCIAL AIR CONDITIONING HEATING COOLING REFRIGERATING EQUIPMENT COMMERCIAL HEATING EQUIPMENT RESIDENTIAL AIR CONDITIONING EQUIPMENT HEAT RECLAIM VENTILATION AIR CLEANING EQUIPMENT MARINE TYPE CONTAINER REFRIGERATION UNITS COMPRESSORS AND VALVES ISO 9001 JQA 1452 Organization DAIKIN INDUSTRIES THAILAND LTD Scope of Registration THE DESIGN DEVELOPMENT AND MANUFACTURE OF AIR CONDITIONERS AND THE COMPONENTS INCLUDING
339. ifferential pressure 0 5MPa or more Incorrect UVW wiring Faulty inverter PCB Stop valve is left in closed 248 Troubleshooting by Indication on the Remote Controller Troubleshooting 249 SiBE31 801 Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred While in monitor mode check the outdoor unit and the function unit concerned Check if the stop valve is open YES NO Check if the relay wires NO to the compressor are correct YES Check if the connection NO Power OFF of UVW phase order is The insulation resistance of YES the compressor is low not more than 100 0 NO The compressor coil YES has disconnection of Restart and check the NO operation Check if the condition occurs again YES Power ON Check if he start mode is in the high YES differential pressure not less than Remove the connection between the compressor and inverter Set the power transistor check mode ON using Setting mode 2 of the outdoor unit PCB Measure the inverter output voltage 2 Note Measurement should be made while the frequency is stable Power OFF Check if the inverter output voltage between 3 phases is within 5V NO Power ON YES Local factor Open the stop valve Replace the connecting wires and ensure right connection of the connector Ensure correct connection
340. ifications SiBE31 801 C Specifications Wall Mounted Unit 50 Voltage 220 240 ra osa cue a EAE Notes Voltage range units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed limits Specifications 44 Specifications SIiBE31 801 C Floor Standing Unit 1 1 TECHNICAL SPECIFICATIONS 5 um Fan low 60 so 85 no ro Model DB DO 20480 us high Cooling Sound Piping oe Flare connection Gas Safety devices E s Notes Nominal cooling capacities are based on indoor temperature 27 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 7 5m horizontal Nominal heating capacities are based on indoor temperature 20 CDB outdoor temperature 7 CDB 6 CWB equivalent refrigerant piping 7 5m horizontal Capacities are net including a deduction for cooling an addition for heating for indoor fan motor heat Sound pressure levels are measured at 220V 45 Specifications SiBE31 801 C Specifications Floor Standing Unit Voltage 220 240 mL fuse amps e 15 00 Full load amps FLA Notes Voltage range units are suitable for use on electrical systems where vol
341. ight time low noise setting is also required Power transistor check mode Check after Push the RETURN 53 button and set to the initial status of Setting mode 2 f you become unsure of how to proceed push the MODE BS1 button and return to setting mode 1 N 93 22 24 26 2 Used for trouble diagnosis of DC compressor Since the waveform of inverter is output without wiring to the compressor it is convenient to probe whether the trouble disconnection of comes from the compressor or PCB compressor wires Capacity If the capacity control is required the low noise control is automatically released by this setting during carrying out SENNO low noise operation and nighttime low noise operation Changes target value of power consumption when Demand setting 1 demand control 1 is input Normally enables demand control 1 or 2 without external input Effective to prevent a problem that circuit breaker of small capacity is shut down due to large load 2 9 30 Normal demand 32 setting The numbers in the No column represent the number of times to press the SET BS2 button Test Operation 172 Field Setting SiBE31 801 C Setting tem Emergency operation 1 Setting for the master unit lt RTSYQ20P gt operation Prohibits operation of master unit prohibition in multi outdoor unit system Emergency operation 2 Setting for the slav
342. ii u per 202 3 2 Self diagnosis by Wired Remote Controller 203 3 3 Self diagnosis by Wireless Remote Controller 204 3 4 Remote Controller Service Mode 207 9 9 ues Dc 210 36 WEST PRU MOGO re ose EU 211 3 7 Remote Controller Self Diagnosis FUNCTION 211 3 0 Maltullctiori suelos 213 Troubleshooting by Indication on the Remote Controller 220 4 1 Ao Indoor Unit Error of External Protection Device 220 4 2 Indoor Unit PCB Defect 221 4 3 Indoor Unit Malfunction of Drain Level Control System S1L 222 4 4 55 Indoor Unit Fan Motor M1F Lock Overload 224 Indoor Unit Malfunction of Indoor Unit Fan Motor 226 4 5 5 Indoor Unit Malfunction of Swing Flap Motor M15 230 4 6 55 Electronic Expansion Valve Malfunction Dust Clogging 232 99 Indoor Unit Malfunction of Electronic Expansion Valve Coil 234 4 7 Indoor Unit Drain Level above Limilt 236 4 8 Indoor Unit Malfunction
343. ill be displayed according to the malfunction code display of the remote controller 2 When the aux electric heater turns ON the fan will stop after it conducts residual operation for 1 min Fan MP Stop Electronic expansion valve 20E Closed Louver Sto Yes ls test run i Drai pump kit MP OFF hermostat OFF after 5 min status residual operation ON Aux electric 52H OFF Humidifier Mu OFF Cooling Operation Option OFF Humidifier Mu OFF Dew prevention condition Set wind direction Micro computer d ONGFE Dew prevention position Cassette type P1 Ceiling suspended type PO Swing flap OFF Micro computer dry operation Micro computer dry display Reset o Fan Operating with set airflow rate Option Yes Drain pump kit MP OFF after 5 min residual operation Option No 4 Freeze prevention Y es Drain pump kit operation in progress s Restart prevention operation in progress 5 min Option OFF Drain pump kit Electronic expansion valve Electronic expansion valve Capacity control 20E Closed Thermostat ON Thermostat ON operation signal to operation signal to outdoor unit Output outdoor unit Output Option 6 Drain pump kit 2 3 When the drain pump kit turns ON the drain pump kit will stop after it conduc
344. imits Instead of a fuse use a circuit breaker 27 Specifications SiBE31 801 C Specifications Slim Concealed Ceiling Unit with Drain Pump 1 1 TECHNICAL SPECIFICATIONS FXDQ63NBVE o Wan m 1 9 39 me m j _ es oe FnPkh m o 45 5 T 45 m ow ow 0 j Fa e 00 Sirocco fan hm _ 8 m t m Cooling Piping Ob Flare connection connections Dam wm 5 5 o _ Gas Drain Diameter mm VP20 I D 20 O D ee OD O Notes Nominal cooling capacities are based on indoor temperature 27 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 7 5m horizontal Nominal heating capacities are based on indoor temperature 20 CDB outdoor temperature 7 CDB 6 CWB equivalent refrigerant piping 7 5m horizontal Capacities are net including a deduction for cooling an addition for heating for indoor fan motor heat External static pressure is changeable to set by the remote control this pressure means high static pressure standard static pressure The operation sound levels are conversion values in anechoic chamber In practice sound levels tend to be higher than the specified values due to ambient noise or reflection Mind the suction place is changed to botto
345. in normal heating Four way valve for high and low pressure gas pipe selection Ending Conditions 170 sec of 1 min 522 of T e After a lapse of a lapse After a lapse 160sec or lt 0 5MPa Th gt 11 C lt 0 5 Pc Pe gt 0 4MPa 2 The system be operated beyond the upper limit of frequency of the compressor in P 92 and 93 during defrost operation 111 Function SiBE31 801 Special Control Function unit Elect In preparation In defrosting After defrosting Symbol Step 1 Step 2 operation operation ps re 210 gt 52 Hz Electronic expansion valve 0 pls 0 pls 0 pls 0 pls Liquid injection Electronic expansion valve Two stage Y2E1 200 pls 0 pls 0 pls 200 pls selection 1 Electronic expansion valve Two stage 2 2 200 pls pls 0 pls 200 pls selection 2 Solenoid valve Hot gas Solenoid valve Two stage decompression Solenoid valve Bypass 1 1 e After a a lapse lapse Ending Conditions 170 sec of 1 min or p Bypass 2 Solenoid valve Liquid line selection f 12 min e Pc Pe lt 0 5 e Tb gt 11 C lt 0 5 Indoor unit Elect symbol Indoor unit actuator operation during defrost operation Thermo ON unit Unit not in operation Fan Thermo OFF unt OFF Thermm OFFunt J OF Thermo ON unit Defrost EV degree Electronic Unit not in operation 256pls expansion valve Th
346. in operation 2 Master unit and slave unit in this section are the names for control and they will be transferred according to the priority of rotation system Depending on the operating conditions of compressors the compressors may run in patterns other than those aforementioned 93 Function SiBE31 801 C Normal Operation 6 3 Electronic Expansion Valve PI Control 6 3 1 Electronic Expansion Valve of Outdoor Unit Main electronic expansion valve Y1E When the outdoor unit heat exchanging is performed via the evaporator 208A is set to ON this function is used to exert Pl control on the electronic expansion valve Y1E so that the evaporator outlet superheated degree SH will become constant SH Tg Te SH Evaporator outlet superheated degree Tg Gas pipe temperature detected by the heat exchanger gas pipe thermistor R2T Te Low pressure equivalent saturated temperature C Refrigerant charge electronic expansion valve Y2E While in automatic refrigerant charge and additional refrigerant charge mode this function is used to exert PI control on the opening degree of the electronic expansion valve Y2E in response to outdoor temperature and close the valve after the completion of refrigerant charge For normal operation this electronic expansion valve opening is 80 pls Subcooling electronic expansion valve Y3E In order to make the maximum use of the subcooling heat exchanger this function is used to ex
347. ing heating heating g Solenoid valve U Same step as Same step as Same step as Same step as 2 pipe of that in normal that in normal that in normal that in normal one step as that in normal heating heating heating heating 9 Four way valve for high and low pressure gas pipe OFF ON ON ON OFF selection e After E Ad lapse of Ending Conditions 170 sec ord min or of4 min of 1 min e e TSA Te e Pc Pe 0 5MPa lt 5 lt 0 5 e Pc Pe gt 0 4MPa 1 In case of multi outdoor unit system Master unit It conducts the operation listed in the table above Slave units Operating units conduct the operation listed in the table above Non operating units conduct the operation listed in the table above after the Oil returning process Non operating units stop while in Preparation mode 109 Function SiBE31 801 Special Control Function unit In preparation In oil return After oil return 210 Hz 52 Hz 0 Hz Electronic expansion valve Liquid injection Electronic expansion valve Two stage Y2E1 200 pls 0 pls 0 pls 200 pls selection 1 Electronic expansion valve Two stage Y2bE2 200 pls pls 0 pls 200 pls selection 2 or Solenoid valve Hot gas Solenoid valve Two stage decompression Solenoid valve Bypass 1 Solenoid o Solenoid oe Liquid line ON selection e After e After e After a lapse a lapse a
348. insulation resistance of the compressor is 100kQ and above NO Heplace the compressor and compressor inverter PCB 4 at the same time YES Replace the inverter PCB A4P CHECK 4 Check if the power transistor of the fan driver is normal NO Replace the compressor inverter PCB 4 and fan inverter PCB 5 YES Replace the inverter PCB A4P 50 474 Referring to the information on 341 1 List of Inverter PCBs Mode Neme Electric symbol Compressor inverter PCB rus Fan inverter PCB Compressor inverter PCB abu Fan inverter PCB A8P BTSQ20P Compressor inverter PCB 275 Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 36 Outdoor Unit Malfunction of Inverter Radiation Fin Temperature Rise Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting E i Lo RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit Fin temperature is detected by the thermistor of the radiation fin When the temperature of the inverter radiation fin increases above 93 C m Actuation of radiation fin thermal Actuates above 93 C B Defect of inverter PCB m Defect of radiation fin thermistor 276 Troubleshooting by Indication on the Remote Controller Troubleshooting 277 While in monitor mode check the unit
349. ion or subcooled degree control while in heating operation Used for gas superheated degree control while in 4 Gas pipe thermistor R3T cooling operation GAS Appendix 4D034245D 362 Piping Diagrams 51 1 801 C FXDQ NB PB Gas side Liquid side one Electronic expansion valve Filter Filter Indoor heat exchanger 4D060927 B Refrigerant pipe connection port diameters mm Gas FXDQ20NB 25NB 32NB PB 40NB 50NBVE 012 7 FXDQ63NBVE 015 9 FXMQ20P 25P 32P 40P 50P 63P 80P 100P 125P 140PVE Gas pipe Heat exchanger connection port CU HL H Fan Liquid pipe connection port Filter Filter Electronic expansion valve 4D034245D B Refrigerant pipe connection port diameters mm Gs Lid FXMQ20P 25 2 80P 100P 125 140PVE 15 9 363 Appendix SiBE31 801 C FXMQ125MF 200MF 250MFV1 Appendix Piping Diagrams Gas pipe connection port 222 174 2 I Heat exchanger I Th3 E E Fiter e Tni tube B valve Check A Z valve Filter m Filter Electronic expansion valve FXMQ125MFV1 FXMQ200MFV 1 FXMQ250MFV1 Liquid pipe connection port 4D018650C 364 Piping Diagrams 51
350. ion valve Main 480 480060000 240 pls Electronic expansion valve Electronic expansion valve Refrigerant charge 80 pls 80 pls 80 pls 80 pls Solenoid valve pecia regulator gas purging pipe Four way valve Heat exchanger Solenoid valve regulator liquid pipe Solenoid valve uu gas Solenoid valve Refrigerant regulator discharge pipe Y7S OFF OFF OFF OFF regulator discharge pipe Four way valve High low pressure gas pipe switch Y2S ON ON ON ON e 5 min e Master unit Pe lt 0 49 MPa e 45 Sec Or Solenoid valve Refrigerant OFF OFF OFF OFF e Master unit Pe lt 0 24 MPa e Master unit Tp gt 160 C e Master unit Pc gt 3 14 MPa Ending conditions e Master unit Pc gt 2 94 MPa e Master unit Tdi gt 110 C e Master unit gt 1259 105 Function SiBE31 801 Special Control 8 1 2 Pump down Residual Operation in Heating Operation Outdoor Unit Elect Slave unit operation Actuator Master unit operation RTSYQ20PY1 only Outdoor unit fan 1 M1F _ Fan STEP No 8 Fan STEP No 4 Outdoor unit fan 2 Electronic expansion valve Electronic expansion valve Refrigerant charge 80 pls 80 pls Solenoid valve Refrigerant vis regulator gas purging pipe Four way valve Heat exchanger Y3S Y4S 5S Y6S 7S Y8S 2S switch Solenoid valve Refrigerant regulator liquid pipe Solenoid valve Hot gas Solenoid Main bypass yes Solenoid valve Refrigerant regulator discharge pipe Solenoi
351. iping 7 5m horizontal Capacities are net including a deduction for cooling an addition for heating for indoor fan motor heat Sound pressure levels are measured at 220V Specifications 24 Specifications SIiBE31 801 C 5 v _ 200 2 Current Minimum circuit amps A 0 30 0 30 0 30 0 50 MCA Maximum fuse amps A 15 00 MFA Ful load amps FLA Notes Voltage range units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed range limits For more details concerning conditional connections see http extranet daikineurope com select E Data Books Finally click on the document title of your choice 25 Specifications SiBE31 801 C Specifications Slim Concealed Ceiling Unit with Drain Pump 1 1 TECHNICAL SPECIFICATIONS FXDQ32PBVE Capaciy Dimensions Unit 200 2 Sirocco fan Airflow Rate Cooling High high High 72 Low 6 4 Fan External High Pa 2 static pressure Standard EN Motor Output W high zi Direct drive 9 Oo MP O Piping oe Flare connection 625 Gas Type Flare connection VP20 LD 200 26 Sound absorbing insulation Foamed polyethylene Removable washable Mildew proof Air Filter Refrigerant control Electronic expansion valve Temperature control Microprocessor thermostat for cooling and heating Safety devices Fuse Fan motor thermal protect
352. is Tro and the suction air temperature in operation is Tr Tr lt Tro 1 C Thermostat OFF Tro Suction air temperature at the when Tro lt 24 5 C In dry operation time of starting the dry operation Tr lt Tro 1 5 C Thermostat OFF Tr Temperature detected with the when Tro gt 24 5 Oy Operation suction air thermistor R1T Furthermore while in dry operation mode fans operate at L flow rate stops for a period of six minutes while the thermostat is OFF and then return to operation at L flow rate This control is used to prevent a rise in indoor temperature while in thermostat OFF mode 119 Function SiBE31 801 Outline of Control Indoor Unit 9 2 5 Thermostat Control with Operation Mode Set to AUTO When the operation mode is set to AUTO on the remote controller the system will conduct the temperature control shown below Furthermore setting changes of the differential value D C can be made according to information in the Field settings with remote controller P 148 and later section Mode First code o Differential value while AUTO B B o EN Factory setting Set heating temperature Set cooling temperature A D C D C Cooling thermostat Cooling thermostat OFF Display change Cooling Heating Display change Heating Cooling Heating thermostat OFF Heating thermostat ON Ex When automatic cooling tempera
353. item to which attention must be paid C This symbol indicates a prohibited action The prohibited item or action is shown inside or near the symbol This symbol indicates an action that must be taken or an instruction The instruction is shown inside or near the symbol m After the repair work is complete be sure to conduct a test operation to ensure that the equipment operates normally and explain the cautions for operating the product to the customer 1 1 1 Caution in Repair Be sure to disconnect the power cable plug from the plug socket before disassembling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shock If itis necessary to supply power to the equipment to conduct the repair or inspecting the circuits do not touch any electrically charged sections of the equipment If the refrigerant gas discharges during the repair work do not touch the discharging refrigerant gas The refrigerant gas can cause frostbite When disconnecting the suction or discharge pipe of the compressor at the welded section release the refrigerant gas completely at a well ventilated place first If there is a gas remaining inside the compressor the refrigerant gas or refrigerating machine oil discharges when the pipe is disconnected and it can cause injury If the refrigerant gas leaks during the repair work ventilate the area The refrigerant gas can generate toxic gases when it
354. ith inverter compressor when STD compressor malfunctions This is a temporary operation extremely impairing comfortable environment Therefore prompt replacement of the compressor is required This operation however is not set with RXYQ5 Selection of setting conditions Push the BS2 button and set to the setting condition you want Push the RETURN 853 button and decide the condition Emergency operation co Additional 20 refrigerant charge Carries out additional refrigerant charge operation operation setting Refrigerant recovery Sets to refrigerant recovery or vacuuming mode 21 vacuuming mode Indoor unit Electronic expansion valve Fully open setting Outdoor unit Part of electronic expansion valve and solenoid valveFully open Night time low Sets automatic nighttime low noise operation in a simple way noise setting The operating time is based on Starting set and Ending set Used to forcedly turn ON the ENECUT Be noted that the ari ENECUT is only functional with outdoor unit in the stopped state Japanese domestic model only Setting of external Sets low noise level when the low noise signal is input low noise level from outside A dud Sets starting time of nighttime low noise operation stai salting Night time low noise setting is also required Night time low s MES noise operation end Sets ending time of nighttime low noise operation setting N
355. its again displayed while in DIII NET test run mode referring to the ls the ME Master Slave setting table displayed again Run M CHECK 9 Without i displayed Reset the power supplies of Centralized controller Normal every centralized controller P It is supposed that the malfunction results from external factors e g noises from other equipment 1 150064 Referring to the information on P 346 327 Troubleshooting SiBE31 801 C Troubleshooting OP Unified ON OFF Controller 6 Troubleshooting OP Unified ON OFF Controller 6 1 Operation Lamp Blinks Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Operation lamp blinks All model of indoor units Unified ON OFF controller Detect the malfunction according to DIII NET transmission data Malfunction of transmission between optional central controller and indoor unit Connector for setting master controller is disconnected Defect of unified ON OFF controller PCB Defect of indoor unit PCB Malfunction of air conditioner 328 Troubleshooting OP Unified ON OFF Controller Troubleshooting 329 SiBE31 801 C Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Is a malfunction code displayed on the remote controller NO Has a once conne
356. l 1 Faulty system Individual system Multi system Right hand system Master 09 gt Left hand system Slave 1 Slave 2 0 Alsystems System 219 Troubleshooting SIiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 Troubleshooting by Indication on the Remote Controller 41 Indoor Unit Error of External Protection Device en Controller Display Applicable All indoor unit models Models Method of Detect open or short circuit between external input terminals in indoor unit Malfunction Detection Malfunction When an open circuit occurs between external input terminals with the remote controller set to Decision external ON OFF terminal Conditions Supposed m Actuation of external protection device Causes m improper field set B Defect of indoor unit PCB Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred External protection device is connected to terminals T1 and T2 of the indoor unit terminal YES Actuation of external protection device Check the setting state of the ON OFF input from outside by remote controller ON OFF input from outside mode No 12 first code 1 has been set to external protection device input second code No 03 by remote controller Change the second
357. l on next page Test Operation 168 Field Setting SiBE31 801 C Detail of DS1 1 4 DS2 1 4 setting for Overseas general Setting method W represents the position of switches 11 n HEAT PUMP 8HP RTSQ8PY1 NN Set DS2 1 and DS2 3 to ON 12 I I DS1 DS2 HEAT PUMP 10HP ON Set DS2 1 DS2 2 and DS2 3 RTSQ10PY1 OFF to ON 1234 1234 HEAT PUMP 12HP z RTSQ12PY1 MM Set DS2 1 and DS2 4 to ON 12 t a HEAT PUMP 14HP Set DS2 1 DS2 2 and DS2 4 RTSQ14A4PY 1 a to ON DS1 DS2 HEAT PUMP 16HP ON Set DS2 1 DS2 3 and DS2 4 RTSQ16PY1 OFF to ON 1234 1234 lt Function Units gt Setting method W represents the position of switches Jn BTSQ20PY1 E NN Set DS2 1 and DS2 3 to ON 12 I 169 Test Operation SiBE31 801 C Field Setting 3 2 4 Setting by Pushbutton Switches The following settings are made by pushbutton switches on PCB In case of multi outdoor unit system various items should be set with the master unit Setting with the slave unit is disabled The master unit and slave unit can be discriminated with the LED mE as shown below LED display MODE TEST COOL HEAT select select Demand Multi H1P H2P IND s SLAVE noise ES H4P H5P H6P Single outdoor unit system Outdoor multi system Factory setting There are the following three setting modes Setting mode 1 H1P off Initial status when n
358. l PCB Defective valve coil Check if coil resistance and Subcooling insulation are normal Faulty electronic Defective valve discharge lin cooling mode expansion body pipe Faulty valve failure Defective low om 2 the voltage property is electronic Defective subcoolin 217 heat exchanger Se lt Check if the connector is connected properly control EVT ias thermistor Check if the thermistor resistance 2 property is normal control lt Check if the pressure value given by the service checker corresponding to actual measurement value by the sensor Four way valve is in the Faulty of four middle lt Check if the piping temperature connected wav valv to the four way valve is normal Ubi a Leak from hot gas b valve Superheat due to Compressor shaft damage overheat Superheat due to defective compressor Indoor unit Defective valve coil Check if coil resistance and insulation are electronic expansion normal In cooling mode valve failure Defective valve body If the indoor unit electronic Defective thermistor for I lt Check if the connector is connected properly 4 indoor unit gas pipe Check if the thermistor resistance property is throttled 9 Faulty control normal Defective thermistor for indoor unit liquid pipe lt Check if the connector is connected properly Faulty Check if the thermistor resistance property is superheated normal de
359. lapse of 10 sec Occur 4 times per 60 min Hestart standby Stop due to malfunction 3 times per 60 min at maximum a displayed 7 4 2 Inverter Fin Temperature Control This control is conducted by each INV compressor Normal operation en di Tfin lt 81 Upper limit of compressor operating frequency 210 Hz Inverter current gt C continues for a period of consecutive 260 sec 1 Tfin Value detected by the fin thermistor 2 For INV compressor steps INV compressor see 2 INV compressor see 2 refer to information on P 92 1 step down per 10 sec 1 step up per 3 min and 93 Tfin gt 84 A lapse of 10 sec Tfin 81 C continues for a period of consecutive 3 min Tfin gt 93 x Occur 4 times per 60 min Restart standby Stop due to malfunction 8 times per 60 min at maximum displayed 103 Function SIBE31 801 Protection Control 7 5 STD Compressor Overload Protection This control is used to prevent abnormal heating due to overcurrent to the compressor resulting from failures of STD compressor such as locking SID compressor ON A Demand to operate CT detection current value 14 95A STD compressor OFF for 30 min When occurring 3 times within 90 min the malfunction code is output 4 7 6 Cooling Fan Control for Radiation Fin Temperature of Function Unit When the inverter fin temp
360. ler wireless Remote Controller Vid DC280V 140W 7 sow ap _ Motors AC220 240V Drain Pump M1P PLD 12230DM Thermal protector 145 C I ST8601 3 L630 Thermistor Suction Air 20 25 C Thermistors Parts Name Symbol FXMQ FXMQ FXMQ FXMQ FXMQ FXMQ Remark mm ua 25PVE 32PVE 40PVE 50PVE 63PVE 80PVE 100PVE 125PVE 140PVE Thermistor for Heat R3T ST8605 14 08 L1000 Exchanger Moh Temp 20kQ 25 C Thermistor for Heat ST8602A 6 8 L1250 Exchanger 20kQ 25 Float Switch FS 0211B Fuse A1P 250V 3 15A Others F3U Fuse A2P A3P F4U 250V 6 3A Fuse A2P F2U 250V 5A Parts Name Symbol Remark FXMQ200MAVE FXMQ250MAVE Wired Remote Option Controller Wireless Remote BRC4C62 Controller AC 220 240V 50Hz Fan Motor M1F Motors 10380Wx2 Capacitor for Fan Motor 10u F 400V 12u F 400V ST8601A 13 Thermistor Suction Air 4 L630 Exchanger Moh Temp 8 L1000 Thermistor Heat ST8602A 6 Exchanger 6 11250 Float switch FS 0211 NM BENE m Thermistors Thermistor for Heat R3T ST8605A 5 EN E NEN Parts Symbol FXHQ FXHQ FXHQ Hemark 32MAVE 63MAVE 100MAVE Wired Remote i Controller Wireless Controller 71 BRC7E63W BERE AC 220 240V 50Hz Fan Motor M1F 1063W 10130W Motors Thermal protector 130 C OFF 80 C ON Capacitor for Fan Motor 3 0u F A400V 9 0uF 400V MT8 L 3P0
361. leshooting 299 RTSQ8P 16P Outdoor Unit Check operation is executed or not executed Malfunction is decided when the unit starts operation without check operation m Check operation is not executed Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Has the check operation performed Press and hold BS4 on the outdoor on outdoor unit master PCB for 5 seconds or more PCB or turn ON the local setting mode 2 YES 3 to conduct a check operation Pp Performs the check operation again and completes the check operation Troubleshooting SiBE31 801 C 4 48 ii EE Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting by Indication on the Remote Controller Malfunction of Transmission between Indoor Units d gt All model of indoor unit RTSQ8P 16P Outdoor Unit Check if the transmission between indoor unit and outdoor unit is correctly executed using micro computer When transmission is not carried out normally for a certain amount of time Indoor to outdoor outdoor to outdoor transmission wiring F1 F2 disconnection short circuit or wrong wiring Outdoor unit power supply is OFF System address does not match Defect of indoor unit PCB Defect of outdoor unit PCB 300 Troubleshoo
362. lfunction When the centralized controller which was connected once shows no response Decision The control ranges are overlapped Conditions When multiple master central controller are present When the schedule timer is set to individual use mode other central controller is present When the wiring adaptor for electrical appendices is present Supposed Causes Address duplication of optional controllers for centralized control Improper combination of optional controllers for centralized control Connection of more than one master controller Malfunction of transmission between optional controllers for centralized control Defect of PCB of optional controllers for centralized control Troubleshooting 330 Troubleshooting OP Unified ON OFF Controller SiBE31 801 C Troubleshooting 331 Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Has a once connected optional controller for centralized control been disconnected or its address changed YES Heset power supply simultaneously for all optional controllers for centralized control NO Is the power supa turned on for all optional controllers for centralized NO Turn on power supply for all optional controllers for centralized control Is the reset switch of all optional controllers for centralized control set to normal NO Set the reset switch to normal YES
363. ller malfunction code display on P 141 When a malfunction occurs check the display of the remote controller and refer to 3 Remote controller malfunction code display on 141 138 Test Operation A 139 SiBE31 801_C 11 Complete H1P H2P H5P H6P H7P 00 O O O O Cu The display on the remote controller shows a flashing code for signalling that automatic charging will be finished in about 10 minutes When the unit stops operating close valve A immediately and check the LEDs and check if the code is displayed on the remote controller H1P H2P H3P H4P H5P H6P H7P If the LED indication is not as shown above correct the malfunction as indicated in the display of the remote controller and restart the complete charging procedure When the charging amount is little the code may not be displayed but instead the gt code will be displayed immediately Beware of the fan blades when you open the front panel The fan may still rotate for a while after unit operation has stopped m When the unit displays an out of temperature range the automatic charging of refrigerant can not be completed B Out of outdoor temperature range Complete the charging of refrigerant on another time when the outdoor temperature is warmer than O C DB and colder than 43 C DB B Out of indoor temperature range Complete the c
364. ller only Centralized Used when you want to turn on by centralized remote controller only and turn on off freely by remote controller during set time Individual Used when you want to turn on off by both centralized remote controller and remote controller Timer operation possible by remote controller Used when you want to turn on off by remote controller during set time and you do not want to start operation by centralized remote controller when time of system start is programmed Test Operation 164 Field Setting SiBE31 801 C How to Select Whether operation by remote controller will be possible or not for turning on off controlling Operation Mode temperature or setting operation mode is selected and decided by the operation mode given on the right edge of the table below Example ON by remote OFF by remote controller Unified controller Unified OFF by OE 2 Control ON by OFF by remote mode is 1 centralized centralized remote controller remote controller remote controller remote controller l l l i Rejection Rejection Rejection Acceptance Acceptance Control by remote controller Unified operation T Control mode individual operation individual st p by Temperature Operation pas by centralized remote centralized remote control mode setting controller or operation controlled oo or timer by timer Acceptance O O Rejection 10 ejection impossibl
365. loat Switch FS 0211B Others ST8601 6 04 L1250 Thermistor Suction Air 20kQ 25 C Thermistors 395 Appendix SIBE31 801 C List of Electrical and Functional Parts Parts Name Symbol FXZQ FXZQ FXZQ FXZQ FXZQ Remark 20 1 25MV1 32MV1 40 1 50MV 1 Wired Remote Controll Option Wireless Remote BRC7E530 Controller AC 220 240V 50Hz Fan Motor M1F 1055W 4P Thermal Fuse OFF 13025 ON 80220 E AC220 240V 50Hz Drain Pump M1P PLD 12230DM Thermal Fuse 145 C ES Thermistor Suction Air Eb Thermistor for Heat R3T ST8605 3 08 L630 Exchanger Moh Temp 20kQ 25 C Thermistor Heat ROT ST8602A 3 6 L630 E anum 20kQ 25 C Float Switch FS 0211 Parts Name Symbol FXKQ FXKQ FXKQ FXKQ Remark 25MAVE 32MAVE 40MAVE 63MAVE Thermistors Wired Remote Remote Controller BRC1E51 Controller wireless Remote Controller AC 220 240V 50Hz Fan Motor 1015W 4P 1020W 4P 1045W 4P Thermal Fuse 146 Thermal Fuse 146 C Thermal protector SN C OFF 105 C ES Motors 220 240V Drain Pump M1P PLD 12200DM Thermal Fuse 145 C MP35HCA IO Di 1 Swing Motor ETSI m Thermistor Suction Air ST8601 13 04 L630 20 25 Thermistor for Heat R3T ST8605 7 08 L1600 Exchanger Moh Temp 20kQ 25 C Thermistor Heat ROT ST8602A 7 6 L1600 20kQ 25 C Float Switch FS 0211B Others Thermistors Appendix 396 List of
366. low noise demand operation Push and hold the MODE BS1 button for 5 seconds and set to Setting mode 2 Used to conduct test operation without making changes to the and replacing the refrigerant after the g completion of maintenance Indoor unit forced Allows forced operation of indoor unit fan while unit is fan H stopped H tap Selection of setting items Push the 852 button and set the LED display to a setting item shown in the table on the right 1 Push the RETURN BS3 button and decide the item The present setting condition is blinked Indoor unit forced Allows forced operation of indoor unit Te setting Target evaporation temperature for cooling Tc setting Target condensation temperature for heating Defrost changeover Changes the temperature condition for defrost and sets to setting quick defrost or slow defrost Sequential Sets sequential operation operation setting Factory setting to ON 1 2 3 5 10 11 External low noise 12 setting Demand Reception of external low noise or demand signal setting 13 address Set address for Make this setting to conduct heating operation with hot Make this setting in the case of operating in high static High static pressure pressure mode with diffuser duct mounted setting In order to mount the diffuser duct remove the cover from the outdoor unit fan Used to operate system only w
367. low the same procedure as that for 1 Normal vacuuming and dehydration described above 2 Vacuum break Pressurize with nitrogen gas up to 0 05MPa 3 Vacuuming and dehydration e Conduct vacuuming and dehydration for a period of one hour or more If the degree of vacuum does not reach 100 7kPa or less even though evacuation is conducted for a period of two hours or more repeat vacuum break vacuuming and dehydration 4 Leaving in vacuum state e Leave the compressor at the degree of vacuum of 100 7kPa or less for a period of one hour or more and then check to be sure that the vacuum gauge reading does not rise s Refrigerant charge Purge air from the manifold gauge connection hoses and then charge a necessary quantity of refrigerant n case of construction during rainy reason if dew condensation occurs in the piping due to extended construction period or rainwater or else may enter the piping during construction work Troubleshooting 350 Troubleshooting Heat Reclaim Ventilation SiBE31 801 C PM List of inverter related malfunction codes oe overcurrent of e Inverter output current exceeds 32 3A even Liquid sealing inverter compressor instantaneously e Faulty compressor e Faulty inverter PCB Overcurrent of inverter Compressor overload running e Backflow of compressor liquid compressor Electronic thermal An overcurrent of 19 0A or more continues for Sudden changes in loads a period of
368. ls RTSQ8 16 BTSQ20P 2 List of fan Inverter PCBs Mode Applicable Models PCO51 1 1 RTSQ8 10 12P PC0509 1 PC0511 3 RTSQ14P 511 1 0511 12 RTSQ16P Make correct setting of DIP switch For setting procedure refer to information on P 168 Replace it with the correct compressor inverter PCB Replace it with the correct fan inverter PCB Rectify the connection wiring Replace the outdoor unit PCB 292 Troubleshooting by Indication on the Remote Controller Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes 293 SiBE31 801 C RTSQ8P 16P Outdoor Unit Detect refrigerant shortage based on the temperature difference between low pressure or suction pipe and heat exchanger In cooling mode Low pressure becomes 0 1 or below In heating mode The degree of superheat of suction gas becomes 20 degrees and over SH Ts1 Te Ts1 Suction pipe temperature detected by thermistor Te Saturated temperature corresponding to low pressure Malfunction is not determined The unit continues operation Refrigerant shortage or refrigerant clogging piping error Defective thermistor RAT R8T Defective low pressure sensor m m Defective outdoor unit PCB A1P Troubleshooting SiBE31 801 C Troubleshooting Troubleshooting Troubleshooting by Indi
369. lty Replace either one 338 Troubleshooting Heat Reclaim Ventilation SiBE31 801 C Check on connector of fan motor Power supply cable 1 Turn off the power supply Measure the resistance between phases of U V W at the motor side connectors three core wire to check that the values are balanced and there is no short circuiting while connector or relay connector is disconnected Red U l Measure the resistance White V values between phases U V W Black W CHECK 2 1 Turn off the power supply 2 Measure the resistance between Vcc and each phase of U V W and GND and each phase at the motor side connectors five core wire to check that the values are balanced within the range of 20 96 while connector or relay connector is disconnected Furthermore to use a multiple meter for measurement connect the probe of negative pole to Vcc and that of positive pole to GND 5 Gray C GND 4 Pink C vec Measure the resistance 3 Oranae W values between Vcc 9 O and U V W and GND and U V W 2 Blue v 1Yellow u 339 Troubleshooting SiBE31 801 C Troubleshooting Heat Reclaim Ventilation Maze Check the Factors of Overheat Operation Referring to the Fault Tree Analysis shown below probe the faulty points Hot gas circuit clogging Faulty hot Defect anon gas bypass lt Check if coil resistance and insulation valve coil control are normal Defective solenoid valve body Defective contro
370. lve Refrigerant charge Used to open close refrigerant charge port Electronic expansion valve PI control is applied to keep the outlet superheated degree of subcooling heat Subcooling EVT exchanger constant Solenoid valve Refrigerant Y1S regulator gas purging pipe Used to collect refrigerant to the refrigerant regulator SVG Four way valve Dual pressure gas pipe switch 2058 Used to switch dual pressure gas pipe to high pressure or low pressure Four way valve Heat exchanger switch 20SA Used to switch outdoor heat exchanger to evaporator or condenser Solenoid valve Refrigerant regulator liquid pipe SVL Used to collect refrigerant to the refrigerant regulator Y6S Y7S i Solenoid valve Hot gas SVP Used to prevent the low pressure from transient falling 12 Y6 Solenoid valve Main bypass SVE This opens in cooling operation Solenoid valve Refrigerant v ws regulator discharge pipe SVO This is used to discharge refrigerant from the refrigerant regulator 4 4 5 7 10 11 12 Solenoid valve Discharge pipe 1 Y8S of refrigerant regulator SVT Bypass the high pressure gas to the refrigerant regulator S1NPH High pressure sensor Used to detect high pressure S2NPL Used to detect low pressure S1PH High pressure switch For INV compressor This functions when pressure increases to stop operation and avoid high pressure i increase in the fault operation 18 High pre
371. m error alarm and outdoor air thermistor error Is recorded YES Take corrective measures specified for damper system error alarm and indoor and outdoor air thermistor error 337 Troubleshooting SiBE31 801 Troubleshooting Heat Reclaim Ventilation 7 55 or Malfunction of Simplified Remote Controller Remote Controller LCD Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting Error Code gt Inspection OFF Unit No Blinking Heat reclaim ventilation Check with the micro controller whether or not the signal between the simplified remote controller and the control PCB is able to properly detect the malfunction The signal cannot be detected for a period of given time or more Disconnection of connector from simplified remote controller cable Broken wire of remote controller cable Faulty simplified remote controller Faulty control PCB Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Is any cable connector disconnected from the simplified remote controller on both remote controller ide and the control PCB ide Properly connect the connector The remote controller cable has broken wires YES Replace the remote controller cable The simplified remote controller or the control PCB gets fau
372. m suction sound level will increase Specifications 28 Specifications SIiBE31 801 C Power pe rra Frequency Je 6 220200 VAT fuse amps MFA Full load amps FLA 10 Notes Voltage range units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed range limits 29 Specifications SiBE31 801 C Specifications Concealed Ceiling Unit Small 1 1 TECHNICAL SPECIFICATIONS FXDQ25M9V3B cum 22 Power Input 0 050 Casing Non painted Galvanised steel Dimensions Packing 301 W ut 17 Heat Dimensions 430 Exchanger 2 2 12 Empty Tube Plate 4 Hole Tube type Hi XSS 7 o pe Symmetric waffle louvre Treatment Hydrophilic Sue 1 Cain S Fan Motor 1 Quipu nd 10 noh Refrigerant Refrigerant R RAO Sound level Sound power Eu m Sound High EET er 30 gt a 15 Piping Flare connection 625 Air Filter Resin net with mold resistance Air direction control Up and downwards Refrigerant control Electronic expansion valve Temperature control Microprocessor thermostat for cooling and heating Safety devices PCB fuse Fan motor thermal protector Notes Nominal cooling capacities are based on indoor t
373. matically refrigerant charge Operation stop 141 in charging Malfunction of inverter radiation fin temperature rise 2 sensor In automatically refrigerant charge Heat exchanger freeze prevention In automatically refrigerant charge Completion of automatically refrigerant charge In automatically refrigerant charge Refrigerant tank empty In automatically refrigerant charge Preparation for refrigerant tank shut In automatically refrigerant charge Refrigerant tank empty slave unit A D 2 2 85 88 90 141 141 141 141 141 Faulty field setting after replacing main PCB or 2 faulty combination of PCB Refrigerant shortage alert 2 Reverse phase open phase Check operation is not executed 2 Malfunction of transmission between indoor and outdoor units Malfunction of transmission between remote controller and indoor unit O Power supply insufficient or instantaneous failure 2 Failure of remote controller PCB or setting during control by remote controller Malfunction of transmission between outdoor units Malfunction of transmission between main and sub 310 remote controllers malfunction of sub remote controller 91 93 295 96 99 300 302 302 303 Malfunction oftransmission between indoor unit and 311 outdoor unit in the same system Improper combination of indoor and outdoor units 312 indoor units and remote controller Address duplication of centralized remote cont
374. mistor installed on pipes correctly N E Install the thermistor correctly YES Remove the outdoor air thermistor heat exchanging deicer thermistor and the liquid pipe thermistor from the outdoor PCB and measure resistance with a tester Is the characteristic of the above thermistor normal NO Replace the thermistor YES Rectify the overcharge of refrigerant Refer to Thermistor Resistance Temperature Characteristics table on P 408 258 Troubleshooting by Indication on the Remote Controller 51 1 801 C 4 23 5 Outdoor Unit Abnormal Outdoor Fan Motor Signal AL Remote Controller Display Applicable RTSQ8P 16P Outdoor Unit Models Method of Detection of abnormal signal from fan motor Malfunction Detection Malfunction In case of detection of abnormal signal at starting fan motor Decision Conditions Supposed Causes Abnormal fan motor signal circuit malfunction Broken short circuited or disconnection connector of fan motor connection cable Faulty inverter PCB A4P Fan Inverter PCB malfunction 5 259 Troubleshooting SiBE31 801 Troubleshooting Troubleshooting by Indication on the Remote Controller Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check the fan motor corresponding to the malfunction code in the monitor mode Refer to Page 216 217
375. mometer SEU 1 50 44 Referring to the information on P 343 2 Sa Referring to the information on P 340 294 Troubleshooting by Indication on the Remote Controller 51 1 801 C 4 45 Reverse Phase Open Phase Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting 295 gt RTSQ8P 16P The phase of each phase are detected by reverse phase detection circuit and right phase or reverse phase are judged When a significant phase difference is made between phases Power supply reverse phase Power supply open phase Defect of outdoor PCB A1P Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred There is an open phase at the power supply terminal section X1M of the outdoor unit Fix the open phase Requires inspection of field power supply section Operation is normal if one place of power supply line phase is replaced Reverse phase Counter measure of the problem is completed by phase replacement Replace the outdoor unit PCB A1P Troubleshooting SIiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 46 Outdoor Unit Power Supply Insufficient or Instantaneous Failure i I Remote Controller
376. mp invalidated Setting of slave unit to Set the setting item with master unit operation prohibited No 39 to Slave unit CAUTION Setting with outdoor unit operation prohibited with slave unit will be master unit Applicable to 9 invalidated Set the setting item No Setthe setting item No Setthe setting item No 964 with function unit Setting to operation prohibited with function unit CAUTION Setting with outdoor unit will prohibit the operation of the outdoor unit INV compressor 42 to INV compressor 42 to INV compressor 42 to INV compressor operation prohibited operation prohibited don prohibited Applicable to G Applicable to Applicable to 9 es e 189 Test Operation SiBE31 801 Test Operation Field Setting Disable operation setting of the compressor Applied model RTSYQ10 16P O Disabling the inverter compressor from operating Set No 42 of setting mode 2 to Disable inverter compressor operation LED display ON OFF 9 Blink Step 1 Press the MODE button BS1 for 5 2 3 5 6 O Disabling the STD compressor 1 or STD compressor 2 from operating Set No 19 of setting mode 2 to Disable STD compressor 1 or 2 operation LED display ON OFF Blink 2 3 4 5 seconds or more Press the SET button BS2 42 times Press the RETURN button 853 once Press the SET button BS2 once Press the RETUR
377. mperature 5101 dcharge 56010 charge pipe 37 38 39 Thermistor STD2 discharge pipe Tds2 Thermistor Heat exchanger Used to detect liquid pipe temperature of air heat exchanger Used to make deicer Tb judgements on defrosting operation R1T This detects temperature of gas pipe on the evaporator side for the subcooling heat R5T Thermistor Subcooling heat exchanger Used to exercise the constant control of superheated degree at the outlet of subcooling heat exchanger R8T 9T Thermistor Subcooling heat This detects temperature of liquid pipe between the main expansion valve and exchanger liquid pipe TI subcooling heat exchanger exchanger gas pipe Tsh 36 This detects temperature of liquid pipe between the air heat exchanger and main H7T Thermistor Heat exchanger electronic expansion valve Used to make judgements on the recover or discharge liquid pipe refrigerants to the refrigerant regulator Thermistor Suction pipe TsA Used to detect suction pipe temperature Thermistor Liquid pipe Tsc 227 of liquid pipe between the liquid stop valve and subcooling Refrigerant Circuit 58 SiBE31 801 Refrigerant Circui RTSQ14PY1 16PY1 8 0900 9 mi CR CR RC c CR CR CM CR D LLLI HOLIMS A 3unsSs3ud MO 41 5 GION3 IOS 3901 9 0 83114 AAT
378. mplified remote Not use See 2 controller BRC2C51 See 71 Remote Sensor In case a simplified remote controller is used 1 The simplified remote controller BRC2C51 incorporates a remote control thermostat 2 The remote controller setting 10 20 is displayed as 2 01 Use For group control however itis automatically changed to Not use of remote control thermostat Hemark For the SkyAir Series factory setting is made to Only using suction air thermistor Function 116 Outline of Control Indoor Unit SIiBE31 801 C 9 2 2 Room Temperature Thermistor in Remote Controller Cooling Set temperature Ts 117 32 30 28 26 24 22 20 Temperature is controlled by both the room temperature thermistor in remote controller and suction air thermistor in the indoor unit This is however limited to when the field setting for the room temperature thermistor in remote controller is set to Use If there is a significant difference in the set temperature and the suction air temperature fine adjustment control is carried out using a suction air thermistor in indoor unit or using the room temperature thermistor in the remote controller near the position of the user when the suction air thermistor in indoor unit is near the set temperature 5 6 525 525 252 25255 14 16 18 20 22 24 26 28 30 32 34 Suction air temperature TH1 Range in which room temperature Range in which suction th
379. n FXAQ Option By float switch OFF detection When rise of water level is not a condition and the float switch goes OFF 220 240V power supply is not provided Defect of float switch or short circuit connector Defect of drain pump Drain clogging upward slope etc Defect of indoor unit PCB Loose connection of connector 222 Troubleshooting by Indication on the Remote Controller 51 1 801 C Troubleshooting 223 Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Is power supply NO 220 240V provided ES Provide 220 240V power supply A short circuit connector is connected to or he float switch 5 connected to X8A or X15A of the indoor unit PCB NO TT Connect either a short circuit connector or float switch and turn on again he float switch contact is forming a B mes normal ecomes norma NO short circuit when X8A or X15A continuity check of the indoor unit OOP PEB with X8A or X15A PCB is short disconnected circuited YES Loose connection of NO connector NO The float switch NO Water builds up functions normally in the drain pan Replace the float switch YES YES Modify the float switch s connection and turn on again The drain pump is connected to X25A or terminals Y1 and Y2 of the indoor unit P
380. n Detection Malfunction Decision Conditions Supposed Causes Troubleshooting 265 RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit Malfunction is detected from the temperature detected by the suction pipe temperature thermistor When a short circuit or an open circuit in the suction pipe temperature thermistor is detected m Defect of thermistor R8T for outdoor unit suction pipe m Defect of outdoor unit PCB A2P Defect of thermistor connection Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Connector is connected to X114 of outdoor unit PCB A 2P Connect the connector and turn on again Resistance is normal when measured after disconnecting the thermistor R8T from the outdoor unit PCB Replace the thermistor R8T Replace the outdoor unit PCB A1P Refer to Thermistor Resistance Temperature Characteristics table on P 408 Troubleshooting SiBE31 801 C 4 29 Troubleshooting by Indication on the Remote Controller Outdoor Unit Malfunction of Thermistor RAT for Outdoor Unit Heat Exchanger Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit Malfunction is detected from the temper
381. n 2 PTE expansion valve Main 3508 20SA ON SH Control 20SA ON SH Control Electronic expansion valve Subcooling YE op 0002 ops 000 ops ops ops ops Electronic expansion valve Refrigerant 80 pls 80 pls 80 pls charge enar valve Refrigerant gas SVG purging pipe Four way valve Heat exchanger switch 205 Solenoid valve Refrigerant regulator OFF OFF liquid pipe Solenoid valve Hot gas e Y5S OFF Solenoid valve Main Solenoid valve Refrigerant discharge pipe Solenoid valve Refrigerant e discharge pipe Four way valve High low pressure gas pipe switch A lapse of 60 e A lapse of 90 sec Ending conditions e Pc gt 0 39 MPa A lapse of 15 sec Sec Function 88 Startup Control 51 1 801 C 5 3 Startup Control of Function Unit only for heating operation at low outdoor air temperature Pressure Startup control Electric equalization Part name symbol control before Step 1 Step 2 Step 3 Step 4 startup Electronic expansion Electronic expansion valve two stage Y2E1 200 pls 200 pls 760 pls switching 1 Electronic expansion valve two stage 2 2 760 pls switching 2 Solenoid valve hot gas FF sage decompression tase j may Ending conditions 2 of 22 of n of ON OFF ON ON N 89 Function SiBE31 801 C Normal Operation 6 Normal Operation 6 1 List of Functions in Normal Operation 6 1 1 O
382. n all connected indoor units Select an indoor unit to be used as the master unit in accordance with the request from the customer It is recommended to select an indoor unit which will be used most often as the master unit e Press the operation selector mode button in the remote controller of the indoor unit selected as the master unit A peep sound is emitted and the timer lamp turns off in all indoor units e That indoor unit will control changeover of the cooling heating operation mode 178 Field Setting 2 Set Cool Heat Separately for Each Outdoor Unit System by Cool Heat Selector It does not matter whether or not there is outdoor outdoor unit wiring Set outdoor unit PCB DS1 1 to OUT factory setting SiBE31 801 Set cool heat switching to IND individual for Setting mode 1 factory setting MASTER 0 Cool Heat selector Remote controller 179 Test Operation SiBE31 801 C Field Setting 3 Set Cool Heat for More Than One Outdoor Unit System Simultaneously in Accordance with Unified Master Outdoor Unit by Indoor Unit Remote Controller Install the external control adaptor for outdoor unit on either the outdoor outdoor indoor outdoor transmission line Set outdoor unit PCB DS1 1 to IN factory setting n setting mode 1 set the outdoor unit you want to give cool heat selection permission to as the
383. n installed directions Operation of downward flow flap Yes No Equipped Not equipped r 15 4 Field set airflow position setting Draft prevention Standard Ceiling 16 Soiling prevention Setting of static pressure selection Standard High static 17 pressure 01 30 02 50 03 60 04 70 05 80 06 90 07 10008 110 18 External Static Pressure Settings 01130 02 50 03 60 04 70 05 80 06 90 07 100 18 09 120 10 130 11 140 12 150 13 160 14 180 15 200 xem 15 25 1 Thermostat OFF excess humidity Not equipped Equipped b 19 Direct duct connection Not equipped Equipped 20 when the indoor unit and heat reclaim ventilation unit are connected by duct directly Note 6 3 Drain pump humidifier interlock selection Not equipped Equipped o 21 5 Field set selection for individual Not equipped Equipped 22 ventilation setting by remote controller N Test Operation 15 Field Setting SiBE31 801 d Notes 1 Settings are made simultaneously for the entire group however if you select the mode No inside parentheses you can also set by each individual unit Setting changes however cannot be checked except in the individual mode for those in parentheses 2 The mode numbers inside parentheses cannot be used by wireless remote controllers so they cannot be set individually Setting changes also cannot be checked Marked are factory setting 4 Do not make settings oth
384. na L3 BN N 4 He ETNEN MS Hi Mia GEM CU ER IPSI CIE WR ON jo M Mj ALOT AONT IN EI ERIS 54 ilis H 4 QE i LL CL Bb KI IS PX A Lind N NA Meg HIRE M BOERS ASA M kg h Pressure Enthalpy curves of 32 125 50 50wt Precautions for New Refrigerant R 410A 414 Precautions for New Refrigerant R 410A SiBE31 801 C B Thermodynamic characteristic of R 410A DAIREP ver2 0 Temperature Steam pressure Density Specific heat at constant Specific enthalpy Specific entropy C Pa Kg m3 pressure kJ kgK KJ kg KJ kgK Liquid Vapor Liquid Vapor Liquid Vapor Liquid Vapor Liquid Vapor 70 415 Precautions for New Refrigerant R 410A SiBE31 801 C Precautions for New Refrigerant R 410A 1 2 Refrigerant Cylinders Cylinder specifications e The cylinder is painted refrigerant color pink e The cylinder valve is equipped with a siphon tube Cylinder Q 2 c o 2 42 Refrigerant be charged in liquid state with cylinder in upright position Caution Do not lay cylinder on its side during charging since it cause refrigerant in gas state to enter the system m Handling
385. nction of temperature sensor for heat 264 exchanger gas J5 Malfunction of thermistor for suction pipe loose 265 connection disconnection short circuit failure J6 Malfunction of thermistor for heat exchanger loose 266 connection disconnection short circuit failure J3 Matlfunction of receiver outlet liquid pipe thermistor oO Malfunction of liquid pipe thermistor 2 J9 Malfunction of subcooling heat exchanger gas pipe 269 thermistor s 3 3 pressure senso i a o Mafuncion flow pressure sensor o Mafacionofinerer PCB 14 J JMalfunction of inverter radiation fin temperature rise L5 DC output overcurrent of inverter compressor 71797179 current abnor N N 6 N O e ud EN EN O NONE AK as 2ER N N Po O mM The system operates for malfunction codes indicated in black squares however be sure to check and repair 213 Troubleshooting SiBE31 801 C Troubleshooting by Remote Controller OFF Malfunction Operation Inspection Unit No Malfunction contents Page code lamp display Outdoor Unit LC Malfunction of transmission between inverter and control PCB Inverter over ripple protection In auto
386. ng minimum 15A Select wire size based on the MCA Instead of a fuse use a circuit breaker Specifications 42 Specifications SIiBE31 801 C Wall Mounted Unit 1 1 TECHNICAL SPECIFICATIONS FXAQ20PV1 FXAQ25PV1 FXAQ32PV1 FXAQ40PV1 FXAQ50PV1 FXAQ63PV1 Capacity 25 3 4 s j 6 89 Power Input 0 016 0 022 0 027 0 020 0 027 0 050 0 024 0 027 0 032 0 020 0 032 0 060 Casing white 808505 0 161 0 161 0 161 0 213 0 213 0 213 Nr of Stages Cog Hon mmn 75 8 8 m low 45 5 5 gt M Model QCL9661M QCL9661M QCL9661M QCL9686M QCL9686M QCL9686M W 40 40 40 43 43 43 high Cooling Sourd Piping oa Flare connection ic Gas VP13 LD 1300 18 Foamed polystyrene foamed polyethylene Air Filter Washable resin net Refrigerant control Electronic expansion valve Temperature control Microprocessor thermostat for cooling and heating Safety devices PCB fuse Standard Accessories Installation and operation manual Notes Nominal cooling capacities are based on indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 5m horizontal Nominal heating capacities are based on indoor temperature 20 CDB outdoor temperature 7 CDB 6 CWB equivalent refrigerant piping 5m horizontal Capacities are net including a deduction for cooling an addition for heating for indoor fan motor heat 43 Spec
387. ng operation at low outdoor unit 10 High pressure 11 High pressure switch 61 Y2E2 Electronic expansion valve Two temperatures while in two stage compression mode stage selection 2 Solenoid valve Hot gas 2 prevent transitional suction pressure drops by hot gas Y2S Solenoid valve Two stage Open to conduct heating operation at low outdoor temperatures while pressure reduction in two stage compression mode Solenoid valve Bypass 1 Open to conduct cooling operation or normal heating operation while Solenoid valve Bypass 2 in single stage compression mode Y5S Solenoid valve Liquid line Open to conduct normal heating operation while in single stage selection compression mode S1NPH High pressure sensor Used to detect high pressure Activated when pressure rises to stop operation in order to prevent SIPH High pressure switch high pressure from rising in case of a malfunction Used to return refrigeration oil separated through the oil separator to o Capillary tube the INV compressor Capillary tube Used to prevent liquid sealing when operation stops Discharge pipe thermistor Used to detect discharge pipe temperature Used to detect the equivalent saturation temperature of intermediate Liquid temperature thermistor pressure while in two stage compression mode 6 7 Solenoid valve i o em inda qm Filter J x 8 Solenoid valve Gas pipe
388. ng wires of the outdoor multi and then reset the power supply Replace the outdoor unit main PCB A1P of the Multi Slave 1 Diagnosis Flow 4 Confirmation of Confirmation of malfunction 3 malfunction 4 heck the connection status 0 connecting wires of Multi Slave 2 with outdoor multi Check if the wiring is disconnected or is about to be disconnected Correct the connecting wires of the outdoor multi and then reset the power supply Replace the outdoor unit main PCB A1P of the Multi Slave 2 Diagnosis Flow 5 Confirmation of Confirmation of malfunction 3 malfunction 4 Check if the outdoor unit RTSQ8 16PY1 is connected to multi Remove the connecting wires of the outdoor multi and then reset the power supply Replace the main PCB A1P of the outdoor unit 307 Troubleshooting SIiBE31 801 C Troubleshooting by Indication on the Remote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 6 Confirmation of Confirmation of malfunction 3 malfunction 4 manual address settings of the NO slave units 1 and 2 correct in order to connect the AIRNET YES heck the connection status of one of YES the connecting wires of Outdoor Multi Check if the wiring is broken
389. nnect or disconnect connector Caution or parts damage may be occurred Turn on all indoor units NO All the units are indicating 25 Continue operation YES wo has been displayed for 2 minutes or more 1s Re diagnose by display after passage of 2 minutes or more YES The outdoor unit PCB indicated by the malfunction code 13 is normal Check for the indoor unit of other system and then conduct troubleshooting by diagnosis according to the Malfunction Code Flowchart Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 53 Improper Combination of Indoor and Outdoor Units Indoor Units and Remote Controller Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting gt ng N models of indoor unit RTSQ8P 16P Outdoor Unit and function unit When the model data is different between the indoor units outdoor units and function units When the number of indoor unit is out of the permissible range The malfunction decision is made as soon as either of the abnormalities aforementioned is detected Excess of connected indoor units Defect of outdoor unit PCB A1P Mismatching of the refrigerant type of indoor and outdoor unit Setting of outdoor PCB was not conducted after replacing to spare parts PCB 312
390. nnect to the attached pipe to the field pipe Braze the connection between the attached and field pipe Specifications 52 53 SiBE31 801 Part 3 Refrigerant Circuit be sRelrigerafit u uuu edis 54 Jol SOG tc 54 T2 TSQOToPYT S Teo 56 TS BFISG14P YT WOR Y ioa ica aides n up Pateat 58 14 UA CUO ea NUS ec nitude ter Spice E 60 129 Function CINE Ro 61 62 2 u uu yau 64 ES 64 65 ee 66 24 0 NE 67 Refrigerant Flow for Each Operation 68 Refrigerant Circuit SiBE31 801 C Refrigerant Circuit 1 Refrigerant Circuit 11 RTSQ8PY1 No in refrigerant I system Symbol Name Major Function diagram Inverter compressor is operated on frequencies between 52Hz and 280Hz by using Inverter compressor the inverter Compressor operation steps Refer to P 92 93 fan Because the system is an air heat exchange type the fan is operated at 9 step rotation speed by using the inverter 3 Electronic expansion valve While the outdoor heat exchanger is evaporator control is applie
391. nsor YES If the PCB pressure detection normal Make a comparison between the checker pressure data and the Replace the main PCB YES Heset the operation and then restart the outdoor unit Are the characteristics of the high pressure sensor normal NO Replace the high pressure sensor YES Replace the main 1 Pressure sensor subject to malfunction code Malfunction code Pressure sensor subject to malfunction code Electric symbol High pressure sensor S1NPH 2 Voltage measurement point Outdoor unit PCB A1P H5V 2 Red GND 3 Black 2 Micro computer 1 White A D input 2 Measure DC voltage here 2 Refer to Pressure Sensor Pressure Voltage Characteristics table on P 410 271 Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 34 it Outdoor Unit Malfunction of Low Pressure Sensor Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting n LI RTSQ8P 16P Outdoor Unit Malfunction is detected from the pressure detected by the low pressure sensor When the low pressure sensor is short circuit or open circuit Not less than 1 77MPa or 0 01MPa and below Defect of low pressure sensor system Connection of high pressure
392. nsor is normal and the pressure detected with the PCB is also normal The low pressure has really become low Referring to information on P 343 remove the causes by which the low pressure has become low 1 Make a comparison between the voltage of the pressure sensor and that read by the pressure gauge As to the voltage of the pressure sensor make measurement of voltage at the connector and then convert it to pressure according to information on P 410 2 Make measurement of voltage of the pressure sensor 5V o Connector for low pressure sensor Red Black Micro controller A D input White Make measurement of DC voltage between these wires 247 Troubleshooting SiBE31 801 C 4 17 5 Outdoor Unit Inverter Compressor Motor Lock Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting by Indication on the Remote Controller I L al RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit Inverter PCB takes the position signal from UVW line connected between the inverter and compressor and the malfunction is detected when any abnormality is observed in the phase current waveform This malfunction will be output when the inverter compressor motor does not start up even in forced startup mode Inverter compressor lock High d
393. ntal Capacities are net including a deduction for cooling an addition for heating for indoor fan motor heat 17 Specifications SiBE31 801 C Specifications Power v Supply i 50 Voltage 0 220 240 VAT fuse amps MFA opener ra Maximum 10 Notes Voltage range units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed range limits Specifications 18 Specifications SIiBE31 801 C 2 Way Blow Ceiling Mounted Cassette 1 1 TECHNICAL SPECIFICATIONS FXCQ50M8V3B ey Casing Non painted Wan __ 76 79 70 95 95 Dh me 6 8b 6 m s 5 9 4 0 3 j j Required Required Ceiling Void Required Ceiling Void Heat Dimensions Length 475 2 475 2 475 2 690 2 475 2 Em i 1 3 meses Hole Symmetric some louvre im Hydrophilic Type Sirocco fan r i J 1 2 e 39 Heating Hon mimn 70 90 9 t 65 99 foamy 1 t EC SSS righ xs L Refrigerant Refrigerant Name R 410A Sound Level ne s Sound 50 0 power Eu m Sound LO 1 880 0 35000 0 506 0 35500 35500 35000 3500
394. ntion 124 81 SiBE31 801 9 5 Heater Control Optional PCB KRP1B is required 125 9 6 Listor Swing Flap Operations e o uu 126 9 7 Control of Electronic Expansion Valve 127 Function SIBE31 801 Function General 1 Function General 1 1 Operation Modes 2 Stopping Operation 2 1 When System is in Stop Mode 2 2 Stop due to Malfunction 3 Standby 3 1 Restart Standby 3 2 Crankcase Heater Control Thermostat ON Rotation Control 4 1 Rotation of Outdoor Units 4 2 Operating Priority and Rotation of Compressors 8 Special Control 5 Startup Control E 8 1 Pump down Residual 5 1 Startup Control in Cooling Operation 5 2 Startup Control in Heating Operation 5 3 Startup Control of Function Unit only for heating operation at low outdoor temperature Thermostat OFF Completion of Startup Control 6 Normal Operation 6 1 List of Functions in Normal Operation 6 2 Compressor Control 6 3 Electronic Expansion Valve PI Control 6 4 Outdoor Unit Fan Control 52 Oi Return Operation 6 5 Control for Cooling Operation at x See 2 Occurrence of malfunction Low Outdoor Air Temperature 6 6 Control for Heating Operation at Low Outdoor Air Temperature 6 7 Refrigerant Flow Rate Control Thermostat OFF 8 3 Defrost Oper
395. nue operation Momentary power failure is possible Replace the inverter compressor Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 38 2 Outdoor Unit Momentary Overcurrent of Inverter Compressor 12 Remote 0 Controller Display Applicable RTSQ8P 16P Outdoor Unit Models Method of Malfunction is detected by current flowing in the power transistor Malfunction Detection Malfunction When overload in the compressor is detected Inverter secondary current 16 14 Decision 1 19 0A and over continues for 5 seconds Conditions 2 16 1A and over continues for 260 seconds Supposed Compressor overload Causes Compressor coil disconnected Troubleshooting Defect of inverter PCB Faulty compressor 280 Troubleshooting by Indication on the Remote Controller Troubleshooting Output current check Caution or parts damage may be occurred Power OFF SiBE31 801 Be sure to turn off power switch before connect or disconnect connector Check if the stop valve is open YES NO Check if the compressor lead wires are normal YES NO Check if the wiring and connection to the compressor are normal YES NO Insulation resistance of the compressor is 100kQ or below YES NO Compressor coils YES are disconnected NO CHECK 4 Check if the power transistor is normal YES Connect the compressor l
396. nx35 3 x2 Indoor temp 20 CDB Outdoor temp 7 6 CWB Equivalent piping length 7 5m level difference 0m Function unit 6m 3 Indoortemp 20 CDB Outdoor temp 10 CWB Equivalent piping length 7 5m level difference 0m Function unit 6m 4 Displacement value are at nominal capacity 5 Motor output are nominal Specifications 10 Specifications SiBE31 801 C Model Name RTSYQ16PY1 SENEC FunctionUnit Hermetically Sealed Scroll Type 13 72 10 53 10 53 16 9 nS 6900 2900 2900 7980 PEUT Soft Stan Propeller Fan E 0 752 239 Drive Direct Drive Connecting 012 7 C1220T Brazing Connection Pipes 028 6 C1220T Brazing Connection 344 110 63 High Pressure Switch Fan Driver Overload Protector Overcurrent Relay Inverter Overload Protector 7 100 RATOA Refrigerant 11 7 Electronic Expansion Valve Refrigerator Oil Refer to the nameplate of compressor Standard Accessories Installation Manual Operation Manual Connection Pipes Clamps C 40060779 Notes 1 Indoor temp 27 19 CWB Outdoor temp 35 CDB Equivalent piping length 7 5m level difference kcal h kWx860 Function at ET Btu h KWx3412 cfm m minx35 3 x2 Indoor temp 20 CDB Outdoor temp 7 6 CWB Equivalent piping length 7 5m level difference 0m Function unit 6m 3 Indoortemp 20 CDB Outdoor temp 10
397. o YOOUD 7 91 55914 X 1 M t A adA 1 P 1 xoeuo 10 108 95 85 Dune n6oJ eunsselg uoisuedxe aunssaid 5 E urens 1 auod c 2 piouejos e N i Hien Builoooqns volsuedxe 301993 69 d80S 1H lt lt eunsseJd Josuas eJnsseJg eqni ats mm y am ANI Xe 1ossaduog Mede DE gt 1 1 19 uod 1 1 d BAIBA plousjog lt lt amp uojsuedxe E do I NBA 0lu0109ld pand 0100905 qn 19114 EZS uouws 18415 Yyoums oinsseidybiy 3 einsseid ui 3 uod s s INPA 4944 8 5 INA x lt 4914 19113 ed eynjosqe Jo X WP ve yy Onn AEN noa YOOUD 21 10949 ed 3 cl ewe B E enssejd 9Iu04199 3 1 1l d 9 YIU Shen 210029 jeou dcLOS LH
398. o the crankcase heater and to protect the compressor Make the field setting as described in the paragraph 3 2 Field Setting from Outdoor Unit on page 166 Press the BS1 MODE button once and set to the SETTING MODE H1P LED OFF In case the leak detection function is required press and hold the BS4 TEST button down for 5 seconds or more The unit will start the test operation In case the leak detection function is not required go into setting mode 2 by pressing the BS1 MODE button for 5 seconds The H1P LED is on Perform following steps 1 Press the BS2 SET button 3 times H1P H2P H3P H4P H5P H6P H7P O88 e eo o0 O 2 Press the BS3 RETURN button once to confirm H1P H2P H3P H4P H5P H6P H7P O88 e 90 3 Press the BS2 SET button in order to change the LED display to the following display H1P H2P H3P H4P H5P H6P H7P O o o 4 Press the BS3 RETURN button once to confirm 5 Press the BS3 RETURN button a second time to start the test operation The unit will start the test operation 144 Test Operation SIiBE31 801 C B The test operation is automatically carried out in cooling mode the LED will light up and the messages Test operation and Under centralized control will display on the remote controller B may take 10 minutes to bring the state of the refrigerant uniform before the compressor starts B During the test operation the refrigerant running sound or the magnetic so
399. o the measurement of the pressure sensor Faulty indoor Faulty valve coil Are the coil resistance and insulation unit electronic normal expansion valve Faulty valve body Faulty high pressure sensor Are the electrical characteristics normal In heating Fault Faulty ind Is the connector properly connected If the indoor unit electronic aulty Indoor unit A quid pi 2 expansion valve is excessively control iquid pipe thermistor Are the thermistor resistance characteristics normal throttled lt Is the pressure value checked with the See 2 Faulty control PCB Service Checker corresponding to the measurement of the pressure sensor In cooling Short circuit lt the suction air temperature not more High suction air temperature of indoor unit than 43 High outdoor air temperature lt Is the outdoor temperature not more than 43 C Short circuit lt 15 the suction air temperature not more than 27 C High suction air temperature of indoor unit condenser Lu High indoor air temperature lt ls the indoor temperature not more than 27 C lt the connector properly connected Faulty suction air thermistor of indoor unit In heating High suction air temperature of outdoor unit Faulty outdoor temperature thermistor of outdoor unit Are the thermistor resistance characteristics normal lt 15 the outdoor temperature not more than 16 CWB lt 15 the conn
400. of cylinders 1 Laws and regulations R 410A is liquefied gas and the High Pressure Gas Safety Law must be observed in handling them Before using refer to the High Pressure Gas Safety Law The Law stipulates standards and regulations that must be followed to prevent accidents with high pressure gases Be sure to follow the regulations 2 Handing of vessels Since R 410A is high pressure gas it is contained in high pressure vessels Although those vessels are durable and strong careless handling can cause damage that can lead to unexpected accidents Do not drop vessels let them fall apply impact or roll them on the ground 3 Storage Although R 410A is not flammable it must be stored in a well ventilated cool and dark place in the same way as any other high pressure gases It should also be noted that high pressure vessels are equipped with safety devices that releases gas when the outdoor air temperature reaches more than a certain level fusible plug melts and when the pressure exceeds a certain level spring type safety valve operates Precautions for New Refrigerant R 410A 416 Precautions for New Refrigerant R 410A SiBE31 801 C 1 3 Service Tools 417 R 410A is used under higher working pressure compared to previous refrigerants R 22 R 407C Furthermore the refrigerating machine oil has been changed from Suniso oil to Ether oil and if oil mixing is occurred sludge results in the refrigerants and cau
401. off power switch before connect or disconnect connector Caution or parts damage may be occurred Is the connector for liquid pipe thermistor connected to correct outdoor unit PCB Connect the connector and operate unit again Is the resistance measured after removing the thermistor R6T or ROT from outdoor unit PCB ormal 1 8kQ to 800kQ Replace the thermistor R6T or 9T Replace the outdoor unit PCB A1P Refer to Thermistor Resistance Temperature Characteristics table on P 408 Troubleshooting SiBE31 801 C 4 31 49 Troubleshooting by Indication on the Remote Controller Outdoor Unit Malfunction of Liquid Pipe Thermistor 2 R7T Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit Malfunction is detected according to the temperature detected by liquid pipe thermistor When the liquid pipe thermistor is short circuited or open circuited Faulty liquid pipe thermistor 2 R7T m Faulty outdoor unit PCB B Defect of thermistor connection Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Is the connector for liquid pipe thermistor connected to X30A on outdoor unit PCB A1P Connect the connec
402. oller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting n a FXCQ FXZQ FXFQ FXSQ FXKQ FXMQ FXDQ FXMQ MF FXUQ Water leakage is detected based on float switch ON OFF operation while the compressor is in non operation When the float switch changes from ON to OFF while the compressor is in non operation Error code is displayed but the system operates continuously B Humidifier unit optional accessory leaking B Defect of drain pipe upward slope etc m Defect of indoor unit PCB Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred ield drain piping has a defect such as upward sloping Modify the drain piping A humidifier unit optional accessory is installed on the indoor unit YES Check if the humidifier unit is leaking Defect of indoor unit PCB 236 Troubleshooting by Indication on the Remote Controller 4 8 Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting 237 SiBE31 801 C Indoor Unit Malfunction of Capacity Determination Device All indoor unit models Capacity is determined according to resistance of the capacity setting adaptor
403. oller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes a b gt RTSQ8P 16P Outdoor Unit Abnormality is detected by the pressure value with the low pressure sensor Error is generated when the low pressure is dropped under compressor operation Operating pressure 0 07MPa Abnormal drop of low pressure Lower than 0 07MPa Defect of low pressure sensor Defect of outdoor unit PCB Stop valve is not opened Clogged filter Troubleshooting 246 Troubleshooting by Indication on the Remote Controller 51 1 801 C Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Is the stop NO Open the stop valve valve open YES 1 Mount a pressure gauge on the low pressure service port 2 Reset the operation using the remote controller and then restart the operation characteristics of the low pressure sensor normal See 1 N E Replace the low pressure sensor YES Service Checker Connect the service checker to compare the low pressure value and the actual measurement value by pressure sensor Refer to 1 by using the service checker Check if the low pressure value and the actual measurement value by pressure sensor are the same NO Replace the main PCB A1P YES The low pressure se
404. oller be sure to disposed of the old battery to prevent children from swallowing it If a child swallows the coin battery see a doctor immediately Installation of a leakage breaker is necessary in some cases depending on the conditions of the installation site to prevent electrical shocks Do not install the equipment in a place where there is a possibility of combustible gas leaks If a combustible gas leaks and remains around the unit it can cause a fire Be sure to install the packing and seal on the installation frame properly Introduction For integral units If the packing and seal are not installed properly water can enter the room and only wet the furniture and floor 1 1 3 Inspection after Repair Check to make sure that the power cable plug is not dirty or loose then insert the plug into a power outlet all the way If the plug has dust or loose connection it can cause an electrical shock or fire If the power cable and lead wires have scratches or deteriorated be sure to replace them Damaged cable and wires can cause an electrical shock excessive heat generation or fire Do not use a joined power cable or extension cable or share the same power outlet with other electrical appliances since it can cause an electrical shock excessive heat generation or fire Introduction SIBE31 801 Check to see if the parts and wires are mounted and connected properly and if the connections at the soldere
405. on 9 5mm Flare Connection Unit Suction Gas Pipes 15 9mm Flare Connection 15 9mm Flare Connection eum 9mm Flare Connection Machine Weight Mass Ww 39 To 39 Installation manual Gas piping Installation manual Gas piping Installation manual piping Standard Accessories connections Insulation for fitting connections Insulation for fitting connections Insulation for fitting Sealing material Clamps Sealing material Clamps Sealing material Clamps Drawing No 4D045387A 4D045387A 4D045388A Specifications 50 Specifications SiBE31 801 C Outdoor Air Processing Unit manier anawra 1 Coding Capacty 1 Heating Pwo 88 o o e CERES 3x26x2 0 3x26x2 0 3x26x2 0 Fin Coil D13 4G2DA1 D13 4G2DA1 D13 4G2DA1 Aera QU 380x1 380x1 380x1 Airflow Rate H L 1236 External Static 0 9 __ __ Microprocessor Thermostat for Microprocessor Thermostat for Microprocessor Thermostat for Temperature Control Cooling and Heating Cooling and Heating Cooling and Heating Sound Absorbing Thermal Insulation Material Glass Fiber Glass Fiber Glass Fiber Fiter x2 x x ____ 9 5mm 9 5mm 9 5mm Liquid Pipes Flare Connection Flare Connection Flare Connection Piping 15 9mm 19 1mm 22 2mm Connections Flare Connection Brazing Connection Brazing Connection 123 ion PS1B female th
406. on lamp 211 Troubleshooting SiBE31 801 C Troubleshooting by Remote Controller 1 Checking a malfunction or warning x Operation Status Display The operation lamp green Abnormal Starts to blink The message Shutdown The system stops operating Malfunction Press Menu 28 button willappearandblink Sai at the bottom of the screen Set temperature Error Press Menu Button The operation lamp green _______________ The system continues its caine P Cool Set temerature operaio button will 2 m 28 c at the bottom of the screen Warning Warning Press Menu Button 2 Taking corrective action Press the Menu Enter button to check the malfunction code Error code Al Malfunction Contact address 0123 450 789 code L Indoor Unit Outdoor Unit RWEYOTOPY1 Applicable ifi Eetun jJ modelnam Take the corrective action specific to the model em odel names Troubleshooting 212 Troubleshooting by Remote Controller 51 1 801 C 3 8 List of Malfunction Code OFF Blink Malfunction Operation Inspection Unit No Malfunction contents Page code lamp display Error of external protection device PCB defect Malfunction of drain level control system Fan motor M1F lock overload Indoor Unit JJ N N N pol po amp QOINNN I NIN NI S oE N 4 5 3 O
407. on monitor LED for the outdoor unit PCB blinks NO Check if power is supplied to the outdoor units NO Supply power to the outdoor unit YES YES Heplace the outdoor unit main PCB Check if the power supply wire for the external control adaptor is connected to 5V supply line YES YES Check if the normal condition monitor LED for the external control adaptor blinks NO NO Connect the power supply wire for the external control adaptor to 5V supply line Replace the PCB of the external control adaptor Heplace the outdoor unit main PCB 305 Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller Troubleshooting Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 2 Confirmation of Confirmation of malfunction 3 malfunction 4 ooceeeeeoceeoo0 NO Switch cooling ten Set the cooling heating switch of heating in a lump the external control adaptor for outdoor unit to individual YES etting of cooling heating Switch for the external control adaptor for outdoor unit is Master in a lump YES The integrated addresses for cooling heating within the outdoor outdoor transmission are duplicated Set the address again N Setting of cooling heating switch for the external control adaptor for outdoor
408. on of electronic expansion valve by using micro computer Check dust clogging condition of electronic expansion valve main body by using micro computer Pin input for electronic expansion valve coil is abnormal when initializing micro computer Either of the following conditions is seen caused occurs while the unit stops operation e Temperature of suction air R1T temperature of liquid pipe of heat exchanger R2T gt 8 C e Temperature of liquid pipe of heat exchanger R2T shows fixed degrees or below Defective drive of electronic expansion valve B Defective PCB of indoor unit Defective relay cables 232 Troubleshooting by Indication on the Remote Controller 51 1 801 C Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred NO Replace the electronic expansion valve main body When power is supplied YES Electronic expansion valve is connected to X7A of indoor unit PCB Shut the power supply off after connection and then restart YES Check 1 of electronic NO expansion valve Replace the electronic expansion coil indicates valve coil normal YES Helay cables short circuit or disconnected YES Replace the relay cables NO When restarting the operation after shutting the power supply off does not work replace the indoor unit PCB 1 How to check the electronic
409. on of simplified remote controler 338 mM The system operates for malfunction codes indicated in black squares however be sure to check and repair 215 Troubleshooting SiBE31 801 C Troubleshooting by Remote Controller Malfunction code indication by outdoor unit Malfunctions Malfunction 5 EMEN Monitor mode Description of malfunction Description of malfunction PGF colo To enter the monitor mode push the PCB malfunction PCB malfunction 0000000 malfunction MODE BS1 button when in Setting mode OC activation STD1 compressor lock detected E6 Refer to Page 176 for Monitor mode STD2 compressor lock detected Overload overcurrent and abnormal E7 eer lock of outdoor unit fan motor 1DC fan motor lock detected lt Selection of setting item gt 1DC fan motor lock detected Fan 1 IPM faulty protection detected f PE TIP Du sq the LED display to a setting item SDC Tan detected Fan 2 IPM faulty protection detected Electronic expansion valve EVM main Refer to Page 176 for Monitor mode malfunction EVJ refrigerant charging EVT subcooling heat exchanger Abnormal discharge pipe temperature Td malfunction Confirmation of malfunction 1 Abnormal heat exchanger temperature Refrigerant overcharged ux Push thelRETURN BS3 button once Positioning signal malfunction of 1DC fan motor positioning signal to display First digit of malfunction outdoor unit fan motor m
410. ond Ceiling height 1 4 Setting 4 way Outlets 3 way Outlets 2 way Outlets EE ee Standard N Lower than 2 7 m Lower than 3 0 m Lower than 3 5 m 13 23 High Ceiling Lower than 3 0 m Lower than 3 5 m Lower than 3 8 m Higher Ceiling S Lower than 3 5 m Lower than 3 8 m x 14 Airflow Direction Setting Set the airflow direction of indoor units as given in the table below Set when optional air outlet blocking pad has been installed The second code No is factory setting to 01 Setting Table F 4 direction airflow 13 23 T 8 direction airflow W 2 direction airflow 15 Operation of Downward Flow Flap Yes No Only the model FXKQ has the function When only the front flow is used sets yes no of the swing flap operation of down flow Setting Table First Code No Second Code No O Down flow operation Yes 13 23 02 Down flow operation No Test Operation 158 Field Setting SiBE31 801 16 Setting of Airflow Direction Adjustment Range Make the following airflow direction setting according to the respective purpose 7 Setting Table First Code No Second Code No Upward Draft prevention 13 23 4 Downward Ceiling soiling prevention Some indoor unit models are not equipped with draft prevention upward function 17 Setting of the Static Pressure Selection for FXDQ model Model No First Code No Second Code No External static pressu
411. onic Filter expansion valve gt J Th1 Thermistor for suction air temp Th2 Thermistor for liquid line temp Th3 Thermistor for gas line temp 4D040157 B Refrigerant pipe connection port diameters mm Model Gas Liquid FXZQ20M 25M 32M 40M 50M 012 7 Appendix 360 Piping Diagrams 51 1 801 C FXCQ FXDQ25 25 M FXSQ HEAT EXCHANGER LIQUID PIPE CONNECTION PORT x FILTER ELECTRONIC EXPANSION FILTER VALVE GAS PIPE CONNECTION PORT REFRIGERANT FLOW COOLING HEATING Refrigerant pipe connection port diameters FXCQ20 25 32 40 50 012 70 6 35 FXCQ63 80 125 615 90 9 52 FXDQ20 25 012 70 6 35 C 3TW25515 1 C 3TW21175 1C C 3TW31185 1 361 Appendix SiBE31 801 C Piping Diagrams FXKQ MA FXHQ MA FXLQ MA FXNQ MA FXMQ MA x Heat exchanger ______ 4 x Gas piping connection port Flare connection 015 9 less Attached piping Above 619 1 M immi Filler Electronic x expansion valve Liquid piping connection port Flare connection Used for gas superheated degree control while in 1 Electronic expansion valve Y1E cooling operation or subcooled degree control while in heating operation Suction air temperature 2 R1T Used for thermostat control Used for gas superheated degree control while in 3 Liquid pipe thermistor R2T cooling operat
412. oor Unit E between the outdoor outdoor unit terminal parts of the Outdoor Unit D between the outdoor outdoor unit terminal parts of the Outdoor Unit in the order described thus identifying the place with continuity If the place with continuity can be identified there may be broken wires in places before the said place with continuity Procedure for checking indoor outdoor unit transmission wiring for broken wires for checking the indoor outdoor unit transmission wiring of the Outdoor Unit C for broken wires Turn OFF the power supply to all equipment short circuit between the indoor outdoor unit terminal parts F1 and F2 in the Outdoor Unit C and then conduct continuity checks between the transmission wirings F1 and F2 of the Indoor Unit a that is farthest from the Outdoor Unit C using a multiple meter If there is continuity between the said transmission wirings the indoor outdoor unit transmission wiring has no broken wires in it If there is no continuity the transmission wiring may have broken wires With the indoor outdoor unit terminal parts of the Outdoor Unit C short circuited identify the place with continuity in the transmission wiring of the Indoor Unit b transmission wiring of the Indoor Unit c and transmission wiring of the Indoor Unit d in the order described If the place with continuity can be identified there may be broken wires in places before the said place with continuity 1 Short
413. oor unit including phase interruption Exchange two of the three phases L1 L2 L3 to make a positive phase connection Check if the power wiring for the outdoor units are connected correctly eo r r gt re gt gt a gt a Vi Incorrect interconnections Check if the refrigerant line piping and the unit wiring between units are consistent with each other Recalculate the required amount of refrigerant from the piping length and correct the refrigerant charge level by recovering any excessive refrigerant with a refrigerant recovery machine Refrigerant overcharge cx 9v eo v Que Insufficient refrigerant Check if the additional refrigerant charge has been finished correctly Recalculate the required amount of refrigerant from the piping length and add an adequate amount of refrigerant Vi j Ht The added amount of rr Availability of the leak detection function feature refrigerant was not inputted requires input of the additional refrigerant charge after automatic charging amount immediately after finishing the automatic charging Refer to 1 3 4 Procedure for Inputting the Additional Refrigerant Charge Weight into the PCB on page 141 In case the test operation was interrupted perform the In case the test operation was reo interrupted or the unit was operating out of the instructed tempera
414. optional accessory is mounted on the indoor unit setting for the indoor unit may be required to change Refer to information in the option handbook Basic screen Cool Set temperature 28 c Field setting Test operation ON OFF Register Service Contract Field setting list Group No setting Indoor unit Airnet No set Outdoor unit Airnet No set Re turn Setting T Press Menu Enter button Field setting screen In the case of individual In the case of group total setting per indoor unit setting Field setting list Unit Mode 0 20 0 2 1 01 2 02 3 4 pe 6 a b HRe turn Setting Setting 4 SECOND CODE NO FIRST CODE SW NO e Press Menu Enter button Test Operation 1 Press and hold Cancel button for 4 seconds or more Field setting menu is displayed 2 Select the field setting menu and press Menu Enter button Field setting list screen is displayed 3 Highlight the mode and select desired Mode No by using Y Up Down button 4 In the case of setting per indoor unit during group control When Mode No such as ES are selected highlight the unit No and select Indoor unit No to be set by using Up Down button In the case of group total setting this operation is not needed In the case of individual setting per indoor unit current settings are displa
415. or Standard Standard Accessories Operation manual BECESSONES Installation manual Drain hose Sealing pads Clamps Washer Insulation for fitting Clamp metal Washer fixing plate Screws for duct flanges Air filter Product Quality Certificate Notes Nominal cooling capacities are based indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 7 5m horizontal Nominal heating capacities are based on indoor temperature 20 CDB outdoor temperature CDB 6 CWB equivalent refrigerant piping 7 5m horizontal Capacities are net including a deduction for cooling an addition for heating for indoor fan motor heat External static pressure is changeable to set by the remote control this pressure means high static pressure standard static pressure The operation sound levels are conversion values in anechoic chamber In practice sound levels tend to be higher than the specified values due to ambient noise or reflection MET the suction place is changed to bottom suction sound level will increase Specifications 26 Specifications SIiBE31 801 C Slim Concealed Ceiling Unit with Drain Pump 5 Current Minimum circuit amps A MCA Maximum fuse amps A 15 MFA Full load amps FLA Notes Voltage range units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed range l
416. or Detection Malfunction When the discharge pipe temperature rises to an abnormally high level 135 and above Decision When the discharge pipe temperature rises suddenly 120 and above for 10 successive Conditions minutes Supposed m Faulty discharge pipe temperature sensor Causes B Faulty connection of discharge pipe temperature sensor Troubleshooting Faulty outdoor unit PCB A1P 256 257 Troubleshooting by Indication on the Remote Controller Troubleshooting SiBE31 801 C Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred While in monitor mode check the outdoor unit and the function unit concerned Connect the service checker Press reset and start operation again Check if discharge pipe thermistor property is normal 1 NO YES Service Checker Connect the service checker to compare the temperature of discharge pipe by using service checker with actual measurement value of discharge pipe thermistor Refer to 1 Check if temperature of discharge pipe by using service checker is the same with actual measurement value of discharge pipe thermistor NO YES Discharge pipe thermistor is normal and the temperature detection of the main PCB is also normal Actually the temperature of discharge pipe is high 401601 Remove the factor of overheat operation referring to P 340 Repl
417. or gt 112Hz OFF OFF A lapse of 2 min Function unit compressor 52Hz Outdoor unit compressor lt 104Hz OFF OFF OR Pc gt 3 3MPa When Indoor unit operating capacity x Function unit compressor operating capacity comes less than a certain value Single stage compression Function 96 Normal Operation 51 1 801 C 6 7 Refrigerant Flow Rate Control Recovery of Refrigerant When the indoor unit operates at low load the solenoid valves 15 and 45 will be energized to recover excess refrigerant to the refrigerant regulator amp Electronic expansion Filter ESI valve Solenoid valve Check valve CD Electronic expansion X Heat exchanger Gauge port Pressure regulating valve check valve type Equalizing pipe High pressure sensor 2 Check valve Pressure regulating EB Filter valve absolute 1 YAS pressure type T High pressure _ switch ESI Filter _ Check valve Solenoid valve me UN J Z Capillary tube Ey Fi ESI Filter Solenoid 15 u Low pressure Y7S Filter sensor Gauge port Capillary tube Suction gas pipe rl i
418. or connected YES Disconnect the schedule timer s individual combined connector and reset the power supply for all optional controllers for centralized control simultaneously Are there two or more optional controllers for centralized control YES Arrange so that the connector connected with the connector for setting master controller Reset the power supply for setting master controller is connected to one controller for centralized control and reset the power supply for all optional controllers for centralized control simultaneously for all optional controllers for centralized control simultaneously If the malfunction is still not cleared Disconnect the connector for setting master controller from the master controller connect to another optional controller for centralized control and simultaneously reset all optional controllers for centralized control again The controller connected by the connector for setting master controller when the malfunction is cleared is defective and must be replaced Troubleshooting 332 Troubleshooting OP Unified ON OFF Controller SiBE31 801 C 6 3 Display Under Centralized Control Blinks Repeats Double Blink Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting 333 under centralized control Repeats double blink Unif
419. or disconnected NO Diagnosis Flow 7 Confirmation of Confirmation of malfunction 3 malfunction 4 9000009009000 n the connection status of the outdoor multi check if more than 4 outdoor units are connected YES Diagnosis Flow 8 Confirmation of Confirmation of malfunction 3 malfunction 4 9000000000000 Check the connection status of the connecting wires of outdoor multi Check if the wiring has any connection error or broken or is about to be disconnected YES Troubleshooting Correct the manual address settings For detail refer to information in the AIRNET Installation Manual Correct the connecting wires of the outdoor multi and then reset the power supply Replace the main PCB of the outdoor unit A1P Correct the connecting wires of the outdoor multi and then reset the power supply Replace the main PCB of the outdoor unit A1P Correct the connecting wires of the outdoor multi and then reset the power supply Replace the main PCB of the outdoor unit A1P 308 Troubleshooting by Indication on the Remote Controller 51 1 801 C Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 9 Confirmation of Confirmation of malfunction 3 malfunction 4 Is a function unit connected Connect the function unit YES Replace the main
420. or may be normal depending on other conditions Troubleshooting SiBE31 801 C Troubleshooting Heat Reclaim Ventilation IE Check for overcharge of refrigerant In case of Systems the only way to judge as the overcharge of refrigerant is with operating conditions due to the relationship to pressure control and electronic expansion valve control As information for making a judgement refer to information provided below Diagnosis of overcharge of refrigerant 1 High pressure rises Consequently overload control is exercised to cause scant cooling capacity 2 he superheated degree of suction gas lowers or the wet operation is performed Consequently the compressor becomes lower in discharge pipe temperature despite of pressure loads 3 The subcooling degree of condensate rises Consequently in heating operation the temperature of outlet air passing through the subcooling section becomes lower Cooling High pressure drooping control HP gradually rises Frequency comes to the minimum level with increase frequency Supercooled degree becomes higher Liquid connection pipe temperature lowers High pressure LP is maintained at a constant level Low pressure LP rises due to reduced compressor output Frequency To maintain LP frequency increases under the capacity control The outdoor unit electronic expansion Heating valve is
421. ormal Used to select the cool heat setting Also indicates during abnormal low noise control and demand control 2 Setting mode 2 H1P on Used to modify the operating status and to set program addresses etc Usually used in servicing the system G Monitor mode H1P blinks Used to check the program made in Setting mode 2 m Mode changing procedure 1 Using the MODE button the modes can be changed as follows Push and hold the BS1 Normal Push the BS1 MODE button MODE button for 5 seconds one time Setting mode 2 Setting mode 1 Monitor mode Push the BS1 MODE button one time MODE 9 Blinking H1P m Mode changing procedure 2 Set Select mode with BS2 SET button in each selection step Press BS1 MODE button for more than 5 sec Setting mode 1 Press BS1 MODE button one time Initial condition Setting item selection Set Press BS3 RETURN button one time Check item selection Set Press BS3 RETURN button one time Contents display Setting condition selection Set Press BS3 RETURN button one time Press BS3 RETURN button one time Setting condition Contents display Press 53 RETURN button one time Press BS1 MODE button one time Press BS1 MODE button one time Test Operation 170 Field Setting SiBE31 801 a Setting mode 1 This mode is used to set and check the following items 1 Set items
422. otal capacity of indoor units is 50 to 100 it is possible to connect to the outdoor unit x6 It is not possible to connect to the 5 HP outdoor unit Not available for Heat Recovery type and VRV II S series This equipment cannot be incorporated into the refrigerant piping system or remote group control of the VRV system 51 Specifications SiBE31 801_C Specifications 1 3 BS Units Power Supply 1 Phase 50Hz 200 240V 1 Phase 50Hz 200 240V Total capacity index of connectable indoor 400 or less px units Capacity index of connectable indoor units No of Connectable Indoor Units Casing Galvanized steel plate Galvanized steel plate Dimensions HxWxD 209 1053 635 209 1577 635 Thermal Insulation Foamed polyurethane Flame resistant needle felt Foamed polyurethane Flame resistant needle felt Indoor Liquid Pipes 9 5mm C1220T brazing connection x1 9 5mm 1220 brazing connection Unit 15 9mm C1220T brazing connection 1 15 9mm C1220T brazing connection x2 ae 12 7mm C1220T brazing connection 28 6mm C1220T brazing connection 19 1mm C1220T brazing connection Wage i qp pr 22 72 Insulation pipe cover Clamps Insulation pipe cover Clamps Drawing No Note 1 When connecting with a 20 to 50 class indoor unit connect to the attached pipe to the field pipe Braze the connection between the attached and field pipe 2 When connecting with an indoor unit of 150 or more and 160 or less co
423. oubleshooting OP Centralized Remote Controller 1 801 C 5 Troubleshooting OP Centralized Remote Controller 51 PCB Defect Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting 323 1 l Centralized remote controller intelligent Touch Controller Schedule timer Detect an abnormality in the DIII NET polarity circuit When polarity and polarity are detected at the same time B Defect of centralized remote controller PCB m Defect of intelligent Touch Controller PCB B Defect of Schedule timer PCB Replace the centralized remote controller Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Turn ON the power supply of the centralized controller with du 11 displayed once again M With I i displayed Is the displayed again Replace the centralized controller With t du ithout displayed Centralized controller Normal It is supposed that the malfunction results from external factors e g noises from other equipment Troubleshooting SiBE31 801 5 2 8 Troubleshooting OP Centralized Remote Controller Malfunction of Transmission between Optional Controllers for Centralized Control Remote Controller Display Applicable
424. outdoor unit wiring Set outdoor unit PCB DS1 1 to IN factory setting Set cool heat switching to IND individual for Setting mode 1 factory setting Setthe master unit indoor unit having the right to select the cooling heating operation mode P DEMAND Remote controller lt Set the master unit indoor unit having the right to select the cooling heating operation mode gt In the case of wired remote controllers e After the check operation CHANGEOVER UNDER CONTROL is flashing in all connected remote controllers e Select an indoor unit to be used as the master unit in accordance with the request from the customer It is recommended to select an indoor unit which will be used most often as the master unit e Press the operation mode selector button in the remote controller of the indoor unit selected as the master unit n that remote controller CHANGEOVER UNDER CONTROL disappears That remote controller will control changeover of the cooling heating operation mode e In other remote controllers CHANGEOVER UNDER CONTROL lights For the details refer to the installation manual supplied together with the indoor unit Test Operation Ex H7P OUT MULTI Q1 Q2 221129 2 Remote controller In the case of wireless remote controllers e After the check operation the timer lamp is flashing i
425. p due to u u u l u uuu uu 84 boucle I ETE 85 3 1 Restart 85 3 2 Crankcase Heater uuu uuu tot roe mee tk Vb rn E a eor a 85 5 ua uyar ats yum ans tasa a oe Dus 86 4 1 Rotalon or OUtdooPJUnits c uu ceo oec eto 86 4 2 Operating Priority and Rotation of 5 5 86 UB e 87 5 1 Startup Control in Cooling Operation 87 5 2 Startup Control in Heating Operation 88 5 3 Startup Control of Function Unit only for heating operation at low outdoor air temperature 89 s INOMMal ETT 90 6 1 List of Functions in Normal Operation 90 6 2 XZompressor COMMON oos iod 91 6 3 Electronic Expansion Valve Control 94 6 4 Outdoor Unit Fan Control 95 6 5 Control for Cooling Operation at Low Outdoor Air Temperature 95 6 6 Control for Heating Operation at Low Outdoor Air Temperature 96 6 7 Refrigerant Flow Rate Control
426. played based on the Unit No and Code selected 209 Troubleshooting SiBE31 801 C 3 9 Inspection Mode Operating the INSPECTION TEST button on the remote controller will make it possible to Troubleshooting by Remote Controller check the malfunction codes indoor unit model codes and outdoor unit model codes while in inspection mode Normal display No display Inspection test Push the button operation Unit Malfunction code Inspection ee Qm Lain Inspection mode Inspection test Push the button operation al a 4 2 Z r r Indoor unit model code display Inspection test Push the button operation 1 1 Outdoor unit model code display Inspection test Push the button operation Test operation Test operation mode Inspection test Push the button operation Troubleshooting Unit Malfunction code Inspection r Malfunction code blinks when a malfunction occurs Indoor unit type code Progression code FXCQ25 pa e Indoor unit system code Capacity code Example of capacity code display Indoor unit system code Example model Display mi 77 2 VRV sysem Outdoor air processing ui system Standard indoor unt _ Indoor unit
427. pply NO voltage normal Correct the power voltage YES s the magnetic switch NO K2M K3M normal 1 YES In case of the models RTSQ14P and 16P identify the relevant compressor while in monitor mode Replace the magnetic switch Check the wiring from power supply current sensor A6P A7P MgS K2M K3M compressor Is above wiring Correct wiring correct YES NO Is current po Replace the corresponding correct 1 current sensor A6P or ATP Replace the compressor YES d Note 1 One of the possible factors may be chattering due to rough contact 2 Abnormal case m The current sensor value is 0 during STD compressor operation B The current sensor value is more than 15 0A during STD compressor stop Troubleshooting 250 Troubleshooting by Indication on the Remote Controller 51 1 801 C 4 19 Outdoor Unit Malfunction of Outdoor Unit Fan Motor Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes 251 a bai RTSQ8P 16P Outdoor Unit Detect a malfunction based on the current value in the inverter PCB as for motor 2 current value in the fan PCB Detect a malfunction for the fan motor circuit based on the number of rotation detected by hole IC during the fan motor operation Overcurrent is detected for inverter A4P or fan inverter
428. qn Medeo x 5 x x 101018096 YOUMS pinbi 194 eunssed am A 194 pue seo 46 83010 sth T Y90949 15 iosu s 91 5591 aiU V YOOUD 2191114 uoisuedxe eJnsseJd 9luoJ199 3 O Je ubi X ap ion ul RUE mm Hs UONMS HE YOUIMS HdIS Jolene piougog ean einsseid ufi 5 einssed 5 1038189180 Aseyideg edid pinbr 5 d eui uod mE _ a 1 TIIN Q SALA GUN Q 19113 19113 TNR Kem nog uoisuedxe 42539 i 21 21 amos Ase gy Solel anjen 1905 edid pinbr O 91188914 Joy C uod S Hpi uoisuedx Q Jopig 90m ende 108 95 __ 00110615 a ansad E 19114 LLI s uoisuedx seo 9A EA 19 14 piouejos piousios uod yeoy 9 plou oS 9 5 1020819 O I uorsuedxa 20029 LL a pure dOLO
429. r Caution or parts damage may be occurred ls electricity being introduce for the first time after installation or after an indoor or outdoor unit PCB has been replaced Is indoor outdoor and outdoor outdoor unit transmission wiring normal NO YES Push and hold the RESET button on the outdoor unit PCB for 5 seconds NO Does a malfunction occur YES Disconnect the outdoor outdoor unit transmission wiring to create the one system status and then check whether or not the system is normal YES NO td Does a on malfunction occur for all indoor units in the system YES NO Does a malfunction occur even after 12 minutes elapses from the time when electricity is introduced to indoor and Normal After fixing the incorrect wiring push and hold the RESET button on the master outdoor unit PCB for 5 seconds The unit will not run for up to 12 minutes Normal Mount the DIII NET expander adaptor Replace the indoor unit PCB Replace the outdoor unit PCB A1P or 1 Check the correct wiring indoor outdoor and outdoor outdoor by Installation Instruction 2 What is Auto Address This is the address automatically assigned to indoor units and outdoor units after initial power supply upon installation or after executing rewiring Keep pressing the button for more than 4 seconds 322 Tr
430. r Field Settings Independent systems e Make various settings with the switch box located on the front right side Systems with multi outdoor units e Make various settings with the switch box of the master outdoor unit Settings with slave unit are invalidated ON 9 BLINK OFF LED indication and location e 9 O Seve2 e e e e eee Discrimination between master unit and slave unit 1 An outdoor unit to which the indoor unit connection wiring is connected is a master unit and other outdoor units are a slave unit 2 The outdoor units can be discriminated as shown in the table on the upper right according to LED displays on the outdoor unit PCB A1P 1 2 5 Precautions for Piping Work and Refrigerant Charging This unit uses R 410A refrigerant Pay careful attention to the precautions shown below 1 Use a charge hose and a gauge manifold dedicated to R 410A to withstand pressure and prevent impurities e g SUNISO oil from getting mixed in the refrigerant 2 To blaze be sure to blow nitrogen gas through the piping e Conduct airtight tests and vacuum drying without fail Airtight testing pressure 4 e Charge refrigerant in a liquid state 1 2 6 Precautions for Operation in Service Mode Field Setting In order to restart service mode for test operation after interrupting or normal completion of the service mode provide intervals of
431. r III 1024 units DAM602B51x4 DAMOO02A51 Power Proportional Distribution function Option Software Web Eco Monitors and controls the air conditioning system using the Internet DAM004A51 and a Web browser application on a PC DAM003A51 ECO Energy saving functions 4 Optional DIII Ai unit DAM101A51 External temperature sensor for intelligent Manager 2 5 Di unit DEC101A51 8 pairs based on a pair of On Off input and abnormality input 2 6 Dio unit DEC102A51 4 pairs based on a pair of On Off input and abnormality input Interface unit to allow communications between VRV and BMS 1 Interface for use in BACnet DMS502B51 Operation and monitoring of air conditioning systems through BACnet communication Expansion kit installed on DMS502B51 to provide 2 more DIII NET Optional DIII board DAN4115S1 communication ports Not usable independently Expansion kit installed on DMS502B51 to provide 16 more Optional Di board DAMT2BST wattmeter pulse input points Not usable independently e Interface unit to allow communications between VRV and BMS 2 Interface for use in LONWORKS DMS504B51 Operation and monitoring of air conditioning systems through LONWORKS communication Parallel interface DPF201A51 Enables ON OFF command operation and display of malfunction Basic unit can be used in combination with up to 4 units Temperature 4 oe DPF201A52 Enables temperature measurement output for 4 g
432. r Unit Malfunction of Thermistor RAT for IS Chile i C HE 241 4 13 Indoor Unit Malfunction of Room Temperature Thermistor in Remote Controller 242 4 14 P Outdoor Unit PCB Defect 243 4 15 3 Outdoor Unit Actuation of High Pressure Switch 244 4 16 Outdoor Unit Actuation of Low Pressure Sensor 246 4 17 5 Outdoor Unit Inverter Compressor Motor Lock 248 4 18 2 Outdoor Unit STD Compressor Motor Overcurrent Lock 250 4 19 Outdoor Unit Malfunction of Outdoor Unit Fan Motor 251 4 20 5 Outdoor Unit Malfunction of Electronic Expansion Valve Coil 1 5 254 4 21 2 Outdoor Unit Abnormal Discharge Pipe Temperature 256 4 22 5 Outdoor Unit Refrigerant 258 4 23 Outdoor Unit Abnormal Outdoor Fan Motor Signal 259 4 24 Outdoor Unit Malfunction of Thermistor R1T for DOOR Alu 261 4 25 Outdoor Unit Current Sensor Malfunction 262 4 26 42 Outdoor Unit Malfunction of Discharge Pipe Thermistor RSIT H92T OS Vickers Deuda id
433. r in indoor unit is used for temperatures from 23 C to 18 B 118 Outline of Control Indoor Unit SiBE31 801 C 9 2 3 Thermostat Control while in Normal Operation VRV multi systems are set at factory to thermostat control mode using the remote controller While in normal thermostat differential control mode i e factory setting mode the thermostat turns OFF when the system reaches a temperature of 1 C from the set temperature while in cooling operation or of 1 C from that while in heating operation Tr Set temperature 1 C Normal Tr Temperature detected with the suction Cooling operation Thermostat OEF air thermistor R1T Tr gt Set temperature 1 C Normal Heating operation Thermostat OFF While in a single remote controller group control the body thermostat is only used for this control Furthermore while in heating operation cassette mounted indoor units conduct the thermostat control by a value compensated by 2 C for the value detected with the body thermostat Through field settings the thermostat differential setting can be changed from 1 C to 0 5 C For details on the changing procedure refer to information on page onward 9 2 4 Thermostat Control in Dry Operation While in dry operation the thermostat control is conducted according to suction air temperature at the time of starting the dry operation Assuming that the suction air temperature at the time of starting the dry operation
434. r units are set to operation prohibited as aforementioned outdoor unit rotation will not be conducted Setting of Function Unit to Operation Prohibited Applied model RTSYQ10 20P Set the setting item No 42 of Setting mode 2 to INV compressor operation prohibited Make the following setting with the function unit LED display O ON OFF Blink Step H1P H7P Ord ODER 2 Press the SET button BS2 42 times oOOoeoecoce 3 Press the RETURN button 853 once O 9 Factory setting 4 Press the SET button BS2 once O000000 5 Press the RETURN button BS3 twice O00000 6 Press the MODE button BS2 once Test Operation Field Setting SiBE31 801 Test Operation Cancel of Emergency Operation To cancel the emergency operation conduct the following setting Return to Factory setting lt RTSYQ10 to 16 1 gt O Cancel disabling the inverter compressor from operating Set 42 of setting mode 2 Disable inverter compressor operation to OFF Step 1 Press the MODE button BS1 for 5 seconds or more Press the SET button BS2 42 times Press the RETURN button BS3 Press the SET button BS2 once 853 S x Q Press the MODE button BS1 once once Press the RETURN button BS3 twice LED display ON OFF Blink O000000 OOeoeoce O00009 O e 9 Factory setting 09000000 007
435. rature 35 CDB equivalent refrigerant piping 5m level difference Om Nominal heating capacities are based on indoor temperature 20 CDB outdoor temperature 7 6 CWB equivalent refrigerant piping 5m level difference Om Capacities are net including a deduction for cooling an addition for heating for indoor fan motor heat The BYCQ140CW1W has white insulations Be informed that formation of dirt on white insulations is visibly stronger and that it is consequently not advised to install the yd decoration panel in environments exposed to concentrations of dirt Specifications 14 Specifications SIiBE31 801 C Roundflow Ceiling Mounted Cassette 1 1 TECHNICAL SPECIFICATIONS FXFQ63P8VEB FXFQ80P8VEB FXFQ100P8VEB FXFQ125P8VEB casy Gem Ww 7 39 ___ __ M ew 80 9 Power Input 0 095 0 120 0 173 0 258 wa em m C wan m Depth mm 240 Weight Unit k 21 24 24 26 g g Dimensions Length 2 096 Heat Dimensions 2 Css Nos gt v 1 v m Cross fin coil Multi louver fins and Hi XSS tubes low mmim o 5 Steps pes a 7 RAA Sound level ui T Sound power nominal Em me e _ p pe we Wap ecc 75 ee Piping Flare connection 952 Gas Flare conn
436. re 00 Stunqdard 5Pa 13 23 5 02 High static pressure MPa 18 External Static Pressure Settings for FXMQ P model MODE NO FIRST CODE NO SECOND CODE NO External Static Pressure 0 7 6 13 23 o 0 o The SECOND CODE NO is set to 07 an external pressure of 100 Pa at ES 1 The FXMQ50 63 80 100 125 140PVE cannot be set to 30 Pa 2 The FXMQ20 25 32 AOPVE cannot be set to 180 or 200 Pa 159 Test Operation SiBE31 801 C Field Setting 19 Humidification When Heating Thermostat is OFF Setting to Humidification Setting turns ON the humidifier if suction air temperature is 20 C or above and turns OFF the humidifier if suction air temperature is 18 or below when the heating thermostat is OFF Fist Code No Second Code No ___ 15 25 1 Setting of humidifier 20 Setting of Direct Duct Connection This is used when fresh air intake kit equipped with fan is connected The indoor fan carries out residual operation for one minute after the thermostat is stopped For the purpose of preventing dust on the air filter from falling off First Code No Second Code No Without direct duct connection 5 25 With direct duct Pes fan 21 Interlocked Operation between Humidifier and Drain Pump This is used to interlock the humidifier with the drain pump When water is drained out of the unit this setting is unnecessary
437. read PS1B female thread PS1B female thread Machine Weight Mass e o G o Sound Level 220V x3 x4 Fuse Fuse Fuse Safety Devices Thermal Protector Thermal Protector Thermal Protector for Fan Motor for Fan Motor for Fan Motor Refrigerant Control Electronic Expansion Valve Electronic Expansion Valve Electronic Expansion Valve Operation Manual Installation Manual Operation Manual Installation Manual Standard Accessories Sealing Pads Connection Pipes Sealing Pads Connection Pipes g pe Screws Clamps Screws Clamps Connectable Outdoor Units 5 6 RXYQ8 54PY 1 RXYQ8 54PY 1 RXYQ10 54PY1 C 3D046147B C 3D046147B C 3D046147B Notes 1 Specifications are based on the following conditions Cooling Outdoor temp of 33 CDB 28 CWB 68 RH and discharge temp of 18 CDB kcal h kWx860 Heating Outdoor temp of O CDB 2 9 CWB 50 RH and discharge temp of 25 CDB peed ae heed Equivalent reference piping length 7 5m Om Horizontal At 220V 2 Air filter is not standard accessory but please mount it in the duct system of the suction side Select its dust collection efficiency gravity method 50 or more 3 Anechoic chamber conversion value measured at a point 1 5m downward from the unit center These values measured at 220V are normally somewhat higher during actual operation as a result of ambient conditions x4 Valves measured at 220 V x5 Within the range that the t
438. ree control in heating operation This function is used to adjust the opening of the electronic expansion valve so that the high pressure equivalent saturated temperature Tc which is converted from the detected pressure of the high pressure sensor in the outdoor unit and the subcooled degree SC which is calculated from the detected temperature 1 of the liquid temperature thermistor R2T in the indoor unit will come close to the target subcooled degree SCS At that time corrections to the subcooled degree are made according to differences AT between set temperature and suction air thermistor temperatures SC Tc T1 SC Condenser outlet subcooled degree Tc High pressure equivalent saturated temperature detected by the high pressure sensor S1NPH T1 Indoor unit liquid pipe temperature R2T SCS Target SC value 5 5 subcooling degree e Normally 5 C e As AT Remote controller set temp Suction air temp becomes larger SCS becomes lower e As AT Remote controller set temp Suction air temp becomes lower SCS becomes larger 127 Function SiBE31 801 Test Operation Part 5 Test Operation OD CLARO H sayas 129 3nstallalloDE TOCOSS bU EB OR TUER 129 1 2 Procedure and 130 1 3 Additional Refrigerant Charge Procedure
439. refrigerant piping side 97 Function SIBE31 801 Protection Control 7 Protection Control 7 1 High Pressure Protection Control This high pressure protection control is used to prevent the activation of protection devices due to abnormal increase of high pressure and to protect compressors against the transient increase of high pressure In cooling operation Thefollowing control is performed in each outdoor unit and function unit Normal operation Compressor step step Pc Value detected by high pressure sensor by each outdoor unit and Pc gt 3 47MPa Pc lt 324MPa function unit 1 For INV compressor steps refer INV compressor see 1 A lapse of 15 Sec INV compressor see 1 information on P 92 and 93 to information on P 92 and 93 3 steps down per 10 sec 1 step up per 15 sec a Pc gt 3 47MPa A lapse of 10 sec gt 3 55 A lapse of 10 sec STD compressor 2 OFF gt 3 55 A lapse of 10 sec gt 3 55 amp STD compressor 1 A lapse of 10 sec INV compressor OFF 52 Hz High pressure sensor 4 0MPa is activated gt 3 64MPa Restart standby 2 times per 30 min at maximum Stop due to malfunction displayed Function 98 Protection Control SIBE31 801 In heating operation Outdoor unit gt Normal operation Pc 3 04 MPa Pc lt 2 89 Pc 2 55MPa
440. remote controller for centralized control 1 Dismount the upper casing from the remote controller 2 Press the BS6 button 2 field setting to set the system to field setting mode 3 Press the BS2 button 3 temperature setting A or the 853 3 temperature setting w to the Mode to 00 4 Press the BS9 button 4 setting A or the BS10 button 4 setting B to select a Group No The group numbers increase like 1 00 1 01 1 15 2 00 4 15 However the ON OFF controller only displays group numbers in the range selected by the control range setting switch 5 Press the BS7 button 5 setting cancel to determine the Group No selected 6 Press the BS6 button 2 field setting to return the system to normal mode CAUTION Evenif no remote controller is used connect a remote controller to make Group No setting make setting of Group for central control and then disconnect the remote controller after the completion of setting make Group No setting turn on the power supply of the central controller ON OFF controller and indoor unit respectively 163 Test Operation SiBE31 801 C Field Setting Group No Setting Example Centralized Remote Controller Indoor Outdoor Outdoor Outdoor ndoor Outdoor Outdoor Outdoor F1 F2 F1 F2 F1 F2 F1 F2 F2 P1 P2 F2 P1 P2 F2 P1 F1 F2 P1 P2 VA E
441. ress Duplication Improper Setting 327 6 Troubleshooting OP Unified ON OFF Controller 328 6 1 Ut tetendit 328 6 2 Display Under Centralized Control Blinks Repeats Single Blink 330 6 3 Display Under Centralized Control Blinks Repeats Double Blink 333 7 Troubleshooting Heat Reclaim Ventilation 334 7 1 Gi Error of External Protection Device 334 7 2 59 55 Indoor Air Thermistor Error 335 7 3 Damper System Error Alarm 336 7 4 Damper System Error Alarm 337 7 5 Malfunction of Simplified Remote Controller 338 196 Check Items for Service SIBE31 801 1 Check Items for Service 1 1 For Troubleshooting 1 1 1 Initial Check and Fault Diagnosis 1 Thoroughly check for requests complaints of users 2 Check for statuses in which faults occur through hearings from users 3 Check whether or not any malfunction code is displayed on the remote controller Or check whether or not any malfunction is caused in the monitor mode of outdoor unit 4 If no malfunction code is displayed carry ou
442. ressure INV compressor increase in the fault operation 17 Pressure regulating valve This is used when pressure increases to prevent any damage on components caused Liquid pipe by pressure increase in transport or storage 18 Pressure regulating valve This is used when pressure increases to prevent any damage on components caused Refrigerant regulator by pressure increase in transport or storage Subcooling heat exchanger Apply subcooling to liquid refrigerant 20 Refrigerant regulator Surplus refrigerant is held according to the operation conditions Used to return the refrigerating oil separated through the oil separator to the INV 2 Capillary tube This is used to discharge refrigerant from the refrigerant regulator mE x Thermistor Outdoor air Ta Used to detect outdoor temperature correct discharge pipe temperature and others This detects temperature of gas pipe for air heat exchanger Used to exercise the Tee T Heat exchanger constant control of superheated degree when an evaporator is used for outdoor unit gas pipe Tg heat exchanging R31T Thermistor INV discharge Used to detect discharge pipe temperature Used for compressor temperature pipe Tdi protection control Thermistor Heat exchanger This detects temperature of some of the liquid pipes for air heat exchanger Used to deicer Tb make judgements on defrosting operation This detects temperature of gas pipe on the evaporator side for t
443. revent the activation of the thermal protector the fan conducts residual operation for a given period of time after the heater turns OFF This operation is conducted regardless of with or without heater equipped Residual operation time 100 seconds on ceiling suspended type 60 seconds on other types Function SiBE31 801 Outline of Control Indoor Unit 9 6 List of Swing Flap Operations Swing flaps operate as shown in table below Heating Cooling Function Hot start from defrosting operation Defrosting operation Thermostat OFF Hot start from thermostat OFF mode for prevention of cold air Thermostat ON in dry operation using micro computer Thermostat OFF in dry operation using micro computer Thermostat OFF in cooling Micro computer control including cooling operation Fan FXCQ FXFQ FXHQ FXAQ FXKQ Horizontal Horizontal Horizontal Horizontal Horizontal Horizontal Horizontal Horizontal Horizontal Horizontal Horizontal Horizontal Horizontal Horizontal Horizontal Horizontal Horizontal Horizontal Wind direction set Horizontal Totally closed Horizontal Totally closed owing owing Set or L Swing Swing Swing Horizontal or Set Set Swing Swing Set Set Horizontal Totally closed Horizontal Wind direction set OFF Horizontal Swing L Wind direction set Set Totally closed owing owing Set Set 1 L or LL only on FXFQ mod
444. roller 316 Malfunction of transmission between centralized 317 remote controller and indoor unit iri 320 321 Refrigerant system not set incompatible wiring piping Malfunction of system refrigerant system address undefined Centralized remote controller PCB defect Schedule timer PCB defect Malfunction of transmission between optional controllers for centralized control Improper combination of optional controllers for 3 centralized control Address duplication improper setting Operation lamp blinks Under Centralized Control Blinks Repeats single 330 blink Under Centralized Control Blinks Repeats double blink system operates for malfunction codes indicated black squares however be sure to check and repair Centralized Hemote Controller and Schedule Timer 323 324 25 Troubleshooting 214 Troubleshooting by Remote Controller 51 1 801 C Qe OFF O Blink Malfunction Operation Inspection Unit No Malfunction contents Page code lamp display Referred Heat Error of external protection device Field setting 18 334 Reclaim 8 setting position is 02 Overall Alarm Ventilation Error of external protection device Field setting 18 setting position is 03 Overall mmm e o e gt onar hemistr enor ss e o jDamerssemaam 3 _ 9 a o o Damprsytemsiemisorer 357 s o e 9 Malfuncti
445. roups 0 5VDC Temperature 5 Mc nen setting units DPF201A53 Enables temperature setting input for 16 groups 0 5VDC Unification adaptor for computerized control DCS302A52 between the central monitoring board and central control Notes 1 is registered trademark of American Society of Heating Refrigerating and Air Conditioning Engineers ASHRAE 2 LONWORKS is a registered trade mark of Echelon Corporation Installation box for adaptor must be procured on site 5 N N do Communication line Contact analog signal Appendix 402 Option List SiBE31 801 4 2 Option Lists Outdoor Unit RTSYQ10 20PY1 RTSYQ14PY1 Optional Accessories RTSYQ16PY 1 MI Yi KHRP26MC22T KHRP26MC22T KHRP26MC22T TR KHRP26MC33T KHRP26MC33T KHRP26MC33T Distributive piping REFNET joint KHRP26MC72T KHRP26MC72T Outdoor unit multi connection piping kit 403 Appendix SiBE31 801 C Example of Connection R 410A Type 5 Example of Connection R 410A Type Example of connection ncc Branch with REFNET joint Branch with REFNET joint and header Branch with REFNET header Connection of 8 indoor units Function unit Outdoor Function unit Outdoor Function unit unit unit 2 4 REFNET joint A B REFNET header 1 lt lt Indicate the Outdoor unit multi connection piping kit 2 1 case of
446. rrect the connection of the connector Replace the central equipment Centralized controller Normal V7 It is supposed that the malfunction results from external factors e g noises from other equipment Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 56 ir System is not Set yet Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting d Note Troubleshooting amp Ta n gt All indoor unit models RTSQ8P 16P Outdoor Unit On check operation the number of indoor units in terms of transmission is not corresponding to that of indoor units that have made changes in temperature The malfunction is determined as soon as the abnormality aforementioned is detected through checking the system for any erroneous connection of units on the check operation improper connection of transmission wiring between indoor outdoor units and outdoor outdoor units m Failure to execute check operation m Defect of indoor unit PCB m Stop valve is left in closed Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Are the stop valves NO opened YES Open the stop valve Is indoor outdoor and outdoor outdoor unit transmission wiring Is the check YES operation carried out
447. rst minute 9 e Start up control o o e e e o e for the next 2 minutes Waiting for stable heating O O conditions for the next x15 minutes according to the system It takes about 2 to 10 minutes for the system to become stable In case of a small charging amount the system will start charging the refrigerant before the system reaches the stable state It may disturb a correct decision and may cause overcharging H1P H2P H5P H6P H7P 3 O 9 Ready Press the BS4 TEST button once within 5 minutes If the BS4 TEST button is not pushed within 5 minutes 7 will be displayed on the remote controller Refer to 3 Remote controller malfunction code display on P 141 10 Operation When the following LED display is shown open valve A and close the front panel If the front panel is left open the system can not operate properly during the refrigerant charging H2P H5P H6P H7P Og X z The state of this LED is not important When the refrigerant tank is not connected or is left with the valve closed for 30 minutes or more the outdoor unit will stop operation and the gt code will be displayed on the remote controller of the indoor unit Follow the procedure as described in 3 Remote controller malfunction code display on P 141 When a malfunction occurs check the display of the remote controller and refer to 3 Remote
448. rt up Wait while the unit is preparing for charging in cooling mode H1P H2P H5P H6P H7P Pressure control oe o o o o O for the first minute Start up control eoe o o O for the next 2 minutes Waiting for stable cooling 9 O O conditions for the next x15 minutes according to the system It takes about 2 to 10 minutes for the system to become stable In case of a small charging amount the system will start charging the refrigerant before the system reaches the stable state It may disturb a correct decision and may cause overcharging H1P H2P H5P H6P H7P 9000 O O 9 Ready Press the BS4 TEST button once within 5 minutes If the BS4 TEST button is not pushed within 5 minutes 7 will be displayed on the remote controller Refer to 3 Remote controller malfunction code display on page 141 10 Operation When the following LED display is shown open valve A and close the front panel If the front panel is left open the system can not operate properly during the refrigerant charging H2P H5P H6P H7P Oo z The state of this LED is not important When the refrigerant tank is not connected or is left with the valve closed for 30 minutes or more the outdoor unit will stop operation and the gt code will be displayed on the remote controller of the indoor unit Follow the procedure as described in 3 Remote contro
449. ry mode 1 B Used to conduct vacuuming on site Fully open the expansion valves of the indoor and outdoor units and energize part of solenoid valves Use a vacuum pump to conduct vacuuming m Used for the troubleshooting of DC compressors Inverter waveform output makes it possible to judge whether a malfunction results from the compressor or the PCB Vacuuming mode 1 Power transistor check mode B n order to replace the PCB by a spare one be sure to make model setting SiBE31 801 Overview of setting procedure B Set No 5 of Setting mode 2 to indoor unit forced fan H B Set No 6 of Setting mode 2 to indoor unit forced operation mode Select high side or low side with No 8 of Setting mode 2 Select high side or low side with No 9 of Setting mode 2 B Select fast side or slow side with No 10 of Setting mode 2 B Make this setting while in Setting mode 2 For system with multiple outdoor units Set with No 38 39 or 40 Set No 21 of Setting mode 2 to ON B Set No 21 of Setting mode 2 to ON B Set No 28 of Setting mode 2 to ON B For this setting set the DS2 2 3 and 4 switches on the PCB to the model concerned For setting items of 1 refer to detailed information provided on P 188 onward Test Operation SiBE31 801 C Field Setting 3 2 3 Setting by Dip Switches Outdoor Units gt Using dip switches on the PCB enables field setting shown
450. s 10 11 Fan MF Operating with set airflow rate Electronic expansion valve Closed 20 9 Fan operation By setting the remote controller to Fan the fan will operate with thermostat OFF in set temperature control operation mode 10 Set wind direction According to wind direction instruction from the remote controller the wind direction is set to 100 horizontal while in heating operation 11 Fan According to fan speed instruction from the remote controller the fan is put into operation in LL mode while in heating operation 115 Aux electric OFF Aux electric ON heater Humidifier OFF Humidifier ON Humidifier ON expansion valve 12 Wind direction When the heating thermostat turns OFF the wind direction will be set to 100 horizontal 14 Thermostat status SiBE31 801 C Heating Operation option Drain purnp MP OFF 12 Yes 12 Swing flap Yes 5 defrost operation in progress No 13 Is hot staring Yes progress No DEFROST HOT START DEFROST HOT START indicating lamp OFF indicating lamp ON Restart prevention pran In progress 4 min s test run I progress hermosta 8 status 2 Option Option Option Aux electric OFF heater Humidifier OFF heater 15 S Outlet temperature drop protection in progress Yes No Fan MF Operating FanC
451. s even if the ON OFF button on the remote controller is pushed When the system operation is stopped by the remote controller the outdoor unit may continue operation for a maximum of 5 minutes The outdoor fan may rotate at low speeds in the night time low noise setting or the external low noise level setting is made but this is not a malfunction 146 SiBE31 801 Outdoor Unit PCB Layout 2 Outdoor Unit PCB Layout Outdoor unit PCB 3 BS button 1234 DS1 I I I 2 I 2 Set mode display LED Fi n m L 4 Dip switch 1 Micro computer normal monitor Connection terminal for transmission use Outdoor Multi outdoor Indoor Outdoor Outdoor 1 Micro computer normal monitor This monitor blinks while in normal operation and turns on or off when a malfunction occurs 2 Set mode display LED LEDs display mode according to the setting 3 BS button Used to change mode 4 Dip switch Used to make field settings 147 1234 Test Operation SiBE31 801 3 Field Setting Field Setting from Remote Controller Individual function of indoor unit can be changed from the remote controller At the time of installation or after service inspection repair make the local setting in accordance with the 3 1 3 1 1 Wired Remote Controller lt BRC1E51 gt following description Wrong setting may cause malfunction Field Setting When
452. s normal with 1 circuit after NO i Replace the main of outdoor outdoor outdoor connecting unit Wires are removed YES Fix DIII Net expander adaptor 301 Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 49 5 Indoor Unit Malfunction of Transmission between Remote Controller and Indoor Unit Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting gt gt All indoor unit models In case of controlling with 2 remote controller check the system using micro computer is signal transmission between indoor unit and remote controller main and sub is normal Normal transmission does not continue for specified period Malfunction of indoor unit remote controller transmission Connection of two main remote controllers when using 2 remote controllers Defect of indoor unit PCB Defect of remote controller PCB Malfunction of transmission caused by noise Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred SS1 of both remote controllers is set to Using 2 remote YES Rontrollars control Set one remote controller to SUB turn the power supply off once and then back on Operation returns to normal when the power is turned off momentarily All in
453. s 3 Specifications SIiBE31 801 C Concealed Ceiling Unit T 1 TECHNICAL SPECIFICATIONS Piping ane Flare connection connections OD 9 52 Gas Flare connection a Nominal cooling capacities are based on indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 7 5m level difference Om Nominal heating capacities are based on indoor temperature 20 CDB outdoor temperature 7 CDB 6 CWB equivalent refrigerant piping 7 5m level difference Om Capacities are net including a deduction for cooling an addition for heating for indoor fan motor heat The sound pressure values are mentioned for a unit installed with rear suction 1 2 ELECTRICAL SPECIFICATIONS FXSQ20P7VEB FXSQ25P7VEB FXSQ32P7VEB FXSQ40P7VEB FXSQ50P7VEB E Powe V Current Minimum circuit amps A 0 4 0 4 0 4 1 2 1 2 MCA Maximum fuse amps A 16 MFA Notes Voltage range units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed range limits Maximum allowable voltage range variation between phases is 2 Select wire size based on the MCA Instead of a fuse use a circuit breaker A Current Minimum circuit amps 1 1 1 3 1 6 2 1 MCA Maximum fuse amps A 16 MFA Notes Voltage range units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed range limits Maximum allowable voltag
454. s bypass control For details refer to P 100 8 In cooling the indoor unit electronic expansion valve is used for superheated degree control For details refer to P 127 4 In heating the outdoor unit electronic expansion valve EVM is used for superheated degree control of outdoor unit heat exchanger 343 Troubleshooting SiBE31 801 C Troubleshooting Heat Reclaim Ventilation 11507 Broken Wire Check of the Connecting Wires Troubleshooting 1 Procedure for checking outdoor outdoor unit transmission wiring for broken wires On the system shown below turn OFF the power supply to all equipment short circuit between the outdoor outdoor unit terminal parts F1 and F2 in the Outdoor Unit A that is farthest from the centralized remote controller and then conduct continuity checks between the transmission wiring terminal blocks F1 and F2 of the centralized remote controller using a multiple meter If there is continuity between the said terminal blocks the outdoor outdoor unit transmission wiring has no broken wires in it If there is no continuity the transmission wiring may have broken wires With the outdoor outdoor unit terminal parts of the Outdoor Unit A short circuited conduct continuity checks between the transmission wiring terminal blocks F1 and F2 of the unified ON OFF controller If there is no continuity as well conduct continuity checks between the outdoor outdoor unit terminal parts of the Outd
455. s made and the position of the four way valve is also determined To position the four way valve the master and slave units simultaneously start up 51 Startup Control in Cooling Operation Pressure Startup control gt RT before startup sec Compresr2 ______ Compresr2 ______ 52 HZ OFF OFF Until it reaches Compressor3 Compressor3 Pc Pe gt 0 39 MPa 1step 15 sec When ER STET lt 20 OFF Pc max 2 16 MPa Ta220 C STEP4 1step 15 sec When Outdoor Outdoor unitfan2 fan 2 Pc max 1 77 MPa Electronic ooo Electronic i Electronic expansion valve Refrigerant 80 pls 80 pls 80 pls charge Solenoid valve Refrigerant SVG OFF OFF purging pipe Hen I ono valve ISI valve Refrigerant regulator OFF OFF liquid pike Solenoid valve s Solenoid valve Refrigerant OFF discharge pipe OFF OFF discharge pipe Four way valve 21 Ending conditions A lapse of 60 lapse of 15 sec on A lapse of 90 sec Solenoid valve Refrigerant Sec e Pc Pe gt 0 39 MPa 87 Function SiBE31 801 C Startup Control 5 2 Startup Control in Heating Operation Pressure Startup control Elect equalization Actuator Symbol symbol control EF STEP before sm sec Compressor2 52 HZ OFF OFF Until it reaches Compressor3 Compressor3 gt 0 39 MPa Outdoor unit fan 1 M1F Mm STEP4 20SA ON STEP ON STEP7 20SA ON STEP7 Outdoor unitfan2 unit fa
456. saturated state B Differences Change in pressure Change service port diameter 7 Charge hose for R 410A Hose with ball valve Specifications Working pressure 5 08 MPa 51 8 kg cm Rupture pressure 25 4 MPa 259 kg cm Available with and without hand operate valve that prevents refrigerant from outflow Differences Pressure proof hose Change service port diameter Use of nylon coated material for HFC resistance 8 Charging cylinder se Can not used B Specifications Use weigher for refrigerant charge listed below to charge directly from refrigerant cylinder B Differences The oylinder can not be used for mixed refrigerant since mixing ratio is changed during charging When R 410A is charged in liquid state using charging cylinder foaming phenomenon is generated inside charging cylinder 421 Precautions for New Refrigerant R 410A SiBE31 801 C Precautions for New Refrigerant R 410A 9 Weigher for refrigerant charge B Specifications High accuracy TA101A for 10 kg cylinder 2g TA101B for 20 kg cylinder 5g Equipped with pressure resistant sight glass to check liquid refrigerant charging A manifold with separate ports for HFCs and previous refrigerants is equipped as standard accessories B Differences Measurement is based on weight to prevent change of mixing ratio during charging 1
457. scribed below Furthermore if moisture may get mixed in the piping system follow the procedure for Special vacuuming and dehydration described below Normal vacuuming and dehydration 1 Vacuuming and dehydration Use a vacuum pump that enables vacuuming up to 100 7kPa 5 torr 755 mmHg e Connect manifold gauges to the service ports of liquid pipe and gas pipe and run the vacuum pump for a period of two or more hours to conduct evacuation to 100 7kPa or less f the degree of vacuum does not reach 100 7kPa or less even though evacuation is conducted for a period of two hours moisture will have entered the system or refrigerant leakage will have been caused In this case conduct evacuation for a period of another one hour f the degree of vacuum does not reach 100 7kPa or less even though evacuation is conducted for a period of three hours conduct leak tests 2 Leaving in vacuum state e Leave the compressor at the degree of vacuum of 100 7kPa or less for a period of one hour or more and then check to be sure that the vacuum gauge reading does not rise If the reading rises moisture may have remained in the system or refrigerant leakage may have been caused 3 Refrigerant charge Purge air from the manifold gauge connection hoses and then charge a necessary quantity of refrigerant Special vacuuming and dehydration case moisture may get mixed in the piping 1 Vacuuming and dehydration e Fol
458. sensor with wrong connection Defect of outdoor unit PCB Defective connection of low pressure sensor Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Confirm which high pressure sensor is abnormal using outdoor unit monitor mode Refer to P 216 217 1 Set the low pressure gauge upright 2 Connect the checker for VRV to the gauge Are the characteristics of the low pressure sensor normal Make a comparison between the voltage characteristics 1 and the gauge pressure NO Replace the low pressure sensor YES If the PCB pressure detection normal Make a comparison between the checker pressure data and the B e k NO Replace the main PCB YES Reset the operation and then restart the outdoor unit Are the characteristics of the low pressure sensor normal NO Replace the low pressure sensor YES Replace the main PCB 272 Troubleshooting by Indication on the Remote Controller 51 1 801 C 1 Voltage measurement point Outdoor unit PCB A1P GND Micro computer A D input D C 5 2 Measure DC voltage here 2 Refer to Pressure Sensor Pressure Voltage Characteristics table on P 410 273 Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 35 i Outdoor Unit Defective Inv
459. ses other problems Therefore gauge manifolds and charge hoses that are used with a previous refrigerant R 22 R 407C can not be used for products that use new refrigerants Be sure to use dedicated tools and devices B Tool compatibility Compatibility HC HCFC Reasons for change R 410A R 407C R 22 Do not use the same tools for R 22 and R 410A Thread specification differs for R 410A and R 407C e Weighting instrument used for HFCs e The same tool can be used for HFCs To use existing pump for HFCs vacuum pump adaptor must be installed Gauge manifold Charge hose Charging cylinder Gas detector _ __ MEE GEN ME M NENNEN 90 NENNEN Vacuum pump pump with reverse flow preventive function Weighting instrument Charge mouthpiece e Seal material is different between R 22 and HFCs Thread specification is different between R 410A and others Torque up for 1 2 and 5 8 Ppecer Pipeexpander Ppebede Due to refrigerating machine oil oed HELME change No Suniso oil can be used Refrigerant recovery Refrigerant piping See the chart below As for the charge mouthpiece and packing 1 2UNF20 is necessary for mouthpiece size of charge hose Copper tube material and thickness R 407C R 410A Pipe size m 5 9 38 o i wara a 19 19 1 NE
460. shooting Error Code Inspection OFF Unit No Blinking Heat reclaim ventilation Measurement of damper motor limit ON OFF time m When damper motor limit switch 1 or 2 remains ON or OFF for more than a certain time duration after ventilation mode is changed m When damper motor limit switch 1 or 2 repeats ON OFF operations after damper motor 1 or 2 stops Faulty damper motor or limit switch Broken wire in cable Faulty contact in connector including relay connector Faulty control PCB assembly Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Is relay connector of NO damper motor unit connected YES Check connectors or X4A or X6A on PCB assembly of damper motor unit Connect relay connector NO Are connectors Connect connectors connected YES Is damper motor NO unit operating Replace the damper motor unit normally 1 YES Replace the control PCB assy d Note Troubleshooting m Place tester probes on connectors of limit switch Move switch by hand and check continuity If tester indicates 00 when limit switch turns on and infinity when it turns off limit switch is normal m Place tester probes on connectors of damper motor and check resistance If tester indicates approx 17 in 200 V model damper motor is normal Check resistance and voltage 336 Troubleshooting Heat
461. sm EE DLN Aulo x 94002876 3kWANOSNY GONOUO3H ASA SVO Ox3 1 3 HOLSIWYSHL _ Led 92 68 OLL3NOVIN 13539 1931 Nuni3u 13S IOON p G N G N JOHVHO NOISNYdX3 OINOHLOSIS aZA div SLA Av T3H OLL3NOVIN sQ r 7 987 JATA NOISNYdX OINOHIO3H 914 div uiv HOLSINHSHI dzy 594 Av13H OLL3NOVIN HM OSNES eo Ones ovi da Tm VEX VIX n aiv seu 87 O O ue zx 2472 wey A wey div 0u1NO9 4 15 LNSYHND HOLSIS3H _ 968 Av Tad Nv3 Linoulo dev dsv wx gam vex PER Z NNN CUN 1905 dIHLS WEX HOSNAS 1 9 HOLSISSH _ 068 dev AVISY OLLSNOSVIN AND quvos LINOHIO GU V Ad BHO SNIS S HOLO3NNOO Vr VIX HOLSISAH 6S4 OSH T Wax Ava OILIN YIN HZA atA HALT 3SION 8 08 LINOHIO GSINIHd _ 9 w S wi 22 AN 062 Pm OSZ 805456 INSHHNO HOLSISSH OlH dev OLN HOLOVINOO OLLSNOVW IN ans LINOHIO 2 8 00000 9 VIX 00000 VL LX dsv 193130 TYSHJA3U 3SvHd
462. ssette 2 Way Blow ie Mounted ie 20m8 25M8 32M8 40m8 50m8 125 8 Ceiling Mounted Pave EL 20PB 25PB 32PB UA Concealed Ceiling PBVE n FXDQ NB dice Concealed Ceiling Unit Small FXDQ 20M9 25 9 V3B Wall Mounted Unit 40P 2i 38 8523 KCN mi E RD ES EE ER Concealed Floor Standing Unit FXNQ 20 25 32MA 40MA 63 Outdoor Air Processing 4 way blow ceiling w pene _ uem Fw pouja FXUQ Note FXDQ has following 2 Series as show below FXDQ PB NBVE with Drain Pump BEV unit is required for FXUQ only MA RoHS Directive models Specifications Dimensions and other functions are not changed compared with M type VE BS Units Model Name Power Supply Heat Pump Series 4Q100P 6Q100P Outdoor Unit Series Model Name Power Supply Power Supply VRVIII I EE for Function Unit Model Name Power Supply VRVIII C for cold region VE 16 220 240V 50Hz 1 10 220 240V 50Hz 10 230V 50Hz Y1 30 380 415V 50Hz General Information 2 2 2 1 Indoor Units Roundflow Ceiling Mounted Cassette FXFQ20P FXFQ25P FXFQ32P FXFQ40P FXFQ50P FXFQ63P FXFQ80P
463. ssure switch For p STD compressor 1 19 Pressure regulating valve This is used when pressure increases to prevent any damage on components caused Liquid pipe by pressure increase in transport or storage 20 Pressure regulating valve This is used when pressure increases to prevent any damage on components caused Refrigerant regulator by pressure increase in transport or storage 2 Subcooling heat exchanger Apply subcooling to liquid refrigerant 2 Refrigerant regulator Surplus refrigerant is held according to the operation conditions Used to return the refrigerating oil separated through the oil separator to the INV al compressor Used to return the refrigerating oil separated through the oil separator to the STD1 s 2 Capillary tube Used to discharge refrigerant from the refrigerant regulator Thermistor Outdoor air Ta Used to detect outdoor temperature correct discharge pipe temperature and others Thermistor Heat exchanger This detects temperature of gas pipe for air heat exchanger Used to exercise the 29 30 31 33 34 35 as pipe Tg constant control of superheated degree when an evaporator is used for outdoor unit gas Pipes Tig heat exchanging Thermistor INV discharge 28 R31T Tdi pipe Tdi Used to detect discharge pipe temperature Used for compressor temperature Thermistor STD1 discharge Protection control pipe Tds1 SJ Thermistor Heat exchanger Us
464. st time 1 The integral oil rise rate The higher the compressor operating step No the cumulative refrigerant oil consumption increases Outdoor Units Outdoor unit actuator SED Oil Oil return operation Operation after oil return Subsequently constant low 52Hz ON ON Take the current step as the pressure control ar upper limit Maintain the number of Subsequently compressors that were used Compressor 3 before oil return operation Outdoor unit fan 1 M1F Fan control Fan control Fan control Outdoor unit fan 2 Electronic expansion valve main 480 pls 480 pls 480 pls Electronic mr Electronic expansion valve refilling refrigerant 80 pls o Solenoid valve gas purging pipe of refrigerant Y1S regulator Four way valve for heat Y3S exchanger 2 Solenoid valve liquid pipe of refrigerant regulator Solenoid valve es Solenoid valve discharge pipe of refrigerant Y7S OFF OFF OFF regulator Solenoid valve discharge pipe of refrigerant Y8S OFF OFF OFF regulator Four way valve for high andlow pressure gas pipe Y2S ON ON ON selection e After a lapse of 3 min e After a lapse of 3 min e Pe 0 59MPa End conditions e TsA lt 5 or E Pc 3 53MPa e HTdi gt 110 C 1 In case of multi outdoor unit system Master unit It conducts the operation listed in the table above Slave units Operating units conduct the opera
465. stopped mode this mode is used to control the crankcase heater Discharge pipe temperature lt 70 Crankcase heater Crankcase heater OFF Discharge pipe temperature 75 C 85 Function SIBE31 801 Rotation Control 4 Rotation Control 4 1 Rotation of Outdoor Units In order to make operating time equal for each compressor of multi connection outdoor units outdoor units are used in rotation Rotation of outdoor units System with two outdoor units posee se Outdoor Unit 1 Outdoor Unit 2 Priority 1 Priority 2 Priority 2 Priority 1 Priority 1 Priority 2 Timing of outdoor rotation In start of startup control 4 2 Operating Priority and Rotation of Compressors Each compressor operates in the following order of priority INV Inverter compressor STD1 Standard compressor 1 STD2 Standard compressor 2 System with one outdoor unit RTSYQ14P RTSYQ16P RTSYQ10P System with two outdoor units Used in 2 patterns of Rotation Operation as shown in the following RTSYQ20P Function 86 Startup Control 51 1 801 C 5 Startup Control This control is used to equalize the pressure in the front and back of the compressor prior to the startup of the compressor thus reducing startup loads Furthermore the inverter is turned ON to charge the capacitor In addition to avoid stresses to the compressor due to liquid refrigerant return or else after the startup the following control i
466. systems with multi outdoor units the control shown below is conducted on the whole system Normal operation Pe lt 0 34 fre 0 39MPa Pe Value detected by the low pressure sensor of master unit All STD compressors stop Pe lt 0 25 Master unit 52 Hz OFF OFF Slave units All units stop lt 0 15 TPs gt 0 29MPa Hot gas solenoid valve Y1S ON 0 07MPa Low pressure standby occurs 4 times in a period of 60 min Restart Stop due malfunction 8 times per 60 min at maximum E4 displayed Function 100 Protection Control SIBE31 801 C In heating operation For systems with multi outdoor units the control shown below is conducted by outdoor unit Normal operation d gt 0 20MPa Pe Value detected by the low A lapse of 15 sec pressure sensor by each outdoor unit Pe gt 0 23MPa Compressor step Max step INV compressor see INV compressor see 2 3 steps down per 10 sec 4 1 step up per 15 sec 2 For INV compressor steps e lt 0 17 amp A 10 refer to information on P 92 apse o Sec and 93 a Pe lt 0 13MPa e A lapse of 10 sec STD compressor 2 OFF CENE a rPe lt o oMe P i e A lapse of 10 sec STD compressor 1 INV compressor OFF 52 Hz Pe lt 0 12MPa amp Pe gt 0 17M
467. t ST8605 9 8 L2500 Thermistors Exchanger Moh Temp RST 20kQ 25 C Thermistor for Heat ST8602A 9 6 L2500 Exchanger 20kQ 25 F1U AC250V 5A Dam Parts Name Symbol FXNQ FXNQ FXNQ FXNQ FXNQ FXNQ 20MAVE 25MAVE 32MAVE 40MAVE 50MAVE 63MAVE Wired Remote Remote Controller BRC1E51 Option Controller Wireless Remote ERU P Controller AC 220 240V 50Hz M1F 1015W 1025W 1035W otors Thermal protector 135 C OFF 120 C ON Capacitor for Fan Motor 1 0uF 400V 0 5uF 400V 1 0uF 400V 1 5uF 400V 20uF 400V Thermistor Suction Air E Thermistor for Heat ST8605 9 08 L2500 Thermistors Exchanger High Temp 20kQ 25 Thermistor for Heat R2T ST8602A 9 6 L2500 Exchanger 20kQ 25 Fuse F1U AC250V 5A m ons EE TR22H21R8 E 399 Appendix SiBE31 801 FXUQ71MAV1 FXUQ100MAV 1 FXUQ125MAV1 Wired Remote Controller Wireless Remote Controller Thermistor Suction Air Thermistor Heat 1L Exchanger Controller Thermistors Remote Wired Remote Controller Wireless Remote Controller Controller Motors Capacitor for Fan Motor Solenoid Solenoid valve Y1S valve Hot gas Thermistor Suction Air Thermistor for Heat Exchanger High Temp Thermistors Thermistor for discharge air Float switch S Thermistor Heat Exchanger Transformer Appendix List of Electrical and Functional
468. t a fault diagnosis with reference to information in the Symptom based Troubleshooting section If any malfunction code is displayed carry out a fault diagnosis with reference to information in the Troubleshooting Flowchart section 1 1 2 Taking Countermeasures 1 According to the result of fault diagnosis rectify the fault or replace the faulty part s 2 To conduct dismounting work turn OFF all power supplies and then wait for a lapse of 10 minutes or more To replace any part in the refrigerant circuit be sure to recover refrigerant beforehand 1 1 3 Check after Taking Countermeasures 1 After the completion of rectifying the fault run the system to ensure that it is definitely normal 2 Record the results of checks to explain them to user 1 2 Precautions for Service To conduct service pay careful attention to the precautions shown below 1 2 1 Precautions for Service Before conducting service touch a metal part with no paint coating applied e g the lid of switch box for standard units or bolts that fix the switch box for Salt damage resistant and serious salt damage resistant units to eliminate static electricity 1 2 2 Precautions for Access Lid for Service Be sure to close the access lid for service after the completion of service Not doing so will cause water or foreign matter to enter the unit thus resulting in failures 1 2 3 Precautions for Service in Switch Box 1 Do not open the lid of the switch
469. t of Electrical and Functional Parts SIBE31 801 C 3 2 Indoor Unit 3 2 1 Indoor Unit Parts Name Symbol 25 FXFQ32 FXFQ40 FXFQ50 FXFQ63 FXFQ80 FXFQ100 FXFQ125 Remark PVE PVE PVE PVE PVE PVE PVE PVE Wired Remote Controller wireless Remote Option Controller PHOTO 1 T DC280V 56W 8P DC 320V 120W 8P AC220 240V 50Hz Drain Pump PLD 12230DM Motors Thermal Fuse 145 C MP35HCA 3P080801 1 swing Motor swing Motor Stepping Motor DC12V Thermistor Suction In A2P or wired remote controller Thermistor for Heat R3T ST8605 14 08 L1000 Thermistors Exchanger High Temp 20kQ 25 Thermistor Heat ST8602A 15 6 11000 Exchanger 20kQ 25 C Float Switch FS 0211B Others Thermal Fuse Parts Name symbol FXCQ FXCQ FXCQ FXCQ FXCQ FXCQ Remark 20MVE 25MVE 32MVE 40MVE 50MVE 63MVE 80MVE 125MVE Wired Remote Remote Controller Controller Option ontrolier Wireless Remote BRC7C62 Controller AC 220 240V 50Hz EE ume 1010 1015 1920W 1930W 1950W 185w 4 Thermal protector 135 C OFF Thermal Fuse 152 Themal Fuse 152C Thermal Fuse 152 0 87 C ON Motors AC220 240V 50 2 Drain Pump M1P PLD 12230DM Thermal Fuse 145 C Swing Motor 2 Thermistor for Heat R3T ST8605 6 08 L1250 Exchanger Moh Temp 20kQ 25 C Thermistor Heat ST8602A 5 6 11000 Exchanger 20kQ 25 C F
470. t outdoor unit will be prohibited from running and emergency operation will be conducted only with an operable compressor or outdoor unit The emergency operation can be conducted by resetting the remote controller or making outdoor unit PCB setting 1 Emergency operation by resetting the remote controller Automatic backup operation If a certain outdoor unit circuit causes a failure i e the system stops operation or the indoor unit remote controller displays malfunction the faulty outdoor unit or function unit will be prohibited from running for a period of eight hours through the indoor unit remote controller setting for a period of eight hours and emergency operation will be conducted only with an operable outdoor unit Emergency operation procedure f the outdoor unit or the function unit stops running due to malfunction reset the remote controller i e press and hold the ON OFF button of the remote controller for a period of not less than 4 seconds Detail The outdoor unit or the function unit in which malfunction 1 E5 E7 1 F3 ibi H7 1 H9 WE be prohibited from running and other outdoor J2 3 J5 J6 J7 J9 JA JC units wih run L3 L4 L5 L8 L9 LC U2 UJ Malfunction codes that enable the emergency operation are as listed on the left 1 While in heating operation if E7 or H7 malfunction occurs the emergency operation will be disabled 2 Emergency operation by making outdoor unit PC
471. tage supplied to unit terminals is not below or above listed limits For more details concerning conditional connections see http extranet daikineurope com select E Data Books Finally click on the document title of your choice Specifications 46 Specifications SIiBE31 801 C Concealed Floor Standing Unit 1 1 TECHNICAL SPECIFICATIONS Capacity um Fan low mmn 60 60 85 no wo Model DB Dome 2040 um high Cooling Sound Piping oe Flare connection Gas Safety devices E Accessories m Notes Nominal cooling capacities are based indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 7 5m horizontal Nominal heating capacities are based on indoor temperature 20 CDB outdoor temperature 7 CDB 6 CWB equivalent refrigerant piping 7 5m horizontal Capacities are net including a deduction for cooling an addition for heating for indoor fan motor heat Sound pressure levels are measured at 220V 47 Specifications SiBE31 801 C Specifications Concealed Floor Standing Unit 5 Voltage 220 240 MU ae Notes Voltage range units are suitable for use on electrical systems where voltage supplied to unit terminals is not below or above listed limits
472. temperature protection Radiator fin thermistor OFF 135 C 93 F1U 2 Time lag 3 15A AC 250V 250V AC 10A Class B For main PCB Time lag 3 15A AC 250V 250V AC 10A Class B Others Fuse For Noise filter F1U 250V AC 5A Class B y O UJ 39 N List of Electrical and Functional Parts SIBE31 801 C 3 1 3 RTSQ14PY1 16PY1 Item Name Model Symbol RTSQ14PY1 RTSQ16PY1 JT1GEDKYR SB 14 7A JT170GEKYE SB 15 0A JT170GEKYE SB 15 0A Inverter OC protection device lt Compressor STD 1 OC protection M2C device SID2 lt OC protection device OC protection lt lt lt Electronic expansion valve Main Fully closed Opls Fully open 480pls Electronic expansion valve Refrigerant charge Y2E Fully closed Opls Fully open 480pls S1PH OFF 4 029 45 MPa ON 3 0 0 15 Electronic expansion valve Subcooling For M1C Fully closed Opls Fully open 480pls For 2 S2PH OFF 29 3 0 0 15MPa protection switch For M3C S3PH OFF 4 070 49 MPa ON 3 0 0 15 1NP OFF 0 07MPa Low pressure sensor Discharge gas temperature protection R3T OFF 135 C Temperature Discharge pipe thermistor protection Inverter fin temperature protection Radiator fin thermistor
473. temperature detected with the liquid pipe thermistor Temperature liquid pipe between liquid stop valve and subcooling heat exchanger Temperature of gas pipe at the subcooling heat exchanger evaporation side 83 Function SiBE31 801 C Stopping Operation 2 Stopping Operation 2 1 When System is in Stop Mode Both master units and slave units all stop according to the following contents Cmwemri or ot 90 OF Compressor 9 Outdooruntfant OF Ot OF owore e Electronic expansion valve Electronic expansion valve Subcooling Electronic expansion valve Refrigerant charge 80 pls Solenoid valve Refrigerant regulator gas purging pipe Four way valve Heat exchanger switch Solenoid valve Refrigerant SVL regulator liquid pipe Solenoid valve Hot gas Solenoid valve Main bypass SVE Solenoid valve regulator discharge pipe Solenoid valve regulator discharge pipe Four way valve High low pressure gas pipe switch 205 Ending conditions Indoor unit thermostat is turned ON 2 2 Stop due to Malfunction In order to protect compressors if abnormal conditions occur the system will make stop with thermostat OFF and the malfunction will be determined according to the number of retry times Refer to P 213 215 List of Malfunction Code in Part 6 Troubleshooting about the items of malfunc
474. ternal contacts with the use of the external control adaptor for outdoor unit 1 Connect the external adaptor for the outdoor unit and then connect the external input wiring to the low noise operation input terminal on the terminal block TeS1 2 While in Setting mode 2 set the setting condition for set item No 12 Setting of external low noise demand operation to YES 3 If necessary while in Setting mode 2 select the setting condition i e Level 1 Level 2 or Level 3 for set item No 25 Setting of external low noise level 4 f necessary while in Setting mode 2 set the setting condition for the set item No 29 Setting of capacity precedence to ON If the condition is set to ON when the air conditioning load reaches a high level the low noise operation command will be ignored to put the system into normal operation mode B When the low noise operation is carried out automatically at night The external control adaptor for outdoor unit is not required 1 While in Setting mode 2 select the setting condition i e Level 1 Level 2 or Level 3 for set item No 22 Setting of nighttime low noise level 2 f necessary while in Setting mode 2 select the setting condition i e 20 00 22 00 or 24 00 for set item No 26 Setting of start time of nighttime low noise operation Use the start time as a guide since it is estimated according to outdoor temperatures 3 If necessary while
475. th a swing flap function YES Replace the indoor unit PCB he connector is connected to X9A of the indoor unit PCB The swing motor works NO when the power supply is turned off and then back on Connect the connector to X9A and turn on again NO The limit switch functions normally Replace the swing motor YES e Heplace the limit switch connecting cable The connecting cable is short circuited or disconnected After turning the swing flap ON and then stopping with the remote controller the voltage of X6A of the indoor unit PCB is 220 VAC when turned on again within 30 seconds of turning on again Replace the indoor unit PCB YES The connecting cable YES has no continuity Replace the power supply connecting cable NO When the airflow direction flap cam mechanism is disconnected from the swing motor operation is normal when turned on again NO Replace the swing motor YES Take the cam mechanism apart reassemble and turn on again 231 Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 6 55 Electronic Expansion Valve Malfunction Dust Clogging Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting 1 Q 25 125 Check coil conditi
476. th the 70 96 of rated power consumption Demand 1 level 60 of rated power consumption setting 70 96 of The power consumption set with Demand 1 level setting rated power consumption has been set at factory Image of operation in the case of A and B The power consumption can be set with the Demand 1 level setting 70 96 of rated power consumption has __ S S S S U US S S D ___ been set at factory Power consumption Rated power consumption 80 of rated power consumption 70 of rated power consumption 60 of rated power consumption The power consumption set with Demand 1 level setting 40 of rated power consumption XDemand level 2 instructing kDemand level 3 instructin continuous demand operation when the external demand instruction is received repeatedly the instruction with higher demand level has the precedence Forced thermostat OFF Fan operation Test Operation 186 Field Setting SiBE31 801 3 Detailed Setting Procedure of Low Noise Operation and Demand Control 1 Setting mode 1 H1P off In setting mode 2 push the BS1 MODE button one time Setting mode 1 is entered and H1P lights off During the setting mode 1 is displayed In low noise operation and In demand control are displayed Setting mode 2 H1P on In setting 1 push and hold the BS1 MODE button for more than 5 seconds Setting mode 2
477. the other outdoor units as group slave units Set the outdoor unit external control adaptor 551 to BOTH factory setting or C H and SS2 to OFF factory setting External control pn for outdoor unit CENTRAL EX C H SELECT gt i MASTER SLAVE 9 9 C H n OUT MULTI MULTI A B C F2 1 Q2 selector To indoor unit Master unit Slave unit UN nn Multi F2 F1 Q1 Q2 910109091011 To indoor unit Ar 22 OQHSEECT e adele Q SELECTOR 10 OUT MULTI A C F1 F2 F1 22 Q1 Q2 cae 2212 E To indoor unit C H SELECT q I P 9 eO A B C F1 F2 F1 F2 Q1 02 Qo 2 Multi outdoor units connection 181 Test Operation SiBE31 801 Field Setting Supplementation on 3 and 4 DS2 051 External control adaptor No O DS2 051 External control adaptor No 2 When switching cool heat for each adaptor PCB with the use of more than one adaptor PCB set the address of the external control adaptor for outdoor unit PCB DS1 and DS2 so that it matches the unified cool heat address of outdoor unit main PCB
478. this does not apply to the On Off button Main Menu Set temp mode changeover Airflow direction e Quick Cool Heat On Off Ventilation Timer setting e Service Contact Model Info e Convenient functions e Setting status list Clock setting Language changeover MainMenu Set temp mode changeover Airflow Direction Quick Cool Heat On Off ventilation Timer setting Service Contact Model Info AlICIRe turn Setting Main Menu screen Basic Screen Operation mode changeover e Fan speed control Menu display e Confirmation of each setting On Off Cancel e Operation lamp bees once Press Cancel ap canoe once BL a Set temperature 292 Press Cancel button for 4 seconds or more Press Cancel Basic screen Mr once Press Cancel Press Field setting Test operation ON OFF Register Service Contract Field setting list Group setting Indoor unit Airnet Mo set Dutdoor unit Airnet Mo set 4CRe turn Field Setting screen Setting lt Field Setting Menu gt e Test operation ON OFF e Register Service Contract Field setting list e Group No setting e Indoor unit AIRNET No set e Outdoor unit AIRNET No set e Error record e Indoor status display Outdoor status display e Fan forced operation ON Main Sub changeover Filter element sign OFF Troubleshooting Service menu Press
479. ting by Indication on the Remote Controller SiBE31 801 Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred heck if indoor unit PCB or outdoor unit PCB has YES been replaced Or check Press the rewiring button on the if indoor outdoor main PCB of the master outdoor outdoor outdoor unit Keep pressing for 5 seconds onnecting wires are or more Operation does not start normal for a maximum 12 minutes NO Check if all the indoor NO Check if the indoor YES remote controllers within outdoor outdoor outdoor Replace the indoor unit PCB he same refrigerant circuit connecting wires are display u normal YES NO Correct the connecting wires Reset the power supply here Check if the normal condition NO Check if the monitor for the micro computer between RS terminals on Correct the voltage 200V HAP on the outdoor unit PCB the outdoor unit PCB is blinks 200V YES YES The fuse on the YES preparation mode H2P outdoor unit PCB Replace the fuse on the outdoor unit PC is blown blink J N E Replace the outdoor unit PCB Es Press the rewiring button on the or more main PCB of the outdoor unit Keep pressing for 5 seconds or more Check if the indoor NO outdoor outdoor outdoor Correct the connecting wires connecting wires are normal YES Check if the operation i
480. tion decision Operation by which this malfunction is determined The system makes a stop and the remote controller displays the relevant Malfunction code Function 84 Standby SiBE31 801 C 3 Standby 3 1 Restart Standby This function is used to forcedly turn OFF the thermostat for a period of 2 minutes after a compressor stops running in order to prevent the frequent ON OFF operations of the compressor and equalize pressure in the refrigerant circuit Furthermore the outdoor fan continues residual operation for a while to facilitate pressure equalization and prevent the stay of refrigerant in evaporator Elect Operation bed Compressori X OF O C e e m m ___ OFF Compressor 3 NEM CHEM Ta gt 30 C Ta gt 30 C Ta gt 30 C STEP4 pisci s lt 30 OFF lt 30 OFF lt 30 OFF Ta gt 30 C STEP4 Electronic expansion valve vM 0 pls Electronic expansion valve Electronic expansion valve Refrigerant charge 80 pls Solenoid valve SVG regulator gas purging pipe Four way valve Solenoid valve SVL liquid Solenoid valve Main mmm Solenoid valve Refrigerant Solenoid valve Refrigerant regulator discharge pipe Four way valve 1 Ending conditions min 3 2 Crankcase Heater Control In order to prevent the refrigerant from melting in the compressor oil in the
481. tion in 6 2 1 Compressor PI Control RTSYQ10P 6 s OFF s sn OFF s _ OFF m s 22 e ON 25 ON Ca ON a rz ON 25 ON a sn ON 29 29 ON o ON amp ON a _ a5 ON 56 ON sw ON 77 ON ON 40 ON ai ON 1 Upper limit frequency for single stage compression 2 Upper limit frequency for two stage compression in 50 Hz districts Function RTSYQ14 16 e s OFF s snm OFF OFE s rz OFF OFE m s ON 2 ON OFE 2 ON OFE Ca ON 25 ON OFE 25 ON OFE Ca sn ON 29 ON OFE 2 ON OFE 79 ON wen ON OFE 9 wn ov OFE 39 rz ON ov OFE 39 e on OFE 7 ON o ON OFE ON o oN ON _ OW Ca ON sn ON Ov ON ON 746 ON ON on ON ar Ov ON 4 ON ON n ON _ ON ON amp zen
482. tion listed in the table above Non operating units conduct the operation listed in the table above after the Oil returning process Non operating units stop while in Preparation mode Function Unit State of function units is same as Cooling operation of 6 1 2 Function Unit P 90 107 Function SiBE31 801 Special Control Indoor Units Elect symbol Indoor unit actuator operation during cooling oil return operation MM Thermo ON unit Remote controller setting Fan Unit not in operation Thermo OFF unit Remote controller setting Electronic expansion valve Unit not in operation Normal opening degree for forced thermostat ON Thermo OFF unit 224 pls Thermo ON unit Normal opening degree Y1E Function 108 Special Control 1 801 C 8 2 2 Heating Oil Return Operation Start conditions Referring to the following conditions start heating oil return operation e Integral oil rise rate 1 is reached to specified level e When cumulative compressor operating time exceeds 8 hours 2 hours when the power supply turns ON for the first time 1 The integral oil rise rate The higher the compressor operating step No the cumulative refrigerant oil consumption increases Outdoor unit Actuator Elect In preparation In oil return After oil return operation Actuator Step 1 Step 2 operation Step 1 Step 2 Increase the 2 operating Compressor 1 52 Hz RTSQ1
483. tion of Confirmation of malfunction 3 malfunction 4 ooeeeoeoocoeooQ0 Is the model BP connected Connect the indoor units correctly Replace the outdoor unit PCB 315 Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 54 i Address Duplication of Centralized Controller Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting All indoor unit models Centralized controller The principal indoor unit detects the same address as that of its own on any other indoor unit The malfunction decision is made as soon as the abnormality aforementioned is detected B Address duplication of centralized controller Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred The centralized address is Make setting change so that duplicated the centralized address will not be duplicated 316 Troubleshooting by Indication on the Remote Controller 51 1 801 C 4 55 ue Malfunction of Transmission between Centralized Controller and Indoor Unit Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes 317 gt All models of indoor units intelligent Touch Controller Centralized controller
484. tor Replace the corresponding fan motor Replace the fan inverter PCB Replace the fan motor 2 Troubleshooting SiBE31 801 C Troubleshooting by Indication on the Remote Controller 4 20 5 Outdoor Unit Malfunction of Electronic Expansion Valve Coil Y1E Y5E Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting a b RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit Check disconnection of connector Check continuity of electronic expansion valve No current is detected in the common COM when power supply is ON m Disconnection of connectors for electronic expansion valve Y1E m Defect of electronic expansion valve coil B Defect of outdoor unit main PCB A1P 254 Troubleshooting by Indication on the Remote Controller 51 1 801 C Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Turn power supply off and turn power supply on again YES Return to normal External factor other than malfunction for example noise NO etc Check the electronic expansion valve corresponding to the malfunction code 2 the monitor mode Refer to P 216 217 for how to check O When Confirmation of malfunction 4 shows as follows lalo o e e x x Electronic expansion valve for main use
485. tor and operate unit again s the resistance measured after removing the thermistor R7T from outdoor unit PCB normal 1 8kQ to 800kQ Replace the thermistor R7T Replace the outdoor unit PCB A1P Refer to Thermistor Resistance Temperature Characteristics table on P 408 268 Troubleshooting by Indication on the Remote Controller 51 1 801 C 4 32 Outdoor Unit Malfunction of Subcooling Heat Exchanger Gas Pipe Thermistor R5T HI Remote 12 Controller Display Applicable RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit Models Method of Malfunction is detected according to the temperature detected by subcooling heat exchanger Malfunction gas pipe thermistor Detection Malfunction When the subcooling heat exchanger gas pipe thermistor is short circuited or open circuited Decision Conditions Supposed m Faulty subcooling heat exchanger gas pipe thermistor R5T Causes m Faulty outdoor unit PCB Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred s the connector for subcooling heat exchanger gas pipe thermistor connected to on outdoor unit PCB A1P Connect the connector and operate the unit again Is the resistance measured after removing the thermistor R5T from outdoor unit PCB normal 1 8kQ to 800kQ Replace the thermistor R5T Replace the outdoor unit
486. troller thermistor 14 16 18 20 22 24 26 28 30 Air temperature 155 Test Operation SiBE31 801 C Field Setting 4 Filter Cleaning Displayed or Not Displayed Whether or not to display Filter Cleaning after operation of certain duration can be selected First Code No Second Code No Filter Cleaning display Displa DOO 01 O o masy 5 Airflow Adjustment AUTO External Static Pressure Settings Make settings in either method a or method b as explained below a Use the airflow auto adjustment function to make settings Airflow auto adjustment The volume of blow off air is automatically adjusted to the rated quantity b Select External Static Pressure with Remote Controller Check that 01 OFF is set for the SECOND CODE NO in MODE NO 21 for airflow adjustment on an indoor unit basis in Table 4 The SECOND CODE NO is set to 01 OFF at factory setting Change the SECOND CODE NO as shown in Table according to the external static pressure of the duct to be connected First Code Second Code No Airflow adjustment 11 21 7 Completion of airflow adjustment Start of airflow adjustment 6 Optional Output Switching Using this setting operation output signal and abnormal output signal can be provided Output signal is output between terminals K1 and K2 of customized wiring adaptor an optional accessory First Code No Second Code No Indoor unit thermost
487. ts residual operation for a period of 5 min 4 If the evaporator inlet temperature is kept at not more than 5 C for a period of cumulative 10 min or not more than 1 C for a cumulative period of 40 min frost prevention operation will be conducted If the evaporator inlet temperature is kept at not less than 7 C for a consecutive period of 10 min the frost prevention operation will be reset 5 Thermostat status Set temperature oN Suction air temperature a b 1 OFF a b 0 5 is only available for the FXCQ FXFQ FXHQ and FXKQ series 6 The FXCQ FXFQ FXKQ FXSQ series have the drain pump as standard equipment Function 114 Outline of Control Indoor Unit Micro computer dry operation Micro computer dry display 8 Thermosta status ON Fan Operating in L mode iP Fan Operating L mode after it stops for 6 min Electronic expansion valve Closed 20 Electronic 20E expansion valve 1 Superheated degree control Drain pump kit OFF after 5 min residual operation o 7 Micro computer dry display No set temperature and airflow rate of the remote controller are displayed 8 Thermostat status Set temperature when operating the micro computer dry mechanism EN Suction air temperature 9 Option Dump kit OFF Aux electric OFF heater Humidifier OFF qb Ye
488. ture is set to 27 C Differential value 0 C Differential value set to 4 C Set heating temp cooling temp 2 23 27 I 30 C Cooling mode 26 C NB Control temp Control temp Heating mode Heating mode Differential value set to 1 C Differential value set to 5 C Set heating temp Set cooling temp Set heating temp Set cooling temp 26 C 27 22 C 27 C 245 C 29 C Cooling mode 22 5 25 Cooling mode WERE Control temp Control temp Heating mode Heating mode Differential value set to 2 Differential value set to 6 Set heating temp Set cooling temp 25 27 24 28 Cooling mode Differential value set to 3 C Differential value set to 7 C Set heating temp Set cooling temp Set heating temp Set cooling temp 24 27 20 27 23 5 C Cooling mode ASO 29 Cooling mode Set heating temp Set cooling temp 27 22 24 Cooling mode Control temp Heating mode Heating mode EE Control temp Control temp Heating mode Heating mode Function 120 Outline of Control Indoor Unit SiBE31 801 9 3 Drain Pump Control 1 The drain pump is controlled by the ON OFF buttons 4 button 1 4 given in the figure below 9 3 1 When the Float Switch is Tripped while the Cooling Thermostat is ON Remote controller A3 flashing malfunction stop L Thermostat running OFF
489. ture range the initial refrigerant detection has failed test operation again In case the unit was operating out of the instructed temperature range the unit can still be operated normally but the leak detection function will not be available Perform the test operation again within the instructed temperature range m After correcting the abnormality press the BS3 RETURN button and reset the malfunction code m Carry out the test operation again and confirm that the abnormality is properly corrected Test Operation SiBE31 801 Test Operation 1 5 Checkin Normal Operation After all installation works are completed operate the unit normally and check the following d Note Test Operation Make sure the indoor units and outdoor unit are operating normally Operate each indoor unit separately and make sure the corresponding outdoor unit is also operating properly Check if cold or hot air is coming out from the indoor unit Push the fan direction and fan strength buttons on the remote controller to check if they are operating properly Heating is not possible if the outdoor temperature is 24 C or higher Refer to the operation manual If a knocking sound is heard in the liquid compression of the compressor stop the unit immediately and then energize the crankcase heater for a sufficient length of time before restarting the operation Once stopped the compressor will not restart in about 5 minute
490. ture sensor INV fin thermistor malfunction P4 malfunction Refer to Page 176 for Monitor mode Faulty combination of INV and fan Faulty combination of INV driver aam 06 Selection of setting item Reversed phase Reversed phase malfunction LOL Push the SET BS2 button and set Abnormal power supply voltage Insufficient INV voltage the LED display to a setting item INV open phase single phase open phase INV open phase single phase phase Abnormal charge of capacitor of INV main circuit Test run not carried out yet Test run not carried out yet rie por moe Faulty transmission between indoor IN OUT transmission malfunction and outdoor units System malfunction Faulty transmission between outdoor Malfunction caused when mounting Confirmation of malfunction 1 units the external control adaptor Push the RETURN BS3 button once Alarm given when mounting the to display First digit of malfunction external control adaptor code Malfunction caused between the master and the slave 1 Malfunction caused between the master and the slave 2 Multi RTSYQ models connected Faulty address setting of slaves 1 and 2 4 or more outdoor units connected in Confirmation of malfunction 2 the same system Erroneous address of slaves 1 and 2 Push ihe SET 852 5152 to Detail Disconnection of function unit display Second digit of malfunction des
491. type code VRV system New ceiling suspended cassette Moe _ 5 Waimumed t Pea Com FPO Celing suspended EN A Concealed ceiling FXSQ Floor standing FXLQ Concealed coing PQ _ i Owemlorsmieips _ amp 00x600 4wey bow _ 3 Sim concealed ceing FXO Outdoor model code High COP type R 407C L Series Heat Pump Series Cooling Only Series RTSYO P ELI EEES ERI BBE VRVIMC RXYOMA ASE 210 Troubleshooting by Remote Controller 1 801 C 3 6 Test Run Mode Operating the INSPECTION TEST button on the remote controller will make it possible to put the system into test run mode 1 Test run mode setting The test run mode setting can be made by conducting the following operation Normal operation mode Test run mode Press the 5 button 4 times Press the ON OFF button after the completion of test run mode setting and a test run starts The remote controller will display TEST RUN on it 3 Remote Controller Self Diagnosis Function The following will be displayed on the screen when a malfunction or a warning occurs during operation Check the malfunction code and take the corrective action specified for the particular model WDAIKIN Screen Operati
492. uantity of refrigerant charged charge The following method is available for additional charging of refrigerant 4 1 Calculate additional refrigerant quantity e Calculate a necessary additional refrigerant charging amount according to the procedure for calculation shown below Procedure for calculating additional refrigerant charging amount Unit 0 1 kg en length of 022 2 mm gt 0 37 Total length of liquid pipe Total length of 619 1 mm 0 26 iS mm 0 18 liquid pipe liquid pipe Total length of 12 7 0 12 485 length of liquid pipe 9 5 gt 0 059 984 length of liquid pipe 06 4 gt 0 022 liquid pipe Correction amount with indoor unit System name Model RTSYQ10PY1 Model RTSYQ14PY1 1 3kg Model RTSYQ16PY1 2 3kg Model RTSYQ20PY1 a If there is a refrigerant shortage charge a liquid refrigerant through the stop valve service port with the stop valves of liquid and those of gas closes after the completion of vacuum drying e If the refrigerant charging is still insufficient Additional Refrigerant Charge and Check Operation following the information on P 134 O Has the additional refrigerant charging amount been recorded on the Precautions for servicing label O Check to be sure the stop valves are under the following conditions Liquid pipe stop Equalizing pipe Gas pipe stop 131 Test Operation SiBE31 801 C 1 2 2 Turn Power
493. ulty indoor unit low pressure Low omg electronic evaporating If the indoor unit expansion valve temperature electronic expansion valve is excessively throttled See 3 Faulty control Faulty outdoor unit electronic expansion valve In heating If the outdoor unit electronic expansion valve excessively control throttled See 4 In cooling Low suction air temperature of indoor unit In heating High pipe resistance Degradation in condensing capacity Faulty control PCB Faulty valve coil Faulty valve body thermistor of indoor unit liquid pipe thermistor Faulty suction air thermistor of indoor unit Clogging of foreign particles Stop valve closed Inadequate refrigerant quantity Moisture choke Dirty evaporator lt Refer to P293 lt Are the electrical characteristics normal 15 the pressure value checked with the Service Checker corresponding to the measurement of the pressure sensor lt Are the electrical characteristics normal lt Are the coil resistance and insulation normal lt 15 the pressure value checked with the Service Checker corresponding to the measurement of the pressure sensor lt Are the coil resistance and insulation normal lt Check for the thermistor resistance and connection lt Check for the thermistor resistance and connection lt 15 the pressure value checked with the Service Checker corr
494. und of a solenoid valve may become loud and the LED display may change but these are not malfunctions B During the test operation it is not possible to stop the unit operation from a remote controller To abort the operation press the BS3 RETURN button The unit will stop after 30 seconds 6 Close the front panel in order to let it not be the cause of misjudgement 7 Check the test operation results by the LED display on the outdoor unit H1P H2P H5P H6P H7P Normal completion O e e O O e o 8 When the test operation is fully completed normal operation will be possible after 5 minutes Otherwise refer to Correcting after abnormal completion of the check operation on page 145 to take actions for correcting the abnormality Abnormal completion Correcting after abnormal completion of the check operation The test operation is only completed if there is no malfunction code displayed on the remote controller In case of a displayed malfunction code perform the following actions to correct the abnormality 1 4 2 Confirm the Malfunction Code on the Remote Controller Installation error Error code Remedial action The stop valve of an outdoor rs 4 23 Open the stop valve unit is left closed o v EK Vi Vi a The phases of the power to the outdoor unit is reversed No power is supplied to an outdoor or ind
495. unit has started operation This is not a malfunction 1 3 1 Connection of Devices for Refrigerant Charge Charge hose Equalizer pipe stop valve Outdoor Outdoor Gas pipe stop valve uhit A unit p Function unit Gas pipe Liquid pipe stop valve service port L dua Refrigerant charge port Liquid pipe X Py CN service port gt valve D GM ue 7 Measuring Bd 7 Vis M To indoor unit device x B emen H 410A tank ciues BI ipi m anyan gt ver Line valve Field pipings DX Stop valve gt Refrigerant flow Service port o Line valve 1 3 22 Additional Charging of Refrigerant 135 Pre charging To speed up the process of charging refrigerant for large systems it is recommended to first manually charge a portion of the refrigerant first before performing automatic charging 1 Calculate how much refrigerant to be added using the formula explained in the chapter How to calculate the additional refrigerant to be charged on P 131 2 he amount of pre charging is 10 kg less than the calculated amount 3 Open the valve B in the above figure The valves A and C and the outdoor unit stop valves are to be kept closed and additionally charge refrigerant from the function unit liquid pipe Service port 4 After fully charged close the valve B Test Operation SiBE31 801 d Note Test Operation When the leak detection function
496. unit is Slave in a lump NO Replace the main PCB of the outdoor unit A1P YES Check if the normal condition monitor LED for the outdoor unit main PCB blinks Check if the outdoor unit is powered on NO NO Supply power to the outdoor unit YES YES Replace the main PCB of the outdoor unit A1P Check if the norma condition monitor LED for the external control adaptor for outdoor unit blinks Check if the power supply wire for the external control adaptor for outdoor unit is connected to 5V supply line NO Connect the power supply wire for the external control adaptor for outdoor unit to 5V supply line et the cooling heating switch of the external control adaptor for outdoor unit to individual Then check if the failure occurs again Replace the PCB of the external control adaptor for outdoor unit YES Replace the main PCB of the outdoor unit A1P 306 Troubleshooting by Indication on the Remote Controller 51 1 801 C Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 3 Confirmation of Confirmation of malfunction 3 malfunction 4 ooeeeeeooocoeo0 heck the connection status 0 connecting wires of Multi Slave 1 with outdoor multi Check if the wiring is disconnected or is about to be disconnected Correct the connecti
497. upposed Causes Troubleshooting con L al RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit Abnormality is detected when the contact of the high pressure protection switch opens Error is generated when the high pressure switch activation count reaches the number specific to the operation mode Reference Operating pressure of high pressure switch Operating pressure 4 0MPa Heset pressure 3 0MPa Actuation of outdoor unit high pressure switch Defect of high pressure switch Defect of outdoor unit main PCB A1P Instantaneous power failure Faulty high pressure sensor 244 Troubleshooting by Indication on the Remote Controller 51 1 801 C Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred While in monitor mode check the outdoor unit and the function unit concerned Check for the points shown below 1 5 the stop valve open 2 15 the high pressure switch connector properly connected to the main PCB 3 Does the high pressure switch have continuity Are the three points above OK NO Rectify the defective points if any YES 1 Mount a pressure gauge on the high pressure service port 2 Reset the operation using the remote controller and then restart the operation s the high pressure switch operating value normal Does the stop due to malfunction recur Replac
498. urrent sensor or outdoor unit PCB 262 Troubleshooting by Indication on the Remote Controller 51 1 801 C 4 26 2 Outdoor Unit Malfunction of Discharge Pipe Thermistor R31T R32T R33T m i Remote 12 Controller Display Applicable RTSQ8P 16P Outdoor Unit BTSQ20P Function Unit Models Method of Malfunction is detected from the temperature detected by discharge pipe temperature Malfunction thermistor Detection Malfunction When a short circuit or an open circuit in the discharge pipe temperature thermistor is detected Decision Conditions Supposed B Defect of thermistor R31T R32T R33T for outdoor unit discharge pipe Causes B Defect of outdoor unit PCB A1P B Defect of thermistor connection Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Confirm which discharge thermistor is abnormal using outdoor unit monitor mode Refer to P 216 217 Connector is connected to X29A of outdoor unit PCB A1P NO Connect the connector and turn on again YES Resistance is normal when measured after disconnecting the thermistor R31 32T or R33T from the outdoor unit PCB 2 5kQ to 1 3kQ NO Replace the thermistor R31 32T or R33T YES Replace the outdoor unit PCB The alarm indicator is displayed when the fan is being used also Refer to Thermistor Resistance
499. ush the SET BS2 button once to E confirmation 2 display master Or SANE Rise in INV radiation fin temperature Overheat of INV radiation fin temperature and malfunction location DC output overcurrent INV compressor outdoor unit INV compressor function unit Electronic thermal Electronic thermal 1 Electronic thermal 2 Loss of synchronization Speed degradation after startup Thunder detected _______ Push the RETURN B55 button and Stall prevention ime fimi T Confirmation of malfunction 3 Push the SET BS2 button once to display malfunction location switches to the initial status of Stall prevention startup failure prevention EE failure Monitor mode Abnormal Abnormal starting waveform waveform Loss of Loss of synchronization INV transmission malfunction INV transmission data malfunction INV transmission malfunction Push the MODE BS1 button and returns to Setting mode 1 D Blink e OFF Troubleshooting 216 Troubleshooting by Remote Controller 1 801 C OFF o 2 Blink Malfunction Confirmation of malfunction 1 Check 1 Confirmation of malfunction 2 Check 2 Confirmation of malfunction 3 Check 3 Confirmation of malfunction 4 Check 4 code E1 9 E5 E6 ae zi I c NE
500. utdoor Unit Symbol Normal Cooling Normal Heating PI control High pressure protection PI control High pressure protection Low pressure protection Low pressure protection Td protection INV protection Td protection INV protection Outdoor unit fan 1 Outdoor unit fan 2 Cooling fan control Fan step No 7 or No 8 Electronic expansion valve Electronic expansion valve Electronic expansion valve Refrigerant charge 80 pls 80 pls Solenoid valve Refrigerant regulator gas purging pipe ON for refrigerant recovery ON for refrigerant recovery Four way valve Solenoid valve Refrigerant regulator liquid pipe ON for refrigerant recovery ON for refrigerant recovery Y7S Y8S Y2S Solenoid valve Hot gas Solenoid valve Main bypass UE 2 svo ws ON for refrigerant discharge ON for refrigerant discharge Solenoid valve Refrigerant regulator discharge pipe Svr ws ON for oil level control ON for oil level control Four way valve High low 6 1 2 Function Unit Heating operation Part name Electric symbol Cooling operation Low outdoor ail temp PI contro Cooling fan Cooling fan control Discharge Liquid injection pls 0 pls superheated degree control ectronic expansion valve Two stage Y2E1 0 pls 0 pls 760 pls fully open switching 1 Two Hot gas Two stage OFF OFF Solenoid valve Bypass On On N ON ON Bypass 2 v Liquidineswidh YsS oF Jon OF
501. y but please mount it in the duct system of the suction side Select its colorimetric method gravity method 50 or more Specifications 36 Specifications SiBE31 801 C 14 TECHNICAL SPECIFICATIONS com 99 m w 160 edm 80 too 9s o 30 Power inp eg mm wawa u wan m 3 9 e Heat Dimensions FaceArea 0 249 0 249 0 383 0 383 0 383 Nr NrofStages NrofStages Fan __ fan Hifi Fate Low 6 20 1 5 832 Eee mec m m m 3 pressure 5 fe So Direct drive Piping Ob Flare connection connections Fare connection SSS Diameter m 99 99 99 99 Religeran cont Temperature corr s s Standard Accessoris Notes Nominal cooling based on following conditions return air temperature 27 CDB 19 CWB outdoor temperature 35 CDB standard external static pressure 100Pa equivalent refrigerant piping 7 5m horizontal Nominal heating capacities are based on following conditions return air temperature 20 outdoor temperature 7 CDB 6 CWB standard external static pressure 100Pa equivalent refrigerant piping 7 5 horizontal Capacities are net including
502. y sold Outdoor unit multi connection piping kit 56 For how to select the proper kit follow the table at right Outdoor system capacity type Refrigerant branch kit name 10HP type KHRP26A33T 14 20HP type KHRP26A72T e Choose the REFNET joints other than the first branch from the following table in accordance with the total capacity index of all the indoor units connected below the REFNET joint Indoor unit total capacity index Refrigerant branch kit name 26 22 200 x x lt 290 KHRP26A33T 290 lt x lt 640 KHRP26A72T Example for indoor units connected downstream Pipe size selection Example REFNET joint Indoor units 3 4 5 6 1 7 8 Piping between outdoor unit 2 and refrigerant branch kit part A e Choose from the following table in accordance with the outdoor unit system The thickness of the pipes in the table shows capacity type unit mm the requirements of Japanese High Pressure Gas Control low As of Jan 2003 The thickness and material shall be selected in accordance with local code AN Outdoor system Piping size O D pipe 0222 14 16HP type 912 7 28 20 type 59 Piping between outdoor unit multi connection piping kit and outdoor unit part B e Choose from the following table in accordance with the capacity type of the outdoor unit connected unit mm Piping size O D Liquid pipe
503. yed And SECOND CODE NO means function 5 Highlight SECOND CODE NO of the FIRST CODE NO to be changed and select desired SECOND CODE NO by using A Y Up Down button Multiple identical mode number settings are available In the case of group total setting all of SECOND CODE NO which may be set are displayed as is changed to SECOND CODE NO to be set And SECOND CODE NO means no function 148 Field Setting St Setting confirmation screen Field setting list Is it settled by setting 5 HRe turn Setting Press Menu Enter button Setting confirmation NCAUTION SiBE31 801 C 6 Press Menu Enter button Setting confirmation screen is displayed 7 Select and press Menu Enter button Setting details are determined and field setting list screen returns 8 In the case of multiple setting changes repeat 3 to 7 9 After all setting changes are com pleted press Cancel button twice 10 Backlight goes out and Connection under check Please wait for a moment is displayed for initialization After the initialization the basic screen returns e When an optional accessory is installed on the indoor unit settings of the indoor unit may be changed See the manual of the optional accessory e For field setting details of the outdoor unit see installation manual attached to the outdoor unit 149
504. ystem Outdoor unit RTSQ10PY1 B 1GHP System Outdoor unit RTSQ16PY1 General Information RTSYQ10PY1 Function unit BTSQ20PY1 RTSYQ16PY1 Function unit BTSQ20PY1 B 14HP System RTSYQ14PY1 Outdoor unit RTSQ14PY1 B 20HP System HTSYQ20PY 1 Outdoor unit 1 RTSQ8PY 1 T JEFFRI Outdoor unit 2 RTSQ12PY1 Function unit BTSQ20PY1 Function unit BTSQ20PY1 Model Selection SIBE31 801 C 3 Model Selection VRV Heat Pump Series Connectable indoor units number and capacity fOutdoorunt2 ____ __ BTSQ20PY1 BTSQ20PY1 BTSQ20PY1 BTSQ20PY1 Total number of connectable Total capacity of connectable indoor units kW 14 0 36 4 22 0 52 0 22 5 58 5 28 0 72 8 Connectable Indoor Unit Power Roundflow Ceiling Mounted FXFQ 20P8 25P8 32P8 40P8 50P8 63P8 80P8 100P8 125P8 600x600 4 Way Blow Ceiling Mounted FXZQ 20 9 25 9 32M9 40M9 50M9 V1B Cassette 2 Way Blow Ceiling Ceiling Mounted me mama gt oe e pee que 20PB 25PB 32PB VE Slim Concealed Ceiling PBVE 2 PNE FXDQ Nove ci sa bas NR Gl sl Concealed Ceiling Unit 20P Q 20P Concealed Ceiling Unit ae ew

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