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1. Stop valve closed Check to be sure the stop valve is open Local High pipe pressure resistance Bent or crashed pipe lt Conduct visual checks for pipe conditions Clogging of foreign ls there any temperature difference caused In cooling particles before and after the filter or branch pipe If the outdoor unit electronic Faulty outdoor Faulty valve coil lt Are the coil resistance and insulation normal expansion valve is throttled unit electronic See 1 expansion valve A temperature difference in excess of 10 C between Rise high the inlet and the outlet is deemed to be abnormal earns fare high pressure sensor lt the electrical characteristics normal pressure Faulty ty high control Faulty control PCB lt ls the pressure value checked with the Service Checker Faulty high corresponding to the measurement of the pressure sensor POOL Faulty indoor Faulty valve coil lt Are the coil resistance and insulation unit electronic normal expansion valve Faulty valve body Faulty high pressure sensor l
2. in cooing Faulty Are the electrical characteristi p See 1 Faulty aulty low pressure sensor Are the electrical characteristics normal compressor i i Faulty low Faulty control PCB lt ls the pressure value checked with the Service Checker m pressure control corresponding to the measurement of the pressure sensor control Faulty low pressure sensor Are the electrical characteristics normal Faulty low pressure i lt Are the coil resistance and insulation normal In both cooling protection Faulty hot gas solenoid valve i oe RN and heating Faulty control PCB lt ls the pressure value checked with the Service Checker See 2 corresponding to the measurement of the pressure sensor Abnormally low In cool Faulty indoor i low pressure n cooling unit electronic Faulty valve coil lt Are the coil resistance and insulation normal Low evaporating H7 Ifthe indoor unit expansion valve temperature electronic Faulty valve body expansion valve is throttled too much Faulty gas pipe lt Check for the thermistor resistance and connection See 3 Faulty H thermistor of indoor unit control NW EE Fault
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6. 1 1 TECHNICAL SPECIFICATIONS FXFQ20P7VEB FXFQ25P7VEB FXFQ32P7VEB FXFQ40P7VEB FXFQ50P7VEB 4 Cooling kW 2 2 2 8 36 4 5 5 6 Capacity Heating kW 2 5 3 2 4 0 5 0 6 3 Cooling kW 0 053 0 053 0 053 0 063 0 083 Power Input Heating kW 0 045 0 045 0 045 0 055 0 067 Casing Material Galvanised steel Height mm 220 220 220 220 220 Packing Width mm 882 882 882 882 882 Depth mm 882 882 882 882 882 Dimensions Height mm 204 204 204 204 204 Unit Width mm 840 840 840 840 840 Depth mm 840 840 840 840 840 Unit kg 20 0 20 0 20 0 20 0 21 0 Weight Packed Unit kg 24 0 24 0 24 0 24 0 26 0 mm 2 096 Dimensions Length Outside mm 2 152 Nr of Rows 2 2 2 2 2 Fin Pitch mm 1 2 1 2 1 2 1 2 1 2 Nr of Passes 2 2 3 3 7 Heat Dimensions Area m 0 267 0 267 0 267 0 267 0 357 Exchanger Nr of Stages 6 6 6 6 8 Empty Tubeplate Hole 4 4 Fin Fin type Cross fin coil Multi louver fins and Hi XSS tubes Type Turbo fan Fan Quantity 1 1 1 1 1 High m min 12 5 12 5 12 5 13 5 15 5 Cooling Low m min 9 0 9 0 9 0 9 0 10 0 Air Flow Rate High m min 12 5 12 5 12 5 13 5 15 0 Heating Low m min 9 0 9 0 9 0 9 0 9 5 Model QTS48D11M Fan Motor Steps 2 2 2 2 2 Output high Ww 56 56 56 56 56 Refrigerant Name R 410A Sound Sound Level Cooling
7. 3 5 o 0 9 p E 0 5 lt 09090 5 9 i Li Bou i BES __ 5 3 N 2 ct gm s TP2 o 2 22229 2 254 Method of Replacing the Inverter s Power Transistors Modules SiENBE34 802 Inverter PC board RXYSQA 5 6PA7V1B XI nik B FE C d I oa mD4 c Mix SEN 2 4 n ri 5 x EIE 255 Appendix Method of Replacing the Inverter s Power Transistors Modules SiENBE34 802 Power module checking When using the digital type of multiple tester make measurement in diode check mode Tester terminal Criterion Remark C U Not less than 0 3V It may take time to V including determine the voltage due to capacitor charge or else U C Not less than 0 3V V including Ww U C 0 3 to 0 7V V including W C U 0 3 to 0 7V V including Ww There needs to be none of each value variation The following abnormalities are also doubted besides the PC board abnormality e Faulty compressor ground fault ground leakage Faulty fan motor gr
8. Jojejnunooy ainssaud plousjoc eqn Aedes 2 1914 aqn Herden 195 P ge AAJEA PlOUg OS E 5 j Jn d HNH Josuas l 108095 alnssaud M0 a eunsseJd ufi uod edes gt 1 INH pod aJa auld C D anea v JeGueyoxe ok Buea 1eay uolsuedxa 9 jeau 2100 099 edid uolsuedxa 2100999 RXYSQ4 5 6PA7V1B SiENBE34 802 Appendix Piping Diagrams SiENBE34 802 1 2 Indoor Unit FXCQ FXFQ FXZQ FXKQ FXSQ FXMQ FXHQ FXAQ FXLQ FXNQ LL C Filter i expansion valve Electronic Filter Gas piping connection port Flare connection 15 9 or less Attached piping Above 19 1 Liquid piping connection port Flare connection Code Name Code Main function Used for gas superheated degree control while in 1 Electronic expansion valve 1 cooling operation or subcooled degree control while in heating operation 2 temperature R1T Used for thermostat control Used for gas superheated degree control while in 3 Liquid pipe R2T cooling operation or subcooled degree control while in heating operation 5 Used for gas superheated degree cont
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10. 1 1 TECHNICAL SPECIFICATIONS RXYSQ4PA7V1B RXYSQ5PA7V1B RXYSQ6PA7V1B Cooling kW 11 2 14 0 15 5 Capacity Heating kW 12 5 16 0 18 0 Cooling 3 99 3 99 3 42 COP Heating 4 56 4 15 3 94 Capacity range HP 4 5 6 PED category Category Max n of indoor units to be connected 6 8 9 Indoor index Minimum 50 62 5 70 connection Maximum 130 162 5 182 Colour Daikin White Casing Material Painted galvanised steel Height 1 524 Packing Width 980 980 980 k Depth mm 420 420 420 Dimensions Height 1 345 Unit Width 900 900 900 Depth 320 320 320 Unit kg 120 120 120 Weight Packed Unit kg 130 130 130 4 Material Carton wood EPS Packing Weight kg 8 8 8 Length 857 857 857 Nr of Rows 2 2 2 Fin Pitch mm 2 2 2 Dimensions Nr of Passes 10 10 10 Heat 2 Exchanger Face Area m 1 131 Nr of Stages 60 60 60 Tube type Hi XSS 8 Fi Fin type Non symmetric waffle louvre in Treatment Corrosion resistant Type Propeller Quantity 2 2 2 Air Flow Rate Cooling m min 106 106 106 Fan nominal at 230V Heating m min 102 105 105 Discharge direction Horizontal Quantity 2 2 2 Motor Model Brushless DC motor Cooling rpm 850 815 Motor Speed Spp nominal Heating rpm 820 785 840 805 840 805 Drive Direct drive Fan Motor Output motor 70 70 70 Quantity 1 1 1 Quantity 1 1 1 Model J
11. ON e OFF 9 Blink Push the SET BS2 button to set COOLMEAT select Low MODE TEST Demand the blinking of LED to any of 7 Setting displaying item Hip Hop IND MASTER SLAVE noise conditions shown on the right H3P H4P H5P H6P For selection by individual outdoor unit factory set e e e e e For selection in a batch of outdoor unit group with master unit For selection in a batch of outdoor unit group with slave unit e e Push the RETURN BS3 button to Pushing the RETURN BS3 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 select wm mode other than that push the TEST Demand IND MASTER SLAVE noise MODE BS1 button to set th ODE 51 u on 198 H1P H2P H3P HEP H7P system to Setting mode 1 e e O e e e e Check the system for each condition through LED displays Refer to T information in table on the right unit Pushing the RETURN BS3 button will bring the system to the initial state of Setting mode 1 Normal l y g
12. NOILVTIVLSNI SHL OL H333H NI HOLO3NNOO OO TWNIIAHLL 4 sho MONEE SLOWSY A8 03103795 NYO SALON SONO B eH JOH NOO 44O NO HO 440 3diS1n0 D gi LINN dev S3HIM LONI 3HL 5NLLO3NNOO 9 fe 10H1NOO LINDUIO dev 1NOHJ 3ais 1OH1NOO SLOWSY OL Jerr GSHOVLLV LINN AV1dSIG H3AISO3Y NIX TOINOD 113 EU m ES 22 Od 2 Nix aly dVH NOISNYdX3 12218 SLA 55 000009 0000000 z ALON VSIX V9EX VOZX 42018 WWNINHAL ALONBY WELNGO 13 yogy Sube Ns NX WEX ONIHIM NOISSINSNYHL 24 NZX div 00 3dld SVD 1100 HOLSIINH3H LEY 3ISLNO ZINA Ji 8 ALON rese x AINON 1109 HOLSIWH3HL 12H S 31ON 3081NOO oa N N HOLSINYAHL 119 LINN AVIdSIC HAAIZOSH a 7 SNIMS HOLON SEW VIX VIX yrex eS VEN aay OQ OQ HOOGNI HOLOW _ 4 e 9r m 2 e Fa T G ZH09 ZHOS N3399 30825
13. 185 3 38 L8 Outdoor Unit Inverter Start up 186 3 39 LC Outdoor Unit Malfunction of Transmission between Inverter and Control PC Board 187 3 40 PT Outdoor Unit High Voltage of Capacitor in Main Inverter Circuit 188 3 41 UC Low Pressure Drop Due to Refrigerant Shortage or Elecironie Expansion Valve 189 3 42 Uc Power Supply Insufficient or Instantaneous Failure 191 3 43 3 Check Operation not Executed 193 3 44 Malfunction of Transmission between Indoor Units Outdoor UNMS 4 a tt e o ohh Ge eene ber tr riae ils ets 194 3 45 US Malfunction of Transmission between Remote Control and Indoor dace ttes dece AT 196 3 46 U8 Malfunction of Transmission between Main and Sub Remote Controls 2 niei ctt atas dee DeL ope da 197 3 47 US Malfunction of Transmission between Indoor and Outdoor Units inthe Same System MM 198 3 48 UR Excessive Number of Indoor 200 3 49 UL Address Duplication of Central Remote Control 201 3 50 UE Malfunction of Transmission between Central Remote Control and Indoor
14. seoipuedde 4aydepe 10 99UU09 YZX YLX dis NZX 1467 20 Jejdepe Buum 10 V8LX esnd nednia duis WIX asny 4 ned jeidepe 0 9 HAY 029 AOSZ esn4 _ ALS syed jeuondo 10 5 Aejas 4 HILL ue4 HLO duis WLX Bum Jo uey Aejas 14 4 pajud 237 Appendix Wiring Diagrams SiENBE34 802 FXSQ20M 25M 32M 40M 50M 63M8V3 1N 50Hz y 230V Nd 20 63 class ISTE Ari 22 71 class peration FZUB j l pai operation Terminals for operation indicator fey indoor Switch box Note 5 input EZ from outside Colors BLK Black Central remote BLU Blue control note 2 BRN Brown GRY Grey ORG Orange 6 Pink control RED Red Note 3 WHT White Seperate power supply YLW Yellow 1N 50Hz 230V BENZ Field wiring L Live N Neutral Connector 80 Wire clamp Protective earth screw 20 32 class 40 63 class
15. 14 Air flow direction adjustment Down flow o 15 operation Air flow direction adjustment range O 9 E m m m m m 16 Field set fan speed Q4 n xe E m 17 18 selection 1 Static pressure selection 92 Test Operation SiENBE34 802 Field Setting 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 Setting Filter Specs Standard Long Life Ultra Long Life Filter Contamination Light 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 Ultra long life filter is installed the filter sign timer setting must be changed Setting Table Mode No Setting Switch No Setting Position No Setting 01 Long Life Filter 10 20 1 02 Ultra Long Life Filter 1 03 3 Selection of Thermistor Select the thermistor to control room temperature Mode No First Code Second Code Thermistor that controls room temperature 01 Indoor air thermistor for remote control and suction air thermistor for indoor unit 10 20 2 02 Suction air thermistor for indoor unit 03 Thermistor for remote control The factory setting for the Secon
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17. Outdoor Units Type Model Name Power Supply Ceiling Mounted Cassette Type FXCQ 20M 25M 32M 40M 50M 63M 80M 125M V3 Double Flow Ceiling M ted Cassette type FXFQ 20 25 32 40P 50P 63 80 100P 125P VE Round Flow 600x600 Ceilin Mounted Cassette FXZQ 20M 25M 32M 40M 50M V1 Type Mult Flow Ceiling Mounted Cassette Corner FXKQ 25MA 32MA 40MA 63MA Type VE T FXDQ 20 25 32 40NA 50NA 63NA Slim Ceiling Mounted Duct ype PDQ 20me Ae Ceiling ted Bull Wee ed FXSQ 20M 25M 32M 40M 50M 63M 80M 100M 125M V3 Ceiling M ted Bact type FXMQ 40 50 63P 80P 100P 125P Type pended 2 63MA 100MA Woe FXAQ 20MA 25MA 32MA 40MA 50MA 6 VE Standing FXLQ 20MA 25MA 32MA 40MA 50MA C led FI Saed e FXNQ 20MA 25 32MA 40MA 50 63MA Ceiling S ded n 71MA 100MA 125 V1 Connection Unit MIA 100 12MA VE Note BEV unit is required for FXUQ only VE 1 220 240V 50Hz 16 220V 60Hz V1 16 220 240V 50Hz V3 16 230V 50Hz Series Model Name Power Supply Inverter Heat Pump RXYSQ 4PA 5PA 6PA Y1 V1
18. 72 6 7 Hot Start Control In Heating Operation 72 Function 47 Operation Mode SiENBE34 802 1 Operation Mode Operation in stop mode Indoor unit thermostat ON Indoor unit stop or thermostat OFF Pressure equalization rior to startu Startup control Cooling startup control Heating startup control Malfunction Standby Restart standby Indoor unit stop or N thermostat OFF Compressor stop J Indoor unit thermostat ON Pump down residual operation Malfunction Standby Normal operation Compressor PI control Electronic expansion valve PI control Protection control gt operation Cooling or heating Oil return IN conditions are met Defrost IN Operation mode change SN Indoor unit stop or Oil return operation conditions are met Defrosting operation Malfunction Standby thermostat OFF Malfunction Standby Yes f gt Yes gt Yes Note In the event indoor unit stops or the thermostat turns OFF while in oil return operation or E defrosting operation pump down residual operation is performed on completion of the oil return operation or defrosting operation V3152
19. 0 0 e a ES e e e J c e e e e e 2 e 1 5 E7 H9 F3 F6 J3 J5 J6 J7 J9 JA 5 L1 L4 L5 L8 L9 LC RELEVANT FEE ONES 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 detail 1 Master Slave1 Slave2 System e e Troubleshooting 139 Troubleshooting by Remote Control SiENBE34 802 Monitor mode To enter the monitor mode push the MODE BS1 button when in Setting mode 1 Selection of setting item Push the SET BS2 button and set the LED display to a setting item Confirmati
20. 202 3 51 Ur System is not Set Vel et eae e E Dri 204 3 52 UH Malfunction of System Refrigerant System Address Undefined 205 Troubleshooting by Indication on the Centralized Remote 206 4 1 UE Malfunction of Transmission between Centralized Remote Control and Indoor Unit 206 AD ar PO Board Defect coi tede meia a 207 4 3 18 Malfunction of Transmission between Optional Controllers for Centralized 208 4 4 Improper Combination of Optional Controllers for Control mem e dea enam here ttes 209 4 5 Address Duplication Improper 211 Troubleshooting by Indication on the Unified ON OFF Controller 212 5 1 Operation Lamp eere 212 5 2 Display Under Host Computer Integrate Control Blinks Repeats Sirgle BIIFe s ion ctii a tete eit onte 214 5 3 Display Under Host Computer Integrate Control Blinks Repeats Double pe tede 217 124 Troubleshooting SiENBE34 802 Symptom based Troubleshooting 1 Symptom based Troubleshooting Symptom Supposed Cause Countermeasure 1 The system does not start operation at all Blowout of fuse s Tur
21. H1P H2P H3P H5P H6P H7P LED indication e Factory setting BS1 BS2 BS3 BS4 BS5 MODE SET RETURN TEST RESET V2760 There are the following three setting modes Setting mode 1 H1P off Initial status when normal Also indicates during abnormal Setting mode 2 H1P Used to modify the operating status and to set program addresses etc Usually used in servicing the system Monitor mode H1P blinks Used to check the program made in Setting mode 2 Mode changing procedure Using the MODE button the modes can be changed as follows Push and hold the BS1 Setting mode 2 MODE o H1P Normal Push the BS1 MODE button MODE button for 5 seconds one time Setting mode 1 Push the BS1 MODE button one time e H1P MODE Blinking H1P V2761 Mode changing procedure Press BS1 MODE button for more than 5 sec r Setting mode 2 m Setting item selection Set Press BS3 y RETURN button Setting condition selection Set Press BS3 y RETURN button Setting condition Contents display Press BS3 RETURN button Press BS1 MODE button Y Setting mode 1 Initial condition Press BS1 MODE button Set Select mode wit
22. 61 M malfunction of capacity determination device 153 malfunction of discharge pipe thermistor r2t 175 malfunction of drain level control system 511 144 malfunction of high pressure sensor 180 malfunction of humidity sensor system 161 malfunction of inverter radiating fin temperature rise 183 malfunction of low pressure sensor 181 malfunction of moving part of electronic expansion valve 206 2 5 nope det eadein 150 malfunction of moving part of electronic expansion valve 1 170 malfunction of outdoor unit fan motor 169 malfunction of swing flap motor ma 147 malfunction of system refrigerant system address un defined ene RE 204 malfunction of thermistor r1t for outdoor air 174 malfunction of thermistor r1t for suction air 159 malfunction of thermistor r2t for heat exchanger 156 malfunction of thermistor r3t for gas pipes 157 malfunction of thermistor r3t r5t for suction pipe 1 2 HET 176 malfunction of thermistor r4t 179 malfunction of thermistor r6t 177 malfunction of thermistor r7t for outdoor unit liquid DIDG 178 malfunction of thermistor for discharge air 160 malfunction of thermosta
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24. RE Rer Ran 249 5 Thermistor Resistance Temperature Characteristics 251 6 Pressure Sensor otra m Re Ede VERE Na 253 7 Method of Replacing the Inverter s Power Transistors Modules 254 Appendix 221 SiENBE34 802 Piping Diagrams iagrams D Outdoor Uni RXYSQ4 5 6PA7Y1B 1 Piping 1 1 uonoeuuoo 6 79 epis uo yod eA eA 015 SS ae genus i Joyejnuinooy YouUMs eunsseud eqm piouelos Jossaidwog Joy eqn ud d 3 Medeo plousjog eqn Medeo Fri Josues Josues einsseJd Jod einsseJd INSS 1n04 ainssald 2 19114 JeDueuoxe yeoy 91004129 3 edid ejgnoq a uoisuedxe 1eoH 1 1 souls i i 1 i ee ee Appendix 222 Piping Diagrams ww 6 epis uo uod Bolas uy dOS 223 C 30052712
25. ull pesn s palesu y pejoeuuoo SI YEZX em el JenueuJ eui eouepjoooe Ul eui i 12euuoo ejoujeJ eseo ul X gt lt 658666660 f X dev 99999999 jo33u09 peueJjul 3 2 3 168 4 T i X 10 1e3depe 101200005 ueeJD Jeuut epoip Burua 167 pe uo eporp 1467 dH yo uO 158 pejuud dev peiuud dev pejeJjur qns ure A U91IMS 10129J9S LSS uv 11 e10UuJ8J paJlA syed jeuondo eseud 4 jeuruuer 160g YOO euru 10j2euuo 6 SE S JON
26. uox IS ul E i a ra 5 Q e mp 5 Es ee a lt a X Q x a ui a Oo x P 7 7 Q E a 2 5 e oo ee e E 6 B 5 c 5 2 8 6 c Dg 77 e lt o a T og 2 co rss 2 6g o 5 eS D 9 5 5 eose 2 Sages alg gt S Alg 212 gt mol 02 Hs 00 lt ows g E t5 5 I Fuss BASE EUIS QoS I Fela sHs Refrigerant Circuit 44 SiENBE34 802 Functional Parts Layout 22 RXYSQ4 5 6PA7V1B Birds eye view SOLENOID VALVE Se CONNECTOR COLOR BLACK HIGH VOLTAGE PRESSURE SENSOR HIGH LEAD WIRE CONNECTOR COLOR RED LOW VOLTAGE 4 WAY VALVE LEAD WIRE CONNECTOR COLOR BLUE HIGH VOLTAGE THERMISTOR SUCTION 1 MARKING COLOR RED THERMISTOR SUCTION 2 MARKING COLOR GREEN S1NPL PRESSURE SENSOR LOW CONNECTOR COLOR BLUE SOLENOID VALVE LEAD WIRE CONNECTOR COLOR PINK HIGH VOLTAGE S1PH PRESSURE SWITCH LEAD WIRE CONNECTOR COLOR WHITE HZD THERM
27. sse 40 refrigerant overcharged 173 remote control self diagnosis function 135 remote control service mode 133 S self diagnosis by wired remote control 129 self diagnosis by wireless remote control 130 setting of low noise operation and demand operation 115 image of operation 116 setting of refrigerant additional charging operation 119 check operation 121 simplified remote control 90 DI62691 2o rie Aoi me t etat fs 90 system is not set yet 203 T thermostat sensor in remote control 68 COOLING vite teo e eter del toe 68 heating Ee 69 torque wrench 263 troubleshooting by remote control 128 turn Power ON xoa eee Ete De ales 74 weigher for refrigerant charge 266 wired remote control sess 87 wireless remote control indoor unit 89 brcA type e ee eene 89 DIG type oie peer e De 89 wiring diagrams sssssssss 227 iv Drawings amp Flow Charts In all of us Daikin s unique position as a manufacturer of air a green
28. 10 YO episino 1ndui eui Burpeuuoo ueuM payoeye eui y 1 eseo ul 2 da O 40JDBUUOD d oo INLX 022 jeuuojsuej HLL 19 129 any LIH 4 youms WLO seoipuedde JO 1 Y8LX feje1 ZHO9 ZHOS sped 103290009 eovues x 10399010S epoip 1467 dvH 79 NOvz 0z2 any L WS g esni nid Aiddns tomog BJOWAI aL sopoeden 12 uoisuedxe 9Iu0J129 3 nolo paund YOO eure Joopu 243 Appendix SiENBE34 802 iagrams D iring FXUQ71MA 100MA 125MAV1 V Z6vvOOE 1 POM
29. 9 ON OE A A A SOR 60 demand OR A E E E FO 30 Demand setting 1 O 70 demand 09000000 80 demand 090070 OFF O EEE E EO demand e e e 9 ON OE A E_E SOR The numbers in the No column represent the number of times to press the SET BS2 button 110 Test Operation SiENBE34 802 Field Setting c Monitor mode nm LED display Setting item Data display H1P H2P H5P To enter the monitor mode push the 0 Various setting O O See below MODE BS1 button when in Setting mode 1 1 CIH unified address 0 2 Lownoise demand address o o o o Oo 3 Not used oe olo 4 Airnet address Lower 6 digits 5 Selection of setting item Number of connected zone units z g gt 1 excluding outdoor and BS unit 9 e e e O Push the SET BS2 button and set the LED display setting item Sc units o Number of zone units excluding es 11 outdoor and BS
30. 1 address Sets address for cool heat unified operation 2 po ee demand Address for low noise demand operation 5 Used to conduct test operation without making changes 3 eee to the PCB and replacing the refrigerant after the g completion of maintenance 5 Indoor unit forced Allows forced operation of indoor unit fan while unit is fan H stopped H tap 6 forced Allows forced operation of indoor unit 8 Te setting Target evaporation temperature for cooling 9 Tcsetting Target condensation temperature for heating 10 Defrost changeover Changes the temperature condition for defrost and sets to setting quick defrost or slow defrost External low noise 12 setting Demand Reception of external low noise or demand signal setting 13 AIRNET address Set address for AIRNET Make this setting to conduct heating operation with hot 16 Setting of hot water waler heater Additional 20 refrigerant charge Carries out additional refrigerant charge operation operation setting Refrigerant 21 mode Sets to refrigerant recovery or vacuuming mode setting Sets automatic nighttime low noise operation in a simple 22 Night time low way noise setting The operating time is based on Starting set and Ending set 25 Setting of external Sets low noise level when the low noise signal is input low noise level from outside Night time low PRETA Sets starting time of nighttime low noise operation 26 acne Ni
31. 100 125MA General Information SiENBE34 802 Part 2 Specifications T Specifications e 6 1 1 Outdoor Units eee Been lean einai 6 1 2 Indoor ee AN tete td 10 Specifications 5 Specifications SiENBE34 802 1 Specifications 1 1 Outdoor Units Heat Pump 50Hz lt RXYSQ PA7Y1B gt 1 1 TECHNICAL SPECIFICATIONS RXYSQ4PA7Y1B RXYSQ5PA7Y1B RXYSQ6PA7Y1B Cooling kW 11 2 14 0 15 5 Capacity Heating kW 12 5 16 0 18 0 Cooling 3 88 3 88 3 33 COP Heating 4 43 4 03 3 83 Capacity range HP 4 5 6 PED category Category Max n of indoor units to be connected 6 8 9 Indoor index Minimum 50 62 5 70 connection Maximum 130 162 5 182 Colour Daikin White Casing Material Painted galvanised steel Height mm 1 524 Packing Width mm 980 980 980 4 Depth mm 420 420 420 Dimensions Height 1 345 Unit Width mm 900 900 900 Depth mm 320 320 320 Unit kg 120 120 120 Weight Packed Unit kg 130 130 130 Material Carton wood EPS Packing Weight kg 8 8 8 Length 857 857 857 Nr of Rows 2 2 2 i Fin Pitch mm 2 2 2 Dimensions Nr of Passes 10 10 10 Heat Exchanger Face
32. 15 yun 91 0 022 ang urew uouws 10199195 155 dev iy 101810280 LIH peiuud 10 1 POM yun joopu Appendix 244 SiENBE34 802 Wiring Diagrams BEVQ71MA 100MA 125MAVE A2P Power supply printed circuit Bil Light emitting diode P ae er Selector switch M S Terminal strip Power Terminal strip Transmission Electronic expansion valve 226 Noise filter Z3C Z4F Power supply BEV unit 220 240C 220V 50Hz 60Hz To indoor unit Control box Ky To outdoor unit Notes 1 2 3 9 10 Terminal Connector Field wiring 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 de 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
33. Y1 30 380 415V 50Hz V1 16 220 240V 50Hz General Information SiENBE34 802 External Appearance 2 External Appearance 2 1 Indoor Units Ceiling Mounted Cassette Type Double Flow Ceiling Mounted Duct Type FXCQ20M8 FXMQ40P FXCQ25M8 a FXMQS50P FXCQ32M8 FXMQ63P FXCQ40M8 FXCQ50M8 FXMQ100P FXCQ63M8 FXMQ125P FXCQ80M8 FXCQ125M8 Ceiling Mounted Cassette Type Round Flow Ceiling Suspended Type FXFQ20P7 _ 2 FXFQ25P7 8 FXHQ63MA FXFQ32P7 E FXHQ100MA FXFQ40P7 5 7 FXFQ63P7 FXFQ80P7 FXFQ100P7 FXFQ125P7 600x600 Ceiling Mounted Wall Mounted Type Cassette Type Multi Flow 2 FXZQ20M8 FXAQ25MA FXZQ25M8 FXAQ32MA FXZQ32M8 FXAQ40MA FXZQ40M8 FXAQ50MA FXZQ50M8 FXAQ63MA Ceiling Mounted Cassette Corner Type Floor Standing Type FXKQ25MA FXLQ20MA FXKQ32MA FXLQ25MA FXKQ40MA i FXLQ32MA FXKQ63MA FXLQ40MA FXLQ50MA FXLQ63MA Slim Ceiling Mounted Duct Type Concealed Floor Standing Type FXDQ20P FXNQ20MA FXDQ25P FXNQ25MA FXDQ32P FXNQ32MA FXDQ40NA FXNQ40MA FXDQ50NA FXNQ50MA FXDQ63NA FXNQ63MA Ceiling Concealed Type small Ceiling Suspended Cassette Type Connection Unit Series FXDQ20M8 FXDQ25M8 FXUQ71MA BEVQ71MA FXUQ100MA BEVQ100MA FXUQ125MA BEVQ125MA Connection Unit Ceiling Mounted Built In Type FXSQ20M FXSQ25M FXSQ32M FXSQ40M FXSQ50M FXSQ63M FXSQ80M FXSQ100M FXSQ125M
34. 033u09 2022 JoWsO sUeAL dey Bums youms 105 p s0 S WOU L 2104 L seoipuedde 4 5 oway dey Bums 10101N YoUMS 4 J0 99UUOD 100pul 1010 syed 10 10 99uUU0D jas 55 YOUMS 1012908 ZH09 ZHOS Aeje1 oneuDe S LN oneuDe 5 uouws epoip 1467 0 5 1 epoip Burua 1467 esn4 GLN 10 19414 epoip 1467 p1eoq paund JOOpU 241 Appendix SiENBE34 802 Wiring Diagrams FXAQ20MA 25 32MAVE 40MA 50MA 63MAVE q90zreoae
35. Compressor 124 Hz Full load 52 Hz Full load Outdoor unit fan Fan control Fan control Four way valve OFF OFF Main electronic expansion valve EV1 480 pls 240 pls ES 79 electronic expansion valve 0 pls 0 pls Hot gas bypass valve SVP OFF OFF Ending conditions 2 sec 2 sec 3 4 2 Pump down Residual Operation in Heating Operation Actuator Pump down residual operation Compressor 124 Hz Full load Outdoor unit fan STEP7 Four way valve ON Main electronic expansion valve EV1 0 pls Subcooling electronic expansion valve 0 pls EV3 Hot gas bypass valve SVP OFF Ending conditions 4 sec Function 57 Special Control SiENBE34 802 3 5 Restart Standby Restart is stood by force to prevent frequent power on off and to equalize pressure in the refrigerant system Actuator Operation Remarks Compressor OFF Outdoor unit fan Ta gt 30 C STEP4 Tax30 C OFF Four way valve Keep former condition Main electronic expansion valve EV1 0 pls Subcooling electronic expansion valve 0 pls EV3 Hot gas bypass valve SVP OFF Ending conditions 2 min 58 Function SiENBE34 802 Special Control 3 6 Stopping Operation Operation of the actuator when the system is down is cleared up 3 6 1 When System is in Stop Mode Actuator Operation Compressor OFF Outdoor unit fan OFF
36. Outdoor Unit Refrigerant Overcharged 173 3 26 Outdoor Unit Malfunction of Thermistor R1T for Outdoor Air 174 3 27 Outdoor Unit Malfunction of Discharge Pipe Thermistor R2T 175 3 28 25 Outdoor Unit Malfunction of Thermistor R3T R5T Tor Suction Pipe 1 2 176 3 29 J6 Outdoor Unit Malfunction of Thermistor R6T 177 3 30 Outdoor Unit Malfunction of Thermistor R7T for Outdoor Unit Liquid Pipe aa 178 3 31 29 Outdoor Unit Malfunction of Thermistor RAT 179 3 32 JR Outdoor Unit Malfunction of High Pressure Sensor 180 3 33 JL Outdoor Unit Malfunction of Low Pressure Sensor 181 3 34 L Outdoor Unit Malfunction of PC 182 3 35 L4 Outdoor Unit Malfunction of Inverter Radiating Fin Temperature Rise 183 3 36 L5 Outdoor Unit Inverter Compressor 184 3 37 LE Outdoor Unit Inverter Current Abnormal 185 3 38 L8 Outdoor Unit Inverter Start up 186 3 39 LC Outdoor Unit Malfunction of Transmission between Inverter and Control PC Board sss 187 3
37. P DA IK IN SiENBE34 802 R 410A Service JRZ II S RXYSQ4 5 6PA7Y1B PA7V1B R 410A HEAT Pump 50Hz SiENBE34 802 VRY IIS R 410A Heat Pump 50Hz Ts vi 1 1 Salety Caull ris beo ERE en vi 1 2 PISERAGE cust itis baton emt det cedat otal X Part 1 General Information eonun uu uuuuuuuuuuuuuuuuuuuuuuusaaas 1 1 Model Names of Indoor Outdoor nnn nnnennreeeneeennnn 2 2 External Appearariee xta negotio dae a A oM ideals 3 2 1 Indoor UNIS asics ier EE E E 3 G pacity RANGES seee opes ener p e Ea deed nat NR aed 4 Part 2 Specifications Leer eere eene enean 5 TSS PO aa toss xa rase Rest cant Pd E E qaa cod REX me RE PE EX ces 6 AT Outdoor 6 1 2 ao 010 a nltS E EEE E EA A tei ie i eiiim 10 Part 3 List of Electrical and Functional 29 1 List of Electrical and Functional Parts 30 1 1 Qutdoor Unll 2 oio err Crete e sey eo ieee 30 1 2 Indoor Unt sides rere ee 32 Part 4 Refrigerant Circuit Lee eere ee eoe nen nennen nanus OD 1 Refrigerant 40 Mel DNE TEE 40 2 PUNCHONAL Parts cera sewar Dave see
38. ejouleH p eui jun eui 011 19euuoo e Buisn jo eseo u Buum ply z 10 J0joouuoo 322 S JON wt 51 68115 15 LWIX IUW 0 0 Deven E div nalo 7 Pe DONT VOIX V8lX seoipuedde jeoujoeje Je3depe unm V8LX JLA V9LX syed 10 10 2 qns ure YAMS LSS O any hl oor d p9JIM 8409 941484 PSION OZZ OLZ 1 uoisuedxe 21u0J129 3 GLA 910UJ8J POM M jeuruue p NZX 155 I 1 NOG eure WIX m 19 I 118 TEE ma FU aN HLLA 24 n ___ 7 022 HLL 043009 0W 1 2 r 7 Z4EMTA qu 1 YOUMS 18015 115 2 ZX 2 09 ZHOS WOO 101Suueu L ley episino ES ai LHM 9 e T L 109 JoystwueyL DEC ANd 12 00000 suey d peppequue 4 10 99 01d NLO div ureiq 1010 Ley 144 Llu d LIN Aeje1
39. waysAs sun Joopul 8 jo uonoeuuo2 Japeay 19 pue 19ujaJ l uonooeuuoo 4 Example of connection Appendix Example of connection SiENBE34 802 250 Appendix SiENBE34 802 Thermistor Resistance Temperature Characteristics 5 Thermistor Resistance Temperature Characteristics Indoor unit For air suction R1T For liquid pipe R2T For gas pipe R3T Outdoor unit For outdoor air R1T Outdoor unit for fin thermistor R1T For suction pipe 1 R3T For heat exchanger R6T For suction pipe 2 R5T For Subcooling heat exchanger outlet R6T RAT For Liquid pipe R7T R8T kQ TC 0 0 TC 0 0 05 T C 0 0 0 5 40 20 197 81 192 08 30 16 10 15 76 8 19 186 53 181 16 31 15 43 15 10 6 88 0 18 175 97 170 94 32 14 79 14 48 4 79 1 17 166 07 161 36 33 14 18 13 88 2 mal 16 156 80 152 38 34 13 59 13 34 0 64 1 15 148 10 143 96 35 13 04 12 77 d D 14 139 94 136 05 36 12 51 12 25 6 475 13 132 28 128 63 37 12 01 11 76 8 429 12 125 09 121 66 38 11 52 11 29 35 Sg 11 118 34 115 12 39 11 06 10 84 12 353 10 111 99 108 96 40 10 63 10 41 14 32 4 9 106 03 103 18 41 10 21 10 00 16 29 2 8 100 41 97 73 42 9 81 9 61 18 26 6 7 95 14 92 61 43 9 42 9 24 20 24 3 6 90 17 87 79 44 9 06 8 88 22 22 2 5 85 49 83 25
40. a central remote control or schedule timer connected YES Refer to failure diagnosis for central remote control or schedule timer Is the setting of the unified ON OFF controller s switch for setting each address duplicated Are two or more unified 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 controller V2842 214 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Unified ON OFF Controller Is the wirin adapter for electrical YES appendices connected gt Cannotbeusedin combination with a wiring adapter for electrical NO appendices Remove the wiring adapter for electrical appendices and reset the power supply for all optional controllers for centralized control simultaneously Schedule timer and data station cannot be used in combination Disconnect either the schedule timer or data station and reset the power supply for all optional controllers for centralized control simultaneously Is a data station connected schedule timer connected sa parallel interface 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 centra
41. 26 Night time Ole e PM amp 8 amp 00 low noise start setting PM 10 00 Factory setting PM 0 00 27 Oj e o o e AM 6 00 low noise end setting AM 7 00 O e AM 8 00 Factory setting 29 Capacity Low noise precedence precedence setting Factory setting Capacity precedence Oje 9 30 60 of setting 1 Ole jratedpower GO consumption 70 of rated power consumption Factory setting 80 of ratedpower O e o consumption 32 OFF demand Factory setting setting ON e Setting mode indication section Setting No indication section Set contents indication section 118 Test Operation SiENBE34 802 Field Setting 3 2 4 Setting of Refrigerant Additional Charging Operation When the outdoor unit is stopped and the entire quantity of refrigerant cannot be charged from the stop valve on the liquid side make sure to charge the remaining quantity of refrigerant using this procedure If the refrigerant quantity is insufficient the unit may malfunction Turn ON the power of the indoor unit and the outdoor unit
42. Connect the connecter X70A and turn on the power again Malfunction breaks out again NO YES Replace PC board for fan A2P gt Connect it and operate It is possible to have a cause such as instantaneous blackout 1 Pull out and insert the connecter once and check it is absolutely connected 2 Method to check transmission part of indoor PC board 0 Turn off the power and remove the connecter X70A of indoor PC board A1P 2 Short circuit X70A 3 After turning on the power check below numbers under local setting remote control Confirmation Setting position NO at the condition of setting switch No 21 on mode No 41 J Determination 01 Normal Other than 01 Transmission defect on indoor PC board After confirmation turn off the power take off the short circuit and connect X70A back to original condition Troubleshooting 155 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 11 C4 Indoor Unit Malfunction of Thermistor R2T for Heat Exchanger Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting 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 W Def
43. 1 1 2 Cautions Regarding Products after Repair Warning 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 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 Introduction SiENBE3
44. 44 2 4 4 6 44 2 2 RXYSQA4 5 1 45 Refrigerant Circuit 39 Refrigerant Circuit SiENBE34 802 1 Refrigerant Circuit 1 1 Outdoor Unit RXYSQ4 5 6 1 No in pen Symbol Name Major Function diagram Inverter compressor is operated on frequencies between 36 Hz and 195 Hz by using A M1C Inverter compressor INV the inverter 31 steps M1F Since the system is of air heat exchanging type the fan is operated at 8 step rotation Liquid pipe2 TI2 D M2F Inverter fan speed by using the inverter E Y1E Electronic expansion valve While in heating operation PI control is applied to keep the outlet superheated degree Main EV1 of air heat exchanger constant Electronic expansion valve PI control is applied to keep the outlet superheated degree of subcooling heat Subcool EV3 exchanger constant G Y2S Solenoid valve Hot gas SVP Used to prevent the low pressure from transient falling H Y3S SVUL valve Unload circuit Used to the unloading operation of compressor M 15 Four way valve Used to switch the operation mode between cooling and heating N S1NPH High pressure sensor Used to detect high pressure S1NPL Low pressure sensor Used to detect low pressure s In order to pr
45. m UNIT No n SECOND 939 sa FIELD CODE NO n m MODE 375 Ex3 C3 C3 ogm omg a Ss fa a If optional accessories are mounted on the indoor unit the indoor unit setting may have to be changed Refer to the instruction manual for each optional accessory 1 When in the normal mode press the button for a minimum of four seconds and the FIELD SET MODE is entered 2 Select the desired MODE NO with the button 3 During group control when setting by each indoor unit mode No 20 21 22 and 23 have been selected push the gt button and select the INDOOR UNIT NO to be set This operation is unnecessary when setting by group 4 Push upper button and select FIRST CODE NO 5 Push the lower button and select the SECOND CODE NO 6 Push the OR button once and the present settings are SET 7 Push the E button to return to the NORMAL MODE Example If during group setting and the time to clean the air filter is set to FILTER CONTAMINATION HEAVY SET MODE NO to 10 FIRST CODE NO to 0 and SECOND CODE NO to 02 1 Setting is carried out in the group mode however if the mode number inside the parentheses is selected indoor units can also be set individually The SECOND CODE number is set to 01 when shipped
46. AOvc 0cc Kjddns JON 40j9euuo oo ATE yooq eujus oW d uoissiusuea jeubis COL 1 1012euu02 JoAi9291 OH seues Ays 10 1 duis NZX dias puwa NLX 0 pareyuy 101090009 sued jeuondo 1 11290 05 KoueBieui uowws 10100 956 LSS 1es sseJppe ssam uowws eo 715 youms soypejas 255 dey Bums youms OLS youms 201095 155 d LIN onouBew eBue10 1s01jeQ v LIN fejej AY epoip 1 100 J0IS uueu LZH pe1 uBis Oswy LiH epoip 4r yoyms oway WEO ureig 100N 1 6 1 JO OW pei uo 9 joj0IN SLIN epoip 1u6r1 dH ueeJ6 440 NO vong usnd 158 epoip 67 pjeoq pajud dpv ueejJ6 eovues payulid dev 1467 paesu peyoeny GLN
47. control control V3059 114 Test Operation SiENBE34 802 Field Setting 3 2 3 Setting of Low Noise Operation and Demand Operation Setting of Low Noise Operation By connecting the external contact input to the low noise input of the outdoor unit external control adapter optional you can lower operating noise by 2 3 dB When the low noise operation is carried out automatically at night The external control adapter for outdoor unit is not required 1 While in Setting mode 2 select the setting condition i e Mode 1 Mode 2 or Mode 3 for set item No 22 Setting of nighttime low noise level 2 If necessary while in Setting mode 2 select the setting condition i e 20 00 22 00 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 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 If 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 nightt
48. se gt Xe Ires etude AA del as 251 Malfunction of Transmission between Inverter and Thermostat Sensor in Remote Control 68 Control PC Board 187 Malfunction of Transmission between Main and Sub U Remote Controls 197 UE 189 Malfunction of Transmission between Optional e t sesto 191 Controllers for Centralized Control 207 U3 pee eee Be I 193 Malfunction of Transmission between Remote Control Acts tate Niles 194 and Indoor Unit sess 196 US 196 EE RENE 210 tom e d aderit 197 Method of Replacing The Inverter s Power Transistors n e ial e a Re 198 and Diode Modules 254 UA aant tro 200 UG secu sie ie 201 N UE xii teer 202 205 Normal Operation TEM TEMERE 49 uius uM 203 BI eT 204 Oil Return Operation 54 ii Index SiENBE34 802 Drawings amp Flow Charts A abnormal discharge pipe temperature 172 abnormal power supply voltage 149 actuation of high pressure switch 164 actuation of low pressure sensor 166
49. 48 Function SiENBE34 802 Basic Control 2 Basic Control 2 1 B Cooling Operation Normal Operation Actuator Operation Remarks Compressor Compressor PI control Used for high pressure protection control low pressure protection control discharge pipe temperature protection control and compressor operating frequency upper limit control with inverter protection control Outdoor unit fan Cooling fan control Four way valve OFF Main electronic expansion valve EV1 480 pls EV 79 electronic expansion control Hot gas bypass valve SVP OFF This valve turns on with low pressure protection control B Heating Operation Actuator Operation Remarks Compressor Compressor PI control Used for high pressure protection control low pressure protection control discharge pipe temperature protection control and compressor operating frequency upper limit control with inverter protection control Outdoor unit fan STEP 7 or 8 Four way valve ON Main electronic expansion EV1 control Subcooling electronic expansion valve EV3 PI control Hot gas bypass valve SVP OFF This valve turns on with low pressure protection control Heating operation is not functional at an outdoor air temperature of 24 CDB or more Function 49 Basic Control SiENBE34 802 2 2 Compres
50. Caution or parts damage may be occurred Is a malfunctiori code displayed on the YES remote control gt Diagnose the cause with the air conditioner s failure diagnosis manual NO as a once connected indoor YES unit been removed 9 its gt Reset power supply for all address changed optional controllers for centralized control simultaneously NO Is the power supply for the indoor unit displaying NO gt malfunction turned on Turn the power supply of the indoor unit on Is transmission wiring disconnected or wired incorrectly YES gt Fix the wiring correctly Is the group No of malfunctioning indoor units set transmission with all indoor units malfunctioning NO Set the group No correctly Is the Replace indoor unit PC board transmission wiring with the master controller disconnected or wired incorrectly Fix the wiring correctly master controller s Connector for setting master controller disconnected YES gt Connect the connector correctly Replace the central PC board V2841 212 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Unified ON OFF Controller 5 2 Display Under Host Computer Integrate Control Blinks Repeats Single Blink Remote Control under host computer integrated control Repeats single blink Display Applicable Unified ON
51. Conditions Supposed Causes Troubleshooting Address Duplication Improper Setting Centralized remote control Address duplication of centralized remote control N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Are two or more centralized remote controls connected YES gt Disconnect all centralized remote controls except one and reset the power supply of the centralized remote control gt Reset power supply of the centralized remote control V2835 210 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Unified ON OFF Controller 5 Troubleshooting by Indication on the Unified ON OFF Controller 5 1 Operation Lamp Blinks Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Operation lamp blinks All models of indoor units Unified ON OFF controller Malfunction of transmission between optional controller and indoor unit Connector for setting master controller is disconnected Defect of unified ON OFF controller Defect of indoor unit PC board Malfunction of air conditioner Troubleshooting Troubleshooting by Indication on the Unified ON OFF Controller SiENBE34 802 Troubleshooting N Be sure to turn off power switch before connect or disconnect connector
52. Does a NO malfunction occur gt Normal YES Does a UH malfunction NO occur for all indoor units gt Replace indoor unit PC board in the system YES gt Replace outdoor unit PC board A1P V2831 204 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Centralized Remote Control 4 Troubleshooting by Indication on the Centralized Remote Control 4 1 UE Malfunction of Transmission between Centralized Remote Control and Indoor Unit IIT Remote Control Display Applicable All indoor unit models Models Centralized Remote Control Method of Microcomputer checks if transmission between indoor unit and central remote control is normal Malfunction Detection Malfunction When transmission is not carried out normally for a certain amount of time Decision Conditions Supposed Malfunction of transmission between optional controllers for centralized control and indoor unit Causes Connector for setting master controller is disconnected Failure of PC board for central remote control Defect of indoor unit PC board Troubleshooting 205 Troubleshooting by Indication on the Centralized Remote Control SiENBE34 802 Troubleshooting N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Has an indoor unit once connected been remove or its address changed YES R
53. General Information 3 Capacity Range SiENBE34 802 3 Capacity Range Outdoor Units Indoor Units Capacity Range 4HP 5HP 6HP RXYSQ 4PA 5PA 6PA No of Indoor Units to be 6 8 9 Connected Total Capacity Index of Indoor 2 ely nite tebe 50 130 62 5 162 5 70 182 Connected Capacity Range 0 8HP 1HP 1 25HP 1 6HP 2HP 2 5HP 3 2HP 4HP 5HP Capacity Index 20 25 31 25 40 50 62 5 80 100 125 Ceiling Mounted Cassette Type FXCQ 20M 25M 32M 40M 50M 63M 80M 125M Double Flow Ceiling Mounted Cassette Type FXFQ 20P 25P 32P 40P 50P 63P 80P 100P 125P Round Flow 600x600 Ceiling Mounted Cassette FXZQ 20M 25M 32M 40M 50M Type Multi Flow Ceiling Mounted Cassette Corner Type FXKQ 25MA 32MA 40MA 63MA FXDQ 20P 25P 32P 40NA 50NA 63NA Slim Ceiling Mounted Duct Type FXDQ M8 20M8 25M8 Ceiling Mounted Built In Type FXSQ 20M 25M 32M 40M 50M 63M 80M 100M 125M Ceiling Mounted Duct Type FXMQ 40P 50P 63P 80P 100P 125P DI FXHO 32 100MA Wall Mounted Type FXAQ 20MA 25MA 32MA 40MA 50MA 63MA Floor Standing Type FXLQ 20MA 25MA 32MA 40MA 50MA 63MA Concealed Floor Standing Type FXNQ 20MA 25MA 32MA 40MA 50MA 63MA Ceiling S ded Gasca a FXUQ mE
54. KRP1B61 KRP1B56 KRP1C64 KRP4A53 KRP1B3 KRP1B61 9 Wiring adapter hour meter EKRP1C11 1 EKRP1B2 EKRP1B2 2 EKRP1B2 Wiring adapter for electrical KRP2A526 1 _ KRP2A516 1 KRP2A61 KRP2A516 KRP2A53 KRP2A516 KRP2A61 KRP2A62 KRP2A51 appendices 1 Wiring adapter for electrical 11 appendices 2 KRP4AA53 1 KRP4A536 1 KRP4A516 1 KRP4A51 KRP4A516 KRP4A54 KRP4A516 KRP4A51 KRP4A52 KRP4A51 12 Remote sensor KRCS01 4 KRCS01 1B 13 Installation box for adapter PCB KRP1H98 KRP1BA101 KRP1B96 3 4 KRP1BA101 KRP1B97 KRP1C93 3 KRP4A93 3 4 Electrical box with earth terminal 14 3 blocks KJB311A Electrical box with earth terminal 15 2 blocks KJB212AA KJB212A Noise filter for electromagnetic 16 interface only et HERZ 17 External control adapter DTA104A52 DTA104A51 1 DTA104A61 DTA104A53 DTA104A51 DTA104A61 DTA104A62 DTA104A51 DTA104A61 18 Interface adapter for SkyAir series DTA102A52 19 Connector for forced on forced off EKRORO Note 1 Installation box is required 2 Fixingbox is KRP1A90 3 Up to 2 adapters can be fixed per installation box 4 Only 1 installation box can be installed per indoor unit Various PC Boards No Part name Model No Function KRP1B56 KRP1B57 1 Adapter for wiring KRP1B61 W PC board when equipped with auxiliary electric heater in the indoor unit KRP1B3 KRP4A53 W Up to 1 024 units can be ce
55. Oz 1 ind LH917 dvH at E o i i ae MIAN NZX 119 129 nia oC ATddNS H3MOd ve dena o S TSS div LINDUIO dev dev LINN HOOQNI Appendix 242 iagrams D iring SiENBE34 802 FXLQ20MA 25 32MA 40MA 50MA 63MAVE FXNQ20MA 25MA 32MA 40MA 50MA 63MAVE 9 WGX ul jeuondo JIN PaM NDE UOISSIUISUPEJ JOJJUOD BOWS el pis no Ol SION AjUO s1ojonpuoo esf 9 NH8 yoeld ng eDueJ0 MOI 9A MIA 9IUM LHM ANd Se MOUS sjoquiAg G iun eui peuoege OY 0 19491 s rejep Aq 5 eq
56. lt q compressor frequency Tfin 79 C 10 sec Macthing of frequency Status quo Tfin 76 C Without conditions continues for 3 min INV upper limit frequency 1 step up from current compressor frequency Tfin 84 C Fin temp standby When occurring 4 times within 60 min the malfunction code L4 is output 63 Function Other Control SiENBE34 802 5 Other Control 5 1 Demand Operation In order to save the power consumption the capacity of outdoor unit is saved with control forcibly by using Demand 1 Setting To operate the unit with this mode additional setting of Continuous Demand Setting Demand 1 setting Setting Standard for upper limit of power consumption Demand 1 setting 1 Approx 60 Demand 1 setting 2 factory setting Approx 70 Demand 1 setting 3 Approx 80 Other protection control functions have precedence over the above operation 5 2 Heating Operation Prohibition Heating operation is prohibited above 24 CDB outdoor air temperature 64 Function SiENBE34 802 Outline of Control Indoor Unit 6 Outline of Control Indoor Unit 6 11 Drain Pump Control 1 The drain pump is controlled by the ON OFF buttons 4 button 1 4 given in the figure below 6 1 1 When the Float Switch is Tripped while the Cooling Thermos
57. 3 48 UH Excessive Number of Indoor Units Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting All indoor unit models Excess of connected indoor units Defect of outdoor unit PC board A1P Mismatching of the refrigerant type of indoor and outdoor unit Setting of outdoor PC board was not conducted after replacing to spare parts PC board Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred N Caution Is the outdoor PC board YES replaced to spare parts PC gt The outdoor PC board replaced is board wrong check PC board type total of indoor units displaying UR and indoor units connected to the same refrigerant system is within connectable NO gt There are too many indoor units within the same refrigerant number of unit system Push and hold the RESET button on the outdoor unit PC board for 5 seconds NO Does a malfunction occur gt Normal Does the refrigerant type of indoor and outdoor unit NO gt Matches the refrigerant type of indoor and outdoor unit Replace outdoor unit PC board A1P V3169 The number of indoor units that can be connected to a single outdoor unit system depends on the type of outdoor unit 200 Troubleshooting SiENBE34 802 Trou
58. 4 The factory set position is standard position 012 Function 67 Outline of Control Indoor Unit SiENBE34 802 6 3 Thermostat Sensor in Remote Control Temperature is controlled by both the thermostat sensor in Remote Control and air suction thermostat in the indoor unit This is however limited to when the field setting for the thermostat sensor in Remote Control is set to Use Cooling If there is a significant difference in the preset temperature and the suction temperature fine adjustment control is carried out using a body thermostat sensor or using the sensor in the Remote Control near the position of the user when the suction temperature is near the preset temperature p LE 5 Preset temperature Ts 12 14 i x 13 24 18 2E 12 34 Suction temperature 1 Range in which thermostat Range in which body thermo sensor remote control mm stat FRU can be used l Differential be used VG003 B Ex When cooling Assuming the preset temperature in the figure above is 24 C and the suction temperature has changed from 18 C to 30 C A F 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 Body thermostat sensor is used for temperatures from 18 C to 23 C A Remote Control thermostat sensor is used for temperatures from 23 C to 27 C
59. 44 2 FRAY SOA Sf ORAL Bit tpe e eb 44 2 2 RXYSO4 5T GPATV 1B ER DR 45 Part 5 17 5 Choi hs Operation MOL Hoo o ute Haeo QOL LOIR Lam LAE 48 2 Basic E NC EL E TT 49 2 1 tee a etg oa 49 2 2 Compressor PI Control eese enne 50 2 3 Electronic Expansion Valve 51 2 4 Cooling Operation Fan Control esses 52 3 Special COMI tn et e 53 3 1 Startup eoe Ee ataca e 53 3 2 Oil Return Operation sssssssesssesseee 54 3 9 Defros rng Operators eiui 56 3 4 Pump down Residual Operation 57 Table of Contents i SiENBE34 802 4 5 6 3 5 Restart Standby es ee ieri eid ek eae ide 58 3 6 Stopping Operation nnns 59 Protection Control ice eee e i Ra CRAS ERES 60 4 1 High Pressure Protection 60 4 2 Low Pressure Protection 61 4 3 Discharge Pipe Protection Control seen 62 4 4 Inverter Protection Control 63 Other Gontrol erre Pr ne e e UNTER de betes efe E RR ERR 64 5 1 Demand Operation einir a e aa
60. Appendix 230 SiENBE34 802 Wiring Diagrams 2 3 Indoor Unit FXCQ20M 25M 32M 63MV3 1N 50Hz 230V 20 25 32 63 Class 22 28 36 71 Class AF M TRI Lg Fug i indoor iF d Switch box t 5 TY aee o d E IB M Ou i r Y Y Pate ir Lu x Se mh zd a TA THA KIA Input from outside note 3 To central remote control note 1 Wired remote control Note 2 52 Note 2 Receiver Display unit Field wiring Colors BLK Black L Live BLU Blue BRN Brown N Neutral SS C i ORG Orange nod PNK Pink Wire clamp RED Red Protective earth screw WHT White YLW Yellow 33H Float switch R2T R3T Thermistor Coil H1P Light emitting diode On Red 335 Limit switch swing Q2E Earth leak detector H2P Light emitting diode Timer Green A1P Printed circuit board RyA Magnetic relay M1S Light emitting diode Filter sign Red Capacitor M1F RyF1 3 Magnetic relay M1F H4P Light emitting diode Defrost Orange FAT Thermal fuse 152 C M1F embedded RyP Magnetic relay M1P ssi Selector switch Main Sub F1U Fuse 250V 5A Transformer 220 240V 22V SS2 Selector switch Wireless adress set F2U Field fuse X1M Terminal strip Power Connector for optional parts
61. C 12 22 2 02 0 5 C 9 Air Flow Setting When Heating Thermostat is OFF This setting is used to set air flow when heating thermostat is OFF When thermostat OFF air flow volume up mode is used careful consideration is required before deciding installation location During heating operation this setting takes precedence over 7 Fan Stop When Thermostat is OFF Mode No First Code No Second Code No Contents 01 LL air flow 12 22 3 02 Preset air flow 10 Setting of operation mode to AUTO This setting makes it possible to change differential values for mode selection while in automatic operation mode Setting position No Mode No Setting switch No 01 02 03 04 05 06 07 08 12 22 4 0 1 2 C 3C 4 C 5 C 6 7 C 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 the units may start automatically after power failure reset or the main power supply turned on again return to the same operation condition
62. Drain pump 23 50 _ Fuse 250V 16A X18A Connector Q2E Earth leak detector J1EH _ Electric heater Wiring adapter for electrical appendices Notes 1 Use copper conductors only 2 When using a central remote control 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 For High ESP operation change the wiring connection of X4A as shown on the wiring diagram 5 When connecting the input wires from the outdoor unit forced off or on off operation can be selected by the remote control For more details see installation manual 2TW23636 1C Appendix 239 SiENBE34 802 Wiring Diagrams FXMQ40P 50 63 80 100P 125PVE 281289002
63. FXSQ80M 100M 125M8V3 Le Jar 80 100 125 class 90 112 140 class Adapter for wiring S EPE TIAE 5 9 operation EL 5 Fo 2 LEM Erbe Switch box Note 5 input Colors BLK Black 1 outside BLU Blue Central remote BRN Brown T control note 2 GRY Grey 1 PNK Pi Ex wired remote RED Red control WHT White YLW Yellow Seperate power supply 1N 50Hz 230V K Field wiring i 1 L Live Note 4 d N Neutral High ESP operation 8 z j ws Wire clamp muB B B i Protective earth screw 33H Float switch Thermistor Air Magnetic relay J1EH A1P Printed circuit board R2T R3T Thermistor Refrigerant Adapter for wiring A2P Terminal board RyF1 3 Magnetic relay Fan RyC RyF Magnetic relay Capacitor Fan RyP Magnetic relay Drain pump RyH Magnetic relay J1EH F1U Fuse 250V 10 Transformer 220V 27V F1U F2U Fuse 250V 5A F2U Field fuse X1M Terminal strip Power X1A X2A Connector wiring adapter HAP Light emitting diode X2M Terminal strip Control X1M Terminal strip Service monitor Green Y1E Electronic expansion valve Connector for optional parts Motor Fan Optional parts X16A Connector Wiring adapter 1 Motor
64. HAP Light emitting diode X2M Terminal strip Control X18A Connector Service monitor Green 1 Electronic expansion valve Wiring adapter for electrical appendices Motor Indoor fan Receiver Display unit X23A Connector infrared remote control M1S Motor Swing flap Attached to infrared remote control Motor Drain pump A2P Printed circuit board RIT Thermistor Air BS ON OFF button Notes 1 When using a central remote control see manual for connection to the unit 2 X23A is connected when the Infrared remote control 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 control For more details see installation manual 4 Use copper conductors only 2TW23776 1D Appendix 231 Wiring Diagrams SiENBE34 802 FXCQ40M 50M 80M 125MV3 1N 50Hz 230V 40 50 80 125 Class 45 56 90 140 Class 4 Lhe Lali H indoor A Switch box Hm XH T EJIL N mH it QR mA NH xus z Input from outside 5 3 ete To central remote E control note 1 Wired remote control Note 2 Note 2 Receiver Display unit AT Field wiring Colors BLK Black L Live BLU Blue N Neutral BRN Brown Connector Orange PNK Pink Wire clamp RED R
65. Individual setting Set the fan speed and air flow direction by each unit z Unit 1 Select the unit No with the time mode 7 button Set the fan speed with the ec Code uu button 15 Set air flow direction with the button Fan speed 1 Low Air flow direction 3 High VE010 we Unit No transfer Transfer unit No e Select the unit No with the button 5 t unit No Set the unit No after transfer with the ee button Unit 1 02 45 Unit No after transfer VEO11 134 Troubleshooting SiENBE34 802 Troubleshooting by Remote Control 2 6 Remote Control Self Diagnosis Function The remote control switches are equipped with a self diagnosis function so that more appropriate maintenance can be carried out If a malfunction occurs during operation the operation lamp malfunction code and display of malfunctioning unit No let you know the contents and location of the malfunction When there is a stop due to malfunction the contents of the malfunction given below can be diagnosed by a combination of operation lamp INSPECTION display of the liquid crystal display and display of malfunction code It also lets you know the unit No during group control Operation lamp Display of indoor unit for which a malfunction has been detected Malfunction code Inspection display 1 050 Troubleshooting 135 Troubleshooting by Remote Control SiENBE34 80
66. Model BYBS32DJW1 BYBS32DJW1 BYBS32DJW1 BYBS45DJW1 BYBS45DJW1 Colour White 10Y9 0 5 Decoration Height mm 55 55 55 55 55 Panel Dimensions Width mm 650 650 650 800 800 Depth mm 500 500 500 500 500 Weight kg 3 3 3 3 5 3 5 Drain up Height mm 600 600 600 600 600 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 PC board fuse Drain pump fuse Fan motor thermal fuse Standard Accessories Metal clamp for drain hose Paper pattern for installation Drain hose Insulation for fitting Washer for hanger bracket Screws for duct flanges Screws for fixing the paper pattern for installation Fuse Installation and operation manual Notes Nominal cooling capacities are based on indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 8m level difference Om Nominal heating capacities are based on indoor temperature 20 CDB outdoor temperature 7 CDB 6 CWB equivalent refrigerant piping 8m level difference Om The external static pressure is changeable change the connectors inside the electrical box this pressure means High static pressure standard low static pressure The external static pressure is changeable change the connectors inside the el
67. can not be used for products that use new refrigerants Be sure to use dedicated tools and devices Tool compatibility Compatibility Tool HFC HCFC Reasons for change R 410A R 407C R 22 Do not use the same tools for R 22 Gauge manifold x and R 410A Charge hose Thread specification differs for R 410A and R 407C Charging cylinder Weighting instrument used for HFCs Gas detector x The same tool can be used for HFCs Vacuum pump To use existing pump for HFCs pump with reverse flow vacuum pump adapter must be preventive function installed Weighting instrument Seal material is different between Charge mouthpiece 25 Thread specification is different between R 410A and others Flaring tool Clutch type For R 410A flare gauge is necessary Torque wrench Torque up for 1 2 and 5 8 Pipe cutter Pipe expander Pipe bender Pipe assembling oil x Due to refrigerating machine oil change No Suniso oil can be used Refrigerant recovery device Check your recovery device Refrigerant piping See the chart below Only 019 1 is changed to 1 2H material while the previous material is 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
68. main and sub is normal Normal transmission does not continue for specified period Malfunction of indoor unit remote control transmission Connection of two main remote controls when using 2 remote controls Defect of indoor unit PC board Defect of remote control PC board Malfunction of transmission caused by noise A Caution Using 2 remote controls control Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred SS1 of both remote controls is set to MAIN YES Set one remote control to SUB turn the power supply off once and then back on Operation returns to normal when the power is turned Replace indoor unit PC off momentarily board There is possibility of malfunction caused by noise Check the surrounding area Multi core and turn on again cableis used for the YES indoor unit remote control gt Switch to double core transmission wiring independent cable replacement NO gt Defect of remote control PC board or indoor unit PC board Replace whichever is defective V2823 196 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 46 15 Malfunction of Transmission between Main and Sub Remote Controls 11 Remote Control Ll Display Applicable All indoor unit models Models Method of In case of controlling with 2 remote c
69. 0 050 Nominal Heating kW 0 050 0 050 Colour Non painted Casing Material Galvanised steel Height 301 301 Packing Width mm 584 584 mm 753 753 Dimensions Height mm 230 230 Unit Width 502 502 Depth mm 652 652 Unit kg 17 17 Weight Packed Unit kg 18 18 Required Ceiling Void mm 250 250 Length mm 430 430 Nr of Rows 2 2 Fin Pitch mm 1 40 1 40 Dimensions of Passes 2 2 Face Area m 0 108 0 108 Heat Exchanger Nr of Stages 12 12 Empty Tubeplate 4 Hole Tube type Hi XSS 7 Fi Fin type Symmetric waffle louvre in Treatment Hydrophilic Type Sirocco fan Fan Quantity 1 1 High m min 6 70 7 40 Cooling Low m min 5 20 5 80 Air Flow Rate High m min 6 70 7 40 Heating Low m min 5 20 5 80 Quantity 1 1 Steps step motor Fan Motor Output high Ww 10 10 Drive Direct drive Refrigerant Name R 410A Sound Sound Level Cooling power dBA 50 0 50 0 nominal Cogli Sound High dBA 37 0 37 0 oolin 3 Pressure Low dBA 32 0 32 0 Sound High dBA 37 0 37 0 Heatin ii Pressure Low dBA 32 0 32 0 n Type Flare connection Liquid OD Diameter mm 6 4 6 4 Piping connections Gas Type Flare connection Diameter mm 12 7 12 7 Drain Diameter mm 27 2 27 2 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 Sa
70. 1 Class 2 Previous 1 2 24 26 24 5 8 27 29 27 No change in tightening torque No change in pipes of other sizes W Differences Change of dimension B Only 1 2 5 8 are extended For class 1 R 407C For class 2 R 410A Dimension B 3 Vacuum pump with check valve Vacuum pump adapter sid flow e vacuum adapter gt Maximum degree of vacuum Select a vacuum pump which is able to keep the vacuum degree of the system in excess of 100 7 kPa 5 torr 755 mmHg Specifications Discharge speed 50 l min 50Hz 60 l min 60Hz Suction port UNF7 16 20 1 4 Flare UNF 1 2 20 5 16 Flare with adapter W Differences Equipped with function to prevent reverse oil flow Previous vacuum pump can be used by installing adapter Precautions for New Refrigerant R 410A 263 Precautions for New Refrigerant R 410A SiENBE34 802 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 Refrigerant oil Air compal Specifications Contains synthetic oil therefore it can be used for piping work of every refrigerant cycle Offers high rust resistance and stability over long period of time Differences Can be used for R 410A and R 22 un
71. 14 14 14 14 14 14 Type Sirocco fan Fan Quantity 1 1 1 1 1 1 High m min 7 00 7 00 8 00 11 00 14 00 16 00 Air Flow Rate Cooling Low m min 6 00 6 00 6 00 8 50 11 00 12 00 Quantity 1 1 1 1 1 1 Model D14B20 D14B20 2D14B13 2D14B13 2D14B20 2D14B20 Fan Motor Output high Ww 15 15 25 25 35 35 Drive Direct drive Refrigerant Name R 410A Cooling Sound High dBA 35 0 35 0 35 0 38 0 39 0 40 0 Pressure Low dBA 32 0 32 0 32 0 33 0 34 0 35 0 R Type Flare connection Liquid OD Diameter mm 6 4 6 4 6 4 6 4 6 4 9 5 Piping _ Gas Type Flare connection connections Diameter mm 12 7 12 7 12 7 12 7 12 7 15 9 Drain Diameter mm O D 21 Heat Insulation Glass Fiber Urethane Foam Air Filter Resin net with mold resistance Refrigerant control Electronic ex pansion valve Temperature control Microprocessor thermostat for cooling and heating Safety devices PC board fuse Fan motor thermal protector Standard Accessories Installation and operation manual Insulation for fitting Drain hose Clamps Screws Washer Level adjustment screw 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 CDB 6 CWB equivalent refrigerant piping 7 5m horizontal Capacities are net includ
72. 45 8 71 8 54 24 20 3 4 81 08 78 97 46 8 37 8 21 153 3 76 93 7494 47 8 05 7 90 2 73 01 71 14 48 7 75 7 60 1 i 1 69 32 67 56 49 7 46 7 31 34 TM 0 65 84 64 17 50 7 18 7 04 36 12 0 1 62 54 60 96 51 6 91 6 78 38 11 1 2 59 43 57 94 52 6 65 6 53 20 103 3 56 49 55 08 53 6 41 6 53 42 9 5 4 53 71 52 38 54 6 65 6 53 44 8 8 5 51 09 49 83 55 6 41 6 53 46 8 2 6 48 61 47 42 56 6 18 6 06 48 7 6 7 46 26 45 14 57 5 95 5 84 50 7 0 8 44 05 42 98 58 5 74 5 43 52 6 7 9 41 95 40 94 59 5 14 5 05 P a 10 39 96 39 01 60 4 96 4 87 58 52 11 38 08 37 18 61 4 79 4 70 12 36 30 35 45 62 4 62 4 54 i 2i 13 34 62 33 81 63 4 46 4 38 64 415 14 33 02 32 25 64 4 30 4 23 66 3 87 15 31 50 30 77 65 4 16 4 08 68 3 61 16 30 06 29 37 66 4 01 3 94 70 337 17 28 70 28 05 67 3 88 3 81 72 3 15 18 2741 26 78 68 3 75 3 68 74 2 94 19 26 18 25 59 69 3 62 3 56 76 2 75 20 25 01 24 45 70 3 50 3 44 78 2 51 21 23 91 23 37 71 3 38 3 32 80 2 41 22 22 85 22 35 72 3 27 3 21 216 23 21 85 21 37 73 3 16 3 11 66 109 24 20 90 20 45 74 3 06 3 01 88 187 25 20 00 19 56 75 2 96 2 91 a5 ITE 26 19 14 18 73 76 2 86 2 82 92 165 27 18 32 17 93 77 2 77 2 72 94 155 28 17 54 17 17 78 2 68 2 64 96 1 46 29 16 80 16 45 79 2 60 2 55 98 1 38 30 16 10 15 76 80 2 51 247 Appendix 251 Thermistor Resistance Temperature Characteristics SiENBE34 802 Outdoor Unit Thermistors for Discharge Pipe R2T T
73. 8 MOJA U9915 eDuelO 9 0 SWUM LHM NH8 4000 7 HdlS eotep JO 11095 ueuM 9 YOUMS LSC pue SSg 1S8 9Sn 0 MOH eyejd oeq uo uonneo G Jenuew 19491 uondo y Buisn ueuM p SS J SION xp Jojoeuuoo 4 Jojoeuuoo e qe oy q uuee eAnoejoud dijs o 2 jun Joopino eui s 1 gra FS Vo JO eoueJjua 94 JeuluJa JosseJduioo Jo uonisod eu 1 ZHOS 02 Aiddns Appendix 228 iagrams D iring SiENBE34 802 iring 2 2 Field W RXYSQ4 5 6PATY1B 61690 SLINN HOOQNI DN 100g 1 1 9 qe5 Z aged Z aged Salim Z esnJj esnJj esnJj YOUMS 1 YOUMS YOUMS Li uoissiusueJ ajqeo SeJIM Z uoissiusueJ SeJIM 2 sued pue y xeeJq Aew eseud jonpoud y jeo0 uonoejoud eseud e s 1
74. Area m 0 1 2 0 1 2 0 1 2 0 145 2 0 145 2 Nr of Stages 10x2 Empty Tubeplate 6 Hole Tube type Hi XSS 7 Fi Fin type Symmetric waffle louvre in Treatment Hydrophilic Type Sirocco fan Fan Quantity 1 1 1 2 2 High m min 7 0 9 0 9 0 12 0 12 0 Cooling Low m min 5 0 6 5 6 5 9 0 9 0 Air Flow Rate High m min 7 0 9 0 9 0 12 0 12 0 Heating Low m min 5 0 6 5 6 5 9 0 9 0 Quantity 1 1 1 1 1 Steps Phase cut control Fan Motor Output high Ww 10 15 15 20 20 Drive Direct drive Refrigerant Name R 410A Sound Sound Level Cooling power dBA 45 0 50 0 50 0 50 0 50 0 nominal Sedii Sound High dBA 33 0 35 0 35 0 35 5 35 5 oolin 9 Pressure Low dBA 28 0 29 0 29 0 30 5 30 5 Seki Sound High dBA 33 0 35 0 35 0 35 5 35 5 eatin 9 Low dBA 28 0 29 0 29 0 30 5 30 5 m Type Flare connection Liquid OD z Diameter mm 6 35 6 35 6 35 6 35 6 35 Piping 252 Flare connection connections Diameter mm 12 7 12 7 12 7 12 7 12 7 Drain Diameter mm 32 32 32 32 32 Heat Insulation Both liquid and gas pipes Model BYBC32GJW1 BYBC32GJW1 BYBC32GJW1 BYBC50GJW1 BYBC50GJW1 Colour White 10Y9 0 5 Decoration Height mm 53 53 53 53 53 Panel Dimensions Width mm 1030 1030 1030 1245 1245 Depth mm 680 680 680 680 680 Weight kg 8 0 8 0 8 0 8 5 8 5 Drain up Height mm 600 600 600 600 600 10 Specifications SiENBE34 802 Specifications 1 1 TECHNICAL SPECIFICA
75. CAPACITY SETTING ADAPTER for 125 J140 6 160 CAPACITY SETTING ADAPTER for 140 J160 Position of Attaching the Capacity Setting Adapter RXYSQ4 5 6PA7Y1B LJ Mi S leen un aoe e m 8 El lt RN T 6 3A 250V El El gt INVERTER PCB L21A Fau T6 38 250v RUOLO SH E i 25 TUM oN L 3 BC seer 8E qF g F 2 5 zal wi Bx ES g m pO ue 5 2 LO Bs 8 RE 2 E T m Kk ge Berig Q gS eie 5 5 TU Sea M E T mom ge HAE Te scs op lege 1 my Q s prit XSA Sayan e Test Operation 105 Field Setting SiENBE34 802 Setting by pushbutton switches The following settings are made by pushbutton switches on PC board
76. Combination of Optional Controllers for Centralized Control Remote Control Display Applicable Centralized remote control Models Method of Malfunction Detection Malfunction Decision Conditions Supposed improper combination of optional controls for centralized control Causes W More than one master controller is connected W Defect of PC board of optional controller for centralized control 208 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Centralized Remote Control Troubleshooting AN Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Cannot be used in YES combination with a wiring gt adapter for electrical appendices Remove the wiring adapter for electrical appendices and reset the power supply for all optional controllers for centralized control simultaneously the wiring adapter for electrical appendices connected Schedule timer and data station cannot be used in Isa S combination Disconnect schedule timer Is a data station YES either the schedule timer or connected connected data station and reset the power supply for all optional controllers for centralized control simultaneously Schedule timer and parallel YES interface cannot be used in combination Disconnect either the schedule timer or parallel interface and reset the power supply for all
77. Connect the thermistor and turn on again Resistance is normal when measured after disconnecting the thermistor R3T R5T from the outdoor unit PC board 3 5KQ 360kQ NO gt Replace the thermistor R3T R57 YES gt Replace outdoor unit PC board A1P MET V3073 Refer to thermistor resistance temperature characteristics table on P251 176 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 29 i Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Outdoor Unit Malfunction of Thermistor R6T RXYSQ4 6PA Malfunction is detected from the temperature detected by the heat exchanger thermistor When a short circuit or an open circuit in the heat exchange thermistor is detected W Defect of thermistor R6T for outdoor unit heat exchanger Defect of outdoor unit PC board A1P AN Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Connector is connected to NO X13A of outdoor unit PC gt Connect the thermistor and turn board A1P on again YES Resistance is normal when measured after disconnecting the thermistor from the outdoor unit PC board 3 5kQ 360kQ NO gt Replace the thermistor R6T gt Replace out
78. Control and Indoor 205 4 2 Sta BO Board ee iba ec 206 4 3 18 Malfunction of Transmission between Optional Controllers for Centralized Control 207 4 4 Improper Combination of Optional Controllers for Centralized Control 208 4 5 Address Duplication Improper 210 Troubleshooting by Indication on the Unified ON OFF Controller 211 5 1 Operation Lamp Blinks eeeeeeeseeesesseessee eene 211 5 2 Display Under Host Computer Integrate Control Blinks Repeats Sinigle BliFlk steep ote cdita eere ta e ai tiat 213 5 3 Display Under Host Computer Integrate Control Blinks Repeats Double BIInk iret 216 Part 8 221 T Piping Diagrams sedcdes tbe t bio e torri Eo du 222 1 1 Outdoor Unit ertet tess eens 222 1 2 Indoor Unit i ER EE e Rr e ea de M RENS 224 2 Wiring M BI To rz y 227 2 1 Outdoor eas sete ree eases Sake Rate 227 22 Field PE pU 229 2 39 Indoor Dritte te RO ete tete 231 c Ness LiSt roret i OS 246 3 1 Option List of nennen 246 3 2 Option List of Outdoor 248 4 Example
79. Decision Conditions Supposed Causes Troubleshooting RXYSQ4 6PA Detect malfunctions by current value during waveform output before compressor startup Detect malfunctions by current sensor value during synchronized operation at the time of startup Incase of overcurrent OCP during waveform output When the current sensor malfunctions during synchronized operation W Incase of IGBT malfunction Faulty outdoor PC board A1P e IPM failure e Current sensor failure e Failure of IGBT or drive circuit N 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 turn it ON again Does it return YES normally gt Itis believed that external factors noise etc other than failure caused the malfunction Replace the outdoor PC board A1P PC board equipped with a resin case 182 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 35 LH Outdoor Unit Malfunction of Inverter Radiating Fin Temperature Rise Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting RXYSQ4 6PA Fin temperature is detected by the thermistor of the radiation fin When the temperature of the inverter radiation fin increases a
80. Fan Motor M1F 1640W 1943W Motors Thermal protector 130 C OFF 80 ON MP24 3SB40333 1 MSFBC20C21 3SB40550 1 swing Motor MIS AC200 240V AC200 240V Thermistor Suction Air R1T Thermistor for Heat ST8605 2 8 L400 Thermistors Exchanger High Temp R T 20kQ 25 C Thermistor for Heat R2T ST8602 2 6 L400 Exchanger 20kQ 25 C Float Switch S1L OPTION Others Fuse F1U 250V 5A 5 2 36 List of Electrical and Functional Parts SiENBE34 802 List of Electrical and Functional Parts Model Parts Name Symbol FXLQ FXLQ FXLQ FXLQ FXLQ FXLQ 20MAVE 25MAVE 32MAVE 40MAVE 50MAVE 63MAVE Wired Remote Control BRC1D52 Remote Infrared remote Option Control control BRC4C62 AC 220 240V 50Hz Fan Motor M1F 1915W 125W 135W otors Thermal protector 135 C OFF 120 C ON Capacitor for Fan Motor 1 1 0uF 400V 0 5uF 400V 1 0uF 400V 1 5uF 400V 2 0uF 400V Thermistor Suction Air R1T STEKO OSC Thermistor for Heat ST8605 9 8 L2500 Thermistors Exchanger High Temp RAT 20kQ 25 C Thermistor for Heat R2T ST8602A 9 6 L2500 Exchanger 20kQ 25 C Fuse F1U AC250V 5A Others Transformer 1 TR22H21R8 Model Parts Name Symbol FXNQ FXNQ FXNQ FXNQ FXNQ Remark 20MAVE 25MAVE 32MAVE 40MAVE 50MAVE 63M
81. Make sure to completely open the stop valve on the gas side and the stop valve on the liquid side Connect the refrigerant charge hose to the service port for additionally charging the refrigerant n the stopped status set to ON the refrigerant additional charging operation in set mode 2 H1P Turn on G The operation is automatically started The LED indicator H2P flickers and Test run and Under centralized control are displayed in the remote control After charging the specified quantity of refrigerant press the RETURN button BS3 to stop the operation The operation is automatically stopped within 30 minutes If charging is not completed within 30 minutes set and perform the refrigerant additional charging operation again If the refrigerant additional charging operation is stopped soon the refrigerant may be overcharged Never charge extra refrigerant Disconnect the refrigerant charge hose Service port for adding refrigerant V1 ts E a Liquid Pipe fixing plate P line stop Ell Liquid line stop valve valve 4 Gas line IL Gas line stop valve oll stop 2 o valve Test Operation 119 Field Setting SiENBE34 802 3 2 5 Setting of Refrigerant Recovery Mode When carrying out the refrigerant collection on site fully open
82. PC board gt Install a capacity setting adapter V2783 Troubleshooting 153 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 10 Li Indoor Unit Failure of Transmission Between Indoor unit PC Board and Fan PC Board Remote Control L Display Applicable FXMQ40 125P Models Method of Check the condition of transmission between indoor PC board A1P and PC board for fan Malfunction A2P using computer Detecion Malfunction When normal transmission is not conducted for certain duration Decision Conditions Supposed Connection defect of the connecter between indoor PC board A1P and PC board for fan Causes A2P Malfunction of indoor PC board A1P Malfunction of PC board for fan A2P External factor such as instantaneous blackout 154 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control Troubleshooting N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Is the connector between indoor PC board A1P and PC board for fan A2P accuratel connected 1 NO gt Connect the connector accurately Confirm the condition of transmission on indoor PC board using local installation mode 2 nder above ocal installation mode installation position is pr NO Replace indoor PC board A1P
83. Power input Cooling kW 0 049 0 049 0 090 0 090 0 110 0 110 Nominal Heating kW 0 049 0 049 0 090 0 090 0 110 0 110 Casing Colour Ivory white 5Y7 5 1 Height mm 600 600 600 600 600 600 Dimensions Unit Width mm 1000 1000 1140 1140 1420 1420 Depth mm 222 222 222 222 222 222 Weight Unit kg 25 25 30 30 36 36 Nr of Rows 3 3 3 3 3 3 Heat Fin Pitch mm 1 50 1 50 1 50 1 50 1 50 1 50 Exchanger Dimensions E g Face Area 0 159 0 159 0 200 0 200 0 282 0 282 Nr of Stages 14 14 14 14 14 14 Type Sirocco fan Fan Quantity 1 1 1 1 1 1 High m min 7 00 7 00 8 00 11 00 14 00 16 00 Air Flow Rate Cooling Low m min 6 00 6 00 6 00 8 50 11 00 12 00 Quantity 1 1 1 1 1 1 Model D14B20 D14B20 2D14B13 2D14B13 2D14B20 2D14B20 Fan Motor Output high Ww 15 15 25 25 35 35 Drive Direct drive Refrigerant Name R 410A ooh Sound High dBA 35 0 35 0 35 0 38 0 39 0 40 0 oolin 9 Pressure Low dBA 32 0 32 0 32 0 33 0 34 0 35 0 anes Type Flare connection Liquid OD Diameter mm 6 4 6 4 6 4 6 4 6 4 9 5 Piping _ Gas Type Flare connection connections Diameter mm 12 7 12 7 12 7 12 7 12 7 15 9 Drain Diameter mm O D 21 Heat Insulation Glass Fiber Urethane Foam Air Filter Resin net with mold resistance Refrigerant control Electronic expansion valve Temperature control Microprocessor thermostat for cooling and heating Safety devices PC board fuse Fan motor thermal protector Standard Accessories Installation and operation
84. Specifications 15 Specifications SiENBE34 802 Ceiling Mounted Cassette Corner Type 1 1 TECHNICAL SPECIFICATIONS FXKQ25MAVE FXKQ32MAVE FXKQ40MAVE FXKQ63MAVE Nominal Cooling kw 2 80 3 60 4 50 7 10 Capacity Heating kw 3 20 4 00 5 00 8 00 Power input Cooling kw 0 066 0 066 0 076 0 105 Nominal Heating kW 0 046 0 046 0 056 0 085 Casing Material Galvanised steel Height 215 215 215 215 Dimensions Unit Width mm 1110 1110 1110 1310 Depth mm 710 710 710 710 Weight Unit kg 31 31 31 34 Nr of Rows 2 2 2 3 Heat Fin Pitch mm 1 75 1 75 1 75 1 75 Exchanger Dimensions Area m 0 180 0 180 0 180 0 226 Nr of Stages 11 11 11 11 Type Sirocco fan Fan Quantity 1 1 1 1 High m min 11 00 11 00 13 00 18 00 Air Flow Rate Cooling Low m min 9 00 9 00 10 00 15 00 Quantity 1 1 1 1 Model 3D12H1AN1V1 3D12H1AN1V1 3D12H1AP1V1 4D12H1AJ1V1 Motor w 15 15 20 45 Drive Direct drive Refrigerant Name R 410A Cooling Sound High dBA 38 0 38 0 40 0 42 0 Low dBA 33 0 33 0 34 0 37 0 m Type Flare connection Liquid OD Diameter mm 6 4 6 4 6 4 9 5 Piping _ oss Type Flare connection connections Diameter mm 12 7 12 7 12 7 15 9 Drain Diameter mm 32 32 32 32 Heat Insulation Foamed Polyethylene Model BYK45FJW1 BYK45FJW1 BYK45FJW1 BYK71FJW1 Colour White Dacofation Height 70
85. Type Flare connection Liquid OD Diameter mm 6 4 6 4 6 4 6 4 6 35 9 5 Piping _ Gas Type Flare connection connections Diameter mm 12 7 12 7 12 7 12 7 12 7 15 9 Drain Diameter mm 18 18 18 18 18 18 Heat Insulation Foamed polystyrene polyethylene Air Filter Washable resin net Refrigerant control Electronic expansion valve Temperature control Microprocessor thermostat for cooling and heating Safety devices PC boa rd fuse Standard Accessories Installation and operation manual Installation panel Paper pattern for installation Insulation tape Clamps Screws 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 Specifications 23 Specifications SiENBE34 802 Floor Standing Type 1 1 TECHNICAL SPECIFICATIONS FXLQ20MAVE FXLQ25MAVE FXLQ32MAVE FXLQ40MAVE FXLQ50MAVE FXLQ63MAVE Nominal Cooling kW 2 20 2 80 3 60 4 50 5 60 7 10 Capacity Heating kW 2 50 3 20 4 00 5 00 6 30 8 00
86. Unit Malfunction of Thermistor RAT Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting RXYSQ4 6PA Malfunction is detected according to the temperature detected by subcooling heat exchanger gas pipe thermistor When the subcooling heat exchanger gas pipe thermistor is short circuited or open Faulty subcooling heat exchanger gas pipe thermistor RAT Faulty outdoor unit PC board AN Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred connector for subcooling heat exchanger gas pipe thermistor connected to X12A of outdoor unit PC board A1P NO gt Connect connector and operate unit again Is the resistance measured after removing the thermistor R4T from outdoor unit PC board normal 3 5 to 360 NO gt Replace thermistor RAT gt Replace outdoor unit PC board A1P V3075 Refer to Thermistor Resistance Temperature Characteristics table on P251 Troubleshooting 179 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 32 JH Outdoor Unit Malfunction of High Pressure Sensor Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troub
87. be selected by the remote control 4 Remote control model varies according to the combination system See technical data and catalogs etc before connecting 3TW28826 1B 234 Appendix iagrams D iring FXKQ25MA 32 40MA 63MAVE SiENBE34 802 s1ojonpuoo 1eddoo esf 7 Kai AHO yoeld enig N14 eDuelO SHO MOII9A MIA SHUM LHM ANd Se MOUS SjoquiAS 9 VEX YZX uonoeuuoo BuuiM eu 4563 uiu eseo ul G iun y peuoegre eui 0 s rejep uj q pejoejes eq ued jjo uo JO JO episino y Bunoeuuoo UUM y BY eseo U 2 K10sseooe I Z
88. between terminals L3 and N of the 220 240 V Repair the broken wires and board then restart operation Supply 220 240 V Replace the fuse YES Check for the fan motor connector blown out Operation ready lamp H2P is blinking resistance between pins in excess of udgment criteria Is NO Replace the fuse F4U and the inverter PC board A2P Replace the fan motor Replace the inverter PC board Replace the fuse F4U amp does no go off for 12 minutes or outdoorand outdoor NO Replace outdoor unit PC board A1P Push and hold the RESET button on the outdoor unit PC board for 5 seconds outdoor unit transmission wiring normal Fix the indoor outdoor unit transmission wiring ERN Refer to information on P 219 Replace the outdoor unit PC board A1P V3187 Troubleshooting 195 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 45 US Malfunction of Transmission between Remote Control and Indoor Unit Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting All indoor unit models In case of controlling with 2 remote control check the system using microcomputer is signal transmission between indoor unit and remote control
89. charge the additional refrigerant in its liquid state through the service port on the liquid stop valve taking into account following instructions Turn on the power of the outdoor unit and indoor units Check that gas and liquid stop valves are closed Stop the compressor and charge the specified weight of refrigerant 80 Test Operation SiENBE34 802 Test Operation Ao To avoid compressor breakdown Do not charge the refrigerant more than the specified amount If the total refrigerant cannot be charged while the outdoor unit is at a standstill it is possible to charge the refrigerant by operating the outdoor unit using the refrigerant charge function refer to Setting mode 2 on page 108 and follow Procedure 3 Charging while the outdoor unit is operating on page 81 Procedure 3 Charging while the outdoor unit is operating See the figure in How to connect the tank on page 77 1 e Completely open the gas side stop valve and liquid side stop valve Valve A must be left fully closed Close the front panel and turn on the power to all indoor units and the outdoor unit Open valve A immediately after starting of the compressor Charge the additional refrigerant in its liquid state through the service port of the liquid line stop valve While the unit is at a standstill and under setting mode 2 refer to Checks before initial start up Setting mode 2 on page 108 set the required function A ad
90. connection Flare connection Braze connection Gas i Piping OD er mm 15 9 15 9 19 1 connections Quantity 3 3 3 Drain i 05 fmm 26 x3 Heat Insulation Both liquid and gas pipes Max total length m 300 300 300 Defrost Method Reversed cycle Defrost Contro Sensor for outdoor heat exchanger temperature Capacity Control Method Inverter controlled Capacity Control 24 to 100 Safety devices HPS Fan motor thermal protection Inverter overload protector PC board fuse Standard Accessories Installation manual Operation manual Installation manual Operation manual Connection pipes Notes 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 CDB 6 CWB equivalent refrigerant piping 5m level difference Om Sound power level is an absolute value that a sound source generates Sound pressure level is a relative value depending on the distance and acoustic environment For more details please refer to sound level drawings Sound values are measured in a semi anechoic room Specifications Specifications SiENBE34 802 Heat pump 50Hz RXYSQ PA7V1B
91. deicer temperature during a check operation When the amount of refrigerant which is calculated by using the heat exchanging deicer temperature during a check run exceeds the standard Refrigerant overcharge Misalignment of the thermistor for heat exchanger W Defect of the thermistor for heat exchanger A Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Check the mounting condition of the temperature sensors of the heat exchanging deicer thermistor in the piping Are the above thermistor installed on pipes correctly NO gt Install thermistor correctly Remove the heat exchanging deicer thermister from the loutdoor PC board and measure resistance with a tester Is the characteristic of NO the above thermistor normal gt Replace thermistor YES gt Refrigerant overcharged V2797 Refer to Thermistor Resistance Temperature Characteristics table on P251 Troubleshooting 173 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 26 H9 Outdoor Unit Malfunction of Thermistor R1T for Outdoor Air Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting RXYSQ4 6PA Malfunction is detected from the temperature detected by the outdoor air ther
92. dev uonejedo dL V dn 161 uonoejep 4 150 d8 d lH v 91 esn4 div ny e bd Jeyeay oseoyuelo O9HI3 youms diq 15 Joyoeden 0 29 19 19501 1591 uunjei 195 OPON yms pajud ure palud 19 18 61 LHM 21 e3 13 Joopu 24 14 01 uoissiuisuej 100pjno 100pino j2euuoo uieis s eui ueuM 8 eDueJO SHO SUM LHM umolg nag 0100 7 2 uonoejoid 11005 1 uop ueuM 9 UMS c LSA PU 958 158 esn 0 MOH u01 Jo uo uonneo G 19431 uondo eui ueuM SSejesioN Xp weios uuee jeuiuue J0j9euuoo pexi4 0 69 Jojeuuoo Q dujsjeutuue o g 4 2 yun y si Humm SIU peu Jojoejes 1 9 009 Agee EMI _ __ ZHOS
93. e Eea 64 5 2 Heating Operation Prohibition 64 Outline of Control Indoor ape rp equo e d pct 65 6 1 Drain Pump Control ce reet eee cet en rre snae des 65 6 2 Louver Control for Preventing Ceiling 67 6 3 Thermostat Sensor in Remote 68 6 4 Freeze ener 70 6 5 View of Operations of Swing Flaps 71 6 6 Electronic Expansion Valve 72 6 7 Hot Start Control In Heating Operation 72 Part 6 Test Operation 1 e eere e neenon 73 1s Test Operation ie ete eI e re ER E 74 1 1 Procedure oo eerta extitit 74 1 2 Operation when Power is Turned 85 Outdoor Unit PC Board Layout uaa e AREE UR ER 86 skin REA ERE LE 87 3 1 Field Setting from remote control 87 3 2 Field Setting from Outdoor Unit eee 104 Part 7 Troubleshooting o eoe e eene enn nnns 123 1 Symptom based Troubleshooting 125 2 Troubleshooting by Remote Contr
94. eui ejuw pue uo seof eui 10 fuejueujoui aseyd eso eseud piq ssod eui sisixe JOU 0 seoJnos amod eui 3ueuudinbe eui jo sisisuoo Uleis s siuy esneoeq ue ui seoJnos 1 y ULI YEU YMS eu jueuudinbe yore aul amod eui eui pue YOUMS eu e1sur 0 eins eg ouioeds e JO 0 JO jou pue juo uoroeuuoo jo sjurod sepoo pue edo ejqeordde y eouerduioo eq peys Hun 9 M eui uoissiusueJ SeJIM Z SLINN HOOGLNO ueioujoeje pesueoi Aq eq ysnw pue Iv Kepes 10 XLAQ ees 10 sy juo s1ojonpuoo Jaddoo 29 pue e20 eui snu ejis y uo peinooJd eq oj pue sjueuoduioo uoissiuisue e qeo seJIM Z Ao 1 aged S9JIM Z osna UOS 1 9 qe2 Salm 2 yms A ddns osn a UMS n YAMS Ure Hn A ddns 229 Appendix SiENBE34
95. for Check for causes of drop in low pressure 218 Centralized Control 208 Check for causes of rise in high pressure 217 Inverter Compressor Abnormal 184 Ch ck Operation 82 Inverter Compressor Motor LOCK 168 Check Operation not Executed 193 Inverter Current Abnormal 185 cx MH 162 Inverter Protection Control 63 Compressor Control 50 Inverter Start up 186 Contents of Control Modes 102 Cool Heat Mode Switching 113 J Cooling Operation Fan Control 52 JS niente tae iet detect NAE 175 donec n D ud E A EE 176 D JO cecus istae 177 Defrosting Operation 56 ATA NET 178 Demand Operation MID RERO PPS 64 matu te n edel 179 Detailed Explanation of Setting Modes 93 JA indian eom 180 Discharge Pipe Protection Control 62 on 181 Display Under Host Computer Integrate Control Blinks Repeats Double Blink 216 L Display Under Host Computer Integrate Control ME THEME 182 Blinks Repeats Single Blink 213 s
96. gt ele 00 009 00 0000 N DM danS T TL m EER av of of o o T Ws al Lp NHO MOT led 240 iagrams D iring SiENBE34 802 FXHQ32MA 63MA 100MAVE 1086 006 nx x 8X xoa sued ouier3 WECX V8 1X K40sseooe jeuondo 041009 Pal d 155 1eddoo esf d d rsen Wha 010 9ION episino yndu Ta E S 30N yoeld 41d enia eDuelo MOI 9A SUM LHM Xuld MNd SMOJ O0J Se MOUS S OQUIAS duind ureJp euonippe eui pue vgx Jo Jojoeuuoo poys eui duind eui eseo jun eui jenuew uoiel eisul eui Jeje1 Sjrejep uj Aq eq ueo uoneiedo jjo uo 10 YO episino 1ndui eui ueuM
97. gt E Body thermostat sensor is used for temperatures from 27 C to 30 E gt F And assuming suction temperature has changed from 30 C to 18 C F A Body thermostat sensor is used for temperatures from 30 C to 25 C F D Remote Control thermostat sensor is used for temperatures from 25 C to 21 C D gt B Body thermostat sensor is used for temperatures from 21 C to 18 C A 68 Function SiENBE34 802 Outline of Control Indoor Unit Heating 31 Preset temperature Ts i 16 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 body thermostat sensor only the unit may therefore be turned off by the thermostat before the lower part of the room reaches the preset temperature The temperature can be controlled so the lower part of the room where the occupants are doesn t become cold by widening the range in which thermostat sensor in Remote Control can be used so that suction temperature is higher than the preset temperature Suction temperature TH1 Range in which thermostat Range in which body E sensorin remote control can thermostat sensor be Differential be used used V2769 B Ex When heating Assuming the preset temperature in the figure above is 24 C and the suction temperature has changed from 18 C to 28 C A D This ex
98. located in a room 4 The system does not operate The system stops and immediately restarts operation Pressing the TEMP ADJUST button immediately resets the system If the OPERATION lamp on the remote control turns ON the system will be normal These symptoms indicate that the system is controlled so as not to put unreasonable loads on the system Normal operation The system will automatically start operation after a lapse of five minutes The remote control displays UNDER CENTRALIZED CONTROL which blinks for a period of several seconds when the OPERATION button is depressed The system is controlled with centralized control Blinking display indicates that the system cannot be operated using the remote Control Operate the system using the COOL HEAT centralized remote control The system stops immediately after turning ON the power supply The system is in preparation mode of micro computer operation Wait for a period of approximately one minute 5 The system makes intermittent stops The remote control displays malfunction codes U4 and U5 and the system stops but restarts after a lapse of several minutes The system stops due to an interruption in communication between units caused by electrical noises coming from equipment other than air conditioners Remove causes of electrical noises If these causes are removed the system will automaticall
99. lt 0 17MPa Y After 10 sec Current step limited Hot gas SVP OFF Pe gt 0 20MPa After 15 sec Pe lt 0 12MPa Pe gt 0 17MPa v INV upper limit frequency 1 step up from current Hot gas SVP ON compressor frequency Pe 0 07MPa Low pressure When occurring 3 times within 30 min standby the malfunction code E4 is output Function 61 Protection Control SiENBE34 802 4 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 INV compressor Discharge pipe protection 4 Tp gt 135 C HTdi gt 115 C A INV upper 1 step down from current compressor frequency control not limited i limit frequency After 30 sec HTdi gt 115 C Tp gt 135 C 4 HTdi gt 130 C HTdi gt 120 C for 90 sec or more or HTdi Value of INV compressor discharge pipe temperature Tdi compensated with outdoor air temperature Value of compressor port temperature Tp HTdi lt 100 C calculated by Tc and Te and suction Tp lt 110 C superheated degree amp HTdi lt 110 C Tp lt 125 C In discharge pipe temp protection control la INV upper limit frequency 1 step up from current compressor frequency After 20 s
100. nominal Sound High dBA 30 0 30 0 32 0 36 0 41 0 Cooling Tessure Low dBA 25 0 25 0 26 0 28 0 33 0 n Type Flare connection Liquid OD Diameter mm 6 4 6 4 6 4 6 4 6 4 Piping G Type Flare connection as connections Diameter mm 12 7 12 7 12 7 12 7 12 7 Drain Diameter mm 26 26 26 26 26 Heat Insulation Foamed polystyrene polyethylene Model BYFQ60B7W1 Colour White Ral 9010 Decoration Height 55 55 55 55 55 Panel Dimensions Width 700 700 700 700 700 Depth 700 700 700 700 700 Weight kg 2 7 2 7 2 7 2 7 2 7 Air Filter Resin net with mold resistance Refrigerant control Electronic expansion valve Temperature control Microprocessor thermostat for cooling and heating Safety devices PC board fuse Fan motor thermal protector Standard Accessories Installation and operation manual Paper pattern for installation Drain hose Clamp metal Washer fixing plate Sealing Pads Clamps Screws Washer for hanger bracket Insulation for fitting 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 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
101. of connection sse 249 5 Thermistor Resistance Temperature Characteristics 251 D Pressure SENSO see eciam drcum A ll eee NM ICE LEUTE 253 7 Method of Replacing the Inverter s Power Transistors Modules 254 Part 9 Precautions for New Refrigerant 410 257 Index 1 Precautions for New Refrigerant 4104 258 JEN mt 258 1 2 Refrigerant CylIniders aee eee tede tni 260 1 3 Service TOONS dace be pie be Duk eu eae esed 261 Drawings amp Flow Charts esee dli Table of Contents Introduction SiENBE34 802 1 Introduction 1 1 Safety Cautions Cautions and Warnings Be sure to read the following safety cautions before conducting repair work m The caution items are classified into N Warning and N Caution The A Warning items are especially important since they can lead to death or serious injury if they are not followed closely The A 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 About the pictograms A This symbol indicates an item for which caution must be exercised The pictogram shows the item to which attention must be paid O This symbol indicates a prohibited action The prohibited ite
102. optional controllers for centralized control simultaneously Isa parallel interface connected Is the schedule timer s individual combined connector connected Disconnect the schedule YES 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 connected with the connector for setting master Arrange so that the connector for setting master YES control is connected to one controller for centralized control and reset the power supply for all optional controllers for centralized control simultaneously Disconnect the connector for setting master control from Reset the power supply for the master controller all optional controllers for connect to another optional centralized control controller for centralized simultaneously control and simultaneously If the malfunction is still not cleared gt reset all optional controllers for centralized control again The controller connected by the connector for setting master control when the malfunction is cleared is defective and must be replaced V2834 Troubleshooting 209 Troubleshooting by Indication on the Centralized Remote Control SiENBE34 802 45 ME Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision
103. parentheses you can also set by each individual unit Setting changes however 4 Do not make settings other 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 control is resetting when returning to the normal mode If the setting mode to Equipped heat reclaim ventilation fan conducts the fan residual operation by linking to indoor unit The FXMQ50 63 80 100 125PVE cannot be set to 30Pa The FXMQ40PVE cannot be set to 180 or 200Pa Test Operation 91 Field Setting SiENBE34 802 3 1 5 Applicable range of Field setting Ceiling mounted cassette Slim Ceiling Ceiling Ceiling Wall Floor Concealed New Ceiling Details type Ceiling mounted Mounted suspended mounted standing Floor suspended No mounted built in duct type type type type standing cassette Roung Double d duct type type Middleand type type OW ow ype high static pressure FXFQ FXCQ FXKQ FXDQ FXSQ FXMQ P FXHQ FXAQ FXLQ FXNQ FXUQ Filter sign 1 Ultra long life filter sign Q 7 m D m i 2 remote control thermostat sensor 9 9 2 9 e 9 9 2 9 3 i e 9 12 Air flow auto adjustment P3 2h a 7 a m 5 Air flow adjustment Ceiling height Q 9 z 2 13 Air flow direction
104. power dBA 49 49 49 50 51 nominal High dBA 31 31 31 32 33 Cooling Sue 3 ressure Low dBA 28 28 28 28 28 High dBA 31 31 31 32 33 Heating 3 ressure Low dBA 28 28 28 28 28 m Type Flare connection Liquid OD Diameter mm 6 35 6 4 6 4 6 4 6 4 G Type Flare connection Piping as connections Diameter mm 12 7 12 7 12 7 12 7 12 7 Drain Diameter mm VP25 I D 25 0 D 32 Heat Insulation Foamed polystyrene polyethylene Sound absorbing insulation Foamed Polyurethane Model BYCQ140CW1 Colour RAL9010 Decoration Height mm 50 50 50 50 50 Panel Dimensions Width 950 950 950 950 950 Depth mm 950 950 950 950 950 Weight kg 5 5 5 5 5 5 5 5 5 5 Air Filter Resin net with mold resistance Standard Accessories Installation and operation manual Drain hose Washer for hanging bracket Screws Sealing Pads Insulation for fitting Clamp for drain hose Installation guide Drain sealing pad Notes The sound pressure values are mentioned for a uni installed with rear suction The sound power level is an absolute value indicating the power wich a sound source generates 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 CDB 6 CWB equivalent refrigerant piping 5m horizontal Capa
105. 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 cm P MPa gh Fie GC Patt a A AMA 480 1 380 h F kd kg sesso nts Seq 608 656 Pressure Enthalpy curves of HFC 32 125 50 50wt 258 Precautions for New Refrigerant R 410A SiENBE34 802 Precautions for New Refrigerant R 410A W Thermodynamic characteristic of R 410A DAIREP Temperature Steam pressure Density Specific heat at constant Specific enthalpy Specific entropy C kPa kg ms pressure kJ kgK kJ kg KJ KgK Liquid Vapor Liquid Vapor Liquid Vapor Liquid Vapor Liquid Vapor 9 1410 7 ADAT 1404 7 45 02 d 13986 5175 1302 5 55 00 385 4 1280 9 T2 38 3 2 1374 0 81 57 1367 8 Ran n 1361 6 59 185 1 355 3 101 32 01 17 19580 109 403 121 07 LHET 193 36 Ls 14 51 4 Lx 150 83 13235 170 74 182 71 1310 5 21537 Ab LFG 22920 1297 3 240 40 HA 20 6 EET ET E am 371 01 1283 9 203 98 1277 1 318 84 317 1270 2 1253 1 372 08 0 256 1 4004 1249 2 132 16 a 1242 0 465 20 1224 8 4 1227 6 E35 58 1220 0 BFS 26 1213 5 613 1204 5 ESS U7 1197 2 TOA 15 119
106. the humidifier if suction temperature is 20 C or above and turns OFF the humidifier if suction temperature is 18 C or below when the heating thermostat is OFF Mode No First Code No Second Code No Setting 01 15 25 1 rs 02 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 Mode No First Code No Second Code No Contents 01 Without direct duct connection 15 25 2 With direct duct 02 connection equipped with 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 Mode No First Code No Second Code No Contents 01 Individual operation of humidifier 15 25 3 Interlocked operation 02 between humidifier and drain pump 98 Test Operation SiENBE34 802 Field Setting 22 Individual Setting of Ventilation This is set to perform individual operation of heat reclaim ventilation using the remote control central unit when heat reclaim ventilation is built in Switch only when heat reclaim ventilation is built in Mode No First Code No Second C
107. the respective 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 expansion valve of indoor and outdoor units are fully opened TEST OPERATION and UNDER CENTRALIZED CONTROL are displayed on the remote control and the indoor outdoor unit operation is prohibited After setting do not cancel Setting Mode 2 until completion of refrigerant recovery operation Q Collect the refrigerant using a refrigerant recovery unit See the operation manual attached to the refrigerant recovery unit for more detal Press Mode button BS1 once and reset Setting Mode 2 120 Test Operation SiENBE34 802 Field Setting 3 2 6 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 In Setting Mode 2 with units in stop mode set B Refrigerant Recovery Vacuuming mode to ON The respective expansion valve of indoor and outdoor units are fully opened TEST OPERATION and UNDER CENTRALIZED CONTROL are displayed on the remote control and the indoor outdoor unit operation is prohibited After setting do not cancel Setting Mode 2 until completion of Vacuuming operation Use the vacuum pump to per
108. unit Lower 6 digits 12 Number of terminal blocks o e o 4 digits 13 Number of terminal blocks 4 digits Contents of malfunction the Malfunction lt Confirmation on setting contents gt 14 latest OO code tabie Contents of malfunction Push the RETURN BS3 button to 15 4 cycle before display different data of set items malfurietion 16 2 cycle before e 20 Contents of retry the latest 21 Contents of retry 1 cycle before 22 Contents of retry 2 cycle before Lower 2 digits Normal judgment of outdoor units e Abnormal 25 PC board o Normal Unjudgment Push me RE HORN Boe Pun end The numbers in the No column represent the number of times to press the switches to the initial status of Monitor mode SET BS2 button Setting item 0 Display contents of Various setting Push the MODE BS1 button and Md ON returns to Setting mode 1 Ku i setting OFF eo o V2765 Defrost select setting Short o e o Long o Te setting H o o L Tc setting H o e o o o o M L o
109. unit PC Board and Fan PC 154 Table of Contents SiENBE34 802 3 11 C4 Indoor Unit Malfunction of Thermistor R2T for Heat Exchanger 156 3 12 C5 Indoor Unit Malfunction of Thermistor R3T for Gas Pipes 157 3 13 CE Indoor Unit Failure of Combination Between Indoor unit PC Board and Fan PC 158 3 14 C9 Indoor Unit Malfunction of Thermistor R1T for Suction Air 159 3 15 CA Indoor Unit Malfunction of Thermistor for Discharge Air 160 3 16 Indoor Unit Malfunction of Humidity Sensor System 161 3 17 Cu Indoor Unit Malfunction of Thermostat Sensor in Remote Control 162 3 18 Outdoor Unit PC Board 163 3 19 Outdoor Unit Actuation of High Pressure Switch 164 3 20 Outdoor Unit Actuation of Low Pressure Sensor 166 3 21 ES Inverter Compressor Motor 168 3 22 EP Malfunction of Outdoor Unit Fan 169 3 23 ES Outdoor Unit Malfunction of Moving Part of Electronic Expansion Valve YE c 170 3 24 F3 Outdoor Unit Abnormal Discharge Pipe Temperature 172 3 25
110. valve ON OFF ON orn expansion valve SH control 480 pls 55 pls Subcooling electronic expansion valve EV3 0 pls 0 pls 0 pls Hot gas bypass valve SVP OFF OFF OFF 12 min Ending conditions 2 min or Ts1 Te lt 5 C r sid 2s From the preparing oil returning operation to the oil returning operation and from the oil returning operation to the operation after oil returning the compressor stops for 1 minute to reduce noise on changing of the four way valve Indoor unit actuator Heating oil return operation Thermostat ON unit OFF Fan Stopping unit OFF Thermostat OFF unit OFF Thermostat ON unit 416 pls Electronic expansion valve Stopping unit 256 pls Thermostat OFF unit 416 pls Function 55 Special Control SiENBE34 802 3 3 Defrosting Operation The defrost operation is performed to solve frost on the outdoor unit heat exchanger when heating and the heating capacity is recovered Conditions to start The defrost operation is started referring following conditions Outdoor heat exchanger heat transfer co efficiency B Temperature of heat exchange Tb W Timer 2 hours at the minimum In addition outdoor heat exchange co efficiency is derived from Tc Te and the compressor load Outdoor unit actuator Defrost preparation operation Defrost operation Post Defrost operation Compressor Upper limit control 140 Hz Full load 2 s
111. 0 14 00 Capacity Heating kW 8 00 10 00 16 00 Power input Cooling kW 0 161 0 209 0 256 Nominal Heating kW 0 126 0 176 0 223 Colour Non painted Casing Material Galvanised steel Height mm 405 405 405 Packing Width mm 1460 1808 1808 Depth mm 665 645 645 Dimensions Height 305 305 305 Unit Width mm 1180 1670 1670 Depth mm 600 600 600 Unit kg 35 47 48 Weight Packed Unit kg 42 55 56 Required Ceiling Void mm 350 350 350 Length mm 875x2 1365 1365 Nr of Rows 2x2 Fin Pitch mm 1 50 1 50 1 50 Dimensions Nr of Passes 6x2 5x2 6 Heat Face Area m 0 184x2 0 287x2 0 287x2 ea Exchanger Nr of Stages 10x2 Empty Tubeplate 8 Hole Tube type Hi XSS 7 Fi Fin type Symmetric waffle louvre in Treatment Hydrophilic Type Sirocco fan Fan Quantity 2 3 3 High m min 16 5 26 0 33 0 Cooling Low m min 13 0 21 0 25 0 Air Flow Rate High m min 16 5 26 0 33 0 Heating Low m min 13 0 21 0 25 0 Quantity 1 1 1 Steps Phase cut control Fan Motor Output high Ww 30 50 85 Drive Direct drive Refrigerant Name R 410A Sound Sound Level Cooling power dBA 52 0 54 0 60 0 nominal Sound High dBA 38 0 40 0 45 0 Coolin 9 Low dBA 33 0 35 0 39 0 Sound High dBA 38 0 40 0 45 0 Heatin 9 Low dBA 33 0 35 0 39 0 T Type Flare connection Liquid OD Diameter mm 9 5 9 5 9 5 Piping _ Gas Type Flare connection connections Diameter mm 15 9 15 9 15 9 Drain Diameter mm 32 32 32 Hea
112. 0 14 5 17 5 20 0 Model QTS48D11M QTS48C15M QTS48C15M QTS48C15M Fan Motor Steps 2 2 2 2 Output high Ww 56 120 120 120 Refrigerant Name R 410A Sound Sound Level Cooling power dBA 52 55 58 61 nominal High dBA 34 38 41 44 Cooling Eun 3 dBA 29 32 33 34 High dBA 36 38 42 44 Heating Sound 3 ressure Low dBA 30 32 34 34 x Type Flare connection Liquid OD Diameter mm 9 5 9 5 9 5 9 5 G Type Flare connection Piping as A connections Diameter mm 15 9 15 9 15 9 15 9 Drain Diameter mm VP25 I D 25 0 D 32 Heat Insulation Foamed polystyrene polyethylene Sound absorbing insulation Foamed Polyurethane Model BYCQ140CW1 Colour RAL9010 Decoration Height 50 50 50 50 Panel Dimensions Width 950 950 950 950 Depth 950 950 950 950 Weight kg 5 5 5 5 5 5 5 5 Air Filter Resin net with mold resistance Standard Accessories Installation and operation manual Drain hose Washer for hanging bracket Screws Sealing Pads Insulation for fitting Clamp for drain hose Installation guide 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 wich a sound source generates Nominal cooling capacities are based on indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB Notes equivalent refrigerant piping 5m level difference Om Nominal heating capac
113. 0 38 0 39 0 High dBA 40 0 43 0 44 0 Heating Sound 3 ressure Low dBA 35 0 38 0 39 0 Flare connection Liquid OD Diameter mm 9 5 9 5 9 5 Piping G Type Flare connection as connections Diameter mm 15 9 15 9 15 9 Drain Diameter mm 1 0 20 O D 26 Heat Insulation Heat resistant foamed polyethylene regular foamed polyethylene Air Filter Resin net with mold resistance Safety devices Fan motor thermal protector Standard Accessories Installation and operation manual Drain hose Clamp metal Insulation for fitting Sealing Pads Clamps Washer 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 CDB 6 CWB Notes 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 26 Specifications SiENBE34 802 Specifications BEV Units 11 1 1Technical Specifications BEVQ71MAVE BEVQ100MAVE BEVQ125MAVE Power input Cooling kW 0 189 0 298 0 298 Nominal Heating kW 0 169 0 278 0 278 Casing Material Galvanised steel plate Height mm 100 100 100 Dimensions Packing Width mm 350 3
114. 00 Cool Heat Binary number 1 0900000 1 Unified address O O 6 digits 3 Address i Binary number 1 2 USER OK E E E E JO 6 digits a 3 Test operation OFF 3 Test operation 09000000 Test operation ON OR E E E JOR gt Normal operation 5 Indoor forced fan e 0900000 Indoor forced fan Indoor forced e Normal operation 0900000 0 operation Indoor forced operation oOeooo000 High OE E E FOE E 8 Te setting e Q o o Normal factory setting OR E E E JOL Low High 0900000 9 Tc setting e Q o o Normal factory setting OR E E E OL Low OK A A AAFO Quick defrost 00070 Defrost ch 10 setting Changeover o o Q o Q Normal factory setting O e e E 0 o0 e Slow defrost External low noise demand 12 External low noise NO demand setting External low noise demand Exte Address Binary number 1 13 Airnet address O eo 0900000 6 digits 0000000 i OFF OE E E E E JOR 16 Setting of hot water ON 0900000 Additional refrigerant Refrigerant charging OFF 20 charging operation o e Q o o ox X XX X Xe setting Refrigerant charging ON Refriger
115. 012ejes 525 p plousjos sis 1009 qns uorsuedxe aoruoJe 3 0joejes uren uorsuedxe oruoJ129 3 OSION Jez 1019 eS H O 5 duis Wex iaquosqe uM duis jeuiuue eSION 312 epoiq HEA H2A SION 1 HIA Jei eSION UBIH eunssejg Hd LS 10 0 eunsseJg 10sues eunssejqd HdNIS 1e wog 168 z 188 c3 13 1 pinbry 10 5 14H 4oopinO 109 19H uoyons joisiuueu 198 joooqns 1 1 L ivy 1 4o1siuueu ley 20451 led joisiuueuL itu Joisised dev 28 14 JoisiseH div Fy jddns 1amog Sd ue4 1 40sse1dui02 1010 Agjas H9 HSM HvM SEA fele oneuDe yey fele SLA HIM J0joejuoo oneuBe V WEY 3919S uonejedo
116. 0PVE FXMQ63PVE FXMQ80PVE FXMQ100PVE FXMQ125PVE Cooling kW 4 5 5 6 7 1 9 0 11 2 14 0 Capacity Heating kW 5 0 6 3 8 0 10 0 12 5 16 0 Coolin kW 0 194 1 0 215 1 0 230 1 0 298 1 0 376 1 0 461 1 Power Input 9 0 193 2 0 214 2 0 229 2 0 297 2 0 375 2 0 460 2 Heating kW 0 182 0 203 0 218 0 286 0 364 0 449 Casing Material Galvanised steel plate Height mm 300 300 300 300 300 300 Dimensions Unit Width mm 700 1 000 1 000 1 000 1 400 1 400 Depth mm 700 700 700 700 700 700 Weight Unit kg 28 36 36 36 46 46 Nr of Rows 3 3 3 3 3 3 Heat Fin Pitch mm 1 75 1 75 1 75 1 75 1 75 1 75 Exchanger Dimensions g Face Area m 0 148 0 249 0 249 0 249 0 383 0 383 Nr of Stages 16 16 16 16 16 16 Fan Type Sirocco fan High high m min 16 18 19 5 25 32 39 Air Flow Rate Cooling High m min 13 16 5 17 5 22 5 27 33 Low m min 11 15 16 20 23 28 High Pa 160 200 200 200 200 200 External static pressure Standard Pa 100 100 100 100 100 100 Fan Low Pa 30 50 50 50 50 50 Output Ww 140 350 350 350 350 350 Motor high Drive Direct drive Flare connection Liquid OD Diameter mm 6 35 9 52 9 52 9 52 9 52 9 52 Pipin Gas Type Flare connection Diameter mm 12 7 15 9 15 9 15 9 15 9 15 9 Drain Diameter mm VP25 I D 32 O D 25 Refrigerant control Electronic expansion valve Temperature control Microprocessor thermostat for cooling and heating Safety devices Fuse Fan driver overload pr
117. 145 C Thermistor Suction Air R1T uo Thermistor for Heat ST8605 14 8 L1000 Thermistors Exchanger High Temp R T 20kQ 25 C Thermistor for Heat ROT ST8602A 6 8 L1250 Exchanger 20kQ 25 C Float Switch SiL FS 0211B Fuse A1P F1U 250V 3 15A Others F3U Fuse A2P A3P FAU 250V 6 3A Fuse A2P F2U 250V 5A List of Electrical and Functional Parts 35 List of Electrical and Functional Parts SiENBE34 802 Model Parts Name Symbol FXHQ FXHQ FXHQ Remark 32MAVE 63MAVE 100MAVE Remote Wired Remote Control BRC1D52 Option Contro Wireless Control BRC7E63W AC 220 240V 220V 50Hz 60Hz Fan Motor M1F 1963W 1130W Motors Thermal protector 130 C OFF 80 C ON Capacitor for Fan Motor 1 3 0uF 400V 9 0uF 400V Swing Motor M1S EM Thermistor Suction Air R1T STEKO Oe Thermistor for Heat ST8605 6 8 L 1250 ST8605 6 8 L 1250 Thermistors Exchanger High Temp 20kQ 25 C 20kQ 25 C Thermistor Heat ROT ST8602A 6 6 L 1250 ST8602A 6 6 L 1250 Exchanger 20kQ 25 C 20kQ 25 C Fuse F1U 250V 5A 5 2 Others Transformer TR22H21R8 Model Parts Name Symbol FxAQ FXAQ FXAQ FXAQ FXAQ FXAQ 20MAVE 25MAVE 32MAVE 40MAVE 50MAVE 63MAVE Wired Remote Control BRC1D52 Remote Infrared remote Option Control control BRC7E618 AC 220 240V 50Hz
118. 1D 232 Appendix SiENBE34 802 Wiring Diagrams FXFQ20P 25P 32P 40P 50P 63P 80P 100P 125P7VE 20 125 Class 22 140 Class 17 indoor ik m 1 hie E L IL H op fasi 1 Control Box 220 240 220V input outside 50 60Hz a contral ramats dmm Wired remote Me E control TH i c j 20 63 Class 80 125 Class 22 71 Class _ 90 140 Class Indoor unit M1S Motor Swing flap Reciever display unit Attached to 552 Selector switch Printed circuit board PS Power supply circuit infrared remote control Wireless adress set A2P Printed circuit board Q1DI Earth leak detector Printed circuit board Connector for optional parts C1 Capacitor RIT Thermistor Air A4P Printed circuit board X24A Connector F1U Fuse 250V R2T Thermistor Coil BS1 Push button on off infrared remote control F2U Field Fuse R3T Thermistor Header H1P Light emitting diode on red X33A Connector adapter for wiring HAP Light emitting diode S1L Float switch H2P Light emitting diode timer green X85A Connector group control adapter Service monitor green X1M Terminal strip H3P Light emitting diode filter sign red Wired remote control KPR Magnetic relay M1P X2M Terminal strip H4P Light emitting diode RIT Thermistor air L1 Coil Y1E Electronic expansion valve defrost orange SS1 Selector switch main su
119. 2 O ON OFF Malfunction Operation Malfunction contents Page code lamp Referred Indoor Unit AO Error of external protection device 142 A1 9 PC board defect E PROM defect 143 A3 9 Malfunction of drain level control system S1L 144 A6 9 Fan motor M1F lock overload 146 AT Malfunction of swing flap motor M1S 147 A8 9 Abnormal power supply voltage 149 A9 9 Malfunction of moving part of electronic expansion valve Y1E 150 AF Drain level above limit 152 AJ 9 Malfunction of capacity setting 153 C1 9 Failure of transmission between indoor unit PC board and fan PC board 154 C4 9 Malfunction of thermistor R2T for heat exchange loose connection 156 disconnection short circuit failure C5 9 Malfunction of thermistor R3T for gas pipes loose connection 157 disconnection short circuit failure C6 9 Failure of combination between indoor unit PC board and fan PC board 158 C9 9 Malfunction of thermistor R1T for suction air loose connection 159 disconnection short circuit failure CA 9 Malfunction of thermistor for discharge air loose connection 160 disconnection short circuit failure CC Malfunction of humidity sensor system 161 CJ Malfunction of thermostat sensor in remote control 162 Outdoor Unit E1 9 PC board defect 163 E3 9 Actuation of high pressure switch 1
120. 2 7 3 5 E Inthe Case of FXFQ20 80 round outlet Mode First Second No code code Setting Ceiling height m Standard All 01 round outlet lt 2 7 1329 0 02 High Ceiling 1 27 3 03 Higher Ceiling 2 3 3 5 Inthe Case of FXFQ100 125 round outlet Mode First Second No code code Setting Ceiling height m Standard All 01 round outlet lt 3 2 13 23 0 02 High Ceiling 1 3 2 3 6 03 Higher Ceiling 2 3 6 4 2 Inthe Case of FXFQ20 80 24 Way 3 Way 2 Way Outlets First Second Ceiling height code code Setting No No 4 way Outlets 3 way Outlets 2 way Outlets 01 Standard N Lower than 3 1 m Lower than 3 0 m Lower than 3 5 m 13 23 0 02 High Ceiling H Lower than 3 4 m Lower than 3 3 m Lower than 3 8 m 03 Higher Ceiling S Lower than 4 0 m Lower than 3 5 m Inthe Case of FXFQ100 125 24 Way 3 Way 2 Way Outlets First Second Ceiling height Mode code code Setting No No No 4 way Outlets 3 way Outlets 2 way Outlets 01 Standard N Lower than 3 4 m Lower than 3 6 m Lower than 4 2 m 13 23 0 02 High Ceiling Lower than 3 9 m Lower than 4 0 m Lower than 4 2 m 03 Higher Ceiling S Lower than 4 5 m Lower than 4 2 m 1 Mode No setting is done in a batch for the group To make or confirm se
121. 20 240V power supply Replace indoor unit PC board Connect the connector to X9A and turn on again Replace swing motor Replace the limit switch connecting cable Replace indoor unit PC board Replace the power supply connecting cable Replace swing motor Take the cam mechanism apart reassemble and turn on again V2780 148 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 6 Abnormal Power Supply Voltage Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting FXMQ40 125P Detect malfunction checking the input voltage of fan motor When the input voltage of fan motor is 150V and below or 386V and above The possible causes are Power supply voltage malfunction Connection defect on signal line W Wiring defect W instantaneous blackout others N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check the condition of the power source 1 Check if power supply voltage is 220V 240V 10 Check if there is power open phase or faulty wiring 9 Check if power supply voltage side unbalance is within 6V There are problems on the condition of power source described above YES YES Correct any fault A8 Reoccurren
122. 22 36 class 45 71 class 33H Float switch Thermistor Air K1R Magnetic relay J1EH A1P Printed circuit board R2T Thermistor Refrigerant Adapter for wiring A2P Terminal board RyF1 3 Magnetic relay Fan RyC RyF Magnetic relay Capacitor Fan RyP Magnetic relay Drain pump RyH Magnetic relay J1EH F1U Fuse 250V 5A Transformer 220 240V 22V F1U F2U Fuse 250V 5A F2U Field fuse X1M Terminal strip Power X1A X2A Connector wiring adapter HAP Light emitting diode X2M Terminal strip Control X1M Terminal strip Service monitor Green Y1E Electronic expansion valve Connector for optional parts Motor Indoor fan Optional parts X16A Connector Wiring adapter Motor Drain pump F3 5U Fuse 250 16A X18A Connector Q2E Earth leak detector J1EH _ Electric heater Wiring adapter for electrical appendices Notes 1 Use copper conductors only 2 When using a central remote control 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 For High or Low ESP operation change the wiring connection of X4A as shown on the wiring diagram 5 When connecting the input wires from the outdoor unit forced off or on off operation can be selected by the remote control For more details see installation manual 2TW23686 1C 238 Appendix SiENBE34 802 Wiring Diagrams
123. 254 256 Refer to information on P 219 192 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 43 Us Check Operation not Executed Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting RXYSQ4 6PA Check operation is executed or not Malfunction is decided when the unit starts operation without check operation W Check operation is not executed Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred A Caution Has the check operation performed on Outdoor unit PC board NO gt Press the BS4 on PC board on the master outdoor unit for 5 seconds or more to execute check operation gt Replace the main PC board on the outdoor unit V3052 Troubleshooting 193 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 44 U4 Malfunction of Transmission between Indoor Units and Outdoor Units Remote Control L1 Display Applicable All indoor unit models Models RXYSQ4 6PA Method of Microcomputer checks if transmission between indoor and outdoor units is normal Malfunction Detection Malfunction When transmission is not carried out normally for a certain amount of time Decision Conditions Supposed W Indoor to outdo
124. 4 45 Define by pushing the timer button After defining LCD code changes blinking to ON 5 Return to the normal operation mode Push the button one time TEST Troubleshooting 133 Troubleshooting by Remote Control 4 802 Function Contents and operation method Remote control display example No un Malfunction Display malfunction hysteresis hysteresis display The history No can be changed with the 5 Unit 1 button 40 Malfunction code 2 U4 Malfunction code Hystory No 1 9 VEO 1 Latest 1 Display of sensor Display various types of data and address data Select the data to be displayed with the f button Sensor data Sensor data display 0 Thermostat sensor in remote control Unit No Sensor type 1 Suction 2 Liquid pipe 3 Gas pipe 11 ul 27 Address data S 4 Indoor unit address Temperature C 5 Outdoor unit address 6 BS unit address Address display T Zone control address it N A t 8 Cool heat group address SNO ype 9 Demand low noise address 18 A EC VE008 Forced fan ON Manually turn the fan ON by each unit When you want to search for the unit No By selecting the unit No with the button en you can turn the fan of each indoor unit on forced ON individually 43 VE009
125. 4 802 A Warning Be sure to use the specified cable to connect between the indoor and outdoor units Make the 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 gas
126. 40 Outdoor Unit High Voltage of Capacitor in Main Inverter Circuit 188 3 41 UD Low Pressure Drop Due to Refrigerant Shortage or Electroni Expansion Valve 189 3 42 Uc Power Supply Insufficient or Instantaneous Failure 191 3 43 US Check Operation not Executed 193 3 44 LH Malfunction of Transmission between Indoor Units and Outdoor Units 194 3 45 US Malfunction of Transmission between Remote Control and Indoor Unit 196 3 46 0 Malfunction of Transmission between Main and Sub Remote Controls 197 3 47 US Malfunction of Transmission between Indoor and Outdoor Units in the Same System eeeesee nennen nhe 198 3 48 UR Excessive Number of Indoor Units eesnnn 200 3 49 UL Address Duplication of Central Remote Control 201 3 50 UE Malfunction of Transmission between Central Remote Control and Indoor nt cereo cec cete M e fet nae ette Pur rer aa 202 3 5 T UF System IS MOU Seb yel uiid to ro abr OR OR ne SOR EAR 203 3 52 UH Malfunction of System Refrigerant System Address Undefined 204 Table of Contents SiENBE34 802 4 5 Troubleshooting by Indication on the Centralized Remote Control 205 4 1 UE Malfunction of Transmission between Centralized Remote
127. 5 0 135 Casing Colour White 10Y9 0 5 Height 195 195 195 Dimensions Unit Width mm 960 1160 1400 Depth mm 680 680 680 Weight Unit kg 24 28 33 Nr of Rows 2 3 3 Fin Pitch mm 1 75 1 75 1 75 Exchanger Face Area 0 182 0 233 0 293 Nr of Stages 12 12 12 Type Sirocco fan Fan Quantity 1 1 1 Air Flow Rate Cooling High 12 00 17 50 25 00 Low m min 10 00 14 00 19 50 Quantity 1 1 1 Model 3D12K1AA1 4D12K1AA1 3D12K2AA1 Fan Motor w 62 62 130 Drive Direct drive Refrigerant Name R 410A Cooling Sound dBA 36 0 39 0 45 0 dBA 31 0 34 0 37 0 ens Type Flare connection Liquid OD Diameter mm 6 4 9 5 9 5 Piping cas Type Flare connection connections Diameter mm 12 7 15 9 15 9 Drain Diameter mm 26 26 26 Heat Insulation Glass wool Air Filter Resin net with mold resistance Refrigerant control Electronic expansion valve Temperature control Microprocessor thermostat for cooling and heating Safety devices PC board fuse Fan motor thermal protector Standard Accessories Installation and operation manual Drain hose Paper pattern for installation Clamp metal Insulation for fitting Clamps Washer Nominal cooling capacities are based on indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 7 5m horizontal Notes Nominal heating capacities are based on indoor temperature 20 CDB outdoor temperature 7 C
128. 5 61 31 154 79 151 57 81 24 26 23 87 131 5 54 5 46 32 148 43 145 37 82 23 48 23 10 132 5 39 5 32 33 142 37 139 44 83 22 73 22 36 133 5 25 5 18 34 136 59 133 79 84 22 01 21 65 134 5 12 5 05 35 131 06 128 39 85 21 31 20 97 135 4 98 4 92 36 125 79 123 24 86 20 63 20 31 136 4 86 4 79 37 120 76 118 32 87 19 98 19 67 137 4 73 4 67 38 115 95 113 62 88 19 36 19 05 138 4 61 4 55 39 111 35 109 13 89 18 75 18 46 139 4 49 4 44 40 106 96 104 84 90 18 17 17 89 140 4 38 4 32 41 102 76 100 73 91 17 61 17 34 141 4 27 4 22 42 98 75 96 81 92 17 07 16 80 142 4 16 4 11 43 94 92 93 06 93 16 54 16 29 143 4 06 4 01 44 91 25 89 47 94 16 04 15 79 144 3 96 3 91 45 87 74 86 04 95 15 55 15 31 145 3 86 3 81 46 84 38 82 75 96 15 08 14 85 146 3 76 3 72 47 81 16 79 61 97 14 62 14 40 147 3 67 3 62 48 78 09 76 60 98 14 18 13 97 148 3 58 3 54 49 75 14 73 71 99 13 76 13 55 149 3 49 3 45 50 72 32 70 96 100 13 35 13 15 150 3 41 3 37 252 Appendix Pressure Sensor SiENBE34 802 6 Pressure Sensor Pu Detected Pressure High Side MPa PL Detected Pressure Low Side MPa Vu Output Voltage High Side VL Output Voltage Low Side 1 38V 0 69 PL 0 57V 0 28 High pressure MPa Detected Pressure r3 02 o 25D E o as HOC gt gt a xd c rn n S 2 Voc V3053 Output Voltage Vu VL 253 A
129. 50 350 Depth mm 225 225 225 Sound absorbing thermal insulation material Flame and heat resistant foamed polyetherene Weight Unit kg 3 0 3 0 3 5 mnm Type Flare connection Liquid OD 1 Diameter mm 9 5 9 5 9 5 Indoor Units Type Flare connection Gas Diameter mm 15 9 15 9 15 9 fes Type Flare connection Liquid OD 3 Diameter mm 9 5 9 5 9 5 Outdoor Unit Suction gas TYPe Flare connection OD Diameter mm 15 9 15 9 15 9 Standard Item Installation manual Gas piping connections Insulation for fitting Sealing material Clamps Accessories piping 9 9 Specifications 27 Specifications SiENBE34 802 28 Specifications SiENBE34 802 Part 3 List of Electrical and Functional Parts 1 List of Electrical and Functional Parts 30 VAY Outdoor UN fase c eo eerie teret tue toe tetas cete doter de 30 1 2 Indoor ite ei eet te 32 List of Electrical and Functional Parts 29 List of Electrical and Functional Parts SiENBE34 802 1 List of Electrical and Functional Parts 1 4 Outdoor Unit RXYSQ4 5 6PA7Y1B Model Remark Item Name Symbol JHP SHP PCB terminal Type JT1G VDLYR Relay Invert M1C Compressor Output 2 5kW 3 0kW 3 5kW A2P X102A Crankcase heat
130. 50 550 700 700 Depth mm 800 800 800 800 800 Weight Unit kg 30 30 30 30 31 Packed Unit kg 34 34 34 34 35 Required Ceiling Void mm 350 350 350 350 350 Length mm 300 300 300 450 450 Nr of Rows 3 3 3 3 3 Fin Pitch mm 1 75 1 75 1 75 1 75 1 75 Dimensions Nr of Passes 3 3 3 4 4 Heat Face Area m 0 088 0 088 0 088 0 132 0 132 Exchanger Nr of Stages 14 14 14 14 14 Empty Tubeplate Hole 14 Tube type Hi XSS 7 Fin Fin type Symmetric waffle louvre Treatment Hydrophilic Fan Type Sirocco fan Quantity 1 1 1 1 1 High m min 9 00 9 00 9 50 11 50 15 00 Cooling 3 Air Flow Rate Low m min 6 50 6 50 7 00 9 00 11 00 Heating High m min 9 00 9 00 9 50 11 50 15 00 Low m min 6 50 6 50 7 00 9 00 11 00 High Pa 125 125 104 116 136 Standard 105 105 88 98 114 Low Pa 96 96 78 85 99 Quantity 1 1 1 1 1 Fan Model D18H3AA1V1 D18H3AA1V1 D18H3AA1V1 D18H2AC1V1 D18H2AB1V1 Motor Steps step motor eh w 50 50 50 65 85 Drive Direct drive Refrigerant Name R 410A Sound Sound Level Cooling power dBA 50 0 50 0 51 0 56 0 58 0 nominal Cooling Sound High dBA 32 0 32 0 33 0 33 0 35 0 Pressure Low dBA 28 0 28 0 28 0 29 0 31 0 Heating Sound High dBA 32 0 32 0 33 0 33 0 35 0 Pressure Low dBA 28 0 28 0 28 0 29 0 31 0 ome Type Flare connection Liquid OD Diameter mm 6 35 6 35 6 35 6 35 6 35 Piping _ Gas Type Flare connection connections Diameter mm 12 7 12 7 12 7 12 7 12 7 Drain Diameter mm 32 32 32 32 32 Heat Insulation Both liquid and gas pipes
131. 53 2 Make a comparison between the high pressure value checked with the Service Checker and the voltage of the pressure sensor see 1 8 Make measurement of voltage of the pressure sensor i Connector for high 4 Red High HT 3 Black pressure Sensor 2 Micro controller A D input 1 White Make measurement of DC voltage between these wires 4 Troubleshooting 165 Troubleshooting by Indication on the Remote Control SiENBE34 802 rb 4 3 20 Outdoor Unit Actuation of Low Pressure Sensor cu Remote Control Ld Display Applicable RXYSQ4 6PA Models Method of Abnormality is detected by the pressure value with the low pressure sensor Malfunction Detection Malfunction Error is generated when the low pressure is dropped under specific pressure Decision Operating pressure 0 07MPa Conditions Supposed Abnormal drop of low pressure Lower than 0 07MPa Causes Defect of low pressure sensor Defect of outdoor unit PC board A1P Stop valve is not opened 166 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control Troubleshooting AN Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Open the stop valve Is the stop valve open 9 Mount a pressure gauge on the low pressure service port Connect t
132. 64 E4 9 Actuation of low pressure sensor 166 E5 Compressor motor lock 168 E6 Standard compressor lock or over current E7 9 Malfunction of outdoor unit fan motor 169 E9 9 Malfunction of moving part of electronic expansion valve Y1E Y3E 170 F3 9 Abnormal discharge pipe temperature 172 F6 9 Refrigerant overcharged 173 H3 Failure of high pressure switch H4 9 Actuation of low pressure switch H7 9 Abnormal outdoor fan motor signal H9 9 Malfunction of thermistor R1T for outdoor air loose connection 174 disconnection short circuit failure J2 9 Current sensor malfunction J3 9 Malfunction of discharge pipe thermistor R2T loose connection 175 disconnection short circuit failure J5 9 Malfunction of thermistor R3T R5T for suction pipe loose connection 176 disconnection short circuit failure J6 9 Malfunction of thermistor R6T for heat exchanger loose connection 177 disconnection short circuit failure J7 9 Malfunction of thermistor R7T for outdoor unit liquid pipe 178 J9 9 Malfunction of subcooling heat exchanger gas pipe thermistor RAT 179 JA 9 Malfunction of high pressure sensor 180 JC Malfunction of low pressure sensor 181 LO 9 Inverter system error L1 9 Malfunction of PC board 182 L4 9 Malfunction of inverter radiating fin temperature rise 183 L5 9 Inverter compressor abnormal 184 L8 9 Inverter current abnormal 185 L9 Inverter start up error 186 136 Troubleshoo
133. 7 JL 7 RC 1 00 Main RC Sub RC Group Control by Remote Contol 1 01 1 02 autmatic unit address F1 F2 P1 P2 F1 F2 P1 P2 F1 F2 P1 P2 F1 F2 P1 P2 N H A N X J No Remote Control 1 03 RC 1 04 v0917 N 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 Test Operation 101 Field Setting SiENBE34 802 3 1 8 Setting of Operation Control Mode from remote control Local Setting The operation control mode is compatible with a variety of controls and operations by limiting the functions of the operation remote control Furthermore operations such as remote control ON OFF can be limited in accordance with the combination conditions Refer to information in the next page Central remote control 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 control can be set and displayed by operation modes 0 through 19 ON OFF control impossible by remote control Used when you want to turn on off by central remote control only Cannot be turned on off by remote control OFF control only possible by remote control Used when you want
134. 70 70 70 Panel Dimensions Width 1240 1240 1240 1440 Depth mm 800 800 800 800 Weight kg 8 5 8 5 8 5 9 5 Air Filter Resin net with mold resistance Refrigerant control Electronic expansion valve Temperature control Microprocessor thermostat for cooling and heating Safety devices PC board fuse Drain pump fuse Fan motor thermal Standard Accessories Installation and operation manual Metal clamp for drain hose Clamps Insulation for hangar bracket Positioning Jig for Installation Paper pattern for installation Drain hose Insulation for fitting Sealing Pads Screws Washer Air Outlet blocking pad 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 CDB 6 CWB Notes 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 16 Specifications SiENBE34 802 Specifications Slim Ceiling Mounted Duct Type 1 1 TECHNICAL SPECIFICATIONS FXDQ20PVE
135. 802 Troubleshooting by Indication on the Remote Control 3 22 Malfunction of Outdoor Unit Fan Motor Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting RXYSQ4 6PA Malfunction of fan motor system is detected according to the fan speed detected by hall IC when the fan motor runs W When the fan runs with speed less than a specified one for 6 seconds or more when the fan motor running conditions are met When malfunction is generated 4 times the system shuts down m Malfunction of fan motor W The harness connector between fan motor and PC board is left in disconnected or faulty connector Fan does not run due to foreign matters tangled Clearing condition Operate for 5 minutes normal Open phase L1 or open phase N N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred as the voltage between L1 and N on the power supply rol SO IBI NO gt Correct the power supply within the range of 220 to 240 10 50 voltage Hz If L1 N phases are open replace the switch box YES gt Connect the connector S there any obstacle YES around the fan gt Remove the obstacle Can the fan be turned smoothly with hand after disconnect the connector of fan motor Has
136. 802 iagrams D iring RXYSQ4 5 6PA7V1B 46929002 HOOQNI L fd Lu 1 e qeo Z uorssiuusueg e qeo seJIM Z seoinos Jamod ejdnjnui eui Burzi 3ueuidinbe eui jo 51515009 Ulejs s si esneoeq jeuueui ue ui seonos 1 y UBD Jey uos eu e1su jueuudinbe uoee jo amod esnj ay pue uoiMs eui jeisur 0 GINS eg 8 Uonej eis JOads e 10 e 10 10 pepuejur jou pue juo uonoeuuoo Jo sjuiod sepoo jeuoneu pue peoo ejqeordde y eouerjduioo eq peys yun 9 o Fi eui 1 9 qeo SoM Z 9 qe9 S8JIM Z asn4 esna amod S8JIM 2 YOUMS LL YOUMS LINN HOOGLNO pesueoi Aq eq snw pue Kazes 104 jexeoJq ejsu Buum ees Serap 10 Sv 1eddoo esf sepoo pue e20 ejqeardde eui jduoo s y uo peinooJd eq oj pue sjueuoduioo Ao SejoN na uorssiusueJ SIM 2 _ e qeo SeJIM 2 osna i uou YAMS Kjddns
137. 85 Outdoor Unit PC Board Layout SiENBE34 802 2 Outdoor Unit PC Board Layout RXYSQ4 5 6PA7Y1B A2P x RXYSQ4 5 6PA7V1B 2 gt LE A2P 1 1171 T M _ MH n ew AT Erdek E 222 L A esi CRE ear T Low 298 Errori ndiidual E kee He t4 DIP switches i Demand Z Es 82 Bs3 Esa ess m 051 1 and DS1 2 2 8 Lay 44 MODE SET RETURN 7 7 Sets the address again when the wiring is changed or an indoor unit is added Performs the test run Used at field set Changes the set mode LED indicator status Turn off it i Turn on Flicker on or off The LED indicator status shown left indicates the status at factory set 86 Test Operation SiENBE34 802 Field Setting 3 Field Setting 3 1 Field Setting from remote control Individual function of indoor unit can be changed from the remote control At the time of installation or after service inspection repair make the local setting in accordance with the following description Wrong setting may cause malfunction When optional accessory is mounted on the indoor unit setting for the indoor unit may be required to change Refer to information in the
138. 94 753 04 1181 4 HO Bz 1173 4 Bor 1105 3 218 77 m 1157 0 ire AED 1199 9 tta E 22 1140 0 5 fi 1131 3 1155 4 ill 1122 5 1224 3 3 11115 1295 2 Ao 1104 4 165 51 10051 1940 4 3 1086 0 1530 5 1515 8 Jat 1066 0 1704 2 al 10559 1798 2 16045 5 z EET pi Lib Rl bL En iub me Seer td 3 288 558 189 4 1951 3 ai 124 1 2004 5 3 012 9 220 7 1001 4 4313 0 ag f 2408 4 18 7 2568 4 i DEAG 01 4 CHOOT 4 7 29216 0213 Led Ha HEEE 95883 5 BET 238885 E zd E ipa 1022 ATE Hibs 169 81354 Fu Thi mi Len PE Iu g 4 Precautions for New Refrigerant R 410A 259 Precautions for New Refrigerant R 410A SiENBE34 802 1 2 Refrigerant Cylinders Cylinder specifications The cylinder is painted refrigerant color pink The cylinder valve is equipped with a siphon tube Cylinder rT T Siphon tube Refrigerant can 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 of cylinders 1 Laws and regulations R 410A is liquefied gas and the High Pressure Gas Safety Law must b
139. ASLv 08 NE jddns 160g 227 Appendix SiENBE34 802 iagrams D iring RXYSQ4 5 6PA7V1B p piousios SLA 1009 qns uorsuedxe oiuo29 3 SEA ure N o1u04129 3 10 H O dias peulweL NLX 2 dis NZX Aiddns duis euiuua NLX 1991 LHA epoiq HE A HZA 1 HtA uoiws HdlS 10sues einsseJg ldNIS 10sues einsseJg HdNIS 4 L z pinbr1 189 1 pinbr1 129 1 198 z uonong 1 15 1 L 198 1 uonong Jey DLW lcd 109 10181020 L ibd Joisised 2d Jojsised by Ajddns samoq Sd 49M07 Ue4 Ac 4addr ue4 1 1010 40 19 8H Hr Agios oneuDe A HS OHL3 HUM yey SEA eja1 SZA HM SLA oneuDe Jojoe
140. AVE Wired Remote Control BRC1D52 Remote Infrared remote Option Control control BRC4C62 AC 220 240V 50Hz T Fan Motor M1F 1915W 125W 135W otors Thermal protector 135 C OFF 120 C ON Capacitor for Fan Motor 1 1 0uF 400V 0 5uF 400V 1 0uF 400V 1 5uF 400V 2 0uF 400V Thermistor Suction Air R1T STEKO OSC Thermistor for Heat ST8605 9 8 L2500 Thermistors Exchanger High Temp BAT 20kQ 25 C Thermistor for Heat R2T ST8602A 9 6 L2500 Exchanger 20kQ 25 C Fuse F1U AC250V 5A Others Transformer 1 TR22H21R8 Model Parts Name Symbol Remark FXUQ71MAV1 FXUQ100MAV1 FXUQ125MAV1 Wired Remote Control BRC1C62 Remote Infrared remote Option Control control BRC7C528W AC 220 240V 50Hz Fan Motor M1F 1045W 1990W Thermal protector 130 C Thermal protector 130 C OFF 83 ON Motors Drain Pump M1P AC220 240V ea 60Hz Swing Motor M1S MU t Thermistor Suction Air R1T Thermistors Thermistor Heat ROT ST8602A 4 6 L 800 Exchanger 20kQ 25 C Others Float Switch SiL FS 0211B List of Electrical and Functional Parts 37 List of Electrical and Functional Parts SiENBE34 802 38 List of Electrical and Functional Parts SiENBE34 802 Part 4 Refrigerant Circuit 1 GIF CHILE olo dob rbd ox Dr ark du a 40 1 4 2Ouitdootr S Qn ue ER NER eda egi deti 40 2 Functional Parts Layout 2 Dude reso eta tese i
141. Area m 1 131 Nr of Stages 60 60 60 Tube type Hi XSS 8 Fi Fin type Non symmetric waffle louvre in Treatment Corrosion resistant Type Propeller Quantity 2 2 2 Air Flow Rate Cooling m min 106 106 106 Fan nominal at 230V Heating m min 102 105 105 Discharge direction Horizontal Quantity 2 2 2 Motor Model Brushless DC motor Cooling rpm 850 815 Motor Speed i 9 P nominal Heating rpm 820 785 840 805 840 805 Drive Direct drive Fan Motor Output motor 70 70 70 Quantity 1 1 1 Quantity 1 1 1 Model JT100G VDLYR Type Hermetically sealed scroll compressor Compressor Motor Speed rpm 6 480 Motor Output KW 2 5 3 0 3 5 Starting Method Direct on line Crankcase Heater W 33 33 33 Cooling Standard Min CDB 5 5 5 Cooling Max CDB 46 46 46 Operation CWB 20 20 20 Range Heating Max CWB 15 5 15 5 15 5 6 Specifications SiENBE34 802 Specifications 1 1 TECHNICAL SPECIFICATIONS RXYSQ4PA7Y1B RXYSQ5PA7Y1B RXYSQ6PA7Y1B Sound Power Nominal dBA 66 67 69 Cooling Sound Pressure dBA 50 51 53 Sound level Nominal Sound Heating Pressure dBA 52 53 55 Nominal Name R 410A kg 4 0 4 0 4 0 Refrigerant Control Expansion valve electronic type Nr of Circuits 1 1 1 Refrigerant Name Daphne FVC68D Oil Charged Volume 15 15 1 5 Liquid Type Flare connection iqui 00 OD er mm 9 52 9 52 9 52 Type Flare
142. BEV unit cannot be carried out unless they are conencted to BS unit In case of a system with BEV unit only cool heat selector is required Set the SS1 to 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 3D044901B Appendix 245 Option List SiENBE34 802 3 Option List 3 1 Option List of Controllers Operation Control System Optional Accessories res Fxza FXMQ FXUQ FXAQ FXNQ 1 Wired remote control BRC1D52 2 Infrared remote cooling only BRC7F533 BRC7E531 BRC7C67 BRC4C63 BRC4C64 BRC4C66 BRC7C529 BRC7E66 BRC7E619 BRC4C64 control heat pump BRC7F532 BRC7E530 BRC7C62 BRC4C61 BRC4C62 BRC4C65 BRC7C528 BRC7E63 BRC7E618 BRC4C62 3 Simplified remote control BRC2C51 BRC2C51 4 Mes remote control for hotel A BRC3A61 BRC3A61 5 Centralised remote control DCS302C51 6 Unified ON OFF control DCS301B51 7 Schedule timer DST301B51 8 Wiring adapter KRP1B57 1 KRP1B61
143. Bu ezis Buidid uoroeuuoo Buidid epis seD y jo jejeureip edid y jun Jo ezis uogoeuuoo s eins eq 065 s uj amp ue Burdid juejeAmnbe eur jI se y eq jsnui jun JOOPU uonoeuuoo 9215 edid y ezis edid ayy SN iun 400pjno y uo Buidid uonoeuuoo ay jo ezis eui oi YEN sedid uonoeuuoo uo pue Buldig 2 syy uoueJq Buldig u2ueJq pue 400pino ezis edid H6cINcCOHHM 9 LOZWECOUHY 9 VOSAXY 6 adj Ayoedes weu Ayoedes VOLv H pesn eq Ajuo ULO Sibi uouerq JURIED OY Jepeeu eui esr quiof 1euje1 eu esf uonoe es uoue4q Ops 8 ejdurexa3 Op 8 OPSU q 9 ejdurexa3 Opsd 6 j 9 p 0 q g ejdurexa ujBue edid jenjoy youesq y Jaye 1eujoi JO JUIO jeujeJ 194419 154 YOURIG 151 WO YBUa 1ufieu syun sun 100 uee eq 16199
144. C 0 0 0 5 T C 0 0 0 5 T C 0 0 0 5 0 640 44 624 65 50 72 32 70 96 100 13 35 13 15 1 609 31 594 43 51 69 64 68 34 101 12 95 12 76 2 579 96 565 78 52 67 06 65 82 102 12 57 12 38 3 552 00 538 63 53 64 60 63 41 103 12 20 12 01 4 525 63 512 97 54 62 24 61 09 104 11 84 11 66 5 500 66 488 67 55 59 97 58 87 105 11 49 11 32 6 477 01 465 65 56 57 80 56 75 106 11 15 10 99 7 454 60 443 84 57 55 72 54 70 107 10 83 10 67 8 433 37 423 17 58 53 72 52 84 108 10 52 10 36 9 413 24 403 57 59 51 98 50 96 109 10 21 10 06 10 394 16 384 98 60 49 96 49 06 110 9 92 9 78 11 376 05 367 35 61 48 19 47 33 111 9 64 9 50 12 358 88 350 62 62 46 49 45 67 112 9 36 9 23 13 342 58 334 74 63 44 86 44 07 113 9 10 8 97 14 327 10 319 66 64 43 30 42 54 114 8 84 8 71 15 312 41 305 33 65 41 79 41 06 115 8 59 8 47 16 298 45 291 73 66 40 35 39 65 116 8 35 8 23 17 285 18 278 80 67 38 96 38 29 117 8 12 8 01 18 272 58 266 51 68 37 63 36 98 118 7 89 7 78 19 260 60 254 72 69 36 34 35 72 119 7 68 7 57 20 249 00 243 61 70 35 11 34 51 120 7 47 7 36 21 238 36 233 14 71 33 92 33 35 121 7 26 7 16 22 228 05 223 08 72 32 78 32 23 122 7 06 6 97 23 218 24 213 51 73 31 69 31 15 123 6 87 6 78 24 208 90 204 39 74 30 63 30 12 124 6 69 6 59 25 200 00 195 71 75 29 61 29 12 125 6 51 6 42 26 191 53 187 44 76 28 64 28 16 126 6 33 6 25 27 183 46 179 57 77 27 69 27 24 127 6 16 6 08 28 175 77 172 06 78 26 79 26 35 128 6 00 5 92 29 168 44 164 90 79 25 91 25 49 129 5 84 5 76 30 161 45 158 08 80 25 07 24 66 130 5 69
145. DB 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 22 Specifications SiENBE34 802 Specifications Wall Mounted Type 1 1 TECHNICAL SPECIFICATIONS FXAQ20MAVE FXAQ25MAVE FXAQ32MAVE FXAQ40MAVE FXAQ50MAVE FXAQ63MAVE Nominal Cooling kW 2 20 2 80 3 60 4 50 5 60 7 10 Capacity Heating kw 2 50 3 20 4 00 5 00 6 30 8 00 Power input Cooling kW 0 016 0 022 0 027 0 020 0 027 0 050 Nominal Heating kw 0 024 0 027 0 032 0 020 0 032 0 060 Casing Colour white 3 0Y8 5 0 5 Height mm 290 290 290 290 290 290 Dimensions Unit Width mm 795 795 795 1050 1050 1050 Depth mm 230 230 230 230 230 230 Weight Unit kg 11 11 11 14 14 14 Nr of Rows 2 2 2 2 2 2 Heat Di Fin Pitch mm 1 40 1 40 1 40 1 40 1 40 1 40 Exchanger Mee Face Area m 0 161 0 161 0 161 0 213 0 213 0 213 Nr of Stages 14 14 14 14 14 14 Type Cross flow fan Fan Quantity 1 1 1 1 High m min 7 50 8 00 9 00 12 00 15 00 19 00 Air Flow Rate Cooling Low m min 4 50 5 00 5 50 9 00 12 00 14 00 Quantity 1 1 1 1 1 1 Model QCL9661M QCL9661M QCL9661M QCL9686M QCL9686M QCL9686M iu aah w 40 40 40 43 43 43 Drive Direct drive Refrigerant Name R 410A Cooling Sound High dBA 35 0 36 0 37 0 39 0 42 0 46 0 Low dBA 29 0 29 0 29 0 34 0 36 0 39 0 anes
146. E9O U0IXS 60 9 6 90 00 90 UWOIXP9OQ e UOLXS 69 q cani Vers DS OD v 99 1e ezis s S 6 1e ezis D By L Ul OLX Ul OLX 6 O X x x L O JO SHUN ur jo eq pinoys OLX 90 01 90 1 960 0 XS 60 2200 uyBuoy eio vS0 0 u Bad robiei Se 1euja1 pue 1eujaJ Buisn uoueJq 10 aq jue1e14jo1 jeuonippe 0 yun Joopu r 3 0 1xz 220 uoueJq 153 01 61 90SAXH uessa 154 edid 8 0 9 60 o 1ixr 6ro 8 0 9 60 0 1 6 910 921 001 08 29 01 60 S vOSAXH 2 220 1 6 0 905 8 0 7 90 8 OXL 23 09 07 2 92 02 edid pinbr1 edid sep ed Ayoedeo V61o 6 si o DEDI adid pinbiq __ ss uy 1y yun Ayoed 8 0XS 6O 0 1X6 SLO jews e 1 edid ssauyo1yy y ede edd s29 x 49 no 9215 Buldid ou Yous jou si azis adid ezis Dutdid rS zi
147. Exchanger High Temp R T 20kQ 25 C Thermistor Heat ROT ST8602A 6 6 L 1250 Exchanger 20kQ 25 C Fuse F1U 250V 10A Others Transformer T1R TR22H21R8 34 List of Electrical and Functional Parts SiENBE34 802 List of Electrical and Functional Parts Model Parts Name Symbol FXSQ FXSQ FXSQ FXSQ FXSQ FXSQ FXSQ FXSQ FXSQ Remark 20 25 32 40 50 63 80 100 125 MV3 MV3 MV3 MV3 MV3 MV3 MV3 MV3 MV3 Wired Remote Control BRC1D52 C Infrared remote Option Control control BRC4C62 AC 220 240V 50Hz 150W 1965W 185w 19125 10225W Fan Motor M1F Motors Thermal protector Thermal Fuse 152 C 135 C OFF 87 C AC220 240V 50Hz Drain Pump M1P PLD 12230DM Thermal Fuse 145 C Thermistor Suction Air R1T SOR 5C Thermistor for Heat ST8605 7 8 L1600 Thermistors Exchanger High Temp R T 20kQ 25 C Thermistor Heat R2T ST8602A 6 L1250 Exchanger 20kQ 25 C Float Switch SiL FS 0211B Others Fuse F1U 250V 5A 5 2 Transformer TR22H21R8 Model Parts Name Symbol FxMQ FXMQ FXMQ FXMQ FXMQ FXMQ___ Remark 40PVE 50PVE 63PVE 80PVE 100PVE 125PVE Wired Remote Control BRC1C62 Remoa Infrared remote Control control BRC4C65 Fan Motor M1F DC280V 140W 8P DC373V 350W 8P Motors AC220 240V 50 60Hz Drain Pump M1P PLD 12230DM Thermal protector
148. F OFF OFF Main electronic expansion valve EV1 480 pls 480 pls 480 pls meee Pe expansion SH control 0 pls 0 pls Hot gas bypass valve SVP OFF OFF OFF Ending conditions 20 sec e 3 min Or eTs Te 5 C e 3 min or e Pe lt 0 6MPa e HTdi gt 110 C Indoor unit actuator Cooling oil return operation Thermostat ON unit Remote Control setting Fan Stopping unit OFF Thermostat OFF unit Remote Control setting Thermostat ON unit Normal opening Electronic expansion valve Stopping unit 224 pls Thermostat OFF unit Normal opening with forced thermostat ON 54 Function SiENBE34 802 Special Control 3 2 2 Oil Return Operation in Heating Operation Conditions to start The heating oil returning operation is started referring following conditions W integrated amount of displaced oil Timer After the power is turned on integrated operating time is 2 hours and subsequently every 8 hours In addition integrated amount of displaced oil is derived from Tc Te and the compressor load Outdoor Unit Actuator Oil return preparation operation Cil return operation Post oil return operation Compressor Upper limit control 140 Hz Full load 2 step increase from 36 Hz Unload to Pc Pe gt 0 4 MPa every 20 sec Tb gt 11 C Outdoor unit fan STEP8 OFF STEP8 Four way
149. FXDQ25PVE FXDQ32PVE FXDQ40NAVE FXDQ50NAVE FXDQ63NAVE Nominal Cooling kW 2 20 2 80 3 60 4 50 5 60 7 10 Capacity Heating kW 2 50 3 20 4 00 5 00 6 30 8 00 Power input Cooling kW 0 086 0 086 0 089 0 160 0 165 0 181 Nominal Heating kw 0 067 0 067 0 070 0 147 0 152 0 168 Casing Material Galvanised steel plate Height mm 200 200 200 200 200 200 Dimensions Unit Width mm 700 700 700 900 900 1100 Depth mm 620 620 620 620 620 620 Weight Unit kg 23 0 23 0 23 0 27 0 28 0 31 0 Nr of Rows 2 2 3 3 3 3 Fin Pitch mm 1 50 1 50 1 50 1 50 1 50 1 50 Heat Dimensions Exchanger Face Area 0 126 0 126 0 126 0 176 0 176 0 227 Nr of Stages 12 12 12 12 12 12 Fin Fin type Cross fin coil Type Sirocco fan Fan Quantity 1 1 1 1 1 1 High m min 8 0 8 0 8 0 10 50 12 50 16 50 Air Flow Rate Cooling Low m min 6 4 6 4 6 4 8 50 10 00 13 00 External static High Pa 30 30 30 44 44 44 pressure Standard Pa 10 10 10 15 15 15 Fan Output Ww 62 62 62 62 130 130 Motor high Drive Direct drive Refrigerant Name R 410A Codi Sound High dBA 33 0 33 0 33 0 34 0 35 0 36 0 oolin Pressure Low dBA 29 0 29 0 29 0 30 0 31 0 32 0 fee Type Flare connection Liquid OD Diameter mm 6 4 6 4 6 4 6 4 6 4 9 5 Pipin LM NEN ae Type Flare connection Diameter mm 12 7 12 7 12 7 12 7 12 7 15 9 Drain Diameter mm VP20 I D 20 O D 26 Air Filter Removable washable Mildew proof Refrigerant control Electronic expansion valve Temperature control Microprocessor the
150. Four way valve Keep former condition Main electronic expansion valve EV1 0 pls Subcooling electronic expansion valve EV3 0 pls Hot gas bypass valve SVP OFF Ending conditions Indoor unit thermostat is turned ON Function 59 Protection Control SiENBE34 802 4 Protection Control 4 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 Pc gt 3 47MPa In cooling operation High pressure not limited Pc HP pressure sensor detection value INV upper limit frequency Max High pressure limited INV upper limit frequency 3 step down from current compressor frequency After 10 sec Pc gt 3 47MPa Keeping the current step Pc lt 3 23MPa Pater sec 1 C INV upper limit frequency step up from current ompressor frequency Pc gt 3 64MPa When occurring 10 times within 60 High pressure standby In heating operation High pressure drop Pc gt 3 04MPa High pressure not limited Pc lt 2 89MPa gt minutes HPS is activated without high pressure standby thus outputting the malfunction code E3 Pc HP pressure sensor detection value High pressure limited INV u
151. ISTOR DISCHARGE CONNECTOR COLOR BLUE ELECTRIC EXPANSION VALVE CONNECTOR COLOR WHITE CRANKCASE HEATER LEAD WIRE CONNECTOR COLOR GRAY HIGH VOLTAGE ELECTRIC EXPANSION VALVE MARKING COLOR BLUE THERMISTOR LIQUID PIPE 1 MARKING COLOR BLUE Refrigerant Circuit 45 Functional Parts Layout SiENBE34 802 Back view THERMISTOR SUCTION 2 MARKING COLOR GREEN DT wes THERMISTOR SUBCOOLING MARKING COLOR WHITE THERMISTOR SUCTION 1 MARKING COLOR RED THERMISTOR AIR MARKING COLOR YELLOW THERMISTOR LIQUID PIPE 2 CONNECTOR COLOR WHITE THERMISTOR HEAT EXCHANGER CONNECTOR COLOR BLUE 46 Refrigerant Circuit SiENBE34 802 Part 5 Function Operation Mode aes chia SERES REY UE Dr REPRE NU SA RES ENT 48 oie M EET 49 2 1 mouere Ae ee eared 49 2 2 Compressor PI Control eese 50 2 3 Electronic Expansion Valve 51 2 4 Cooling Operation Fan Control esses 52 Special Control to Diodor mood da 53 371 Startup e
152. L or LL Function 71 Outline of Control Indoor Unit SiENBE34 802 6 6 Electronic Expansion Valve Control Electronic expansion Valve Control In cooling to maximize the capacity of indoor unit heat exchanger evaporator operate the electronic expansion valve under PI control so that the evaporator outlet superheated degree SH will become constant In heating to maximize the capacity of indoor unit heat exchanger condenser operate the electronic expansion valve under PI control so that the evaporator outlet superheated degree Condenser outlet subcooled degree will become constant Cooling SHZTH2 TH4 SH Evaporator outlet superheated degree Heating SC TC TH TH Temperature C detected with the liquid thermistor Temperature C detected with the gas thermistor SC Condenser outlet subcooled degree TC High pressure equivalent saturated temperature Furthermore the default value of the optimal evaporator outlet superheated degree condenser outlet subcooled degree is 5 deg However this default value varies with the operating performance 6 7 Hot Start Control In Heating Operation Only At startup with thermostat ON or after the completion of defrosting in heating operation the indoor unit fan is controlled to prevent cold air from blasting out and ensure startup capacity Detail of operation When either the start condition 1 or the start condition 2 is established the operations shown be
153. Malfunction Decision Conditions Supposed Causes Troubleshooting under host computer integrated control Repeats double blink Unified ON OFF controller Central control address group No is not set for indoor unit W improper address setting B improper wiring of transmission wiring N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred the central control address group No set for the indoor unit NO gt Set by remote control the central control address for all indoor units connected to the central control line the switch for setting each address set correctly NO gt Set the switch for setting each address correctly and simultaneously reset the power supply for all optional controllers for centralized control transmission wiring disconnected or wired incorrectly YES gt Fix the wiring correctly gt Replace the PC board of the unified ON OFF controller V2844 216 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Unified ON OFF Controller CHECK 1 Check for causes of rise in high pressure Referring to the Fault Tree Analysis FTA shown below probe the faulty points
154. O 59 IVNIINH3L L SALON AHOSS3OO0V 21919919 YOLSISJY vH vH H HOLIOVdVO IVNOILdO HOLO3NNOO LINDYID Yal 3510 _ 212 ONISNAS LN3Huno ed quvoa 88090 3 8824 ONLLIIATT LINDYID GALNIYd 3510 00 01Z_LLNSHYND HOLSIS3H NOISNVdX3 dev AlddNS LINDYIO div 9INOHIOd3HH 31 H3MOd 5 Sd LINN HOOQNI 3Ad001 3Ad08 3Ad 9 3Ad0SOWX KINO OdWOO 713 ex 9 7 7 iG vex Z THM G g ES e hu NHO S80 wsex v Nua t c scs mar e v SN ma lu maj 9 022 SH x ng al Y zd 9 _ EM SH VOLX ang i yya 1039 Hia fO _ TF hrs SR TAM E V yy uz 2 AYOSS3OOV TWNOILdO 000000 a ne IOHINOO SLOWS CHIM SEX aes VOX og vex 8 X mixo E vox vex 00 155 09 pSooon dev dev z 310N TOHLNOO iex gm vsex OO WOLX OL TONIRANA 59 oo AAdSZI 3Ad001 3Ad08 9 JAdOSOWXS HOS SNIHIM ld B B A ud 29 zd o WOEX pi ILON 3ais10n0 LL o DAS 2909 ZHOS nous inant 2 Sato a MEE gt mat N 4 ei V8lX VOIX 9 HdA dox Wa
155. OFF controller Models Central controller Schedule timer Method of Malfunction Detection Malfunction Decision Conditions Supposed Address duplication of central remote control Causes W improper combination of optional controllers for centralized control Connection of more than one master controller m Malfunction of transmission between optional controllers for centralized control W Defect of PC board of optional controllers for centralized control Troubleshooting 213 Troubleshooting by Indication on the Unified ON OFF Controller SiENBE34 802 Troubleshooting N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Hasa once connected optional controller for centralized control been disconnected or its address changed YES Reset power supply simultaneously for all optional controllers for centralized control Is the power supply turned on for all optional controllers for centralized control NO gt Turn on power supply for all optional controllers for centralized control reset switch of all optional controllers for centralized control set to normal NO gt Set reset switch to normal Is transmission wiring disconnected or YES gt wired incorrectly Fix the wiring correctly S the central remote control or schedule timer displaying a malfunction
156. Operation manual instalation manual manual Nominal cooling capacities are based on indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 5m level difference Om 8 meter 1 Notes Sound pressure Sound values Sound values are measured in a semi anechoic room Specifications 9 Specifications SiENBE34 802 1 2 Ceiling Mounted Cassette Type Double Flow Indoor Units 1 1 TECHNICAL SPECIFICATIONS FXCQ20M8V3B FXCQ25M8V3B FXCQ32M8V3B FXCQ40M8V3B FXCQ50M8V3B Nominal Cooling kW 2 20 2 80 3 60 4 50 5 60 Capacity Heating kW 2 50 3 20 4 00 5 00 6 30 Power input Cooling kW 0 077 0 092 0 092 0 130 0 130 Nominal Heating kW 0 044 0 059 0 059 0 097 0 097 Colour Non painted Casing Material Galvanised steel Height mm 405 405 405 405 405 Packing Width mm 1060 1060 1060 1280 1280 Depth mm 665 665 665 665 665 Dimensions E Height mm 305 305 305 305 305 Unit Width mm 780 780 780 995 995 Depth mm 600 600 600 600 600 Unit kg 26 26 26 31 32 Weight Packed Unit kg 30 30 30 37 38 Required Ceiling Void mm 350 350 350 350 350 Length mm 475x2 475x2 475x2 690x2 475x2 Nr of Rows 2x2 Fin Pitch mm 1 50 1 50 1 50 1 50 1 50 Dimensions Nr of Passes 3x2 eae Face
157. P on In setting 1 push and hold the BS1 MODE button for more than 5 seconds Setting mode 2 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 on next page you want amp Push the BS3 RETURN button two times Returns to Push the BS1 MODE button one time Returns to the setting mode 1 and turns H1P off Test Operation 117 Field Setting SiENBE34 802 OFF Blink Setting Setting Setting No indication Setting No indication Setting Setting contents indication Initial setting No contents contents H1P H2P H5P HGP H7P HIP H2P H5P H6P H7P H1P H2P H3P H4P H5P H6P H7P 12 External NO lownoise O e Factory Ole Demand set tti setting YES e 22 OFF low noise Factory setting setting Mode 1 Ole 2 1 Q 3 Ole
158. Pipe size Material Thickness Material Thickness t mm t mm 6 4 0 8 0 8 9 5 0 8 0 8 12 7 0 8 0 8 15 9 1 0 1 0 19 1 1 0 1 2 1 0 22 2 1 2H 1 0 1 2H 1 0 25 4 1 2H 1 0 1 2H 1 0 28 6 1 2H 1 0 1 2H 1 0 31 8 1 2H 1 2 1 2H 1 1 38 1 1 2H 1 4 1 2H 1 4 44 5 1 2H 1 6 1 2H 1 6 O Soft Annealed H Hard Drawn Precautions for New Refrigerant R 410A 261 Precautions for New Refrigerant R 410A SiENBE34 802 1 Flaring tool Specifications Dimension A Flare gauge Unit mm Tube p Nominal size Do Class 2 R 410A Class 1 Conventional 1 4 6 35 9 1 9 0 3 8 9 52 13 2 13 0 1 2 12 70 16 6 16 2 5 8 15 88 19 7 19 4 3 4 19 05 24 0 23 3 Differences Change of dimension A Conventional flaring tools can be used when the work process is changed Dimension A For class 1 R 407C For class 2 R 410A change of work process Previously a pipe extension margin of 0 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 262 Precautions for New Refrigerant R 410A SiENBE34 802 Precautions for New Refrigerant R 410A 2 Torque wrench Specifications sP Dimension Unit mm Nominal size Class
159. T100G VDL Type Hermetically sealed scroll compressor Compressor Motor Speed rpm 6 480 Motor Output KW 2 5 3 0 3 5 Starting Method Direct on line Crankcase Heater W 33 33 33 Cooling Standard Min CDB 5 5 5 Cooling Max CDB 46 46 46 Operation CWB 20 20 20 Range Heating Max CWB 15 5 15 5 15 5 Sound Power dBA 66 67 69 Cooling Sound Level Sound Pressure 50 51 53 Heating Sound Pressure 52 53 55 8 Specifications SiENBE34 802 Specifications 1 1 TECHNICAL SPECIFICATIONS RXYSQ4PA7V1B RXYSQ5PA7V1B RXYSQ6PA7V1B Name R 410A kg 4 0 4 0 4 0 Refrigerant Control Expansion valve electronic type Nx of circuits 1 1 1 Refrigerant Name Daphne FVC68D Oil Charged Volume 1 5 1 5 1 5 NUS Type Flare connection Liquid OD OD er mm 9 52 9 52 9 52 Type Flare connection Flare connection Braze connection Piping ee OD er mm 15 9 15 9 19 1 connections Quantity 3 3 3 Drain rus m 26 x3 Heat Insulation Both liquid and gas pipes Max total length m 300 300 300 Defrost Method Reversed cycle Defrost Contro Sensor for outdoor heat exchanger temperature Capacity Control Method Inverter controlled Capacity Control 24 to 100 Safety devices HPS Fan motor thermal protection Inverter overload protector PC board fuse Standard Accessories Installation manual
160. TIONS FXCQ20M8V3B FXCQ25M8V3B FXCQ32M8V3B FXCQ40M8V3B FXCQ50M8V3B 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 PC board fuse Fan motor thermal fuse Drain pump fuse Standard Accessories Screws for fixing the paper pattern for installation Washer for hanging bracket Installation and operation manual Paper pattern for installation Insulation for fitting Drain hose Notes Nominal cooling capacities are based on indoor temperature 270CDB 190CWB outdoor temperature 350CDB equivalent refrigerant piping 8m level difference Om Nominal heating capacities are based on indoor temperature 200CDB outdoor temperature 70CDB 60CWB 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 11 Specifications SiENBE34 802 Ceiling Mounted Cassette Type Double Flow 1 1 TECHNICAL SPECIFICATIONS FXCQ63M8V3B FXCQ80M8V3B FXCQ125M8V3B Nominal Cooling kW 7 10 9 0
161. Test Operation 111 Field Setting SiENBE34 802 Push the SET button and match with the LEDs No 1 15 push the RETURN button and confirm the data for each setting Data such as addresses and number of units is expressed as binary numbers the two ways of expressing are as follows The No 1 cool heat unified address is expressed as a binary d 000000 number consisting of the lower 6 digits 0 63 i 16 4 1 2 8 2 In the address is 010110 binary number which translates to 16 4 2 22 base 10 number In other words the address is 22 90e The number of terminal blocks for No 12 and 13 is expressed as No 12 o dot 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 25 112 Test Operation SiENBE34 802 Field Setting 3 2 2 Cool Heat Mode Switching There are the following 4 cool heat switching modes Set cool heat separately for each outdoor unit system by indoor unit remote control Q Set cool heat separately for each outdoor unit system by cool heat switching remote control Set cool heat for more than one ou
162. Valve Y1E 170 3 24 F3 Outdoor Unit Abnormal Discharge Pipe Temperature 172 3 25 Outdoor Unit Refrigerant Overcharged 173 3 26 Outdoor Unit Malfunction of Thermistor R1T for Outdoor Air 174 3 27 Outdoor Unit Malfunction of Discharge Pipe Thermistor R2T 175 3 28 25 Outdoor Unit Malfunction of Thermistor R3T R5T for Suction Plpe 1 2 dedere E tinae e RE 176 Troubleshooting 123 SiENBE34 802 3 29 J6 Outdoor Unit Malfunction of Thermistor R6T 177 3 30 Outdoor Unit Malfunction of Thermistor R7T for Outdoor Unit Liquid 178 3 31 29 Outdoor Unit Malfunction of Thermistor 179 3 32 JR Outdoor Unit Malfunction of High Pressure Sensor 180 3 33 JL Outdoor Unit Malfunction of Low Pressure Sensor 181 3 34 Li Outdoor Unit Malfunction of PC 182 3 35 L4 Outdoor Unit Malfunction of Inverter Radiating Fin Temperature 183 3 36 L5 Outdoor Unit Inverter Compressor 184 3 37 LE Outdoor Unit Inverter Current
163. XFQ20 FXFQ25 FXFQ32 FXFQ40 FXFQ50 FXFQ63 FXFQ Remark PVE PVE PVE PVE PVE PVE PVE PVE PVE Wired Remote Control BRC1D52 Remote Infrared remote Option Control control BRC7F532 Fan Motor M1F Thermal Proctector OFF 108 5 ON 9615 AC220 240V 50Hz AC220V 60Hz Motors Drain Pump PLD 12230DM Thermal Fuse 145 C MP35HCA 3P007482 1 Swing Motor M1S Stepping Motor DC16V Thermistor Suction Air R1T In PC board A4P or wired Remote Control Thermistor for Heat R3T ST8605 5 8 L1000 Thermistors Exchanger High Temp 20kQ 25 C Thermistor Heat ROT ST8602A 5 6 11000 20kQ 25 C Float Switch S1L FS 0211B Fuse F1U 250V 5A 5 2 Others Thermal Fuse TFu Transformer T1R Model Parts Name Symbol FxcQ FXCQ FXCQ FXCQ FX O Remark 20MV3 25MV3 32MV3 40MV3 50MV3 63MV3 80MV3 MV3 Wired Remote Control BRC1D52 Remote Infrared remote Option Control control BRC7C62 AC 220 240V 50Hz mr 1010W 1915W 1920W 1930W E Thermal protector C N Thermal Fuse 152 C 87 C ON tors AC220 240V 50Hz AC220V 60Hz Drain Pump M1P PLD 12230DM Thermal Fuse 145 C Swing Motor M1S Meo Thermistor Suction Air R1T STEKO OSC Thermistor for Heat ST8605 6 8 L1250 Thermistors Exchanger High Temp 20k 25 C Thermistor Heat R2T ST8602A 5 6 L1000 Exchanger 20kQ 25 C Float Switch S1L FS 0211B Others Fus
164. XYSQ4 6PA Malfunction is detected by current flowing in the power transistor When overload in the compressor is detected Compressor overload Compressor coil disconnected Defect of outdoor unit PC board A2P N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Output current check Secondary curren d YES of the inverter is higher than 13 1A 260 sec for each phase Compressor inspection The YES compressor s coil is disconnected Disconnect the the connection between the compressor and inverter Make the power transistor check mode setting ON by service mode Inverter output voltage check Inverter output voltage is not balanced NO Normal if within 5V Must be measured when frequency is stable After turning on NO again L8 blinks again Compressor overload Inspection of the compressor and refrigerant system is required gt Replace the compressor Replace the inverter PC board assy A2P Reset and restart Compressor inspection Inspect according to the diagnosis procedure for odd noises vibration and operating status of the compressor V3184 Troubleshooting 185 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 38 L9 Outdoor Unit Inverter Start up Error Remote Cont
165. adding refrigerant is done or when pausing close the valve on the refrigerant tank immediately More refrigerant might be charged by any remaining pressure after the machine is stopped The outdoor fan may keep rotating a little bit more but this does not indicate a malfunction Case 1 Charging complete H2P H4P H5P H6P H7P Code on remote control SE NE P3 Charging of the refrigerant is complete Press BS1 MODE button once and go to step 5 Case 2 Recharging operation H1P H2P H3P H4P H5P H6P H7P Code on remote control DoD p e coo PB Press BS1 MODE button once and perform automatic refrigerant charging again starting from Step 4 1 Case 3 Charging interrupted H2P H3P H4P H5P H6P H7P Code on remote control ood o ee eco Pe Something is preventing normal operation s the gas side stop valve completely open Are the valve on the refrigerant tank and valve A open Check if the BS4 TEST button was pressed within 10 minutes after the valves were opened 5 the indoor unit air intake vent or outlet vent blocked After correcting the problem press BS1 MODE button once and perform automatic refrigerant charging again starting from step 4 1 Test Operation 79 SiENBE34 802 Test Operation Case 4 Failure Error code on remote control H2P H3P H4P 5 H6P H7P e o e e e See footnote An error in the system interrupted the
166. address duplication of central remote control 201 address duplication improper setting 210 centralized control group no setting 100 bre1e type o n dece 100 DrcA type sre up UE 101 DIG Cty Pes eR 101 group no setting example 101 check for causes of drop in low pressure 218 check for causes of rise in high pressure 217 check for fan motor connector 219 check operation 82 check operation not executed 193 check work prior to turn power supply on 74 compressor motor lock 168 contents of control modes 102 how to select operation mode 103 cooling operation fan control 52 D display under host computer integrate control blinks repeats double blink 216 display under host computer integrate control blinks repeats single blink 213 display of sensor and address data 134 drain level above limit 152 drain pump control 65 when the float switch is tripped and is dis played on the remote control 66 when the float s
167. ake sure that the right indoor unit piping and wiring are properly not properly connected to the outdoor unit connected to the outdoor unit UH If the interunit wiring has not be connected Make sure the interunit wiring is correctly attached to terminals or it has shorted X2M F1 F2 TO IN D UNIT on the outdoor unit circuit board Test Operation 83 Test Operation SiENBE34 802 1 1 6 Confirmation on Normal Operation Conduct normal unit operation after the check operation has been completed When outdoor air temperature is 24 CDB or higher the unit can not be operated with heating mode See the installation manual attached Confirm that the indoor outdoor units can be operated normally When an abnormal noise due to liquid compression by the compressor can be heard stop the unit immediately and turn on the crankcase heater to heat up it sufficiently then start operation again Operate indoor unit one by one to check that the corresponding outdoor unit operates Confirm that the indoor unit discharges cold air or warm air Operate the air direction control button and flow rate control button to check the function of the devices 84 Test Operation SiENBE34 802 Test Operation 1 2 Operation when Power is Turned On 1 2 1 When Turning On Power First Time The unit cannot be run for up to 12 minutes to automatically set the master power and address indoor outdoor address etc Status Ou
168. alfunction 3 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 Detail description on next page Contents of malfunction Malfunction code In phase malfunction of DIII Net Detection of DIII Net E1 Abnormal discharge pressure HPS activated E3 Abnormal suction pressure Abnormal Pe E4 Compressor lock Detection of INV compressor lock E5 Over load over current abnormal lock of outdoor unit fan motor Detection of DC fan 1 motor lock E7 Detection of DC fan 2 motor lock Malfunction of electronic expansion valve Faulty sensor of outdoor air temperature Abnormal discharge pipe temperature EV1 E9 EV3 Faulty Ta sensor short Abnormal Td Abnormal heat exchanger temperature Faulty sensor of discharge pipe temperature Refrigerant over charge F6 Faulty Tdi sensor short Faulty sensor of suction pipe temperature Faulty Ts1 sensor short Faulty Ts2 sensor short Faulty sensor of heat exchanger temperature Faulty Tb sensor short Malfunction of the liquid pipe temperat
169. alfunction of transmission between centralized remote control and indoor 206 remote unit corio and M1 O ore PC board defect 207 Timer M8 or Malfunction of transmission between optional controls for centralized 208 control MA Oore combination of optional controllers for centralized control 209 MC or Address duplication improper setting 211 Heat 64 Indoor unit s air thermistor error 65 Outside air thermistor error 68 Malfunction of HVU 6A Damper system alarm 6A 9 Damper system thermistor error 6F Malfunction of simple remote control 94 Internal transmission error The system operates for malfunction codes indicated in black squares however be sure to check and repair Troubleshooting 137 Troubleshooting by Remote Control SiENBE34 802 Malfunction code indication by outdoor unit PC board Monitor mode To enter the monitor mode push the MODE BS1 button when in Setting mode 1 Selection of setting item Push the SET BS2 button and set the LED display to a setting item Confirmation of malfunction 1 Push the RETURN BS3 button once to display First digit of malfunction code Confirmation of malfunction 2 Push the SET BS2 button once to display Second digit of malfunction code Confirmation of m
170. ample also assumes there are several other air conditioners the VRV system is off and that temperature changes even when the thermostat sensor is off Body thermostat sensor is used for temperatures from 18 C to 25 C A gt Remote Control thermostat sensor is used for temperatures from 25 C to 28 C C D And assuming suction temperature has changed from 28 C to 18 C D Remote Control thermostat sensor is used for temperatures 28 C to 23 C D gt B Body thermostat sensor is used for temperatures from 23 C to 18 B A Function 69 Outline of Control Indoor Unit SiENBE34 802 6 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 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 Ex Case where temperature is 5 C or less for total of 10 min 7 C 0 C 5 C Freeze prevention operation Freeze OFF by thermostat VG005 70 Function SiENBE34 802 Outline of Control Indo
171. and BMS 4 2 Interface for use in LONWORKS DMS504B51 Operation and monitoring of air conditioning systems through LONWORKS communication 5 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 7 6 5 5 measurement units DPF201A52 Enables temperature measurement output for 4 groups 0 5VDC oD Tem t M perature S 7 o setting units DPF201A53 Enables temperature setting input for 16 groups 0 5VDC Unification adapter for Interface between the central monitoring board and central control 8 computerized control DCS302A52 units Notes 1 BACnet is a registered trademark of American Society of Heating Refrigerating and Air Conditioning Engineers ASHRAE 2 LONWORKS is a registered trade mark of Echelon Corporation 3 Installation box for x adapter must be procured on site Appendix 247 SiENBE34 802 Option List 3 2 Option List of Outdoor Unit RXYSQ4 5 6P RXYSQ4PA7Y1B RXYSQ4PA7V1B Optional accessories RXYSQ5PA7Y1B RXYSQ5PA7V1B RXYSQ6PA7Y1B RXYSQ6PA7V1B Cool Heat Selector KRC19 26A6 Fixing box KJB111A Refnet header KHRQ22M29H 52 Sua a Refnet joint KHRQ22M20T a Central drain plug KKPJ5F 180 4TW26101 Appendix 248 Example of connection SiENBE34 802 249 Bigg 99 2z0 0 x 69 790 0 x eZ u 01 8 60 WOLX
172. anger For details refer to P 51 C SDK04009 218 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Unified ON OFF Controller CHECK 3 Check for Fan Motor Connector 1 Turn the power supply off 2 With the fan motor connector on motor side disconnected measure the resistance between each pin then make sure that the resistance is more than the value mentioned in the following table GND 1 White 2 Orange 3 Brown 4 Blue 7 Red nd AO OE OC S Measurement point Judgment 1 4 1MQ or more 2 4 100kQ or more 3 4 1000 or more 4 7 100kQ or more Troubleshooting 219 Troubleshooting by Indication on the Unified ON OFF Controller SiENBE34 802 220 Troubleshooting SiENBE34 802 Part 8 Appendix fa PIPING 180 Loss pede anus 222 1 3 Outdoor Units os testet tet iis neal i er dn E TQ eae 222 1 25 Indoor Unit aie t CE nite oen 224 2 Wiring IDIAGIAINS oca so meae ater tee en brie atte beset cae meses Dada en 227 2 1 Outdoor Unit ico e eh Maas 227 2 2 Pie 229 2 9 Indoor den dE bereitet eie ete Sek ecto Bide 231 Sr OPO ISU tpt TETUR 246 3 1 Option List of Controllers 2 0 0 0 ccc cecssecseccceeeeeeceeeeaeeeaeceeeeaeeeaeeeeeeeeeeees 246 3 2 Option List of Outdoor 248 4 Example of Connection
173. ansion valve EV1 0 pls 0 pls 0 pls Subcooling electronic expansion valve EV3 0 pls 0 pls 0 pls Hot gas bypass valve SVP OFF OFF OFF e A lapse of 130 sec Ending conditions OR Pc Pe 0 3MPa A lapse of 10 sec OR ePc 2 70MPa Alapse of 1 to 5 min e Pc Pe gt 0 39MPa Function 53 Special Control SiENBE34 802 3 2 Oil Return Operation In order to prevent the compressor from running out of oil the oil return operation is conducted to recover oil flown out from the compressor to the system side 3 2 1 Oil Return Operation in Cooling Operation Start conditions Referring to the set conditions for the following items start the oil return operation in cooling Cumulative oil feed rate Timer setting Make this setting so as to start the oil return operation when the initial cumulative operating time reaches two hours after power supply is turned ON and then every eight hours Furthermore the cumulative oil feed rate is computed from Tc Te and compressor loads Outdoor unit actuator Oil return preparation operation Oil return operation Post oil return operation Compressor Take the current step as the upper limit 52 Hz Full load gt Low pressure constant control Same as the oil return operation mode Outdoor unit fan Fan control Normal cooling Fan control Normal cooling Fan control Normal cooling Four way valve OF
174. ant R 410A SiENBE34 802 9 Weigher for refrigerant charge W 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 Differences Measurement is based on weight to prevent change of mixing ratio during charging 10 Charge mouthpiece W Specifications For R 410A 1 4 5 16 2min 2 5min Material is changed from CR to H NBR W Differences Change of thread specification on hose connection side For the R 410A use Change of sealer material for the HFCs use 266 Precautions for New Refrigerant R 410A SiENBE34 802 Index A Outdoor Unit do tere 30 BD cda atas i tease 142 Electronic Expansion Valve PI Control 51 HEP OS MU tet 143 Error of External Protection Device 142 ce TD 144 Excessive Number of Indoor Units 200 AO cades aee N 146 PEE 147 F o 149 172 150 I 173 Abnormal Discharge Pipe Temperature 172 Failure of Combination Between Indoor unit PC Abnormal Power Supply Voltage 149 Board a
175. ant recovery Refrigerant recovery 0900000 21 vacuuming mode O i settin efrigerant recovery 9 vacuuming ON htt Level 1 outdoor fan with 6 step or lower OR E E E E FO 22 Night time low noise 9 Level 2 outdoor fan with 5 step or lower oOeooo000 Level 3 outdoor fan with 4 step or lower E E E HORO The numbers in the No column represent the number of times to press the SET BS2 button Test Operation 109 Field Setting SiENBE34 802 Setting item display No Mobi C H selection Low Demand Setting condition display Setting item H1P H2P IND Master Slave Bo H7P H3P 5 A Factory set Level 1 outdoor fan with 6 step or lower 25 Low noise setting O e Level2 outdoor fan with 5steporlower O0 e e e o e Level 3 outdoor fan with 4 step or lower e o e e About 20 00 Oeooo000 Night time low noise 26 operation start About 22 00 factory setin e e e e o e setting About 24 00 E E JOR About 6 00 OR E E E E a7 Night ims low nalea O O o Juro About 8 00 factory setting O e oe E JOR E 28 Power transistor O check mode ON OK A AA SOR Capacity OFF OK E E E E 0 29 recedence settin
176. arth wire V Check on refrigerant piping v Check on amount of refrigerant charge 1 1 2 Turn Power On Turn outdoor unit power on V Turn indoor unit power on w Carry out field setting on outdoor PC board O Is the power supply three phase 380 415V 50Hz O Have you finished a ductwork to drain O Have you detach transport fitting O Is the wiring performed as specified O Are the designated wires used O Is the grounding work completed Use a 500V megger tester to measure the insulation Do not use a megger tester for other circuits than 380 415V circuit O Are the setscrews of wiring not loose O Is the electrical component box covered with an insulation cover completely Is pipe size proper The design pressure of this product is 4 0MPa O Are pipe insulation materials installed securely Liquid and gas pipes need to be insulated Otherwise causes water leak O Are respective stop valves on liquid and gas line securely open O Is refrigerant charged up to the specified amount If insufficient charge the refrigerant from the service port of stop valve on the liquid side with outdoor unit in stop mode after turning power on O Has the amount of refrigerant charge been recorded on Record Chart of Additional Refrigerant Charge Amount V3180 O Be sure to turn the power on 6 hours before starting operation to protect compressors O Close o
177. 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 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 off 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 N Caution 12 Air Flow When Cooling Thermostat is OFF This is used to set air flow to LL air flow when cooling thermostat is OFF Mode No First Code No Second Code No Contents 01 LL air flow 12 22 6 02 Preset air flow Test Operation 95 Field Setting SiENBE34 802 13 Setting of Normal Air Flow Make the following setting according to the ceiling height The setting position No is set to 01 at the factory E Inthe Case of FXAQ Setting Switch Setting Position Mode No No No Setting 01 Wall mounted type Standard 13 23 0 02 Wall mounted type Slight increase 03 Wall mounted type Normal increase E Inthe Case of FXHQ Mode No First code No Second code Ceiling height m 01 2 7 or less 13 23 0 02
178. auses Troubleshooting FXFQ Even if a malfunction occurs operation still continues Malfunction is detected according to the moisture output voltage detected by the moisture sensor When the moisture sensor is disconnected or short circuited Faulty sensor Disconnection Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred A Caution Remove the humidity sensor from the indoor PC board and insert it again YES gt 15 normal Poor connector contact Does it function normally Delete the malfunction code record from the remote control 1 ls tc displayed on the remote control 2 YES gt Replace the humidity sensor PC board ASS Y A2P 3 It is believed that external factors noise or else other than failure caused the malfunction 1 To delete the record the ON OFF button of the remote control must be pushed and held for 5 seconds in the check mode 2 To display the code the Inspection Test Operation button of the remote control must be pushed and held in the normal mode 8 If CC is displayed even after replacing the humidity sensor PC board ASS Y A2P and taking the steps 1 and 2 replace the indoor PC board ASS Y A1P Troubleshooting 161 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 17 Lu I
179. b M1F Motor Indoor fan Z1C Ferrite core SS1 Selector switch main sub M1P Motor Drain pump Notes d LLLI Terminal 009 D Connector Field wiring 2 In case of using a central remote control connect it to the unit in accordance with the attached installation manual 3 X24A X33A and X35A are connected when the optional accessories are being used 4 When connecting the input wires from outside forced off or on off control operation can be selected by the remote control 5 Confirm the method of setting the selector switch SS1 SS2 by installation manual end engineering data etc 6 Colour legend RED Red BLK Black WHT White YLW Yellow GRN Green ORG Orange BRN Brown GRY Grey BLU Blue PNK Pink 3TW28836 1B Appendix 233 Wiring Diagrams SiENBE34 802 FXZQ20M 25M 32M 40M 50MV1 20 25 32 40 50 Class 22 28 36 45 56 Class Power supply 220 240V rl Z from outside see 4 fre 7 Transmission wiring central remote control see note 2 s m Wired remote 3 control 5 aii i s L k BE Sa 2 pe 1 Fee Switch 2 Bx ena m i mi s m E EI A E Lu iene zc a m c s Indoor unit Q1M Thermal protector Wired remote control 551 Selector switch main sub 1 Printed cir
180. beep Both upper and lower digits matched Malfunction code confirmed 2 short beeps Upper digit matched 1 short beep Lower digit matched 5 Press the MODE selector button The right 0 lower digit indication of the malfunction code flashes 6 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 130 Troubleshooting SiENBE34 802 Troubleshooting by Remote Control The lower digit of the code changes as shown below when the UP DOWN buttons are pressed 40 1 cd 2525 2 fede denen eLeuerer gt Advance button Backward button e007 Normal status Enters inspection mode from normal status when the INSPECTION TEST button is pressed ens 1 Press INSPECTION TEST button ap om If no button is pressed 4 for 1 minute equipment returns to normal status 3 Press MODE Selector When MODE selector button button is pressed or no button is pressed for 1 minute equipment returns to normal status If no button is pressed for 1 minute equipment returns to normal status 5 Press MODE selector button mroom Troubleshooting 131 Troubleshooting by Remote Control 4 802 2 4 Operation of the Remote Control s Ins
181. bleshooting by Indication on the Remote Control 3 49 UL Address Duplication of Central Remote Control Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting All indoor unit models Address duplication of centralized remote control W Defect of indoor unit PC board AN Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Optional controls for centralized control are connected to the indoor unit YES gt Address duplication of central remote control The setting must be changed so that the central remote control address is not duplicated gt Replace indoor unit PC board V2828 Troubleshooting 201 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 50 UE Malfunction of Transmission between Central Remote Control and Indoor Unit Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting All indoor unit models Centralized control Microcomputer checks if transmission between indoor unit and centralized remote control is normal When transmission is not carried out normally for a certain amount of time Malfunction of transmission between optional controls fo
182. board gt Connect the thermistor and turn on again YES Resistance is normal when measured ae NO isconnecting the thermistor R3T from de indoor Unt gt Replace the thermistor R3T PC board 0 6kQ 360kQ YES gt Replace the indoor unit PC board V2785 Refer to thermistor resistance temperature characteristics table on P251 Troubleshooting 157 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 13 C5 Indoor Unit Failure of Combination Between Indoor unit PC Board and Fan PC Board Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting FXMQ40 125P Conduct open line detection with PC board for fan A2P using indoor PC board A1P When the communication data of PC board for fan A2P is determined as incorrect The possible causes are Malfunction of PC board for fan A2P W Connection defect of capacity setting adapter W Setting mistake on site Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred A Caution Is the type of PC board for fan A2P correct NO gt Replace it with correct PC board for fan A2P Was indoor PC board A1P replaced with supplementary PC board correct capacity setting adaptor installed when repla
183. bove 83 C Actuation of fin thermal Actuates above 83 C W Defect of inverter PC board A2P W Defect of fin thermistor N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred The radiator fin temperature is YES supposed to have risen to gt Faulty heat radiation of power unit 84 C or more Air suction opening blocked Dirty radiator fin High outdoor temperature ls the connector X111A of the fin NO thermistor properly connected to gt Properly connect he outdoor PC board YES Turn ON the power supply and then press the remote control check button once Is the malfunction code displayed on the remote control YES gt To P4 troubleshooting Does the malfunction code L4 recur when the unit starts operation YES gt Replace the inverter PC board assy A2P as well gt Continue operation Troubleshooting 183 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 36 L5 Outdoor Unit Inverter Compressor Abnormal Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting RXYSQ4 6PA Malfunction is detected from current flowing in the power transistor When an excessive current flows in the power transistor Ins
184. c Fan Type _ Sirocco fan Quantity 2 3 3 3 m min 21 00 27 00 28 00 38 00 Cooling Air Flow Rate Low m min 15 50 20 00 20 50 28 00 Heating High m min 21 00 27 00 28 00 38 00 Low m min 15 50 20 00 20 50 28 00 High Pa 123 141 141 109 ee Standard 111 125 125 93 Low Pa 98 Quantity 1 1 1 1 Fan Model 2D18H2AB1V1 3D18H2AH1V1 3D18H2AH1V1 3D18H2AG1V1 Motor Steps step motor fh w 125 135 135 225 Drive Direct drive Refrigerant Name R 410A Sound Sound Level Cooling power dBA 56 0 55 0 56 0 65 0 nominal Sound High 35 0 37 0 38 0 40 0 Pressure Low dBA 30 0 31 0 33 0 35 0 Heating Sound High dBA 35 0 37 0 38 0 40 0 Pressure Low dBA 30 0 31 0 33 0 35 0 E Type Flare connection Liquid OD Diameter mm 95 95 95 95 Piping Gas Type Flare connection connections Diameter mm 15 9 15 9 15 9 15 9 Drain Diameter mm 32 32 32 32 Heat Insulation Both liquid and gas pipes Model BYBS71DJW1 BYBS125DJW1 BYBS125DJW1 BYBS125DJW1 Colour White 10Y9 0 5 Decoration Height mm 55 55 55 55 Panel Dimensions Width mm 1100 1500 1500 1500 Depth mm 500 500 500 500 Weight kg 4 5 6 5 6 5 6 5 Drain up Height mm 600 600 600 600 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 PC board fuse Drain pump fuse Fan
185. cation on the Remote Control 1 Coil check method for the moving part of the electronic expansion valve Discount the electronic expansion valve from the PC board and check the continuity between the connector pins Normal Pin No 1 White 2 Yellow 3 Orange 4 Blue 5 Red 6 Brown 1 White x 300Q 1500 2 Yellow x 3000 1500 3 Orange x O x Approx 1500 4 Blue x 1500 5 6 Brown O Continuity x No continuity Troubleshooting 151 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 8 Indoor Unit Drain Level above Limit Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting FXCQ FXSQ FXKQ FXMQ FXDQ 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 Humidifier unit optional accessory leaking W Defect of drain pipe upward slope etc Defect of indoor unit PC board N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Field drain piping has a defect such YES as upward sloping gt Modify the drain
186. ce of malfunction gt Check and correct each wiring gt Itis possible to have external factor such as brownout and instantaneous blackout Troubleshooting 149 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 7 Remote Control mo Display Applicab Models H3 Indoor Unit Malfunction of Moving Part of Electronic Expansion Valve Y1E le All indoor unit models Method of Malfunction Detection Malfunction Decision Conditions Supposed Malfunction of moving part of electronic expansion valve Causes W Defect of indoor unit PC board W Defect of connecting cable Troubleshooting N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred The electronic expansion valve is connected to X7A of the indoor unit PC NO when coil check 1 of the moving part of the electronic expansion valve is checked The connecting YES disconnected NO After connecting turn the power supply off and then back on Replace the moving part of the electronic expansion valve cable is short circuited or gt Replace the connecting cable gt If you turn the power supply off and turn on again and it still does not help replace the indoor unit PC board V2781 150 Troubleshooting SiENBE34 802 Troubleshooting by Indi
187. ch before connect or disconnect connector or parts damage may be occurred A Caution is connected to X12A of outdoor unit PC board A1P NO gt Connect the thermistor and turn on again Resistance is normal when measured after disconnecting the thermistor R2T from the outdoor unit PC board 5 0kQ 640kQ NO gt Replace the thermistor 27 Replace outdoor unit PC board A1P V3072 Refer to thermistor resistance temperature characteristics table on P252 Troubleshooting 175 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 28 05 Outdoor Unit Malfunction of Thermistor R3T R5T for Suction Pipe 1 2 Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting RXYSQ4 6PA Malfunction is detected from the temperature detected by the thermistor for suction pipe 1 2 When a short circuit or an open circuit in the thermistor for suction pipe 1 2 are detected W Defect of thermistor R3T R5T for outdoor unit suction pipe Defect of outdoor unit PC board A1P Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred A Caution Connector of the thermistor for suction pipe1 2 is connected to X12A of outdoor unit PC board A1P NO gt
188. cing it with supplementary PC board NO gt Install correct capacity setting adapter gt After establishing transmission for indoor and outdoor diagnose the operation again 158 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 14 LS Indoor Unit Malfunction of Thermistor R1T for Suction Air Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting 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 W Defect of indoor unit thermistor R1T for air inlet W Defect of indoor unit PC board AN Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Connector is NO ap ecd gt Connect the thermistor and turn board on again YES Resistance is normal when measured after disconnecting the thermistor R1T from the indoor unit PC board 7 2kQ 112kQ NO gt Replace the thermistor R1T gt Replace the indoor unit PC board V2786 Refer to thermistor resistance temperature characteristics table on P251 Troubleshooting 159 Troubleshooting by Indication on th
189. cities are net including a deduction for cooling an addition for heating for indoor fan motor heat Specifications 13 Specifications SiENBE34 802 Ceiling Mounted Cassette Type Round flow 1 1 TECHNICAL SPECIFICATIONS FXFQ63P7VEB FXFQ80P7VEB FXFQ100P7VEB FXFQ125P7VEB Cooling kW 1 9 0 11 2 14 0 Capacity Heating kW 8 0 10 0 12 5 16 0 Cooling kW 0 095 0 120 0 173 0 258 Power Input Heating kW 0 114 0 108 0 176 0 246 Casing Material Galvanised steel Height mm 220 262 262 304 Packing Width mm 882 882 882 882 Depth 882 882 882 882 Dimensions Height mm 204 246 246 288 Unit Width 840 840 840 840 Depth 840 840 840 840 Unit kg 21 0 24 0 24 0 26 0 Weight Packed Unit kg 26 0 28 0 28 0 31 0 3 Inside mm 2 096 Dimensions Length Outside 2 152 Nr of Rows 2 2 2 2 Fin Pitch mm 1 2 1 2 1 2 1 2 Heat Dimensions of Passes 7 9 9 11 Exchanger Face Area gt 0 357 0 446 0 446 0 535 Nr of Stages 8 10 10 12 Fin Fin type Cross fin coil Multi louver fins and Hi XSS tubes Type Turbo fan Fan Quantity 1 1 1 1 High m min 16 5 23 5 26 5 33 0 Cooling Low m min 11 0 14 5 17 0 20 0 Air Flow Rate High m min 17 5 23 5 28 0 33 0 Heating Low m min 12
190. content of this publication to the best of its knowledge No express or implied warranty is given for the completeness accuracy reliability or fitness for particular purpose of its content and the products and services presented therein Specifications are subject to change without prior notice Daikin Europe N V explicitly rejects any liability for any direct or indirect damage in the broadest sense arising from or related to the use and or interpretation of this publication All content is copyrighted by Daikin Europe N V SiENBE34 802 SiENBE34 802 04 2009 Copyright Daikin Prepared in Belgium by Lannoo www lannooprint be a company whose concern for kin Europe N V Zandvoordestraat 300 B 8400 Oostende set in the EMAS and ISO 14001 systems
191. ct to the operating conditions Selection of full load operation to from unload operation is made with the unload circuit solenoid valve Y3S SVUL The full load operation is performed with the SVUL set to OFF while the unload operation is performed with the SVUL set to ON 50 Function SiENBE34 802 Basic Control 23 Electronic Expansion Valve PI Control Main Electronic Expansion Valve EV1 Control Carries out the electronic expansion valve Y1E PI control to maintain the evaporator outlet superheated degree SH at constant during heating operation to make maximum use of the outdoor unit heat exchanger evaporator SH 51 Te SH Evaporator outlet superheated degree C Ts1 Suction pipe temperature detected by thermistor R3T C Te Low pressure equivalent saturation temperature C The optimum initial value of the evaporator outlet superheated degree is 3 C but varies depending on the discharge pipe superheated degree of inverter compressor Subcooling Electronic Expansion Valve EV3 Control Makes PI control of the electronic expansion valve Y3E to keep the superheated degree SH of the outlet gas pipe on the evaporator side for the full use of the subcooling heat exchanger SH Tsh Te SH Outlet superheated degree of evaporator C Tsh Suction pipe temperature detected with the thermistor R4T C Te Low pressure equivalent saturation temperature C Function 51 Basic Co
192. cuit board M1F embedded R1T Thermistor air SS2 Selector switch C1 Capacitor R1T Thermistor Air 551 Selector switch Main sub Wireless adress set F1U Fuse B 5A 250V R2T Thermistor Coil liquid Wireless remote control Connector for optional parts F2U Field Fuse H3T Thermistor Coil gas Reciever display unit X16A Connector adapter for wire Light emitting diode S1L Float switch Printed circuit board X18A Connector on off Service monitor green T1R Transformer 220 240V 22V 4 Printed circuit board Wiring adapter for electrical KPR Magnetic relay M1P VATR Triac BS1 Push button on off appendices M1F Motor Indoor fan X1M Terminal strip H1P Light emitting diode on red M1P Motor Drain pump X2M Terminal strip H2P Light emitting diode timer green M1S Motor Swing flap Y1E Electronic expansion valve H3P Light emitting diode filter sign red Q1DI Earth leak detector Max 300mA Light emitting diode defrost orange I Terminal Colors RED Red PNK Pink Connector BLK Black ORG Orange mD Wire clamp WHT White GRN Green YLW Yellow BLU Blue Arr Field wiring Notes 1 In case of using a remote control connect it to the unit in accordance with the attached installation manual 2 X23A is connected when the wireless remote control is being used 3 When connecting the input wires from outside forced off or on off control operation can
193. cuum gauge does not rise 1 1 4 Additional Refrigerant Charge Refrigerant cannot be charged until field wiring has been completed Refrigerant may only be charged after performing the leak test and the vacuum drying see above When charging a system care shall be taken that its maximum permissible charge is never exceeded in view of the danger of liquid hammer Charging with an unsuitable substance may cause explosions and accidents so always ensure that the appropriate refrigerant R 410A is charged Refrigerant containers shall be opened slowly Always use protective gloves and protect your eyes when charging refrigerant When performing service on the unit requiring the refrigerant system to be opened refrigerant must be evacuated according to local regulations Do not use the automatic refrigerant charging function while working on the indoor units When using the automatic refrigerant charging function the indoor units operate automatically as well as the outdoor unit When the power is on please close the front panel when leaving the unit Outdoor unit Gas line stop valve Liquid line stop valve Stop valve service port Indoor unit Indoor unit Nitrogen Measuring Vacuum Charge hose instrument pomp Fig 6 Test Operation 75 Test Operation SiENBE34 802 To avoid compressor breakdown Do not charge the refrigerant more than the specified amoun
194. d Code No is 01 and room temperature is controlled by the indoor unit suction air thermistor and remote control thermistor When the Second Code No is set to 02 room temperature is controlled by the suction air thermistor When the Second Code No is set to 03 room temperature is controlled by the remote control thermistor 4 Filter Cleaning Displayed or Not Displayed Whether or not to display Filter Cleaning after operation of certain duration can be selected Mode No First Code No Second Code No Filter Cleaning display 01 Displa 10 20 3 ae 02 No display Test Operation 93 Field Setting SiENBE34 802 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 control 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 set Change the SECOND CODE NO as shown in Table according to the external static pressure of the duct to be connected Mode No First Code No Second Code No Airflow adjustment 01 OFF 11 21 7 02 Completion of airflow adjus
195. de press the BS6 BUTTON Q field set and the FIELD SET MODE is entered Select the desired MODE No with the BS2 BUTTON temperature setting A and the BS3 BUTTON temperature setting V During group control when setting by each indoor unit mode No 20 22 and 23 have been selected push the BS8 BUTTON unit No and select the INDOOR UNIT NO to be set This operation is unnecessary when setting by group Push the BS9 BUTTON set A and select FIRST CODE NO Push the BS10 BUTTON set B and select SECOND CODE NO Push the BS7 BUTTON set cancel once and the present settings are SET Push the BS6 BUTTON 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 90 Test Operation SiENBE34 802 Field Setting 3 1 4 Setting Contents and Code No VRV Indoor unit Mode Setting Second Code No Note 3 Details No Switch Setting Contents N Note 2 No 01 02 03 04 Super Approx Approx Filter contamination heavy light Setting for 1019 life 10 009 prs display time to clean air filter E 0 Sets
196. dels Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting 5 Indoor Unit Fan Motor M1F Lock Overload All indoor unit models Detection by failure of signal for detecting number of turns to come from the fan motor When number of turns can t be detected even when output voltage to the fan is maximum W Fan motor lock Disconnected or faulty wiring between fan motor and PC board Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred A Caution wiring from the fan motor securely connected to connectors on the indoor unit PC board Connect the wiring and turn on again Wiring between the indoor unit PC board and fan motor is disconnected YES Fix the wiring and turn on again YES Does the fan motor run gt Replace the indoor unit PC board Replace the fan motor V2779 146 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 5 Ai Indoor Unit Malfunction of Swing Flap Motor M1S Remote Control Display Applicable FXCQ FXKQ FXZQ FXHQ FXUQ Models Method of Utilizes ON OFF of the limit switch when the motor turns Malfunction Detection Malfunction When ON OFF of the microswitch for positioning cannot be reversed even though the swing flap Decision motor is ener
197. ding to the procedure described below Do not touch anything else than the push buttons BS1 5 on the PCB when making the settings These settings must be done with the power on A 4 1 Press BS4 TEST once 2 4 2 Press BS4 TEST for 5 seconds The unit will start running HIP H2P 5 H6P If the led display below appears the automatic refrigerant charging restriction has been exceeded Additional refrigerant must be charged by calculating the additional refrigerant charging amount H2P H3P H4P 5 H6P Description of error J I do Inappropriate outdoor temperature or H1P H2P H3P H4P 5 H6P H7P Description of error ioi Zr Inappropriate indoor temperature If the led display below appears check the indoor unit connection capacity H2P H3P H4P 5 H6P Description of error Lt OD Inappropriate indoor unit connection capacity If the led display below appears the liquid and gas side stop valves may be closed H1P H2P H3P H4P H5P H6P H7P Description of error Stop valve is closed If you want to repeat the automatic refrigerant charging operation from step 4 1 fully open the liquid and gas side stop valves and press the BS1 MODE button once 4 3 When the led indication becomes as shown in the table below in about 15 to 30 minutes after start of operation open va
198. display time to clean Long life Heavy 1 250 1 air filter to half when there hrs 10 is heavy filter Standard pprox Approx 20 contamination filter 200 hrs 100 hrs 1 Long life filter type Long life filter SuPer long life 2 2 Thermostat sensor in remote control No use 3 Display time to clean air filter calculation 3 Set when filter sign is not to be displayed Display No display 4 Completion of 21 7 Airflow adjustment OFF airflow pid 5 adjustment J 0 Optional accessories output selection field Indoor unit turned Ze Operation Malfunction 6 selection of output for adapter for wiring ON by thermostat output output ON OFF input from outside Set when ON External protection OFF is to be controlled from outside Forced OFF ON OFF control device input 7 Thermostat differential changeover 2 Set when remote sensor is to be used 0 5 C gu 8 Sn 25 3 OFF by thermostat fan speed Set fan speed 9 indoor Automatic mode differential nit automatic temperature differential 2 1 settings 4 setting for VRV system heat 03 2 04 3 05 4 06 5 07 6 08 7 10 recovery series cool heat 5 Power failure automatic reset Not equipped Equipped 11 6 Airflow When Cooling Thermostat is OFF LL air flow Preset air flow 12 High air outlet velocity 0 Set when installed in place with N H S 13 ceiling higher than 2 7 m Selection of air flow directio
199. ditional refrigerant charging operation to ON ON Then operation starts The blinking H2P led indicates test operation and the remote control indicates TEST test operation and external control When the specified amount of refrigerant is charged push the BS3 RETURN button Then operation stops W The operation automatically stops within 30 minutes m Ifthe refrigerant charge cannot be finished within 30 minutes repeat step 5 operation stops immediately after restart there is a possibility that the system is overcharged The refrigerant cannot be charged more than this amount After the refrigerant charge hose is removed make sure to close valve A Test Operation 81 Test Operation SiENBE34 802 1 1 5 Check Operation During check operation mount front panel to avoid the misjudging Check operation is mandatory for normal unit operation When the check operation is not executed alarm code U3 will be displayed Set to setting mode 1 H1P led is off refer to Setting mode 1 on page 107 Press and hold the TEST OPERATION button BS4 on outdoor unit PC board for 5 seconds Check on operation O The test operation is started automatically The following judgements are conducted within 15 minutes about 30 minutes at the maximum Check for wrong wiring Check stop valve for not open Check of refrigerant charge Pipe
200. door unit PC board A1P V3074 Refer to thermistor resistance temperature characteristics table on P251 Troubleshooting 177 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 30 Ji Outdoor Unit Malfunction of Thermistor R7T for Outdoor Unit Liquid Pipe Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting RXYSQ4 6PA Malfunction is detected from the temperature detected by the liquid pipe thermistor When a short circuit or an open circuit in the heat exchange thermistor is detected W Defect of thermistor R7T for outdoor unit liquid pipe Defect of outdoor unit PC board A1P N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Connector is connected to X13A of outdoor unit PC board A1P NO gt Connect the thermistor and turn on again Resistance is normal when measured after NO disconnecting the thermistor RAT from the outdoor unit PC board 3 5kQ 360kQ gt Replace the thermistor R6T gt Replace outdoor unit PC board A1P V3074 Refer to thermistor resistance temperature characteristics table on P251 178 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 31 Outdoor
201. e Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting RXYSQ4 6PA Check the communication state between inverter PC board and control PC board by micro computer When the correct communication is not conducted in certain period W Malfunction of connection between the inverter microcomputer and outdoor control microcomputer W Defect of outdoor unit PC board A1P W External factor Noise etc AN Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred s the inverter PC board or the control PC board replaced and the control PC board used in ombination of types listed i Correct the combination following Table 1 and then restart operation Are the connectors of the inverter PC board and the control PC board securely connected Connect a connecting wire and then restart operation any broken wires in the connectors of the inverter PC board and the control PC board YES Repair the broken wires and then restart operation gt Replace the inverter PC board A2P or the control PC board A1P Table 1 Combination of PC boards Type of control Type of PC board PC board RXYSQ4PA7Y1B EC0640 1 PC0625 1 RXYSQ5PA7Y1B RXYSQ6PA7Y1B Troubleshooting 187 Troubl
202. e F1U 250V 5 2 Transformer TR22H21R8 32 List of Electrical and Functional Parts SiENBE34 802 List of Electrical and Functional Parts Model Parts Name Symbol FXZQ FXZQ FXZQ FXZQ FXZQ Remark 20MV1 25MV1 32MV1 40MV1 50MV1 Wired Remote Control BRC1D52 Remote Infrared remote Option Control control BRC7E530 AC 220 240V 50Hz Fan Motor 1955W Thermal Fuse OFF 1305 80520 Capacitor fan motor C1 4 0u F 400VAC Motors AC220 240V 50Hz Drain Pump M1P PLD 12230DM Thermal Fuse 145 C Swing Motor Mis 3P080801 1 Thermistor Suction Air R1T STE QE C S Thermistor for Heat ST8605 3 8 L630 Thermistors Exchanger High Temp 20kQ 25 C Thermistor Heat ROT ST8602A 3 6 L630 Exchanger 20kQ 25 C Float Switch SiL FS 0211 Others Fuse F1U 250V 5A 5 2 Transformer TR22H21R8 Model Parts Name Symbol FXKQ FXKQ FXKQ FXKQ Remark 25MAVE 32MAVE 40MAVE 63MAVE Wired Remote Control BRC1D52 Option Remote Infrared remote Control control BRC4GG1 AC 220 240V 50Hz Fan Motor 1 1615W 4P 1620W 4P 1645W Thermal Fuse 146 C Thermal protector ee C OFF 105 C Motors AC 220 240V 50Hz Drain Pump M1P PLD 12200DM Thermal Fuse 145 C Swing Motor Mis SP080801 1 Thermistor Suction R1T a otc Thermistor for Heat R3T Ther
203. e Remote Control SiENBE34 802 3 15 LA Indoor Unit Malfunction of Thermistor for Discharge Air Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting All indoor unit models Malfunction detection is carried out by temperature detected by discharge air temperature thermistor When the discharge air temperature thermistor becomes disconnected or shorted while the unit is running Defect of indoor unit thermistor for air outlet Defect of indoor unit PC board Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred N Caution Connector is NO connected to the indoor unit PC board gt Connect the thermistor and turn on again YES Resistance is normal when measured after disconnecting the thermistor from the indoor unit PC board 7 2kQ 112kQ NO gt Replace the thermistor gt Replace the indoor unit PC board V2786 Refer to thermistor resistance temperature characteristics table on P251 160 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 16 LL Indoor Unit Malfunction of Humidity Sensor System Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed C
204. e e CREE Ee dev 53 3 2 Oil Return Operation ssssssssssesse 54 3 3 Defrosting Operation eeessssessseseee 56 3 4 Pump down Residual Operation 57 3 5 Restart eene 58 3 6 Stopping Operation eueeeeseeessessssssseseeeeeeneee nennen nennen nnns 59 a I ROLEGHOM Merc mise elastics E E 60 4 1 High Pressure Protection Control 2022 cccsseeeseecceeteeeetesseeeeeeeeeeesenees 60 4 2 Low Pressure Protection 61 4 3 Discharge Pipe Protection Control 62 4 4 Inverter Protection Control 63 s Other cc 64 5 1 Demand 64 5 2 Heating Operation Prohibition soos ota 64 Outline of Control Indoor Unit 65 6 1 Drain Pump Control enne 65 6 2 Louver Control for Preventing Ceiling 67 6 3 Thermostat Sensor in Remote 68 6 4 Freeze 70 6 5 View of Operations of Swing Flaps 71 6 6 Electronic Expansion Valve
205. e 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 S Q A 9 vi SiENBE34 802 Introduction A Caution 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 9 9 o 9 o
206. e 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 ambient temperature reaches more than a certain level fusible plug melts and when the pressure exceeds a certain level spring type safety valve operates 260 Precautions for New Refrigerant R 410A SiENBE34 802 Precautions for New Refrigerant R 410A 1 3 Service Tools 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 causes other problems Therefore gauge manifolds and charge hoses that are used with a previous refrigerant R 22 R 407C
207. e2 Q System Troubleshooting 141 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 Troubleshooting by Indication on the Remote Control 3 4 Hu Indoor Unit Error of External Protection Device Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting All indoor unit models Actuation of external protection device Improper field set Defect of indoor unit PC board AN Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred External gt protection device is connected to terminals T1 YES and T2 of the indoor unit terminal block ON OFF input from outside mode No 12 first code No 1 has YES been set to external protection device input second code No 03 by remote control Actuation of external protection device Change the second code No to 01 or 02 Indoor unit PC board replacement V2776 142 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 2 Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Hi Indoor Unit PC Board Defect All indoor unit m
208. ec 36 Hz Unload 4 gt 135 HTdi gt 120 C for 10 or more Discharge pipe temperature standby When occurring 3 times within 100 minutes the malfunction code is output 62 Function SiENBE34 802 Protection Control 44 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 Inverter overcurrent protection control Not limited amp Inverter current 12A Hive ter INV upper limit frequency max Hz Limited v INV upper limit frequency 1 step down from current 4 compressor frequency 10 sec Inverter current gt 12A Matching of frequency Status quo q Inverter current 12A Without conditions continues for 3 min INV upper limit frequency 1 step up from current HH compressor frequency Inverter current 13 1A continues for 260 sec Inverter current ____ gt When occurring 4 times within 60 min standby the malfunction code L8 is output Inverter fin temperature control Not limited p Tfin lt 76 C Tfin 79 C amp ps upper limit frequency max Hz Limited v INV upper limit frequency 1 step down from current
209. eck data from E7PROM When data could not be correctly received from the E7 PROM E PROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off Defect of outdoor unit PC board A1P N 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 NES External factor other than malfunction for example noise etc NO gt Replace the outdoor unit main PC Board A1P V3064 Troubleshooting 163 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 19 E3 Outdoor Unit Actuation of High Pressure Switch Remote Control ca Display Applicable RXYSQ4 6PA Models Method of Abnormality is detected when the contact of the high pressure protection switch opens Malfunction Detection Malfunction Error is generated when the HPS activation count reaches the number specific to the operation Decision mode Conditions Reference Operating pressure of high pressure switch Operating pressure 4 0MPa Reset pressure 3 0MPa Supposed Actuation of outdoor unit high pressure switch Causes W Defect of High pressure switch Defect of outdoor unit PC board A1P W instantaneous power failure Faulty high pressure sensor 164 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Contro
210. ect of thermistor R2T for liquid pipe W Defect of indoor unit PC board N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Connector is connected to X12A o the indoor unit PC board NO gt Connect the thermistor and turn on again Resistance is normal when measured after disconnecting the thermistor R2T from the indoor unit PC board 3 5kQ 360kQ NO gt Replace the thermistor R2T YES gt Replace the indoor unit PC board V2784 Refer to thermistor resistance temperature characteristics table on P251 156 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 12 C5 Indoor Unit Malfunction of Thermistor R3T for Gas Pipes Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting All indoor unit models Malfunction detection is carried out by temperature detected by gas pipe thermistor When the gas pipe thermistor becomes disconnected or shorted while the unit is running W Defect of indoor unit thermistor R3T for gas pipe W Defect of indoor unit PC board AN Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Connector is NO connected to X11A of the indoor unit PC
211. ectrical box this pressure means High static pressure standard 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 Specifications 19 Specifications SiENBE34 802 Ceiling Mounted Built in Type 1 1 TECHNICAL SPECIFICATIONS FXSQ63M8V3B FXSQ80M8V3B FXSQ100M8V3B FXSQ125M8V3B Capacity Cooling kW 7 10 9 00 11 20 14 00 beet 1 Heating kW 8 00 10 00 12 50 16 00 Power input Cooling kW 0 189 0 234 0 242 0 321 Nominal Heating kW 0 169 0 214 0 222 0 301 Casing Colour Non painted Material Galvanised steel Height mm 354 356 356 356 Packing Width mm 1192 1596 1596 1596 Dimensions Depth mm 936 938 938 938 Height 300 300 300 300 Unit Width mm 1000 1400 1400 1400 Depth mm 800 800 800 800 Unit kg 41 51 51 52 Weight Packed Unit kg 47 58 58 59 Required Ceiling Void mm 350 350 350 350 Length mm 750 1150 1150 1150 Nr of Rows 3 3 3 3 Fin Pitch mm 1 75 1 75 1 75 1 75 Dimensions Nr of Passes 7 10 10 10 E Face Area 0 221 0 338 0 338 0 338 Nr of Stages 14 14 14 14 Tube type Hi XSS 7 Fin Fin type Symmetric waffle louvre Treatment Hydrophili
212. ed Protective earth screw WHT White YLW Yellow 33H Float switch R2T R3T Thermistor Coil H1P Light emitting diode On Red 338 Limit switch swing flap Q2E Earth leak detector H2P Light emitting diode Timer Green A1P Printed circuit board RyA Magnetic relay M1S H3P Light emitting diode Filter sign Red Capacitor M1F RyF1 3 Magnetic relay M1F H4P Light emitting diode Defrost Orange FAT Thermal fuse 152 C M1F embedded Magnetic relay M1P 551 Selector switch Main Sub F1U Fuse 250V 5A TIR Transformer 220 240V 22V 552 Selector switch Wireless adress set F2U Field fuse X1M Terminal strip Power Connector for optional parts HAP Light emitting diode X2M Terminal strip Control X18A Connector Service monitor Green Electronic expansion Wiring adapter for electrical appendices Motor Indoor fan Receiver Display unit X23A Connector infrared remote control M1S Motor Swing flap Attached to infrared remote control Motor Drain pump A2P Printed circuit board RIT Thermistor Air BS ON OFF button Notes 1 When using a central remote control see manual for connection to the unit 2 X23A is connected when the infrared remote control 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 control For more details see installation manual 4 Use copper conductors only 2TW23806
213. ed group No 6 Press Ea to return to the NORMAL MODE MODE NO FIELD SET Note For infrared remote control see the following W For setting group No of HRV and wiring adapter 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 100 Test Operation SiENBE34 802 Field Setting BRC7 Type Group No setting by infrared remote control for centralized control BRC4 Type 1 When in the normal mode push 5 button for 4 seconds or more and operation then enters the field set mode Set mode No 00 with button Setthe group No for each group with A 2 button advance backward 2 3 4 Enter the selected group numbers by pushing y button 5 Push 5 button and return to the normal mode MODE NO FIELD SET MODE 2 1 5 V0916 Group No Setting Example Central Remote Control Indoor Outdoor Outdoor Outdoor Indoor Outdoor Outdoor Outdoor F1 F2 F1 F2 F1 F2 F1 F2 F1 F2 IN 77 F1 F2 P1 P2 F1 F2 P1 P2 F1 F2 P1 P2 F1 F2 P1 P2
214. either the board A1P or the fuse F1U on the i If the F4U has blown out inverter PC board A2P blown replace the fuse If the F1U has blown out replace the inverter PC board assy Check No 3 Check on connector of fan motor Refer to information on P 220 Replace the fan motor fuse F4U on the control PC board A1P or the fuse F1U on the inverter PC board A2P blown out the resistances YES between pins above udgment If the FAU has blown out replace the fuse If the F1U has blown out replace the inverter PC board assy Replace the fan motor gt Replace outdoor unit PC board Troubleshooting 169 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 23 E9 Outdoor Unit Malfunction of Moving Part of Electronic Expansion Valve Y1E Y3E Remote Control Display Applicable RXYSQ4 6PA Models Method of Check disconnection of connector Malfunction Check continuity of expansion valve coil Detection Malfunction Error is generated under no common power supply when the power is on Decision Conditions Supposed W Defect of moving part of electronic expansion valve Causes Defect of outdoor unit PC board A1P W Defect of connecting cable 170 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control Troubleshooting N Be sure to turn off power switch before connect or disconnec
215. er INV E1HC 33W A1P X28A Fan motor Motor M1F M2F 0 07kW Over current relay 3 2A Electronic expansion Cooling 480pls Y1E A1P X21A valve Main Heating PI control Electronic expansion Cooling PI control Y3E A1P X22A te valve Subcool Heating PI control 4 way valve Y1S STF 0404G A1P X25A Solenoid valve Hot gas Y2S TEV1620DQ2 A1P X26A Solenoid valve Unload circuit Y3S TEV1620DQ2 A1P X27A ACB 4UB10 Shey Pee STPH OFF 4 0 0 0 15MPa ON 3 040 15MPa X92 related parts Pressure sensor HP S1NPH PS8051A 0 4 15MPa ATP X17A Pressure sensor LP S1NPL PS8051A 0 05 1 7 A1P X18A For outdoor air R1T 3 5 360kQ ATP X11A For discharge pipe R2T 5 0 640kQ A1P X12A 1 2Pin For suction pipe 1 R3T 3 5 360kQ A1P X12A 3 4Pin For subcooling heat A RDi Thermistor Mein exchanger RAT 3 5 360kQ A1P X12A 5 6Pin For suction pipe 2 R5T 3 5 360kQ A1P X12A 7 8Pin For heat exchanger R6T 3 5 360kQ A1P X13A 1 2 For liquid pipe 1 R7T 3 5 360kQ A1P X13A 3 4Pin For liquid pipe 2 R8T 3 5 360kQ A1P X13A 5 6Pin Others Fuse A1P F1U AC250V 6 3A Time lag fuse 30 List of Electrical and Functional Parts SiENBE34 802 List of Electrical and Functional Parts RXYSQ4 5 6PA7V1B Model Remark Item Name Symbol JHP SHP PCB terminal Type JT100G VDL Relay Invert M1C Compressor Outp
216. es when it contacts flames such as fan and other heaters stoves and ranges When replacing the coin battery in the Remote Control 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 AN Caution 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 2 Be sure to install the packing and seal on the installation frame properly If the packing and seal are not installed properly water can enter the room and wet the furniture and floor For integral units only 1 1 3 Inspection after Repair A Warning 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 e
217. eset power supply simultaneously for all optional controllers for centralized control Is the power supply turned on for indoor units displaying malfunction NO gt Turn indoor unit s power supply transmission wiring disconnected or wired incorrectly NO Fix the wiring correctly Is the group No of malfunctioning indoor units set Is transmission with all indoor units malfunctioning Set the group No correctly Replace indoor unit PC board the transmission wiring with the master controller disconnected or wired incorrectly NO gt Fix the wiring correctly controller s connector for setting master controller disconnected NO gt Connect the connector correctly gt Replace the central PC board V2832 4 20 i PC Board Defect Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Centralized remote control W Defect of central remote control PC board Replace the central remote control PC board 206 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Centralized Remote Control 43 hg Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Mal
218. eshooting by Indication on the Remote Control SiENBE34 802 3 40 Pi Outdoor Unit High Voltage of Capacitor in Main Inverter Circuit Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting RXYSQ4 6PA Malfunction is detected according to the voltage waveform of main circuit capacitor built in the inverter When the aforementioned voltage waveform becomes identical with the waveform of the power supply open phase Defect of main circuit capacitor Improper main circuit wiring Defect of outdoor unit PC board A2P Imbalance of phase to phase voltages Open phase AN Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Make measurement of power supply voltages between L1 and L2 L1 and L3 and L2 and L3 Have the power supply voltages of three phases fallen within the range of rated voltage 10 YES Has the imbalance of NO phase to phase voltages fallen within 10 YES gt Correct the power supply voltages gt Correct the power supply voltages gt Replace the inverter PC board assy A2P 188 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 41 UU Low Pressure Drop Due to Refrigerant Shortage or Electronic Expan
219. event the increase of high pressure when a malfunction occurs this P S1PH HP pressure switch For INV switch is activated at high pressure of 4 0 MPa or more to stop the compressor compressor operation This valve opens at a pressure of 4 0 MPa for prevention of pressure increase thus T A resulting in no damage of functional parts due to the increase of pressure in ge pip transportation or storage 1 R1T Thermistor Outdoor air Ta Used to detect outdoor temperature correct discharge pipe temperature and others 2 ROT Thermistor INV discharge used to detect discharge pipe temperature make the temperature protection control of pipe Tdi compressor and others 3 R3T Thermistor used to detect suction pipe temperature keep the suction superheated degree Suction pipe1 Ts1 constant in heating operation and others Thermistor Subcooling heat 4 R4T exchanger gas pipe Tsh Used to control of subcooling electronic expansion valve Thermistor 5 R5T Suction pipe2 Ts2 Used to the calculation of an internal temperature of compressor etc 6 R6T Thermistor Heat exchanger Used to detect liquid pipe temperature of air heat exchanger determine defrosting deicer Tb operation and others Thermistor 7 R7T Liquid pipet Used to detect refrigerant over charge in check operation and others 8 R8T Thermistor Used to detect refrigerant over charge in check operation and others 40 Refrigerant Circui
220. fety devices PC board fuse Fan motor thermal protector Standard Accessories Installation and operation manual Fuse Caution for servicing sticker Suction air filter Nominal cooling capacities are based on indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 8m level difference Om Notes 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 18 Specifications SiENBE34 802 Specifications Ceiling Mounted Built in Type 1 1 TECHNICAL SPECIFICATIONS FXSQ20M8V3B FXSQ25M8V3B FXSQ32M8V3B FXSQ40M8V3B FXSQ50M8V3B Capacity Cooling kW 2 20 2 80 3 60 4 50 5 60 pele 1 Heating kW 2 50 3 20 4 00 5 00 6 30 Power input Cooling kW 0 110 0 110 0 114 0 127 0 143 Nominal Heating kW 0 090 0 090 0 094 0 107 0 123 Casing Colour Non painted Material Galvanised steel Height mm 354 354 354 354 354 Packing Width 742 742 742 892 892 Depth 936 936 936 936 936 Dimensions Height mm 300 300 300 300 300 Unit Width mm 550 5
221. form vacuuming operation Press Mode button BS 1 once and reset Setting Mode 2 3 2 7 Check Operation To prevent any trouble in the period of installation at site the system is provided with a test operation mode enabling check for incorrect wiring stop valve left in closed coming out or misplacing with suction pipe thermistor or discharge pipe thermistor and judgment of piping length refrigerant overcharging and learning for the minimum opening degree of electronic expansion valve CHECK OPERATION FUNCTION LED display HTP H7P O ON OFF O BLINK Unit stopping Press the TEST button for 5 seconds Step 1 Pressure equalizing 009000000 10 sec to 10 minutes E M Y Step 2 Cooling start control 700000 20 sec to 2 minutes Step 3 Stability waiting operation 0900000 10 minutes 6 Judgment function Stop valve close check Wrong wiring check 900000 Piping length check 900000 3 minutes Step 7 Refrigerant judgment 15 minutes Step 8 Pump down eni operation eoeoeeo 5 seconds Step9 Standby o restarting 0900000 2 minutes Compie Test Operation 121 Field Setting SiENBE34 802 122 Test Operation SiENBE34 802 Part 7 Troubleshooting 1 Symptom based Troubleshooting 125 2 Troubleshooting by Remote C
222. frigerant from the piping Refrigerant overcharge length and correct the refrigerant charge level by recovering any excessive refrigerant with a refrigerant recovery machine F3 eet valve of an outdoor unit is left Open the gas side shutoff valve and the liquid side shutoff valve Check if the additional refrigerant charge has been finished correctly Insufficient refrigerant Recalculate the required amount of refrigerant from the piping length and add an adequate amount of refrigerant Recalculate the required amount of refrigerant from the piping F6 Refrigerant overcharge length and correct the refrigerant charge level by recovering any excessive refrigerant with a refrigerant recovery machine U1 Power supply cables are connected in the Connect the power supply cables in normal phase Change any reverse phase instead of the normal phase two ofthe three power supply cables L1 L2 L3 to correct phase U2 Insufficient supply voltage Check to see if the supply voltage is supplied properly If a check operation has not been U3 performed Perform a check operation U4 No power is supplied to an outdoor unit Turn the power on for the outdoor unit UA If no dedicated indoor unit is being used Check the indoor unit If it is not a dedicated unit replace the indoor unit Ine e valve of an outdoor unit is left Open the gas side shutoff valve and the liquid side shutoff valve UF If the right indoor unit piping and wiring are M
223. from the factory Do not make any settings not given in the table Not displayed if the indoor unit is not equipped with that function When returning to the normal mode 88 may be displayed in the LCD in order for the remote control to initialize itself It is not possible to change field settings on the remote control that is set to sub kwon 88 Test Operation SiENBE34 802 Field Setting 3 1 2 Infrared remote control Indoor Unit BRC7 type BRC4 type MODE NO FIELD SET MODE SECOND CODE NO FIRST CODE NO ive 1 When in the normal mode push the w5 button for 4 seconds or more and operation then enters the field set mode Select the desired mode No with the button Pushing the A button select the first code No Pushing the y button select the second code No Push the timer 5 button and check the settings Push the 257 button to return to the normal mode 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 setting position No to 02 Test Operation 89 Field Setting SiENBE34 802 3 1 3 Simplified remote control BRC2C51 5 0 5 IH s 1 3 G m li r 00 MH witha Remove the upper part of remote control When in the normal mo
224. function of Transmission between Optional Controllers for Centralized Control Centralized remote control Malfunction of transmission between optional controllers for centralized control W Defect of PC board of optional controllers for centralized control AN 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 Is the power supply turned on for all optional controllers NO Reset power supply simultaneously for all optional controllers for centralized control for centralized control YES S the reset Switch of all optional controllers for NO gt Turn on power supply for all optional controllers for centralized control centralized control set to normal transmission YES gt Set reset switch to normal wiring disconnected or wired incorrectly gt Fix the wiring correctly The PC board of one of the optional controllers for centralized control is defective Try turning on off using each optional controllers for centralized control and replace the PC board of the one that is unable to control the indoor unit V2833 Troubleshooting 207 Troubleshooting by Indication on the Centralized Remote Control SiENBE34 802 4 4 Improper
225. g 5 5 5 d HNH Josuas E Josuas aunssaud aunssaud A Y kem nod JNH pod 990195 2915 C 2 anjen aunssalg Jofueuoxo of SRI 18 H e 184 Bujoooqng uolsuedxa Jofueuoxo 910 19813 edid anfen uorsuedxa 31U0129 3 C 3D052712 43 Refrigerant Circuit SiENBE34 802 RXYSQ4 5 6PA7Y1B Birds eye view 2 Functional Parts Layout Functional Parts Layout 2 1 es of i a a 5 Es 8 a 5 5 5 a 5 efle Z 3 5 Zz 8 2 lt gt ar r se ag Be 5 Elo 3 olz els il zo oz S o5 5 Dla zu gc 2 5 8 zu E 9 O GIG 9 fiio 2 Cle 5 zo co ES EIS OSflc 2 15 o amp ES 59025 TIR c uc ui Bla 26 5 EJO ve e 5 g oo Eri z In z gs m IK amp tn wy Sls ales A oa 8 8 2 8 5 os 5 C gp ED IN ree E z CIE aem e i CAL ee AA AS Wetec A H eu SS l RRR r r r rrer Va ees i A J MZ 5 57 67 5 7 2157 7 2 1 FSI NG ES is oun se SH UN a gt B 2 7 Ile S y 4 y i BaP
226. g E Note System is not Set yet All models of indoor units RXYSQ4 6PA 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 W improper connection of transmission wiring between indoor outdoor units and outdoor outdoor units W Failure to execute check operation Defect of indoor unit PC board Stop valve is left in closed Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred A Caution Are the stop valves NO openned gt Open stop valve Is the check operation carried out indoor outdoor and outdoor outdoor unit transmission wiring normal Replace indoor unit PC board outdoor and outdoor outdoor unit transmissio wiring normal gt After fixing incorrect wiring push and hold the RESET button on the master outdoor unit PC board for 5 seconds The unit will not run for up to 12 minutes gt Wiring check operation may not have been carried out successfully V2830 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 o
227. g duct FXMQ L Concealed floor standing type 6 Multi flow 600x600 FXZQ 3 Slim Ceilling mounted duct FXDQ 5 New ceilling suspended cassette FXUQ Outdoor model code Display Type Model AA1 VRV System Inverter K Series RSXYP AAS R 407C VRV PLUS Series RXYP A92 VRV Heat Recovery Series RSEYP AAS5 High COP type R 407C L Series RSXYP L AAA VRVII RXYQ M VRV II M C RXYQ MA AAE VRV III RXYQ P VRVIII S RXYSQ P 132 Troubleshooting SiENBE34 802 Troubleshooting by Remote Control 2 5 Remote Control Service Mode How to Enter the Service Mode Normal operation Field set Service mode mode mode Push the Service Mode Operation Method po button for 4 seconds or longer Push the xe button for 4 seconds or longer VF020 1 Select the mode No Set the desired mode No with the button For infrared remote control Mode 43 only can be set 2 Select the unit No For group control only Select the indoor unit No to be set with the time mode For infrared remote control C2 OCr button 3 Make the settings required for each mode Modes 41 44 45 In case of Mode 44 45 push button to be able to change setting before setting work LCD code blinks For details refer to the table in next page 4 Define the setting contents Modes 4
228. ght time low noise setting is also required Night time low ye RS Sets ending time of nighttime low noise operation 27 ig end Night time low noise setting is also required Power transistor Used for trouble diagnosis of DC compressor Since the check mode form of inverter is output without wiring to th 28 Check after waveform of inverter is output without wiring to the disconnection of compressor it is convenient to probe whether the trouble compressor wires comes from the compressor or PC board Capacity If the capacity control is required the low noise control is 29 automatically released by this setting during carrying out precedence setting low noise operation and nighttime low noise operation Changes target value of power consumption when 30 Demand setting 1 demand control 1 is input Normally enables demand control 1 without external 32 Normal demand input Effective to prevent a problem that circuit breaker setting of small capacity is shut down due to large load The numbers in the No column represent the number of times to press the SET BS2 button 108 Test Operation SiENBE34 802 Field Setting Setting item display No MODE TEST C H selection Low Demand Setting condition display eting H1P H2P IND Master Slave noise H7P H3P H5P H6P Factory set Address 0000
229. gized for a specified amount of time about 30 seconds Conditions Supposed Defect of swing motor Causes Defect of connection cable power supply and limit switch Defect of air flow direction adjusting flap cam Defect of indoor unit PC board Troubleshooting 147 Troubleshooting by Indication on the Remote Control SiENBE34 802 Troubleshooting AN Caution Is power supply 220 240V provided YES ndoor unit is a model equipped with a swing flap function YES Swing motor works when the power supply is turned off and then back on NO After turning the swing flap ON and then stopping with the remote control the voltage of X6A or X29A of the indoor unit PC board is 220 240 VAC 50 Hz 220 VAC 60 Hz when turned on again within 30 seconds of turning on again YES The connecting cable has no continuity the air flow direction flap s cam mechanism is disconnected from the swing motor operation is normal when turned on again YES NO z NO YES The connector is connected to X9A or X15A of the indoor unit PC board YES he limit switc functions normally connecting cable is short circuited or disconnected NO NO N YES sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Provide 2
230. h BS2 SET button in each selection step Monitor mode rJ Check item selection Set Press BS3 RETURN button Contents display Press BS3 RETURN button Press BS1 MODE button V2762 106 Test Operation SiENBE34 802 Field Setting a Setting mode 1 This mode is used to set and check the following items 1 Set items In order to make COOL HEAT selection in a batch of outdoor unit group change the setting e COOL HEAT selection IND 0 Used to select COOL or HEAT by individual outdoor unit factory set e COOL HEAT selection MASTER 7 Used to select COOL or HEAT by outdoor unit group with the master unit e COOL HEAT selection 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 2 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
231. h pipe d Bent or crashed pipe lt Conduct visual checks for pipe conditions resistance Clogging of foreign particles Is there any temperature difference caused before and after the filter or branch pipe Less SUD valve Closed to be sure the stop valve is open circulation quantity of Inadequate refrigerant quantity lt Refer to P 189 refrigerant Moisture choke lt Eliminate moisture by vacuum operation Dirt evaporator Is the heat exchanger clogged Degradation in condensing Faulty fan motor Can the fan motor be rotated with hands capacity Decreased Are the motor coil resistance and insulation normal fan output Decreased Faulty control PC board spare PC board is mounted is the fan airflow Including capacity setting capacity setting properly made rate High air Passage Dirty filter lt ls the air filter clogged resistance Obstacle lt 15 there any obstacle in the air passage 1 For details of the compressor capacity control while in cooling refer to Compressor Control on P 50 2 The low pressure protection control includes low pressure protection control and hot gas bypass control For details refer to P 61 8 In cooling the indoor unit electronic expansion valve is used for superheated degree control For details refer to P 72 4 In heating the outdoor unit electronic expansion valve EV1 is used for superheated degree control of outdoor unit heat exch
232. he Service Checker Reset the operation using the remote control and then restart the operation Are the characteristics of the low pressure sensor normal See 1 Replace the low pressure sensor Is the pressure detected with the PC board normal See 2 Replace the main PC board The low pressure sensor is normal and the pressure detected with the PC board is also normal The low pressure has really become low Refer to information on 219 remove the causes by which the low pressure has become low 1 Make a comparison between the voltage of the pressure sensor 4 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 253 2 Make a comparison between the low pressure value checked with the Service Checker and the voltage of the pressure sensor see 1 3 Make measurement of voltage of the pressure sensor 5V Connector for low pressure sensor Blue 4 Red 3 Black Low Mi troll pressure pus 2 9 MwWhite sensor 1 Make measurement of DC voltage between these wires 4 Troubleshooting 167 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 21 Inverter Compressor Motor Lock Rem
233. heart conditioning equipment compressors T Ry refrigerants has led to its close involvement in ASA environmental issues For several years Daikin has a had the intension to become a leader the provision WV 7 of products that have limited impact on the y environment This challenge demands the eco design and development of a wide range of products and an energy management system resulting in energy conservation and a reduction of waste DAIKIN EUROPE N V Naamloze Vennootschap Zandvoordestraat 300 B 8400 Oostende Belgium www daikin eu BTW BE 0412 120 336 RPR Oostende Daikin Europe N V is approved by LRQA for its Quality Management System in accordance with the 1509001 standard 1509001 pertains to quality assurance regarding design development manufacturing as well as to services related to the product 18014001 assures effective environmental management system in order to help protect human health and the environment from the potential impact of our activities products and services and to assist in maintaining and improving the quality of the environment Daikin units comply with the European regulations that guarantee the safety of the product VRV products are not within the scope of the Eurovent certification programme The present publication is drawn up by way of information only and does not constitute an offer binding upon Daikin Europe N V Daikin Europe N V has compiled the
234. high Interface adapter speed DIII NET communication system adopted for the VRV System 5 for SkyAir series R 410A DTA112B51 To use any of the above optional controllers an appropriate adapter must be installed on the product unit to be controlled Up to 1024 units can be centrally controlled in 64 different groups 6 DIII NET DTA109A51 Wiring restrictions max lengh 1 000m total wiring lengh 2 000m max number of Expander Adapter branches 16 apply to each adapter 6 1 Mounting plate KRP4A92 Fixing plate for DTA109A51 Note 1 Installation box for x adapter must be procured on site 2 For residential use only Cannot be used with other centralized control equipment 246 Appendix SiENBE34 802 Option List Building Management System No Part name Model No Function intelligent Touch Air Conditioning management system that can be controlled by a i Basic Hardware Controller DCS601C51 compact all in one unit 1 1 intelligent Touch Hardware DIII NET plus adapter DCS601A52 Additional 64 groups 10 outdoor units is possible 4 2 Controller Option P P D DCSO002C51 P P D Power Proportional Distribution function Software Monitors and controls the air conditioning system using the Internet 1 Web DCS004A51 and a Web browser applicatio
235. ime Image of operation Operation sound Rated operation Rated p Operation sound of mode 1 Operation sound of mode 2 Operation sound of mode 3 A If capacity precedence is set in Capacity precedence setting the fan speed will be 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 1 1 Operation sound during n Night time i night time low noise mode is Denn n quce i RTS Sa a OOS I EINE BRE ERNEST Se instructed can be set with r Night time low noise level evan eie Ae ARADO CRORE gt EU RICE eee ee ee Se ae Ne Ns setting T 1 a Factory setting is OFF I Operation sound level set with Night time low noise setting 8 00 10 00 0 00 8 00 7 00 8 00 I aa 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 PM 8 00 V3079 Test Operation 115 Field Setting SiENBE34 802 Setting of Demand O Image of operation Power consumption Rated power consumption 80 of rated power consumption 70 of rated power consumption 60 of rated power consumption peration By connecting the external contact input to the demand input of the ou
236. ing a deduction for cooling an addition for heating for indoor fan motor heat Sound pressure levels are measured at 220V Specifications 25 Specifications SiENBE34 802 Ceiling Suspended Cassette Type 1 1 TECHNICAL SPECIFICATIONS FXUQ71MAV1 FXUQ100MAV1 FXUQ125MAV1 Power input Cooling kW 0 180 0 289 0 289 Nominal Heating kW 0 160 0 269 0 269 Colour White Casing Material Resin Height 230 295 295 Packing Width mm 960 960 960 Depth 960 960 960 Dimensions Height mm 165 230 230 Unit Width 895 895 895 Depth mm 895 895 895 3 Unit kg 25 31 31 Weight Packed Unit kg 35 42 42 Length mm 2101 2101 2101 Nr of Rows 3 3 3 Fin Pitch mm 1 50 1 50 1 50 TM Dimensions of Passes 8 8 12 Exchanger Face Area m 0 265 0 353 0 353 Nr of Stages 6 8 8 Empty Tubeplate 4 Hole Fin Fin type Cross fin coil Multi louver fins and N hix tubes Type Turbo fan Fan Quantity 1 1 1 High m min 19 00 29 00 32 00 Cooling Low m min 14 00 21 00 23 00 Air Flow Rate 4 High m min 19 00 29 00 32 00 Heating Low m min 14 00 21 00 23 00 Steps 2 2 2 Fan Motor Output high 45 90 90 Refrigerant Name R 410A Sound Sound Level Cooling power dBA 56 0 59 0 60 0 nominal High dBA 40 0 43 0 44 0 Cooling Sound ressure Low dBA 35
237. ion treatment if the float switch is not reset gt within 5 minutes AE gi Remote control flashing Remote control display running malfunction stop display ON Float switch OFF 1st time 2nd time 3rd time 4th time 5th time ON Drain pump OFF 1 5 4 51 4 4 VLO11 If the float switch is tripped five times in succession a drain malfunction is determined to have occurred AF is then displayed as operation continues 66 Function SiENBE34 802 Outline of Control Indoor Unit 62 Louver Control for Preventing Ceiling Dirt We have added a control feature that allows you to select the range of in which air direction can be adjusted in order to prevent the ceiling surrounding the air discharge outlet of ceiling mounted cassette type units from being soiled This feature is available on double flow multi flow and corner types C Existing position PO P1 P2 4 Ceiling soiling prevention ora prevention sein Setting positon ec 9 D Not for Multi flow type PO PO P1 NUN NN P2 P3 P 4 Y E 4 S P1 pa Draft prevention Same as existing position position Range of direction adjustment Standard Prohibited T into 5 positions position P1 Range of direction adjustment Prohibited Pi P2 p4 Separated into 5 positions position P2
238. ities 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 14 Specifications SiENBE34 802 Specifications 600x600 Ceiling Mounted Cassette Type Multi Flow 1 1 TECHNICAL SPECIFICATIONS FXZQ20M8V1B FXZQ25M8V1B FXZQ32M8V1B FXZQ40M8V1B FXZQ50M8V1B Nominal Cooling kW 2 20 2 80 3 60 4 50 5 60 Capacity Heating kw 2 50 3 20 4 00 5 00 6 30 Power input Cooling kW 0 073 0 073 0 076 0 089 0 115 Nominal Heating kW 0 064 0 064 0 068 0 080 0 107 Casing Material Galvanised steel Height mm 286 286 286 286 286 Dimensions Unit Width mm 575 575 575 575 575 Depth mm 575 575 575 575 575 Weight Unit kg 18 18 18 18 18 Nr of Rows 2 2 2 2 2 Heat Fin Pitch mm 1 50 1 50 1 50 1 50 1 50 Exchanger Dimensions Face Area m 0 269 0 269 0 269 0 269 0 269 Nr of Stages 10 10 10 10 10 Type Turbo fan Fan Quantity 1 1 1 1 1 High m min 9 00 9 00 9 50 11 00 14 00 Air Flow Rate Cooling Low m min 7 00 7 00 7 50 8 00 10 00 Quantity 1 1 1 1 1 Model QTS32C15M Fan Motor Output high Ww 55 55 55 55 55 Drive Direct drive Refrigerant Name R 410A Sound Sound Level Cooling power dBA 47 0 47 0 49 0 53 0 58 0
239. its 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 kg cm 1 4 5 16 2min gt 2 5min No oil is used in pressure test of gauges For prevention of contamination 264 Precautions for New Refrigerant R 410A SiENBE34 802 Precautions for New Refrigerant R 410A Temperature scale indicates the relationship between pressure and temperature in gas saturated state Differences Change in pressure Change in service port diameter 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 in service port diameter Use of nylon coated material for HFC resistance Charging cylinder Specifications Use weigher for refrigerant charge listed below to charge directly from refrigerant cylinder Differences The cylinder 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 Precautions for New Refrigerant R 410A 265 Precautions for New Refriger
240. juoo WEY 1 dn 16 uonoejep 159 JoyUOW asas d8 dlH AOS2 VO0 S L esn4 ngs AOSZ v 91 esn Jeyeay eseoxutl Zata e3 12 Joopino Joopu saon Aiddns samod uondo 01100 y ION Jojoejes 1eeu oo youms Lsa 40JO9UUOD VEX dopoedea 19 Jejdepe jo 19501 1521 uunjeJ Jas SPON yoyms usng YAMS 10479919S SZS 93158 000 4 YAMS 10 SIS 10199 9S H O peiuud Joj eies H D esioN dev 19 9SION 17 312 2109 9411494 191 OSION 28 212 div 7 1 prouejos SEA 19 qau 1 526 eA e piousjos SZA Gd bs 01 uo Wa SAS e1ueo eui ueuM 6 24 14 uolssiwsues uonoeuuoo JO Jenueu uonel ejsul eui
241. l Troubleshooting N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check for the points shown below Is the stop valve open Q Is the HPS connector properly connected to the main PC board 8 Does the high pressure switch have continuity Are the three points above OK NO Rectify defective points if any Mount a pressure gauge on the high pressure service port Connect the Service Checker Reset the operation using the remote control and then restart the operation Is the HPS operating value normal 4 0MPa Does the stop due to malfunction E3 recur Replace the HPS Are the characteristics of the high pressure sensor normal See 1 YES NO gt Replace the high pressure sensor ls the pressure detected with the PC board normal See 2 NO Replace the main PC board The high pressure sensor is normal and the pressure detected with the PC board is also normal The high pressure has really become high Betis hid remove the causes by which the high 1 Make a comparison between the voltage of the pressure sensor 4 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 2
242. l or timer sto controlled by timer i MEM Acceptance Rejection er ON OFF control Rejection Rejection 10 impossible by Acceptance remote control Example Acceptance Example 1 Example Example TEENS Rejection Example Rejection 11 A Acceptance 2 OFF control only Rejecti 12 acti ejection possible by Rejection Example remote control Acceptance 3 Rejection 13 ate Acceptance 4 Rejection TXRT Rejection 14 Centralized 5 cceptance Acceptance a Rejection 15 Acceptance Acceptance Rejection A Rejection 16 Individual Acceptance x i d Acceptance al Rejection 17 TN Acceptance 8 6 Rejection UNT Timer operation Acceptance Acceptance Rejection 18 possible by During timer at ON During timer at ON remote control position only position only espace Acceptance 9 Rejection 19 Do not select timer operation possible by remote control if not using a remote control Operation by timer is impossible in this case 1 Factory setting Las Ln ee Central remote control When ON OFF temperature setting and operation mode setting by local remote control is forbidden UNDER CENTRAL CONTROL is displayed on the remote control Test Operation 103 Field Setting SiENBE34 802 3 2 Field Setting from Outdoor Unit 3 2 1 Setting by Dip Switches The following field settings are made by di
243. l in other System or other indoor unit system abnormal in own system Erroneous field setting System transmission malfunction Overconnection malfunction of indoor units Malfunction of field setting Refrigerant abnormal Connection error BP unit Faulty system malfunction Conflict in wiring and piping no setting for system Wiring error Auto address error Conflict in wiring and piping 140 Troubleshooting SiENBE34 802 Troubleshooting by Remote Control O ON 9Q Blink Malfunction Confirmation of malfunction 1 Confirmation of malfunction 2 Confirmation of malfunction 3 Confirmation of malfunction 4 code H1P H2P H3P H5P H6P H2P H3P H4P H6P H7P H1P H2P H3P H5P H6P H7P H1P H2P H3P H6P 0 0 0 0 joje Display of conten id of Display of contents of Display 1 of Display 2 of malfunction first digit malfunction second digit malfunction in detail malfunction in detail 1 e Master 9 Slave1 Slav
244. lectric heater W Automatic charging is able to charge 6 kg hour refrigerant at an outside temperature of 0 C to 24 kg hour refrigerant at an outside temperature of 35 C The charging time depends on the amount of charged refrigerant and on the outside temperature Automatic refrigerant charging is NOT possible if the following restrictions are exceeded Outside temperature 0 C DB 43 C DB Indoor temperature 0 DB 32 C DB Indoor unit connection capacity 50 130 Automatic refrigerant charging procedure 1 Open the liquid and gas side stop valves completely Note that valve A must be closed 2 Turn on the power of the outdoor unit and indoor units When an indoor unit is connected to the refrigerant system and the indoor unit is turned off automatic charging will fail 3 Make sure that the led on the PCB on the outdoor unit are as shown in the table below This indicates that the system is operating normally d g H2P H5P H6P eo Test Operation 77 Test Operation SiENBE34 802 N Warning n Note Led state Throughout the manual the state of the leds is indicated as follows H OFF J blinking If H2P is lit up check the type of error based on the error code in the remote control and correct the error in accordance with 1 1 5 Check Operation on page 82 4 Automatically charge the refrigerant accor
245. length automatic judgement The following indications are conducted while in test operation LED lamp on outdoor unit PC board H2P flickers test operation Remote control Indicates UNDER CENTRALIZED CONTROL on upper right Indicates TEST OPERATION on lower left V3057 On completion of test operation LED on outdoor unit PC board displays the following H3P ON Normal completion H2P ON Abnormal completion Check the indoor unit remote control for abnormal display and correct it 82 Test Operation SiENBE34 802 Test Operation Malfunction code In case of an alarm code displayed on remote control Nonconformity during installation Remedial action valve of an outdoor unit is left Open the gas side shutoff valve and the liquid side shutoff valve E3 Recalculate the required amount of refrigerant from the piping Refrigerant overcharge length and correct the refrigerant charge level by recovering any excessive refrigerant with a refrigerant recovery machine These valve of an outdoor unit is left Open the gas side shutoff valve and the liquid side shutoff valve Check if the additional refrigerant charge has been finished E4 correctly Insufficient refrigerant Recalculate the required amount of refrigerant from the piping length and add an adequate amount of refrigerant Recalculate the required amount of re
246. leshooting RXYSQ4 6PA Malfunction is detected from the pressure detected by the high pressure sensor When the high pressure sensor is short circuit or open circuit W Defect of high pressure sensor W Connection of low pressure sensor with wrong connection W Defect of outdoor unit PC board A Caution The high pressure sensor is connected to X17A of outdoor unit PC board A1P Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Connect the high pressure sensor and turn on again The relationship between the 1 VH and high pressure is normal see 2 when voltage is measured between X17A pins 1 and 3 of outdoor unit PC board A1P see 1 YES gt Replace outdoor unit PC board A1P Replace the high pressure sensor V2806 1 Voltage measurement point Outside unit PC board A2P 5V O X17A Red E c GND Black o L E gt 5 t Microcomputer White A D input 2 Measure DC voltage here V2807 2 Refer to Pressure Sensor pressure voltage characteristics table on P253 180 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 33 UL Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Trouble
247. light reception BRC7C Type section flashes BRC7E Type The malfunction code can be determined by following the procedure described below The BRC4C Type 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 0 indication 2 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 3 Press the MODE selector button The left O upper digit indication of the malfunction code flashes 4 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 W The upper digit of the code changes as shown below when the UP and DOWN buttons are pressed r Eo lol ud puen 2928 2 ieb252434 Advance button 4m Backward button sEooo i 2 Number of beeps Continuous
248. lized YES control simultaneously Is the schedule timer s individual combined connector connected Disconnect the schedule timer s individual combined connector and reset the power supply for all optional controllers for centralized control simultaneously NO Are there two or more optional controllers for centralized control connected with the connector for setting master control YES gt Arrange so that the connector for setting master control is connected to one controller for centralized control and reset the power supply for all optional controllers for centralized control simultaneously Reset the power supply for all optional controllers for centralized control simultaneously If the malfunction is still not cleared Disconnect the connector for setting master control 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 control when the malfunction is cleared is defective and must be replaced V2843 Troubleshooting 215 Troubleshooting by Indication on the Unified ON OFF Controller SiENBE34 802 5 3 Display Under Host Computer Integrate Control Blinks Repeats Double Blink Remote Control Display Applicable Models Method of Malfunction Detection
249. low will be conducted Defrost ending or oil return ending Hot start ending conditions or Thermostat ON lapse of 3 minutes OR TH2 gt 34 C gt 52 Hot start control p Hot start in progress H L remote Normal control control setting LL The fan is not OFF before initiating the hot start LL The fan is OFF before initiating the hot start OFF Remote control Normal control setting Po Horizontal Temperature C detected with the gas thermistor TC High pressure equivalent saturated temperature 72 Function SiENBE34 802 Part 6 Test Operation 1 Tes P ODOT ANON bern ag lr aps odia a 74 1 1 Procedure and 74 1 2 Operation when Power is Turned On 85 2 Outdoor Unit PC Board Layout 86 Setting ae ETE TEE ITE 87 3 1 Field Setting from Remote 87 3 2 Field Setting from Outdoor Unit Test Operation 73 Test Operation SiENBE34 802 1 Test Operation 1 1 Procedure and Outline Follow the following procedure to conduct the initial test operation after installation 1 1 1 Check Work Prior to Turn Power Supply On Check the below items Power wiring Control transmission wiring between units E
250. lve A at once to start charging of the refrigerant Immediately after starting charging of the refrigerant by opening valve A press BS4 TEST once When BS4 TEST is not pressed within 10 minutes after the led indication is shown charging is stopped H2P H3P H4P H5P H6P H7P Code on remote control 55e re PR 78 Test Operation SiENBE34 802 Test Operation n Note i Note N Caution 4 4 The led indication becomes as shown in the table below during automatic refrigerant charging During automatic refrigerant charging the remote control indicates TEST test operation and xj external control H2P H3P H4P 5 H6P H7P If the led display below appears the refrigerant tank is empty Replace the refrigerant tank open valve A and re charge H2P H3P H4P H5P H6P Code on remote control ood Dd e PR The led indication becomes as shown in the table below when automatic refrigerant charging is about to end Prepare to close the valve on the refrigerant tank H2P H3P H4P H5P H6P Code on remote control D D DOGO RE It is possible that the code PE is not shown on the remote control but this does not indicate a malfunction The led indication can immediately shift to the situation as shown in Case 1 Charging complete on page 79 4 5 When the led indication becomes as shown in the table below quickly close valve A and follow instructions as described below When
251. m 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 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 A Warning 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 shook 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 contacts flames The step up capacitor supplies high voltag
252. manual Insulation for fitting Drain hose Clamps Screws Level adjustment screw Washer 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 CDB 6 CWB Notes equivalent refrigerant piping 7 5m horizontal Capacities are net includinga deduction for cooling an addition for heating for indoor fan motor heat Sound pressure levels are measured at 220V 24 Specifications SiENBE34 802 Specifications Concealed Floor Standing Type 1 1 TECHNICAL SPECIFICATIONS FXNQ20MAVE FXNQ25MAVE FXNQ32MAVE FXNQ40MAVE FXNQ50MAVE FXNQ63MAVE Nominal Cooling kW 2 20 2 80 3 60 4 50 5 60 7 10 Capacity Heating kw 2 50 3 20 4 00 5 00 6 30 8 00 Power input Cooling kW 0 049 0 049 0 090 0 090 0 110 0 110 Nominal Heating kW 0 049 0 049 0 090 0 090 0 110 0 110 Casing Material Galvanised steel Height mm 610 610 610 610 610 610 Dimensions Unit Width mm 930 930 1070 1070 1350 1350 Depth mm 220 220 220 220 220 220 Weight Unit kg 19 19 23 23 27 27 Nr of Rows 3 3 3 3 3 3 Heat Fin Pitch mm 1 50 1 50 1 50 1 50 1 50 1 50 Exchanger Dimensions 9 Face Area m 0 159 0 159 0 200 0 200 0 282 0 282 Nr of Stages
253. measured with the thermistor R3T for suctionv NO SRenace heien pipe1 disconnected from eplace the thermistor the outdoor unit PC board 1 YES Is the low pressure sensor correct NO gt Replace the low pressure sensor gt Replace the outdoor unit PC board A1P V2819 2 Voltage measurement point Outside unit PC board A1P 5V X18A Red Black B GND 3 x L Microcomputer 2 White 8 A D input a o 2 Measure voltage here V2809 1 Refer to Thermistor Resistance Temperature Characteristics table on P251 2 Refer to Pressure Sensor Pressure Voltage Characteristics table on P253 190 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 42 Uc Power Supply Insufficient or Instantaneous Failure Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes RXYSQ4 6PA Detection of voltage of main circuit capacitor built in the inverter and power supply voltage When the abnormal voltage of main circuit capacitor built in the inverter and abnormal power supply voltage are detected Power supply insufficient Instantaneous power failure Defect of outdoor unit fan motor Defect of outdoor inverter PC board A2P Troubleshooting 191 Troubleshooting by Indication on the Remote Con
254. mistor When the outside air temperature thermistor has short circuit or open circuit W Defect of thermistor R1T for outdoor air Defect of outdoor unit PC board A1P N 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 PC board NO gt Connect the connector and turn A1P on again Resistance is normal when measured after 5 disconnecting the thermistor gt Replace the thermistor R1T R1T from the outdoor unit PC board 3 5kQ to 360kQ YES gt Replace outdoor unit PC board ANP V3070 Refer to Thermistor Resistance Temperature Characteristics table on P251 174 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 27 Outdoor Unit Malfunction of Discharge Pipe Thermistor R2T Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting RXYSQ4 6PA Malfunction is detected from the temperature detected by discharge pipe temperature thermistor When a short circuit or an open circuit in the discharge pipe temperature thermistor is detected W Defect of thermistor R2T for outdoor unit discharge pipe Defect of outdoor unit PC board A1P Be sure to turn off power swit
255. mistors Exchanger High Temp ST8605 7 8 L1600 20kQ 25 C Thermistor Heat ROT ST8602A 7 6 11600 Exchanger 20kQ 25 C Float Switch SiL FS 0211B Others Fuse F1U 250V 5A 5 2 Transformer 1 22 21 8 List of Electrical and Functional Parts 33 List of Electrical and Functional Parts SiENBE34 802 Model Parts Name Symbol FXDQ FXDQ FXDQ FXDQ FXDQ FXDQ Remark 20 PVE 25PVE 32PVE 40NAVE 50NAVE 63NAVE Wired Remote Control BRC1D52 Remoa Infrared remote Option Control control BRC4C62 AC 220 240V 50Hz Fan Motor 1962W igi Thermal protector Motors 130 C OFF 83 C ON AC220 240V 50Hz Drain Pump M1P PLD 12230DM Thermal Fuse 145 C Thermistor Suction Air R1T STA OSC Thermistor for Heat ST8605 4 8 L 800 Thermistors Exchanger High Temp R3T 20kQ 25 C Thermistor Heat ROT ST8602A 4 6 L 800 Exchanger 20kQ 25 C Float Switch SiL FS 0211E Others Fuse F1U 250V 5A 5 2 Transformer TR22H21R8 Model Parts Name Symbol FXDQ FXDQ Remark 20M8V3B 25M8V3B Wired Remote Control BRC1D52 Infrared remote Option Control control 4 62 200 240V 50 60 2 Motors Fan Motor M1F 1 10 4 Thermal protector 135 C OFF 87 C ON Thermistor Suction Air R1T Thermistor for Heat ST8605 7 68 L 1600 Thermistors
256. motor thermal fuse PC board fuse Drain pump fuse Fan motor thermal protector Standard Accessories Metal clamp for drain hose Paper pattern for installation Drain hose Insulation for fitting Washer for hanger bracket Screws for duct flanges Screws for fixing the paper pattern for installation Fuse Installation and operation manual Nominal cooling capacities are based on indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 8m level difference Om Nominal heating capacities are based on indoor temperature 20 CDB outdoor temperature 7 CDB 6 CWB equivalent refrigerant piping 8m level difference Om The external static pressure is changeable change the connectors inside the electrical box this pressure means Notes High static pressure standard low static pressure The external static pressure is changeable change the connectors inside the electrical box this pressure means High static pressure standard 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 20 Specifications SiENBE34 802 Specifications Ceiling Mounted Duct Type 1 1 TECHNICAL SPECIFICATIONS FXMQ40PVE FXMQ5
257. ms yms ww OLS 15 X6 nd c 022 yms 1204 iS dev syed jeong jddns 109 10151080 L LEH LZH any LLH yun 235 Appendix SiENBE34 802 O900SSv0G Appendix iagrams D iring FXDQ20P 25 32P FXDQ40NA 50NA 63NAVE with Drain Pump U99J0 NHO eBuelO SHO Nd eng AHO e ding dud MOIISA 9IIUM LHM xoelg 034 9 un y peuoege 5 3y 13491 5 eui Aq peroejes UBD o4uoo jjo uo JO 1ndui y S Bunoeuuoo pue BuueeuiDue uejs s y seueA
258. n Set when TENA T T 1 a blocking pad kit has been installed F 4 directions T 3 directions W 2 directions 14 Air flow direction adjustment Set at 13 3 installation of decoration panel Equipped Not equipped 15 23 Ceiling Soili E g Soiling 4 Field set air flow position setting Draft prevention Standard prevention 16 Setting of the Static Pressure High static 5 Selection Standard pressure 17 01 30 02 50 03 60 04 70 05 80 06 90 07 100 08 110 6 External Static Pressure Settings 18 09 120 10 130 11 140 12 150 13 160 14 180 15 200 27 1 Thermostat OFF excess humidity Not equipped Equipped 19 Direct duct connection when the indoor unit and heat 15 A reclaim ventilation unit are Not equipped Equipped 20 25 connected by duct directly Note 6 3 Drain pump humidifier interlock selection Not equipped Equipped 21 Field set selection for individual 5 ventilation setting by remote control Not equipped Equipped E 22 Notes 1 cannot be checked except in the individual mode for those in parentheses 2 The mode numbers inside parentheses cannot be used by wireless remote controls so they cannot be set individually Setting changes also cannot be checked 3 Marked are factory set Settings are made simultaneously for the entire group however if you select the mode No inside
259. n Off the power supply and then replace the fuse s Cutout of breaker s Ifthe knob of any breaker is in its OFF position turn ON the power supply If the knob of any circuit breakeris in its tripped position do not turn ON the power supply ON gt Knob ss Tripped OFF Circuit breaker Power failure After the power failure is reset restart the system Open phase in power supply cable Check power supply After that properly connect the power supply cable and then turn ON the power supply immediate stop 2 The system starts operation but makes an Blocked air inlet or outlet of indoor or outdoor unit Remove obstacle s Clogged air filter s Clean the air filter s 3 The system does not cool or heat air well In cooling In cooling In cooling Blocked air inlet or outlet of indoor or outdoor unit Remove obstacle s Clogged air filter s 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 Direct sunlight received Hang curtains or shades on windows Too many persons staying ina room Too many heat sources e g OA equipment
260. n indoor unit of other system Defect of PC board of indoor unit in other system Improper connection of transmission wiring between indoor and outdoor unit 198 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control Troubleshooting N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred US has been YES displayed for 2 minutes or more NO Turn on all indoor units The UR display blinks on the remote controls of YES gt Re diagnose by display after passage of 2 minutes or more other units within the same refrigerant system NO display blinks on the remote controls of YES gt Refer to failure diagnosis for UA malfunction code other units within the same refrigerant system The A9 display blinks on the remote YES gt Refer to failure diagnosis for Al malfunction code controls of other units within the same refrigerant system display blinks on the remote controls of YES gt Refer to failure diagnosis for A9 malfunction code other units within the same refrigerant system gt Refer to failure diagnosis for malfunction code gt Refer to failure diagnosis for U5 malfunction code V2826 Troubleshooting 199 Troubleshooting by Indication on the Remote Control SiENBE34 802
261. n on a PC 1 4 Electrical box with earth terminal 4 blocks KJB411A Wall embedded switch box 128 units DAM602B52 256 units DAM602B51 Number of Air conditioner management system that can be controlled b 2 Basic Hardware unitstobe 512 units DAM602B51x2 9 y personal computers connected 768 units DAM602B51x3 intelligent Manager III 1024 units DAM602B51x4 2 1 P P D DAMO02A51 Power Proportional Distribution function Monitors and controls the air conditioning system using the Internet 22 Option Software Web DAMO04A51 and a Web browser application on a PC 2 3 Eco DAM003A51 ECO Energy saving functions 2 4 Optional DIII Ai unit DAM101A51 External temperature sensor for intelligent Manager III 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 3 o 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 3 1 Optional DIII board DAM411B51 communication ports Not usable independently 5 Expansion kit installed on DMS502B51 to provide 16 more 3 2 Optional Di board 12 51 wattmeter pulse input points Not usable independently 5 Interface unit to allow communications between VRV
262. nation Device 153 3 10 Ci Indoor Unit Failure of Transmission Between Indoor unit PC Board and Fan PC 154 3 11 C4 Indoor Unit Malfunction of Thermistor R2T for Heat Exchanger insieme 156 3 12 C5 Indoor Unit Malfunction of Thermistor R3T for Gas Pipes 157 3 13 Indoor Unit Failure of Combination Between Indoor unit PC Board and Fan PC 158 3 14 C9 Indoor Unit Malfunction of Thermistor R1T for Suction Air 159 3 15 CA Indoor Unit Malfunction of Thermistor for Discharge Air 160 3 16 Indoor Unit Malfunction of Humidity Sensor System 161 3 17 Cu Indoor Unit Malfunction of Thermostat Sensor in staan 162 3 18 Outdoor Unit PC Board 163 3 19 Outdoor Unit Actuation of High Pressure Switch 164 3 20 Outdoor Unit Actuation of Low Pressure Sensor 166 3 21 5 Inverter Compressor Motor 168 3 22 E Malfunction of Outdoor Unit Fan 169 3 23 ES Outdoor Unit Malfunction of Moving Part of Electronic Expansion
263. nd Fan PC Board 158 About Refrigerant R 410A 258 Failure of Transmission Between Indoor unit PC Actuation of High Pressure Switch 164 Board and Fan PC Board 154 Actuation of Low Pressure Sensor 166 Fan Motor M1F Lock Overload 146 Address Duplication of Central Remote Control 201 Field Setting EIE UEM M EPCBAT Silesia tate dard ONE 87 Address Duplication Improper Setting 210 Field Setting from Outdoor Unit 104 BE E E E E 152 Field Setting from Remote Control 87 BV ace e stesse us taa aot ate cia ded 153 Freeze Prevention eee 70 Applicable range of Field setting 92 Functional Parts Layout 44 H Cl ioe nee tio 154 X 174 G4 E EE 156 Heating Operation Prohibition 64 cg ERE 157 High Pressure Protection Control 60 UB scies sitet Antes ashe natia Sept e 158 High Voltage of Capacitor in Main Inverter Circuit CS riers ta ditum ddr Sdn uv M cuo MAE 159 188 OA eere e AMA LU UK 160 161 Centralized Control Group No Setting 100 Improper Combination of Optional Controllers
264. ndoor Unit Malfunction of Thermostat Sensor in Remote Control Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Note All indoor unit models Malfunction detection is carried out by temperature detected by remote control air temperature thermistor Note1 When the remote control air temperature thermistor becomes disconnected or shorted while the unit is running Defect of remote control thermistor Defect of remote control PC board Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred A Caution Turn power supply OFF then power ON again s Cu displayed on the remote control YES Replace remote control External factor other than equipment malfunction for example noise etc V2787 In case of remote control thermistor malfunction unit is still operable by suction air thermistor on indoor unit Refer to thermistor resistance temperature characteristics table on P251 162 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 18 Ei Outdoor Unit PC Board Defect Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting RXYSQ4 6PA Ch
265. ntrally controlled in 64 different groups 2 DIII NET Expander Adapter DTA109A51 W Wiring restrictions max length 1 000 m total wiring length 2 000 m max number of branches 16 apply to each adapter System Configuration No Part name Model No Function Note2 Upto 16 groups of indoor units 128 units can be easily controlled using the large LCD 1 Residential central remote control panel ON OFF temperature setting and scheduling can be controlled individually for DCS303A51 indoor units 2 Central remote control DCS302C51 Up to 64 groups of indoor units 128 units can be connected and ON OFF temperature setting and monitoring can be accomplished individually or simultaneously Connectable up 2 1 Buea with earth terminal KJB311A to 2 controllers in one system 3 Unified ON OFF controller DCS301B51 i Upto 16 groups of indoor units 128 units can be turned ON OFF individually or 3 1 ppc With earth termina KJB212A A simultaneously and operation and malfunction can be displayed Can be used in a combination with up to 8 controllers 3 2 Noise filter for electromagnetic KEK26 1A interface use only Programmed time weekly schedule can be controlled by unified control for up to 64 groups 4 Schedule timer DST301B51 of indoor units 128 units Can turn units ON OFF twice per day R 407C R 22 DTA102A52 Adapters required to connect products other than those of the VRV System to the
266. ntrol SiENBE34 802 24 Cooling Operation Fan Control In cooling operation with low outdoor air temperature this control is used to provide the adequate amount of circulation air with liquid pressure secured by high pressure control using outdoor unit fan Furthermore when outdoor temperature gt 20 C the compressor will run in Step 7 or higher When outdoor temperature gt 18 C it will run in Step 5 or higher When outdoor temperature gt 12 C it will run in Step 1 or higher Upper limit of fan revolutions Step 8 Pc HP pressure sensor detection value Pc lt 2 75MPa Pc gt 3 24MPa Upper limit of outdoor unit fan revolutions Step 7 PI control v Lapse of 20 sec PI control 1 stepon P current step on Vn outdoor unit fan outdoor unit fan 4 outdoor unit fan PI control Lapse of 20 sec Fan Steps Cooling M1F M2F STEPO 0 rpm 0 rpm STEP1 250rpm 0 rpm STEP2 400 rpm 0 rpm STEPS 285 rpm 250rpm STEP4 360 rpm 325 rpm 5 445 410 STEP6 580 rpm 545 rpm STEP7 715rpm 680 rpm STEP8 850 rpm 815rpm 52 Function SiENBE34 802 Special Control 3 Special Control 3 1 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
267. ntrol System S1L 144 BT aiti ett ttd 188 Malfunction of High Pressure Sensor 180 PC Board Defect 143 163 206 Malfunction of Humidity Sensor System 161 Power Supply Insufficient or Instantaneous Failure Malfunction of Inverter Radiating Fin Temperature 191 ita Der virtue ada setae 183 Precautions for New Refrigerant R 410A 258 Malfunction of Low Pressure Sensor 181 Pressure Sensor 253 Malfunction of Moving Part of Electronic Expansion Protection Control 60 Valve ad deii 150 Pump down Residual Operation 57 Malfunction of Moving Part of Electronic Expansion Valve Y TE 170 R Malfunction of Outdoor Unit Fan Motor 169 Refrigerant Circuit 40 Malfunction of PC Board aaaea 182 Refrigerant Cylinders 260 Malfunction of Swing Flap Motor M1S 147 Refrigerant Overcharged 173 Malfunction of System Refrigerant System Address Restart Standby 58 Undefined Pert 204 Malfunction of Thermistor R1T for Suction Air 159 S Malfunction of Thermistor R2T for Heat Exchanger Service Tools beue tate dee tete 261 156 Setting by Dip Switches 104 Malfunction of Thermistor R3T f
268. ode No Contents 01 15 25 5 02 Individual operation of ventilation Test Operation 99 Field Setting SiENBE34 802 3 1 7 Centralized Control Group No Setting BRC1C Type In order to conduct the central remote control using the central remote control and the unified ON OFF controller Group No settings should be made by group using the operating remote control Make Group No settings for central remote control using the operating remote control 1 Turn ON the power of the indoor unit and unified ON OFF controller Unless the power is ON no setting can be made Check that the installation and electrical wiring are correct before turning the power supply ON When the power supply is turned ON all LCD appear once and the unit may not accept the operation for about one minute with the display of flashing an interval of ON ON and OFF 2 While in normal mode press and hold the switch for a period of four seconds or more to set the system to Field Setting Mode 3 Select the MODE No BO with the button 4 Use the button to select the group No for each group Group numbers increase in the order of 1 00 1 01 1 15 2 00 4 15 5 Press to set the select
269. odels Check data from E7PROM When data could not be correctly received from the EEPPROM E PROM Type of nonvolatile memory Maintains memory contents even when the power supply is turned off W Defect of indoor unit PC board Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred A Caution Turn power supply OFF then power ON again Does the system YES return to normal External factor other than malfunction for example noise etc Replace the indoor unit PC board v2777 Troubleshooting 143 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 3 A Indoor Unit Malfunction of Drain Level Control System S1L Remote Control i Display Applicable FXCQ FXFQ FXZQ FXKQ FXSQ FXMQ Models FXHQ Option FXAQ Option Method of By float switch OFF detection Malfunction Detection Malfunction When rise of water level is not a condition and the float switch goes OFF Decision Conditions Supposed 220 240V power supply is not provided Causes Defect of float switch or short circuit connector Defect of drain pump Drain clogging upward slope etc Defect of indoor unit PC board Loose connection of connector 144 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control Troubleshooting AN Be sure to turn off power switch before c
270. ol 128 2 1 The INSPECTION TEST oit meritos ridge te bt 128 2 2 Self diagnosis by Wired Remote Control 129 2 3 Self diagnosis by Wireless Remote 130 2 4 Operation of the Remote Control s Inspection Test Operation Button 132 2 5 Remote Control Service Mode eene 133 2 6 Remote Control Self Diagnosis Function 135 Troubleshooting by Indication on the Remote Control 142 3 1 AU Indoor Unit Error of External Protection Device 142 3 2 AP Indoor Unit PC Board Defect 143 3 3 Indoor Unit Malfunction of Drain Level Control System S1L 144 3 4 Indoor Unit Fan Motor M1F Lock Overload 146 3 5 Indoor Unit Malfunction of Swing Flap Motor M18 147 3 6 Abnormal Power Supply Voltage seen 149 3 7 AS Indoor Unit Malfunction of Moving Part of Electronic Expansion Valve dete rice teet rae ion 150 3 8 Indoor Unit Drain Level above 152 3 9 RJ Indoor Unit Malfunction of Capacity Determination Device 153 3 10 Ci Indoor Unit Failure of Transmission Between Indoor
271. on of malfunction 1 Push the RETURN BS3 button once to display First digit of malfunction code Confirmation of malfunction 2 Push the SET BS2 button once to display Second digit of malfunction code Confirmation of malfunction 3 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 Detail description on next page Contents of malfunction Malfunction code Open phase Power supply imbalance Imbalance of inverter power supply voltage Faulty temperature sensor of inverter radiation fin Faulty thermistor of inverter fin Refrigerant shortage Refrigerant shortage alarm Abnormal power supply voltage Insufficient Inverter voltage Faulty charge of capacitor in main inverter circuit Malfunction due to SP PAM overvoltage Malfunction due to P N short circuit No implementation of test run Transmission error between indoor and outdoor unit transmission error transmission error Transmission error of other system Indoor unit system abnorma
272. onnect or disconnect connector Caution or parts damage may be occurred Is power supply 220 240V provided The float Switch is connected to X8A or X15A of the indoor unit PC board The float switch contact is forming a short circuit continuity check with X8A or X15A disconnected Water builds up in the drain pan The drain pump is connected to X25A or terminals Y1 and Y2 of the indoor unit PC board YES The drain pump works when the power supply is reset for the indoor unit NO The voltage of terminals Y1 and Y2 or X25A is 220 240 V within 5minutes of resetting the power supply circuit connector is normal when X8A or X15A of the indoor unit PC board The float switch functions normally YES Provide 220 240V power supply Connect either a short circuit connector or float switch and turn on again Defect of indoor unit PC board Loose connection of connector Replace float switch Modify the float switch s connection and turn on again Connect the drain pump and turn on again Check the drain piping for clogging or upward slope etc Replace indoor unit PC board Replace the drain pump or check for dirt etc V2778 Troubleshooting 145 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 4 Remote Control Display Applicable Mo
273. ontrol 128 2 1 The INSPECTION TEST rhet et ted 128 2 2 Self diagnosis by Wired Remote Control 129 2 3 Self diagnosis by Wireless Remote 130 2 4 Operation of the Remote Control s Inspection Test Operation Button 132 2 5 Remote Control Service Mode eese 133 2 6 Remote Control Self Diagnosis Function 135 Troubleshooting by Indication on the Remote Control 142 3 1 AU Indoor Unit Error of External Protection Device 142 3 2 AP Indoor Unit PC Board Defect s eor m DU ha gen cat 143 3 3 Indoor Unit Malfunction of Drain Level Control System S1L 144 3 4 Indoor Unit Fan Motor M1F Lock Overload 146 3 5 Indoor Unit Malfunction of Swing Flap Motor 15 147 3 6 Abnormal Power Supply 149 3 7 A Indoor Unit Malfunction of Moving Part of Electronic Expansion Valve YTE esee 150 3 8 Indoor Unit Drain Level above 152 3 9 RJ Indoor Unit Malfunction of Capacity Determi
274. ontrol check the system using microcomputer if signal Malfunction transmission between indoor unit and remote control main and sub is normal Detection Malfunction Normal transmission does not continue for specified period Decision Conditions Supposed Malfunction of transmission between main and sub remote control Causes Connection between sub remote controls W Defect of remote control PC board Troubleshooting N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred 551 of remote control PC boards is set to MAIN Using 2 remote controls control Set SS1 to MAIN the power supply off once and then back on 551 of both remote controls is set to SUB gt Turn the power off and then back on If a malfunction occurs replace the remote control PC board gt Set one remote control to MAIN the power supply off once and then back on V2825 Troubleshooting 197 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 47 U9 Malfunction of Transmission between Indoor and Outdoor Units in the Same System Remote Control Io Display Applicable All indoor unit models Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Malfunction of transmission within or outside of other system Malfunction of electronic expansion valve i
275. operation of the unit Check the error by using the error code displayed on the remote control For an explanation of error codes see Error codes on the remote control on page 75 and solve the problem After correcting the problem press BS1 MODE button once and perform automatic refrigerant charging again starting from step 4 1 5 When charging is complete determine the weight of refrigerant that was added and fill in the amount in the Additional refrigerant charge label attached to service precautions plate on the unit 6 After adding the refrigerant do not forget to close the lid of the service port The tightening torque for the lid is 11 5 13 9 Nem Service port for adding refrigerant V1 Lt Es pir cl Pipe fixing plate line stop I Liquid line stop valve Hj valve 5 Gas line _ line stop valve E stop o OE bo Procedure 2 Charging while the outdoor unit is at a standstill See figure 6 on page 75 Determine the weight of refrigerant to be charged additionally referring to the item 1 Additional refrigerant charge in How to calculate the additional refrigerant to be charged on page 249 and fill in the amount in the Additional refrigerant charge label attached to the unit 2 After the vacuum drying is finished open valve A and
276. option handbook 3 1 1 Wired remote control BRC1C62 UNIT NO V DAIKIN MODE NO SECOND FIELD CODE NO SET FIRST ee A MODE CODE NO V0292 1 When in the normal mode press the E3 button for a minimum of four seconds and the FIELD SET MODE is entered 2 Select the desired MODE NO with the button During group control when setting by each indoor unit mode No 20 22 and 23 have been selected push the button 9 and select the INDOOR UNIT NO to be set This operation is unnecessary when setting by group Push the 4 upper button and select FIRST CODE NO Push the 9 lower button amp and select the SECOND CODE NO NOOO Push the 2 button once and the present settings are SET Push the button 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 87 Field Setting SiENBE34 802 n Notes BRC1D528 UNIT NO FIRST EN MODE NO CODE NO
277. or outdoor to outdoor transmission wiring F1 F2 disconnection short circuit Causes or wrong wiring Outdoor unit power supply is OFF System address doesn t match Defect of outdoor unit PC board Defect of indoor unit PC board 194 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control Troubleshooting A Caution Has the indoor or outdoor unit PC board been replaced or has the indoor or parts damage may be occurred YES Be sure to turn off power switch before connect or disconnect connector outdoor or outdoor outdoor unit transmission wiring been modified S indoor unit remote controllers of the same refrigerant system display YES indoor outdoor and outdoor outdoor unit transmission wiring normal gt Push and hold the RESET button on the master outdoor unit PC Board for 5 seconds The unit will not operate for up to 12 minutes Replace the indoor unit PC board Fix the indoor outdoor unit Reset the power supply transmission wiring Outdoor unit PC board microcomputer monitor HAP blinks control PC A2P The Has either the fuse FAU on the outdoor unit PC board or the fuse F1U on the inverter PC board A2P any broken wires in the connectors of the inverter PC board A1P and the voltage
278. or Gas Pipes 157 Setting by pushbutton switches 106 Malfunction of Thermistor R3T R5T for Suction Pipe Setting of Low Noise Operation and Demand ce 176 Operation anseris di Diaeta tria um cd 115 Malfunction of Thermistor 179 Setting of Refrigerant Additional Charging Operation Malfunction of Thermistor R6T 177 119 Malfunction of Thermistor R7T for Outdoor Unit Special Control rnn reneeeene 53 Liquid aito da aimes 178 Specifications 6 Malfunction of Thermistor for Discharge Air 160 Startup Control 53 Malfunction of Thermostat Sensor in Remote Control Stopping Operation QuII I I ad 59 162 Swing Flaps eed ee 71 Malfunction of Transmission between Central Remote Symptom based Troubleshooting kipdiisc s eet 125 Control and Indoor Unit 202 System is not Set yet 203 Malfunction of Transmission between Centralized Remote Control and Indoor Unit 205 T Malfunction of Transmission between Indoor and Test Operation Outdoor Units in the Same System 198 Procedure and Outline 74 Malfunction of Transmission between Indoor Units Thermistor Resistance Temperature Characteristics and Outdoor Units
279. or Unit 6 5 View of Operations of Swing Flaps Swing flaps work as following Flap control Fan FXCQ FXFQ FXKQ FXAQ FXHQ Hot start from Swinging OFF Level Level Level defrosting Setting the wind direction OFF Level Level Level Swinging OFF Level Level Level Defrosting z NET Setting the wind direction OFF Level Level Level 2 Swinging LL Level Level Level Thermostat is off Setting the wind direction LL Level Level Level Hot start from the Swinging LL Level Level Level state that the ET thermostat is off Setting the wind direction LL Level Level Level Halt Swinging OFF Level Level Level Setting the wind direction OFF Level Level Level Thermostat of Swinging 7 Swinging Swinging Swinging microcomputer dry TEC 1 is on Setting the wind direction L Set up Set up Set up Thermostat of Swinging OFF Swinging Swinging Swinging microcomputer dry LS or is off Setting the wind direction L Set up Set up Set up Cooling thermostat Swinging Setup Swinging Swinging Swinging 8 is off Setting the wind direction Set up Set up Set up Set up Halt Swinging OFF Level Level Level Setting the wind direction OFF Set up Level Level Microcomputer is Swinging L Swinging Swinging Swinging controlled including 7 7 the cooling state Setting the wind direction L Set up Set up Set up 1 Only in FXFQ case
280. ote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting RXYSQ4 6PA Inverter PC board 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 Compressor lock High differential pressure 0 5MPa or more Incorrect UVW wiring Faulty inverter PC board Stop valve is left in closed Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred A Caution Check the installation conditions Is the stop valve open YES NO gt Open the stop valve Is the UVW wiring NO normal Connect correctly YES Is high differential pressure YES starting 0 5MPa or more NO Check and See whether compressor is short circuited or ground Remedy the cause YES gt Replace the compressor Are inverter output voltages the same for 3 phases NO Replace the inverter PC board Assy A2P Does low or high pressure vary even instantaneously when restarting compressor NO Replace the compressor V2793 168 Troubleshooting SiENBE34
281. otector Standard Accessories Operation manual Installation manual Drain hose Sealing pads Clamps Washer Screws Insulation for fitting Clamp metal Air discharge flange Air suction flange Notes Nominal cooling capacities are 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 CDB 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 13 or 14 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 Specifications 21 Specifications SiENBE34 802 Ceiling Suspended Type 1 1 TECHNICAL SPECIFICATIONS FXHQ32MAVE FXHQ63MAVE FXHQ100MAVE Nominal Cooling kW 3 60 7 10 11 20 Capacity Heating kW 4 00 8 00 12 50 Power input Cooling kW 0 111 0 115 0 135 Nominal Heating kW 0 111 0 11
282. ound leakage 256 Appendix SiENBE34 802 Part 9 Precautions for New Refrigerant R 410A 1 Precautions for New Refrigerant 410 258 PS 258 1 2 Refrigerant CylIniders adeo tute eed 260 1 3 Service TOS uero rer reca die dese apo BOUE aD 261 Precautions for New Refrigerant R 410A 257 Precautions for New Refrigerant R 410A SiENBE34 802 1 Precautions for New Refrigerant R 410A 1 4 Outline 1 1 1 About Refrigerant R 410A W Characteristics 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 HFC units Units using new refrigerants HCFC units Refrigerant name R 407C R 410A R 22 opas oft Cae and and JFG T28 i maerens a 3 2 MPa gauge pressure 4 0 MPa gauge pressure 2 75MPa gauge pressure Desig Pressure 2 35 6 va 40 8 uer 28 0 ee Refrigerant oil Synthetic oil Ether Mineral oil Suniso d 0 0 0 05 Combustibility None None None Toxicity None None None 1 Non azeotropic mixture refrigerant mixture of two or more refrigerants having different boiling points 2 Quasi azeotropic mixture
283. ounds are produced from Normal operation Hissing sounds are gas refrigerant flowing continuously produced while in respectively through the indoor cooling or defrosting operation and outdoor units Indoor and outdoor units These sounds are produced Normal operation Hissing sounds are produced when the gas refrigerant stops immediately after the startup or or changes flowing stop of the system or the startup or stop of defrosting operation Indoor unit These sounds are produced from Normal operation Faint sounds are continuously the drain discharge device in produced while in cooling operation operation or after stopping the operation Indoor unit These sounds are produced from Normal operation Creaking sounds are resin parts expanding and produced while in heating contracting with temperature operation or after stopping the changes operation Indoor unit On VRV systems these sounds Normal operation Sounds like trickling or the are produced when other indoor like are produced from indoor units in operation The reason is units in the stopped state that the system runs in order to prevent oil or refrigerant from dwelling Outdoor unit Thereasonis that the compressor Normal operation Pitch of operating sounds changes the operating frequency changes 12 Dust comes out Dust comes out from the Dust which has deposited on the Normal operation from the system system when it re
284. own flow operation Yes 13 23 3 02 Down flow operation 16 Setting of Air Flow Direction Adjustment Range Make the following air flow direction setting according to the respective purpose 7 2537 Setting Table Mode No First Code No Second Code No Setting 01 Upward Draft prevention 13 23 4 02 Standard 03 Downward Ceiling soiling prevention Some indoor unit models are not equipped with draft prevention upward function 17 Setting of the Static Pressure Selection B Inthe Case of FXDQ20 32PB FXDQ40 63NB Model No First Code No Second Code No External static pressure 01 Standard 10Pa 13 23 5 02 High static pressure 30Pa Test Operation 97 Field Setting SiENBE34 802 18 External Static Pressure Settings for FXMQ P model MODE NO FIRST CODE NO SECOND CODE NO External Static Pressure 01 30Pa 1 02 50Pa 03 60Pa 04 70Pa 05 80Pa 06 90Pa 13 23 06 08 110Pa 09 120Pa 10 130Pa 11 140Pa 12 150Pa 13 160Pa 14 180Pa 2 15 200Pa 2 The SECOND CODE is set to 07 an external static pressure of 100 Pa at factory set 1 The FXMQ50 63 80 100 125PVE cannot be set to 30 Pa 2 The FXMQAOPVE cannot be set to 180 or 200 Pa 19 Humidification When Heating Thermostat is OFF Setting to Humidification Setting turns ON
285. oximity of the product charging port e g onto the inside of the service cover Contains fluorinated greenhouse gases covered by the Kyoto Protocol Contains fluorinated greenhouse gases R 410 A k covered by the Kyoto Protocol 9 factory refrigerant charge of the product see unit name plate kg Lt additional refrigerant amount charged f m jN the field oG refrigerant charge outdoor unit refrigerant cylinder and manifold for charging 76 Test Operation SiENBE34 802 Test Operation 1 1 4 2 Procedures for adding refrigerant N Caution nm Note Procedure 1 Adding refrigerant by using the automatic refrigerant charging function recommended How to connect the tank Liquid line stop valve Gas line stop valve Liquid line stop valve Service port for Y1 Gas line stop valve adding refrigerant Valve A R 410A tank Measuring instrument Measuring instrument To indoor unit To peor unit When the refrigerant tank is connected and the specified operation is performed the appropriate amount of refrigerant will be charged into the system After charging the system will stop automatically The refrigerant must be charged according to the procedure described below Make sure to turn ON the power 6 hours before starting the operation This is necessary to warm the crankcase by the e
286. p switches on PC board Dipswitch Setting item Description No Setting ON Cool Heat Used to set cool heat change over setting by remote DS1 1 change over OFF Factory set setting control equipped with outdoor unit Note 1 ON DS1 2 Not used Do not change the factory settings OFF Factory set Cool heat selector connection procedure Set the remote control only when changing over the operation mode between cooling and heating using the remote control installed in the outdoor Connect the cool heat selector optional accessory to the terminals A B and C on the outdoor X2M Terminal board A B and C 2 Set the cool heat selector switch DS1 1 from OFF which is selected at the factory before shipment to ON 1 DS1 1 switch knob mo DS1 1 2 d X2M ABC Cool heat selector 104 Test Operation SiENBE34 802 Field Setting AN Caution Capacity Setting after changing the main PC Board A1P to spare parts PC Board When you change the main PC Board A1P to spare parts PC Board please carry out the following setting Please Attach the Capacity Setting Adapter corresponding to Capacity Class ex 112 140 160 in connector X51A See Below Capacity Setting Adapter Capacity Class Note 4 112 CAPACITY SETTING ADAPTER for 100 J112 5 140
287. pection Test Operation Button Normal display No display Y Inspection test operation Push the button Y Unit 0 Malfunction code LO Inspection Inspection mode Inspection test operation Push the button 071 FCJ Indoor unit model code display Inspection test operation Push the button Unit Malfunction code LO Inspection 0 Malfunction code blinks when a malfunction occurs 07 1 Capacity code AA1 Outdoor unit model code display Y Inspection test operation Push the button Y Test operation Test operation mode Y Inspection test operation Push the button Example of capacity code display F Indoor unit system code Example model Display C Indoor unit type code 1 J Progression code i FXCQ25 028 poseer v ay ees S FXFQ63 071 Indoor unit system code Display Product classification System classification 1 VRV system VAV indoor unit 2 VRV system Outdoor air processing unit F VRV system Standard indoor unit H VRV system New ceilling suspended cassette Indoor unit type code Display Type Model A Wall mounted FXAQ Double flow FXCQ E Corner FXKQ F Multi flow FXFQ H Ceiling suspended FXHQ J Built in FXSQ L Floor standing FXLQ P Concealed ceilin
288. piping A humidifier unit optional accessory is installed on the indoor unit YES gt Check if the humidifier unit is leaking gt Defect of indoor unit PC board V2782 152 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 9 Au Indoor Unit Malfunction of Capacity Determination Device D 1 Remote Control ma Display Applicable All indoor unit models Models Method of Capacity is determined according to resistance of the capacity setting adapter and the memory Malfunction inside the IC memory on the indoor unit PC board and whether the value is normal or abnormal Detection is determined Malfunction Operation and Decision 1 When the capacity code is not contained in the PC board s memory and the capacity setting Conditions adapter is not connected 2 When a capacity that doesn t exist for that unit is set Supposed W You have forgotten to install the capacity setting adapter Causes W Defect of indoor unit PC board Troubleshooting AN Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred he indoor unit PC board was replaced with a replacement PC board NO 2 Replace the indoor unit PC board indoor unit is a model that requires installation of a capacity setting adapter when replacing the PC board NO 2 Replace the indoor unit
289. ppendix Method of Replacing the Inverter s Power Transistors Modules SiENBE34 802 T Method of Replacing the Inverter s Power Transistors Modules Checking failures in power semiconductors mounted on inverter PC board Check the power semiconductors mounted on the inverter PC board by the use of a multiple tester Items to be prepared e Multiple tester Prepare the digital type of multiple tester with diode check function Preparation Turn OFF the power supply Then after a lapse of 10 minutes or more make measurement of resistance e To make measurement disconnect all connectors and terminals Inverter PC board RXYSQA 5 6PA7Y1B PED odo SW PS X108A WHT
290. pper limit frequency 1 step down from current compressor frequency After 10 sec pcs3 04MPa gt Keeping the current step Pc lt 2 94MPa After 60 sec INV upper limit frequency 1 step up from current compressor frequency Pc gt 3 64MPa When occurring 10 times within 60 High pressure standby minutes HPS is activated without gt high pressure standby thus outputting the malfunction code E3 60 Function SiENBE34 802 Protection Control 42 Low Pressure Protection Control This low pressure protection control is used to protect compressors against the transient decrease of low pressure In cooling operation Low pressure not limited Pe LP pressure sensor detection value Pe 0 25MPa Pe gt 0 39MPa Low pressure Hot gas SVP OFF limited v Pe 0 15MPa Pe gt 0 30MPa 36Hz Unload Hot gas SVP ON Pe lt 0 07MPa Low pressure ____ When occurring 3 times within 30 min standby the malfunction code E4 is output In heating operation Pe LP pressure sensor detection value Pe lt 0 17MPa Low pressure not limited 4 gt 0 09 OO gt A or Ts Teg lt 8deg amp Pe gt 0 06MPa Low pressure limited INV upper limit frequency 3 step down from current compressor frequency A Pe
291. r centralized control and indoor unit Connector for setting master controller is disconnected Failure of PC board for centralized remote control Defect of indoor unit PC board N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Has an indoor unit once Connected been remove or its YES address changed Reset power supply simultaneously for all optional controls for centralized control NO Is the power supply turned on for indoor units displaying Turn indoor unit s power malfunction supply Is transmission wiring NO disconnected or wired Fix the wiring correctly incorrectly YES Is the group No of malfunctioning indoor units set Is transmission with all indoor units malfunctioning Set the group No correctly Is the transmission wiring with the master controller disconnected or wired incorrectly NO gt Fix the wiring correctly controller s connector for setting master controller disconnected NO gt Connect the connector correctly Replace the central PC board V2829 202 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 51 UF Remote Control Display 7 Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshootin
292. rmostat for cooling and heating Safety devices Fuse Fan motor thermal protector Installation and operation manual Drain hose Sealing Pads Clamps Washer Insulation for fitting Clamp metal Standard Accessories Washer fixing plate Screws for duct flanges Air filter 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 CDB 6 CWB equivalent refrigerant piping 7 5m horizontal Notes Capacities are net including a deduction for cooling an addition for heating for indoor fan motor heat External static pressure can be changed by the remote control 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 When the suction place is changed to bottom suction sound level will increase by approximately 5dBA Specifications 17 Specifications SiENBE34 802 Slim Ceiling Mounted Duct Type with Drain Pump 1 1 TECHNICAL SPECIFICATIONS FXDQ20M8V3B FXDQ25M8V3B Nominal Cooling kW 2 20 2 80 Capacity Heating kW 2 50 3 20 Power input Cooling kW 0 050
293. rol Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting RXYSQ4 6PA Malfunction is detected from current flowing in the power transistor When overload in the compressor is detected during startup Defect of compressor W Pressure differential start Defect of outdoor unit PC board A2P N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred difference between high and low pressure NO when starting is above 0 2MPa Disconnect the connection between the compressor and inverter Make the power transistor check mode ON by service mode Inverter output voltage check Inverter output voltage is not balanced NO Unsatisfactory pressure equalization Check refrigerant system Normal if within 5V Must be measured when frequency is stable After turning on NO 2 Replace the inverter PC board assy A2P again L9 blinks again YES gt Reset and restart Compressor inspection Inspect according to the diagnosis procedure for odd noises vibration and operating status of the V2814 186 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 39 LL Outdoor Unit Malfunction of Transmission between Inverter and Control PC Board Remot
294. rol while in 4 Gas pipe R3T cooling operation mm Capacity GAS Liquid 20125132140150 012 7 6 4 63 80 100 125 015 9 9 5 224 Appendix SiENBE34 802 Piping Diagrams FXDQ Gas side Liquid side Electronic expansion valve Filter Filter AN Fan I CTI HD Indoor heat exchanger Refrigerant pipe connection port diameters 4D043864H mm Model Gas Liquid FXDQ20 25 32 40 50 012 7 06 4 FXDQ63 015 9 09 5 Appendix 225 Piping Diagrams SiENBE34 802 FXUQ BEVQ Indoor Unit Indoor heat exchanger Filter Field piping 29 5 C1220T 0 To outdoor piping 215 9 C1220T 0 unit Indoor unit 4D037995F Connection Unit Electronic Liquid piping expansion valve Liquid piping connection port Filter Filter connection port HC Gas piping Gas piping connection port connection port 4 4D034127B 226 Appendix iagrams D iring SiENBE34 802 iagrams D Outdoor Uni RXYSQ4 5 6PA7Y1B 2 Wiring 2 1 OSION Aiddns 16 od 1e3depe uondo XON OSION Jojoeuuo V4EX n piouejos Jedepe uondo piousjos 189H 1009 uouws 1
295. s flashing in all connected remote controls L N O P DEMAND I mo jesreisuut eoe 0000 a EAP HIP CHHSELECTRC H B C rFI 2 eel gindoor unit ansa Remote control In the case of infrared remote controls After the check operation the timer lamp is flashing in 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 Press the operation selector mode button in the remote control of the indoor unit selected as the master unit A peep sound is emitted and the timer lamp turns off in all indoor units That indoor unit will control changeover of the cooling heating operation mode Test Operation 113 Field Setting SiENBE34 802 Set Cool Heat Separately for Each Outdoor Unit System by Cool Heat Switching Remote control It does not matter whether or not there is outdoor outdoor unit wiring Set outdoor unit PC board DS1 1 to OUT factory set Set cool heat switching to IND individual for Setting mode 1 factory set _ seLect marwol ND SLAVE L N O P DEMAND im OFF C H SELECT R C A j Fi rz C H select rr r3 remote Indoor unit Indoor unit control gt Remote Remote
296. shooting Outdoor Unit Malfunction of Low Pressure Sensor RXYSQ4 6PA Malfunction is detected from pressure detected by low pressure sensor When the low pressure sensor is short circuit or open circuit W Defect of low pressure sensor Connection of high pressure sensor with wrong connection W Defect of outdoor unit PC board A Caution The low pressure sensor is NO connected to X18A blue of gt outdoor unit PC board Connect low pressure sensor A1P property and restart system Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred relationship between the 1VL and low pressure is normal see 2 when voltage is measured between X18A pins 2 and 3 of outdoor unit PC board A1P YES gt Replace outdoor unit PC board A1P Replace the low pressure sensor V2808 x1 Voltage measurement point Outside unit PC board A1P 5V T X18A Red o c Black B GND 3 aH Microcomputer White 8 A D input a o EN 2 Measure voltage here V2809 2 Refer to Pressure Sensor pressure voltage characteristics table on P253 Troubleshooting 181 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 34 Li Outdoor Unit Malfunction of PC Board Remote Control Display Applicable Models Method of Malfunction Detection Malfunction
297. sion Valve Failure Remote Control Display Applicable RXYSQ4 6PA Models Method of Short of gas malfunction is detected by discharge pipe temperature thermistor and low pressure Malfunction saturation temperature Detection Malfunction Microcomputer judge and detect if the system is short of refrigerant Decision Malfunction is not decided while the unit operation is continued Conditions Supposed W Out of gas or refrigerant system clogging incorrect piping Causes W Defect of pressure sensor Defect of outdoor unit PC board A1P Defect of thermistor R3T Troubleshooting 189 Troubleshooting by Indication on the Remote Control SiENBE34 802 Troubleshooting N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Low pressure is YES 0 25 MPa or less Cooling Out of gas closing of stop valve or refrigerant system is clogged Requires check of refrigerant system The voltage of X18A pins 2 and 3 on main outdoor uni PC board A1P is 1 0 VDC or less Low pressure sensor output voltage 2 Replace main outdoor unit PC board A1P The suction pipe1 gt Replace low pressure sensor YES temp minus low pressure Yon is 20 Out of gas or refrigerant C or higher system is clogged Requires check of refrigerant system NO Resistance is normal when
298. son is that the dry Change the system to cooling not cool air well operation serves not to reduce the room temperature where possible operation Troubleshooting 127 Troubleshooting by Remote Control SiENBE34 802 2 Troubleshooting by Remote Control 2 4 The INSPECTION TEST Button The following modes can be selected by using the Inspection Test Operation button on the remote control Depress Inspection Test Operation button for more than 4 seconds Service data can be obtained Malfunciton code history Temperature data of various sections Service settings can be made Forced fan ON Air flow direction volume setting Indoor unit settings can be made Filter sign time Air flow direction Others Local setting mode Service mode Depress Inspection Test Operation button Pr ti t ti tt foe wipes hand Seconds ess Inspection Test Operation button once Press Inspection Test Operation button once Or after 30 minutes Press Inspection Test Operation button once After 10 seconds Following codes can be checked Malfunction codes Indoor model code Outdoor model code operation Thermostat is forcibly turned mode Press Inspection Test Operation button once V0815 128 Troubleshooting SiENBE34 802 Troubleshooting b
299. sor PI Control Compressor PI Control Carries out the compressor capacity PI 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 Te to achieve target value TeS Te setting Set in Set up mode 2 L M Normal H factory setting 3 6 9 Heating operation Controls compressor capacity to adjust Tc to achieve target value TcS Te Low pressure equivalent saturation temperature C TeS Target Te value Varies depending on Te setting operating frequency etc High pressure equivalent saturation temperature C Tc setting i x I value L Normen H E on Tc setting operating setting 43 46 49 RXYSQA 5 STn INV Fullload INV Unload STn INV Fullload INV Unload STn INV Fullload INV Unload 1 36 0Hz 11 80 0Hz 21 140 0Hz 2 39 0Hz 12 86 0Hz 22 146 0Hz 3 43 0Hz 13 92 0Hz 23 152 0Hz 4 47 0Hz 14 98 0Hz 24 158 0Hz 5 52 0Hz 15 104 0Hz 25 164 0Hz 6 52 0Hz 57 0Hz 16 110 0Hz 26 170 0Hz 7 57 0Hz 64 0Hz 17 116 0Hz 27 175 0Hz 8 62 0Hz 71 0Hz 18 122 0Hz 28 180 0Hz 9 68 0Hz 78 0Hz 19 128 0Hz 29 185 0Hz 10 74 0Hz 20 134 0Hz 30 190 0Hz 31 195 0Hz Compressors may operate in a pattern other than those listed in above tables subje
300. starts 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 The reason is that the system is Normal operation appears on the power supply checking to be sure the remote This code is displayed for a period remote control control is normal of approximately one minute at maximum 16 The outdoor unit After stopping operation It stops in order to prevent oil 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 17 The outdoor gets While stopping operation Thereasonis thatthe 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 stops 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 rea
301. t Refrigerant Circuit SiENBE34 802 uonoeuuoo uuu 67 epis pjey uo uod Bolas uy 005 Jojejnunooy Qai ufi AAJEA pIOUSJOG aqn uejide 5 1085901307 aqn 5 B 5 am j Or 19 108095 1 Josuas aunssaud MO einssoJd pod 901095 OA c kem ano4 wi Oo LO TT C 2 eJnssaJd v jebueuxe a Eo 9 4 ge au Bujoooqng UOISUEdX9 yeay Juo edid jqnoq uolsuedxa C 3D052628 41 Refrigerant Circuit Refrigerant Circuit SiENBE34 802 RXYSQ4 5 6PA7V1B No in CT Symbol Name Major Function diagram Inverter compressor is operated on frequencies between 36 Hz and 195 Hz by using A M1C Inverter compressor INV the inverter 31 steps D M1F Inverter fan Since
302. t This outdoor unit is factory charged with refrigerant and depending on pipe sizes and pipe lengths some systems require additional charging of refrigerant See How to calculate the additional refrigerant to be charged on page 249 n case re charge is required refer to the nameplate of the unit The nameplate states the type of refrigerant and necessary amount Precautions when adding R 410A Be sure to charge the specified amount of refrigerant in liquid state to the liquid pipe Since this refrigerant is a mixed refrigerant adding it in gas form may cause the refrigerant composition to change preventing normal operation W Before charging check whether the refrigerant cylinder is equipped with a siphon tube or not Charge the liquid refrigerant with the cylinder in upright position Charge the liquid refrigerant with the cylinder in up side down position 1 1 4 1 Important information regarding the refrigerant used This product contains fluorinated greenhouse gases covered by the Kyoto Protocol Do not vent gases into the atmosphere Refrigerant type R 410A value 1975 0 GWP global warming potential Please fill in with indelible ink m the factory refrigerant charge of the product m 2 the additional refrigerant amount charged in the field and m the total refrigerant charge on the refrigerant charge label supplied with the product The filled out label must be adhered in the pr
303. t Current operating conditions Abnormal In preparation in check operation gt Setting of COOL HEAT selection O e eBy individual outdoor en a batch of outdoor unit group with master unit e Oln a batch of outdoor unit group with slave unit gt Low noise operating conditions en normal operation O In low noise operation L Demand operating conditions V2763 In normal operation Oln demand operation Test Operation 107 Field Setting SiENBE34 802 b Setting mode 2 No Setting item Description Push and hold the MODE BS1 button for 5 seconds and set to Setting mode 2 Cool heat unified lt Selection of setting items gt Push the SET BS2 button and set the LED display to a setting item shown in the table on the right Push the RETURN BS3 button and decide the item The present setting condition is blinked lt Selection of setting conditions Push the SET BS2 button and set to the setting condition you want Push the RETURN BS3 button and decide the condition Push the RETURN BS3 button and set to the initial status of Setting mode 2 If you become unsure of how to proceed push the MODE BS1 button and return to setting mode 1 V2764
304. t Are the electrical characteristics normal In heating If the indoor unit electronic Faulty Faulty indoor unit lt In the connector properly connected expansion valve excessively control liquid pipe thermistor Are the thermistor resistance characteristics normal throttled b lt ls the pressure value checked with the Service See 72 Faulty control PCB Checker corresponding to the measurement of the pressure sensor In cooling Sh EN ls the suction air temperature not more than 46 C High suction air ert circuit d temperature of lt ls the outdoor temperature not more than 46 C High suction outdoor unit High ambient temperature temperature ur of the High suction Short circuit lt 15 the suction air temperature not more than 27 C condenser air temperature of indoor unit High ambient temperature lt Is the indoor temperature not more than 27 C Faulty suction air thermistor of indoor unit ls the connector properly connected Are the thermistor resistance characteristics normal In heating High suction air temperature of outdoor unit lt 15 the outdoor temperature not more than 16 CWB Faulty outdoor temperature thermistor of outdoor unit lt 15 the connector properly connected Are the thermistor resistance characteristics normal __ een Dirty condenser ls the heat exchanger clogged In cooling capacity Mixing of non condensable gas Is air or else mixed in the refrigeran
305. t Insulation Both liquid and gas pipes Model BYBC63GJW1 BYBC125GJW1 BYBC125GJW1 Colour White 10Y9 0 5 Decoration Height 53 53 53 Panel Dimensions Width 1430 1920 1920 Depth mm 680 680 680 Weight kg 9 5 12 0 12 0 Drain up Height mm 600 600 600 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 PC board fuse Fan motor thermal fuse Drain pump fuse PC board fuse Fan motor thermal protector Drain pump fuse Standard Accessories Screws for fixing the paper pattern for installation Washer for hanging bracket Clamps Installation and operation manual Paper pattern for installation Insulation for fitting Drain hose Nominal cooling capacities are based on indoor temperature 27 CDB 19 CWB outdoor temperature 35 CDB equivalent refrigerant piping 8m level difference Om Notes 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 12 Specifications SiENBE34 802 Specifications Ceiling Mounted Cassette Type Round flow
306. t connector Caution or parts damage may be occurred Turn power supply off and turn power supply on again YES Return to normal expansion valve is connected to X21A and NO External factor other than malfunction for example noise etc X22A of outdoor unit PC board MP when coil check 1 of the moving NO gt After connecting turn the power off and then back on again part of the electronic expansion valve is checked YES The connecting cable is YES gt Replace the moving part of the electronic expansion valve short circuited or disconnected NO Replace the connecting cable gt Replace outdoor unit PC board A1P Troubleshooting V3067 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 Measuring points Yellow 3 4 1 6 2 6 Black 4 4 3 6 5 4 6 Gray e i V3067 171 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 24 Outdoor Unit Abnormal Discharge Pipe Temperature Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting RXYSQ4 6PA Abnormality is detected according to the temperat
307. t sensor in remote control 162 malfunction of transmission between central remote control and indoor unit 202 malfunction of transmission between centralized re mote control and indoor unit 205 malfunction of transmission between indoor and out door units in the same system 198 Drawings amp Flow Charts SiENBE34 802 malfunction of transmission between indoor units and outdoor units 194 malfunction of transmission between inverter and con trolpc board o Lene 187 malfunction of transmission between main and sub re mote controls ssssssssseeeee 197 malfunction of transmission between optional control lers for centralized control 207 malfunction of transmission between remote control and indoor unit 196 method of replacing the inverter s power transistors mod les ne aan ete eder eu 254 operation lamp blinks 211 operation mode 48 operation of the remote control s inspection test op eration button 132 outdoor unit pc board layout 86 P pc board defect 143 163 206 piping diagrams sss 222 power supply insufficient or instantaneous failure 191 pressure Sensor 253 R refrigerant circuit
308. t system Decreased Faulty fan the fan motor be rotated with hands fam s motor Are the motor coil resistance and insulation normal sate output Faulty control ats d Poara If a spare PC board is mounted is the SI tia capacity setting properly made High air Dirty filter Is the air filter clogged passage resistance A Obstacle lt 15 there any obstacle in the air passage Excessive refrigerant charging Refer to P 173 15 the indoor unit too small compared to the large sized outdoor unit Improper model selection In heating 1 In cooling it is normal if the outdoor unit electronic expansion valve EV1 is fully open 2 In heating the indoor unit electronic expansion valve is used for subcooled degree control For details refer to Electronic Expansion Valve Control on P 72 C SDK04009 Troubleshooting 217 Troubleshooting by Indication on the Unified ON OFF Controller SiENBE34 802 CHECK 2 Check for causes of drop in low pressure Referring to the Fault Tree Analysis FTA shown below probe the faulty points
309. tantaneous overcurrent also causes activation W Defect of compressor coil disconnected defective insulation B Compressor start up malfunction mechanical lock Defect of inverter PC board A2P N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Compressor inspection The compressor s coil is YES disconnected or the insulation is defective gt Replace the compressor NO Disconnect the connection between the compressor and inverter Make the power transistor check mode setting ON by service mode Inverter output voltage check Inverter output voltage is not balanced YES Normal if within 5V Must be measured when frequency is stable gt Replace the inverter unit A2P YES There is instantenious gt Correct power supply power drop B oe gt Compressor inspection Inspect according to the diagnosis procedure for odd noises vibration and operating status of the compressor V2812 Higher voltage than actual is displayed when the inverter output voltage is checked by tester 184 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 37 8 Outdoor Unit Inverter Current Abnormal Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting R
310. tat is ON Remote control A3 flashing malfunction stop ON Thermostat running OFF ON Float switch OFF ON Drain pump OFF 5 min 5 min 5 sec VL008 1 Residual operation Malfunction residual 1 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 6 1 2 When the Float Switch is Tripped while the Cooling Thermostat is Enters malfunction treatment if the float switch is not reset within 5 minutes ON Remote control A3 flashing malfunction stop Termostat running OFF ON Float switch OFF ON Drain pump OF lt lt gt 5min 5 sec 5min 5 sec VLOO9 Function 65 Outline of Control Indoor Unit SiENBE34 802 6 1 3 When the Float Switch is Tripped During Heating Operation Float switch Drain pump gt Thermostat ON Remote control A3 flashing malfunction stop running OFF ON Humidifier OFF i Heic OFF ON OFF 4 5 min 5sec 5min VLO10 During heating operation if the float switch is not reset even after the 5 minutes operation 5 seconds stop 5 minutes operation cycle ends operation continues until the switch is reset 6 1 4 When the Float Switch is Tripped and AF is Displayed on the Remote Control nm Note Enters malfunct
311. tdoor unit Test lamp H2P Blinks Can also be set during operation described above Indoor unit If ON button is pushed during operation described above the UH malfunction indicator blinks Returns to normal when automatic setting is complete 1 2 2 When Turning On Power the Second Time and Subsequent Tap the RESET BS5 button on the outdoor unit PC board Operation becomes possible for about 2 minutes If you do not push the RESET button the unit cannot be run for up to 10 minutes to automatically set master power Status Outdoor unit Test lamp H2P Blinks Can also be set during operation described above Indoor unit If ON button is pushed during operation described above the operation lamp lights but the compressor does not operate Returns to normal when automatic setting is complete 1 2 3 When an Indoor Unit or Outdoor Unit has been Added or Indoor or Outdoor Unit PC Board has been Changed Be sure to push and hold the RESET button for 5 seconds If not the addition cannot be recognized In this case the unit cannot be run for up to 12 minutes to automatically set the address indoor outdoor address etc Status Outdoor unit Test lamp H2P ON Can also be set during operation described above Indoor unit If ON button is pushed during operation described above the UH or U4 malfunction indicator blinks Returns to normal when automatic setting is complete Test Operation
312. tdoor unit external control adapter optional the power consumption of unit operation can be saved suppressing the compressor operating condition Set item Condition Content Demand Mode 1 The compressor operates at approx 60 or less of rating Mode 2 The compressor operates at approx 70 or less of rating Mode 3 The compressor operates at approx 80 or less of rating When the normal demand operation is carried out Use of the external control adapter for outdoor unit is not required 1 While in Setting mode 2 make setting of the set item No 32 Setting of constant demand to ON 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 When the Normal demand setting is set to ON OFF has been set at factory the power consumption can be set with the Demand 1 level setting 70 of The power consumption set with Demand 1 level setting rated power consumption has been set at factory V3082 116 Test Operation SiENBE34 802 Field Setting Detailed Setting Procedure of Low Noise Operation and Demand Control Setting mode 1 H1P off In setting mode 2 push the BS1 MODE button one time Setting mode 1 is entered and H1P off During the setting mode 1 is displayed In low noise operation and In demand control are displayed 2 Setting mode 2 H1
313. tdoor unit system simultaneously in accordance with unified master outdoor unit by indoor unit remote control Set cool heat for more than one outdoor unit system simultaneously in accordance with unified master outdoor unit by cool heat switching remote control Set Cool Heat Separately for Each Outdoor Unit System by Indoor Unit remote control It does not matter whether or not there is outdoor outdoor unit wiring Set outdoor unit PC board DS1 1 to IN factory set Set cool heat switching to IND individual for Setting mode 1 factory set CI Remote control lt Set the master unit indoor unit having the right to select the cooling heating operation mode gt In the case of wired remote controls After the check operation CHANGEOVER UNDER CONTROL 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 Press the operation mode selector button in the remote control of the indoor unit selected as the master unit In that remote control CHANGEOVER UNDER CONTROL disappears That remote control will control changeover of the cooling heating operation mode In other remote controls CHANGEOVER UNDER CONTROL lights For the details refer to the installation manual supplied together with the indoor unit MODE HIP HZP H3P i
314. tection control of pipe Tdi compressor and others 3 R3T Thermistor used to detect suction pipe temperature keep the suction superheated degree Suction pipe1 Ts1 constant in heating operation and others 4 R4T Thermistor Heat exchanger Used to detect liquid pipe temperature of air heat exchanger determine defrosting deicer Tb operation and others Thermistor 5 R5T Suction pipe2 Ts2 Used to the calculation of an internal temperature of compressor etc Thermistor Subcooling heat 6 R6T exchanger gas pipe Tsh Used to control of subcooling electronic expansion valve Thermistor 7 R7T Liquid pipe1 Used to detect refrigerant over charge in check operation and others 8 R8T Thermistor Used to detect refrigerant over charge in check operation and others Liquid pipe2 TI2 42 Refrigerant Circuit ircui Refrigerant C SiENBE34 802 uonoeuuoo Bey 6 epis pja uo uod Balas uy AJLA dOS Jojejnunooy ainssaud eqn 3 10559130 eld aqn Herden gs LA plousjo
315. tep increase from 36 Hz Unload to Pc Pe gt 0 4 MPa every 20 sec Outdoor unit fan STEP8 OFF STEP8 Four way valve ON OFF ON Main electronic expansion valve EV1 SH control 480 pls 55 pls Subcooling electronic expansion valve EV3 0 pls 0 pls 0 pls Hot gas bypass valve SVP OFF ON ON e 15 min Ending conditions 2 min or amp Tb gt 11 C a E ree Ts1 Te lt 5 C From the preparing operation to the defrost operation and from the defrost operation to the operation after defrost the compressor stops for 1 minute to reduce noise on changing of the four way valve Indoor unit actuator Heating oil return operation Thermostat ON unit OFF Fan Stopping unit OFF Thermostat OFF unit OFF Thermostat ON unit 416 pls Electronic expansion valve Stopping unit 256 pls Thermostat OFF unit 416 pls 56 Function SiENBE34 802 Special Control 3 4 Pump down Residual Operation When activating compressor if the liquid refrigerant remains in the heat exchanger the liquid enters into the compressor and dilutes oil therein resulting in decrease of lubricity Therefore the pump down residual operation is performed to collect the refrigerant in the heat exchanger when the compressor is down 3 4 1 Pump down Residual Operation in Cooling Operation Actuator Pump down residual operation Step 1 Pump down residual operation Step 2
316. the inverter is turned ON to charge the capacitor In addition to avoid stresses to the compressor due to oil return or else after the startup the following control is 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 3 1 4 Startup Control in Cooling Operation Thermostat ON Pressure equalization control Startup control prior to startup STEP1 STEP2 57 Hz Unload Compressor 0 Hz 57 Hz Unload 2 steps 20 sec until Pc Pe gt 0 39MPa is achieved Ta lt 20 C OFF 1 step 15 sec when Pc gt 2 16MPa Outdoor unit fan Sens Ta gt 20 C STEP4 1 step 15 sec when Pc lt 1 77MPa Four way valve 20S1 Holds OFF OFF Main electronic expansion valve EV1 0 pls 480 pls 480 pls Subcooling electronic expansion valve EV3 0 pls 0 pls 0 pls Hot gas bypass valve SVP OFF OFF OFF iti e Pc Pe lt 0 3MPa e A lapse of 130 sec Ending conditions OR e A lapse of 1 to 5 min A lapse of 10 sec OR Pc Pe 0 39MPa 3 1 2 Startup Control in Heating Operation Thermostat ON Pressure equalization control Startup control prior to startup STEP1 STEP2 57 Hz Unload Compressor 0 Hz 57 Hz Unload 2 steps 20 sec until Pc Pe gt 0 39MPa is achieved From starting Outdoor unit fan ea 8 8 3 5 OFF Four way valve Holds ON ON Main electronic exp
317. the system is of air heat exchanging type the fan is operated at 8 step rotation M2F speed by using the inverter E 1 Electronic expansion valve While in heating operation PI control is applied to keep the outlet superheated degree Main EV1 of air heat exchanger constant Electronic expansion valve PI control is applied to keep the outlet superheated degree of subcooling heat Subcool EV3 exchanger constant G Y2S Solenoid valve Hot gas SVP Used to prevent the low pressure from transient falling H Y3S SVUL valve Unload circuit Used to the unloading operation of compressor M Y1S Four way valve Used to switch the operation mode between cooling and heating N S1NPH High pressure sensor Used to detect high pressure S1NPL Low pressure sensor Used to detect low pressure i In order to prevent the increase of high pressure when a malfunction occurs this P S1PH pressure switch For INV switch is activated at high pressure of 4 0 MPa or more to stop the compressor pressor operation This valve opens at a pressure of 4 0 MPa for prevention of pressure increase thus T resulting in no damage of functional parts due to the increase of pressure in ge transportation or storage 1 R1T Thermistor Outdoor air Ta Used to detect outdoor temperature correct discharge pipe temperature and others 2 ROT Thermistor INV discharge used to detect discharge pipe temperature make the temperature pro
318. tile e Pe dosi a p ee pates 183 Drain Level above Limit enn 152 EON TERRENT 184 Drain Pump Control cect th eee ee 65 E e Fe ane ren erate dn for ah etmek ue Ali 185 Lo ree E 186 E No 187 163 List of Electrical and Functional Parts 164 Indoor Unit tae n abes uds 32 EA auctae uu hee ane eno Ru 166 Louver Control for Preventing Ceiling Dirt 67 m tanto ds 168 Low Pressure Drop Due to Refrigerant Shortage or 169 Electronic Expansion Valve Failure 189 omma de 170 Low Pressure Protection Control 61 Electrical and Functional Parts Index i SiENBE34 802 M Operation Lamp Blinks 211 MT Re Oa ru a ad aur ar 206 Operation Mode sse 48 ak SM anale vado dip 207 Operation when Power is Turned On 85 208 Option 246 Malfunction code indication by outdoor unit PC board Outdoor Unit PC Board Layout 86 138 Outdoor Unit Thermistors for Discharge Pipe 252 Malfunction of Capacity Determination Device 153 Malfunction of Discharge Pipe Thermistor R2T 175 P Malfunction of Drain Level Co
319. ting SiENBE34 802 Troubleshooting by Remote Control O ON e OFF Blink Malfunction Operation Malfunction contents Page code lamp Referred Outdoor Unit LA Malfunction of power unit LC Malfunction of transmission between inverter and control PC board 187 P1 9 High voltage of capacitor in main inverter circuit 188 System UO Low pressure drop due to refrigerant shortage or electronic expansion 189 valve failure U1 Reverse phase open phase U2 9 Power supply insufficient or instantaneous failure 191 U3 9 Check operation is not completed 193 U4 Malfunction of transmission between indoor and outdoor units 194 U5 Malfunction of transmission between remote control and indoor unit 196 U5 Failure of remote control PC board or setting during control by remote 196 control U7 Malfunction of transmission between outdoor units U8 Malfunction of transmission between main and sub remote controls 197 malfunction of sub remote control U9 Malfunction of transmission between indoor unit and outdoor unit in the 198 same system UA Excessive number of indoor units 200 UC Address duplication of central remote control 201 UE Malfunction of transmission between central remote control and indoor unit 202 UF 9 System is not set yet 204 UH 9 Malfunction of system refrigerant system address undefined 205 Central UE M
320. tion may damage equipment loose data get Caution an unexpected result or has to restart part of a procedure A Warning Warning A warning is used when there is danger of personal injury specific topic Reference A reference guides the reader to other places in this binder or in this manual where he she will find additional information on a Introduction SiENBE34 802 1 2 PREFACE Thank you for your continued patronage of Daikin products This is the new service manual for Daikin s Year 2008 VRVIII S 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 S series R 410A Heat Pump System July 2008 After Sales Service Division SiENBE34 802 Part 1 General Information 1 Model Names of Indoor Outdoor nnn neeennreereeennnn n 2 2 epa coo gt 3 21 a To LeTo Units oer T E A AEA 3 Capacity aiia pacato qi a Dui gi bd pad etos 4 General Information Model Names of Indoor Outdoor Units SiENBE34 802 1 Model Names of Indoor Outdoor Units Indoor Units
321. tment 03 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 adapter an optional accessory Mode No First Code No Second Code Remarks 01 Indoor unit thermostat ON OFF signal is provided Output linked with Start Stop of remote 12 22 0 03 control is provided 04 In case of Malfunction Display appears on the remote control output is provided 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 T1 terminal of the operation terminal block X1A in the electric component box Setting Table Setti Setti 5 5 Mode No BUR NO BS NS Operation by input of the signal A 01 ON Forced stop prohibition of using the remote control OFF Permission of using the remote control 02 OFF ON Permission of operation 12 22 1 ON OFF Stop ON Operation 03 OFF The system stops then the applicable unit indicates AO The other indoor units indicate U9 94 Test Operation SiENBE34 802 Field Setting 8 Thermostat Switching Differential value during thermostat ON OFF control can be changed Mode No First Code No Second Code No Differential value 01 1
322. to turn on by central remote control only and off by remote control only Centralized Used when you want to turn on by central remote control only and turn on off freely by remote control during set time Individual Used when you want to turn on off by both central remote control and remote control Timer operation possible by remote control Used when you want to turn on off by remote control during set time and you do not want to start operation by central remote control when time of system start is programmed 102 Test Operation SiENBE34 802 Field Setting How to Select Operation Mode Whether operation by remote control will be possible or not for turning on off controlling temperature or setting operation mode is selected and decided by the operation mode given on the right edge of the table below Example m remote na remore Temperature Operation mode Control Unified ON by Unified OFF by rudi ro End eet mode is 1 central remote central remote control control control 4 i 4 Rejection Rejection Rejection Acceptance Acceptance VLO69 Control by remote control Operation Control mode OR Unified OFF eee Temperature Operation Controlmode individual stop by control mode setting by central remote tential remote control or operation contro
323. trol SiENBE34 802 Troubleshooting N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Have the power supply voltages between L1 and L2 L2 and L3 and L1 and L3 fallen within the range of 380 to 415V 10 50 Hz and between L and N within the range of 220 to 240V 10 50 Hz NO gt Correct the power supply voltages If L2 or Phase is open replace the switch box YES Check the inverter power transistor 1 Is the power YES transistor faulty gt Replace the inverter PC board assy A2P Check for the PC board NO conditions In case of significant failure the PC board may have got faulty due to faulty compressor Consequently even if the PC board is replaced it may get faulty again To avoid that recheck the compressor for grounding and for any broken wires Furthermore even after replacing the PC board carry out inspections on the compressor Replace the fan motor NO Is the resistance above standard value When the compressor is running measure the voltage between and of electrolytic capacitor C C Is the measured voltage 220 YES gt Monitor the voltage VDC or more Instantaneous voltage drop gt Replace the inverter PC board A1P 52605 1 Inverter s Power Transistors Check Refer to information on P
324. ttings for an individual unit set the internal mode number in parentheses 2 The figure of the ceiling height is for the all round outlet For the settings for four direction part of corner closed off three direction and two direction outlets see the installation manual and technical guide supplied with the separately sold closure material kit 96 Test Operation SiENBE34 802 Field Setting Inthe Case of FXUQ71 125 First Second Ceiling height mace code code Setting 4 way Outlets 3 way Outlets 2 way Outlets 01 Standard N Lower than 2 7 m Lower than 3 0 m Lower than 3 5 m 13 23 0 02 High Ceiling Lower than 3 0 Lower than 3 5 m Lower than 3 8 m 03 Higher Ceiling S Lower than 3 5 m Lower than 3 8 m 14 Air Flow Direction Setting Set the air flow 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 set to 01 Setting Table Mode No First Code No PEE Code Setting 01 F 4 direction air flow 13 23 1 02 T 3 direction air flow 03 W 2 direction air flow 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 Mode No First Code No Second Code No Setting 01 D
325. ure detected by the discharge pipe temperature sensor When the discharge pipe temperature rises to an abnormally high level When the discharge pipe temperature rises suddenly Faulty discharge pipe temperature sensor Faulty connection of discharge pipe temperature sensor Faulty outdoor unit PC board Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred A Caution Discharge pipe temperature is 120 C or higher when the unit stop by alfunction YES gt Refrigerant shortage compression defect etc Defect of the refrigerant system NO Pull out the discharge pipe thermistor from the outdoor PC board and then make measurement of resistance using a multiple meter Are the characteristics of the discharge pipe NO thermistor normal 3 5 400KQ gt Replace the discharge pipe thermistor Replace outdoor unit PC board A1P V3068 Refer to Thermistor Resistance Temperature Characteristics table on P252 172 Troubleshooting SiENBE34 802 Troubleshooting by Indication on the Remote Control 3 25 F5 Outdoor Unit Refrigerant Overcharged Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting RXYSQ4 6PA Excessive charging of refrigerant is detected by using the heat exchanging
326. ure sensor Faulty TI sensor short Faulty sensor of subcool heat exchanger temperature Faulty Tsh sensor short Faulty sensor of discharge pressure Faulty Pc sensor short Faulty sensor of suction pressure Faulty Inverter PC board Faulty Pe sensor short Faulty IPM Abnormal Current sensor offset Abnormal IGBT Faulty Current sensor Abnormal SP PAM over voltage Inverter radiation fin temperature rising Over heating of inverter radiation fin temperature DC output over current Inverter instantaneous over current Electronic thermal Electronic thermal switch 1 Electronic thermal switch 2 Out of step Speed down after startup Lightening detection Stall prevention Limit time Stall prevention Current increasing Stall prevention Faulty start up Abnormal wave form in startup Out of step Transmission error between inverter and outdoor unit Inverter transmission error 138 Troubleshooting SiENBE34 802 Troubleshooting by Remote Control O ON Malfunction Confirmation of malfunction 1 Confirmation of malfunction 2 Confirmation of malfunction 3 Confirmation of malfunction 4 code H1P H2P H7P H1P 2 H5P H6P HP H2P H5P HTP H2P H5P HGP H7P 0 0
327. urn mode in cooling operation 9 The airflow The airflow direction is not Automatic control Normal operation direction is not corresponding to that reproduced displayed on the remote according to the Control setting The flap does not swing 10 A white mist lt Indoor unit gt Uneven temperature distribution Clean the inside of the indoor unit comes out from In cooling operation the due to heavy stain of the inside of the system ambient humidity is high the indoor unit This indoor unit is installed in a place with much oil or dust Indoor unit Hot gas refrigerant flown in the Normal operation Immediately after cooling indoor unit results to be vapor operation stopping the from the unit ambient temperature and humidity are low Indoor and outdoor units Defrosted moisture turns to be Normal operation After the completion of vapor and comes out from the defrosting operation the units system is switched to heating operation 126 Troubleshooting SiENBE34 802 Symptom based Troubleshooting Symptom Supposed Cause Countermeasure 11 The system Indoor unit These are operating sounds of Normal operation produces Immediately after turning ON the electronic expansion valve of This sound becomes low after a sounds the power supply indoor unit the indoor unit lapse of approximately one produces ringing sounds minute Indoor and outdoor units These s
328. ut 2 5kW 3 0kW 3 5kW 1 Crankcase heater INV E1HC 33W A1P X28A Fan motor Motor M1F M2F 0 07kW Over current relay 3 2A Electronic expansion Cooling 480pls Y1E A1P X21A valve Main Heating PI control Electronic expansion Cooling PI control aoe valve Subcool Heating 13E PI control 4 way valve Y1S STF 0404G A1P X25A Solenoid valve Hot gas Y2S TEV1620DQ2 A1P X26A Solenoid valve Unload circuit Y3S TEV1620DQ2 A1P X27A ACB 4UB10 eee ee SIPH OFF 4 0 0 0 15MPa ON 3 0 0 15 TP 2 related parts Pressure sensor HP S1NPH PS8051A 0 4 15MPa ATP X17A Pressure sensor LP S1NPL PS8051A 0 05 1 7 A1P X18A For outdoor air R1T 3 5 360kQ A1P X11A For discharge pipe R2T 5 0 640kQ A1P X12A 1 2Pin For suction pipe 1 R3T 3 5 360kQ A1P X12A 3 4Pin Main For heat exchanger R4T 3 5 360kQ A1P X12A 5 6Pin Thermistor PCB For suction pipe 2 R5T 3 5 360kQ A1P X12A 7 8Pin For subcooling heat exchanger R6T 3 5 360kQ A1P X13A 1 2Pin For liquid pipe 1 R7T 3 5 360kQ A1P X13A 3 4Pin For liquid pipe 2 R8T 3 5 360kQ A1P X13A 5 6Pin Others Fuse A1P F1U AC250V 6 3A Time lag fuse List of Electrical and Functional Parts 31 List of Electrical and Functional Parts SiENBE34 802 1 2 Indoor Unit Model Parts Name Symbol F
329. ut after running all connected indoor units in the fan mode for at least an hour Troubleshooting 203 Troubleshooting by Indication on the Remote Control SiENBE34 802 3 52 Un Malfunction of System Refrigerant System Address Undefined Remote Control Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting All indoor unit models RXYSQ4 6PA Improper connection of transmission wiring between outdoor unit and outdoor unit outside control adapter Defect of indoor unit PC board Defect of outdoor unit PC board A1P N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Is electricity being introduce for the first time after installationor after an indoor or outdoor unit PC board has been replaced malfunction occur even after 12 minutes elapses from the time when electricity is introduced to indoor and outdoor units Normal outdoor and outdoor outdoor unit transmission wiring normal NO gt After fixing incorrect wiring push and hold the RESET button on the master outdoor unit PC board for 5 seconds The unit will not run for up to 12 minutes After fixing incorrect wiring push and hold the RESET button on the outdoor unit PC board for 5 seconds
330. utside panels of the outdoor unit V3056 74 Test Operation SiENBE34 802 Test Operation 1 1 3 Air Tight Test and Vacuum Drying Air tight test Make sure to use nitrogen gas Pressurize the liquid and gas pipes to 4 0 MPa 40 bar do not pressurize more than 4 0 MPa 40 bar If the pressure does not drop within 24 hours the system passes the test If the pressure drops check where the nitrogen leaks from Vacuum drying Use a vacuum pump which can evacuate to 100 7 kPa 5 Torr 755 mm Hg 1 Evacuate the system from the liquid and gas pipes by using a vacuum pump for more than 2 hours and bring the system to 100 7 kPa After keeping the system under that condition for more than 1 hour check if the vacuum gauge rises or not If it rises the system may either contain moisture inside or have leaks 2 Following should be executed if there is a possibility of moisture remaining inside the pipe if piping work is carried out during the raining season or over a long period of time rainwater may enter the pipe during work After evacuating the system for 2 hours pressurize the system to 0 05 MPa vacuum break with nitrogen gas and evacuate the system again using the vacuum pump for 1 hour to 100 7 kPa vacuum drying If the system cannot be evacuated to 100 7 kPa within 2 hours repeat the operation of vacuum break and vacuum drying Then after leaving the system in vacuum for 1 hour confirm that the va
331. witch is tripped during heating op eratio aa o tet ar 66 when the float switch is tripped while the cooling thermostat is 65 when the float switch is tripped while the cooling thermostat is 65 E error of external protection device 142 excessive number of indoor units 200 F failure of combination between indoor unit pc board and fan pc board 158 failure of transmission between indoor unit pc board and fan pc board 154 fan motor m1f lock overload 146 freeze prevention 70 functional parts layout 44 H high pressure protection control 60 high voltage of capacitor in main inverter circuit 188 improper combination of optional controllers for tralized control 208 inverter compressor abnormal 184 inverter current abnormal 185 inverter protection control 63 inverter start up error 186 L louver control for preventing ceiling dirt 67 low pressure drop due to refrigerant shortage or elec tronic expansion valve failure 189 low pressure protection control
332. xcessive heat generation or fire viii SiENBE34 802 Introduction A Caution Check to see if the parts and wires are mounted and connected properly and if the connections at the soldered 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 Mohm 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 N incorrect manipula
333. y Remote Control 2 2 Self diagnosis by Wired Remote Control Explanation If operation stops due to malfunction the remote control s operation LED blinks and malfunction code is displayed Even if stop operation is carried out malfunction contents are displayed when the inspection mode is entered The malfunction code enables you to tell what kind of malfunction caused operation to stop See page 136 for malfunction code and malfunction contents Operation LED ON OFF button Display of indoor unit for which a malfunction has been detected Inspection display Malfunction code Inspection Test button Note 1 Pressing the INSPECTION TEST button will blink the check indication 2 While in check mode pressing and holding the ON OFF button for a period of five seconds or more will clear the failure history indication shown above In this case on the codes display the malfunction code will blink twice and then change to 00 Normal the Unit No will change to 0 and the operation mode will automatically switch from check mode to normal mode displaying the set temperature Troubleshooting 129 Troubleshooting by Remote Control SiENBE34 802 2 3 Self diagnosis by Infrared Remote Control In the Case of If equipment stops due to a malfunction the operation indicating LED on the
334. y electronic Faulty liquid pipe thermistor lt Check for the thermistor resistance and connection expansion valve of indoor unit control Faulty control PCB lt 15 the pressure value checked with the Service Checker DU corresponding to the measurement of the pressure sensor Faulty outdoor Faulty valve coil lt Are the coil resistance and insulation unit electronic normal expansion valve Faulty valve body In heating unit Faulty low pressure sensor Are the electrical characteristics normal expansion valve Faulty eens control Nw Faulty suction pipe thermistor Check for the thermistor resistance and throttled connection See 4 Faulty control PCB In cooling ng Low suction air Short circuit Is the suction air temperature not less than 14 C temperature of indoor unit Low ambient temperature ls the indoor temperature not less than 14 C Low suction air temperature of Faulty suction air thermistor of indoor unit lt Is the connector properly connected Are the thermistor resistance characteristics normal the evaporator Low suction air temperature of outdoor unit Is the outdoor temperature not less than 15 C lt 15 the connector properly connected Faulty outdoor temperature thermistor of outdoor unit Are the thermistor resistance characteristics normal In heating Abnormal piping length lt Does the piping length fall in the permissible range Hig
335. y restart operation Troubleshooting 125 Symptom based Troubleshooting SiENBE34 802 Symptom Supposed Cause Countermeasure 6 COOL HEAT The remote control displays This remote control has no option Use a remote control with option selection is UNDER CENTRALIZED to select cooling operation to select cooling operation disabled CONTROL The remote control displays COOL HEAT selection is made Use the COOL HEAT selection UNDER CENTRALIZED using the COOL HEAT selection remote control to select cool or CONTROL and the COOL remote control heat HEAT selection remote control is provided 7 The system This symptom occurs The system is in preparation Wait for a period of approximately conducts fan immediately after turning ON mode of operation 10 minutes operation but not the power supply cooling or heating operation 8 The airflow rate Even pressing the AIRFLOW In heating operation when the Normal operation is not RATE SET button makes no room temperature reaches the set reproduced changes in the airflow rate degree the outdoor unit will stop according to the while the indoor unit is brought to setting 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 ret

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