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VRV-IIIQ Replacement VRV SiBE34-1001B tcm135

1. 0X3 1 SATVA GIONS IOS 123130 NOWONNS TWIN JLN GION310S ONIMAMONA 1531 3uvd3ud deH SVO LOH SATIVA GION310S 39NVHO HOLINON3OIAH3S d V110 S 341132806970 HOLYINDSHLNYH 3910338 01009105 dev ve 9 1 3514 noors 3did 3018 58 1083105 diV HOLSIWHSHL 7612671 3504 Lm 5 9 LOH HOLVINOSHLNVH 3914434 01083109 SLA dev LNSHHND HOLSISSY 9 vg asnd Nts vex S 1002806 3ATVA NOISNYdX3 2INOHL23B A OSH H31V3H 3SVOXNVHO 398vH9 SATWA NOISNVdX3 910419978 3cA HOSN3S 1N3HHf12 HOLSISSY OLY HOLIMS did Lsa G L N NIVIN 3A IVA NOISNVdX3 914031378 A 41 123130 1 3SVHd HOLIOVdVO 990 290 992 dS 29 1415 TVNINH31 INLX 14405 SNIHOLIMS HOLIOVdVO LO VIX di V 1 1 16 TVNIINH3LL AX 19538 1931 87134 135 3000 VcX AlddNS H3MOd dlH1S TVNIINH3LL WIX 55 2 HOLOW HOLIMS 9 154 584 HOLO3NNOO SNIAV T3H ae HOLOV3H 915 quvos
2. HP LP gas pipe e Suction gas pipe of LL L L L Heating Heating Heating Heating Heating 1 While all indoor units are in cooling operation HP LP gas pipe is used as a suction gas pipe 2 Mode changeover e Switch HP LP gas pipe from low to high pressure All indoor units Fan stop e Changeover time is 3 5 minutes changeover time for control During the changeover stop the compressor for 30 seconds 3 Heating or simultaneous cooling and heating Each indoor unit e Starts the hot air supply operation by cold air prevention control 3 5 minutes All room heating or simultaneous cooling and heating all room cooling HP LP gas pipe Suction gas pipe
3. d9v div X1ddn s H3MOd Sd 88090 3SION 212 NOILONS NIVIW 3ATVA NOISNVdX3 9INOH 12313 JSA HOLINOW 3OIAH3S 3SHVHSIG NIVIN 3ATVA NOISNVdX3 OINOY 19373 AvA L asna nls NOLLONS NS AATWA 5 OINOH LOATA AEA HOLIMS esa isa SDYVHOSIC gnS 3ATvA NOISNVdX3 OINOH12313 32A 4 4 LY 1000 amp 8ns 3A1VA NOISNVdX3 2INOHLO313 SLA 3 15 TVNIIWH3LL W6X WeX 15 TVNINH31L O LINN LINA d YOLOATAS H 2 dlH1S d9v div WeX V 15 d9v dLV IWLX v HOOQNIQHVOS V CJ Se IN6X 3 LINN 3 LINN 2415 aa fia N 1 ZX LINN a LINN zalt3 HOOQNI N 9X 2 LINN HOOQNI S LINN HOOQNI IN H3AOO XOS8 OdWOO 13 NO 138V 1 NOLLOVO3Hd 5
4. _ j 2 OUT MULTI C HSELECT SELECT C H SELECTOR oo OUT MULTI A B CJ F1 F2 F1 F2 Q1 Q2 O 0 _ Q lt lt lt lt w w w lt lt lt w w lt lt lt lt lt lt u lt gt E E Test Operation SiBE341001 Field Setting from Outdoor Unit 2 1 3 Cool Heat Changeover Setting For RQCEP Type To use a cool heat changeover remote controller Set the dip switch on the BS unit PCB DS 1 1 according to the following before turning on the BS unit Connect the cool heat changeover remote controller to B and C of the terminal strip X2M 1 2 s OFF 051 Cool heat remote controller d Note This setting is read by a micro computer when the power is turned on Be sure to set the switch before turning on the power Be sure to close the EL COMPO BOX lid after setting To use a cool heat centralized remote controller External control adaptor for the outdoor unit is required to use a cool heat centralized remote controller Set the dip switch on the BS unit PCB DS 1 2 according to the following before turning on the BS unit 1 2 OFF DS1 Connect the connector of the
5. 956666 ASA AEA ACA ALA 6666 6066 00006 VSX csa 5 oma mus LINN HOOQNI t V LINN HOOQNI 30148 118 SMOTIOd SV MOHS S TOSWAS S NOLIVTIVLSNI OL 43434 TOU LNOO WZX W2X 3H1 OL HOS SV P dvV d LV NZX NO Y STVNINH31 OL LI LOANNOO AHOSS39OV IWNOILdO HOLOATES 1V3H 1009 3H1 ONISN N3HM 3AILO31OHd ONIHIM HOLO3NNOO 0 O 41415 111 2 NINO S8 OL 1 6 4 ex ex MX IN9X AER NSX NYX NLX dev INEX OdINOO T3 dSA AEA ACA ALA IWOILNAGI H3HIO 777 dOL LINN S8 0666 16666 6555 WLX gt AOvc 0cc AlddNS Z N 7 912 212 SiBE341001 Diagrams for Reference iring 5 60100 862669006
6. 151 2 28 Outdoor Unit Malfunction of Inverter Radiating Fin Temperature Rise 153 2 29 7 Outdoor Unit Faulty Field Setting after Replacing Main PCB or Faulty Combination of POB serores 154 2 30 Reverse Phase Open 156 92 93 SiBE341001 B 2 31 tic Outdoor Unit Power Supply Insufficient or instantaneous M Mm 157 2 32 Outdoor Unit Check Operation is not Executed 160 2 33 Malfunction of Transmission between Indoor Units and Outdoor 162 2 34 u Outdoor Unit Transmission Failure Across Outdoor Units 165 2 35 uc Indoor Unit Malfunction of Transmission between Main and Sub Remote Controllers 172 2 36 Indoor Unit Malfunction of Transmission between Indoor and Outdoor Units in the Same System 173 2 37 Improper Combination of Indoor BS and Outdoor Units Indoor Units and Remote Controller 174 2 38 iit Address Duplication of Centralized Controller 182 2 39 Malfunct
7. m m m m m m 5 m m m g m om Lem m m m m m 20 20 20 20 mo o 50 o 50 mag 50 m gt o 56 5 30 o o 22 8 2 8 8 2 Sos 28 29 mes 28 Sos 28 28 22 55 99553 95 35 8 320 986 55 gg 992542 8 838 258 3 52 23 05 99955 5 S 348 923 E 8 228 S 928 555 2 8 s 5 92 55 55 g 55 55 55 55 55 55 55 55 XS 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 19114 19114 STOP VALVE WITH SERVICE PORT 7 9 FLARE CONNECTION SOLENOID VALVE CHECK VALVE CAPILLARY TUBE ILTER HIGH PRESSURE SWITCH SOLENOID VALVE OIL SEPARATOR STRAINER CHECK VALVE CAPILLARY COMPRESSOR STRAINER CHECK VALVE PRESSURE SENSOR LOW PRESSURE Pad SOLENOID VALVE MIXING UNIT ACCUMULATOR aa o T7 STRAINER gt lt Za SOLENOID CHECK VALVE VALVE ELECTRONIC 6 EXPANSION FILTER Valve lt gt SOLENOID REFRIGERANT ELECTRONIC REGULATOR EXPANSION PTER 1 1 j 1 ELECTRONIC EXPANSION LI
8. 59 At 1 While the unit is in heating operation or simultaneous cooling and heating operation e HP LP gas pipe is used as a discharge gas pipe 2 Mode changeover e Switch HP LP gas pipe from high to low pressure All indoor units e Ventilation e Changeover time is 3 5 minutes changeover time for control During the changeover Stop the compressor for 30 seconds V7 3 Change all units to cooling operation Cool air supply operation Function SIiBE341001 B Detailed Control Functions 2 7 6 Emergency Operation Stop the compressor or the outdoor unit and bring only the operable compressor and outdoor unit into emergency operation Emergency operation by a remote controller and Emergency operation by outdoor unit are available for the operation Setting method 1 Emergency operation by remote controller 2 Emergency operation by outdoor unit PCB Automatic backup operation Manual backup operation RQCYQ PY1 RQCEQ PY1 Backup operation per outdoor unit Backup operation per outdoor unit Emergency operation by remote controller Operating method By setting a remote controller Press and hold the ON OFF button for at least 4 seconds Details of Operation Stop the faulty outdoor unit and operate only other outdoor units This emergency operation is not available for one outdoor unit system Emergency operation by outdoor u
9. n RQYQ PY1 RQEQ PY1 Abnormality is detected by the pressure value of the low pressure sensor with the main PCB Error is generated when the low pressure is dropped under compressor operation Operating pressure 0 07MPa Troubleshooting Abnormal drop of low pressure Defect of low pressure sensor Defect of outdoor unit PCB A1P Stop valve is left in closed 114 Troubleshooting Remote Controller SiBE341001_B Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage be occurred NO Is the stop valve open Open the stop valve YES 1 Mount a pressure gauge on the low pressure service port 2 Reset the operation using the remote controller and then restart the operation NO the low pressure Replace the low pressure sensor sensor normal See 1 YES Service Checker Connect the service checker to compare the low pressure value and the actual measurement value by pressure sensor Refer to 1 by using the service checker Check if the low pressure value and the actual measurement value by pressure sensor are the same NO Replace the main PCB 1 YES The low pressure sensor is normal and the pressure detected with the PCB is also normal The low pressure has really become low ele Referring to information on P 190 remove the causes
10. ZHOS 022 5 Appendix 213 214 uy Buidid uonoeuuoo Inu JOOPINO 1 9215 diq 9 Option List 3D066354 uoueJq 8 1 uoueJq 8 Lee vozdHHM uoueJq 8 xeW Lee vozdHHM uoueiq 1 9 uoueiq 15 YOUR 15 uoueiq 1 uoueig 1 Yours 8 Lee vozd HH UoueJq 8 Lee vScdHHM Lccv9cdHHM uoueag 1 LcCCVSCdHHM uoueJq 8 Lee vScdHHM p Lec vSCdHHM 8 xeiN HZZIN9ZdHHM uoueiq 8 xeW HEEIN9ZdHHM uoueJg Xe N HEEIN9ZdHHM uoueJq xeiN HZ2IN92dHHM uoueiq xeiN HZZIN9ZdHHM uoueJq 8 XeiN HEZINSCdHHM uoueiq 8 Xe N HEZINSZdHHM 8 xei HZZINSZdHHM uoueJg XeiN HZZINSCdHHM uoueJq 8 xeiN HE EIN9zdHHM Duidid 8 Xe N HEEINSCd HH uoueJq 8 xeW HEEINSedHH uoueJq 8 xeW HzZINSedHH uoueiq xei HEEINSedHHM Jepeeu IdNd3d Annqulsiq 10128195 1e9H 002 LAd89reodoou eureu uondo LAd9190350u 149599350 0080
11. 151 2 28 7 Outdoor Unit Malfunction of Inverter Radiating Fin Temperature 5 153 2 29 7 Outdoor Unit Faulty Field Setting after Replacing Main PCB or Faulty Combination of 154 2 30 Reverse Phase Open 156 2 31 tic Outdoor Unit Power Supply Insufficient ordnstantaneous aa 157 2 32 Outdoor Unit Check Operation is not Executed 160 SiBE341001 B 2 33 Malfunction of Transmission between Indoor Units and Outdoor 162 2 34 u Outdoor Unit Transmission Failure Across Outdoor Units 165 2 35 ue Indoor Unit Malfunction of Transmission between Main and Sub Remote Controllers 172 2 36 19 Indoor Unit Malfunction of Transmission between Indoor and Outdoor Units in the Same System 173 2 37 Improper Combination of Indoor BS and Outdoor Units Indoor Units and Remote Controller 174 2 38 iit Address Duplication of Centralized Controller 182 2 39 Malfunction of Transmission between Centralized
12. Normal cooling Normal heating Thermostat Stopping OFF unit unit Stopping Thermostat unit ON unit Remote controller setting Normal ON for refrigerant ON for refrigerant ON for refrigerant discharge discharge discharge ON for refrigerant recovery ON for refrigerant ON for refrigerant ON for refrigerant recovery recovery recovery e Outdoor unit heat e Outdoor unit heat exchanger Condenser OFF e Outdoor unit heat exchanger Evaporator ON Indoor unit fan Electronic expansion valve lt BS Unit gt Electric Part Name Symbol Normal cooling Normal heating Electronic expansion valve EVSC Electronic expansion valve EVHS Electronic expansion valve EVH 192 pls 192 pls 39 Function SIiBE341001 B Detailed Control Functions 2 5 2 Compressor PI Control Carries out the compressor capacity control to maintain Te at constant during cooling operation and Tc at constant during heating operation to ensure stable unit performance Cooling operation Controls compressor capacity to adjust Te to achieve target value TeS Te set value Make this setting while in Setting mode 2 Te setting L M Normal H factory setting Te Low pressure equivalent saturation temperature C TeS Target temperature of Te Varies depending on Te setting operating frequency etc On multi outdoor unit systems this control is made according to values of the first
13. Total length m Total length m of liquid piping x 0 37 of liquid piping 0 26 size at 022 2 kg m size at 019 1 kg m Total length m Total length m x1 02 of liquid piping of liquid piping size at 015 9 kg m size at 012 7 kg m Total length m Total length m of liquid piping X 0 059 of liquid piping 0 022 size at 09 5 kg m size at 06 4 kg m Correction amount by outdoor unit A lt 100 Okg RQCEQ280 5 2 RQCEQ636 11 2 RQCEQ360 5 8 RQCEQ712 13 8 RQCEQ460 91 RQCEQ744 RQCEQ500 9 4 RQCEQ816 RQCEQ540 9 7 _ RQCEQ848 As 100 0 5 kg A The ratio of total capacity index of connectable indoor units to outdoor capacity index 96 Example for refrigerant branch using REFNET joint and REFNET header for the systems and each pipe length as shown below Outdoor system RQCEQ848PY1 Total capacity of indoor unit 11696 019 1 x 30m 69 5 x 10m 09 5 x 10m m 9 5 x 20m 09 5 x 1m 019 1 x 20m 10 09 5 x 10m 2 09 5 x 10m 221 09 5 x 20m n 09 5 x 10m 6 4 x 10m S 09 5 x 1m 9 5 x 10m 09 5 x 10m 09 5 x 20m E 20 x 0 022 1 02 115 61 0 5 RQCEQ848PY1 112 8 915 gt 8 9 Round off in units of 0 1 kg 06 4 x 10m v 015 9 x 3m w 012 7 x 3m Note 1 When the equivalent pipe length between o
14. y R 410A Service RQYQ140 180PY1 0280 540 1 R 410A Heat Pump 5012 RQCEQ280 848P 1 R 410A Heat Recovery 50 2 SiBE341001 B zzvii QaR 410A Heat Pump Heat Recovery 50Hz 1 Introduction IV Ted Sateh Cautions iV DP MELI 4 viii Part 1 General Information 1 1 Model Names of Indoor Outdoor 5 2 2 External 3 MERO eee 3 Combination of Outdoor 4 4 Model 1 70 1 1 0 5 Part 2 uu ua pr DAC RC RR DER RED DR Rr rr cr ESO 7 Outdoor 7 o BUND ______ __ _ 16 Part 3 Refrigerant Circuit 18 J I CO mc as 19 1 1 RQYQ140 180PY1 RQEQ140 212 19 21 2 gic LAVO
15. X11A X32A o 2 or Le 1 X13A X12A n n n n n n X26A 25 mim 2 Only with i x S a EHEN spare Uis A E b r A M 4 e NZE E du mE TO IN D UNIT OUT D UNIT TO MULTI UNIT Qv GM Wek ers ud Jel 2 MIS e exe AZ Ux A e ded M 209 53 7 Test Operation 64 Test Operation SiBE341001_B 1 2 Check Operation 1 2 1 RQYQ RQEQ PY1 Operational Conditions Each of mentioned below is a standard Procedures operation time This may vary based on the installation circumstances etc 1 Turn to Set up Mode 1 H1P OFF H1P light is usually out If H1P is BLINK or ON press button 851 once Normal H2P OFF to go into Set up Mode 1 If 2 is lighted on check the defect codes with a remote cont
16. IN J32A TVNIINH3 L O HOLO3NNOO O 16 TVNIWH3I TT T LINN S8 OL INVHOVIG SIHL L SALON ene i MOX 0 lJ 1009 8nS 3ATVA NOISNVdX3 2INOHLO3T3 ALA 25 15 8 9 AltA HO10313S 16 TWNINHAL LINN HOOGLNO JOHLNOD dIHLS 1VNIINH3L Po OVER gaa 1 SNIHIM HOLO3NNOO vex H3MOd dlH1S TVNIWH31 S1HVd TWNOLLdO HOLO3NNOO AlddNS DNIHOLIMS Sd N33H9 HOLINOMW 3933 dl AV1 9NIHSV 13 3HOO 31lHH33 H3Illd 3SION 012 NOILONS NIVIN JSHATVA NOISNVdX3 2INOH IO3T13 SDYVHSIC NIV SATIVA NOISNVdX3 O9INOH 1O3 13 L 3snd ALA NOILONS 8nS 3A1VA NOISNVdX3 9INOHIO3T3 SEA HOLIMS did 154 SDYVHOSIC NOISNVdX3 OINOH19313 32A Qquvoa LINDYIO Appendix Diagrams for Reference iring 2 2 BS Uni BSVQ100 160 250P 211 W SiBE341001_B Diagrams for Reference iring BSV4Q100P 882669006 16 4 dtV dLV A LX 8800 allH34jJ ual1la 3SION 212 5 H3MOd SNIHOLIMS Sd NOILONS NIVW AATVA NOISNVdX3 OINOH LO3T13 ASA N33H5 HOLINON
17. Solenoid valve AN ee By Adjusting control of the refrigerant By Adjusting control of the refrigerant 4 regulator Y1S amount Amount Solenoid valve Refrigerant regulator Y2S liquid pipe Y3S By Adjusting control of the refrigerant By Adjusting control of the refrigerant gas vent pipe amount amount Solenoid valve Hot gas Solenoid valve Circuit of oil return Four way valve Heat Y6S Defrost unit OFF exchanger switch Heating unit ON By Adjusting control of the refrigerant By Adjusting control of the refrigerant amount amount Four way valve Mixing unit Solenoid valve Mixing unit inlet Thermostat unit OFF Others No instruction e Pc gt 2 94 MPa e Pc gt 2 94 MPa eTb gt 11C eTb gt 11C 12 min passed 12 min passed Indoor unit fan Four way valve Dual Defrost unit ON pressure gas pipe Y7S Heating unit OFF ON Ending condition 6 min passed 6 min passed amp ORI TsA Te gt 5 C CoR TsA Te gt 5 C e 30 sec passed e 30 sec passed 55 Function SiBE341001 B Detailed Control Functions 2 7 4 Outdoor Unit Rotation In the case of multi outdoor unit system this outdoor unit rotation is used to prevent the compressor from burning out due to unbalanced oil level between outdoor units Details of outdoor unit rotation In the case of multi outdoor unit system each outdoor unit is given an ope
18. 2 GABP Y aiii 27 Refrigerant Circuit SIBE341001 B 1 Refrigerant Circuit 1 1 RQYQ140 180PY1 RQEQ140 212PY1 No in refrigerant system Symbol Major Function diagram Inverter compressor is operated on frequencies 52Hz to 210Hz 180 class 248Hz 212 1 Inverter compressor INV class 266Hz by using the inverter The number of operating steps is 20 180 class 23 steps 212 class 27 steps Because the system is an air heat exchange type the fan is operated at 8 step rotation 3 Y1E Electronic expansion valve While in heating operation PI control is applied to keep the outlet superheated degree Main of air heat exchanger constant 5 Electronic expansion valve control is applied to keep the outlet superheated degree of subcooling heat Subcooling exchanger constant a Had T Used to charge refrigerant and discharge refrigerant from the refrigerant regulator 1 laud oe Used to collect refrigerant to the refrigerant regulator o 10 Electronic expansion valve This is used to charge refrigerant and discharge refrigerant from the refrigerant Refrigerant charge regulator eee Solenoid valve Refrigerant 8 regulator gas vent pipe Used to collect refrigerant to the refrigerant regulator Solenoid valve Hot gas Used to prevent the low pressure from transient falling Yes 4 valve Circuit of Used to adjust the amoun
19. External control adaptor for outdoor unit as rice vor OHSELECT SELECT LLI EE 2 Twssren suse s e e oP C H SELECT JE IND MASTER SLAVE 2 T n ee 2 z p lt A C F1 F2 F1 F2 Q1 02 OO Oe Seu Gw E nsec oo ure A 1 22 Fl 22 01 02 O O O OJO d S ES T T To indoor unit To indoor unit Master unit C H SELECT E 2 d m dete H Slave unit C H SELECT Tiri Qo MULTI To indoor unit Multi outdoor units connection When multiple external control adaptors are used and cool heat is selected for each external control adaptor use setting mode 2 and set DS1 and DS2 on the external control adaptors and the unified cool heat address on the outdoor unit main PCB to the same address No For details refer to the following page Test Operation 82 Field Setting from Outdoor Unit SiBE341001_B Set Cool Heat for More Than One Outdoor Unit System Simultaneously in Accordance with Unified Master Outdoor Unit by Cool Heat Selector Install the external control adaptor for outdoor unit on either the outdoor outdoor indoor outdoor transmission line Mount the COOL HEAT selector to the master outdoor unit for the unified co
20. NO The insulation resistance of compressor is not more 100kQ YES NO The insulation resistance of fan motor is not more 1MQ YES NO CHECK 4 Is the power transistor normal Remove and insert the connectors shown below 1 lt gt X20A A1P 2 X6A lt gt X28A A1P Has the inverter PCB caused damage NO YES Correct the fault Replace the compressor Replace the fan motor If the fan motor is badly damaged replace the inverter PCB A4P Replace the inverter Replace the inverter x If the inverter PCB is badly damaged compressor and fan motor are likely to get faulty 158 Troubleshooting by Remote Controller Troubleshooting 159 Turn ON the power supply and start operation standby before the fan rotates YES NO Stop standby when the compressor starts up YES NO The i YES malfunction recurs NO SiBE341001_B Replace the noise filter PCB A2P Defect of noise filter Replace the inverter PCB A3P If the inverter PCB is badly damaged recheck the compressor Check the harness Continue the operation The malfunction may temporarily result from onsite causes Causes Instantaneous power failure open phase noises or else Troubleshooting SiBE341001 B 2 32 iin Remote
21. NO Check 4 Check if the power transistor is normal NO YES IS Referring to the information on P 192 Troubleshooting by Remote Controller Cancel the melting state of refrigerant Replace the inverter compressor Replace the inverter compressor Replace the compressor inverter PCB Recheck the compressor refrigerant circuit 148 Troubleshooting Remote Controller SiBE341001_B 2 26 i Outdoor Unit Malfunction of Transmission between Inverter and Main PCB Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes 149 gt ap RQYQ PY1 RQEQ PY1 Check the communication state between inverter PCB and main PCB by micro computer When the correct communication is not conducted in certain period Malfunction of connection between the inverter PCB and outdoor main PCB Defect of outdoor main PCB transmission section Defect of inverter PCB Defect of noise filter External factor noise etc Faulty inverter compressor Faulty fan motor Troubleshooting 41001 B Troubleshooting by Remote Controller Troubleshooting Be sure to turn off power switch before connect disconnect connector Caution orparts damage may be occurred connectors of the control PCB and inverter PCB all securely connected 1 Properly connect the
22. 801099006 YOIVINNNDOV LINN SNIXIN 34nsSS3Hd AAWA YANIVYLS AHVTlIdVO HO1vuvdas HOLIAS 55 3NIVA GION3 IOS dant Hf1OJ 3ATVA MOAHO aunssaud HOSN3S 5 HdN3S JAVA AVM Hf1O3 I 3dld H39NVHOX3 1V3H HOLIMS 3unssaud 3ATVA AVM Hf1O3 5 1HOd 5 0589 3101059 __ ANIVA DNILWINDSY 3 1V3H 3ATVA NOISNVdX3 OINOHLIO3 13 INVA yal I Honzy 3A1VA GION310S Pd HST NOISNVdX3 09 9 19313 ANWA 3AWA __ dIONIIOS gt di 9 H3NIVHIS 3ATVA GION3 105 NOLLO3NNOO 9 LHOd 39IAH3S HLIN 3ATVA dOLS 206 Sv5 NOILONS L 3dld SVD 3Hnss3ud HDIH 3dld SN LON SI 3dld SIHL 4081 07 LOAOH 1444 SV9 SI LAd08L OP LOAOH N3HM ts Appendix Piping Diagrams SiBE341001_B 12 BS Unit BSVQ100 160 250P Liquid pipe Liquid pipe connection port connection port Electronic Expansion Valve
23. O D c 5 O 1 2 Measure DC voltage here 2 Refer to Pressure Sensor Pressure Voltage Characteristics table on P201 137 Troubleshooting SiBE341001 B Troubleshooting by Remote Controller 2 21 Outdoor Unit Malfunction of Inverter op Controller Display Applicable RQYQ PY1 Models RQEQ PY1 Method of m Malfunction is detected based on the current value during waveform output before starting Malfunction compressor Detection m Malfunction is detected based on the value from current sensor during synchronous operation when starting the unit Malfunction Overcurrent OCP flows during waveform output Decision m Malfunction of current sensor during synchronous operation Conditions m IPM failure Supposed m Inverter PCB Causes e failure Current sensor failure e Drive circuit failure Troubleshooting 138 Troubleshooting by Remote Controller SiBE341001_B Troubleshooting Be sure to off power switch before connect disconnect connector Caution or parts damage may be occurred Turn OFF the power supply once and then check the compressor lead wires Do the lead wires have any disconnection broken wire short circuit or ground fault YES Replace the lead wires NO Turn ON the power supply again Does the power YES It is supposed that the malfu
24. dtH VSLX VELX 9 6 9 9 9 9 Q N x x OLN dO LNOAVT 5 A 330 ALON Di Wo d YLL 19 dO VNIINH3 L ZHOS ASLP 08 NE LA ON 1 21 11 210 SiBE341001 2826 lt 006 H3AOO OdINOO 13 NO 138V NOILOVO3Hd 5 HO c N ore TWANVW NOLLWTIVLSNI OL Y43434 Z LSQ HOLLIMS HOS LAd0SZOAS8 LAd09LOASS LAdOOLOASS m LINN p 15 140 eo 0 CT 40 EN NO YEZL NZX SMOTIOH SV S NILLIS TWILINI Z ESG HOLIMS did Z Kldd SH3MOd 6105 31ON vex 9 ASA KINO SHOLONGNOOD H3ddOO ASN 9 a ss T ee ania SSAOTIO4 SV MOHS STOEWAS S 9 JVA NOILYTIYLSNI OL Y43434 dL V INLX NO Z4 t4 LINN G LNO 23 L4 LINN OL 9NIHIM HOS SV NO STVNIWH3LL OL LI LOANNOO AHOSSSO00V 401 LINN Sg 9 XW 3 A TVNOLLdO HOLO3 13S 1V3H 1009 3H L ONIS N3HM HLHV3 ONIHIAA x
25. 22200 KHRP26ASST Number of outdoor units Connection piping kit name lt A 2 units 22 36 05 3 units BHFP22P54C KHRP26A73T KHRP26M73TP I m Example REFNET joint B indoor units 71 8 E I Example for indoor units connected downstream Example REFNET joint C indoor units 3 14 15 Example REFNET header indoor units 1 2 8 4 5 6 Example REFNET header indoor units Appendix 216 Example of connection R 410A Pipe size selection Caution Refer to the diagram below and select the appropriate piping from the tables on the right lt Single Outdoor Unit System gt Indoor unit Ie Outdoor unit Piping between refrigerant branching kits Section D gt Piping between refrigerant branching kit and indoor unit Section E Piping between outdoor unit and refrigerant branching kit Section A lt Multiple Outdoor Unit System gt Outdoor unit Indoor unit Piping between refrigerant branching kits Section D Piping between refrigerant branching kit and indoor unit Section E Piping between outdoor unit connection piping kit and refrigerant branching kit Section Piping between outdoor unit connection piping kit and outdoor unit Section
26. 23 2 1 RQYQ140 180PY1 RQEQ140 212PY1 23 Refrigerant Flow for Each Operation 24 ST 24 32 ROCEQ280 Y uuu u uuu 27 Part 4 Function UU U 34 1 Function General LULU UL TTE 35 1 1 Operation u u u 35 Oy 36 2 Detailed Control 37 21 E 37 22 Su 37 23 Rotation TRES 37 MM 38 2 5 Normal 39 26 uuu u uuu ____ __ INED 47 27 Opecial COMMON 52 Part 5 Test Operation 61 1 OSE ODS __ _ 62 1 1 Procedure and Outline 62 i Table of Contents SiBE341001 B 1 2 a uuu tret L 65 1 3 Checking Normal Operation 68 2 Field Setting from Outdoor 69 2 1 Field Setting from
27. Make measurement of resistance between the connector pins and then make sure the resistance falls the range of 40 to 500 Orange 1 Red 2 Yellow 1 6 2 6 uim s O COM 4 Gray 6 Troubleshooting 122 Troubleshooting Remote Controller 2 13 2 Outdoor Unit Abnormal Discharge Pipe Temperature T Remote Controller Display Applicable RQYQ PY1 Models RQEQ PY1 Method of Abnormallity is detected according to the temperature detected by the discharge pipe Malfunction temperature sensor Detection Malfunction When the discharge pipe temperature rises to an abnormally high level 135 C and above Decision When the discharge pipe temperature rises suddenly 120 C and above for 10 successive Conditions minutes Supposed m Faulty discharge pipe temperature Causes m Faulty connection of discharge pipe thermistor m Faulty outdoor unit PCB A1P 123 Troubleshooting SiBE341001_B SiBE341001 Troubleshooting Troubleshooting Troubleshooting by Remote Controller Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Connect the service checker Press reset and start operation again Check if discharge pipe thermistor property is normal 1 NO YES Service Checker Connect the service checker to compare the temperature of discharge pipe by using service checker with actual meas
28. Use setting mode 1 and set all outdoor units to SLAVE Set the outdoor unit external control adaptor 551 to BOTH factory set or C H and set SS2 to ON Use setting mode 2 and set DS1 and DS2 on the outdoor unit external control adaptors and the unified heat cool address on the outdoor unit main PCB to the same address The factory set addresses are all 0 Pe w w w w w w w w w w w w w w lt w a w wee ue w lt 0 External control adaptor for outdoor unit 5 5 um p e C HSELECT JE zl E E meom mom C H SELECTOR oo OUT MULTI B 1 2 1 22 01 02 indoor unit No 1 Central External control adaptor for outdoor C H CENTRAL TERMINAL NO ADDRESS No 2 Central External control adaptor for outdoor unit m S S aeos l So w w Q W W w w v w w w 5 C H SELECT 51 dole MASTER SLAVE e Q 2 S
29. dv dg S g HOLO3NNOO VIX SEA AV T3H OLL3NOVIN d l 287 quvoa GALNIdd VVX VEX 584 AV T3H 867 08708 G31NIHd OlH nid SINGOW H3MOd SZA AV 3H OIL3NOVIN ANI 1 vex 668 05 INdNI S39IA3G A134VS dOLA AV T3H OIL3NSVNW YZ 4311143 SION quvoa LINDHIO GSLNIHd dev d9V HOSN3S LNSYYND VEL S9A OLSNOVN G31NIHd 1 95 995 24 14 1 Ova TJ Auoss35ov 0193135 j 20 LO 4 dau 96 THA dev wid en HIT S ALON HIM 1HM S ALON 272 id dev S ALON VOZX GD INZM I N WLOX 022 690 VIXI 9 VOLX O 23 ta IJ OL LINN Q NI OL w p HI IM 148804102 80702 NOLLNNINIBOSIO SI x P 4 4 4 4 m V 0PXIS S VLOPX 1N3NOdINOO H04 40109 HOLOANNOO SI 18H ISH IH eH VcOVX UEM OdWOO 13 04908 80100 HOLIINNOI SI e o D noors 564 68 SEA YLEX dyH 588 i rl o P j 73 dZH d9H
30. i gt All indoor unit models In case of controlling with 2 remote controller check the system using micro computer if signal transmission between indoor unit and remote controller main and sub is normal Normal transmission does not continue for specified period Malfunction of transmission between main and sub remote controller m Connection between sub remote controllers m Defect of remote controller PCB Be sure to turn off power switch before connect or disconnect connector Caution orparts damage may be occurred SS1 of remote controller PCBs is set to MAIN Using 2 remote NO controllers control Set 551 to the power supply off once and then back on SS1 of both remote controllers is set to Turn the power off and then back on If a malfunction occurs replace the remote controller PCB Set one remote controller to MAIN the power supply off once and then back on 172 Troubleshooting Remote Controller SiBE341001_B 2 36 15 Indoor Unit Malfunction of Transmission between Indoor and Outdoor Units in the Same System Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting 173 e All indoor unit models RQYQ PY1 RQEQ PY1 Detect malfunction signal for the other indoor units wit
31. lapse of several electrical noises coming from system will automatically restart minutes equipment other than air operation conditioners COOL HEAT The remote controller displays This remote controller has no Use a remote controller with selection is UNDER CENTRALIZED option to select cooling operation option to select cooling operation disabled CONTROL The remote controller displays COOL HEAT selection is made Use the COOL HEAT selection UNDER CENTRALIZED using the COOL HEAT selection remote controller to select cool or CONTROL and the COOL remote controller heat Pressing the TEMP ADJUST button immediately resets the system HEAT selection remote controller is provided woes ge 94 Symptom based Troubleshooting SiBE341001_B Symptom Suppose Cause 7 The system conducts fan operation but not cooling or heating operation This symptom occurs immediately after turning ON the power supply UNDER CENTRALIZED CONTROL is displayed on the remote controller and the cooling heating operation stops The operation switches to the air supply operation The airflow rate is not reproduced according to the setting Even pressing the AIRFLOW RATE SET button makes no changes in the airflow rate The airflow direction is not corresponding to that displayed on the remote controller The flap does not swing Indoor unit In cooling operation the ambient
32. lt 120m Example 6 a b lt 120m lt 120m Example lt 120m Between outdoor unit 2 P 8 p 6 P P End SR Equivalent Equivalent pipe length between outdoor unit 2 and indoor unit lt 150m Note 1 length Assume equivalent pipe length of REFNET joint to be 0 5m that of REFNET header to be 1m that of BSVQ100 160 to be 4m that of BSVQ250 to be 6m for calculation purposes In case of BSV4Q100PV1 and BSV6Q100PV1 combined type BS unit calculate at 4m per 1 unit Total extension length Total piping length from outdoor unit 2 to all indoor unit lt 300m Between first outdoor unit multi Actual and Actual pipe length from first outdoor unit multi connection piping kit to outdoor unit lt 10m connection piping kit and outdoor unit Equivalent Equivalent pipe length from first outdoor unit multi connection piping kit to outdoor unit 13m in case of multi system pipe length Allowable Difference in height between outdoor unit and indoor unit H1 height Difference in height between adjacent indoor units H2 lt 15m difference Difference in height between adjacent outdoor units H3 lt 5m Actual pipe Actual pipe length from first refrigerant branch kit either REFNET joint or REFNET header to indoor unit lt 40m Allowable length after the brane ritiene TOR Example 6 0 7 40 8 lt 40 81 0 lt 40 Outdoor unit multi connection piping kit How to
33. 4 Outdoor Status 1 Unit No Select the Unit No you want to check gt FAN Tap 1 3 COMP Compressor power supply frequency Hz 4 EV1 Degree that electronic expansion valve is open pls 5 SV1 Solenoid valve ON OFF 3 Indoor Status Display 1 2 Sig VAV 6 Th1 Outdoor air thermistor 7 Th2 Heat exchanger thermistor 8 Th3 Discharge pipe thermistor 5 Forced Defrost 1 Forced defrost ON Enables the forced defrost operation SkyAir only 2 Forced defrost OFF Disables the forced defrost operation Troubleshooting 100 Troubleshooting Remote Controller SiBE341001_B 6 Error Display 1 Warning display ON Displays a warning on the screen if an error Selection occurs 2 Warning display OFF No warning is displayed 3 Error display ON Displays the error on the screen 4 Error display OFF Displays neither errors nor warnings 7 Unit No Transfer 1 1 Unit No Unit No A unit No can be transferred to another 2 eurem ni No Unit No 8 Sensor Address O Unit No 0 15 Select the Unit No you want to check Display Remote controller thermistor C Suction air thermistor C Heat exchanger liquid pipe thermistor C Heat exchanger gas thermistor C Indoor unit address No Outdoor unit address No BS unit address No Zone control address No Cooling Heating batch address No Demand low noise address No O Data The corresponding data will be displayed based on t
34. Ending conditions 4 gt 7 5 Step 20 sec A lapse of 90 sec Pc Pe gt 0 39MPa M1C Electronic expansion valve 0 pls Y1E Main Inverter fan SEPA M1F ON OFF Four way valve Step 8 3 Startup Control in Heating Operation Outdoor unit heat exchanger Condenser Ending conditions 4 gt 7 5 Step 20 sec OR A lapse of 90 sec Pc Pe gt 0 39MPa 1375 pls Electronic expansion valve 1 Step 15 Sec when Pc gt 2 16 MPa Y1E Main 1 Step 15 sec when Pc lt 1 77 MPa Step 4 Inverter fan P M1F 1 Opls Four way valve 5 Function 38 Detailed Control Functions 5 41001 2 5 Normal Operation 2 5 1 List of Functions in Normal Operation lt Outdoor Unit gt Electric Normal Simultaneous Symbol Normal Cooling Normal Heating Cooling Heating PI control High pressure protection Low pressure protection Td protection PI control High pressure protection Low pressure Compressor protection Td protection PI control High pressure M1 protection Low pressure protection Td protection INV protection 1 1 Y Outdoor unit fan Cooling fan control Electronic expansion valve Main e Outdoor unit heat exchanger Condenser Cooling fan control Outdoor unit heat exchanger Evaporator Fan step 7 or 8 Outdoor unit
35. First close all of the indoor unit electronic expansion and BS unit electronic expansion valves Y2E Y3E YAE and Y5E under the heating operation condition Next open the electronic expansion valve YSE and perform an equalizing operation Subsequently the electronic expansion valve Y5E opens and the indoor unit electronic expansion valve adjusts the opening extent to become a cooling circuit The changeover time is about 6 minutes However this can be shortened from 6 minutes to 4 minutes depending on the onsite setting 1 Heating operation 2 Pressure equalizing 3 Cooling operation Function Indoor Unit BS Unit Liquid pipe HP LP gas pipe Close Y5E Close Suction gas pipe Pressure equalizing L Indoor Unit r Liquid pipe HP LP gas pipe Suction gas pipe 58 Detailed Control Functions SiBE341001_B All room cooling all room heating or simultaneous cooling and heating HP LP gas pipe AIL ILL AIL Cooling Cooling Cooling Cooling Cooling HP LP gas pipe Suction gas pipe
36. Push the RETURN BS3 button to display different data of set items Push the RETURN BS3 button and switches to the initial status of Monitor mode Push the BS1 button and returns to Setting mode 1 Test Operation Field Setting from Outdoor Unit Setting item EE Data display 016 ee eo ____ Lower 6 digits 1 6 Number of connected BS units 2 of connected zone units oar to 0 8 Number of 8 00 of outdoor units 3 Lower 4 digits 5 Number of BS mis BERE Lower 4 digits De 11 Number of zone units of zone units eoe oeo Lower 6 digits upper lower Contents of malfunction the Malfunction latest code table 15 Contents of malfunction Refer to 1 cycle before P 106 109 16 Contents of malfunction 2 cycle before ET Contents of retry the latest eoeojlee H Cth ey contents otrety oet O e O Number of multi connection a 2 5 5 Loner 6 digis The numbers in the No column represent the number of times to press the SET BS2 button 51 Number of connected indoor units Used to make setting of the number of indoor units connected to an outdoor unit 2 Number of connected BS units Used to m
37. at the bottom of the screen _ 4 Set temperature Warning Press Menu Button 2 Taking corrective action Press the Menu Enter button to check the malfunction code Take the corrective action specific to the model Error 1 Malfunction Contact address code 0123 456 789 Indoor Unit FXMQAOPVE Applicable Outdoor Unit RWEYOQTOPY Return 103 Troubleshooting SiBE341001 B Troubleshooting by Remote Controller OFF oO Blink Malfunction Operation Malfunction contents Page code lamp Referred Outdoor Unit Et o E 0 Actuation of high pressure switch S1PH or pressure switch S2P E3 Actuation of high pressure switch S1PH or pressure switch S2P 112 E4 Actuation of low pressure sensor 114 E5 Inverter compressor motor lock 116 E7 Malfunction of outdoor unit fan motor E9 Malfunction of moving part of electronic expansion valve Y1E 121 F3 nog Abnormal discharge pipe temperature 123 F4 Humidity alarm 125 F9 O Malfunction of BS unit electronic expansion valve H7 Abnormal outdoor fan motor signal H J J J J J J J J J L L L L L L L P P P U U U U U U U U U U U U Malfunction of thermistor R1T for outdoor air 131 132 Malfunction of temperature sensor for heat exchanger gas R2T or 11 132 Malfunction of discharge pipe thermistor R3
38. f the system stops and a indoor remote controller indicates any defect repair the defect part according to Remote controller displays malfunction code Test operate again after the repair To test operate again press the RETURN button BS3 to turn the LED back to normal indications as procedure 1 If the TEST button BS4 is not pressed within 3 min after the indication to open the valve it goes back to procedure 3 1 and stops the system again In this case either refrigerant tank became empty or the valve of the refrigerant tank is not open e f the refrigerant tank is empty replace the tank then press the TEST button BS4 for longer than 5 sec to re start the system f the valve of the refrigerant tank is not open press the TEST button BS4 for longer than 5 sec to re start the system Then open the valve of the refrigerant tank by following the procedure 3 2 f the system stops and a indoor remote controller indicates any defect repair the defect part according to Remote controller displays malfunction code Test operate again after the repair To check operate again press the RETURN button BS3 to turn the LED back to normal indications as procedure 1 AN WARNING AN ELECTRIC SHOCK WARNING e Do not move away from the outdoor unit if outside panel is not closed during a test operation In case you need to move away from the outdoor unit follow either on
39. uolsuedx3 2 3 qn a 5 Bu 3 Sm 5 Se 05 3 2104093 L 143 uoisuedx3 oiuo29 3 STA3 uoisuedx3 51049913 I HA3 eMBA uoIsuedx3 a x SHA3 ona 8 uoisuedx 21919 2 21002919 eqni uejide gg 35 CE c5 jw4 0542 AAA 1294 dd aq 2100299 m _____ 1 nt A3 NEA ES EE uoisuedx3 51049913 es 8 s u0lsuedx3 eo s 19114 HAA 58 uoisuedx3 AS SHAI 19114 uoisuedx3 eqn 2 ES 5 x e OSA3 ONEA yay add amog UoisUedx 21004299 209 Appendix Diagrams for Reference W SiBE341001_B iring for Reference iagrams D Outdoor Uni RQYQ140 180PY1 iring 2 2 1 RQEQ140 180 212PY1 201099006 SHO 9339 AHO AOTI3A MIA Nd SLIHM LHM 3118 MOV1d SHOTOO 8 Lv3H 1009 HOLIMS 30193735 525 HOLIMS 3 425 AV 13H OLL3NOVIN 15 1 L NOd ONILWHAdO Z HOLIMS 1 1 5 SIS HOLIMS STA H3A
40. 3 6x1 3 6x1 0 35x1 0 35x1 0 35x1 0 35x1 0 35x1 0 35x1 0 35x1 0 35x1 Pipes High pressure switch fan driver overload protector High pressure switch fan driver overload protector overcurrent relay inverter overload protector overcurrent relay inverter overload protector Refrigerant Standard Aecessones Installation manual Operation manual Connection pipes Installation manual Operation manual Connection pipes Clamps Clamps Drawing No TC Notes 1 Indoor temp 27 CDB 19 0 CWB outdoor temp 35 CDB Equivalent piping length 7 5m level difference Om 860 2 Indoor temp 20 CDB outdoor temp 7 6 CWB Equivalent piping length 7 5m level difference oe cae baad et Om 15 Specifications 41001 B Specifications 1 2 BS Units Power Supply 1 Phase 50Hz 220 240V 1 Phase 50Hz 220 240V 1 Phase 50Hz 220 240V Galvanized steel plate Galvanized steel plate Galvanized steel plate Dimensions HxWxD mm 207 388 326 207 388 326 207 388 326 Foamed polyurethane Frame resisting Foamed polyurethane Frame resisting Foamed polyurethane Frame resisting Sound absorbing thermal insulation material needle felt needle felt needle feit Indoor Liquid 9 5mm 1220 brazing connection 1 9 5mm C1 UT brazing connection 9 5mm TESTE Sra connection 15 12207 brazing connection lt Ed cios v 12 7mm C1220T RES CE
41. 51 41001 Introduction 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 gases when
42. CDB Equivalent piping length 7 5m level difference Om 860 2 Indoor temp 20 CDB outdoor temp 7 6 CWB Equivalent piping length 7 5m level difference oe cae baad et Om 13 Specifications 41001 B Specifications 1 Cooling Capacity x2 Heating Capacity 16 89x1 15 75x1 15 75x1 13 34x1 16 89x1 16 89x1 15 75x1 13 34x1 m 3 6x1 3 3x1 3 3x1 2 8x1 3 6x1 3 6x1 3 3x1 2 8x1 0 35 1 0 35 1 0 35 1 0 35 1 0 35x1 0 35x1 0 35x1 0 35x1 Pipes High pressure switch fan driver overload protector High pressure switch fan driver overload protector overcurrent relay inverter overload protector overcurrent relay inverter overload protector Refrigerant Standard Aecessones Installation manual Operation manual Connection pipes Installation manual Operation manual Connection pipes Clamps Clamps Drawing No EMEN j Notes 1 Indoor temp 27 CDB 19 0 CWB outdoor temp 35 CDB Equivalent piping length 7 5m level difference Om 860 2 Indoor temp 20 CDB outdoor temp 7 6 CWB Equivalent piping length 7 5m level difference oe cae baad et Om Specifications 14 Specifications SiBE341001_B 1 Cooling Capacity x2 Heating Capacity 16 89x1 16 89x1 16 89x1 15 75x1 16 89x1 16 89x1 16 89x1 16 89x1 m 3 6x1 3 6x1 3 6x1 3 3x1 3 6x1 3 6x1
43. Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting by Remote Controller Outdoor Unit Check Operation is not Executed i m N gt RQYQ PY1 RQEQ PY1 Check operation is executed or not Malfunction is decided when the unit starts operation without check operation m Check operation is not executed 160 Troubleshooting by Remote Controller SiBE341001_B Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution orparts damage may be occurred Malfunction varies depending on the malfunction detail code Check the detail code before proceeding to the following step Confirmation malfunction 3 Confirmation malfunction 4 o O e e e ee e000 gt Making a test run No test run has been made Confirmation malfunction 3 Confirmation malfunction 4 920000000 2 9 gt Check the refrigerant piping and test Confirmation malfunction 3 Confirmation malfunction 4 9 oeeeepoo _ 2 Making a test run To suspend Confirmation malfunction 3 Confirmation malfunction 4 90090909 Making test run To suspend Confirmation malfunction 3 Confirmation malfunction 4 9 Check the internal and external transmission and make a tes
44. Double pipe heat exchanger Filter Capillary tube Electronic Gas pipe Expansion Valve connection port Filter Electronic Expansion Valve HP LP gas pipe connection port Filter E e TONIC Suction gas pipe Expansion Valve gas EVLS connection port Filter Electronic Expansion Valve EVL 4D057985B 207 Appendix SiBE341001 Piping Diagrams BSV4Q100P lt st is 13 NBA e uoisuedx3 514045913 S143 uoisuedx3 914049913 3 uoisuedx3 511045913 SHA3 uoisuedx3 511045913 S eqni uejde E EE ee siepe E eI OSA3 yeay edid aano 8 5 uoisuedx3 suona 143 uoisuedx3 51409913 S13 uoisuedx3 511045913 E HAZ 9NEA 19114 U0ISUP X3 oiuoJ9 3 SHA3 uoisuedx3 514049913 gt 20 Pn x alll OSA 1890 9110 90100 85 Uoiguedx3 auoe a 1 J 5 2s uoisuedx3 214009 S13 NA uoisuedx3 514045913 lll HA3 184 uoisuedx3 511045913 uoisuedx3 oiuoi2e 3 20 2 impe ES Jay OSAI Jal add agno 88 uoisuedx3 511045913 gt ____ 1 E C en gs uolsuedx3 91109913 x UoISUedX3 91
45. External control adaptor for the outdoor unit to the connector X2A on the BS unit PCB Refer to the installation manual and the installation guide for details of the installation Connect the terminals 1 F2 of the external control adaptor for the outdoor unit to the terminals F1 F2 indoor side on the BS unit PCB Refer to the figure below X2A F2 External control BS unit PCB adaptor for the P outdoor unit 2 1 F2 Terminal address Indoor Outdoor Cool heat centralized remote controller Set the external control adaptor for the outdoor unit according to the following Set SS1 of the external control adaptor for the outdoor unit to BOTH or C H Set SS2 of the external control adaptor for the outdoor unit to ON A unit No of the cool heat centralized remote controller can be set by setting the terminal address of the external control adaptor for the outdoor unit to 0 7 Higher 2 bits Lower 3 bits Fig 1 Setting lower bits of the cool heat address by 051 and 2 DS2 Set the same No 0 7 as the outdoor unit and BS unit a OFF controlled by the cool heat centralized remote controller Cool Central Terminal No add XX 2 Set by other items heat No address Demand address ues gt A Test Operation 86 Field Setting from Outdoor Unit SiBE341001_B 2 1 4 Setting of Low Noise Operatio
46. For liquid pipe R2T For gas pipe R3T Outdoor unit for fin thermistor R1T Outdoor unit For outdoor air R1T For coil R2T For suction pipe R4T For Receiver gas pipe R5T For Receiver outlet liquid pipe R6T 199 Troubleshooting SiBE341001 B Troubleshooting by Remote Controller Outdoor Unit Thermistors for Discharge Pipe R3T R31 33T Troubleshooting 200 SiBE341001 B Troubleshooting by Remote Controller Pressure Sensor CHECK 12 VH Output Voltage High Side Vpc Output Voltage Low Side 1 38 0 69 PL 0 57 1 0 28 High pressure Low pressure MPa PH Detected Pressure gt ure PL Low Press 3 5 2 5 1 5 Output Voltage VH VL 0 5 0 5 05 5 1 V3053 Troubleshooting 201 SiBE341001 Troubleshooting Remote Controller Broken Wire Check of the Connecting Wires Troubleshooting 1 Procedure for checking outdoor outdoor unit transmission wiring for broken wires On the system shown below turn OFF the power supply to all equipment short circuit between the outdoor outdoor unit terminal parts F1 and F2 in the Outdoor Unit A that is farthest from the centralized remote controller and then conduct continuity checks between the transmission wiring terminal blocks F1 and F2 of the centralized remote controller using a multiple meter If there is continuity between the said terminal block
47. NOILYTIYLSNI OL 4343H 2 ESQ HO LIMS dla DNISN HOS 440 csa 5 vo Pa vecl SMOTIOJ SV SONLLL3S c ESQ HOLLIMS 2 LINN HOOQNI t SX 8 LINN zin HOOQNI AINO SHOLONGNODS H3ddOO 3SfY9 LINN HOOQNI LINN 24 geo oly LINN 58 HO 1 ASA AEA ACA ALA ASA AEA ACA ALA ASA AEA ACA ASA FEA ACA jun OL ASA FEA ACA ALA 3778 56 SV MOHS S108WAS S TWANVW NOLLWTIVLSNI OL CIOHLNOO WeX WZX OL HOJ SV P d9v dLV WeX NO 8 Y SIVNINYAL OL LI LOANNOO AHOSS39OOV 1VNOILdO HOLO313S 1V3H 1009 DNISN N3HA 76 H1HV3 3ALLO31OHd ONIHIM 0 O 41615 AINO LINN S8 OL S3l1ddV SIH L L S3 ON mE lo jw 13 ASA AVA FEA ACA ALA H3H1O LINN 58
48. Refer to Low pressure protection control for hot gas bypass control Refer to Subcooling electronic expansion valve control Judgement criteria of superheat operation Superheating temperature control in cooling mode is conducted by indoor unit electronic expansion valve Superheating temperature control in heating mode is conducted by outdoor unit electronic expansion valve 1 Suction gas superheating temperature 10 degrees and over 2 Discharge gas superheating temperature 45 degrees and over except for immediately after starting and drooping control etc Use the above stated values as a guide Depending on the other conditions the unit may be normal despite the values within the above scope Troubleshooting SiBE341001 B 6 8 Power Transistor Check Perform the following procedures prior to check 1 Power Off Troubleshooting by Remote Controller 2 Remove all the wiring connected to the PCB where power transistors are mounted on Preparation Tester Point of Measurement and Judgement Criteria Preparing a tester in the analog system is recommended A tester in the digital system with diode check function will be usable Measure the resistance value using a tester at each point of measurement below 10 minutes later after power OFF To use analog tester Measurement in the resistance value mode in the range of multiplying 1kQ Point of Measurement Judgement C
49. The reason is that the compressor is warmed up to provide smooth startup of the system of refrigerant is fed to indoor units in the stopped state when other indoor units are in operation The reason is that the dry operation serves not to reduce the room temperature where possible Normal operation The inside of the indoor unit should be cleaned In operation The reason is that fan revolutions Normal operation are controlled to put the operation to the optimum state Normal operation This code is displayed for a period of approximately one minute at maximum Normal operation It stops after a lapse of approximately 5 to 10 minutes Normal operation Change the system to cooling operation 96 Troubleshooting by Remote Controller SiBE341001_B 2 Troubleshooting by Remote Controller The INSPECTION TEST Button The following modes be selected by using the Inspection Test Operation button on the 2 1 97 Field setting Test operation ON OFF remote control On power up the message Connection under check Please wait for a moment will be displayed on the remote controller screen Then that message will disappear and the basic screen will be displayed To access a mode from the basic screen refer to the figure below When any of the operation buttons is pressed the backlight will come on and remains lit for about 30 seconds Be sure to press a button while the backlig
50. YES indoor unit PCB or outdoor unit PCB has been YES replaced Or check if indoor outdoor Press the RESET button on the outdoor outdoor connecting main PCB of the master outdoor 2 unit Keep pressing for 5 seconds or more Operation does not start NO for a maximum 12 minutes 1 Check if all the indoor NO the indoor outdoor YE remote controllers within the outdoor outdoor connecting i Replace the indoor unit PCB same ronger pi circuit wires are normal p YES NO Correct the connecting wires Reset the power supply Check if the Check if normal condition NO the voltage between NO monitor for the micro computer R S terminals on the outdoor Correct the voltage 400V HAP on the outdoor unit unit PCB is 400V PCB blinks YES YES Check if The the LED in preparation NO fuse on the YES mode H2P on the outdoor outdoor unit PCB is Replace the fuse unit PCB blink blown NO Replace the outdoor unit PCB Lights do not go out for 12 minutes or Press the RESET button on the main PCB of the outdoor unit main PCB Keep pressing for 5 seconds or more the indoor outdoor NO outdoor outdoor connecting Correct the connecting wires wires are normal YES operation is normal with 1 NO circuit after outdoor outdoor connecting Replace the outdoor unit main wires are disconnected PCB YES Install DIII Net extension adaptor 163 Troubleshooting SiBE341001 Troubleshooting Troubleshooting Troubleshooting by
51. and reset the power Replace the outdoor unit PCB Troubleshooting SiBE341001 B Troubleshooting by Remote Controller 2 38 iu Address Duplication of Centralized Controller Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting or All indoor unit models Centralized controller The principal indoor unit detects the same address as that of its own on any other indoor unit The malfunction decision is made as soon as the abnormality aforementioned is detected m Address duplication of centralized controller m Defect of outdoor unit PCB Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred The centralized address is setting change so that duplicated I the centralized address will not be duplicated 182 Troubleshooting by Remote Controller SiBE341001_B 2 39 Lic Malfunction of Transmission between Centralized Controller and Indoor Unit Remote Lu Controller Display Applicable All indoor unit models intelligent Touch Controller Models Centralized controller Schedule timer Method of Micro computer checks if transmission between indoor unit and centralized controller is normal Malfunction Detection Malfunction When transmission is not carried out normally for a certain amount of time Decision C
52. connection port Gas pipe connection port Liquid pipe connection port Gas pipe connection port Liquid pipe connection port IrCUul connection port Gas pipe Liquid pipe connection port Refrigerant C Functional Parts Layout 2 Functional Parts Layout 2 1 Plan Electronic expansion valve Refrigerant charge Y2E Electronic expansion valve Subcooling Y3E Electronic expansion valve Main Y1E Front View Thermistor Subcooling heat exchanger gas pipe R7T Thermistor Liquid pipe R9T Thermistor Heat exchanger liquid pipe R3T Thermistor Heat exchanger gas pipe R4T Pressure switch S2P Thermistor Subcooling heat exchanger liquid pipe R8T Service port Liquid pipe Service port Gas pipe Service port Suction gas pipe Thermistor Heat exchanger deicer R6T Four way valve Dual pressure gas pipe TS Four way valve Heat exchanger 65 Low pressure sensor S1NPL 23 gn 5 ror NG 55 SiBE341001 RQYQ140 180PY1 RQEQ140 212PY1 Solenoid Refrigerant regulator liquid pipe Y2S Solenoid valve Refrigerant regulator hot gas 15 Solenoid valve Refrigerant regulator gas vent pipe Y3S Thermistor Discharge pipe R2T F
53. gt 5 sec passed Ending condition Function 54 Detailed Control Functions 5 41001 RQCEQ280 848 1 Reverse cycle defrosting heating oil return and defrosting are available depending on the combination of the starting condition for units of this series Normal heating operation Condition Condition to start heating oil to start defrosting return has been Partial defrosting operation has been met met within 30 minutes Condition to start heating oil Reverse cycle defrosting return has been heating oil return NO Defrost operation start conditions Heating oil return operation start conditions A lapse of every 2 hours during low load operation 2 hours after initial power ON A lapse of every 1 hours during high load operation e A lapse of every 1 2 hours during low load operation A lapse of every 8 hours during high load operation Part Name Symbol Partial defrosting operation Reverse cycle defrosting heating oil return 124Hz 232 Hz 188 Hz Defrost unit OFF Electronic expansion Defrost unit 480 pls valve Main Heating unit 4 pls Low pressure control 480 pls Electronic expansion SH control SH control valve Refrigerant Y2 charge By Adjusting control of the refrigerant By Adjusting control of the refrigerant amount amount Compressor Outdoor unit fan Electronic expansion valve Subcooling
54. mo lt lt lt lt dl 5 JeBueuoxe jeeu edid ejqnoq uolsuedx3 oiuonoe 3 uoisuedx3 uolsuedx3 oiuonoe 3 SHA3 uoisuedx3 Siuono la osA3 uoisuedx3 Sluolo 9l3 uolsuedx3 Sluono la uoisuedx3 Sluono l3 uoisuedx3 91u0429 3 qm 9 9 1 1l d JeBueuoxe yeay edid ajqnoq SHA3 uoisuedx3 9iuoJoe 3 OSA3 N aqny 21114 STOP VALVE WITH SERVICE PORT 7 9 FLARE CONNECTION SERVICE PORT PRESSURE SWITCH HEAT EXCHANGER PIPE EH ELECTRONIC cy EXPANSION LIQUID PIPE FILTER gt VALVE 99 lt PRESSURE REGULATING VALVE CAPILLARY TUBE SOLENOID VALVE STRAINER gt 8 SOLENOID CHECK VALVE VALVE ELECTRONIC EXPANSION FILTER C VALVES gt lt SOLENOID REFRIGERANT REGULATOR ELECTRONIC cx EXPANSION FILTER ABSOLUTE PRESSURE TYPE FOUR WAY VALVE PRESSURE SENSOR HIGH PRESSURE HEAT EXCHANGER HIGH AND LOW CAPILLARY TUBE HE GAS FOUR WAY VALVE SENPH SUCTION GAS Ds
55. time after installation or after an indoor or outdoor unit PCB has been replaced ne Normal Is indoor outdoor and outdoor outdoor unit transmission wiring normal 1 NO T After fixing the incorrect wiring push and hold the RESET button on the master outdoor unit PCB for 5 seconds YES The unit will not run for up to 12 minutes Push and hold the RESET button on the outdoor unit PCB for 5 seconds Does a malfunction NO Normal reoccur YES Disconnect the outdoor outdoor unit transmission wiring to create the one system status and then check whether or not the system is normal YES Mount the DIII NET extension adaptor NO cl Does uw malfunction occur for all indoor units in the system YES NO Replace the indoor unit PCB Replace the outdoor unit PCB A1P 1 Check the correct wiring indoor outdoor and outdoor outdoor by Installation Manual 2 What is Auto Address This is the address automatically assigned to indoor units and outdoor units after initial power supply upon installation or after executing rewiring Keep pressing the button for more than 4 seconds 188 Troubleshooting Remote Controller 9 Check causes of rise in high pressure SiBE341001_B Referring to the Fault Tree Analysis FTA shown below probe the faulty points Stop valve closed lt Check to be sure the stop va
56. 10 96Hz 96Hz OFF 5 68Hz 68Hz 68Hz 11 104Hz 104Hz OFF 6 70Hz 70Hz 70Hz 12 110Hz 110Hz OFF 7 74Hz 74Hz 74Hz 13 11692 116 2 OFF gt 8 80HZz 80Hz 80Hz 9 88 2 88Hz 88Hz 10 96Hz 96Hz 96Hz 11 104Hz 104Hz 104Hz 12 110Hz 110Hz 110Hz 13 116Hz 116Hz 116Hz 14 124Hz 124Hz 124Hz 15 132 2 132 2 132 2 16 138 2 138 2 138 2 17 144Hz 144Hz 144Hz 18 158Hz 158Hz 158Hz 19 166Hz 166Hz 166Hz 20 176Hz 176Hz 176Hz 21 188Hz 188Hz 188Hz 22 202Hz 202Hz 202Hz 23 210Hz210Hz 210Hz 1 24 218Hz218Hz 218Hz 25 232Hz 232Hz 232Hz Gema 140 yoe 52 25 2 3 Upper limit of Q212 type is 27 27 266Hz 266Hz 266Hz_ 3 Function 42 Detailed Control Functions 5 41001 RQCEQ712 848PY1 No INV INV INV INV 6 OFF OFF OFF e OFF OFF OFF oss OFE OFF OFF OFF 6 vae OFF OFF e sere ate OFF OFF ser sere OFF OFF OFF 78 sor eor OFF 9 sers aere eer OFF 6 zone one 8 sor sor aor aee eere oerte 3 Upper limit of Q212 type is 27 266Hz 266Hz 266Hz 43 Function SIiBE341001 B Detailed Control Functions 2 5 4 Electronic Expansion Valve PI Control Main electronic expansion valve EVM control When the outdoor unit heat exchanging is performed via the evaporator
57. 10 minutes or more Discharge pipe temperature standby 3 times per 100 min Restart standby 10 min Stop due to malfunction 2 times per 100 min at max F3 displayed HTdi Value of INV compressor discharge pipe temperature compensated with outdoor air temperature Function 50 Detailed Control Functions 5 41001 2 6 4 Inverter Protection Control Inverter current protection control and inverter fin temperature control are performed to prevent tripping due to a malfunction or transient inverter overcurrent and fin temperature increase Inthe case of multi outdoor unit system each INV compressor performs these controls the following sequence Inverter overcurrent protection control Perform the following control of integrated as well as multi units for each INV compressor Normal operation Inverter current value e Inverter current value lt 14 7A gt 14 7A INV upper limit frequency max 210 Hz INV current value lt 14 7A continues for 20 sec INV Comp INV Comp 1 step down 10 sec 1 step up 20 sec current value gt 14 7 e After 10 sec INV current value gt 16 1A continues for 260 seconds 4 times per 60 min Restart standby Stop due to malfunction 3 times per 60 min at max L8 displayed Inverter fin temperature control Perform the following control of integrated as well as multi units for each INV compressor Normal operation Tf
58. 4 x 10m s 09 5 x 1m RQCYQS40PY1 type and the b 015 9x10m e 49 5 x 20m h 9 5 x 20m k 6 4 x 10m t 69 5 x 1m piping lengths are as at right 69 5 x 20m 69 5 x 20m i 69 5 x 10m 09 5 x 1m u 612 7 x 3m Total capacity of indoor unit 11696 R 40 0 18 3x0 12 1 33x0 059 20x0 022 11 2 0 5 5 147 c 5 1 kg t t u r t j k RQCYQ540PY1 116 Note 1 When the equivalent pipe length between outdoor unit multi connection piping kit and indoor units is 90m or more the size of main pipes both gas side and liquid side must be increased to the following table Depending on the length of the piping the capacity may drop but even in such case it is able to increase the size of main pipes Refer to figure below Model name of Piping size O D 1 Outdoor unit outdoor unit system Gas pipe Liquid pipe 2 Main pipes RQYQ140 015 9 gt 019 1 09 5 gt Not increased 3 Increase RQYQ180 019 1 gt 022 2 09 5 gt Not increased 4 The first refrigerant branch kit RQCYQ280 22 2 gt 925 4 09 5 gt 012 7 5 Indoor unit RQCYQ360 025 4 gt 028 6 ROCYQA60 Med 012 7 gt 015 9 1 RQCYQ500 540 615 9 gt 019 1 2 je Appendix 218 Example of connection R 410A SiBE341001_B m Heat Recovery series RQ C EQ Example of connection cc Branch with REFNET joint Branch with REFNET joint and header Branch with REFNET header Connection of 8 indoor units First out
59. B Troubleshooting by Remote Controller 5 0 Master Slave Unit Setting Table Combination of intelligent Touch Controller and Centralized Remote Controller Pattern EE E NETT S intelligent EN Touch Master Touch Slave Controller Controller intelligent Master Touch Slave Controller intelligent Touch Master Slave Controller CRC Mastr Touch Master Controller CRC Centralized remote controller lt DCS302CA61 gt intelligent Touch Controller DCS601C51 gt The patterns marked with have nothing to do with those described in the list of Setting of master unit central setting connector Troubleshooting 204 205 SiBE341001 B Part Appendix B DIAJ IMS 206 onn apna akaun tattle at eatin 206 1422 BS URPI EE 207 Wiring Diagrams for Reference 210 ute na nun 210 2 211 ODIOM T 214 34 OptonListsxXOuldoor i 214 Example of connection R 410A 216 Appendix D P SiBE341001_B iagrams iping iagrams D Outdoor Uni RQYQ140 180PY1 RQEQ140 180 iping 1 1 1 212PY1
60. Independent Independent Q280 type 022 2 unit 1 unit 2 unit 3 unit 4 HHA 28 6 Q636 type 9712 type Q744 type LI 10 N Piping between outdoor unit multi connection piping kit Piping between outdoor unit multi connection piping kits part B and outdoor unit part C ping piping kits part B Choose from the following table in accordance with the total capacity of all the outdoor units connected upstream unit mm Outdoor unit Piping size O D capacity type Suction gas pipe HP LP gas pipe Liquid pipe 022 2 019 1 9 5 Piping between outdoor unit multi connection piping kits part B Piping between outdoor unit and refrigerant branch kit part A Piping between outdoor unit multi connection piping kit and outdoor unit part C Choose from the following table in accordance with the capacity type of the outdoor unit connected unit mm Outdoor unit Piping size O D capacity type Suction gas pipe HP LP gas pipe Liquid pipe Q140 type Q180 212 type Appendix Example of connection R 410A Type Piping between refrigerant branch kits Piping between refrigerant branch kit and BS
61. O 0 9 Electronic expansion valve Y1E Is the connector for the electronic expansion valve of the PCB concerned properly connected NO Properly and securely connect the connector YES Is the resistance of the NO electronic expansion valve coil normal See 1 Replace the electronic expansion valve coil concerned YES Replace the BS unit PCB 1 Procedure for checking the electronic expansion valve for the drive unit coil Disconnect the electronic expansion valve connector X7A from the PCB and then make measurement of resistance and check for continuity between the connector pins to make judgement White 1 1 2 Yellow 5 03 3 Orange Orange 3 4 Blue 92 94 Yellow Brown Blue 2 6 4 COM 6 Brown The normal states are as follows 1 No continuity between Pins 1 and 2 2 Approx 3000 resistance between Pins 1 and 3 3 Approx 1500 resistance between Pins 1 and 5 4 Approx 3000 resistance between Pins 2 4 5 Approx 1500 resistance between Pins 2 and 6 Troubleshooting 128 Troubleshooting by Remote Controller SiBE341001_B 2 16 Outdoor Unit Abnormal Outdoor Fan Motor Signal Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes 129 AL RQYQ PY1 RQEQ PY1 Detection
62. Outdoor 69 Part 6 Troubleshooting 92 Table of Contents 1 Symptom based Troubleshooting 94 2 Troubleshooting by Remote Controller 97 2 4 97 2 2 Self diagnosis by Wired Remote Controller 98 2 3 Remote Controller Service Mode 99 244 TES RUN MOTE yest co y u anes 102 2 5 Remote Controller Self Diagnosis FUNCTION 102 2 0 ex Odor Unit POB nu ama 110 2 7 te Outdoor Unit Actuation of High Pressure Switch S1PH or PreSSure SWIG preser iuo ie ER Leni oua ud 111 2 8 Outdoor Unit Actuation of High Pressure Switch S1PH or Pressure SwilelidS2P uuu cup beue 112 2 9 Outdoor Unit Actuation of Low Pressure Sensor 114 2 10 5 Outdoor Unit Inverter Compressor Motor Lock 116 2 11 pro Outdoor Unit Malfunction of Outdoor Unit Fan Motor 118 2 12 5 Outdoor Unit Malfunction of Electronic Expansion Valve Col C TES Y9E 3 cibis u UR
63. RQCEQ RQCEQ RQCEQ RQCEQ y 280PY1 360PY1 460PY1 500PY1 540PY1 636PY1 712PY1 744PY1 816PY1 848PY1 mds RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ 140PY1 180PY1 180PY1 180PY1 180PY1 212PY1 212PY1 212PY1 212PY1 212PY1 COMES RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ 140PY1 180PY1 140PY1 180PY1 180PY1 212PY1 180PY1 212PY1 212PY1 212PY1 RQEQ RQEQ RQEQ RQEQ w o Total number of connectable Total capacity of connectable 14 0 18 0 23 0 25 0 27 0 31 8 35 6 37 2 40 8 42 4 indoor units kW 36 4 46 2 59 8 65 0 70 2 82 7 92 6 96 7 106 110 Outdoor unit 3 RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ 140PY1 140 1 180 1 212PY1 180PY1 180 1 212PY1 212PY1 5 General Information SiBE341001 B Part 2 Specifications hig leelleczie c Ed 7 eto ua etti ade rau 7 1 2 BS Units Specifications 6 Specifications SiBE341001_B 1 Specifications 1 1 Outdoor Units Heat Pump Series lt RQ C YQ P gt lt 1 Coding Capacty x2 Heating Capacity a Connecting Pipes n Pressure Switch Fan Driver Overload Protector High Pressure Switch Fan Driver Overload Protector vercurrent Relay Inverter Overload Protector Overcurrent Relay Inverter Overload Protector Refrigerant Standard Accessories I Manual Operation Manual Connection P
64. Refrigerant Flow for Each Operation Mode Defrost 2 operation Indoor unit operation ON Heating Indoor unit operation ON Heating Indoor unit operation ON Cooling High temperature 0 ON OFF high pressure gas Heatexchanger Heatexchanger High temperature 5 high pressure liquid 3 Low temperature low pressure Y Fan OFF Filter Electronic expansion valve Filter 0p Fan OFF Fan OFF 0 ps jeeu edid jeeu edid JeBueuoxe 1e u edid E E m m m m m m m m m m 9 9 9 9 9 2 5 5 5 5 5 Sm m m m m m 5 5 9 m 5 m 29 mao Q moo m mST ER mao mz S 2 ms5o 5 0 moo 5 29 5 mao 2 20 5 22 58 lt 22 2 5 8 o 553 Dag lt 5 55 mas lt 29 60055 3 ros a 3 5 of oe os 8 5 8 oz 4 28 28 538 2 O28 36 538 T 238 255 0 928 258 233 288 Ss 928 55 55 55 244 52 55 sa 55 7845 55 58 55 55 832 56 lt lt lt 5 5 5 8 c 5 5 5 8 8 219114 19114 STOP VALVE WITH SERVICE PORT 7 9 FLARE CONNE
65. Remote Controller Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Continued from the previous page Confirmation of malfunction LED lamp indicates as follows 0 Start operation of all the indoor units Check if all the units MS Continue operation indicate i s YES Check if more than 2 NO minutes passed since NE diagnosis again based i2 was indicated the indication in 2 minutes and over YES The indoor units PCB indicating are normal Check the indoor units in the other circuits to diagnose failure according to the corresponding malfunction codes 164 Troubleshooting by Remote Controller SiBE341001_B 2 34 u Outdoor Unit Transmission Failure Across Outdoor Units Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes 165 gt n RQYQ PY1 RQEQ PY1 Micro computer checks if transmission between outdoor units is normal When transmission is not carried out normally for a certain amount of time m Connection error in connecting wires between outdoor unit and external control adaptor for outdoor unit m Connection error in connecting wires across outdoor units m Setting error in switching cooling heating m Unified address setting error for cooling
66. SERVICE PORT FOUR WAY VALVE PRESSURE SWITCH HEAT EXCHANGER PIPE 1 CAPILLARY TUBE HIGH AND LOW PRESSURE GAS PIPE CAPILLARY TUBE FOUR WAY VALVE PRESSURE SENSOR HIGH PRESSURE SENPH SUCTION GAS CHECK VALVE FOUR WAY E FILTER gt lt i SOLENOID HIGH PRESSURE VALVE SWITCH OIL SEPARATOR STRAINER CHECK VALVE STRAINER CHECK VALVE gt lt PRESSURE SENSOR SOLENOID LOW PRESSURE MIXING UNIT ACCUMULATOR Refrigerant Circuit 28 Refrigerant Flow for Each Operation Mode SiBE341001_B Heating operation Indoor unit operation ON Heating Indoor unit operation ON Heating Indoor unit operation OFF Heating High temperature Thermostat ON Thermostat OFF high pressure gas m Heat exchanger Heat exchanger 72 aM exchanger High temperature high pressure liquid Low temperature lt low pressure Fan OFF Setting Setting lt ma lt mm Filter Electronic expansion valve Filter Filter Electronic expansion valve Filter Filter Electronic expansion valve Filter Normal 192 pls 192 pls 1e u edid ejgnoq yeay edid JeBueuoxe ye
67. Unit Abnormal Discharge Pipe Temperature 123 2 14 Outdoor Unit Humidity alarm 125 2 15 FS Outdoor Unit Malfunction of BS Unit Electronic Expansion Valve 127 2 16 5 Outdoor Unit Abnormal Outdoor Fan Motor Signal 129 2 17 45 Outdoor Unit Malfunction of Thermistor R1T for 131 2 18 22 IS Outdoor Unit Malfunction of Outdoor unit Thermistor 132 2 19 Outdoor Unit Malfunction of High Pressure Sensor 134 2 20 it Outdoor Unit Malfunction of Low Pressure Sensor 136 2 21 L Outdoor Unit Malfunction of Inverter 138 2 22 L Outdoor Unit Malfunction of Inverter Radiating Fin Temperature Rise 140 2 23 5 Outdoor Unit Momentary Overcurrent of Inverter 142 2 24 LE Outdoor Unit Momentary Overcurrent of verner Compre SOF minnanna aaa 144 2 25 Outdoor Unit Inverter Compressor Starting Failure 146 2 26 Lt Outdoor Unit Malfunction of Transmission between Inverter and Main 149 2 27 P Outdoor Unit Inverter Over Ripple Protection
68. before connect or disconnect connector Caution or parts damage be occurred Check the monitor mode Check electric motor electric motor corresponding to malfunction code E7 in the monitor mode of outdoor unit PCB Refer to P 106 P 107 for how to check Cut the power supply OFF and wait for 10 minutes YES Check if any foreign substances around the fan Remove the foreign substances Check the connection status of the connectors O Fan motor relay connector or X1A X2A of compressor inverter PCB Check if any connector is disconnected YES Insert the connector Check the color of relay connectors O Fan motor Both power supply wire and signal wire are all white connectors have any connection YES Correct the connection of the relay connectors NO 119 Troubleshooting SiBE341001 B Troubleshooting Troubleshooting No continuity of fuse F1U on the fan inverter PCB NO Unable to rotate the fan manually with ease when removing the connector of the fan motor NO Resistance value between the power supply wire terminal of fan motor and the motor frame metal is 1MQ and below NO YES YES YES eurem Referring to the information on P 189 Check fan motor connector power supply wire The resistance va
69. by a test run Faulty transmission with other Other system or other unit in the same systems system Faulty field setting Excess indoor units connected indoor units connected Excess indoor units connected ____ of erroneous models of indoor unit 2 Fault mbination of i lt Confirmation of malfunction 4 gt no BS unit malfunction unit malfunction wiring in units dedicated to multi connections Faulty connection of former BS unit connection of former Faulty connection of former BS unit unit Faulty connection between outdoor and BS unit Faulty connection between BS units Wrong number of indoor units connected to BS unit Faulty connection of BS unit at HP Faulty connection of outdoor unit at HP HR Faulty combination of outdoor multi Faulty combination of outdoor multi of outdoor multi Unmatched wiring piping no system Unmatched wiring piping settings Faulty system line Wrong wiring auto address error UH description on next Push the SET BS2 button once to display malfunction location Push the SET BS2 button once to display master or slave 1 or slave 2 or slave 3 and malfunction location Push the RETURN BS3 button and switches to the initial status of Monitor mode Push the MODE BS1 button and returns to Setting mode 1 Troubleshooting 108 Troubleshooting by Remote Controller Malfunction Confirmation
70. by which the low pressure has become low 1 Make a comparison between the voltage of the pressure sensor and that read by the pressure gauge As to the voltage of the pressure sensor make measurement of voltage at the connector and then convert it to pressure according to information on P 201 2 Make measurement of voltage of the pressure sensor 5V Connector for low pressure sensor Micro controller A D input Make measurement of DC voltage between these wires 115 Troubleshooting SiBE341001 B Troubleshooting by Remote Controller 2 10 25 Outdoor Unit Inverter Compressor Motor Lock Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting RQYQ PY1 RQEQ PY1 Inverter PCB takes the position signal from UVW line connected between the inverter and compressor and the malfunction is detected when any abnormality is observed in the phase current waveform This malfunction will be output when the inverter compressor motor does not start up even in forced startup mode Inverter compressor lock High differential pressure 0 5MPa or more Incorrect UVW wiring Faulty inverter PCB Stop valve is left in closed 116 Troubleshooting Remote Controller SiBE341001_B Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage be o
71. delivery One outdoorunitinstaled e e o when Ma o e outdoor e e eo mae ss 9 The master unit is the outdoor unit to which the transmission wiring for the indoor units is connected The other outdoor units are slave units Make field settings with outdoor O Make field tings If needed enm For the setting procedure refer to information in Field Setting from unit PCB in Outdoor Unit on page 69 onward For the outdoor multi system make field settings with the master unit Field settings made with the slave unit will be all invalid Outdoor unit Main PCB Push button switch 51 55 SS yg LED lamp H1P H8P LU TES X6A QX20A X23A X22A El comp box lid SSS cA Service Precaution LLH AD copes 3 label ras SEM T switch N DS2 1 2 4 2 MP Tra Dip switch T 1 DS1 1 1 4 2 e Micro computer service monitor X14A X18A X24A MHA X9A X10A eu Nk
72. eut 121 2 13 75 Outdoor Unit Abnormal Discharge Pipe Temperature 123 2 14 4 Outdoor Unit Humidity alarm 125 2 15 27 Outdoor Unit Malfunction of BS Unit Electronic Expansion Valve 127 2 16 7 Outdoor Unit Abnormal Outdoor Fan Motor Signal 129 2 17 45 Outdoor Unit Malfunction of Thermistor R1T for Outdoor Air 131 2 18 22 5 Outdoor Unit Malfunction of Outdoor nit A 132 2 19 Outdoor Unit Malfunction of High Pressure Sensor 134 2 20 it Outdoor Unit Malfunction of Low Pressure Sensor 136 2 21 Outdoor Unit Malfunction of Inverter 138 2 22 L Outdoor Unit Malfunction of Inverter Radiating Fin Temperature Rise 140 2 23 5 Outdoor Unit Momentary Overcurrent of Inverter Compressor 142 2 24 5 Outdoor Unit Momentary Overcurrent of Inverter Compressor 144 2 25 5 Outdoor Unit Inverter Compressor Starting Failure 146 2 26 Lt Outdoor Unit Malfunction of Transmission between Inverter aq Ma PC NN REEL 149 2 27 P Outdoor Unit Inverter Over Ripple Protection
73. group No for indoor unit changed YES Check whether or not there are no problems with the transmission wiring length branch numbers types of YES cables and wires number of units connected and others If no problems replace the indoor unit PCB Reset the power supplies of every centralized controller For the intelligent Touch controller register the air conditioner again while in DIII NET test run menu 184 Troubleshooting by Remote Controller Troubleshooting 185 Check the transmission wiring between centralized controllers for any broken wire For details refer to information in the Procedure for checking broken wires section Refer to P 202 Abnormal Normal Check the transmission wiring between master centralized controller for any broken wire For details refer to information in the Procedure for checking broken wires section Refer to P 202 Abnormal Normal Has the master centralized controller setting connector been connected NO YES Disconnect the transmission wiring of the master centralized controller and then check the voltage between the transmission terminals F1 and F2 of the master unit transmission equipment using a tester Is the voltage between the terminals F1 and F2 in the range of 15 2 to 17 6 VDC NO YES SiBE341001_B Correct the wiring Correct the wi
74. heating function unit external control adaptor for outdoor unit m Defective outdoor unit PCB A1P m Defective of external control adaptor for outdoor unit Troubleshooting SiBE341001 B Troubleshooting by Remote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check the LED lamps for Confirmation of malfunction 3 corresponding to the n Mn malfunction code for Confirmation of malfunction 4 in the monitor mode and Confirmation of malfunction 3 Confirmation of malfunction 4 90060999 lt Confirmation of malfunction 3 Confirmation of malfunction 4 000090900 lt Confirmation of malfunction 3 Confirmation of malfunction 4 90060999 lt Confirmation of malfunction 3 Confirmation of malfunction 4 0000905000 lt Confirmation of malfunction 3 Confirmation of malfunction 4 00090999 lt Confirmation of malfunction 3 Confirmation of malfunction 4 9000099090009090 Confirmation of malfunction 3 Confirmation of malfunction 4 90060999 lt Confirmation of malfunction 3 Confirmation of malfunction 4 90060999 Confirmation of malfunction 3 Confirmation of malfunction 4 9000909900090909 lt Confirmation of malfunction 3 Confirmation of malfunction 4 900090990060999 Troubleshooting Go on to the Diagnosis Flow 1 Faulty transmission ca
75. if the parts wires mounted connected properly 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 MQ or higher Faulty insulation can cause an electrical shock Be sure to check the drainage of the indoor unit after the repair Faulty drainage can cause the water to enter the room and wet the furniture and floor 1 1 4 Using Icons Icons are used to attract the attention of the reader to specific information The meaning of each icon is described in the table below 1 1 5 Using Icons List Icon Type of Description Information Note A note provides information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks Note Caution A caution is used when there is danger that the reader through incorrect manipulation may damage equipment loose data get Caution an unexpected result or has to restart part of a procedure Warning A warning is used when t
76. length 7 5m level difference Om kcal h kWx860 2 Indoor temp 20 CDB outdoor temp 7 CDB 6 CWB Equivalent piping length 7 5m level difference Specifications 10 Specifications SiBE341001_B Heat Recovery Series lt RQCEQ P gt CIT x1 Cooling Capacity x2 Heating 15754157544 Comp Number of Revolutions 6300 6300 7440 7440 x 2 8x1 2 8x1 3 3x1 3 3x1 of Units Soft stan Propellor fan Motor Output 035K HOSEA 1105110 Connecting Pipes High pressure switch fan driver overload protector High pressure switch fan driver overload protector overcurrent relay inverter overload protector overcurrent relay inverter overload protector Refrigerant Standard Accessories Installation manual Operation manual Connection pipes Installation manual Operation manual Connection pipes Clamps Clamps Drawing No O o oo Notes 1 Indoor temp 27 CDB 19 0 CWB outdoor temp 35 CDB Equivalent piping length 7 5m level difference kcal h kWx860 2 Indoor temp 20 CDB outdoor temp 7 CDB 6 CWB Equivalent piping length 7 5m level difference ied 11 Specifications 41001 B Specifications 1 Cooling Capacity x2 Heating Capacity 15 75x1 13 34x1 13 34x1 15 75 1 15 75 1 13 34 1 3 3 1 2 8 1 2 8 1 3 3 1 3 3 1 2 8 1 0 35x1 0 35x1 0 35x1 0 3
77. lt Is there any obstacle in the air passage lt Refer to F6 troubleshooting lt 15 the indoor unit too small compared to the large sized outdoor unit 1 In cooling it is normal if the outdoor unit electronic expansion valve EVM is fully open 2 In heating the indoor unit electronic expansion valve is used For details refer to Electronic Expansion Valve Control 189 for subcooled degree control Troubleshooting SiBE341001 B Troubleshooting by Remote Controller Check for causes of drop in low pressure Referring to the Fault Tree Analysis shown below probe the faulty points In coolin T ee 1 9 Faulty low pressure Are the electrical characteristics normal Faulty low lt 15 the pressure value checked with the Service Checker pressure Faulty control PCB corresponding to the measurement of the pressure sensor control Faulty low pressure sensor lt Are the electrical characteristics normal Faulty low U sss Faulty hot gas solenoid valve lt Are the coil resistance and insulation normal Faulty control lt pressure value checked with the Service Checker See 2 corresponding to the measurement of the pressure sensor y indoor uni en l In cooling Faulty valve lt Are the coil resistance and insulation normal If the indoor unit expansion valve electronic Faulty valve body expansion valve is e
78. of malfunction 1 Check 1 Confirmation of malfunction 2 Check 2 code HIP He PoP ree wee PeP FoP AP mama P oje o ol e ejo U1 9 M I I oF W m Display of contents Display of contents of malfunction first digit malfunction second digit 109 SiBE341001_B o Blink Confirmation of maffuncion 3 Check Confimation of malfunction 4 Check 4j TP PeP FoP Fe HIP HAP HP HOP HTP re Display 1 of Display 2 of malfunction in detail malfunction in detail 1 Faulty system Individual system Multi system gt Right hand system Master gt Left handsystem Slave 1 Slave 2 lo gt Slave 3 gt systems System Troubleshooting SiBE341001 B Troubleshooting by Remote Controller 2 6 Outdoor Unit PCB Defect Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting gt I RQYQ PY1 RQEQ PY1 Abnormality is detected under the communication conditions in the hardware section between the indoor
79. of multi outdoor unit system the following control is performed in the entire system Pc_max indicates the maximum value within the system Normal Operation Pc_max gt 2 93 MPa Compressor step Step Compressor system Pc_max lt 2 69 MPa Compressor system 2 step down 10 sec 1 step up 10 sec e Pc 3 01 MPa e After 10 sec Compressor system Step 1 Pc max 3 09 MPa HPS 4 0 MPa is activated Restart standby Stop due to malfunction 8 times per 40 min at max E3 displayed 47 Function SiBE341001 B 2 6 2 Low Pressure Protection Control Detailed Control Functions This low pressure protection control is used to protect compressors against the transient decrease of low pressure In cooling operation Because of common low pressure the following control is performed in the system Pe min indicates the minimum value within the system Normal Operation Pe min 0 34 MPa Pe min 0 39 MPa Single type Compressor step of the present situation x 0 5 Multi type 210 Hz OFF OFF upper Pe min 0 25 MPa Single type 52 Hz OFF Multi type 52Hz OFF OFF upper limit Pe min 0 15 MPa Hot gas solenoid valve ON Pe min 0 07 MPa Pe min 0 29 MPa 8 times per 60 min at max E4 displayed Function Restart standby Stop due to malfunction Restart standby 4 times per 60 min at max 48 Detailed Control Funct
80. outdoor temperatures m Used to place limits on the compressor Method using the external control adaptor for operating frequency to control the upper limit outdoor unit of power consumption Select Demand 1 3 by short circuit the 1 Mode 1 of Demand 1 60 or less of terminal strip TeS1 ratin Setting of demand 3 Au 2 Mode 2 of Demand 1 70 or less of operation 1 Setting Setting mode 2 only 3 Mode 3 of Demand 1 80 or less of Select Demand 1 or Demand 2 using set No 32 of Setting mode 2 If Demand 1 is selected 5 Demand 2 40 or less of rating then also select Level 1 3 using set No 30 5 Demand 3 Forced thermostat OFF B AIRNET to an intended address using m nd AIRNET Em 22 address setting with binary numbers with No 13 of Setting mode m Make this setting to operate a system with discharge duct while in high static pressure mode Use this setting mode when concealed outdoor unit installation is required on upper floors or balconies n order to mount the discharge duct remove the cover from the outdoor unit fan Setting of high m Set No 18 of Setting mode 2 to ON static pressure 69 Test Operation SiBE341001 B 2 Service setting items Setting item Content and objective of setting Indoor unit fan is Used to operate the indoor unit in the H operation stopped state in forced H operation mode 2 Indoor unit forced U
81. priority unit which is detected with the pressure sensor Heating operation Controls compressor capacity to adjust Tc to achieve target value 5 Tc set value Make this setting while in Setting mode 2 Tc setting E M Normal H factory setting Tc High pressure equivalent saturation temperature 2 Target temperature of Tc Varies depending on Tc setting operating frequency etc On multi outdoor unit systems this control is made according to values of the first priority unit which is detected with the pressure sensor Function 40 Detailed Control Functions 2 5 3 Compressor Step Control Compressor operations vary with the following steps according to information in 2 5 2 Compressor PI Control RQYQ140 180PY1 RQCYQ280 360PY1 inv 280 360 1 1 52Hz Initial step d 2 56 2 1 52Hz OFF 3 62Hz 2 56Hz OFF 4 68Hz 3 62Hz OFF 5 7482 4 68Hz OFF 6 8082 5 74Hz OFF 7 88Hz 6 80Hz OFF 8 962 7 88Hz OFF 9 1042 8 96Hz OFF 10 11082 9 10482 OFF lt 1 52Hz 52Hz 11 116Hz 10 M10Hz OFF 2 5692 56Hz 12 124Hz 11 M16Hz OFF 3 62Hz 62Hz 13 132Hz 12 124 2 OFF 4 66Hz 66Hz 14 144Hz 13 M32Hz OFF 5 70Hz 70Hz 15 15842 14 M4
82. sc a re B T CHECK VALVE 2 CAPILLARY FOUR WAY 1 X T VALVE HE FILTER gt P EM HIGH PRESSURE SWITCH STRAINER CHECK VALVE HES SIE AERATOR CHECK VALVE 2 Z CAPILLARY COMPRESSOR TUBE CHECK VALVE PRESSURE SENSOR SOLENOID VALVE LOW PRESSURE MIXING UNIT ACCUMULATOR 46 Detailed Control Functions 5 41001 2 6 Protection Control 2 6 1 High Pressure Protection Control This high pressure protection control is used to prevent the activation of protection devices due to abnormal increase of high pressure and to protect compressors against the transient increase of high pressure In cooling operation case of multi outdoor unit system the following control is performed in the entire system Pc max indicates the maximum value within the system Normal Operation Pc max gt 3 47 MPa MEM Compressor step Max Step 4 lt 3 24 After 15 sec Compressor system Compressor system 2 step down 10 sec 1 step up 15 sec gt 3 47 After 15 Pc max gt 3 55 MPa e After 10 sec Compressor system Step 1 Pc max gt 3 64 MPa HPS 4 0 is activated Restart standby Stop due to malfunction 2 times per 30 min at max displayed Heating Operation and Simultaneous Cooling Heating Operation In
83. the transmission wiring may have broken wires With the indoor outdoor unit terminal parts of the Outdoor Unit C short circuited identify the place with continuity in the transmission wiring of the Indoor Unit b transmission wiring of the Indoor Unit c and transmission wiring of the Indoor Unit d in the order described If the place with continuity can be identified there may be broken wires in places before the said place with continuity P Short circuit Ell the L outdoor outdoor unit terminal parts Short circuit between Unit 2 Check the transmission the indoor outdoor unit wiring for continuity terminal parts If there is continuity the indoor outdoor unit transmission has no broken wires in it Check the transmission wiring for continuity If there is continuity the outdoor outdoor unit transmission has no broken wires in it 202 Troubleshooting Remote Controller SiBE341001_B 0 30 GES Master Unit Central Connector Setting Table The master unit central setting connector CN1 X1A is mounted at the factory Pattern i Centralized Unified ouch remote ON OFF 2 controller controller 203 To independently use a single unit of the intelligent Touch Controller or a single unit of the centralized remote controller do not dismount the master unit central setting connector i e use the connector with the factory setting unchanged To ind
84. to select the REFNET joint How to select the REFNET header When using REFNET joint at the first branch counted from the outdoor unit side e Choose from the following table in accordance with the total capacity index of all the indoor units connected Refri tb hit IB Choose from the following table in accordance with the outdoor unit capacity type below the REFNET header 22 52 Example REFNET joint e Note 250 type indoor unit cannot connected below the REFNET header Outdoor unit capacity type Refrigerant branch kit name Indoor unit total capacity index Refrigerant branch kit name Q140 180 type KHRP26A22T N When multi outdoor system are installed be sure to GOBUT DE XE 26 use the special separately sold Outdoor unit yp 200 lt x lt 290 KHRP26M33H connection piping kit Q360 540 type KHRP26A72T 290 lt x 640 KHRP26M72H The table at right shows how to select the proper kit KHRP26M73H KHRP26M73HP e Choose the REFNET joints other than that for the first branch from the following table in accordance with the total I I m ig ape How to select the Outdoor unit multi connection piping kit This is required when the system is multi outdoor unit Capacity index of all the indoor units connected below the REFNET joint system Indoor unit total capacity index Refrigerant branch kit name C hoose from the following table in accordance with the number of outdoor units KHRP26A22T
85. unit and outdoor unit When the communication conditions in the hardware section between the indoor unit and the outdoor unit are not normal m Defect of outdoor unit PCB A1P m Defective connection of inside outside relay wires 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 External factor other than malfunction for example noise etc Return to normal Check if inside outside relay wires of outdoor main PCB is disconnected Connect the inside outside relay wires correctly Replace the outdoor main PCB A1P 110 Troubleshooting by Remote Controller SiBE341001_B 2 7 tc Outdoor Unit Actuation of High Pressure Switch S1PH or Pressure Switch S2P gt gt Remote Controller Display Applicable RQYQ PY1 Models RQEQ PY1 Method of Malfunction is detected by the relationship between pressure detected by the high pressure Malfunction sensor and operation of the high pressure switch S1PH or pressure switch S2P Detection Malfunction When the high pressure switch S1PH or pressure switch S2P operates under low pressure Decision detected by the high pressure sensor during compressor operation Conditions Operating pressure of high pressure switch S1PH 4 0MPa Operating pressure of pressure switch S2P 3 3MPa Supposed B Defect of high pres
86. with settings in service mode Inhibition of operation is set with each outdoor unit Make the following settings with the master unit Setting with the slave unit becomes disabled Discriminate the operating status of the master unit slave units through the following LED display LED display OFF H1P H7P H8P Master Slave 1 0000000 9 Slave 2 0000000 09 Slave 3 0000000 09 Factory set n order to set the master unit to operation prohibition mode set No 38 of Setting mode 2 to MASTER OPERATION PROHIBITION LED display O ON OFF H1P H7P Procedure 1 Press and hold the MODE button BS1 for a period 015 seconds more 2 Press the SET button BS2 38 times 3 Press the RETURN button 853 once Factory set 4 Press the SET button BS2 once 29000007 5 Press the RETURN button 853 twice 6 Press the button 851 once 0000 n order to set the slave unit 1 to operation prohibition mode set No 39 of Setting mode 2 to Test Operation H1P H7P Procedure 1 Press and hold the MODE button BS1 for a period 29000000 of 5 seconds or more 2 Press the SET button 52 39 times 3 Press the RETURN button 853 once Factory set 4
87. 105913 x 85 oy HA3 UoISUedX3 91105913 NBA UoISUedX3 9105913 j aqn uejde 2 EE Aa yeay 9119100 85 UoISUe dX EE 1 V C gt Appendix 208 Piping Diagrams SiBE341001_B BSV6Q100P 143 NBA ISU amp dX 91104499 S743 91104499 NBA ISUPdx3 20029 SHA3 9NEA Uu0lsuedx3 9Iu0J129 3 eqni cg e 2 os 1 llld DSAJJ3NBA yea add agno uoisuedx3 21001299 suedx 3lu01109 m 673 eNEA Isuedx 2029 ed NEA TM uolsuedx3 SHA3 910 uoisuedx3 51049913 e eqni uejide gg 385 909 0548 ONEA yeay edid 90100 211040913 Ld ana u0lsuedx3 911042913 673 2IU0JI29 3 me NBA uolsuedx3 9Iu0J129 3 SHA3 NBA je uoisuedx3 ses aqn 281027 2s Eu m z bueoo s 194 05 3 NBA ay add amog 210093 L 13 eneh ISUPdx3 9110499 S3 aren 5 3lu01109 SHA3
88. 1T R32T R33T 132 132 Malfunction of liquid pipe thermistor 1 R6T R9T or R14T 132 Malfunction of thermistor R8T or R10T for suction pipe Malfunction of thermistor R4T or R12T for outdoor unit heat exchanger Malfunction of liquid pipe thermistor 2 R7T or R15T 132 Malfunction of subcooling heat exchanger gas pipe thermistor R5T or 132 R13T 134 136 138 Malfunction of inverter radiating fin temperature rise 140 Malfunction of high pressure sensor Malfunction of low pressure sensor NIN Malfunction of inverter Momentary overcurrent of inverter compressor 142 Momentary overcurrent of inverter compressor 144 146 Inverter compressor starting failure Malfunction of power unit __ __ __ __ __ __ O Malfunction of transmission between inverter and control PCB __ __ __ __ __ __ 149 151 153 Faulty field setting after replacing main PCB faulty combination of PCB 154 Reverse phase open phase 156 Power supply insufficient or instantaneous failure 157 Inverter over ripple protection Malfunction of inverter radiating fin temperature rise sensor Check operation not executed 160 Check operation is not completed 160 Malfunction of transmission between main and sub remote co
89. 2009813 5 E oven ew 8 B 5 Uoisuedx3 31U0109 3 ISUedX3 9 5 U0ISUP X3 91 0989 9 HA3 SHAS an ESTE N 2110 29 luoisuedx3 31u01199 3 A eqn 9 SHA3 9N uoisuedx 189900810000 LII L 99 5 1A ONLA gt leBueuoxe as uoisuedy3 20409 99 8 L 1294 edid ejgnoq aa 1 1l d 95 3 ae 95 61 8 uoisuedx3 Em t 219114 HA 5 luolsuedx3 91404929 1a NEA a 85 uoisuedx3 210009 85 22 3 2000913 So Y E gt eqn Medeo 9 lt gt 57 9 58 uoisuedx3 2100 09 T 19 3214019913 1910 0S3 1 y y edid ejqnoq N8A uosuedx3 21042214 HAA aneh oc 29114 oc 35 8 aS N 2 5 S13 eA SHA3 1 1l d 2 5 uoisuedx3 2404093 5 5 c yeay edid ejgnoq Jay OSA UoIsuedx3 219114 29114 rebueyoxo Z E 0923 y edid ejqnoq Uoisuedx3 oiuonoera 34 ___ mil Liquid pipe connection port x BSV6Q100P 30064149 22 connection port Gas pipe Liquid pipe connection port Gas pipe connection port Liquid pipe connection port Gas pipe connection port Liquid pipe
90. 208A is set to ON this function is used to exert control on the electronic expansion valve so that the evaporator outlet superheated degree SH will become constant SH Tg Te SH Evaporator outlet superheated degree C Tg Suction pipe temperature C detected by the heat exchanger gas pipe thermistor R4T Te Low pressure equivalent saturation temperature C Subcooling electronic expansion valve EVT control In order to make the maximum use of the subcooling heat exchanger this function is used to exert PI control on the electronic expansion valve Y3E so that the evaporator side gas pipe superheated degree SH will become constant SH Tsh Te SH Outlet superheated degree of evaporator C Tsh Suction pipe temperature C detected by the subcooling heat exchanger outlet thermistor R7T Te Low pressure equivalent saturation temperature C Refrigerant charge electronic expansion valve EVJ control While in automatic refrigerant charge mode or additional refrigerant charge mode this function is used to exert control on the opening degree of the electronic expansion valve 2 response to outdoor temperature and close the valve after the completion of refrigerant charge For normal operation this electronic expansion valve is set to 41 pls 2 5 5 Step Control of Outdoor Unit Fans Step control of fans Used to control the revolutions of outdoor unit fans in the steps listed i
91. 25M73HP KHRP26M73H KHRP26M73HP Refrigerant branch kit name How to select the outdoor unit multi connection piping kit 3 pipes 2 pipes This is required when the system is multi outdoor unit system x lt 200 KHRP25A22T KHRP26A22T e Choose from the following table in accordance with the number of outdoor units 200 lt x lt 290 KHRP25A33T KHRP26A33T Number of outdoor unit Connecting piping kit name KHRP26A72T Indoor unit total capacity index 290 lt x lt 640 25 72 25 72 2 units BHFP26P36C 640 lt x 2 7 2 7 ____ 3 units BHFP26P63C 4 units BHFP26P84C Example for indoor units Example REFNET joint B Indoor units 7 Example REFNET header connected downstream Example REFNET joint C Indoor units 5 6 7 Example REFNET header Indoor units 11 2 3 41 5 6 Indoor units 1 2 31 41 15 6 7 219 Appendix SiBE341001 B Pipe size selection Piping between outdoor unit 2 and refrigerant branch kit part A Choose from the following table in accordance with the outdoor unit system capacity type Piping size O D Suction gas pipe HP LP gas pipe Liquid pipe Refer to the diagram below and select the appropriate piping from the tables on the right Model name of outdoor unit Standard Maximum Standard Maximum Standard Maximum system size size size size 69 5 012 7 Independent Independent
92. 390 LAd09 03O0H 1921703909 LAd0rSDO320u LAd09rO320H LAd0gzO3O0H AWA seues Buidid uonoeuuoo BENE Joopino Joonpaij ezis edig Option Lists Outdoor Unit YOUR 187 9 YOUR 8 12 9 uoueJq 8 uoueiq uoueJq 8 1 uoueig 8 uoueiq 9 uoueJq 9 uoueiq Leev9zdHHM xeW Lezv9edHHM 1419 1 9 43 4 sk YOUR XEW HEZIN9SZdHHM uoueJq 8 xeiN H2ZIN9ZdHHM uoueJg xeiN HZZIN9ZdHHM uoueaq uoueug Xe N H EIN92d HHM YOURIG 8 XeIN HEEIN92dHHM d uoueaq p xei HZzIN9edHHM uoueug p xe N HeeIlN9edHHM uoueaq 9 Jepeeu 3NJ3H eannquisid c VLLLSGPM O V9c 6LOU 10 99Jes 2 am uodo C LAdO0SDAOOH LAd09 DAODH LAdOVSDAOODH LAdO9VOADOY LAdO8ZOAD0Y LAd0O8LOAOH LAdOr LOAOH x AWA seueg ao D co co lt Option List SiBE341001_B 215 Appendix 41001 Example of connection R 410A 4 Example of connection R 410A Type m Heat Pump series R
93. 3P correct Replace it with the correct compressor inverter PCB Is the type of the fan inverter PCB A4P correct Replace it with the correct fan inverter PCB es Is the setting of dip switches when replace the main correctly PCB correct After setting Reset the ves power supply Set the dip switches Does the preparation indication lamp H2P on the main PCB turn OFF Hectify the connection wiring YES Replace the outdoor unit main PCB Troubleshooting SiBE341001_B SiBE341001 B Troubleshooting by Remote Controller 2 30 Reverse Phase Open Phase Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting T gt po RQYQ PY1 RQEQ PY1 The phase of each phase are detected by reverse phase detection circuit and right phase or reverse phase are judged When a power supply is reverse phase or T phase is open phase m Power supply reverse phase m phase open phase m Defect of outdoor PCB A1P Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred There is an open phase at the power supply T phase terminal section X1M of the outdoor unit Fix the open phase Requires inspection of field power supply section
94. 4Hz OFF 6 74HMz 74Hz 16 166Hz 7 80Hz 80Hz 17 176 2 8 88Hz 88Hz 9 92Hz 92Hz 13 160244 10 96Hz 96Hz 20 210 4 1 11 10482 10482 21 21852 12 110Hz 110Hz 13 116Hz 116Hz 14 124Hz 124Hz 15 neon 16 144 2 144 2 17 158Hz 158Hz 18 166 2 166 2 19 176Hz176Hz 20 188Hz 188Hz 21 202Hz 202Hz 22 210 2 210 2 23 218Hz218Hz 1 Upper limit of Q140 24 232Hz 232Hz type is 22 2 Upper limit of Q180 25 248 7248 7 type is 25 41 Initial step SiBE341001 B Function SIiBE341001 B Detailed Control Functions RQCYQ460 540PY1 RQCEQ460 636PY1 STEP Master Slave 1 Slave 2 No INV INV INV 1 52Hz OFF OFF 2 56Hz OFF OFF 62 2 OFF 4 68 2 OFF 5 74Hz OFF OFF 6 80Hz OFF OFF 7 88Hz OFF OFF 8 96Hz OFF OFF 9 10482 OFF OFF 1 52Hz 52Hz OFF 10 110Hz OFF OFF 2 56Hz 56Hz 11 116Hz OFF OFF 3 62Hz 62Hz OFF 12 124Hz OFF OFF 4 66 2 66Hz OFF 13 132Hz OFF OFF 5 7 2 70 2 OFF 14 144 7 OFF OFF gt 6 74 2 74Hz OFF lt 1 52Hz 52 2 52Hz Initial step 7 80Hz 80 2 2 56Hz 56Hz 56Hz 8 88Hz 88Hz OFF 3 62Hz 62Hz 62Hz 9 92Hz 92Hz OFF 4 66Hz 66 2 66Hz
95. 5x1 0 35x1 0 35x1 Pipes High pressure switch fan driver overload protector High pressure switch fan driver overload protector overcurrent relay inverter overload protector overcurrent relay inverter overload protector Refrigerant Standard Aecessones Installation manual Operation manual Connection pipes Installation manual Operation manual Connection pipes Clamps Clamps Drawing No EMEN j Notes 1 Indoor temp 27 CDB 19 0 CWB outdoor temp 35 CDB Equivalent piping length 7 5m level difference Om 860 2 Indoor temp 20 CDB outdoor temp 7 6 CWB Equivalent piping length 7 5m level difference oe cae baad et Om Specifications 12 Specifications SiBE341001_B 1 Cooling Capacity x2 Heating Capacity ww ______ ______ 88 _________ 15 75 1 15 75 1 15 75 1 16 89x1 16 89x1 16 89x1 3 3x1 3 3x1 3 3x1 3 6x1 3 6x1 3 6x1 0 35x1 0 35x1 0 35x1 0 35x1 0 35x1 0 35x1 Pipes High pressure switch fan driver overload protector High pressure switch fan driver overload protector overcurrent relay inverter overload protector overcurrent relay inverter overload protector Refrigerant Standard Aecessones Installation manual Operation manual Connection pipes Installation manual Operation manual Connection pipes Clamps Clamps Drawing No TC Notes 1 Indoor temp 27 CDB 19 0 CWB outdoor temp 35
96. 80 415V 50Hz V1 10 220 240V 50Hz General Information 2 SiBE341001 External Appearance 2 External Appearance Outdoor Units 2 1 RQCYQ280 360PY1 RQCEQ280 360PY1 RQYQ140 180PY1 RQEQ140 180 212 1 am ue aaa SW v NV N 10 13 HP I LO 9 cO LO 744 816 848PY1 RQCEQ712 RQCYQ460 500 540PY1 540 636PY1 RQCEQ460 500 a E o eo co 16 18 20 22 General Information SIiBE341001 B Combination of Outdoor Units 3 Combination of Outdoor Units Heat Pump Series System Number of Vn m RQYQ140PY1 RQYQ180PY1 Piping Kit Option ssp q L RN 3 4 e e BHFP22P54C System Number of RQEQ140PY1 RQEQ180PY1 RQEQ212PY1 10HP BHFP26P36C 18HP 28HP 4 _ BHFP26P63C BHFP26P84C iN General Information 4 Model Selection 5 41001 4 Model Selection VRVIII Heat Recovery Series Connectable indoor units number and capacity Heat Pump Series Outdoor unit 3 __ J J TRavatsoPvi RQYQI80PY1 RQYQI80PY1 Total number of connectable Total capacity of connectable indoor units kW 7 0 18 2 9 0 23 4 14 0 36 4 17 8 46 2 22 5 58 5 25 0 65 0 28 0 72 8 Recovery Series 10 13HP 16HP 18HP 20HP 22HP 24HP 26HP 28HP 30HP amsa RQCEQ RQCEQ RQCEQ RQCEQ RQCEQ RQCEQ
97. ABSOLUTE PRESSURE TYPE HEAT EXCHANGER SERVICE PORT FOUR WAY VALVE PRESSURE SWITCH HEAT EXCHANGER PIPE CAPILLARY TUBE HIGH AND LOW PRESSURE GAS CAPILLARY TUBE FOUR WAY VALVE 7 PRESSURE SENSOR HIGH PRESSURE SENPH SUCTION GAS PIPE FILTER CHECK VALVE CAPILLARY TUBE 6 FILTER gt lt 2 SOLENOID HIGH PRESSURE VALVE SWITCH STRAINER CHECK VALVE CAPILLARY STRAINER CHECK VALVE D PRESSURE SENSOR SOLENOID VALVE LOW PRESSURE MIXING UNIT ACCUMULATOR Refrigerant Circuit 30 Refrigerant Flow for Each Operation Mode SiBE341001_B Defrost 1 operation Indoor unit operation ON Heating Indoor unit operation ON Heating Indoor unit operation ON Cooling High temperature Thermostat ON Thermostat OFF high pressure gas Heat exchanger Heat exchanger Heat exchanger 5 High temperature high pressure liquid 5 low pressure Y Fan OFF V Fan OFF Fan ON m Setting i 69 H lt 2 ETE Filter Electronic expansion valve Filter Filter Electronic expansion valve Filter 0 pls 0 pls Normal Low temperature JeBueuoxe jeeu edid ejgnoq jeeu edid jeeu edid
98. BE SOLENOID FOUR WAY VALVE eS OX SENPH PRESSURE SENSOR 5 S HIGH PRESSURE 2 B CHECK VALVE 2 CAPILLARY FOUR WAY 1 X T VALVE EE FILTER x e S E SEXT HIGH PRESSURE SWITCH STRAINER CHECK VALVE HER Ol SEPARATOR CHECK VALVE 2 CAPILLARY COMPRESSOR TUBE CHECK VALVE SENPL PRESSURE SENSOR SOLENOID VALVE pu LOW PRESSURE MIXING UNIT ACCUMULATOR lt Discharge of refrigerant gt Open the solenoid valve Y1S and the electronic expansion valve Y2E when the load of the indoor unit is high and discharge the refrigerant from the refrigerant regulator LIQUID PIPE HIGH AND LOW PRESSURE GAS PIPE SUCTION GAS PIPE Function STOP VALVE WITH SERVICE PORT 7 9 FLARE CONNECTION SOLENOID VALVE STRAINER SOLENOID CHECK m VALVE VALVE ELECTRONIC FILTER EXPANSION REFRIGERANT ELECTRONIC REGULATOR EXPANSION AL VALVE ELECTRONIC EXPANSION FILTER Fan _ PRESSURE REGULATING VALVE HEAT EXCHANGER ABSOLUTE PRESSURE SERVICE PORT SERVICE PORT FOUR WAY VALVE PRESSURE SWITCH HEAT EXCHANGER PIPE NZ CAPILLARY TUBE CAPILLARY TUBE FOUR WAY VALVE 63 OX SENPH PRESSURE SENSOR 5 S HIGH PRESSURE BEEN
99. C Piping between outdoor unit connection piping kits Section B 217 Piping between outdoor unit 2 and refrigerant branch kit part A Choose from the following table in accordance with the outdoor unit system capacity type Note1 Piping size O D Liquid pipe Standard Standard Maximum size Outdoor capacity index Piping between outdoor unit multi connection piping kits part B Choose from the following table in accordance with the total capacity of all the outdoor units connected upstream unit mm Outdoor unit Piping size O D capacity type Suction gas pipe Liquid pipe 280 022 2 360 025 4 Piping between outdoor unit multi connection piping kit and outdoor unit part C Choose from the following table in accordance with the capacity type of the outdoor unit connected unit mm Outdoor capacity Piping size O D Gas pipe Liquid pipe Q140 015 9 Q180 019 1 SiBE341001_B Piping between refrigerant branch kits Choose from the following table in accordance with the total Capacity index of all the indoor units connected below this part D Do not let the connection piping exceed the main refrigerant piping size Unit mm Piping size O D Standard Maximum Standard Maximum 11 2 kW 619 1 11 2 kW lt x lt 22 4 kW a wos 22 4 kW lt x lt 33 0 kW 22 2 0054 9286 127 9159 87 0kW lt
100. CTION SOLENOID VALVE 1 STRAINER pad SOLENOID CHECK VALVE VALVE ELECTRONIC FILTER EXPANSION gt lt SOLENOID VALVE ELECTRONIC EXPANSION REFRIGERANT REGULATOR FILTER SZ ELECTRONIC 5564 EXPANSION LIQUID PIPE FILTER S2 VALVE HEAT EXCHANGER PRESSURE REGULATING VALVE PRESSURE SERVICE PORT PRESSURE SWITCH HEAT EXCHANGER PIPE HIGH AND LOW CAPILLARY TUBE GAS FOUR WAY VALVE SENPH PRESSURE SENSOR m 3 HIGH PRESSURE SUCTION GAS PIPE FILTER CAPILLARY CHECK VALVE 6 FOUR WAY TUBE T VALVE E D SOLENOID HIGH PRESSURE VALVE SWITCH OIL SEPARATOR I ILTER CAPILLARY COMPRESSOR 2 TUBE CHECK VALVE I PRESSURE SENSOR SOLENOID VALVE LOW PRESSURE MIXING UNIT ACCUMULATOR STOP VALVE WITH SERVICE PORT 67 9mm FLARE CONNECTION SOLENOID VALVE _ _ 221 6 5 D i Dq iN SOLENOID CHECK VALVE VALVE ELECTRONIC i FILTER EXPANSIONes gt E SOLENOID VALVE REFRIGERANT ELECTRONIC EXPANSION REGULATOR I 1 i 1 ELECTRONIC EXPANSION LIQUID PIPE FILTER lt VALVE kd PRESSURE REGULATING
101. Causes Troubleshooting Troubleshooting LI RQYQ PY1 RQEQ PY1 Malfunction is detected from the pressure detected by the low pressure sensor When the low pressure sensor is short circuit or open circuit Not less than 1 77MPa or 0 01 and below Defect of low pressure sensor Connection of high pressure sensor with wrong connection Defect of outdoor unit PCB Defective connection of low pressure sensor Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Confirm which low pressure sensor is abnormal using outdoor unit monitor mode Refer to P 106 P 107 1 Set the low pressure gauge upright 2 Connect the checker for VRV to the gauge Are the characteristics of the low pressure sensor normal Make a comparison between the voltage characteristics 41 and the gauge pressure NO Replace the low pressure sensor YES If the PCB pressure detection normal Make a comparison between the checker pressure data and the dB NO Replace the YES Reset the operation and then restart the outdoor unit Are the characteristics of the low pressure sensor normal NO Replace the low pressure sensor YES Replace the main PCB 136 Troubleshooting Remote Controller SiBE341001_B 1 Voltage measurement point Outdoor unit PCB A1P GND Micro computer A D input
102. Controller and Indoor 183 2 40 uF System is not Set yet 186 2 41 Malfunction of System Refrigerant System Address Undefined 187 Part 7 aun RR RR SERE RR ER RR A RC C RERO Rr Rr RD n Rr Rn 1 Piping AG FATA E 206 JU T mU Tc E 206 COUPER 207 2 Wiring Diagrams for Reference 210 221 Outdoor gem 210 2A WBS WM qum miim octets c te tact Gu ea 211 T uu u Du uu 214 3 1 Option Lists Outdoor 214 4 Example of connection R 410A Type 216 Table of Contents SIiBE341001 B Introduction 1 Introduction 1 1 Safety Cautions Cautions and B Be sure to read the following safety cautions before conducting repair work Warnings M The caution items are classified into A Warning and AN Caution The Warning items are especially important since they can lead to death or serious injury if they are not followed closely The Caution items can also lead to serious accidents under some conditions if they are not followed Therefore be sure to observe all the safety caution items described below m About pi
103. Display Applicable RQYQ PY1 Models RQEQ PY1 Method of Malfunction is detected from the current flowing in the power transistor Malfunction Detection Malfunction When an excessive current 59 1A flows in the power transistor Decision Instantaneous overcurrent also causes activation Conditions Supposed m Defect of compressor coil disconnected defective insulation Causes Compressor start up malfunction mechanical lock m Defect of inverter PCB Troubleshooting 142 Troubleshooting Remote Controller Troubleshooting SiBE341001_B sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check if the stop valve is open YES NO Check if the compressor lead wires are normal NO YES Check if the wiring and connection to the compressor are normal YES NO Power OFF Insulation resistance of the compressor is 100 kQ or less YES NO Compressor coils are YES disconnected NO CHECK 4 Check if the power transistor is normal YES NO Failure occurs again after restarting the unit Power ON NO YES Replace the inverter PCB Power OFF Failure occurs again after restarting the unit Power ON NO YES 10181500 Referring to the information on P 192 143 Open the stop valve Replace
104. E 1 EN STRAINER 1 SOLENOID CHECK VALVE VALVE ELECTRONIC EXPANSION 6 FILTER EXPANSI gt S SOLENOID VALVE REFRIGERANT ELECTRONIC EXPANSION VALVE I 1 52 ELECTRONIC Ed EXPANSION LIQUID PIPE FILTER lt VALVE gp D HEAT EXCHANGER PRESSURE REGULATING VALVE ABSOLUTE PRESSURE TYPE SERVICE PORT FOUR WAY VALVE PRESSURE SWITCH HEAT EXCHANGER 1 I HIGH AND LOW CAPILLARY PRESSURE GAS FOUR WAY VALVE PIPE i d SENPH PRESSURE SENSOR S HIGH PRESSURE SUCTION GAS a PIPE 7 CHECK VALVE 1 FOUR WAY TUBE VALVE J FILTER X SOLENOID HIGH PRESSURE VALVE SWITCH STRAINER CHECK VALVE I 1 T STRAINER CHECK VALVE PRESSURE SENSOR S SOLENOID VALVE COW PRESSURE MIXING UNIT ACCUMULATOR STOP VALVE WITH SERVICE PORT 67 9mm FLARE CONNECTION SOLENOID VALVE STRAINER gt lt gt lt 2 ix 25 SOLENOID CHECK I VALVE VALVE ELECTRONIC EXPANSION FILTER EXPANSI D I SOLENOID VALVE REFRIGERANT ELECTRONIC EXPANSION EIER VALVE I 52 ELECTRONIC EXPANSION LIQUID PIPE FILTER S VALVE gt lt PRESSURE REGULATING VALVE ABSOLUTE PRESSURE HEAT EXCHANGER
105. ELECTOR OUT MULTI A B C SELECTOR o ourwum MULTI B CI FI F2j F1 F2 Q1 C2 C H group address No 0 90000 eminal 2 1 2 MASTER SLAVE e Q uM To indoor unit C H group address No 1 00 Terminal C HSELECT SELECT F2 F1 Q1 Q2 O O O O To indoor unit C H group address No 2 00000 Terminal T F ig pq a on 2 OU CHSELECT SELECTOR ee OUT MULTI B 1 2 1 22 01 02 O O 0 L SELECTOR A B C FI F2 F1 F2 Q1 CQ2 o DIP switch To indoor unit e ar we w w w w lt d we w SELECT e CIHSELECT To indoor unit i SLAVE 2 lt OUT To indoor unit ND SLAVE SELECTOR OUT MULTI B C FI F2 F1 F2 Q1 CQ2
106. ENTILATION AIR CLEANING EQUIPMENT MARINE TYPE CONTAINER REFRIGERATION UNITS COMPRESSORS AND VALVES ISO 9001 JQA 1452 Organization DAIKIN INDUSTRIES THAILAND LTD Scope of Registration THE DESIGN DEVELOPMENT AND MANUFACTURE OF AIR CONDITIONERS AND THE COMPONENTS INCLUDING COMPRESSORS USED FOR THEM oRGANIZATIgy 9 SO All of the Daikin Group s business 14001 8 facilities and subsidiaries in Japan Jk M s are certified under the ISO 14001 J k A international standard for e gt environment management am 9 EC99J2044 DAIKIN INDUSTRIES LTD Head Office Umeda Center Bldg 2 4 12 Nakazaki Nishi Kita ku Osaka 530 8323 Japan Tokyo Office JR Shinagawa East Bldg 2 18 1 Konan Minato ku Tokyo 108 0075 Japan http www daikin con global_ac CAII rights reserved e Specifications designs and other content appearing in this brochure are current as of December 2010 but subject to change without notice SIBE341001_B Printed in Japan 12 2010 AK
107. ESSURE SWITCH HEAT EXCHANGER PIPE DAB DABVTUBE c 1 I 54 e CAPILLARY TUBE i FOUR WAY VALVE SENPH PRESSURE SENSOR HIGH PRESSURE SUCTION GAS PIPE i FILTER 7 CHECK VALVE CAPILLARY FOUR WAY S VALVE TUBE TER lt SOLENOID HIGH PRESSURE VALVE SWITCH OIL SEPARATOR 1 I CAPILLARY COMPRESSOR TUBE CHECK VALVE PRESSURE SENSOR GOLENCID VALVE LOW PRESSURE MIXING UNIT I ACCUMULATOR i 1 STOP VAVLE WITH SERVICE PORT 97 9mm FLARE CONNECTION SOLENOID VALVE I gt 2S SOLENOID CHECK VALVE VALVE ELECTRONIC 6 FILTER EXPANSION VALVE b SOLENOID VALVE REFRIGERANT ELECTRONIC REGULATOR EXPANSION 1 52 ELECTRONIC PA EXPANSION LIQUID PIPE FILTER lt VALVE 59 gt lt PRESSURE REGULATING VALVE 7 ABSOLUTE PRESSURE TYPE SERVICE PORT FOUR WAY VALVE i I PRESSURE SWITCH HEAT EXCHANGER PIPE CAPILLARY TUBE 1 I HIGH AND LOW CAPILLARY TUBE PRESSURE GAS FOUR WAY VALVE PIPE SENPH PRESSURE SENSOR gt HIGH PRESSURE SUCTION GAS PIPE FILTER 7 CHECK VALVE SATEEN CAPILLARY D VALVE TUBE ILTER l i HIGH PRESSURE SWITCH OIL SEPARATOR I CAPILLARY i COMPRESSOR TUBE CHECK VALVE 4 PRESSURE SENSOR LOW PRESSURE MIXING UNIT ACCUMULATOR 1 29 Refrigerant Circuit SiBE341001 B Refrigerant Flow for
108. Each Operation Mode Heating oil return operation Indoor unit operation ON Heating Indoor unit operation ON Heating Indoor unit operation OFF Heating High temperature Thermostat ON Thermostat OFF high pressure gas Heat exchanger High temperature x high pressure liquid Low temperature low pressure Fan Fan OFF Setting Fan ON Setting BH Filter Electronic expansion vale Filter Normal Filter Electronic expansion valve Filter 192 pls Filter Electronic expansion valve Filter Forced thermo ON g 1 g ac e x 5 So B D 20 5 I I gs 2 2 m m m m m 5 5 5 5 5 5 5 5 5 5 5 gm Sm asm Sm 8 sm em Sm Lem Sm _ m ud gt 30 530 mae 228 ma8 228 6928 228 28 288 YS cay ses 28 228 28 228 69058 238 538 533 833 8 f Es 924 554 99994 58 934 35 539 T 936 se ss 5503 55 ss 75545 oss 55 s s 43 5 8 lt 5 5 5 5 5 5 5 5 5 m m 9 m 5 5 I 5 1 I 1 1 1 STOP VALVE WITH SERVICE PORT 7 9mm FLARE CONNECTI
109. ING UNIT ACCUMULATOR 33 Refrigerant Circuit SiBE341001 B Function ils 2 Part 4 Function FUNCION Gerieral uuu ucu Sasa 35 1 ODeraluon dModGgosc secius ixi 35 122 OV MAD n T 36 Detailed Control FUNCHONS 37 2 1 UO OC PALO 37 2 2 __ 37 2 9 ROTATION u uu un u R 37 2 4 SAMUS COMMON 38 225 Normal ien T 39 20 Protection a au 47 21 SPECA CONTO 52 34 Function General SIBE341001 1 Function General 11 Operation Mode 2 1 Stop operation Thermostat ON Indoor unit stop If test run has been completed the error code 2 is displayed and the thermostat unit will not operation However this does not apply to test run operation in OFF service mode refrigerant charging operation and pump down operation 2 2 Standby Restart Standby 2 Pressure Indoor unit Crankcase equalization prior stop or Heater Control to startup thermostat OFF Pump down Residual Operation 2 4 Startup control Startup control Cooling startup control Heating startup control Indoor unit th
110. IPE CAB DABVTOBE 1 I 54 10 CAPILLARY FOUR WAY VALVE SENPH PRESSURE SENSOR lt a P4 HIGH PRESSURE SUCTION GAS PIPE FILTER 7 CHECK VALVE CAPILLARY 4 TUBE FILTER gt lt SOLENOID HIGH PRESSURE VALVE SWITCH OIL SEPARATOR 1 I COMPRESSOR TUBE STRAINER CHECK VALVE PRESSURE SENSOR 2 SOLENOID VALVE LOW PRESSURE I MIXING UNIT ACCUMULATOR I a SS 1 STOP VALVE WITH SERVICE PORT 7 9mm FLARE CONNECTION SOLENOID VALVE 2 I D ZS I SOLENOID CHECK VALVE VALVE ELECTRONIC 6 EXPANSION A VALVE A SOLENOID VALVE REFRIGERANT ELECTRONIC REGULATOR EXPANSION 52 ELECTRONIC EXPANSION LIQUID PIPE FILTER lt gt VALVE I 2 I PRESSURE REGULATING VALVE HEAT EXCHANGER 7 ABSOLUTE PRESSURE TYPE SERVICE PORT FOUR WAY VALVE I PRESSURE SWITCH HEAT EXCHANGER PIPE CAPILLARY TUBE PS 1 HIGH AND LOW CAPILLARY TUBE PRESSURE GAS FOUR WAY VALVE PIPE SENPH PRESSURE SENSOR S4 HIGH PRESSURE SUCTION GAS PIPE FILTER CHECK VALVE CAPILLARY G TUBE BE FILTER D SOLENOID HIGH PRESSURE VALVE SWITCH OIL SEPARATOR CAPILLARY TUBE COMPRESSOR STRAINER CHECK VALVE PRESSURE SENSOR LOW PRESSURE gt lt SOLENOID VALVE SENPL MIX
111. NIVIN SATVA NOISNVdX3 OINOH LO313 3914939 dINV1 ONIHSV14 NOLLONS 8nS 3A1VA NOISNVdX3 O9INOH LO313 FEA VSL 1 ASNA ADYVHOSIC ENS AATVA NOISNVdX3 29INOH LO3 T3 32A HOLIMS did esa isa 1009 ans 3A1VA NOISNVdX3 9INOH LO3 13 LINN dev JOULNOO dIHLS INZX WeX LINDHIO Q31NIHd 1 TVNIIWH31L HOOGNI GHVOd LINOYIO HOLOATAS H O dlHLS TWNINHAL v v V p Uu 2 t NEN EN NZX a LINN ie HOOQNI H3AOO OdINOO NO 138V l wNOILNVOAYd HO Z 5 did ONISN NOLLYTTVISNI OL H333H S3OT10J SV SONILLAS LSQ HOLLIMS dId SHOLONGNOD H3ddOO ASN 9 WSX LINN t LINN S8 HO LINN HOOGLNO dSA AEA ACA ALA dSA AEA ACA ALA 69 066 68566 096666 8 ea 19 2 WX YOX VSX
112. Normal factory setting Oeo 000 setting Quick defrost Sequential operation OFF O0060000O ON External low noise demand setting External low noise demand External low noise demand Exte oeeeece Address 09000000 Binary number 1 O00000 oO 6 digits AIRNET address 16 Setting of hot water heater 18 High static pressure setting Additional refrigerant 20 charging operation e 0900000 static pressure setting gt High static pressure setting OR oOeeeeoce Refrigerant charging OFF Oeo 000 Refrigerant charging ON setting Refrigerant 21 recovery vacuuming mode setting Refrigerant recovery vacuuming OFF O eeeeeo Refrigerant recovery vacuuming ON Test Operation 76 Field Setting from Outdoor Unit SiBE341001_B Setting item display C H selection Low Setting condition display Setting item Mee a IND Master Slave H5P Factory set Level 1 outdoor fan with 6 step or lower O e O Level 2 outdoor fan with 5 step or lower O e e Q e Level 3 outdoor fan with 4 step or lower O e e e e O O Level 1 outdoor fan with 6 step or lower O e e e e e Q Level 2 outdoor fan with 5 steporlower O Level 3 outdoor fan with 4 s
113. OL HEAT selection remote controller B For outdoor unit group control set the system Setting of COOL 3 Batch control by outdoor unit group using BATCH MASTER SLAVE while in HEAT selection 1 the indoor unit remote controller Setting mode 1 Then make setting of COOL 4 Batch control by outdoor unit group using HEAT batch address the COOL HEAT selector remote controller Use the External control adaptor for outdoor unit Set to External control adaptor for outdoor 1 Mode 1 Step 6 or lower unit with No 12 of Setting mode 2 and select 2 Mode 2 Step 5 or lower it d 3 Mode 3 Step 4 or lower necessary set the Capacity precedence setting to ON with No 29 A Use external input to step down the upper limit of the fan factory set to Step 8 providing low noise level Setting of low noise B The low noise operation aforementioned is 2 operation 1 enabled in night time automatic low noise AR operation mode Make this setting while in Setting mode 2 Start time Possible to select in the range of Select a mode with 22 of Setting mode 2 20 00 to 24 00 hours Select the start time with No 26 and the end End time Possible to select in the range of time with No 27 06 00 to 08 00 hours If necessary set the Capacity precedence Use the said time as a guide since the start setting to ON with No 29 time and the end time are estimated according to
114. ON SOLENOID VALVE STRAINER gt lt gt SOLENOID CHECK VALVE VALVE ELECTRONIC I FILTER EXPANSION V gt lt SOLENOID ELECTRONIC EXPANSION VALVE REFRIGERANT REGULATOR FILTER ELECTRONIC EXPANSION LIQUID PIPE FILTER lt gt VALVE DK PRESSURE REGULATING VALVE 7 7 ABSOLUTE PRESSURE HEAT EXCHANGER SERVICE PORT FOUR WAY VALVE PRESSURE SWITCH HEAT EXCHANGER PIPE CAPILLARY TUBE HIGH AND LOW CAPILLARY TUBE PRESSURE GAS i FOUR WAY VALVE PIPE d SENPH PRESSURE SENSOR SZ HIGH PRESSURE SUCTION GAS PIPE CHECK VALVE FOUR WAY VALVE J FILTER i SOLENOID HIGH PRESSURE VALVE SWITCH OIL SEPARATOR i STRAINER CHECK VALVE 1 CAPILLARY STRAINER CHECK VALVE gt lt PRESSURE SENSOR SOLENOID VALVE COW PRESSURE I MIXING UNIT ACCUMULATOR is 1 STOP VALVE WITH SERVICE PORT 67 9mm FLARE CONNECTION SOLENOID VALVE _ _ EN D STRAINER D gt lt i gt lt SOLENOID CHECK i VALVE VALVE ELECTRONIC i FILTER EXPANSION a gt lt m SOLENOID REFRIGERANT REGULATOR FILTER lt ELECTRONIC D EXPANSION LIQUID PIPE FILTER D VALVE PRESSURE REGULATING VALVE
115. OO OdINOO 19 19971 3OIAt3S OL H333H HOLIMS LSA ANY 9 1589 ISN OL 9 HOL2313S LVAH 1009 HOSN3S SYNSS3Yd SLA NOILVTIVLSNI HDIH HOSN3S 3Hnssaud SSA AV HH OL H3H3H 24 14 NOISSINSNYYL 1 0 4 14 NOISSINSNVH L HOOGLNO YOOGNI OL NOILOSNNOO S u3auosav 39405 4317143 SION 912 HOLSINYSHL dev OLN HOLOV LNOO Wry HOLdVQV IWNOILdO SHL dO WNANVW NOILVTIVLSNI OL 43434 YOLdVOV SHL 5 N3HA r 3800 3llidti3J 4317143 SION 22 912 1002805 HOLSIINH3H L dEV OLN HOLOV LNOO 9I13NSVN M3HOS H1HV3 3ALLO3 LOHd TVNIINH3LL o HOLO3NNOO 59 1815 IWNINYSL CTT T 3A1VA GION310S S6A Av 13H OLL3NSVNW ONIHIM 013154 AE c XIN 3A IVA AVM P GION310S dev AV T3H OLL3NSVIN LINN YHOOGLNO OL AINO SI IWvHOVIG SIHL L WI dld 3A 1VA AYM v SATWA GION310S N33H5 HO LINOW 30839 dINV11LO1ld SALON
116. Operation is normal if one place of power supply line phase is replaced Reverse phase Counter measure of the problem is completed by phase replacement Heplace the outdoor unit PCB A1P 156 Troubleshooting Remote Controller 2 31 Outdoor Unit Power Supply Insufficient or Instantaneous Failure Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes 157 gt ap I RQYQ PY1 RQEQ PY1 SiBE341001_B Detection of voltage of main circuit capacitor built in the inverter and power supply voltage When the voltage aforementioned is not less than 190V Power supply insufficient Instantaneous power failure Open phase Defect of inverter PCB Defect of outdoor control PCB Faulty compressor Defect of main circuit wiring Faulty fan motor Faulty connection of signal cable Troubleshooting SiBE341001 Troubleshooting Troubleshooting Troubleshooting by Remote Controller Be sure to turn off power switch before connect disconnect connector Caution or parts damage may be occurred Check the condition of the power supply 1 Check if power supply voltage is 380 to 415V 2 Check if there is open phase or faulty wiring 3 Check if power supply voltage side unbalance is with in 6V are problems on the condition of power supply described b YES
117. PIPE FILTER 7 CHECK VALVE FOUR WAY dk 6 H FILTER DK S i SOLENOID VALVE SWITCH STRAINER CHECK VALVE 1 1 STRAINER 6 CHECK VALVE Da PRESSURE SENSOR an SOLENOID VALVE LOW PRESSURE MIXING UNIT ACCUMULATOR 1 STOP VALVE WITH SERVICE PORT 67 9mm FLARE CONNECTION SOLENOID VALVE _ _ o 6 STRAINER DK i pa T i SOLENOID CHECK VALVE VALVE ELECTRONIC FILTER EXPANSION VALVE gt SOLENOID VALVE REFRIGERANT ELECTRONIC REGULATOR EXPANSION VALVE T 1 Z ELECTRONIC Ez EXPANSION LIQUID PIPE FILTER lt VALVE 2 SERVICE PORT PRESSURE SWITCH HEAT EXCHANGER PIPE PS HIGH AND LOW PRESSURE GAS PIPE SUCTION GAS PIPE i SOLENOID VALVE CHECK VALVE gt lt ZS SOLENOID VALVE STRAINER MIXING UNIT ACCUMULATOR lt PRESSURE REGULATING CAPILLARY TUBE ABSOLUTE PRESSURE TYPE FOUR WAY VALVE CAPILLARY TUBE FOUR WAY VALVE SENPH FILTER CHECK VALVE FOUR WAY VALVE EE FILTER HIGH PRESSURE SWITCH STRAINER CHECK VALVE PRESSURE SENSOR LOW PRESSURE PRESSURE SENSOR HIGH PRESSURE HEAT EXCHANGER 27 Refrigerant Circuit SiBE341001 B Refrigerant Flow for Each Operation Mode Cooling oil return operation Indoor unit operation ON Cooling Indoor unit operatio
118. Press the SET button BS2 once 0900000 5 Press the RETURN button 53 twice 2900000 6 Press the button 51 once 000800080 90 Field Setting from Outdoor Unit 91 n order to set the slave unit 2 to operation prohibition mode set No 39 of Setting mode 2 to SLAVE 2 OPERATION PROHIBITION Procedure 1 Press and hold the MODE button BS1 for a period of 5 seconds or more 2 Press the SET button BS2 39 times 3 Press the RETURN button 53 once 4 Press the SET button BS2 twice 5 Press the RETURN button 53 twice 6 Press the MODE button BS1 once n order to set the slave unit 3 to operation prohibition mode set 39 of Setting mode 2 to SLAVE 3 OPERATION PROHIBITION Procedure 1 Press and hold the MODE button BS1 for a period of 5 seconds or more 2 Press the SET button BS2 40 times 3 Press the RETURN button 53 once 4 Press the SET button BS2 once 5 Press the RETURN button 53 twice 6 Press the MODE button BS1 once SiBE341001_B LED display O ON OFF H1P H7P 000000 000000 000000 2000000 000000 Factory set LED display O ON OFF H1P H7P 000000 el L 0000000 000000 000000 00080000 Factory set the case of multi outdoor unit system when the above Inhibition of operation is set
119. Q C YQ Example of connection Example refrigerant branch using joint Example refrigerant branch using REFNET joint and REFNET header Example refrigerant branch using REFNET header Connection of 8 indoor units REFNET header REFNET joint A Qutdoor unit 1 indicate the Outdoor unit multi connection piping kit 2 In case of multi outdoor system re read to the first Outdoor unit multi connection piping kit as seen from the indoor unit Single outdoor system H1 lt j m nb O P SS 3 4 5 Indoor units 1 8 Indoor units 1 8 Indoor units 11 8 Outdoor unit Outdoor unit Outdoor unit x REFNET joint A G ES REFNET header Multi outdoor system EE OM CURES First Outdoor unit multi connection 6 v piping kit Indoor units 1 8 8 Indoor units 1 8 Pipe length outdoor 2 and indoor units lt 120m Between outdoor 2 Example unit 8 a b c d e f g p lt 120m Example unit 6 a b h lt 165m unit 8 a i k lt 120m Example unit 8 a i lt 120m Maximum and indoor units Equivalent pipe length between outdoor 2 and indoor units lt 150m assume equivalent
120. QUID PIPE FILTER D VALVE B AEN gt lt J PRESSURE REGULATING VALVE HEAT EXCHANGER SIII ABSOLUTE PRESSURE SERVICE PORT FOUR WAY VALVE PRESSURE SWITCH HEAT EXCHANGER 1 TUBE 1 1 HIGH AND LOW D4 CAPILLARY TUBE PRESSURE GAS 4 FOUR WAY VALVE SENPH PRESSURE SENSOR SZ HIGH PRESSURE SUCTION GAS PIPE FILTER i CHECK VALVE uni CAPILLARY i ILTER SOLENOID HIGH PRESSURE VALVE SWITCH OIL SEPARATOR 1 T CAPILLARY COMPRESSOR STRAINER CHECK VALVE i gt lt PRESSURE SENSOR gt SOLENOID VALVE LOW PRESSURE MIXING UNIT ACCUMULATOR STOP VALVE WITH SERVICE PORT 07 9mm FLARE CONNECTION SOLENOID VALVE 1 D STRAINER 7 gt lt gt lt SOLENOID CHECK VALVE VALVE ELECTRONIC i 6 EXPANSION FILTER Valve gt x lt 05 SOLENOID VALVE REFRIGERANT ELECTRONIC REGULATOR EXPANSION FILTER 1 52 ELECTRONIC DA EXPANSION LIQUID PIPE FILTER D VALVE MEN gt q PRESSURE REGULATING VALVE HEAT EXCHANGER ABSOLUTE PRESSURE SERVICE PORT PRESSURE SWITCH HEAT EXCHANGER PIPE CAPILLARY TUBE LH 1 I HIGH AND LOW CAPILLARY TUBE PRESSURE GAS FOUR WAY VALVE PIPE PRESSURE SENSOR HIGH PRESSURE SUCTION GAS dE PIPE FILTER 1 1 1 4 I 1 31 Refrigerant Circuit 41001 B
121. R ELECTRONIC c EXPANSION VALVE 09 I FILTER CHECK VALVE FOUR WAY SOLENOID VALVE HIGH PRESSURE SWITCH HPS OIL SEPARATOR CHECK VALVE CAPILLARY COMPRESSOR TUBE CHECK VALVE STRAINER gt SOLENOID VALVE SENPL PRESSURE SENSOR LOW PRESSURE MIXING UNIT ACCUMULATOR 1 WHEN RQYQ140 180PY1 IT IS GAS PIPE 2 WHEN RQYQ140 180PY1 THIS PIPE IS NOT USED Refrigerant Circuit 26 Refrigerant Flow for Each Operation Mode 3 2 RQCEQ280 848PY1 Cooling operation Indoor unit operation ON Cooling High temperature Thermostat ON high pressure gas High temperature high pressure liquid Low temperature low pressure Heat exchanger 1 Indoor unit Fan ON Setting BER Filter Electronic expansion valve Filter Normal SiBE341001_B Indoor unit operation ON Cooling Indoor unit operation OFF Cooling Thermostat OFF Heat exchanger Heat exchanger Fan ON Setting Fan O Filter Electronic expansion valve Filter 005 0 ps Filter Electronic expansion valve Filter JeBueuoxe jeeu edid ajqnoq m m m m 5 5 m sm mas 228 mas 28 981 6228 298 53d i38 8 Wass lt 5 9 5
122. S connection x2 19 1mm C1220T ss connection 3 Drawing No Note 1 In case of connecting with a 20 50 type indoor unit match to the size of field pipe using the attached pipe x2 n case of connecting with indoor unit capacity index 150 or more and 160 or less match to the size of field pipe using the attached pipe 3 case of connecting with a 200 type indoor unit or indoor capacity index more than 160 and less than 200 match to the size of field pipe using the attached pipe Connection between the attached pipe and the field pipe must be brazed BSV4Q100P BSV6Q100P Power Supply 1 Phase 50Hz 220 240V 1 Phase 50Hz 220 240V Total capacity index of connectable indoor Capacity index of connectable indoor units per branch 100 or less No of Connectable Indoor Units Casing Galvanized steel plate Galvanized steel plate Dimensions HxWxD Imm 209x1053x635 209x1577x635 Thermal Insulation Foamed polyurethane Flame resistant needle felt Foamed polyurethane Flame resistant needle felt Indoor Liquid Pipes 9 5mm 1220 brazing connection 1 9 5mm 9 5mm 1220 brazing connection x1 9 5mm 1220 brazing connection x1 connection x1 Unit GasPips Gas Pipes 15 9mm C1220T brazing connection x1 15 9mm C1220T brazing connection x1 CD on Liquid Pipes 12 7mm C1220T brazing connection 15 9mm C1220T brazing connection Outdoor Suction Gas Pipes nit Su
123. T 1 WHEN RQYQ140 180PY1 IT IS GAS PIPE 2 WHEN RQYQ140 180PY1 THIS PIPE IS NOT USED 25 Refrigerant Circuit SiBE341001 B Refrigerant Flow for Each Operation Mode Heating op RE ELECTRONIC c4 EXPANSION LIQUID PIPE FILTER VALVE 9 N gt lt PRESSURE REGULATING VALVE N ABSOLUTE PRESSURE TYPE SERVICE PORT SERVICE PORT FOUR WAY VALVE PRESSURE HEAT EXCHANGER PIPE SWITCH CAPILLARY TUBE HIGH AND LOW P PRESSURE GAS CAPILLARY TUBE PIPE FOUR WAY VALVE SENPH PRESSURE SENSOR HIGH PRESSURE SUCTION GAS PIPE 2 eration High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure Indoor unit operation ON Heating Indoor unit operation OFF Heating Indoor unit operation ON Heating Thermostat ON Thermostat OFF Indoor unit Fan OFF Electronic expansion valve 200 300 pls CN Electronic expansion valve Superheated control Electronic expansion valve 200 300 pls C HH Filter Filter STOP VALVE WITH SERVICE PORT 7 9 FLARE CONNECTION SOLENOID VALVE D STRAINER 6 SOLENOID CHECK VALVE VALVE ELECTRONIC FILTER EXPANSION gt lt SOLENOID VALVE REFRIGERANT REGULATO
124. T 2222 42 242242 22 2151216 s 1 8 alc be ale O DOA E 9101 ojojo mM O epe ojojo c ojojo 9 9 9 9 9 0 0 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 Faulty system e Right hand system Master Left hand 1 Slave 2 o Slave 3 9 9 9 Alsystems System 107 Troubleshooting SiBE341001 B Troubleshooting by Remote Controller To enter the monitor mode push the code MODE 51 button when in Setting Description of malfunction Description of malfunction PGF mode 1 Open phase and unbalanced power Unbalanced INV power supply voltage supply INV radiation fin temperature sensor INV fin thermistor malfunction P4 malfunction Refer to Page 78 for Monitor mode Faulty combination of INV and fan Faulty combination of INV driver Reversed phase Reversed phase malfunction lt Selection of setting item gt Reversed phase malfunction ON Push the SET BS2 button and set Abnormal power supply voltage Insufficient INV voltage the LED display to a setting item INV open phase sin
125. Troubleshooting SiBE341001 B 2 18 42 Troubleshooting by Remote Controller i4 15 Outdoor Unit Malfunction of Outdoor unit Thermistor Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting a LM RQYQ PY1 RQEQ PY1 Malfunction is detected from the temperature by each thermistor When a thermistor disconnection or short circuit occurs during operation m Defect of connection of thermistor B Defect of thermistor m Defect of outdoor unit PCB 132 Troubleshooting Remote Controller Troubleshooting 133 SiBE341001_B Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Caution Is the malfunction 12 code 443 or 1577 There are multiple corresponding thermistors Use the outdoor unit PCB monitor mode to check which thermistor is affected Check the connector connection 1 Is the connection normal Connect the connector correctly Disconnect the thermistor from the outdoor unit PCB and use a tester to measure the resistance value Is the resistance normal 72 Replace the thermistor Replace the outdoor unit PCB 1 Malfunction code details of trouble and electric symbol Malfunction Electric Corresponding
126. VALVE HEAT EXCHANGER 7 ABSOLUTE PRESSURE SERVICE PORT FOUR WAY VALVE PRESSURE SWITCH HEAT EXCHANGER PIPE CAPILLARY TUBE I lt 1 54 HIGH LOW SOLENOID CAPILLARY TUBE PRESSURE GAS FOUR WAY VALVE VALVE PIPE 2 SENPH PRESSURE SENSOR lt HIGH PRESSURE SUCTION GAS Y PIPE i FILTER 7 CHECK VALVE CAPILLARY TUBE gt lt i SOLENOID HIGH PRESSURE VALVE SWITCH OIL SEPARATOR STRAINER CHECK VALVE 1 CAPILLARY CHECK VALVE 24 PRESSURE SENSOR SOLENGID VALVE LOW PRESSURE MIXING UNIT ACCUMULATOR i Refrigerant Circuit 32 Refrigerant Flow for Each Operation Mode SiBE341001_B Simultaneous cooling Heating operation Indoor unit operation ON Cooling Indoor unit operation ON Heating Indoor unit operation ON Heating High temperature Thermostat ON Thermostat ON Thermostat ON Setting o ms EB 2 mm Filter Electronic expansion valve Filter Filter Electronic expansion vave Filter Normal Normal RES Filter Electronic expansion valve Filter Normal high pressure gas aM Heat exchanger exchanger E aM exchanger High temperature high pressure liquid 8 Low temperature low pressure Fan ON Fan ON Fan ON Setting Setting yeay edid lqnoq 1 y
127. address of the external control adaptor for outdoor unit PCB DS1 and DS2 so that it matches the unified cool heat address of outdoor unit main PCB DS2 DSI External Outdoor Outdoor Outdoor Outdoor Outdoor control unit group unit group unit group control unit group unit group adaptor No 0 master No 0 slave No 0 slave No 0 i adaptor No 1 master 1 slave No 1 Er 051 group address oeeeece External Outdoor Outdoor Outdoor x Outdoor Outdoor control unit group unit group unit group 1 control unit group unit group adaptor No 2 master No 2 slave No 2 slave No 2 d adaptor No 3 master No 3 slave No 3 Address Outdoor unit PCB LED External control adaptor for outdoor unit No Set with setting mode 2 DS2 D TO 000 Upper position lower position OFF The shaded part shows knob Test Operation 84 Field Setting from Outdoor Unit SiBE341001_B Set cool heat at all outdoor unit systems simultaneously for each outdoor unit external control adaptor 85 0 by using the centralized remote controller Install the outdoor unit external control adaptor optional accessory onto the outdoor outdoor indoor outdoor or indoor indoor transmission line
128. ake setting of the number of BS units connected to an outdoor unit 3 Number of outdoor units Used to make setting of the number of outdoor units connected to DIII NET that is one of the communication lines 4 Number of BS units Used to make setting of the number of BS units connected to DIII NET that is one of the communication lines Number of terminal units Used to make setting of the number of indoor units connected to DIII NET that is one of the communication lines Only available for VRV indoor units 78 Field Setting from Outdoor Unit SiBE341001_B Setting item 0 Display contents of Number of units for various settings EMG operation backup operation setting Defrost select setting Sw setting RDZ eeeje eo 2 Data such as addresses and number of units is expressed as binary numbers the two ways of expressing are as follows 90006000 16 4 1 32 8 2 16 64 No 12 128 32 9000 0006 4 1 No13 8 2 The No 1 cool heat unified address is expressed as a binary number consisting of the lower 6 digits 0 63 In the address is 010110 binary number which translates to 16 4 2 22 base 10 number In other words the address is 22 The number of terminal blocks for No 12 and 13 is expressed as an 8 digit binary number which is the combination of four upp
129. ation is exercised with the outdoor unit electronic expansion valve EV 1 8 Guideline of superheated degree to judge as wet operation a Suction gas superheated degree Not more than 3 C Discharge gas superheated degree Not more than 15 C except immediately after compressor starts up or is running under drooping control Use the values shown above as a guideline Even if the superheated degree falls in the range the compressor may be normal depending on other conditions 193 Troubleshooting 41001 B Troubleshooting by Remote Controller Check for overcharge of refrigerant In case of VRV Systems the only way to judge as the overcharge of refrigerant is with operating conditions due to the relationship to pressure control and electronic expansion valve control As information for making a judgement refer to information provided below Diagnosis of overcharge of refrigerant 1 High pressure rises Consequently overload control is exercised to cause scant cooling capacity 2 The superheated degree of suction gas lowers or the wet operation is performed Consequently the compressor becomes lower in discharge pipe temperature despite of pressure loads 3 The supercooled degree of condensate rises Consequently in heating operation the temperature of outlet air passing through the supercooled section becomes lower High pressure drooping control n Frequency comes to High pressure the minimum lev
130. ay edid lqnoq m m m m m m m 5 5 5 5 i 5 g z 2 g 5 m om sm sm m em m Em m em 485m 20 20 20 5 20 56 20 3 e 50 28 5 lt 28 29 28 28 9 ag Tag mag 58 Pag ros lt s 255 OD Gos os og os ros lt s og oos Ss pss 69 252 69234 Va 838 35 58 35 35 985 34 99 54 X 382 3 5 835 2 90 3 9 2 lt 2 5 025 z Ves lt 3 5 922 58 55 58 55 55 55 55 55 55 55 55 55 55 55 55 lt lt lt lt lt lt lt lt lt lt 6 S 8 6 5 5 6 STOP VALVE WITH SERVICE PORT 7 9 FLARE CONNECTION SOLENOID VALVE 69 STRAINER gt lt SOLENOID CHECK VALVE VALVE ELECTRONIC EXPANSION FILTER VALVE gt lt SOLENOID VALVE ELECTRONIC EXPANSION VALVE FILTER REFRIGERANT REGULATOR S ELECTRONIC EXPANSION LIQUID PIPE FILTER S VALVE 9 PRESSURE REGULATING VALVE HEAT EXCHANGER ABSOLUTE PRESSURE Fan SERVICE PORT SERVICE PORT FOUR WAY VALVE PR
131. bcool heat exchanger temperature Tsh sensor malfunction R7T sensor malfunction Discharge pressure sensor malfunction Pc sensor malfunction open sensor malfunction Pc sensor malfunction open Pc sensor malfunction short circuited Pc sensor malfunction open _____ sensor malfunction Pc sensor malfunction open _____ Pe sensor malfunction short circuited Faulty IPM Rise in INV radiation fin temperature Overheat of NV radiation fn temperature 14 DC ouput overuren stantaneousovereurent of WV 1 _ Electronic thermal dE thermal 1 Electronic thermal 2 Loss of synchronization Thunder detected Stall prevention increased current Suction pressure sensor malfunction INV PCB malfunction Stall prevention time limit Stall prevention startup failure prevention startup failure Loss of Loss of synchronization INV transmission data malfunction INV transmission malfunction INV transmission malfunction 106 Troubleshooting by Remote Controller SiBE341001_B OFF Malfunction Confirmation of malfunction 1 Check 1 Confirmation of malfunction 2 Check 2 Confirmation of malfunction 3 Check 3 Confirmation of malfunction 4 Check 4 code Bd o NIE c Da DOA DOO QOO QAM 9 I emo c a cse ay be H
132. both for heat exchanger switch and piping switch retain the condition before they were stopped 2 2 Standby 2 2 1 Restart Standby Used to forcedly stop the compressor for a period of 3 minutes in order to prevent the frequent ON OFF of the compressor and equalize the pressure within the refrigerant system In addition the outdoor fan carry out the residual operation for a while to suppress the acceleration of the pressure equalizing and melting of the refrigerant to the evaporator 2 2 2 Crankcase Heater Control In order to prevent the refrigerant from melting in the compressor oil in the stopped mode this mode is used to control the crankcase heater Discharge pipe temperature lt 70 Crankcase heater Crankcase heater OFF ON Discharge pipe temperature gt 75 2 3 Rotation Control 2 3 1 Outdoor Unit Rotation In the case of multi outdoor unit system this outdoor unit rotation is used to prevent the compressor from burning out due to unbalanced oil level between outdoor units Timing of outdoor unit rotation At the beginning of startup control lt System with two outdoor units gt Outdoor Unit 1 Outdoor Unit 2 Priority 1 Priority 2 Priority 2 Priority 1 Priority 1 Priority 2 lt System with three outdoor units gt 1 Outdoor Unit Outdoor Unit2 lt System with four outdoor units gt poe Outdoor Unit 1 Outdoor Unit 2 Outdoor Unit 3 Outdoor Unit 3 Priority 1 Priority 2 Pr
133. ccurred Check if NO the stop valve is Local factor open Open the stop valve YES Check if the NO relay wires to the compressor Replace the connecting wires and are correct ensure right connection of the connector YES Check if the NO connection of UVW phase Ensure correct connection order is correct W YES U Power OFF Check if the NO V wiring is the same as in the electric Ensure correct connection Power ON Power OFF Power ON Power OFF d di 117 Check if the wiring has any error in mistake for inverter compressor wiring diagram YES insulation resistance of the compressor is low not more than 100kW YES compressor coil has disconnection of wires NO and check the operation Check if the condition occurs again YES Check if the start mode is in the high differential pressure not less than 0 5 MP NO YES NO Check 4 Is the power transistor normal NO YES Restart and check if the malfunction occurs again YES Replace the inverter PCB A2P Restart and check if the malfunction occurs again YES NO NO Replace the compressor Conclude the work There is a possibility of defect of pressure equalizing Check the refrigerant circuit Defect of pressure equalizing Check the refrigerant circuit Replace the inverter PCB A2P Continue the operati
134. ch 1 Faulty control characteristics normal Faulty indoor unit lt Is the connector correctly connected liquid pipe thermistor Are the thermistor resistance characteristics normal Faulty control of Faulty control PCB Faulty outdoor Faulty valve coil lt Does the valve coil have normal unit electronic resistance and insulation expansion valve Faulty valve body Refer to information in the Check 11 section Outdoor unit electronic expansion valve opens too much 2 Faulty power pressure sensor lt Are the voltage characteristics normal Faulty suction pipe thermistor Is the connector correctly connected Does the thermistor have normal resistance characteristics Is the pressure reading of the service checker corresponding to the actual measurement of the sensor Dirty evaporator Does the heat exchanger get clogged the fan motor be rotated by Degraded eem Faulty fan motor ence evaporation fan output Does the fan motor coil have capacity alee normal resistance and Faulty control PCB insulation Reduced including faulty air quantity Capacity setting Xe X Faulty control Dirty filter lt Does the air filter get clogged Obstacles lt Are there any obstacles in the air passage 1 Superheated degree control in cooling operation is exercised with the indoor unit electronic expansion valve 2 Superheated degree control in heating oper
135. compressor lead wires Correct the wiring and connection Replace the inverter compressor Replace the inverter compressor Replace the inverter PCB Continue the operation Momentary power failure is possible Continue the operation Replace the inverter compressor Troubleshooting SiBE341001 B Troubleshooting by Remote Controller 2 24 5 Outdoor Unit Momentary Overcurrent of Inverter Compressor 1 Controller Display Applicable RQYQ PY1 Models RQEQ PY1 Method of Malfunction is detected from the current flowing in the power transistor Malfunction Detection Malfunction When the inverter secondary current value is below Decision 1 33 5A and over continues for 5 seconds Conditions 2 27 6A and over continues for 260 seconds Supposed Compressor overload Causes Compressor coil disconnected Troubleshooting Defect of wiring or connection to the compressor Defect of inverter PCB 144 Troubleshooting Remote Controller Troubleshooting Output current check Caution Power OFF SiBE341001_B Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Check if the stop valve is open YES NO Check if the compressor lead wires are normal NO YES Check if the wiring and connection to the compressor are normal YES NO Insulation resistance of
136. connectors YES Is the type of the inverter PCB correct NO Replace it with a correct PCB YES The INV compressor has insulation resistance of not more than 100kQ NO YES Replace the INV compressor M1C The fan motor has insulation resistance of not more than 1MQ YES Replace the fan motor NO The micro computer normal monitor green of the main PCB A1P is blinking NO Not the LC malfunction Check the malfunction code again YES The micro computer normal monitor green of the inverter PCB A3P is blinking NO Replace the inverter YES YES The LC malfunction 5 Replace the main PCB A1P NO Continue the operation It is supposed that the malfunction results from causes such as instantaneous power failure 1 Disconnect the connector once then reconnect it and check that it is securely connected Troubleshooting 150 Troubleshooting by Remote Controller SiBE341001_B 2 27 Outdoor Unit Inverter Over Ripple Protection Remote Controller Display Applicable RQYQ PY1 Models RQEQ PY1 Method of Imbalance in supply voltage is detected in PCB Malfunction Detection Malfunction When the amplitude of the ripple exceeding 6V is detected Decision Malfunction is not decided while the unit operation is continued Conditions will be displayed by
137. ction Gas Suction Gas Pipes 28 6mm C1220T brazing connection 28 6mm C1220T brazing connection HP LP Gas Pipes Gas HP LP Gas Pipes 19 1mm C1220T connection 28 6mm C1220T EE connection manual Attached pipe a manual Attached pipe Standard Accessories Insulation pipe cover Clamps Insulation pipe cover Clamps Drawing No C 4D064131A C 4D064132A Note 1 In case of connecting with a 20 50 type indoor unit match to the size of field pipe using the attached pipe Specifications 16 Specifications SiBE341001_B Connection Range for BS Unit OU Total capacity a CODE indoor Number of indoor Note Values inside brackets are based on connection of indoor units rated at maximum capacity 200 from single outdoor units 160 from double outdoor units 130 from triple outdoor units 17 Specifications SiBE341001 B Refrigerant Circuit Part 3 Refrigerant Circuit m E 19 1 1 RQYQ140 180PY1 RQEQ140 212PY1 19 1 2 Dil 21 Bunclional Parts Du aga 23 2 1 0140 180 1 RQEQ140 212 23 Refrigerant Flow for Each Operation 24 9d ROYQOI40 T asina mama anu s 24 92
138. ction to perform additional refrigerant charging during check operation not a Make the check operation by 1 2 Check Operation malfunction If any malfunction codes other than the above are displayed check the service manual for how to respond 67 Test Operation SiBE341001 Test Operation 1 3 Checking in Normal Operation m After check operation ends start normal operation Heating is not possible if the outdoor temperature is 24 C or higher e Check that the indoor and outdoor units are operating correctly If any abnormal noise occurs due to liquid compression the compressor or another cause stop operation immediately Then energize the crankcase heater for a sufficient period of time before restarting operation Start the indoor units one by one Verify that the corresponding outdoor unit is operating Verify that cool air or warm air is being discharged by the indoor unit e Press the airflow direction button and airflow rate button of the indoor unit and verify their operation Important information when checking normal operation f any abnormal noise occurs due to liquid compression in the compressor or another cause stop operation immediately Then energize the crankcase heater for a sufficient period of time before restarting operation For approximately 5 minutes after the compressor is stopped the compressor will not start even when the START STOP buttons at indoor units in that
139. ctograms This symbol indicates item for which caution must exercised The pictogram shows the item to which attention must be paid This symbol indicates a prohibited action The prohibited item or action is shown inside or near the symbol This symbol indicates action that must taken or instruction The instruction is shown inside or near the symbol m Afterthe 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 111 Caution in Repair Be sure to disconnect the power cable plug from the plug socket before disassembling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shock If it is necessary to supply power to the equipment to conduct the repair 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 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 ref
140. d of Malfunction Detection Malfunction Decision Conditions Supposed Causes 127 BSVQ100 250P RQEQ PY1 This malfunction is detected by whether not all coils of the electronic expansion valve have continuity When the power supply turns ON there is no currents pass through the common COM Connector disconnected from the electronic expansion valve m Faulty of the electronic expansion valve coil m Faulty PCB of the BS unit Troubleshooting SiBE341001_B 41001 B Troubleshooting by Remote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage be occurred Turn OFF the power supply once and then ON again Return to normal MES External factor other than malfunction for example noise etc While in monitor mode identify an electronic expansion valve subject to the Malfunction Code 5 For checking procedure refer to information on P 106 P 107 O When Confirmation of malfunction 4 is set as shown below Confirmation of malfunction 3 Confirmation of malfunction 4 I9 O e e e e eio o o o 9 Electronic expansion valve O e e e 6 0 O O 9 Electronic expansion valve l9 O e e 90 O O 0 99 Electronic expansion valve 2 O e e e 0 0 O O 9 Electronic expansion valve e e e 0 0 O
141. d with outdoor air temperature Pe SH Evaporator outlet superheated degres 000 age evaporator outer superheated degree SVL Y28 Soenovave Refigeranegdatoriqudpip lt E cM CHEN w SHS ow pressure equivalent saturation temperature 2 Temperature of liquid pipe between outdoor unit heat exchanger main electronic expansion valve R1T A3P Radiation fin temperature Heat exchanger gas pipe temperature R6T Temperature of liquid pipe between main electronic expansion valve and subcooling heat exchanger Suction pipe temperature Temperature of liquid pipe Temperature of gas pipe detected with the subcooling heat exchanger outlet thermistor Function 36 Detailed Control Functions 5 41001 2 Detailed Control Functions 21 Stop Operation 211 Stop due to Malfunction In order to protect compressors if any of the abnormal state occurs the system will make stop with thermostat and the malfunction will be determined according to the number of retry times Refer to Malfunction code list P 107 of the troubleshooting for the items to determine the malfunction Operation to determine the malfunction Stop the system and malfunction code is displayed on the remote controller 2 1 2 When System is in Stop Mode Stop both the master and slave units The four way valves
142. de the inverter PCB while the compressor is running Power supply voltage imbalance Even if the power supply voltage is not unbalanced when measuring it there are many cases where it gets unbalanced during nighttime around 6 00PM to 10 00PM measure Replace the inverter PCB Explanation for users accordance with notification of inspection results accompanying spare parts Give the user a copy of notification of inspection results and leave it up to him to improve the imbalance Be sure to explain to the user that there is a power supply imbalance for which DAIKIN is not responsible 152 Troubleshooting by Remote Controller SiBE341001_B 2 28 Outdoor Unit Malfunction of Inverter Radiating Fin Temperature Rise Sensor gt w Remote Controller Display Applicable RQYQ PY1 Models RQEQ PY1 Method of Resistance of radiation fin thermistor is detected when the compressor is not operating Malfunction Detection Malfunction When the resistance value of thermistor becomes a value equivalent to open or short circuited Decision status Conditions Malfunction is not decided while the unit operation is continued will be displayed by pressing the inspection button Supposed Defect of radiation fin thermistor Causes Defect of inverter PCB Faulty inverter compressor Faulty fan motor Troubleshooting Be sure to turn off power switch before connect or disconnect connector Cautio
143. door mult Check if the wiring is broken or disconnected NO Replace the main PCB A1P of the outdoor unit Diagnosis Flow 7 Confirmation of malfunction 3 Confirmation of malfunction 4 In the connection status of the outdoor multi check if more than 5 outdoor units are connected Correct the connecting wires of the outdoor multi and then reset the power supply Replace the main PCB A1P of the outdoor unit Diagnosis Flow 8 Confirmation of malfunction 3 Confirmation of malfunction 4 Oooceeeoeoooeooo Check the connection status of the connecting wires of outdoor multi to SLAVE 3 Check the wiring has any connection error or broken or is about to be disconnected Correct the connecting wires of the outdoor multi and then reset the power supply Replace the outdoor unit main PCB of the SLAVE 3 Troubleshooting 170 Troubleshooting Remote Controller Troubleshooting 171 SiBE341001_B sure to turn off power switch before connect disconnect connector Caution or parts damage may be occurred Diagnosis Flow 9 Confirmation of malfunction 3 Confirmation of malfunction 4 Is there any wrong connection between indoor and outdoor between indoor and indoor and on the outdoor multi YES NO Is the connection capacity of the indoor unit below the specified lev
144. door unit multi connection piping kit Outdoor 2 Indoor Outdoor unit unit side BS Unit unit side 1 Piping from outdoor unit to BS unit Suction gas pipe Bold 3 pipes HP LP gas pipe sin Liquid pipe outdoor lt 2 Outdoor unit Outdoor unit system I REFNET header gt gt 2 Piping BS unit to indoor unit or RQCEQ B3 Bal ETE B1 B2 g d e K Piping from Refrigerant branch kit to nid AL x B2 B3 indoor unit used as cooling only SE h Thin 2 pipes Suction gas pipe 21 ie Liquid pipe 7 LE a Indoor unit Cool Heat selection possible 4 Z 8 Indoor unit Cool Heat selection possible Indoor unit Cool Heat selection possible 2 In case of multi system re read Indoor unit Cooling only 6 Indoor unit Cooling only Indoor unit Cooling only outdoor unit to the first Outdoor unit multi connection piping kit as seen from the indoor unit y lt Actual pipe Pipe length between outdoor unit 2 and indoor unit lt 120m length Example
145. e Circuit of oil return Four way valve Heat exchanger Four way valve Dual pressure gas Four way valve Mixing unit Solenoid valve Mixing unit inlet e 5 min passed e 3 min passed e Pe_min lt 0 49MPa e Pe lt 0 25 Ending condition e Pc_max gt 2 94MPa e Pc gt 3 13 e Master unit Tdi gt 110 C e Master unit Tdi gt 1109 e Master unit Tp 125 C e Master unit gt 140 C Function 52 Detailed Control Functions 5 41001 2 7 2 Cooling 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 Start conditions Referring to the set conditions for the following items start the oil return operation in cooling e 2 hours after initial power ON A lapse of every 1 2 hours during low load operation A lapse of every 8 hours during high load operation System frequency in oil return IN X 0 8 then constant control under low pressure When a unit has been stopped 52Hz for all units Outdoor unit fan Fan control in normal cooling Electronic expansion valve Main 480 pls Electronic expansion valve Refrigerant charge Y Electronic expansion valve Subsooling 2E 3E Solenoid valve Refrigerant regulator m Solenoid valve Refrigerant regulator Solenoid valve Refrigerant regulator gas vent pipe OFF Solenoid valve Hot gas Soleno
146. e low pressure Indoor unit operation ON Cooling Indoor unit operation OFF Cooling Indoor unit operation ON Cooling Thermostat ON Thermostat OFF Indoor unit Fan ON Fan OFF Fan ON Electronic expansion valve 224 pls ERR Filter Electronic expansion valve Superheated control Filter Electronic expansion valve 224 pls CN Filter Filter STOP VALVE WITH SERVICE PORT 7 9mm FLARE CONNECTION SOLENOID VALVE i 67 STRAINER 6 bX SOLENOID CHECK VALVE VALVE ELECTRONIC FILTER EXPANSION VALV gt SOLENOID VALVE REFRIGERANT REGULATOR ELECTRONIC EXPANSION FILTER BEN ELECTRONIC EXPANSION LIQUID PIPE FILTER VALVE DE gt PRESSURE REGULATING VALVE ABSOLUTE PRESSURE TYPE HEAT EXCHANGER SERVICE PORT SERVICE PORT FOUR WAY VALVE PRESSURE HEAT EXCHANGER PIPE SWITCH CAPILLARY TUBE HIGH AND LOW PRESSURE GAS CAPILLARY TUBE 1 FOUR WAY VALVE SENPH PRESSURE SENSOR SZ HIGH PRESSURE SUCTION GAS 2 FILTER CHECK VALVE FOUR WAY 6 VALVE LTER gt lt SOLENOID VALVE HIGH PRESSURE SWITCH VALVE STRAINER D CHECK VALVE PRESSURE SENSOR LOW PRESSURE SOLENOID ACCUMULATOR MIXING UNI
147. e Malfunction code is displayed on the remote controller check the malfunction code No Defect determined ON Properly completed H2P OFF 65 Test Operation SiBE341001 B LED indications OFF BLINK MODE HWL L NO P DEMAND MASTER SLAVE LED indications to connect the refrigerant tank LED indications to open the valve of refrigerant pT a LED indications as re charging amount of refrigerant is not sufficient 71 Please refer to Remote controller indications at check operation to confirm the details of each indication 2 If outside panels not closed it may not be able to operate normally when outdoor temperature is high etc 3 Remote controller does not indicate the procedures Make sure to check the LED indications upon operation 4 Record the amount of refrigerant re charge on the Safety precaution label Test Operation Test Operation indications on Functions of remote controller e ie e Press to reset the address when changing the wiring or indoor units are added Use for a check operation Press to confirm the settings To cancel test operation _ To go back to procedure 1 after repair of defect part cancellation of error code Press to select setting items Press to change setting modes Press to go back to procedure 1 when missing the procedures
148. e control As information for making a judgement refer to information provided below Diagnosis of shortage of refrigerant 1 The superheated degree of suction gas rises Consequently the compressor discharge gas temperature becomes higher 2 The superheated degree of suction gas rises Consequently the electronic expansion valve turns open 3 Low pressure drops to cause the unit not to demonstrate cooling capacity heating capacity The opening degree of the indoor unit Fan control is activated for high electronic expansion valve becomes larger pressure protection under cooling control at low outdoor Either of the electronic expansion temperature i e the fan is valves becomes fully open hunting at high pressure Frequency comes to the minimum level High pressure High pressure drops with decrease in compressor capacity Low pressure is maintained at a constant level Low pressure Low pressure rises as the opening degree of the indoor unit electronic expansion valve If frequency comes to the minimum level low pressure cannot be maintained slightly increases under the capacity control Frequency I I I I i becomes larger Frequency I I I I I I I To maintain low pressure frequency drops due to the capacity control The opening degree of the outdoor unit electronic expansion valve becomes larger The outdoor unit electronic expansi
149. e of the below directions 1 Replace with other installation worker 2 Push the RETURN button BS3 to cancel the test operation In this case close all the outside panel and close also the valve if any cylinder is connected 66 Test Operation SiBE341001_B Remote controller displays malfunction code Malfunction Installation error Remedial action _ Indoor unit of connecting remote controller is Correct the malfunction by reference to installation manual Note malfunction of indoor unit or operation manual of outdoor unit E EE The stop valve of the outdoor unit is left closed the stop valve 1 The phases of the power to the outdoor unit are Exchange two of the three phases L1 L2 L3 and connect reversed with the correct phase US Check operation has been completed normally _ Perform the check operation again U1 ae Power is not being supplied including cases of open phase to the outdoor BS indoor unit Supply power correctly to the outdoor BS or indoor unit U U U L A model which cannot be connected in a multi ee U Pr Change to individual piping and disconnect the wiring from U outdoor unit system has been connected a multi hk multi outdoor unit terminals Q1 Q2 U P P P outdoor unit system Correct the trouble at the corresponding BS and indoor unit If no malfunction code is displayed on the remote controller press the Insp
150. e the waveform of inverter is output without wiring to the compressor it is convenient to probe whether the trouble disconnection of comes from the compressor or PCB compressor wires Capacity If the er pees the low noise control is 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 input Effective to prevent a problem that circuit breaker of small capacity is shut down due to large load Normal demand setting N NO cO Field Setting from Outdoor Unit SiBE341001_B Seting tem __ Setingofdiferencs Make the setting when the outdoor unit is installed 40 m outdoor unit or more below the indoor unit Emergency operation Setting for the master unit operation prohibition in multi outdoor unit system Emergency operation Used to temporarily prohibit the applicable outdoor unit Setting for the Save utdanni from operating should there be any faulty part in multi outdoor unit system Since the comfortable environment operation prohibition in multi outdoor unit system is extremely impaired prompt replacement of the part is required Emergency operation Setting for the slave unit 3 operation prohibition in multi outdoor unit system Master s
151. eating operation it is used to subcooling liquid refrigerants when an indoor unit downstream of this BS unit is in heating operation LET Electronic expansion valve EVHS ES Opens while in heating operation or all indoor units are in cooling operation EN Electronic expansion valve EVLS Opens while in cooling operation 4 Electronic expansion valve EVH EN Opens while in heating operation or all indoor units are in cooling operation 5 Electronic expansion valve Y5E Opens while in cooling operation tube Used to bypass high pressure gas to low pressure side to protect Refrigerant accumulation in high and low pressure gas pipes Double pipe heat exchanger In simultaneous cooling and heating operation it is used to subcooling liquid refrigerants when an indoor unit downstream of this BS unit is in heating operation e BSVQ100 250P Liquid pipe Liquid pipe connection port SS SS Se connection port Electronic Double pipe heat Expansion Valve d iria Filter x Electronic Gas pipe Expansion Valve connection port Electronic Expansion Valve HP LP gas pipe connection port Filter i Suction gas pipe connection port Filter Electronic Expansion Valve Expansion Valve x 40057985 21 Refrigerant Circuit Refrigerant connection port Liqid pipe HP LP gas pipe conn
152. eay edid uoisuedx3 Sluono l3 yeay edid ajqnog m m m m m m m m m m 5 5 5 5 5 x 5 5 5 5 Sc ase Bg 55 DER sm ase 85 mas 9 mse 29 9 8 L8 m 258 28 8 25 22 8 mas Zag 4 228 28 158 Dag 455 2 595 545 88 8 22 609095 58 bess 692555 Qis 28 609265 95 298 09 55 99255 21 5 2 5 gt lt 922 28 2 2 lt 9023 5 93 lt 973 5 9 55 ao 55 55 go 55 55 a6 So 55 So lt lt lt lt lt lt lt lt lt lt lt lt 5 5 5 5 5 5 6 5 5 5 5 8 5 5 5 5 19114 LEN 1 T STOP VALVE WITH SERVICE PORT 7 9 FLARE CONNECTION SOLENOID VALVE STRAINER i gt lt 25 SOLENOID CHECK VALVE ELECTRONIC EXPANSION DK 25 SOLENOID REFRIGERANT ELECTRONIC REGULATOR EXPANSION VALVE sz ELECTRONIC EXPANSION LIQUID PIPE FILTER VALVE Q9 PRESSURE REGULATING VALVE HEAT EXCHANGER ABSOLUTE PRESSURE TYPE Fan SERVICE PORT SERVICE PORT FOUR WAY VALVE PRESSURE SWITCH HEAT EXCHANGER P
153. ecks for pipe conditions Bent or crashed pipe lt 15 there any temperature difference caused before and after the filter branch pipe Stop valve closed lt Check to be sure the stop valve is open Inadequate refrigerant quantity Moisture choke lt Eliminate moisture by vacuum operation Diriy evaporator lt Is the heat exchanger clogged Faulty fan motor fan motor lt Can the fan motor be rotated with hands temperature of indoor unit Low suction In heating Degradation in condensing capacity Are the motor coil resistance and insulation normal fad control PCB lt If a spare PCB is mounted is the Including capacity setting capacity setting properly made Dirty fitter filter Is the air filter clogged Obstacle lt Is there any obstacle the air passage 1 For details of the compressor capacity control while in cooling refer to Compressor PI Control 2 The low pressure protection control includes low pressure protection control and hot gas bypass control 8 In cooling the indoor unit electronic expansion valve is used for superheated degree control 4 In heating the outdoor unit electronic expansion valve EVM is used for superheated degree control of outdoor unit heat exchanger Troubleshooting 190 Troubleshooting Remote Controller SiBE341001_B 3 Check the Factors of Overheat Operation Identify the defective points refe
154. ection Test button on the remote controller to display the malfunction code U Wrong wiring between units dee refrigerant system and connection wire between the If an outdoor outdoor transmission wire was TE x U connected or disconnected during check s e ALL ul wiring work then perform check operation P gam Connect the interunit wiring indoor outdoor outdoor outdoor multi outdoor unit UA U7 If voltage of 100V or higher was applied to the outdoor unit UH UF Wrong wiring between units PCB A1P the outdoor unit PCB or BS unit PCB may be within the same system A malfunction code is displayed on the remote controller or else trouble has occurred at BS and indoor unit where a There is a problem with another BS and indoor unit malfunction code is not displayed on the remote controller 3 4 C 7 9 F F J 2 8 A damaged If the malfunction display UH appears even after the connection was corrected the PCB must be replaced Refer to Service Manual for details DIP switch DS1 setting is incorrect after the Follow the information on spare parts with a spare PCB of outdoor unit PCB A1P was replaced outdoor unit and make the correct setting Check the following All stop valves are open Check operation cannot be continued by the low Refrigerant tank is connected pressure drops Valve of refrigerant tank is open e Inlet or outlet of indoor unit are not closed due to a foreign object Instru
155. ection port Suction gas pipe connection port SiBE341001_B e BSV4Q100P A3 30064148 143 U0ISUPdX3 1 uosuedx3 9lu01o9 3 we E fale ISUedX3 1401995 dx ou I una aux ISuedx3 1894 edid ejqnoq lt gt 19114 supa A Z uoisuedx3 2004091 Q 7 even 9 5 240429 Z 5 Q E 2 1 ge y y edid lqnoq uolsuedx3 20042914 35 eH ESTE lt 2 5 SS 5 SHAa 2 143 uorsuedx 91104993 85 endeo 9 I s y edid lqnoq So 05 8 9113 uoisUedx3 909 uoisuedx3 L s HA3 ie tie 19114 uoIsuedx oiu SA uoisuedx3 31u0109 3 SHA3 9NEA 1 1 d uoisuedx3 91104993 TL ISUedx3 21049813 5 a sung eO luoisuedx3 V os Ide T 85 ideo 9 1 1 d 95 3 edid ae 4 og yeay edid jqnoq uoisuedx3 21029 3 ____ lt gt 143 S ISUedX3 911049913 os uojsuedx3
156. ectronic expansion 0 pls STOP VALVE WITH SERVICE PORT 67 9mm FLARE CONNECTION SOLENOID VALVE _ 6 STRAINER PX SOLENOID CHECK VALVE ELECTRONIC EXPANSION FITER PAVE lt D SOLENOID VALVE REFRIGERANT REGULATOR ELECTRONIC EXPANSION VALVE p ELECTRONIC EXPANSION LIQUID PIPE FILTER lt 05 PRESSURE REGULATING VALVE ABSOLUT PRESSURE SERVICE PORT SERVICE PORT FOUR WAY VALVE PRESSURE HEAT EXCHANGER PIPE SWITCH CAPILLARY TUBE PS nd CAPILLARY TUBE PIPE FOUR WAY VALVE PRESSURE SENSOR HIGH PRESSURE SUCTION GAS PIPE 2 FILTER EE CHECK VALVE FILTER SOLENOID VALVE HIGH PRESSURE SWITCH HPS OIL SEPARATOR CHECK VALVE CAPILLARY TUBE STRAINER CHECK VALVE gt SENPL PRESSURE SENSOR LOW PRESSURE SOLENOID VALVE MIXING UNIT ACCUMULATOR 1 WHEN RQYQ140 180PY1 IT IS GAS PIPE 2 WHEN RQYQ140 180PY1 THIS PIPE IS NOT USED Refrigerant Circuit 24 Refrigerant Flow for Each Operation Mode SiBE341001_B Cooling oil return Heating oil return Defrost operation High temperature high pressure gas High temperature high pressure liquid Low temperatur
157. el gradually rises with Increase in frequency Supercooled degree becomes higher Liquid connection pipe temperature lowers High pressure Low pressure is imaintained at Low pressure aconstant level Low pressure rises due to reduced compressor output Frequency To maintain low pressure frequency increases under the capacity control The outdoor unit electronic expansion valve is closed due to Heating the overload control Frequency comes to the minimum level High pressure is maintained at a constant level I High pressure High pressure drops rises immediately after the overload control is complete Low pressure Low pressure rises due to reduced frequency Low pressure drops due to closed outdoor unit electronic expansion valve Frequency for low pressure protection i e hunting at low pressure I Hot gas bypass is activated I I To maintain high pressure frequency reduces under the capacity control Degree of overcharge Proper quantity lt Higher degree of overcharge Troubleshooting 194 Troubleshooting by Remote Controller SiBE341001_B 61150 Check for shortage of refrigerant In case of VRV Systems the only way to judge as the shortage of refrigerant is with operating conditions due to the relationship to pressure control and electronic expansion valv
158. el NO YES Diagnosis Flow 10 Confirmation of malfunction 3 Confirmation of malfunction 4 900009099000999 Check if any disconnection or connection error is detected in connecting wires with external control adaptor forunit NO YES Is the normal operation monitor LED on the BS PCB blinking NO YES Check if the normal condition monitor LED for the external control adaptor for outdoor unit blinks NO YES Is the power supplied the power supply wire for the external control adaptor for outdoor unit is connected to Correct the connection wiring and reset the power Check the connection capacity of the indoor unit Replace the outdoor unit PCB Correct the connecting wiring with the external control adaptor for outdoor unit Turn on the power of BS Replace the BS unit PCB Connect the power supply wire for the external control adaptor for outdoor unit to 5V supply line Replace the PCB of the external control adaptor for outdoor unit Replace the BS unit PCB Troubleshooting SiBE341001 B 2 35 Troubleshooting by Remote Controller 5 Indoor Unit Malfunction of Transmission between Main and Sub Remote Controllers Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting e e
159. ependently use the schedule timer insert an independent use setting connector No independent use setting connector has been mounted the factory Insert the connector which is attached to the casing of the main unit in the PCB CN1 X14 Independent use connector Master unit central setting connector To use two or more centralized controller in combination make settings according to the table shown below Setting of master unit central setting connector 2 Unified ON OFF controller Centralized controller connection pattern Centralized remote controller VA intelligent Touch Controller Schedule timer single unit Provided provided HIND All Not single unit provided Provided units units Lae 22 provided Only a single unit Provided Others Not provided All Not provided provided Not provided Only a single unit Provided Others Not provided Not provided The intelligent Touch Controller and the schedule timer are not available for combined use The intelligent Touch Controller centralized remote controller and the unified ON OFF controller have been set to Provided with the master unit central setting connector at the factory The schedule timer has been set to Not provided with the master unit central setting connector at the factory which is attached to the casing of the main unit Troubleshooting 41001
160. er and four lower digits for 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 79 Test Operation SiBE341001 Field Setting from Outdoor Unit 2 1 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 controller Set cool heat separately for each outdoor unit system by cool heat selector Set cool heat for more than one outdoor unit system simultaneously in accordance with unified master outdoor unit by indoor unit remote controller Set cool heat for more than one outdoor unit system simultaneously in accordance with unified master outdoor unit by cool heat switching remote controller Set cool heat at all outdoor unit systems simultaneously for each outdoor unit external control adaptor by using the centralized remote controller Set Cool Heat Separately for Each Outdoor Unit System by Indoor Unit Remote Controller It does not matter whether not there is outdoor outdoor unit wiring Set outdoor unit PCB DS1 1 to IN factory set Set cool heat switching to IND individual for Setting mode 1 factory se
161. erating pressure 3 3MPa Reset pressure 2 5MPa Supposed Actuation of outdoor unit high pressure switch S1PH or pressure switch S2P Causes Defect of high pressure switch S1PH or pressure switch S2P Troubleshooting Defect of outdoor unit main PCB A1P Instantaneous power failure Faulty high pressure sensor 112 Troubleshooting Remote Controller SiBE341001_B Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage be occurred Check for the points shown below 1 Are the high pressure switch S1PH and pressure switch S2P connector properly connected to the main PCB 2 Do the high pressure switch S1PH and pressure switch S2P have continuity Are the two points NO Rectify defective points above OK if YES 1 Mount a pressure gauge on the high pressure service port and high and low pressure gas stop valve service port 2 Reset the operation using the remote controller and then restart the operation ls the high pressure pressure switch gt NO due to malfunction S2P operating value PH nea Replace the high E3 recur normal 4 0 pressure switch S1PH 3 3MPa and pressure switch S2P Are the characteristics of the high pressure sensor normal See 71 NO Replace the high pressure sensor YES Serv
162. eration mode When the low noise operation is carried out automatically at night The external control adaptor for outdoor unit is not required 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 If necessary while in Setting mode 2 select the setting condition i e 20 00 22 00 or 24 00 for set item No 26 Setting of start time of nighttime low noise operation Use the start time as a guide since it is estimated according to outdoor temperatures 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 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 nighttime Test Operation SiBE341001 B Field Setting from Outdoor Unit 2 1 5 Setting of Demand Operation By connecting the external contact input to the demand input of the outdoor unit external control adaptor optional the power consumption of unit operation can be saved suppressing the compressor operating condit
163. ermostat ON Indoor unit stop or thermostat 2 5 Normal Operation OFF 1 List of Functions in Normal Operation Rotation 2 Compressor PI Control 3 Compressor Step Control 4 Electronic Expansion Valve Control 5 Step Control of Indoor unit Outdoor Unit Fans stop or 6 Heat Exchanger thermostat Control OFF 7 Control of Refrigerant 2 7 Special Control Amount LUE Oil return IN Yes conditions are met 2 6 Protection Control 1 High Pressure No Protection Control 2 Low Pressure Protection Control 3 Discharge Pipe Protection Control 4 Inverter Protection Control Defrost IN conditions are met Yes Cooling Heating No 35 1 Oil return Operation 2 Defrost Operation Retry This function does not used Yes because there is no heating operation Function SIiBE341001 B Function General 1 22 Symbol DSH __ ___ Discharge pipe superheated oshi Discharge pipe superheated degree of INV compressor pets f Discharge pipe superheated degree of EVJ Electronic expansion valve tectonic expansion vave expansion valve Subcoolng O O HTdi Value of INV compressor e pipe N Temperature compensated with outdoor air temperature HTds Value of STD compressor discharge pipe temperature compensate
164. ever be sure to check and repair 105 Troubleshooting SiBE341001 B Malfunction code indication by outdoor unit PCB Monitor mode To enter the monitor mode push the MODE BS1 button when in Setting mode 1 Refer to Page 78 for Monitor mode Selection of setting item Push the SET BS2 button and set the LED display to a setting item Refer to Page 78 for Monitor mode Confirmation of malfunction 1 Push the lIRETURN 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 or slave 3 and malfunction location Push the RETURN BS3 button and switches to the initial status of Monitor mode Push the MODE BS 1 button and returns to Setting mode 1 Troubleshooting Troubleshooting by Remote Controller Malfunctions Malfunction code Description of malfunction Description of malfunction PGF Remote _ PCB malfunction PCB malfunction Faulty PCB Abnormal discharge pressure or field HPS or PS activated piping pressure Abnormal discharge pressure or field HPS or PS activated piping pressure Abnormal s
165. extended period of time e Faulty inverter Power supply voltage error inverter power supply voltage is high or Power supply error low e Faulty inverter Imbalanced power supply Power supply voltages get significantly Power supply error imbalanced imbalanced among three phases voltages of 296 or more e Faulty inverter Dead inverter PCB Transmission error between e With the outdoor unit no Broken wire in communication inverter PCB and control PCB communications are carried out across control line PCB inverter PCB fan PCB e Faulty control e Faulty inverter Faulty fan PCB PJ PCB mismatching e Any PCB of specification different from that of of different specification the product is connected mounted Faulty fin thermistor The fin thermistor gets short circuited or open Faulty fin thermistor Compressor current o O e 2 o 197 Troubleshooting 41001 B Troubleshooting by Remote Controller Concept of inverter related malfunction codes Transmission error man transmissions between main PCB and the inverter PCB are not normal Main Control PCB Instantaneous overcurrent of inverter compressor When inverter output current exceeds 32 3A even instantaneously Overcurrent of inverter compressor DAn overcurrent of 19 0A or more con
166. f the normal condition monitor LED for the outdoor unit PCB blinks NO NO Check if power is supplied to the outdoor units Supply power to the outdoor unit YES YES Replace the outdoor unit main PCB Check if the power supply wire for the external control adaptor for outdoor unit is oe to 5V supply ine Check if the normal condition monitor LED for the external control adaptor for outdoor unit blinks NO NO Connect the power supply wire for the external control adaptor for outdoor unit to 5V supply line YES YES Replace the PCB of the external control adaptor for outdoor unit Replace the outdoor unit main PCB 167 Troubleshooting SiBE341001 B Troubleshooting Troubleshooting Troubleshooting by Remote Controller Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 2 Confirmation of malfunction 3 Confirmation of malfunction 4 ooeeeeeoooooo00 Cool Heat selection NO is unified YES Setting of C H SELECT of the external control adaptor for outdoor unit is unified MASTER YES NO Setting of C H SELECT of the external control adaptor for outdoor unit is SLAVE NO YES heck if the normal condition monitor LED for the outdoor unit main PCB blinks NO YES Check if the norma condition monitor LED for the external con
167. fan driver overload protector High pressure switch fan driver overload protector overcurrent relay inverter overload protector overcurrent relay inverter overload protector Refrigerant Standard Aecessones Installation manual Operation manual Connection pipes Installation manual Operation manual Connection pipes Clamps Clamps Drawing No TC Notes 1 Indoor temp 27 CDB 19 0 CWB outdoor temp 35 CDB Equivalent piping length 7 5m level difference Om 860 2 Indoor temp 20 CDB outdoor temp 7 6 CWB Equivalent piping length 7 5m level difference oe cae baad et Om 9 Specifications 41001 B Specifications 1 Cooling Capacity x2 Heating Capacity Hermetically sealed scroll type 15 75 1 15 75 1 15 75 1 7440 7440 7440 3 3x1 3 3x1 3 3x1 Soft Propellor fan 0 35x1 0 35x1 0 35x1 11051108110 Direct drive 015 9 C1220T Brazing connection Pipes 28 6 1220 Brazing connection Safety Devices High pressure switch fan driver overload protector overcurrent relay inverter overload protector Deicer 7 100 HOA Refrigerant 11 1 11 1 11 1 Electronic expansion valve Refrigerator Oil Refer to the nameplate of compressor Standard Accessories Installation manual Operation manual Connection pipes Clamps Drawing No Notes 1 Indoor temp 27 CDB 19 0 CWB outdoor temp 35 CDB Equivalent piping
168. function 4 number of indoor units connected to the same refrigerant circuit system should not be more than 64 units Replace the main PCB of the outdoor unit With individual systems replace the control A1P With multi systems replace the main PCB A1P The number of indoor units exceeds the standard Check the connection to correct Diagnosis Flow 2 Confirmation of malfunction 3 Confirmation of malfunction 4 Check if the refrigerant type of the outdoor unit corresponds to that of the indoor unit Replace the main PCB of the outdoor unit With individual systems replace the control PCB A1P e With multi systems replace the main PCB A1P Match the refrigerant types of the outdoor unit and the indoor unit Troubleshooting 176 Troubleshooting by Remote Controller SiBE341001_B Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage be occurred Diagnosis Flow 3 Confirmation of malfunction 3 Confirmation of malfunction 4 9000000000000 Check if the Check if the unit outdoor unit PCB NO isnotconnected NO is replaced with to outdoor units AR Sd Mis main PCB of the spare PCB of different outdoor unit models YES YES Check the model of the outdoor unit Is a correct spare NO Re
169. g of spare PCB Model setting Make the following settings according to models of outdoor units RB RQYQ140PY1 RQYQ180PY1 iu RQEQ140PY1 RQEQ180PY1 RQEQ212PY1 bas 71 Test Operation SiBE341001 Field Setting from Outdoor Unit m Setting by push button switches The following settings are made by push button switches on PCB In case of multi outdoor unit system various items should be set with the master unit Setting with the slave unit is disabled LED display MODE TEST COOL HEAT select EAT select Low Demand H1P H2P IND SLAVE noise H3P H4P H5P H6P Single outdoor unit system multi system Factory setting 6999 There are the following three setting modes Setting mode 1 H1P off Initial status when normal Used to select the cool heat setting Also indicates during abnormal low noise control and demand control Q Setting mode 2 H1P on 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 m Mode changing procedure 1 Using the MODE button the modes can be changed as follows Push and hold the BS1 Normal Push the BS1 MODE button MODE button for 5 seconds one time Setting mode 2 Setting mode 1 Monitor mode Push the BS1 MODE butt
170. gle phase open phase INV open phase single phase phase Abnormal charge of capacitor of INV main circuit Test run not carried out yet Testrunnotcariedoutyet run not carried out Testrunnotcariedoutyet Refer to Page 78 for Monitor mode Test run was not completed normally Test run was not completed during gt initial transmission lt Confirmation of malfunction 1 gt Test run was not completed during Push the RETURN BS3 button once normal transmission to display First digit of malfunction Test run was not completed code transmission error Test run was not completed all units have transmission error Faulty transmission between indoor IN OUT transmission malfunction U4 and outdoor units System malfunction Faulty transmission between outdoor Malfunction caused when mounting U7 units the external control adaptor lt Confirmation of malfunction 2 gt Alarm given when mounting the external control adaptor Push the SET BS2 button once to Detail Malfunction caused between the display Second digit of malfunction master and the slave 1 code Malfunction caused between the master and the slave 2 page Malfunction caused between the master and the slave 3 Faulty address setting of slaves 1 2 and 3 4 or more outdoor units connected in Confirmation of malfunction 3 the same system Erroneous address of slaves 1 2 and 3 BS alarm Indoor connection capacity malfunction
171. he Unit No and Code selected 101 Troubleshooting SIiBE341001 B Troubleshooting by Remote Controller 2 4 Test Run Mode Operating the INSPECTION TEST button on the remote controller will make it possible to put the system into test run mode 1 Test run mode setting The test run mode setting can be made by conducting the following operation Test run mode Press the INSPECTION TEST button 4 times Press the ON OFF button after the completion of test run mode setting and a test run starts The remote controller will display TEST RUN on it 2 5 Remote Controller Self Diagnosis Function The following will be displayed on the screen when a malfunction or a warning occurs during operation Check the malfunction code and take the corrective action specified for the particular model DAIKIN Screen Operation lamp Troubleshooting 102 Troubleshooting Remote Controller SiBE341001_B 1 Checking a malfunction or warning Operon Sas Display The operation lamp green Menara starts to blink message ehuidown The system stops operating Malfunction Press Menu E w 29 button willappearandblink at the bottom of the screen _ Cool Set temperature Error Press Menu Button The operation lamp green The message Cool system continues its 0 Warning operation Warning Press Menu button willappearandblink 28 lt
172. heat exchanger Condenser Liquid pressure control Outdoor unit heat exchanger Evaporator PI control INV protection e Outdoor unit heat exchanger Condenser Cooling fan control Outdoor unit heat exchanger Evaporator Fan step 7 or 8 Outdoor unit heat exchanger Condenser Liquid pressure control Outdoor unit heat exchanger Evaporator control Electronic expansion valve Subcooling control control control Electronic expansion valve Y 41 pls for refrigerant 41 pls for refrigerant 41 pls for refrigerant Refrigerant charge discharge discharge discharge V Solenoid valve Refrigerant regulator hot gas Solenoid valve Refrigerant regulator liquid pipe Solenoid valve Refrigerant regulator gas vent pipe Solenoid valve Hot gas Solenoid valve Circuit of oil return ON for refrigerant recovery Four way valve Heat exchanger switch Four way valve Dual pressure gas pipe Four way valve Mixing unit Solenoid valve Mixing unit inlet Y Y Y Y Y Y Y Y O YveS OFF C F E E E S S S S FF S ON S FF S ON S OFF S OFF 3 2 1 2 3 4 5 6 7 8 9 lt Indoor Unit gt Symbol Thermostat OFF unit Remote controller setting Thermostat ON unit Remote controller setting Normal ON for refrigerant recovery exchanger Condenser OFF e Outdoor unit heat exchanger Evaporator ON
173. here is danger of personal injury N Warning Reference reference guides the reader to other places in this binder or in this manual where he she will find additional information on a specific topic vil SIiBE341001 B Introduction 1 2 PREFACE Thank you for your continued patronage of Daikin products This is the new service manual for Daikin s Year 2010 VRVIII Q 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 Q series R 410A Heat Pump Heat Recovery System December 2010 After Sales Service Division viii SiBE341001 B Part 1 General Information Model Names of Indoor Outdoor 2 gt 2 APDE ar aN CE 3 2 1 Outdoor UNItS b m ec ae 3 Combination of Outdoor Unitls Immer nen 4 Model eren inis 5 General Information 51 41001 Model Names of Indoor Outdoor Units 1 Model Names of Indoor Outdoor Units Outdoor Unit Model Name Power Supply Heat Pump RQYQ 140P 180P Heat Recovery RQEQ 140P 180P 212P BS Unit Model Name Power Supply BSVQ 100P 160P 250P Heat Recovery Series BSV Power Supply 1 30 3
174. hin the circuit by outdoor unit PCB When the malfunction decision is made any other indoor unit within the system concerned Malfunction of transmission within or outside of other system Malfunction of electronic expansion valve in indoor unit of other system Defect of PCB of indoor unit in other system Improper connection of transmission wiring between indoor and outdoor unit Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Turn on all indoor units i NO indicating ia Continue operation YES 12 has been NO displayed for 2 Re diagnose by display after minutes or more passage of 2 minutes or more YES The outdoor unit PCB indicated by the malfunction code 15 is normal Check for the indoor unit of other system and then conduct troubleshooting by diagnosis according to the Malfunction Code Flowchart Troubleshooting SiBE341001 B Troubleshooting by Remote Controller 2 37 u Improper Combination of Indoor BS and Outdoor Units Indoor Units and Remote Controller lt Remote Controller Display Applicable All indoor unit models Models BSVQ100 250P RQYQ PY1 RQEQ PY1 Method of A difference occurs in data by the type of refrigerant between indoor BS and outdoor units Malfunction The number of indoor units is out of the allowable range Detection Incorrect signals are transmitted among the indoor unit BS u
175. ht is on this does not apply to the ON OFF button Set temp mode changeover Airflow Direction Quick Cool Heat On Off Ventilation Timer setting Service Contact Model Info Re turn Setting Main Menu screen lt Basic Screen gt Operation mode changeover Fan speed control Press Press e Menu display Menu Enter button once e Confirmation of each setting button once Operation lamp BL Set temperature mg 292 Press button for 4 seconds or more Basic screen Press button once Register Service Contract Field setting Group Ne list setting Indoor unit Alrnet Mo set utdoor unit Airnet Mo set 4ORe turn Setting Field Setting screen lt Field Setting Menu gt Test operation ON OFF e Register Service Contract setting list e Group No setting e Indoor unit AIRNET No set e Outdoor unit AIRNET No set e Error record Indoor status display e Outdoor status display e Fan forced operation ON e Main Sub changeover e Filter element sign OFF Press Cancell button for 4 seconds or more lt Main Menu gt Set temp mode changeover e Airflow direction e Quick Cool Heat On Off e Ventilation e Timer setting e Service Contact Model Info e Convenient functions e Setting status list e Clock setting e Language changeover Press button once Service menu
176. humidity is high This indoor unit is installed in a place with much oil or dust The airflow direction is not reproduced according to the setting A white mist comes out from the system Indoor unit Immediately after cooling operation stopping the outdoor air temperature and humidity are low Indoor and outdoor units After the completion of defrosting operation the system is switched to heating operation 95 Even though the cooling or heating operation is set the air supply operation continues during thermal storage operation UNDER CENTRALIZED CONTROL is displayed on the remote controller In heating operation when the room temperature reaches the set degree the outdoor unit will stop while the indoor unit is brought to fan LL operation so that no one gets cold air Furthermore if fan operation mode is selected when other indoor unit is in heating operation the system will be brought to fan LL operation Automatic control Uneven temperature distribution due to heavy stain of the inside of the indoor unit Hot gas refrigerant flown in the indoor unit results to be vapor from the unit Defrosted moisture turns to be vapor and comes out from the units The system is in preparation Wait for a period of approximately mode of operation 10 minutes Normal operation Normal operation Normal operation Clean the inside of the indoor unit Normal operation Normal ope
177. i target evaporating temperature current condensing temperature and current evaporating temperature Note 2 On the system with two outdoor units if there is no step for the GR 15 GR 10 condition and calculated from target condensing temperature destination of transition that step will be skipped GR gt 25 enean GR gt 15 Evaporator W GR lt 10 GR gt 25 B3 quem Evaporator Evaporator onis Tonca GR gt 15 Outdoor unit GR 10 45 Function SiBE341001 B Detailed Control Functions 2 5 7 Control of Refrigerant Amount lt Recovery of refrigerant gt Open the solenoid valve 25 Y3S when the load of the indoor unit is low and return the surplus refrigerant to the refrigerant regulator LIQUID PIPE HIGH AND LOW PRESSURE GAS PIPE SUCTION GAS PIPE STOP VALVE WITH SERVICE PORT 7 9mm FLARE CONNECTION SOLENOID VALVE STRAINER gt lt SOLENOID CHECK VALVE VALVE ELECTRONIC FILTER es RS REFRIGERANT ELECTRONIC REGULATOR C EXPANSION lt FILTER ELECTRONIC EXPANSION Fan _ PRESSURE REGULATING VALVE 78 HEAT EXCHANGER ABSOLUTE PRESSURE SERVICE PORT SERVICE PORT FOUR WAY VALVE PRESSURE HEAT EXCHANGER PIPE NA CAPILLARY TUBE CAPILLARY TU
178. ice Checker Connect the service checker to compare the high pressure value and the actual measurement value by pressure sensor Refer to 1 by using the service checker the high pressure value and the actual measurement value by pressure sensor are NO Replace the main A1P YES The high pressure sensor is normal and the pressure detected with the PCB are also normal The high pressure or field piping pressure has really become high Referring to information on P 189 remove the causes by which CHECK 1 the high pressure or field piping pressure has become high 1 Make a comparison between the voltage of the pressure sensor and that read by the pressure gauge As to the voltage of the pressure sensor make measurement of voltage at the connector and then convert it to pressure according to information on P 201 2 Make measurement of voltage of the pressure sensor 5V Connector for high pressure sensor Red Red Black n High pressure sensor Micro controller A D input White Make measurement of DC voltage between these wires 113 Troubleshooting SiBE341001 B 2 9 7 Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting by Remote Controller Outdoor Unit Actuation of Low Pressure Sensor
179. ice Mode Operating the button on the remote controller will make it possible to obtain service data and change service setting while in service mode How to Enter the Service Mode EOM Field setting mode Press and hold Cancel button for 4 seconds or more Press and hold Cancel button for 4 seconds or more Service Mode 1 Select the mode No Operation Select the desired item from the Service menu and then press Menu Enter button Method 2 Select the Item 2 Select the desired Unit No using the A W Up Down buttons The corresponding data will be displayed For details refer to the table in next page 99 Troubleshooting SiBE341001 B Troubleshooting by Remote Controller T Model Name Display 2 Operating Hours Display 2 Indoor unit operating All of these are displayed in hours time 3 Indoor fan operation 4 Indoor unit energized time 5 Outdoor operating time 6 Outdoor fan 1 operation 7 Outdoor fan 2 operation 8 Outdoor comp 1 operation 9 Outdoor comp 2 operation T Unit No 2 3 FLAP 4 Speed Degree that electronic expansion valve is open pls eme 3 Indoor Status Display u x Sr J 3 Th2 Heat exchanger Heat exchanger liquid thermistor pipe thermistor 4 Th3 Heat exchanger gas pipe thermistor 5 Th4 Discharge air Discharge air thermistor thermistor 7 Th6 ___ ___
180. id valve Circuit of oil return OFF Four way valve Heat exchanger switch OFF 8S Four way valve Dual pressure gas pipe OFF Four way valve Mixing uni e 2 min passed Ending condition OR TsA Te lt 2 C In the case of multi outdoor unit system Master unit Performs the operations listed in the table above Slave units Operating units perform the operations listed in the table above Non operating units perform the operations listed in the table above from the oil return operation Non operating unit stops during oil return preparation operation lt Indoor Unit gt Electric Cooling oil return operation Part Name Symbol Thermostat ON unit Thermostat OFF unit Stopping unit Indoor unit fan Remote controller setting Remote controller setting ach BS Unit a valve EVHS Electronic expansion Electronic expansion valve EVL 760 pls fully opened Electronic expansion valve EVLS 480 pls fully opened 5E 53 Function SiBE341001 B Detailed Control Functions 2 7 3 Heating Oil Return Operation and Defrost Operation RQYQ140 180PY1 RQCYQ280 560PY1 Heating Oil Return Operation Referring to the set conditions for the following items start the oil return operation in heating 2 hours after initial power A lapse of every 1 2 hours during low load operation lapse of every 8 hours during high load operation Defrosting Operatio
181. in gt 84 C lt 81 C INV upper limit frequency max 210 Hz Tfin lt 81 C continues for 3 min INV Comp INV Comp 1 step down 10 sec 1 step up 3 min gt 84 C After 10 gt 93 C 4 times per 60 min Restart standby Stop due to malfunction 3 times per 60 min at max L4 displayed 51 Function SiBE341001 B Detailed Control Functions 2 7 Special Control 2 7 1 Pump down Residual Operation If the liquid refrigerant stays in the evaporator at the startup of a compressor this liquid refrigerant enters the compressor thus resulting in diluted oil in the compressor and then degraded lubrication performance Consequently in order to recover the refrigerant in the evaporator while the compressor stops the pump down residual operation is conducted Flectric Normal Cooling Normal Simultaneous Cooling Heating Part Name Svmbol m 0 6 Unit Unit Master Unit Slave Unit Outdoor unit fan Four way valve ON Four way valve ON 0 pls 0 pls 480 pls pls Four way valve Four way valve OFF 480 pls OFF 480 pls Electronic expansion valve Refrigerant 0 pls pls 0 pls 0 pls charge Electronic expansion valve Main Electronic expansion valve Subcooling O O O O O O O O Solenoid valve ao regulator Y1S hot gas Solenoid valve Y2S liquid pipe Solenoid valve 0 Y3S gas vent pipe Solenoid valve Hot gas Solenoid valv
182. ion Setting content Setting method External control Mode 1 The compressor operates at Set item No 32 to Demand 1 and item No approx 60 or less of rating 30 to Level 1 Short circuit 1 and The compressor operates at Tm Set item No 32 to Demand 1 and item No Demand 1 approx 70 or less of rating C sip testy 30 to Level 2 Mode 3 The compressor operates at Set item No 32 to Demand 1 and item No approx 80 or less of rating 30 to Level 3 The compressor operates at TT Demad2 approx 40 or less of rating Short circuit 2 and C Set item No 32 to Demand 2 Forced thermostat OFF Short circuit 3 and C However the demand operation does not occur in the following operation modes 1 Startup control 2 return operation 3 Defrosting operation 4 Pump down residual operation If carrying out demand or low noise input connect the adaptor 5 terminals as shown below External control adapter for wm outdoor unit noise poa Host computer Q Outside wiring indicated monitor panel Q dotted line or demand controller A When the demand operation is carried out by external contact with the use of the external control adaptor for outdoor unit 1 Connect external control adaptor for outdoor unit and short circuit terminals as required Refer above figure 2 While in Setting mode 2 set the setting condition f
183. ion of Transmission between Centralized Controller and Indoor 183 2 40 ur System IS NOL Set i o E nc ZZ le 186 2 41 Malfunction of System Refrigerant System Address Undefined 187 Troubleshooting SiBE341001 B Symptom based Troubleshooting 1 Symptom based mmm Courternessure ____ system does not start operation at all Blowout of fuse s Turn Off the power 2 then replace the fuse s Cutout of breaker s f the knob of any is in its OFF position turn ON the power supply If the knob of any circuit breaker is in its tripped position do not turn ON the power supply ON Knob ripped OFF Circuit breaker Power failure After the power failure is reset restart the system The system starts operation but makes an Blocked air inlet or outlet of indoor Remove obstacle s immediate stop or outdoor unit Clogged air filter s Clean the air filter s The system does not cool or heat air well Blocked air inlet of indoor Remove obstacle s or outdoor unit Clogged air filter s Clean the air filter s Enclosed outdoor us Remove the MAR Improper set EE s Set the temperature to a proper degree Airflow rate set to LOW Set it to a proper airflow rate Improper direction of air Set it to a proper direction Open window s or door s Shut it tightly In cooling Direc
184. ions 5 41001 In heating operation and Simultaneous Cooling Heating Operation following control is performed in the system Pe_min indicates the minimum value within the system Normal Operation Pe_min al Pe_min gt 0 23MPa lt 0 17 MPa Upper limit compressor step max Max step gt 0 20 After 15 sec Compressor system Compressor system 2 step down 10 sec lt 0 17 After 10 sec lt 0 17 MPa Compressor system 2 step up 15 sec Pe min 0 13 MPa Compressor system Step 1 PES OOT MPA Restart standby 4 times per 60 min at max Restart standby Stop due to malfunction 3 times per 60 min at max E4 displayed 49 Function SiBE341001 B Detailed Control Functions 2 6 3 Discharge Pipe Protection Control This discharge pipe protection control is used to protect the compressor internal temperature against a malfunction transient increase of discharge pipe temperature The following control is performed for each compressor Normal operation 4 HTdi 110 C After 20 INV Comp INV Comp 1 step down 30 sec HTdi gt 115 C 1 step up 20 sec e After 30 sec INV compressor Frequency agreement _ b q y ag e HTdi gt 120 C continues for 90 seconds or more Compressor system Step 1 HTdi gt 135 C HTdi gt 120 C continues for
185. iority 3 Priority 4 Priority 4 Priority 1 Priority 2 Priority 3 One time after the next Priority 2 Priority 3 Priority 4 Priority 1 One time after the Priority 1 2 Priority 3 Priority 4 37 Function Priority 3 Priority 4 Priority 1 Priority 2 SiBE341001 B Detailed Control Functions 2 44 Startup Control This control is used to equalize the pressure in the front and back of the compressor prior to the startup of the compressor thus reducing startup loads Furthermore the inverter is turned ON to charge the capacitor 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 Start both the master and the slave units simultaneously to position the four way valve 1 Startup Control in Cooling Operation Ending conditions A lapse of 90 sec Tc high pressure equivalent saturation temperature gt 48 C Pc Pe gt 0 39MPa OR Inverter compressor INV 0 Hz M1C 1375 pls Electronic expansion valve i1 1 Y1E Main 1 Step 15 sec when Pc gt 2 16 MPa Inverter fan Step 4 iTa gt 20 C Step 41 1 Step 15 sec when lt 1 77 MPa Thermo ON Initial opening Indoor unit electronic 2201 ops fo M1F expansion valve Y1E 15 sec 2 Startup Control in Heating Operation Outdoor unit heat exchanger Evaporator
186. ipes Manual Operation Manual Connection Drawing No C 4D066320A 4D066321A Notes 1 Indoortemp 27 CDB 19 0 CWB outdoor temp 35 CDB Equivalent piping length 7 5m level difference 0 kcal h kWx860 2 Indoor temp 20 CDB outdoor temp 7 6 CWB Equivalent piping length 7 5m level difference 7 Specifications 41001 B Specifications x1 Coding Capacty x2 Heating Capacity Pipes High pressure switch fan driver overload protector High pressure switch fan driver overload protector overcurrent relay inverter overload protector overcurrent relay inverter overload protector Refrigerant Standard Aecessones Installation manual Operation manual Connection pipes Installation manual Operation manual Connection pipes Clamps Clamps Drawing No EMEN j Notes 1 Indoor temp 27 CDB 19 0 CWB outdoor temp 35 CDB Equivalent piping length 7 5m level difference Om 860 2 Indoor temp 20 CDB outdoor temp 7 6 CWB Equivalent piping length 7 5m level difference oe cae baad et Om Specifications 8 Specifications SiBE341001_B 1 Cooling Capacity x2 Heating Capacity 15 75x1 13 34x1 13 34x1 15 75x1 15 75x1 13 34x1 Sag 3 3 1 2 8 1 2 8 1 3 3 1 3 3 1 2 8 1 0 35x1 0 35x1 0 35x1 0 35x1 0 35x1 0 35x1 Pipes High pressure switch
187. ires of the outdoor multi and then reset the power supply Diagnosis Flow 4 Confirmation of malfunction 3 Confirmation of malfunction 4 Check the connection status of connecting wires of the outdoor multi to SLAVE 2 Check if the w is disconnected or is about be disconnected Replace the outdoor unit main PCB of the SLAVE 2 Correct the connecting wires of the outdoor multi and then reset the power supply Diagnosis Flow 5 Confirmation of malfunction 3 Confirmation of malfunction 4 9000909900909999 Check if the outdoor unit is connected to multi system Replace the main PCB A1P of the outdoor unit Remove the connecting wires of the outdoor multi and then reset the power supply 169 Troubleshooting SiBE341001 B Troubleshooting by Remote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 6 Confirmation of malfunction 3 Confirmation of malfunction 4 9000099900009099 Are manual address settings of the NO slave units 1 2 and 3 correct in order Correct the manual address to connect the AIRNET settings For detail refer to information in YES the AIRNET Installation Manual Check the connection status of one of YES Correct the connecting wires of the outdoor multi and then reset the power supply the connecting wires of out
188. it contacts flames such as fan and other heaters stoves and ranges When replacing the coin battery in the remote controller be sure to disposed of the old battery to prevent children from swallowing it If a child swallows the coin battery see a doctor immediately Installation of a leakage breaker is necessary in some cases depending on the conditions of the installation site to prevent electrical shocks Do not install the equipment in a place where there is a possibility of combustible gas leaks If a combustible gas leaks and remains around the unit it can cause a fire wet the furniture and floor Be sure to install the packing and seal on the installation frame properly For integral units If the packing and seal are not installed properly water can enter the room and only 1 1 3 Inspection after Repair Check to make sure that the power cable plug is not dirty or loose then insert the plug into a power outlet all the way If the plug has dust or loose connection it can cause an electrical shock or fire If the power cable and lead wires have scratches or deteriorated be sure to replace them Damaged cable and wires can cause an electrical shock excessive heat generation or fire Do not use a joined power cable or extension cable or share the same power outlet with other electrical appliances since it can cause an electrical shock excessive heat generation or fire Introduction SIBE341001 Check to see
189. lave set up ee and slave units for multi connection 2 After setting up press the BS5 button for 5 seconds or more The numbers in the No column represent the number of times to press the SET BS2 button 75 Test Operation SiBE341001 B Field Setting from Outdoor Unit Setting item display TEST selection W Setting condition display setting item HIP Hop IND Master Slave H7P 5 H6P Factory set Address 1 O090 O 4 digits Digital pressure gauge kit display 5 1 Cool Heat Unified address Address 0000000 Binary number 1 O0 0000 6 digits Address 0000000 Low noise demand Binary number 1 O00000 oO address 6 digits 3 Test operation OFF 9 Test operation Test operation ON Normal operation 9 0 Indoor forced H Indoor forced fan H Normal operation Indoor forced operation O e e Q e Low Level L 0900000 Normal Level 9 02900900900 High High Level H Oeeeoeo oOeeeooe 09009700 099090090 Indoor forced operation setting setting Defrost
190. level is insufficient leave the liquid and gas stop valves closed and charge with liquid refrigerant via the liquid stop valve service port Do not charge via the gas stop valve service port Doing so will result in malfunction O Is the amount of additional refrigerant charge recorded in the Service Precaution label Check the stop valves for Check to be sure the stop valves are under the following conditions Liquid side Gas side aaa sg eae conditions Model Liquid side Gas side Dual pressure DUE stop valve stop valve gas side stop valve REGIA Test Operation 62 Test Operation SiBE341001_B How to calculate additional refrigerant charging amount Unit 0 1 kg Total length of 15 9 0 18 liquid pipe nacva 280Py1 360PY1 460PY1 500PY1 540PY1 QCEQ 712 1 744PY1 816PY1 848PY 1 63 Test Operation SIiBE341001 B Test Operation 1 1 2 Turn power on Turn outdoor unit and indoor O Be sure to turn the power on 6 hours before starting operation to protect unit power on compressors Check the LED display of the O Check to be sure the transmission is normal outdoor unit The transmission is normal if the LEDs display conditions as shown in table below LED display O ON OFF 9 Blinking Micro COOL HEAT select LED display TEST Demand Multi Default status before IND IMASTERISLAVE
191. liquid pipe temperature of air heat exchanger Used to make deicer judgements on defrosting operation This detects temperature of gas pipe on the evaporation side of subcooling heat 21 R7T 2 heat exchanger Used to exercise the constant control of superheated degree at the outlet ue des of subcooled heat exchanger 22 Thermistor Subcooling heat This detects temperature of liquid pipe between the main electronic expansion exchanger liquid pipe and subcooling heat exchanger 23 Thermistor Liquid pipe This detects temperature of liquid pipe 25 S1NPH High pressure sensor Used to detect high pressure 26 S1NPL Used to detect low pressure In order to prevent the increase of high pressure when malfunction occurs this S1PH INS Pressure switch For switch is activated at high pressure of 4 0 MPa or more to stop the compressor operation In order to prevent the increase of field piping pressure when a malfunction occurs 28 S2P Pressure switch this switch is activated at pressure of 3 3 MPa or more to stop the compressor operation Open at 3 3 MPa or more to avoid pressure increase to prevent damage to functional Liquid pipe parts by the pressure increase and to protect the field piping during transportation storage operation of the equipment Subcooling heat exchanger Apply subcooling to liquid refrigerant Used to return the refrigerating oil separated through the oil se
192. lue between UVW phases of fan motor is out of balance or short circuit between UVW phases NO YES 618126 Referring to the information on P 190 Check fan motor connector signal wire The signal wire short circuits between Vcc and GND and between UVW and GND YES Put the power supply ON to check the following LED lamps 1 HAP lamp on the compressor 2 HAP lamp on the fan inverter 4 HAP lamp for the A4P does not blink on the condition that HAP lamp for is blinking NO YES Troubleshooting by Remote Controller Heplace the fan inverter PCB Replace the corresponding fan motor Replace the corresponding fan motor Replace the corresponding fan motor Replace the corresponding fan motor Replace the fan inverter PCB Replace the fan motor 2 120 Troubleshooting by Remote Controller SiBE341001_B 2 12 4 Outdoor Unit Malfunction of Electronic Expansion Valve Coil Y1E Y3E Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes 121 gt es RQYQ PY1 RQEQ PY1 Check the continuity of electronic expansion valve coil Y1E No current is detected in the common COM when power supply is ON m Disconnection of connectors for electronic expansion valve Y1E m Defect of electronic expa
193. lve Contamination of the air filter Troubleshooting SiBE341001_B SiBE341001 Troubleshooting Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution parts damage may be occurred Set up a pressure gauge at the service port on the high pressure side Check if suction pipe NO thermistor property is normal YES Check if discharge pipe thermistor property is normal NO YES Check if high pressure sensor property is normal NO YES Service Checker Look for the following indoor unit by service checker e Gas pipe temperature R4T Liquid pipe temperature R3T lt Opening degree of electronic expression valve lt 300 pls Stop the indoor unit the system is in cooling operation and check the liquid pipe temperature of the indoor unit after the system has stabilized The liquid pipe temperature is low equivalent to the evaporating temperature YES NO Replace the suction pipe thermistor Replace the discharge pipe thermistor Replace the high pressure sensor Replace the indoor unit electronic expansion valve Clean the air filter of the indoor unit Troubleshooting by Remote Controller 126 Troubleshooting Remote Controller 2 15 Outdoor Unit Malfunction of BS Unit Electronic Expansion Valve Remote Controller Display Applicable Models Metho
194. lve is open Local Hich pi f pressure Bent or crashed pipe lt Conduct visual checks for pipe conditions rise resistance logging of foreign lt 5 there any temperature difference caused particles before and after the filter or branch pipe In cooling If the outdoor unit electronic Faulty outdoor Faulty valve lt Are the coil resistance and insulation normal expansion valve is throttled unit oo See 71 p Faulty valve bod A temperature difference in excess of wanta i Rise in high andthe outlets deemed to De abnormal pressure Fault Faulty high pressure sensor lt Are the electrical characteristics normal control Faulty control PCB lt ls the pressure value checked with the Service Checker Faulty high corresponding to the measurement of the pressure sensor 2 Faulty indoor Faulty valve coil lt Are the coil resistance and insulation unit electronic normal expansion valve Faulty valve body Faulty high pressure sensor Are the electrical characteristics normal in heating Fault Faulty ind Is the connector properly connected If the indoor unit electronic Indoor unit A quid ni i expansion valve is excessively control quid pipe thermistor Are the thermistor resistance characteristics normal throttled lt Is the pressure value checked with the See 2 Faulty control PCB Service Checker corresponding to the measurement of the pressure sen
195. mode to ON The expansion valves of indoor and outdoor units fully open and some of solenoid valves open blinks to indicate the test operation and the remote controller displays Test Operation and Under centralized control thus prohibiting operation After setting do not cancel Setting Mode 2 until completion of Vacuuming operation Use the vacuum pump to perform vacuuming operation Press Mode button BS1 once and reset Setting Mode 2 89 Test Operation SiBE341001 B Field Setting from Outdoor Unit 2 1 9 Emergency Operation If the compressor cannot operate this control inhibits any applicable compressor or outdoor unit from operating to perform emergency operation only with the operative compressor or outdoor unit Automatic backup operation With multi outdoor unit system if a certain outdoor unit system malfunctions i e the system stops and indoor unit remote controller displays the malfunction by resetting the indoor unit remote controller the applicable outdoor unit is inhibited from operating for 8 hours thus making it possible to perform emergency operation automatically However in the event any of the following malfunctions occurs automatic backup operation can be performed Malfunctions under which automatic backup operation can be performed e E4 E7 H7 9 2 J3 5 J6 7 J9 JA JC e L1 L4 L5 L8 L9 LC U2 UJ Emergency operation
196. n To defrost the outdoor unit heat exchanger while in heating operation the defrost operation is conducted to recover the heating capacity Start conditions Referring to the set conditions for the following items start the defrosting operation A lapse of every 1 hour during high load operation A lapse of every 2 hours during low load operation Electric Symbol M1C M1F Part Name Heating oil return and defrost operation Compressor 8 7 2 m Outdoor unit fan Electronic expansion valve Main 480 eee Electronic expansion valve Refrigerant charge Electronic expansion valve Subcooling SH control By Adjusting control of the refrigerant amount Solenoid valve Refrigerant regulator Y1S By Adjusting control of the refrigerant amount hot gas Solenoid valve Refrigerant regulator Y2S By Adjusting control of the refrigerant amount liquid pipe Solenoid valve Refrigerant regulator Y3S By Adjusting control of the refrigerant amount gas vent pipe Solenoid valve Hot gas Solenoid valve Circuit of oil return Four way valve Heat exchanger switch Four way valve Dual pressure gas pipe Four way valve Mixing unit Solenoid valve Mixing unit inlet Indoor unit fan M1F Electronic expansion valve Main Y1E 1216 pls Suction SH control Pc gt 2 94 MPa 11 12 passed 6 min passed Leon
197. n ON Cooling Indoor unit operation OFF Cooling High temperature Thermostat ON Thermostat OFF high pressure gas Heat exchanger B aM Heat exchanger Heat exchanger High temperature high pressure liquid 3 Low temperature low pressure Fan OFF Fan ON Setting CY 29 HHH Filter Electronic expansion valve Filter Forced thermo ON Fan ON Setting Filter Electronic expansion valve Filter Normal Filter Electronic expansion valve Filter 192 pls JeBueuoxe yeay edid ejgnoq jeeu edid JeBueuoxe edid ejqnoq m m m m m m m m m m m m m 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 35 mse 9 955 55 955 BS Bg mes 728 2 8 258 8 028 2 8 28 28 pees 2 8 29 28 lt s DS o Has g os e 990093 5 CO DO S 5 pao 5 5 5 30 5 2 5 5 30 O23 O25 5 925 G23 5 5 925 G23 gt 5 5 O25 so wo 55 lt lt lt lt lt lt lt lt lt lt lt lt lt G 49 5 5 6 5 5 5 STOP VALVE WITH SERVICE PORT 7 9mm FLARE CONNECTION SOLENOID VALV
198. n 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 adaptor optional you can lower operating noise by 2 3 dB Seting Set the outdoor unit fan to Step 6 or lower 87 Set the outdoor unit fan to Step 5 or lower Set the outdoor unit fan to Step 4 or lower When the low noise operation is carried out by external contact with the use of the external control adaptor for outdoor unit Connect external control adaptor for outdoor unit and short circuit terminal of low noise Refer below figure If carrying out demand or low noise input connect the adaptor s terminals as shown below adapter for outdoor unit Low Host computer s L Mg indicated monitor panel Q y dotted line or demand os controller While in Setting mode 2 set the setting condition for set item No 12 Setting of external low noise demand operation to YES If necessary while in Setting mode 2 select the setting condition i e Mode 1 Mode 2 or Mode 3 for set item No 25 Setting of external low noise level If necessary while in Setting mode 2 set the setting condition for the set item No 29 Setting of capacity precedence to ON If the condition is set to ON when the air conditioning load reaches a high level the low noise operation command will be ignored to put the system into normal op
199. n or parts damage may be occurred Measure resistance value of the radiation fin thermistor 5 the thermistor resistance value NO Replace the inverter normal PCB YES The INV compressor s YES insulation resistance Replace the is not more than 100kQ NO compressor 1 The fan motor s insulation resistance is not more than YES Heplace the fan motor NO Does the malfunction YES recur when the power Replace the inverter supply turns ON PCB NO Continue operation 153 Troubleshooting SiBE341001 B Troubleshooting by Remote Controller 2 29 Outdoor Unit Faulty Field Setting after Replacing Main PCB or Faulty Combination of PCB Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting lt RQYQ PY1 RQEQ PY1 This malfunction is detected according to communications with the inverter Make judgement according to communication data on whether or not the type of the inverter PCB is correct m Mismatching of type of PCB m Faulty or no field setting after replacing main PCB 154 Troubleshooting Remote Controller Troubleshooting 155 Be sure to turn off power switch before connect disconnect connector Caution or parts damage may be occurred Is the type of the compressor inverter PCB A
200. n table below according to condition changes Fan revolutions rpm STEP No RQYQ140PY1 RQYQ180PY1 Figures listed above all those controlled while in standard mode which vary when the system is set to high static pressure or capacity precedence mode Control at a low outdoor air temperature during cooling Secure the liquid pressure and circulating rate in the indoor unit through high pressure control with the outdoor fan when the outdoor air temperature is low during cooling Control the fan with the target Tc high pressure equivalent saturation temperature 34 C Function 44 Detailed Control Functions 2 5 6 Heat Exchanger Control SiBE341001_B While in heating or cool heat simultaneous operation ensure target condensing and evaporating temperature by changing over the air heat exchanger of outdoor unit to the evaporator or the condenser in response to loads Single system Left side Right side GR gt 25 Right side Evaporator GR lt 10 Leftside Right side Left side Right side Evaporator Condenser Multi outdoor unit system Note 1 GR is a numeric value representing the current balanced condition and calculated from target condensing temperature target evaporating temperature current condensing temperature and current evaporating temperature Gu Note 1 GR is a numeric value representing the current balanced utdoor un
201. name display Operating hours display Indoor status display utdoor status display Forced defrost Error display selection turn Setting Service Menu screen lt Service Menu gt e Model name display e Operating hours display e Indoor status display e Outdoor status display Forced defrost Error display selection Unit No transfer Sensor address data display Troubleshooting SiBE341001 B Troubleshooting by Remote Controller 2 2 Self diagnosis by Wired Remote Controller Explanation The following will be displayed on the screen when a malfunction or a warning occurs during operation Check the malfunction code and take the corrective action specified for the particular model VDAIKIN Screen Operation lamp 1 Checking a malfunction or warning Operation Status Display The operation lamp green Abnormal startsto blink The message shutdown system stops operating Malfunction Press Menu button will appearandblink mi 28 at the bottom of the screen 4 Cool Set temperature Error Press Menu Button The operation lamp green The message Cool The system continues its No db Warning operation Warning Press Menu button willappearandblink mE 28 at the bottom of the screen 4 Set temperature Warning Press Menu Button Troubleshooting 98 Troubleshooting Remote Controller SiBE341001_B 2 3 Remote Controller Serv
202. nction supply normally come back ON results from external causes other than failures e g exogenous NO noises or thunder Is the individual system applied to the outdoor unit YES NO Individual system Multi system While in monitor mode check ir whether the system is right 2 hand control 1 or left a oor uni hand control PCB 3 concerned NO Check if the power transistor is normal YES Check if insulation resistance of the compressor is 100kQ and above NO Replace the compressor and compressor inverter PCB at the same time YES Replace the inverter PCB Check 4 Check if the power transistor of the fan driver is normal YES NO Replace the compressor inverter PCB ASP and fan inverter PCB A4P Replace the inverter PCB Referring to the information on P 192 139 Troubleshooting SiBE341001 B Troubleshooting by Remote Controller 2 22 Outdoor Unit Malfunction of Inverter Radiating Fin Temperature Rise Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting I Lo RQYQ PY1 RQEQ PY1 Radiation of compressor inverter PCB Fin temperature is detected by the thermistor of the radiation fin When the temperature of the inverter radia
203. ng ON I O Used to set cool heat select by Cool Heat selector iid OFF Factory set equipped with outdoor unit DS1 2 Not used Do not change the factory settings DS1 4 OFF Factory set d d idi Setting at replacement by spare PCB Caution DIP switch Setting after changing the PCB A1P to spare parts After the replacement by the spare PCB be sure to make settings shown below When you change the main PCB A1P to spare parts PCB please carry out the following setting conditions of switches ON 050 1234 1234 DS1 DS2 DIP Switch Detail Contents Cool Heat changeover setting setting is made with the use of a Cool Heat selector mounted to the outdoor unit setting is not made with the use PCB Cool Heat selector mounted to the outdoor unit Power supply specification 200V class 220V OFF Factory setting of spare 400V class 380V PCB Cooling only Heat pump setting Cooling only setting OFF Factory setting of spare Heat pump setting PCB 1 If check operation was not performed during installation Do not change the setting Leave it OFF OFF Factory 2 If check operation was completed or normal setting of spare operation is in progress Change the setting Unit allocation setting Domestic Overseas Do not change factory setting of the spare part OFF OFF Factory settin
204. nit Setting method Set the compressor to be stopped by the onsite setting setting mode 2 Refer to P 90 for details of the setting Details of Operation Stop operating the Disabled compressor and outdoor units and operate another compressor and outdoor units The emergency operation is not available for a single unit system Function 60 SiBE341001 B Part 5 Test Operation he POSE DC AU OM ss _ 62 1 1 Procedure and Outline sessiossa T 62 1 2 Check y a a 65 1 3 Checking Normal Operation 68 2 Field Setting from Outdoor Unit 69 2 1 Field Setting from Outdoor Unit 69 Test Operation SiBE341001 Test Operation 1 Test Operation 1 1 Procedure and Outline Follow the following procedure to conduct the initial test operation after installation 111 Check work prior to turn power supply on Check that the installation work for the indoor and outdoor units has been performed in accordance with the instructions in the Installation Manual O Is the wiring performed as specified O Are the branch switches and earth leakage circuit breakers wired correctly O Is the designated wire used O Is the wiring screw of wiring not loose O Is the grounding work completed O Is the insulation of the main po
205. nit and outdoor unit Malfunction The malfunction decision is made as soon as either of the abnormalities aforementioned is Decision detected Conditions Supposed Excess of connected indoor units Causes m Defect of outdoor unit PCB A1P B Mismatching of the refrigerant type of indoor and outdoor unit m Setting of outdoor PCB was not conducted after replacing to spare parts PCB Troubleshooting 174 Troubleshooting Remote Controller Troubleshooting SiBE341001_B Be sure to turn off power switch before connect or disconnect connector Caution parts damage be occurred Check the LED lamps for Confirmation of malfunction 3 corresponding to the t malfunction code u and for Confirmation of malfunction 4 in the monitor mode Refer to P 106 P 107 for how to check Confirmation of malfunction 3 Confirmation of malfunction 4 90060999 lt Confirmation of malfunction 3 Confirmation of malfunction 4 9000999 lt Confirmation of malfunction 3 Confirmation of malfunction 4 90090099099 lt Confirmation of malfunction 3 Confirmation of malfunction 4 90090999 lt Confirmation of malfunction 3 Confirmation of malfunction 4 9000999 lt Confirmation of malfunction 3 Confirmation of malfunction 4 900099090060999 lt Confirmation of malfunction 3 Confirmation of malfunction 4 90009909009999 lt Confirmation of malfunction 3 Confirmation of malf
206. nit at HP Is the model series NO 5 Replace it to the spare NO PCB YES Are the spare parts NO properly arranged YES Diagnosis Flow 11 Confirmation of malfunction 3 Confirmation of malfunction 4 Faulty connection of outdoor multi at HP HR Are all the outdoor units the same models Are RQEQ and RQYQ no mixed YES NO Replace it to the spare NO PCB YES Are the spare parts NO properly arranged YES Troubleshooting Use the outdoor unit of RQEQ Replace the outdoor unit PCB Arrange a correct spare PCB Replace the outdoor unit PCB Correct the combination of outdoor units Replace the outdoor unit PCB Arrange a correct spare PCB Replace the outdoor unit PCB 180 Troubleshooting by Remote Controller SiBE341001_B Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage be occurred Diagnosis Flow 12 Confirmation of malfunction 3 Confirmation of malfunction 4 9000000000000 181 Faulty combination of outdoor multi Is the multi combination of outdoor units correct NO YES Correct the multi combination of outdoor units Replace DE B Replace the outdoor unit PCB YES e Arrange a correct spare PCB YES NO Is the setting of spare PCB correct YES Set again
207. normal In cooling mode valve failure Defective valve body If the indoor unit 1 valve for lt Check if the connector is connected properly is excessively Check if the thermistor resistance property is throttled 4 Faulty control Defective thermistor for Faulty indoor unit liquid pipe Defective control PCB Defective valve coil Defective valve body superheated degree control Outdoor unit electronic expansion valve failure normal lt Check if the connector is connected properly Check if the thermistor resistance property is normal lt Check if coil resistance and insulation are normal In heading 1 oe low pressure lt Check if the voltage property is normal electronic Faulty control Defective thermistor for lt Check if the connector is connected properly expansion valve suction pipe U is excessively Check if the thermistor resistance property is normal throttled 54 Defective control PCB lt Check if the pressure value given by the Refrigerant gas shortage Irregular piping length Bend collapse Including moisture choke Stop valve is closed Large resistance of piping service checker corresponding to actual measurement value by the sensor lt Refer to 64126 lt Does the piping length fall in the permissible range lt Conduct visual checks lt Remove the moisture by vacuum break Refer to eis zer 1 lt Check if the stop valve is open
208. nother one hour f the degree of vacuum does not reach 100 7kPa or less even though evacuation is conducted for a period of three hours conduct leak tests 2 Leaving in vacuum state e Leave the compressor at the degree of vacuum of 100 7kPa or less for a period of one hour or more and then check to be sure that the vacuum gauge reading does not rise If the reading rises moisture may have remained in the system or refrigerant leakage may have been caused 3 Refrigerant charge Purge air from the manifold gauge connection hoses and then charge a necessary quantity of refrigerant Special vacuuming and dehydration case moisture may get mixed the piping 1 Vacuuming and dehydration Follow the same procedure as that for 1 Normal vacuuming and dehydration described above 2 Vacuum break Pressurize with nitrogen gas up to 0 05 3 Vacuuming and dehydration Conduct vacuuming and dehydration for a period of one hour or more If the degree of vacuum does not reach 100 7kPa or less even though evacuation is conducted for a period of two hours or more repeat vacuum break vacuuming and dehydration 4 Leaving in vacuum state e Leave the compressor at the degree of vacuum of 100 7kPa or less for a period of one hour or more and then check to be sure that the vacuum gauge reading does not rise 5 Refrigerant charge Purge air from the manifold gauge connection hoses and then charge a nece
209. nsion valve coil m Defect of outdoor unit main PCB A1P Troubleshooting 41001 B Troubleshooting by Remote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage be occurred Turn power supply off and turn power supply on again YES Return to normal gt External factor other than malfunction for example noise NO etc lt 45059 Check the electronic expansion valve corresponding to the malfunction code 2 in the monitor mode Refer to P 106 P 107 for how to check O When Confirmation of malfunction 3 and 4 shows as follows Electronic expansion valve for main use Y1E O When Confirmation of malfunction 3 and 4 shows as follows 0 0 6 6 0 0 x Electronic expansion valve for refrigerant charge Y2E O When Confirmation of malfunction 3 and 4 shows as follows gt Electronic expansion valve for subcooling O Explanation of xx lele e Master unit Slave unit 1 0 e Slave unit 2 Slave unit 3 The connector of outdoor unit PCB A1P for electronic expansion valve is connected NO Ensure correct connection YES The coil resistance of electronic expansion valve is normal Refer to 1 NO Replace the electronic expansion valve coil YES Replace the outdoor unit A1P
210. ntrol Set the DS1 1 on the PCB of master outdoor unit to OUT In setting mode 1 set the outdoor unit you want to give cool heat selection permission to as the group master and set the other outdoor units as group slave units When multiple external control adaptors are used and cool heat is selected for each external control adaptor use setting mode 2 and set DS1 and DS2 on the external control adaptors and the unified cool heat address on the outdoor unit main PCB to the same address No For details refer to the following External control adaptor for outdoor unit 5 2 E Le ON En ele 9 C H SELECT E 2 MASTER SLAVE DARN z Ms z B 1 01 02 22 1 22 01 02 pO O X OT 52 ELS Cool Heat To indoor unit To indoor unit lt Master unit gt lt Slave unit gt C H SELECT H C H SELECT MASTER SLAVE r1 SLAVE wis e o 19 oo OUTMULTI MULTI To indoor unit Multi outdoor units connection 83 Test Operation SiBE341001 B Field Setting from Outdoor Unit Supplementation and When switching cool heat for each adaptor PCB with the use of more than one adaptor PCB set the
211. ntrollers 172 Malfunction of transmission between indoor and outdoor units in the same 173 system Improper combination of indoor and outdoor units indoor units and remote 174 controller Address duplication of centralized controller 182 Outdoor Unit Malfunction of transmission between centralized controller and indoor unit 183 System is not set yet 186 9 1 1 System 1 2 3 3 4 7 8 9 E F UH Malfunction of system refrigerant system address undefined 187 Centralized PCB defect Rem E 1 Oore Malfunction of transmission between optional controllers for centralized and control Schedule Improper combination of optional controllers for centralized control a Address duplication improper setting 3 4 5 6 7 8 9 A C 4 5 8 9 A C 4 A C Malfunction of transmission between indoor units and outdoor units 162 Transmission failure Across outdoor units 165 Troubleshooting 10 Troubleshooting by Remote Controller SiBE341001_B OFF Blink Malfunction Operation Malfunction contents Page code lamp Referred Heat Indoor unit s air thermistor error iii Reclaim I Ventilation Outside air thermistor error EE 6A 9 Damprssemetemitrenr Malfunction of simple remote controler Mafulonodorswihorcomedo 9 o mM The system operates for malfunction codes indicated in black squares how
212. o cancel Setting mode 2 lt Caution gt Do not turn off the outdoor unit power during the air tight test The solenoid valves will close and the outdoor unit air tight test will not be possible 2 1 7 Setting of Refrigerant Recovery Mode When carrying out the refrigerant collection on site fully open 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 and some of solenoid valves open turns to display TEST OPERATION blinks TEST OPERATION and UNDER CENTRALIZED CONTROL are displayed on the remote controller and the all indoor outdoor unit operation is prohibited After setting do not cancel Setting Mode 2 until completion of refrigerant recovery operation Collect the refrigerant using a refrigerant recovery unit See the instruction attached to the refrigerant recovery unit for more detail Press Mode button 51 once and reset Setting Mode 2 2 1 8 Setting of Vacuuming Mode In order to perform vacuuming operation on site fully open the expansion valves of indoor and outdoor units and turn on some solenoid valves Operating procedure With Setting Mode 2 while the unit stops set Refrigerant recovery Vacuuming
213. of abnormal signal from fan motor In case of detection of abnormal signal at starting fan motor m Abnormal fan motor signal circuit malfunction m Broken short or disconnection connector of fan motor connection cable m Fan Inverter PCB malfunction A2P Troubleshooting 41001 B Troubleshooting by Remote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check the fan motor corresponding to the malfunction code in the monitor mode Refer to P 106 P 107 for how to check When Confirmation of malfunction 3 shows as follows Q olelelelele Fan motor 1 M1F c LT Explanation for e e e Master unit e o Slave unit 1 Slave unit 2 e o 9 Slave unit 3 Cut the power supply off Check if Signal wire connector for the corresponding fan motor is normal N Ensure correct connection YES Check the connector of the fan motor 1 Check if the resistance of the fan NO motor lead wire between Vcc and Replace the fan motor UVW and between GND UVW are balanced YES Replace the inverter PCB 1 Check the procedure for fan motor connector eFor fan motor 1 replace the 1 Power OFF the fan motor inverter PCB A4P 2 Remove the connector X2A or X4A on the PCB to measure the following resistance value Judgement criteria re
214. on There is a possibility of instantaneous power failure etc Continue the operation Replace the inverter compressor The inverter PCB is not malfunction Return the inverter PCB to Original position Troubleshooting SiBE341001 B Troubleshooting by Remote Controller 2 11 4 Outdoor Unit Malfunction of Outdoor Unit Fan Motor Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting gt RQYQ PY1 RQEQ PY1 2 Detect malfunction based the current value the INVERTER for motor 2 current value in the fan PCB Detect a malfunction for the fan motor circuit based on the number of rotation detected by hole IC during the fan motor operation Overcurrent is detected for INVERTER PCB A2P or fan INVERTER PCB A5P System down is caused by 4 times of detection In the condition of fan motor rotation the number of rotation is below the fixed number for more than 6 seconds System down is caused by 4 times of detection Failure of fan motor Defect or connection error of the connectors harness between the fan motor and PCB The fan can not rotate due to any foreign substances entangled Clear condition Continue normal operation for 5 minutes 118 Troubleshooting Remote Controller SiBE341001_B Troubleshooting Be sure to turn off power switch
215. on one time MODE C On o Off 9 Blinking H1P H1P H1P Test Operation 72 Field Setting from Outdoor Unit SiBE341001_B 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 Used to select COOL or HEAT by individual outdoor unit factory set e COOL HEAT selection MASTER Used to select COOL or HEAT by outdoor unit group with the master unit e COOL HEAT selection SLAVE e Used to select COOL or HEAT by outdoor unit group with the slave unit 2 Check items The following items can be checked 1 Current operating conditions Normal Abnormal In check operation 2 Setting conditions of COOL HEAT selection Individual Batch master Batch slave 3 Low noise operating conditions In normal operation In low noise operation 4 Demand operating conditions In normal operation In demand operation Procedure for changing COOL HEAT selection setting Normally Setting mode 1 is set In case of other status push MODE BS1 button one time and set to Setting mode 1 O ON e OFF 9 Blink Push the SET BS2 button to set uM MODE COOUHEAT select COOL HEAT select Low Demand the blinking of LED to any of Setting displaying item Hip H2P noise H7P conditions sh
216. on valve fully opens and frequency increases I Discharge pipe or low pressure drooping control I Frequency comes to the minimum level High pressure I I I I I I High pressure is imaintained at a iconstant level Frequency To maintain low pressure frequency drops due to the capacity control Frequency drops due to the drooping i control Degree of refrigerant shortage Proper quantity din Higher degree of shortage 195 Troubleshooting SiBE341001 B Troubleshooting by Remote Controller Vacuuming and dehydration procedure Conduct vacuuming and dehydration in the piping system following the procedure for Normal vacuuming and dehydration described below Furthermore if moisture may get mixed in the piping system follow the procedure for Special vacuuming and dehydration described below Normal vacuuming and dehydration 1 Vacuuming and dehydration Use a vacuum pump that enables vacuuming up to 100 7kPa 5 torr 755 mmHg Connect manifold gauges to the service ports of liquid pipe and gas pipe and run the vacuum pump for a period of two or more hours to conduct evacuation to 100 7kPa or less f the degree of vacuum does not reach 100 7 or less even though evacuation is conducted for a period of two hours moisture will have entered the system or refrigerant leakage will have been caused In this case conduct evacuation for a period of a
217. onditions Supposed m Malfunction of transmission between optional controllers for centralized control and indoor Causes unit m Connector for setting master controller is disconnected or disconnection of connector for independent combined use changeover switch B Failure of PCB for centralized remote controller B Defect of indoor unit PCB 183 Troubleshooting SiBE341001 Troubleshooting Troubleshooting Troubleshooting by Remote Controller AN Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check the indoor unit for which uit is displayed Is the transmission malfunction UE caused on all indoor units YES Continued to on the following page Is the power supply of the indoor unit on which the turned Make sure there hazardous situations and then turn ON the power supply Has the setting of central control group No been made with the indoor unit on which the occurred Can the setting of central control group No be made YES Make correct setting of the central control group No NO For VRV systems can the setting of central control group No be made in one and the same refrigerant system NO Check outdoor units to which the refrigerant system is connected Was the centralcontrol
218. or set item No 12 Setting of external low noise demand operation to YES If necessary while in Setting mode 2 select the set item No 30 Setting of Demand 1 level and then set the setting condition to targeted mode B When the normal demand operation is carried out Use of the external control adaptor for outdoor unit is not required 1 While in Setting mode 2 make setting of the set item No 32 Setting of alternate 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 Test Operation 88 Field Setting from Outdoor Unit SiBE341001_B 2 1 6 Air Tight Test Procedure After internal servicing is performed in the field perform the air tight test Fully open the electronic expansion valves of the outdoor unit and indoor unit and turn on some of the solenoid valves Operation procedure With the system stopped use Setting mode 2 and set Refrigerant recovery vacuuming mode setting item No 21 to ON All of the indoor unit and outdoor unit electronic expansion valves fully open and some of the solenoid valves turn on H2P blinks to indicate the test operation and the remote controller displays Test Operation and Under centralized control thus prohibiting operation Close the stop valves on the gas side and liquid side and perform an air tight test at 4 0 MPa Press the button 851 t
219. ot try to install the product yourself Improper installation can result in water or refrigerant leakage electrical shock fire or explosion Use only those parts and accessories supplied or specified by Daikin Ask a qualified installer or contractor to install those parts and accessories Use of unauthorised parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage electrical shock fire or explosion Read the User s Manual carefully before using this product The User s Manual provides important safety instructions and warnings Be sure to follow these instructions and warnings If you any enquiries please contact your local importer distributor and or retailer Cautions on product corrosion 1 Air conditioners should not be installed in areas where corrosive gases such as acid gas or alkaline gas are produced 2 If the outdoor unit is to be installed close to the sea shore direct exposure to the sea breeze should be avoided If you need to install the outdoor unit close to the sea shore contact your local distributor JMI 0107 Dealer ISO 9001 Organization DAIKIN INDUSTRIES LTD AIR CONDITIONING MANUFACTURING DIVISION Scope of Registration THE DESIGN DEVELOPMENT AND MANUFACTURE OF COMMERCIAL AIR CONDITIONING HEATING COOLING REFRIGERATING EQUIPMENT COMMERCIAL HEATING EQUIPMENT RESIDENTIAL AIR CONDITIONING EQUIPMENT HEAT RECLAIM V
220. our way valve Mixing unit 85 x lA o o gt N 0 Inverter M1F Solenoid valve Mixing unit inlet Y9S High pressure sensor S1NPH Thermistor Suction pipe R5T Solenoid valve Hot gas Y4S Solenoid valve Circuit of oil return Y5S High pressure switch For INV S1PH Thermistor Outdoor air Ta 1 Service port Air tight vacuum drying Service port Charge at check operation Air tight and vacuum drying Inverter compressor INV M1C Crankcase heater E1HC Refrigerant Circuit 41001 B Refrigerant Flow for Each Operation Mode 3 Refrigerant Flow for Each Operation Mode 3 1 RQYQ140 180PY1 Cooling operation High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure Indoor unit operation ON Cooling Indoor unit operation OFF Cooling Indoor unit operation ON Cooling Superheated control C eo Filter Thermostat ON Thermostat OFF Heat exchanger Heat exchanger e mn o 5 Fan ON Fan OFF Fan ON Electronic expansion Electronic expansion valve El
221. outdoor unit monitor mode Refer to P 106 P 107 1 Set the high pressure gauge upright 2 Connect the checker for VRV to the gauge Are the characteristics of the high pressure sensor normal Make a comparison between the voltage characteristics 2 and the gauge pressure NO Replace the high pressure sensor YES If the PCB pressure detection normal ee a comparison between the checker pressure data and the voltage characteristics id NO Replace the main YES Reset the operation and then restart the outdoor unit Are the characteristics of the high pressure sensor normal NO Replace the high pressure sensor YES Replace the main 1 Pressure sensor subject to malfunction code Malfunction code Pressure sensor subject to malfunction code Electric symbol High pressure sensor S1NPH 2 Voltage measurement point Outdoor unit PCB A1P 5V X32A Red 5 GND 3 Black d 5 9 2 d Micro computer 1 White A D input 2 Measure DCvoltage here 2 Refer to Pressure Sensor Pressure Voltage Characteristics table P201 135 Troubleshooting SiBE341001 B Troubleshooting by Remote Controller 2 20 Outdoor Unit Malfunction of Low Pressure Sensor Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed
222. outdoor unit rotation is not functional Test Operation SiBE341001 B Troubleshooting Part 6 Troubleshooting 1 Symptom based Troubleshooting 94 2 Troubleshooting by Remote Controller 97 2 4 he lNSPEGCTIONJ TEST ti veran debita Us 97 2 2 Self diagnosis by Wired Remote Controller 98 2 3 Remote Controller Service Mode 99 24 Test hum A 102 2 5 Remote Controller Self Diagnosis Function 102 2 6 Er Outdoor Unit PCB 110 2 7 te Outdoor Unit Actuation of High Pressure Switch S1PH or Pressure SWICK a eee areca Dun Od mE Rc 111 2 8 Outdoor Unit Actuation of High Pressure Switch S1PH or Pressure 112 2 9 Outdoor Unit Actuation of Low Pressure Sensor 114 2 10 5 Outdoor Unit Inverter Compressor Motor Lock 116 2 11 27 Outdoor Unit Malfunction of Outdoor Unit Fan Motor 118 2 12 5 Outdoor Unit Malfunction of Electronic Expansion Valve Goll uuu bu 121 2 13 75 Outdoor
223. own on the right H3P jo H5P H6P o e For selection in a batch of outdoor unit with unit For selection in a batch of outdoor unit group with slave unit Push the RETURN 853 button to Pushing the IRETURN 53 button will return the system to the initial condition of determine the setting Setting mode 1 Procedure for checking check items The system is normally set to Setting mode 1 Should the system be set to any mode other than that push the MODE BS1 button to set the system to Setting mode 1 COOL HEAT select EAT COOL HEAT select IND MASTERISLAVE noise dra E K Ka Current operating conditions e Normal OAbnormal OQ n preparation or in check operation Setting of COOL HEAT selection Oe e By individual outdoor unit eO In a batch of outdoor unit group with master unit e eO batch of outdoor unit group with slave unit Check the system for each condition through LED displays Refer to p information in table on the right Low noise operating conditions en normal operation Oln low noise operation Pushing the RETURN BS3 button will bring the system to the initial state of Setting mode 1 Demand operating conditions en normal operation V2763 Oln demand operation 73 Test Operation SiBE341001 B b Setting mode 2 Push and hold thetMODE 851 button for 5 seconds and set to Setting mode 2 Selection of
224. parator to the INV 29 Pressure regulating valve 19 Refrigerant Circuit SiBE341001 B Refrigerant C 0 3811 LINN SNIXIN 01 GION3 IOS SK 3ATVA MOAHO YANIVELS HO1Vuvdas 9915 3ATVA MO3HO 34nss3ud H9IH HOSN3S HdNIS a ued Sz 81 1 5 2 uan HOLIMS 3ATVA 55 GION310 S EN SML LL CN 105 8871 gt 1259 HOLIMS 3919 H39NVHOX3 3A1VA AVM HNOA 1HOd 39IAH3S yanl NOISNVdX3 OINOH1O313 INVA wa zz HOlYn93u p GION310S 5 NOISNvdX3 9 9 D O9INOd10313 ANTWA 3ATVA GION3 IOS PK g 9 H3NIVHIS GION3 10S NOLLO3NNOO Wwe Z gt LHOd 3OIAH3S HLIM 3ATVA 8015 adld SVO NOILONS L 3dld SVD aunssatid HDIH 3dld LON SI 3dld SIHL 144081 0710 N3HM 2 3dld 579 SI LI 144081 070 N3HM Is 3D066010B 20 Ircul Refrigerant C Refrigerant Circuit SIBE341001 B 1 2 BS Unit Symb Electronic expansion valve EVSC In simultaneous cooling and h
225. pipe length of REFNET joint to be 0 5m that of REFNET header to be 1m calculation purposes See Note 1 Next page s Total extension length Total pipe length from outdoor unit 2 to all indoor units lt 300m Between outdoor unit and Outdoor unit multi Actual pipe length connection piping kit Only for multi system Equivalent length Allowable Between outdoor and indoor units Difference in height Difference in height between outdoor and indoor units H1 lt 50m height Between indoor and indoor units Difference in height Difference in height between indoor units H2 lt 15m length Between outdoor and outdoor units Difference in height Difference in height between outdoor unit H3 lt 5m 4 Pipe length between outdoor unit and outdoor unit multi connection piping kit lt 10m equivalent length between outdoor unit and outdoor unit multi connection piping kit lt 13 Outdoor unit r lt 10m Equivalent length lt 13m s lt 10m Equivalent length lt 13m t 10m Equivalent length lt 13m 40m if the outdoor unit is below Al ieii h Pipe length from first refrigerant branch kit either REFNET joint or REFNET header to indoor unit lt 40m owable length after the branc Example unit 8 6 c d e f g lt 40m Example unit 6 b h lt 40m unit 8 i k lt 40m Example unit 8 i lt 40m Refrigerant branch kit selection How
226. place Using the welder in an enclosed room can cause oxygen deficiency 1 1 2 Cautions Regarding Products after Repair Be sure to use parts listed in the service parts list of the applicable model and appropriate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools can cause an electrical shock excessive heat generation or fire When relocating the equipment make sure that the new installation site has sufficient strength to withstand the weight of the equipment If the installation site does not have sufficient strength and if the installation work is not conducted securely the equipment can fall and cause injury Be sure to install the product correctly by using the provided standard For integral units installation frame only Incorrect use of the installation frame and improper installation can cause the equipment to fall resulting in injury Be sure to install the product securely in the installation frame mounted 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
227. place it with the correct spare PCH P YES NO Check if the spare PCB setting is correct Correct the setting to reset the power YES Replace the spare PCB Diagnosis Flow 4 Confirmation of malfunction 3 Confirmation of malfunction 4 Wrong connection malfunction Are indoor units only for VRV Is any residential one included Exclude residential indoor units from the system Replace the outdoor unit PCB 177 Troubleshooting SiBE341001 B Troubleshooting by Remote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 5 Confirmation of malfunction 3 Confirmation of malfunction 4 BS malfunction Excessive number of indoor units connected Is the number of indoor units downstream of BS within the specified number Decrease the number of indoor units downstream of BS to the specified number or fewer Replace the outdoor unit PCB Diagnosis Flow 6 Confirmation of malfunction 3 Confirmation of malfunction 4 9000099090000999 Faulty wiring between outdoor units and BS units Is the wiring between the outdoor unit and the BS unit correct Correct the wiring Replace the outdoor unit PCB Troubleshooting 178 Troubleshooting by Remote Con
228. place the indoor unit PCB Is indoor outdoor and outdoor outdoor unit transmission wiring normal After fixing the incorrect wiring push and hold the RESET button on the master outdoor unit PCB for 5 YES seconds The unit will not run for up to 12 minutes Wiring check operation may not have been carried out successfully 186 SiBE341001 B Troubleshooting by Remote Controller 2 41 un Malfunction of System Refrigerant System Address Undefined Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes 187 All indoor unit models RQYQ PY1 RQEQ PY1 Detect an indoor unit with no auto address setting The malfunction decision is made as soon as the abnormality aforementioned is detected Improper connection of transmission wiring between indoor outdoor units and outdoor outdoor units m Defect of indoor unit PCB m Defect of outdoor unit main PCB A1P Troubleshooting SiBE341001 B Troubleshooting Troubleshooting Troubleshooting by Remote Controller Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Does a malfunction occur even after 12 minutes elapses from the time when electricity is introduced to indoor and outdoor units Is electricity being introduce for the first
229. pressing the inspection button Supposed Open phase Causes Voltage imbalance between phases Defect of main circuit capacitor Defect of inverter PCB Defect of K2M relay in inverter PCB Improper main circuit wiring 151 Troubleshooting SiBE341001 B Troubleshooting Troubleshooting Troubleshooting by Remote Controller Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Imbalance in supplied voltage is in excess of 6 Is the voltage imbalance applied to the inverter in excess of 6 V abnormalities observed the power supply but the imbalance In voltage recurs Using a device capable of constant recording of power supply voltage record power supply voltage between 3 phases R S S T R T for about one continuous week YE YES i Open phase Open phase Normalize field cause NO Fix power supply voltage imbalance Part or wiring defect After turning the power supply YES OFF check and repair the main circuit wiring or parts 1 Loose or disconnected wiring between power supply and inverter 2 K2M contact disposition When voltage monitoring is possible gt fusion or contact is poor 3 Loose or disconnected noise filter 1 Measure voltage at the X1M power supply terminal block 2 Measure voltage at terminals R S and T of the diode module insi
230. rating priority for the control Outdoor unit rotation makes it possible to change the operating priority of outdoor units Thus the system becomes free of compressors that stop over an extended period of time at the time of partial loading preventing unbalanced oil level Timing of outdoor unit rotation Or e At the beginning of the starting control When any of outdoor unit stops for a period of 20 minutes or more in heating Example The following diagram shows outdoor unit rotation in combination of 3 outdoor units in heating Starting control Normal operation d Master Slave 1 Slave 2 1 Outdoor unit rotation Priority Priority Priority 1 2 3 lt ln Heating gt Any of outdoor unit stops for a period of 20 Normal operation minutes or more Normal operation x x gt Master Slave 1 Slave 2 Master Slave 1 Slave 2 Outdoor unit Priority Priority Priority rotation Priority Priority Priority 1 2 3 3 1 2 Master unit slave unit 1 and slave unit 2 in this section are the names for installation They are determined in installation work and not changed thereafter These names are different from master unit and slave unit for control The ou
231. ration Troubleshooting SiBE341001 B Symptom based Troubleshooting Symptom Subposed Cause Indoor unit Immediately after turning ON the power supply indoor unit produces ringing sounds 11 The system produces sounds Indoor and outdoor units Hissing sounds are continuously produced while in cooling or defrosting operation Indoor and outdoor units Hissing sounds are produced immediately after the startup or stop of the system or the startup or stop of defrosting operation Indoor unit Faint sounds are continuously produced while in cooling operation or after stopping the operation Indoor unit Creaking sounds are produced while in heating operation or after stopping the operation Indoor unit Sounds like trickling or the like are produced from indoor units in the stopped state Outdoor unit Pitch of operating sounds changes 12 Dust comes Dust comes out from the from the system system when it restarts after the stop for an extended period of time 13 Odors come out In operation from the system 14 Outdoor unit fan does not rotate 15 LCD display 88 appears on the remote controller Immediately after turning ON the power supply 16 The outdoor unit After stopping operation compressor or the outdoor unit fan does not stop 18 Hot air comes out from the system even though it stops 19 The
232. rigerant 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 voltage electricity to the electrical components of the outdoor unit Be sure to discharge the capacitor completely before conducting repair work A charged capacitor can cause an electrical shock Do not start or stop the air conditioner operation by plugging or unplugging the power cable plug Plugging or unplugging the power cable plug to operate the equipment can cause an electrical shock or fire Introduction SIBE341001 Do 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
233. ring Correct the connection of the connector Replace the centralized controller Centralized controller Normal V7 It is supposed that the malfunction results from external factors e g noises from other equipment Troubleshooting SiBE341001 B Troubleshooting by Remote Controller 2 40 ur System is not Set yet Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting Ta n gt All indoor unit models RQYQ PY 1 RQEQ PY 1 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 B improper connection of transmission wiring between indoor outdoor units and outdoor outdoor units Failure to execute check operation B Defect of indoor unit PCB m Stop valve is left in closed Be sure to turn off power switch before connect disconnect connector Caution or parts damage may be occurred Are the stop valves NO opened YES Open the stop valve Is indoor outdoor and outdoor outdoor unit transmission wiring normal NO Is the check YES operation carried out Re
234. riteria Remarks 2 15 15kQ and Due to condenser charge W P2 so resistance including Measurement may require some time 2 15 PCB Circuit Diagram N3 P2 Troubleshooting To use digital tester Measurement is executed in the diode check mode i of Measurement Judgement Criteria Remarks Due to condenser charge and so on resistance 1 2V and over measurement may require some time 0 3 0 7V Due to condenser charge and so on resistance 1 2V and over measurement may require some time L2A ed N P1 mm am 192 Troubleshooting by Remote Controller SiBE341001_B 11540 40 Check for causes of wet operation Referring to the Fault Tree Analysis FTA shown below identify faulty points Faulty crankcase heater Frequent ON OFF of compressor Overcharge of refrigerant Refer to information in the Check 6 section Refrigerant accumulation Faully indoor Faulty valve coil lt Does the valve coil have normal unit electronic resistance and insulation Refer to information the Check 11 Cooling expansion valve Faulty valve body section Indoor unit electronic Faulty indoor unit expansion Is the connector correctly connected valve opens gas pipe thermistor Are the thermistor resistance 5 too mu
235. roller to find out the cause Defect H2P ON Repair the defect part according to the list on the installation manual 2 After confirmed that it s back in a normal condition press TEST button BS4 for longer Startup and waiting operation for stable than 5 seconds conditions approx 10 to 25 min It starts warming up for the operation and LED indication turns as right descriptions The outdoor and indoor unit fan is operated in Close all the outside panels after putting back the service cover 2 order to stabilize the refrigerant conditions And then the compressor starts operation Operation to check stop valve and mis wiring approx 5 min Contamination prevention is operated at the same time Operation to check refrigerant amount approx 10 to 20 min Check the refrigerant amount and make adjustments Contamination prevention is operated at the same time 1 When the system stop operation open the outside panel of the EL compo box then check the LED indications through the inspection door If the LED indicate as right connect the refrigerant tank to the us en ue refrigerant re charging port Press the test operation button 854 for longer than 5 seconds connect the refrigerant tank as after connection of the refrigerant tank LED change indications then re start Use a refrigerant cylinder with sufficient amount of refrigerant S
236. rring to the failure factor analysis FTA as follows 191 1 2 3 4 5 Faulty hot gas bypass control Hot gas circuit clogging Defective solenoid valve coil Defective solenoid valve body lt Check if coil resistance and insulation are normal Defective control PCB Subcooling electronic Faulty discharge pipe In cooling mode only Faulty subcooling electronic expansion valve failure temperature control Control expansion valve control EV2 failure Faulty of four way valve operation Superheat due to shaft damage Superheat due to defective compressor middle position valve Compressor overheat Q Four way valve is in the Defective valve coil Check if coil resistance and insulation are normal Defective valve oay Defective low pressure sensor Defective subcoolin heat exchanger outlet lt Check if the connector is connected properly thermistor Check if the thermistor resistance property is normal lt Check if the pressure value given by the service checker corresponding to actual measurement value by the sensor lt Check if the voltage property is normal Defective control PCB lt Check if the piping temperature connected to the four way valve is normal Leak from hot gas bypass Indoor unit Defective valve coil lt Check if coil resistance and insulation are electronic expansion
237. rter PCB 146 Troubleshooting Remote Controller Troubleshooting 147 SiBE341001_B Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred NO Check if it is the first time to start after installation YES Check if a right amount of refrigerant is charged NO YES Check if the stop NO valve is open YES Refrigerant is melting in refrigerant oil The unit is out of power supply for more than 6 hours YES NO Check if the insulation resistance of the compressor is more than 100kQ NO YES Check if the compressor lead wires are disconnected YES NO Go on to the next page Starting failure due to aged operation Charge a right amount of refrigerant Open the stop valve Cancel the melting state of refrigerant Cancel the melting state of refrigerant Fix the compressor lead wire Correct the wiring then supply the power to restart Troubleshooting SiBE341001 B Troubleshooting Troubleshooting Continued from the previous page Start failure due to aged operation Refrigerant is melting in refrigerant oil The unit is out of power supply for more than 6 hours NO YES Check if the insulation resistance of the compressor is 100 or over NO YES Broken wire inside YES the compressor
238. s the outdoor outdoor unit transmission wiring has no broken wires in it If there is no continuity the transmission wiring may have broken wires With the outdoor outdoor unit terminal parts of the Outdoor Unit A short circuited conduct continuity checks between the transmission wiring terminal blocks F1 and F2 of the unified ON OFF controller If there is no continuity as well conduct continuity checks between the outdoor outdoor unit terminal parts of the Outdoor Unit E between the outdoor outdoor unit terminal parts of the Outdoor Unit D between the outdoor outdoor unit terminal parts of the Outdoor Unit in the order described thus identifying the place with continuity If the place with continuity can be identified there may be broken wires in places before the said place with continuity Procedure for checking indoor outdoor unit transmission wiring for broken wires for checking the indoor outdoor unit transmission wiring of the Outdoor Unit C for broken wires Turn OFF the power supply to all equipment short circuit between the indoor outdoor unit terminal parts F1 and F2 in the Outdoor Unit C and then conduct continuity checks between the transmission wirings F1 and F2 of the Indoor Unit a that is farthest from the Outdoor Unit C using a multiple meter If there is continuity between the said transmission wirings the indoor outdoor unit transmission wiring has no broken wires in it If there is no continuity
239. sed to operate the indoor unit in forced operation operation mode Change of targeted evaporation temperature in cooling In cooling operation used to change the targeted evaporation temperature for compressor capacity control Change of targeted condensing temperature in heating m Used to change a temperature at which the defrost defrost operation is initiated thus making the initiation easy or hard B n heating operation used to change the targeted condensing temperature for compressor capacity control B f the compressor has a failure used to prohibit the operation of compressor s Emergency concerned or outdoor unit s concerned and operation to conduct emergency operation of the system only with operable compressor s or outdoor unit s 3 4 5 7 Used to recover refrigerant on site Refrigerant With operations of indoor and outdoor units recovery mode prohibited fully open the expansion valve of the indoor and outdoor units 1 of solenoid valves Use vacuum pump to conduct vacuuming m Used for the troubleshooting of DC Power transistor CAP ESROS 11 check mode Inverter waveform output makes it possible Used to conduct vacuuming on site Fully open the expansion valves of the 0 Vacuuming mode indoor and outdoor units and energize some to judge whether a malfunction results from the compressor or the PCB Field Setting from Outdoor Unit Overview of setting proced
240. select the REFNET joint How to select the REFNET header and Refrigerant branch kit selection e When using REFNET joint at the first branch counted from the outdoor unit side e Choose from the following table in accordance with the total capacity index of all choose from the following table in accordance with the outdoor unit capacity type the indoor units connected below the REFNET header Refrigerant branch kit must be used to Example REFNET joint A 250 type indoor unit not connected below the REFNET header prescribed kit Outdoor unit capacity type Refrigerant branch kit name Indoor unit total capacity index Refrigerant branch kit name Use this table for kit selection Q280 type KARP25A33T 3 pipes 2 pipes Q360 712 type KHRP25A72T KHRP25M72TP x lt 200 KHRP25M33H KHRP26M22H or KHRP26M33H Q744 type KHRP25A73T KHRP25M73TP 200 lt x lt 290 KHRP26M33H e Choose the REFNET joints other than the first branch from the following table in accordance 290 lt x lt 640 KHRP25M72H KHRP25M72HP KHRP26M72H Outdoor unit r lt 10m Equivalent length lt 13m u s lt 10m Equivalent length lt 13m u t lt 10 Equivalent length lt 13m lt 50m Max 40m if the outdoor unit is below with the total capacity index of all the indoor units connected below the joint 640 x KHRP25M73H KHRP
241. setting items Push the SET BS2 button and set the LED display to a setting item shown in the table on the right Push the BS3 button decide the item present setting condition is blinked lt Selection of setting conditions gt Push the SET BS2 button and set to the setting condition you want Push the RETURN BS3 button decide the condition Push the RETURN 853 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 Test Operation Field Setting from Outdoor Unit Setting Used to make setting of contents to display on the digital Digital pressure gauge kit display E gauges e g pressure sensors and temperature ed Sets address for cool heat unified operation 0 demand Address for low noise demand operation Used to conduct test operation without making changes 3 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 Indoor unit forced 6 operation Allows forced operation of indoor unit 8 setting Target evaporation temperature for cooling EN Tc setting Target condensation temperature for heating 10 Defrost changeover Changes the temperature condition for defrost and sets to set
242. sistance value between each phase is within 20 Connector for signal wires X2A or X4A X2A 5 Gray C GND 4 Pink C Vcc Measure the resistance between Vcc 3 Orange W ST 2 Blue C V 1 Yellow C U Troubleshooting 130 Troubleshooting by Remote Controller SiBE341001_B 2 17 5 Outdoor Unit Malfunction of Thermistor R1T for Outdoor Air Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting 131 gt w RQYQ PY1 RQEQ PY1 Malfunction is detected from the temperature detected by the outdoor air thermistor When the outdoor air temperature thermistor has short circuit or open circuit m Defective outdoor air thermistor connection m Defect of outdoor air thermistor R1T for outdoor air m Defect of outdoor unit PCB A1P Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check the connection of connector to X18A of outdoor PCB A1P a Connect the connector correctly YES Remove the connector for the thermistor R1T from the outdoor PCB A1P and measure the resistance with a tester NO Replace the outdoor air thermistor R1T Resistance is normal YES Replace the outdoor unit PCB A1P Refer to Thermistor Resistance Temperature Characteristics table on 199
243. sor In cooling Short circuit lt Is the suction air temperature not more High suction air temperature of indoor unit High suction air temperature of indoor unit condenser ae Faulty suction air thermistor of indoor unit In heating High suction air temperature of outdoor unit Faulty outdoor temperature thermistor of outdoor unit Degradation in condensing capacity Dirty condenser Mixing of non condensable gas Excessive refrigerant charging Improper model selection In heating High outdoor air temperature Short circuit High outdoor air temperature than 43 C lt 15 the outdoor temperature not more than 43 C lt 15 the suction air temperature not more than 27 C lt 15 the indoor temperature not more than 27 C lt 15 the connector properly connected Are the thermistor resistance characteristics normal lt 15 the outdoor temperature not more than 16 CWB lt ls the connector properly connected Are the thermistor resistance characteristics normal lt Is the heat exchanger clogged In cooling lt ls air or else mixed in the refrigerant system Faulty fan motor Faulty control lt Can the fan motor be rotated with hands Are the motor coil resistance and insulation normal PCB Including If a spare is mounted is the capacity capacity setting properly made setting Dirty filter lt Is the air filter clogged
244. ssary quantity of refrigerant n case of construction during rainy reason if dew condensation occurs in the piping due to extended construction period or rainwater or else may enter the piping during construction work Troubleshooting 196 Troubleshooting by Remote Controller SiBE341001_B 8 List of inverter related malfunction codes E overcurrent of e Inverter output current exceeds 32 3A even Liquid sealing inverter compressor instantaneously e Faulty compressor e Faulty inverter Overcurrent of inverter Compressor overload running Backflow of compressor liquid compressor Electronic thermal An overcurrent of 19 0A or more continues for Sudden changes in loads a period of 5 consecutive seconds or that of Disconnected compressor wiring 16 1A or more continues for a period of 260 Faulty inverter consecutive seconds The inverter loses synchronization Faulty inverter PCB No output is given e Faulty heavy current part of compressor Faulty startup of inverter The compressor motor fails to start up e Liquid sealing or faulty compressor compressor Excessive oil or refrigerant e Faulty inverter M Inverter compressor lock The compressor is in the locked status does Faulty compressor not rotate Radiator fin temperature rise The radiator fin temperature reaches 87 C or Malfunction of fan more while in operation e Running in overload for an
245. sure sensor Causes B Defect of connection of connector for high pressure switch S1PH or pressure switch S2P B Defect of high pressure switch S1PH or pressure switch S2P Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check the outdoor unit in the monitor mode Are the characteristics of the high pressure sensor normal Replace the high pressure sensor connector connection on PCB concerned Connect the connector correctly continuity at the high pressure switch S1PH and pressure switch S2P Replace the high pressure switch S1PH and or pressure switch S2P Replace the main PCB A1P of the unit concerned 111 Troubleshooting SiBE341001 B Troubleshooting by Remote Controller 28 3 Outdoor Unit Actuation of High Pressure Switch S1PH or Pressure Switch S2P 2 2 Remote Controller Display Applicable RQYQ PY1 Models RQEQ PY1 Method of Abnormallity is detected by the protection device circuit that detects continuity at the high Malfunction pressure switch S1PH and pressure switch S2P Detection Malfunction When the contact of the high pressure switch S1PH or pressure switch S2P opens Decision Reference Operating pressure of high pressure switch S1PH Conditions Operating pressure 4 0MPa Reset pressure 3 0MPa Operating pressure of pressure switch S2P Op
246. system are pressed Pump down residual operation may occur for up to 5 minutes at the outdoor unit after operation was stopped from the remote controller Outdoor unit fan low speed operation may also occur if the Night time low noise setting or the External low noise setting is used If check operation after installation was not performed by pressing the TEST button or if the check operation was not completed normally error code 03 appears and normal operation is not possible Be sure to follow the instructions in 1 2 Check Operation and complete the check operation procedure Test Operation 68 Field Setting from Outdoor Unit SiBE341001_B 2 Field Setting from Outdoor Unit 21 Field Setting from Outdoor Unit 2 1 1 List of Field Setting Items This following section indicates the list of field setting items For the lists of dip switch contents Setting mode 1 and Setting mode 2 refer to information in tables shown on the following page onward For setting items of 1 refer to detailed information provided on page 80 onward 1 Function setting items Setting item Content and objective of setting Overview of setting procedure m COOL HEAT selection methods possible to select from the following 1 Control by each outdoor unit using the In order to use the COOL HEAT selection indoor unit remote controller remote controller set the DS1 1 on the outdoor 2 Control by each outdoor unit using the unit PCB to OUT CO
247. system does The system is in dry operation not cool air well Troubleshooting The outdoor gets While stopping operation hot Hot air is felt while the system On VRV systems small quantity Normal operation These are operating sounds of the electronic expansion valve of the indoor unit These sounds are produced from gas refrigerant flowing respectively through the indoor and outdoor units These sounds are produced when the gas refrigerant stops or changes flowing These sounds are produced from the drain discharge device in operation These sounds are produced from resin parts expanding and contracting with temperature changes On VRV systems these sounds are produced when other indoor units in operation The reason is that the system runs in order to prevent oil or refrigerant from dwelling Normal operation This sound becomes low after a lapse of approximately one minute Normal operation Normal operation Normal operation Normal operation Normal operation The reason is that the compressor Normal operation changes the operating frequency Dust which has deposited on the inside of indoor unit is blown out from the system Odors of room cigarettes or else adsorbed to the inside of indoor unit are blown out The reason is that the system is checking to be sure the remote controller is normal It stops in order to prevent oil or refrigerant from dwelling
248. t P IDEMAND IN 1 C H SELECTOR A B C C CP x F2 01 02 Remote Remote controller controller Test Operation 80 Field Setting from Outdoor Unit Set Cool Heat Separately for Each Outdoor Unit System by Cool Heat Selector It does not matter whether or not there is outdoor outdoor unit wiring Set outdoor unit PCB DS1 1 to OUT factory set Set cool heat switching to IND individual for Setting mode 1 factory set 81 L N O P DEMAND C H SELECT R C OUT MULTI C 01 02 O O O O O Cool Heat selector controller controller SiBE341001_B Test Operation SiBE341001 B Field Setting from Outdoor Unit Set Cool Heat for More Than One Outdoor Unit System Simultaneously Accordance with Unified Master Outdoor Unit by Indoor Unit Remote Controller Install the external control adaptor for outdoor unit on either the outdoor outdoor indoor outdoor transmission line Set outdoor unit DS1 1 to IN factory set n setting mode 1 set the outdoor unit you want to give cool heat selection permission to as the group master and set the other outdoor units as group slave units Setthe outdoor unit external control adaptor 551 to BOTH factory set or C H and SS2 to OFF factory set
249. t of oil in the mixing unit Four way valve Heat 11 exchanger Used to switch the operation mode between cooling and heating Four way valve Dual Used to switch dual pressure gas pipe to high pressure low pressure Four way valve Mixing unit Use to adjust the amount of refrigeration oil and clean pipes during check operation Y9S Solenoid valve Mixing unit Use to adjust the amount of refrigeration oil and clean pipes during check operation inlet Use to prevent refrigerant from flowing into the mixing unit during normal operation Thermistor Outdoor air Ta Used to detect outdoor temperature correct discharge pipe temperature and others i i Used to detect discharge pipe temperature Used for compressor temperature Thermistor Discharge pipe protection control This detects temperature of liquid pipe between the air heat exchanger and main 17 R3T aaa Heat exchanger electronic expansion valve Used to make judgements on the recover or discharge IDD refrigerants to the refrigerant regulator This detects temperature of gas pipe for air heat exchanger Used to exercise the 18 R4T Thermistor Heat exchanger constant control of superheated degree when an evaporator is used for outdoor unit gas pipe heat exchanging 19 7 Thermistor Suction pipe Used to detect suction pipe temperature R6T Thermistor Heat exchanger Used to detect
250. t run Confirmation malfunction 3 Confirmation malfunction 4 0 P Check internal and external transmission and make a test run 161 Troubleshooting SiBE341001 B Troubleshooting by Remote Controller 2 33 Malfunction of Transmission between Indoor Units and Outdoor Units Remote 1 71 Controller Display Applicable All indoor unit models Models RQYQ PY1 RQEQ PY1 Method of Check if the transmission between indoor unit and outdoor unit is correctly executed using Malfunction micro computer Detection Malfunction When transmission is not carried out normally for a certain amount of time Decision Conditions Supposed m Indoor to outdoor outdoor to outdoor transmission wiring F1 F2 disconnection short circuit Causes or wrong wiring Outdoor unit power supply is OFF System address does not match Defect of outdoor unit main PCB A1P Defect of indoor unit PCB Troubleshooting 162 Troubleshooting Remote Controller SiBE341001_B Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution orparts damage may be occurred Check the detailed malfunction status in the monitor mode Refer to P 106 P 107 Confirmation of malfunction 4 LED lamp indicates as NO Go on to the next page follows LED lamp display
251. t sunlight received Hang curtains or shades on windows In cooling Too many persons staying ina The model must be selected to room match the air conditioning load In cooling Too many heat sources e g OA equipment located in a room The system does The system stops and If the OPERATION lamp on the Normal operation The system will not operate immediately restarts operation remote controller turns ON automatically start operation after system will be normal These a lapse of five minutes symptoms indicate that the system is controlled so as not to put unreasonable loads on the System The remote controller displays The system is controlled with Operate the system using the UNDER CENTRALIZED centralized controller Blinking COOL HEAT centralized remote CONTROL which blinks for a display indicates that the system controller period of several seconds cannot be operated using the when the OPERATION button remote controller is depressed The system stops immediately The system is in preparation Wait for a period of approximately after turning ON the power mode of micro computer one minute supply operation The system The remote controller displays The system stops due to Hemove causes of electrical makes malfunction codes 04 and interruption in communication noises intermittent 05 and the system stops but between units caused by If these causes are removed the stops restarts after
252. tand by for a stable condition after the restart approx 1 to 3 min 2 Open the valve of the refrigerant tank after LED indications turns as right 3 Press the TEST button BS4 once within 3 min after opening LED indicate to open the valve of the refrigerant tank as on the right and wait to th LED ch indications e valve change indicat press the TEST button 854 Immediately close the inspection door and all the outside panels 2 Operation for re charging of refrigerant 1 60 min Contamination prevention is operated at the same time When re charging is not required 3 When re charging is required 4 If the malfunction code is displayed on the remote controller open the outside panel of the EL compo box check the LED indications through the inspection door The system stop operation due to insufficient re charging of refrigerant then LED indicate to replace the refrigerant tank as on the right Automatic measuring of piping length approx 1 min This is to check the length of field pipings 4 After the system stop operation open the outside panel of the EL compo box then check the LED indications through the inspection door When completed properly e Disconnect the refrigerant tank Abnormal stop due to the low pressure drops Close all the outside panels after putting back the inspection door H2P Blinking When abnormal stop
253. tdoor unit connected the control wires F1 and F2 for the indoor unit should be designated as main unit Consequently The LED display on the main PCB for master unit slave unit 1 and slave unit 2 do not change Function 56 Detailed Control Functions 5 41001 2 7 5 Cooling heating mode Single room cooling under mixed cooling and heating conditions heating First close all of the indoor unit electronic expansion valve and BS unit electronic expansion valves 2 Y4E and Y5E under the cooling operation condition Next open the electronic expansion valve Y2E and perform an equalizing operation Subsequently both the electronic expansion valve Y4E and the indoor unit electronic expansion valve open to become a heating circuit The changeover time is about 6 minutes However this can be shortened from 6 minutes to 4 minutes depending on the onsite setting 1 Cooling operation Indoor Unit r Liquid pipe HP LP gas pipe Y Suction gas pipe Coolin 2 Pressure equalizing Indoor Unit BS Unit Liquid pipe HP LP gas pipe Close ee ee tee 21 Y5E Close Suction gas pipe 3 Heating operation Indoor Unit BS Unit Liquid pipe m HP LP gas pipe Suction gas pipe 57 Function SiBE341001 B Detailed Control Functions Single room heating under mixed cooling and heating conditions cooling
254. tep or lower O90600 00 About 20 00 0900000 About 22 00 factory setting Oeo 000 About 24 00 ox x x yor X About 6 00 20290000900 About 7 00 ox xXx x xox D 8 00 factory setting 0 09900900 ON 09900900 60 demand O9060000O 70 demand oOeeeoee Night time low noise setting Low noise setting Night time low noise operation start setting Night time low noise operation end setting Power transistor check mode Capacity precedence setting Demand setting 1 Normal demand setting Setting of difference in elevation for the outdoor unit 29000000 oOeeeoeo 0900000 operation Master unit with multi outdoor unit system is inhibited to Emergency operation Slave unit 1 and 2 with multi outdoor unit system is inhibited to operate 0900000 090000 e 0900000 operation Slave unit 3 with multi outdoor unit system is inhibited to operate 290000 0 Automatic judgement O00000 Master Slave 1 09000 0 Slave 2 oeee 900 Slave 3 09909 00 Master slave set up for multi outdoor units 77 Test Operation SiBE341001 B c Monitor mode To enter the monitor mode push the MODE BS1 button when in cun 1 lt Selection of setting item gt Push the SET BS2 button and set the LED display to a setting item lt Confirmation on setting contents gt
255. the compressor is 100kQ or below YES NO Compressor coils YES are disconnected NO Check 4 Check if the power transistor is normal YES Connect the compressor lead wires then restart the operation Malfunction code 0 is displayed again YES NO NO Check if the pressure difference between high pressure and low pressure before restarting is 0 2 or below NO YES Referring to the information on P 192 145 Open the stop valve Replace the compressor lead wires Correct the wiring and connection Replace the inverter compressor Replace the inverter compressor Replace the inverter PCB Continue the operation Defective pressure equalizing in the refrigerant circuit Inspection of the compressor Troubleshooting SiBE341001 B Troubleshooting by Remote Controller 2 25 4 5 Outdoor Unit Inverter Compressor Starting Failure Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting eo lt gt RQYQ PY1 RQEQ PY1 Detect the failure based on the signal waveform of the compressor Starting the compressor does not complete Failure to open the stop valve Defective compressor Wiring connection error to the compressor Large pressure difference before starting the compressor Defective inve
256. thermistor Connector Discharge pipe thermistor M1C X29A Collective thermistor Heat exchanger liquid pipe thermistor Heat exchanger liquid pipe thermistor Heat exchanger gas pipe thermistor X30A Collective Heat exchanger thermistor R6T Subcooling heat exchanger liquid pipe thermistor Liquid pipe thermistor Subcooling heat exchanger gas pipe 871 thermistor thermistor Suction pipe thermistor 2 Refer to Thermistor Resistance Temperature Characteristics table on P 199 Troubleshooting SiBE341001 B 2 19 Jm Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes Troubleshooting Troubleshooting by Remote Controller Outdoor Unit Malfunction of High Pressure Sensor wwe RQYQ PY1 RQEQ PY1 Malfunction is detected from the pressure detected by the high pressure sensor When the high pressure sensor is short circuit or open circuit Not less than 4 22MPa or 0 01MPa and below Defect of high pressure sensor Connection of low pressure sensor with wrong connection Defect of outdoor unit PCB Defective connection of high pressure sensor 134 Troubleshooting Remote Controller SiBE341001_B Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage be occurred Confirm which high pressure sensor is abnormal using
257. ting quick defrost or slow defrost 11 Sequential Sets sequential operation operation setting Factory set to ON External low noise 12 setting Demand Reception of external low noise or demand signal setting 1 address Set address for Make this setting to conduct heating operation with hot this setting the case of operating high static High static pressure pressure mode with diffuser duct mounted setting order to mount the diffuser duct remove the cover the outdoor unit fan Carries out additional refrigerant charge operation Refrigerant recovery 21 vacuuming mode Sets to refrigerant recovery or vacuuming mode setting Sets automatic nighttime low noise operation in a simple Night time low way Additional 20 refrigerant charge operation setting noise setting The operating time is based on Starting set and Ending set Setting of external Sets low noise level when the low noise signal is input low noise level from outside 2 Sets starting time of nighttime low noise operation start setting Night time low noise setting is also required Night time low TT Sets ending time of nighttime low noise operation nolse operation end Night time low noise setting is also required setting Power transistor check mode Check after NO NO 26 7 2 Used for trouble diagnosis of DC compressor Sinc
258. tinues for a period of 5 consecutive seconds 2 overcurrent of 16 1A or more continues for a period of 260 consecutive seconds Inverter PCB uam current Power supply uam 3 phase 400VAC por current rt Power valde etc Compressor ID 24 La CJ Imbalanced power supply voltage mismatching Faulty startup of inverter compressor When imbalance in 2 incorrect Compressor stops running voltages among three a is connected immediately after it starts up Mech LEE Radiator fin temperature rise Inverter compressor lock p the radiator fin Compressor does not run at all Power supply voltage error reached 93 C or more When the power supply Faulty fin thermistor voltage falls out of the range of 400VAC 10 an open circuit 30 C or less or a short the thermistor resistor detects 1207 Faulty inverter the heavy current of inverter gets faulty gives no output Malfunction codes related to compressor current Instantaneous Current overcurrent N gt Compressor overcurrent Electronic thermal 2 Compressor overcurrent Electronic thermal 1 5 consecutive sec i 1 Time Troubleshooting 198 Troubleshooting by Remote Controller SiBE341001_B Thermistor Resistance Temperature Characteristics Indoor unit For suction air R1T
259. tion fin increases above 87 C m Actuation of fin thermal Actuates above 87 C m Defect of inverter PCB B Defect of fin thermistor 140 Troubleshooting by Remote Controller SiBE341001_B Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred he radiation fin of the inverter PCB concerned exceeded a temperature of 87 C Faulty radiation from the power unit e Blocked air suction port e Stained radiation fin High outdoor temperature Turn OFF the power supply and then make measurement of resistance of the radiation fin thermistor Is the thermistor resistance normal Replace the thermistor Connect and disconnect the connector X111A for the fin thermistor and then properly connect it Does the malfunction recur when the power supply turns ON to start the compressor YES Replace the compressor inverter PCB Continue the operation it is supposed that the radiation fin temperature became high due to some field factors In this connection check the following points e Stained radiation fin Airflow obstructed with dirt or foreign matters Damage to fan impellers Too high outdoor temperature 141 Troubleshooting SiBE341001 B Troubleshooting by Remote Controller 2 23 5 Outdoor Unit Momentary Overcurrent of Inverter Compressor 1 Controller
260. trol adaptor for outdoor unit blinks et the C H SELECT of the external control adaptor for outdoor unit to IND Then heck if the failure occurs again YES Check if power is supplied to the heck if the power supp control adaptor for outdoor unit is connected to 5V C H SELECT of the external control adaptor for outdoor unit is set to IND The unified addresses for cooling heating within the outdoor outdoor transmission are duplicated Set the address again Replace the main PCB A1P of the outdoor unit gt Supply the power to the outdoor unit gt Replace the main PCB A1P of the outdoor unit Connect the power supply wire for the external control adaptor for outdoor unit to 5V supply line Replace the PCB of the external control adaptor for outdoor unit gt Replace the main PCB A1P of the outdoor unit 168 Troubleshooting by Remote Controller SiBE341001_B Troubleshooting AN Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 3 Confirmation of malfunction 3 Confirmation of malfunction 4 Check the connection Status of connecting wires of the outdoor multi to SLAVE 1 Check if the wiring is disconnected or is about to be disconnected Replace the outdoor unit main PCB of the SLAVE 1 Correct the connecting w
261. troller SiBE341001_B Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage be occurred Diagnosis Flow 7 Confirmation of malfunction 3 Confirmation of malfunction 4 900009909000999 Faulty wiring between BS units Is the wiring between the BS units correct Correct the connection wiring Replace the BS unit PCB concerned Diagnosis Flow 8 Confirmation of malfunction 3 Confirmation of malfunction 4 90000990909090 Faulty wiring between indoor units and BS units Is the connection wiring between the indoor unit andthe BS unit correct Correct the connection wiring Replace the indoor unit or BS unit PCB Diagnosis Flow 9 Confirmation of malfunction 3 Confirmation of malfunction 4 900090990009909 Connection of erroneous models BS units l Is BSVQ P model connected to the system Connect BSVQ P model Replace the outdoor unit PCB With individual systems replace the control PCB A1P e With multi systems replace the main PCB A1P 179 Troubleshooting SiBE341001 B Troubleshooting Troubleshooting by Remote Controller Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 10 Confirmation of malfunction 3 Confirmation of malfunction 4 Faulty connection of BS u
262. uction pressure Pe malfunction Compressor lock INV compressor lock detected Overload overcurrent and abnormal lock of outdoor unit fan motor 1DC fan motor lock detected Fan 1 IPM faulty protection detected EVM main EVJ refrigerant charging BS unit electronic expansion valve BS EVH disconnected Y4E BS EVL disconnected Y5E EVL disconnected BS EVL disconnected Y5E BS EVHS disconnected Y2E EVHS disconnected Y2E Electronic expansion valve malfunction malfunction ETIN EVLS disconnected ERI EVSC disconnected Y 1E Positioning signal malfunction of fan motor positioning signal outdoor unit fan motor malfunction Abnormal outdoor temperature Ta sensor malfunction short circuited or open Discharge pipe temperature sensor Sensor malfunction open malfunction Sensor malfunction short circuited Heat exchanger gas temperature OYUN sensor malfunction R4T sensor malfunction Detail Suction pipe temperature sensor TsA sensor malfunction short malfunction circuited R5T description H eat exchanger temperature sensor Tb sensor malfunction R6T page Liquid pipe temperature sensor sensor malfunction 88 sensor malfunction 88 malfunction R8T malfunction TL sensor malfunction Heat exchanger liquid pipe Tf sensor malfunction R3T J8 temperature sensor malfunction Su
263. unction 4 90009999000999 lt Confirmation of malfunction 3 Confirmation of malfunction 4 90009099009999 lt Confirmation of malfunction 3 Confirmation of malfunction 4 9000999900909999 lt Confirmation of malfunction 3 Confirmation of malfunction 4 9000999 lt Confirmation of malfunction 3 Confirmation of malfunction 4 90009099099 175 Diagnosis Flow 1 Excessive number of indoor units connected To Diagnosis Flow 2 Connection of erroneous models of indoor units To Diagnosis Flow 3 Faulty combination of outdoor units To Diagnosis Flow 4 Faulty wiring in units dedicated to multi connections To Diagnosis Flow 5 Connection of erroneous models of BS units To Diagnosis Flow 6 Faulty wiring between outdoor units and BS units To Diagnosis Flow 7 Faulty wiring between BS units To Diagnosis Flow 8 Faulty wiring between indoor units and BS units To Diagnosis Flow 9 Connection of erroneous models of BS units To Diagnosis Flow 10 Faulty connection of BS unit at HP To Diagnosis Flow 11 Faulty connection of outdoor multi at HP HR To Diagnosis Flow 12 Faulty combination of outdoor multi Troubleshooting SiBE341001 B Troubleshooting by Remote Controller Troubleshooting Be sure to off power switch before connect disconnect connector Caution or parts damage may be occurred Diagnosis Flow 1 Confirmation of malfunction 3 Confirmation of mal
264. unit Piping between BS unit and refrigerant branch kit e Choose from the following table in accordance with the total capacity type of all the indoor units connected downstream 1 Connection piping must not exceed the refrigerant piping size between outdoor unit and refrigerant branch kit part A 2 When selecting 2 pipes line gas pipe and liquid pipe use suction gas pipe column for gas pipe and liquid pipe column for liquid pipe unit mm Piping size O D Indoor capacity Suction gas pipe HP LP gas pipe Liquid pipe index Standard Maximum Standard Maximum Standard Maximum size size lt 56 kW 015 9 56 KW lt x lt 112 kW 019 1 112kW xe 160 kw 919 9 FS pee 160 KW lt x lt 180 kW 025 4 DIERUM DIS EN E 224 kW lt x lt 330 kW 622 2 922 2 330 kW lt lt 370 625 4 928 6 619 4 370 kW lt x lt 470 254 E EN E 028 6 286 Piping between T branch kit BS unit and indoor unit Match to the size of the connection piping on the indoor unit unit mm Piping size O D Indoor capacity Suction gas pipe Liquid pipe index Standard size 00020000 0322 0127 Q250 022 2 220 Example of connection R 410A 221 SiBE341001_B How to calculate the additional refrigerant to be charged Additional refrigerant to be charged R kg R should be rounded off in units of 0 1 kg
265. ure Set No 5 of Setting mode 2 to indoor unit forced fan H Set No 6 of Setting mode 2 to indoor unit forced operation mode Select high side or low side with No 8 of Setting mode 2 B Select high side or low side with No 9 of Setting mode 2 B Make this setting while in Setting mode 2 B Select fast side or slow side with No 10 of Setting mode 2 For system with a single outdoor unit Set with No 19 or 42 For system with multiple outdoor units Set with No 38 39 or 40 Set No 21 of Setting mode 2 to ON Setting of m Used to start units not in sequence but n startup simultaneously Set 11 of Setting mode 2 to NONE m Set 21 of Setting mode 2 to ON Set No 28 of Setting mode 2 to ON m Fully open the outdoor unit and indoor unit Air tight test expansion valves and turn on some of the l Set No 21 of Setting mode 2 to ON solenoid valves 12 Setting of model order to replace the PCB spare For this setting set the DS2 2 3 4 with spare PCB be sure to make model setting switches on the PCB to the model concerned Test Operation 70 Field Setting from Outdoor Unit SiBE341001_B m Setting by dip switches Using dip switches on the PCB enables field setting shown below However make no changes of factory settings except for DS1 1 Dipswitch mE Setting item Description Setti
266. urement value of discharge pipe thermistor Refer 1 Check if temperature of discharge n by using service checker is the same With actual measurement value of discharge pipe thermistor NO Discharge pipe thermistor is normal and the temperature detection of the main PCB is also normal Actually the temperature of discharge pipe is high ere Remove the factor of overheat operation referring to P 199 thermometer Replace the discharge pipe thermistor Replace the main A1P 1 Compare the resistance value of discharge pipe thermistor and the value based on the surface Refer to Thermistor Resistance Temperature Characteristics table on P199 124 Troubleshooting by Remote Controller 2 14 Outdoor Unit Humidity alarm Remote Controller Display Applicable Models Method of Malfunction Detection Malfunction Decision Conditions Supposed Causes 125 4 P gt RQYQ PY1 RQEQ PY1 The condition of the liquid refrigerant returning to the compressor is detected by the temperature and pressure of any part during the cooling operation When the following humidity condition continues for 30 minutes e Humidity condition in the indoor unit e Humidity condition in some indoor units Faulty suction pipe thermistor Faulty discharge pipe thermistor Defect of high pressure sensor Defect of indoor unit electronic expansion va
267. used when the external control adaptor is mounted Go on to the Diagnosis Flow 2 Transmission alarm given when the external control adaptor is mounted Go on to the Diagnosis Flow 3 Abnormal transmission between the master unit and the slave unit 1 Go on to the Diagnosis Flow 4 Abnormal transmission between the master unit and the slave unit 2 Go on to the Diagnosis Flow 5 Faulty auto address of the slave units 1 2 and 3 Go on to the Diagnosis Flow 6 Erroneous manual address settings of the slave units 1 2 and 3 Go on to the Diagnosis Flow 7 Connection of five or more outdoor units to the same circuit Go on to the Diagnosis Flow 8 Abnormal transmission between the master unit and the slave unit 3 Go on to the Diagnosis Flow 9 Indoor connection capacity malfunction by a test run Go on to the Diagnosis Flow 10 BS alarm cooling heating unified ADP 166 Troubleshooting by Remote Controller SiBE341001_B Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 1 Confirmation of malfunction 3 Confirmation of malfunction 4 2000000000000 Check if any disconnection or connection error is detected in connecting wires with external control adaptor for outdoor unit NO Correct the connecting wiring with the external control adaptor for outdoor unit YES Check i
268. utdoor unit multi connection piping and indoor units is 90m or more the size of main pipes on the liquid side refer to figure 9 must be increased according to the right table Do not increase the size of the suction gas pipe and HP LP gas pipe Refer to figure below 1 Outdoor unit 2 Main pipes 3 Increase only liquid pipe size 4 First refrigerant branch kit 5 BS unit 6 Indoor unit 1 s System Liquid pipe RQCEQ280P 9 5 012 7 RQCEQ360 460P 012 7 gt 015 9 RQCEQ500 712P 615 9 619 1 RQCEQ744 848P 619 1 22 2 Appendix Revision History Date News No Contents 2010 7 12 M 10005 Correction of master slave setting and Airnet address setting of SIBE341001_A Warning e Daikin Industries Ltd s products are manufactured for export to numerous countries throughout the world Daikin Industries Ltd does not have control over which products are exported to and used in a particular country Prior to purchase please therefore confirm with your local authorised importer distributor and or retailer whether this product conforms to the applicable standards and is suitable for use in the region where the product will be used This statement does not purport to exclude restrict or modify the application of any local legislation e Ask a qualified installer or contractor to install this product Do n
269. wer supply circuit deteriorated Use a 500V megger tester to measure the insulation 1 Do not use a megger tester for other circuits than 400V or 200V circuit 1 Measure to be taken against decreased insulation resistance in the compressor If the compressor is left to stand for Check the below items Power wiring Control transmission wiring between units e Earth wire Branch switch Earth leakage circuit breaker an extended period of time after the refrigerant charge with the stop valve open and the power supply Dryer OFF the refrigerant may be mixed in 1000W the compressor thus decreasing the a insulation resistance Heat the left side of the Heat the compressor as shown on terminal for a period of the right and then recheck the insulation Check on refrigerant piping O Is the pipe size proper Are the design pressures for the gas pipe and insulation materials liquid pipe more than 3 3MPa O Is the pipe insulation material installed securely Liquid and gas pipes need to be insulated Otherwise causes water leak Check air tight test and vacuum O Have the air tight test and the vacuum drying been conducted according to drying the procedure in the Installation Manual Check on amount of additional Is a proper quantity of refrigerant charged refrigerant charge Refer to the following page for the calculation of the amount of additionally refrigerant charge When the refrigerant
270. x lt 47 0kW 47 0 kW lt x lt 71 0 kW OF ZI 615 9 619 1 6413 Piping between refrigerant branch kit and indoor unit Match to the size of the connection piping on the indoor unit part E Indoor capacity index Unit mm Piping size O D Indoor capacity index Standard Maximum Standard Maximum size size size QO 282 12 7 615 9 _00 00 gu E _ 15 9 012 7 Q25 1 i Q200 019 1 Q250 ida 41001 Example of connection R 410A How to calculate the additional refrigerant to Total length m Total length m Total length m be charged R s liquid piping s liquid piping js liquid piping 0 12 Additional refrigerant to be charged R kg size at 19 1 kg m size at 6 4 kg m size at 012 7 kg m R should be rounded off in units of 0 1kg RQYQ140 RQCYQ460 11 2 kg length v length v of liquid piping x0 059 of liquid piping 0 022 size at 09 5 kg m size at 06 4 kg m 2 4 500 11 2 kg Example for refrigerant branch using REFNET joint REFNET header lt 100 0 kg gt 100 0 5 kg ratio of total capacity index of connectable indoor units to outdoor capacity index RQCYQ540 RQCYQ360 In case the outdoor unit is 015 9 x 30m d 09 5 x 20m g 09 5 x 20m j 06
271. xcessively Faulty gas pipe lt Check for the thermistor resistance and throttled See 3 thermistor of indoor unit connection Faulty Faulty liquid pipe thermistor lt Check for the thermistor resistance and of indoor unit connection Faul I PCB lt Is the pressure value checked with the Service Checker aulty contro corresponding to the measurement of the pressure sensor Faulty outdoor Faulty valve coil lt Are the coil resistance and insulation normal unit electronic expansion valve Faulty valve body In heating ee oor unn Faulty low pressure sensor lt Are the electrical characteristics normal expansion valve p Faulty suction pipe thermistor lt Check for the thermistor resistance and throttled connection See 4 Faulty control PCB Low suction air Short circuit lt 15 the suction air temperature not less than 14 C Low outdoor air temperature Is the indoor temperature not more than 14 C Faulty suction air thermistor of indoor unit lt Is the connector properly connected Are the thermistor resistance characteristics normal Low suction air temperature of outdoor unit lt Is the outdoor temperature more than 20 C lt 15 the connector properly connected Faulty outdoor temperature thermistor of outdoor unit Are the thermistor resistance characteristics normal Abnormal piping length lt Does the piping length fall in the permissible range High pipe Conduct visual ch

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