System Outdoor Unit SERVICE MANUAL R410A
Contents
1. TH DISCHARGE CI em O HEATER us CN09 09 AWAY 23 FD ip a f0 s O N ZN CN01_1 BR BL 499 SODUA SODUBIDUA DUB INTERNET DRi DRY2 GND 12V CN01 FET LIN FEES T NI GNL k 1 I T 31 l 1 l l O 1 220 240V TO INDOOR UNIT 50 60 Hz MEZ47299301 Copyright 2007 LG Electronics Inc All right reserved 9 Only for training and service purposes LGE Internal Use Only Wiring Diagrams BB Main PCB CN29 TO INVERTER BOARD INVERTER PCB COMMUNICATION TERMINAL SW01S RESET RESET BUTTON CN38 EEV OUT CN04 FLASH_WRITE OUTDOOR ELECTRONIC EXPANSION VALVE ONBOARDING TERMINAL CN40 EEV SC CN05 TO JIG SUBCOOLING CIRCUIT ELECTRONIC EXPANSION VALVE JIG CONNECTION TERMINAL LGMV CN44 1 S W s SW02V AUTO ADDRES AUTO ADDRESSING SWITCH CN41 CEN CONTROL CONSTANT COMP HIGH 4 s 2 CENTRAL CONTROL TERMINAL PRESSURE SWITCH k SC OUT SC CIRCUIT OUTLET TEMP SENSOR SC CIRCUIT INTLET TEMP SENSOR SUCTION SUCTION TEMPERATURE SENSOR 2007 02 06 A AC FAN POWER SUPPLY 485 EBR348814 CN14 MAGNET C A LU CONSTANT COMP MAGNETIC SWITCH CN13 HOT GAS HOT GAS SOLENOID VALVE CN11 HEATER C CONSTANT COMP HEATER CN10 HEATER I INVERTER COMP HEATER 9 4WAY 4 WAY REVERSING VALVE INV DISCHARGE TEMP SENSOR OUTDOOR HEX T2. Low Temp Low Pressure Gas jOutdoor Temperature ISensor 7 Outdoor unit 1 4 i Sensor a i Charging High Pressure an l Charging i Port E Port V 000 J Gas ipe A X lt DK x Suction OD Temperature Sensor Comp Discharge Temperature Sensor Inverter Comp Accumulator 4 ub cooling Circuit Outlet Temperature Liquid Pipe Temp Sensor i Sub Cooler I Sub cooling Circuit Inlet Temperature Jl I Sensor 69 i H N 4 Sub Cooling EEV R Temperature Sensor O Pressure Switch bd SVC Valve Strainer Copyright 2007 LG Electronics Inc All right reserved 8 Only for training and service purposes LGE Internal Use Only Wiring Diagrams 5 Wiring Diagrams Heat Pump OUTDOOR WIRING DIAGRAM ae U INVERTER COMP LIQUID INJECTION VALVE C CN3S SUCTIONI SUCTION PIPE THERMISTOR FAN A FAN B w rv Tu AUTO ADDRESSING BUTTON TN COMP HIGHT PRESSURE SWITCH CN POWER BL CNLGMV TERMINAL FOR JIG OO Er MEE CN N BR BL CN MOTORT TRANSMISSION POWER INPUT OF
3. EA Filter Indoor Unit Indoor Unit 1 Se ee Y Y gt lt High Temp High Pressure Liquid bc Fan bc Fan lt Low Temp Low Pressure Gas ure Outdoor Unit 4 C HEX Temperature Sensor High Pressure Sensor l Charging Port l Charging Port V A 4 Way Valve gt Suction 62 Outdoor Temperature 29D EEV Sensor i Low Discharge 2 I Temperature d Sensor Sub cooling Circuit Outlet Temperature Sensor s Liquid Pipe Temp Sensor E Sub Cooler Sub cooling Circuit Inlet Temperature L Sensor 0 i Sub Cooling EEV D Pressure Sensor Temperature Sensor Lw Pressure Switch bX SVC Valve Strainer Copyright 2007 LG Electronics Inc All right reserved 7 Only for training and service purposes LGE Internal Use Only Piping Diagrams Oil Return Defrost Operation IndoorHEX EEV i IndoorHEX EEV i T2 pd 1 x lt Filter Fan Filter ee f bs indoor Unit H DAMEN Indoor Unit 1 I 4 i lt lt lt High Temp High Pressure Gas 9 High Temp High Pressure Liquid i bc Fan bc Fan 4
4. Explodede View SS 77 p s T 1 Y N Hz Nes N ECS D D e V Wg Z EH N e E N 7 A DEN 23 x TL OY CL EV EI Ye 2 S amp 5 als ra opem S o o 81818 d S S S o 5 3 3 ojojo I rI cr ke 2 2 o 2 dp z 5 8 05 T TR 2 O 5 5 gc 01915 o 515 S 2 5 lt m Oo S OQ ON c e tr ojojo gt m tc TEIE LGE Internal Use Only 2d Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Explodede View 521155 C5521145 Copyright 2007 LG Electronics Inc All right reserved 14 Only for training and service purposes LGE Internal Use Only P NO MFL42395702 FEBRUARY 2008
5. FAN MOTORT esee 006069 CN MOTORI WH CN MOTOR2 BL CN UVW WH COLOR NOTES CN MAIN COMRD INV BOARD 1 THIS WIRING DIAGRAM IS APPLIED ONLY TO THE MAIN CONTROL BOX ROS Cei FIELD WIRING o o fe fe CN LGMV WH BR L CN FLASH WRITER WH REACTOR REACTOR PososooJl osooo olo oo SWo1B SW02B ig CN43 CN44 CN38 29 u 888 P S W P S W EEV SC EEV OUT CN05 Swo2v 8 BR BL LGMV MAIN AUTO ADDRESS E xz 28 a 94 m 12 2 3 woo SW01V E E BR ATACONERM z MAIN BOARD TH_SC_OUT TH_SC_IN NOISE FILTER LIQ INJ C BS OO CN16 INJ Fan 59 5 TH_DISCHARGE LS AC FAN TH HEXI i r 09 MAGNET C TH HEX2 CN13 ta Bt poda CN27 CN32 CN30 TH AIR STD COMP CT P SENSOR L P SENSOR H TH_SUCTION 8 HEATER C 59 595 555 SUCTIOI 3
6. 0 1 700 1 700 Fan Type BLDC BLDC BLDC Motor Output x Number kW 0 124 x2 0 124 x2 0 124 x2 Air Flow RatexNo of Fan m min 110 110 110 Drive DC INVERTER DC INVERTER DC INVERTER Discharge Side Side Side Pipe Connctions Liquid Pipes mm inch 29 52 3 8 29 52 3 8 9 52 3 8 Gas Pipes mm inch 015 88 5 8 015 88 5 8 19 05 3 4 Dimensions WxHxD mm 950x1380x330 950x1380x330 950x1380x330 inch 37 4x54 3x13 37 4x54 3x13 37 4x54 3x13 Net Weight kg 118 118 118 Ibs 260 260 260 Transmission Cable mm CVV SB 1 25x2C CVV SB 1 25x2C CVV SB 1 25x2C Refigerant Refigerant name R410A R410A R410A Control EEV EEV EEV 1 220 240V 50 1 220 240V 50 1 220 240V 50 Fuel SUON 1 220 60 1 220 60 1 220 60 Notes Conversion Formula 1 Capacities are based on the following conditions kcal h kW x 860 Cooling Indoor temp 27 C 80 6 F DB 19 C 66 2 F WB Btu h kW x 3412 Outdoor temp 35 C 95 F DB 24 C 75 2 F WB cfm m min x 35 3 Interconnecting Piping Length 7 5m l s CMM x 1000 60 Level Difference of Zero Heating Indoor temp 20 C 68 F DB 15 C 59 F WB Outdoor temp 7 C 44 6 F DB 6 C 42 8 F WB Interconnecting Piping Length 7 5m Level Difference of Zero 2 Capacities are net capacities 3 Due to our policy of innovation some specifications may be changed without prior notification 4 EEV Electronic Expansion Valve Copyright 2007 LG Electronics Inc All right reserved Only for training and s
7. EMP SENSOR 1 OUTDOOR HEX TEMP SENSOR 2 OUTDOOR TEMPERATURE SENSOR SUCTION SUCTION TEMPERATURE SENSOR CN08 AC 220 V CN27 STD_COMP CT1 220 V POWER INPUT TERMINAL CONSTANT COMP CURRENT SENSOR CONST COMP DISCHARGE TEMP SENSOR CN32 P SENSOR L CN30 P SENSOR H JIG POWER TERMINAL AC 220V LOW PRESSURE SENSOR HIGH PRESSURE SENSOR Copyright 2007 LG Electronics Inc All right reserved 10 Only for training and service purposes LGE Intemal Use Only Wiring Diagrams Bi Noise Filter TO INVERTER PCB 220V POWER OUTPUT TERMINAL TO TERMINAL d BLOCK amp MAINPCB gt a We 4 TO REACTOR TO TERMINAL 774 REACTOR BLOCK amp MAIN sx Inverter PCB CN MOTOR2 WH FAN MOTOR WIRE TERMINAL CN L AM 220V INVERTER POWER INPUT TERMINAL CN MOTOR BL 25307 l CN N TERMINAL POWER INPUT TERMINAL CN_POWER BL AC220V PCB POWER INPUT TERMINAL Copyright 2007 LG Electronics Inc All right reserved 11 Only for training and service purposes LGE Internal Use Only Explodede View Exploded View LGE Internal Use Only ado Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes
8. FB17B0 Program LG MV Option Y Branch Accessory Others Header Accessory Air guide Accessory O Applied X Not applied No reation Option Model name amp price are different according to options and assembled in factory with main unit Accessory Installed at field ordered and purchased separately by the corresponding model name supplied with separated package Copyright 2007 LG Electronics Inc All right reserved 4 Only for training and service purposes LGE Internal Use Only Dimensions Dimensions CHASSIS CODE U3 Outdoor Unit ARUN40GS2 ARUN50GS2 ARUN60GS2 76 Seongsan dong Changwon City Gyeongnam 641 713 Korea www lgeaircon com Copyright 2007 LG Electronics Inc All right reserved 5 Only for training and service purposes LGE Internal Use Only Piping Diagrams ll 4 Piping Diagrams Filter Indoor Unit i Discharge Temperature Sensor Invert
9. er i Comp i Sub cooling Circuit Outlet Temperature Sensor i gt Sub Cooler Sub cooling Circuit mF f Inlet Temperature L Sensor 9 2 Liquid Pipe Temp Sensor Sub Cooling EEV Accumulator 4 Indoor HEX EEV To q A 4 E EM 1 Indoor Unit T 1 d High Temp High Pressure Gas lt High Temp High Pressure Liquid 4 Low Temp Low Pressure Gas i IOutdoor Temperature gt l ISensor wg i Outdoor Unit HEX Temperature l Sensor i i Charging High Pressure Charging Port Sensor Port V QUU 7 i A 4 Way Valve X Gas Tipe i Pk 1 PA i Liqgid Pipe i Suction QD Outdoor Temperature EEV Sensor Sensor gt D Pressure Sensor Remarks Pressure Switch P4 SVC Valve i Temperature Sensor Xo Solenoid valve EEV Strainer Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Piping Diagrams Heating Operation IOutdoor Temperat ISensor i i Remarks i lt High Temp High Pressure Gas ICE NE RO v aa 2 Indoor HEX EEV Indoor HEX EEV A mx Fan Filter
10. ervice purposes Pe LGE Internal Use Only Functions 2 Functions Category Function ARUN40GS2 ARUN50GS2 ARUN60GS2 Defrost Deicing High pressure switch Low pressure switch Phase protection Restart delay 3 minutes Self diagnosis Soft start Test function Auto operation Artificial intelligence Auto restart operation Network soluation LGAP Power Distribution Indicator PQNUD1 S00 Reliability Convenience CAC network X Function PI485 PNF P14A0M P14A1M Others Thermistor O Applied X Not applied No reation Option Model name amp price are different according to options and assembled in factory with main unit Accessory Installed at field ordered and purchased separately by the corresponding model name supplied with separated package Category Function ARUN40GS82 ARUN50GS2 ARUN60GS2 Network solution LGAP Simple Central Controller PQCSB101S0 Function Controller PQCSC101S0 PC Central Control Software PQCSS513A0 Deluxe Central Controller PQCSW502A2 PDI Power Distribution Indicator PQNUD1S00 CAC network CNU2 I Gateway PQNFG14B0 Function Cool Heat Selector PRDSBM Dry contact Indoor Unit PQDSB AC Smart PQCSW320A0E ACP PQCPA11A0E B11A0E AC Manager PQCSS520A0E LONWORKS Gateway BNU LW PQNFB16A1 BACnet Gateway BNU BN PQN
11. http biz lgservice com MULTI System Outdoor Unit MODEL ARUN Series CAUTION Before Servicing the unit read the safety precautions in General SVC manual Only for authorized service personnel ARUN Series TL e ayy 3 2 uuu k HM 4 3 DIIMON SION Me RR 5 4 Piping Diagrams uu u 6 5 Wiring Diagram S sisia uuu u l 9 6 Exploded 12 Copyright 2007 LG Electronics Inc All right reserved 2 LGE Internal Use Only Only for training and service purposes E 1 Specification Specification Heat Pump Heat Pump 50Hz 60Hz HP Equivalent horsepower 4 5 6 Model Name ARUN40GS2 ARUN50GS2 ARUN60GS2 Capacity Cooling kW 11 2 14 0 15 5 kcal h 9 632 12 040 13 330 Btu h 38 200 47 800 52 900 Heating kW 12 5 16 0 18 0 kcal h 10 750 13 760 15 480 Btu h 42 700 54 600 61 400 Input Cooling kW 2 9 3 8 4 3 Heating kW 3 1 4 0 4 7 Casing Color Warm Gray Warm Gray Warm Gray Heat Exchanger Gold fin Gold fin Gold fin Compressor Type DC Scroll DC Scroll DC Scroll Piston Displacement cm rev 42 42 42 Number of Revolution R P M 3 600x1 3 600x1 3 600x1 Motor Output x Number 2 4 1 28 1 3 2x1 Starting Method Direct On Line Direct On Line Direct On Line Oil Type FV50S FV50S FV50S Oil Charge cc 1 70
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