LG ARUN040GSS0 Service Manual Download

Page: 1 / 39

Please read this manual carefully before operating
your set and retain it for future reference.

EXPLODED VIEW

ARUN040GSS0 ARUN050GSS0  ARUN060GSS0
ARUN040LSS0 ARUN050LSS0  ARUN060LSS0
ARUN080LSS0 ARUN100LSS0  ARUN120LSS0
ARUV140LSS0

P/NO : MFL42395723

SERVICE MANUAL

AIR

CONDITIONER

Summary of Contents for ARUN040GSS0

Page 1: ...ore operating your set and retain it for future reference EXPLODED VIEW ARUN040GSS0 ARUN050GSS0 ARUN060GSS0 ARUN040LSS0 ARUN050LSS0 ARUN060LSS0 ARUN080LSS0 ARUN100LSS0 ARUN120LSS0 ARUV140LSS0 P NO MFL42395723 SERVICE MANUAL AIR CONDITIONER ...

Page 2: ... Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 1 Specification 3 2 Functions 6 3 Dimensions 7 4 Piping Diagrams 10 5 Wiring Diagrams 22 6 Exploded View 28 ARUN Series ...

Page 3: ... Temperature Indoor 27 C 80 6 F DB 19 C 66 2 F WB Outdoor 35 C 95 F DB 24 C 75 2 F WB Heating Temperature Indoor 20 C 68 F DB 15 C 59 F WB Outdoor 7 C 44 6 F DB 6 C 42 8 F WB Piping Length Interconnected Pipe Length 7 5m Difference Limit of Elevation Outdoor Indoor Unit is Zero 3 The maximum combination ratio is 160 4 Wiring cable size must comply with the applicable local and national codes 5 Due...

Page 4: ... D mm inch Net Weight kg lbs Sound Pressure Level Cooling dB A Heating dB A Sound Power Level dB A Protection Devices High pressure protection High pressure sensor High pressure switch High pressure sensor High pressure switch High pressure sensor High pressure switch Comperssor Fan Over heat protection Fan driver overload protector Over heat protection Fan driver overload protector Over heat prot...

Page 5: ...n High pressure sensor High pressure switch High pressure sensor High pressure switch High pressure sensor High pressure switch High pressure sensor High pressure switch Comperssor Fan Over heat protection Fan driver overload protector Over heat protection Fan driver overload protector Over heat protection Fan driver overload protector Over heat protection Fan driver overload protector Inverter Ov...

Page 6: ...for AC Smart PQCSE440U0 Option Kit SD card type for AC Smart PQCSE341A0 PQCSE342A0 ACP Advanced Control Platform PQCPA11A0E PQCPB11A0E AC Manager PQCSS520A0E ACP Advanced Control Platform Standard PQCPC22N0 ACP Advanced Control Platform Premium PQCPC22A0 AC Manager Plus PQCSSA21E0 DO Digital Output Kit PQNFP00T0 BNU Building Network Unit LONWORKS Gateway DC 12V Adapter PQNFB16A1 PLNWKB000 LONWORKS...

Page 7: ...lectronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 7 3 Dimensions Dimensions ARUN100LSS0 ARUV140LSS0 ARUN120LSS0 U7 380 401 1 090 700 20 667 1 625 180 170 445 1 610 242 Unit mm ...

Page 8: ...nsions Copyright 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 8 ARUN080LSS0 ARUN060LSS0 ARUN050LSS0 ARUN040LSS0 ARUN060GSS0 ARUN050GSS0 U3 Unit mm ...

Page 10: ...Pressure Sensor Pressure Switch Temperature Sensor Remarks Strainer Fan DC DC S Outdoor Temperature Sensor Outdoor EEV HIgh Pressure Switch HIgh Pressure Sensor Low ARUV140LSS0 Pressure Sensor Hot Gas Valve Accumulator Inverter Sub Cooler Compressor Suction Temperature Sensor Comp Discharge Temperature Sensor Sub cooling Circit Oulet Temperature Sensor Outdoor Unit HEX Temperature Sensor Chatging ...

Page 11: ...ure Switch Temperature Sensor Remarks Strainer Fan Fan DC DC S Outdoor Temperature Sensor Outdoor EEV HIgh Pressure Switch HIgh Pressure Sensor Low Pressure Sensor Hot Gas Valve Accumulator Inverter Compressor Sub Cooler Suction Temperature Sensor Comp Discharge Temperature Sensor Sub cooling Circit Oulet Temperature Sensor Outdoor Unit HEX Temperature Sensor Chatging Port Liquid Pipe Temperature ...

Page 12: ...ure Sensor Remarks Strainer Fan Fan Indoor HEX Indoor HEX EEV EEV DC DC S Outdoor Temperature Sensor Outdoor EEV HIgh Pressure Switch HIgh Pressure Sensor Low Pressure Sensor Hot Gas Valve Accumulator Inverter Sub Cooler Compressor Suction Temperature Sensor Comp Discharge Temperature Sensor Sub cooling Circit Oulet Temperature Sensor Outdoor Unit HEX Temperature Sensor Chatging Port Liquid Pipe T...

Page 13: ...enoid valve Strainer Pressure Sensor SVC Valve DC DC S Outdoor Temperature Sensor Outdoor EEV HIgh Pressure Switch HIgh Pressure Sensor Low Pressure Sensor Hot Gas Valve Accumulator Inverter Compressor Sub Cooler Suction Temperature Sensor Comp Discharge Temperature Sensor Sub cooling Circit Oulet Temperature Sensor Outdoor Unit HEX Temperature Sensor Charging Port Liquid Pipe Temperature Sensor O...

Page 14: ...sor Temperature Sensor Solenoid valve Strainer Pressure Sensor SVC Valve DC DC S Outdoor Temperature Sensor Outdoor EEV HIgh Pressure Switch HIgh Pressure Sensor Low Pressure Sensor Hot Gas Valve Accumulator Inverter Compressor Sub Cooler Suction Temperature Sensor Comp Discharge Temperature Sensor Sub cooling Circit Oulet Temperature Sensor Outdoor Unit HEX Temperature Sensor Liquid Pipe Temperat...

Page 15: ...id valve Strainer 4 Way Valve Pressure Sensor SVC Valve DC DC S Outdoor Temperature Sensor Outdoor EEV HIgh Pressure Switch HIgh Pressure Sensor Low Pressure Sensor Hot Gas Valve Accumulator Inverter Compressor Sub Cooler Suction Temperature Sensor Comp Discharge Temperature Sensor Sub cooling Circit Oulet Temperature Sensor Outdoor Unit HEX Temperature Sensor Charging Port Liquid Pipe Temperature...

Page 16: ... Sub cooling Circuit Outlet Temperature Sensor Accumulator Liquid Pipe Temperature sensor Sub Cooler Remarks Pressure Sensor Temperature Sensor Solenoid valve Strainer Outdoo r Uni t Pressure Sensor SVC Valve Sub Cooling EEV Inverter Compressor Comp Discharge Temperature Sensor Low Pressure Sensor Oil Separator Charging Port Hot Gas Valve Gas Pipe Liquid Pipe High Temp High Pressure Gas High Temp ...

Page 17: ...uction Temperature Sensor High Pressure Switch Outdoor EEV Sub cooling Circuit Outlet Temperature Sensor Accumulator Liquid Pipe Temperature sensor Sub Cooler Remarks Pressure Sensor Temperature Sensor Solenoid valve Strainer Outdoo r Unit Pressure Sensor SVC Valve Sub Cooling EEV Inverter Compressor Comp Discharge Temperature Sensor Low Pressure Sensor Oil Separator Charging Port Hot Gas Valve Ga...

Page 18: ...nsor Accumulator Liquid Pipe Temperature sensor Sub Cooler Remarks Pressure Sensor Temperature Sensor Solenoid valve Strainer 4 Way Valve Outdoor Unit Pressure Sensor SVC Valve Sub Cooling EEV Inverter Compressor Comp Discharge Temperature Sensor Low Pressure Sensor Oil Separator Charging Port Hot Gas Valve Gas Pipe Liquid Pipe High Temp High Pressure Gas High Temp High Pressure Liquid Low Temp Lo...

Page 19: ... Sensor Accumulator Liquid Pipe Temperature sensor Sub Cooler Remarks Pressure Sensor Temperature Sensor Solenoid valve EEV Strainer Outdoor Unit Pressure Sensor SVC Valve Sub Cooling EEV Inverter Compressor Comp Discharge Temperature Sensor Low Pressure Sensor Oil Separator Charging Port Hot Gas Valve Gas Pipe Liquid Pipe High Temp High Pressure Gas High Temp High Pressure Liquid Low Temp Low Pre...

Page 20: ...Circuit Outlet Temperature Sensor Accumulator Liquid Pipe Temperature sensor Sub Cooler Remarks Pressure Sensor Temperature Sensor Solenoid valve EEV Strainer Outdoor Unit Pressure Sensor SVC Valve Sub Cooling EEV Inverter Compressor Comp Discharge Temperature Sensor Low Pressure Sensor Oil Separator Charging Port Hot Gas Valve Gas Pipe Liquid Pipe High Temp High Pressure Gas High Temp High Pressu...

Page 21: ...rature Sensor Accumulator Liquid Pipe Temperature sensor Sub Cooler Remarks Pressure Sensor Temperature Sensor Solenoid valve EEV Strainer Outdoor Unit Pressure Sensor SVC Valve Sub Cooling EEV Inverter Compressor Comp Discharge Temperature Sensor Low Pressure Sensor Oil Separator Charging Port Hot Gas Valve Gas Pipe Liquid Pipe High Temp High Pressure Gas High Temp High Pressure Liquid Low Temp L...

Page 22: ...2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 22 5 Wiring Diagrams PI485 PCB Wiring Diagrams n U7 chassis ARUN100LSS0 ARUN120LSS0 n U7 chassis ARUV140LSS0 ...

Page 23: ...right 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 23 Wiring Diagrams n U3 chassis ARUN080LSS0 n U3 Chassis 3Φ ARUN040LSS0 ARUN050LSS0 ARUN060LSS0 ...

Page 24: ...Copyright 2014 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 24 Wiring Diagrams n U3 Chassis 1Φ ARUN050GSS0 ARUN060GSS0 n U3 Chassis 1Φ ARUN040GSS0 ...

Page 25: ...g and service purposes LGE Internal Use Only 25 Wiring Diagrams SW01D SW01C SW04C SW03C SW02C MAIN EEV SC EEV HOT GAS AC_INPUT 4 WAY P_SEN_L P_SEN_H CN8 CN7 HIGH PRESSURE SW AIR SUCTION HEX DISCHARGE SC_OUT LIQUID CN_INV n Main PCB n PI485 PCB n Indoor Communication PCB ...

Page 26: ...NV_S CN_INV_R CN_INV_N To Inverter PCB 220V Power Output Terminal To Main PCB 220V Power Output Terminal CN_INPUT_T CN_INPUT_S CN_INPUT_R CN_F G CN_INPUT_N CN_FAN2 CN_FAN1 CN_U CN_V CN_W CN_INPUT_N CN_INPUT_T CN_INPUT_S CN_INPUT_R CN_MAIN CN_COIL CN_MAIN CN_FAN2 CN_FAN1 CN_U CN_V CN_W CN_INPUT_N CN_INPUT_T CN_INPUT_S CN_INPUT_R CN_COIL n Inverter PCB U7 chassis 14HP 12HP 10HP U3 chassis 8HP ...

Page 28: ...28 Explodede View 6 Exploded View 649950 268711B 268711C W6640 268711A W6200 261704 268711D Control Box n U7 chassis ARUN100LSS0 ARUN120LSS0 ARUV140LSS0 SVC Location Applied Housing color 263230A Subcool out pipe liquid pipe yellow 263230B Suction pipe hex discharge pipe purple 263230C Air temperature sensor green ...

Page 29: ...and service purposes LGE Internal Use Only 29 Explodede View 546810A 554031A 554031B 237204 435512 549610 435300 546810A 546810B 559010 430410 237202 149980 437211 435513 137213 447910 237205 437212 135500 550140 435301 Mechanical Parts and Panels n U7 chassis ARUN100LSS0 ...

Page 30: ...reserved Only for training and service purposes LGE Internal Use Only 30 546810A 554031 237204 435512 549610 435300 546810A 546810B 559010 430410 237202 149980 437211 435513 137213 447910 237205 437212 135500 550140 435301 n U7 chassis ARUN120LSS0 ARUV140LSS0 ...

Page 31: ...es LGE Internal Use Only 31 Exploded View 552203A 148000 552203B 552116 554160 548490 552209 552200 661400 165000B W52240A 552204 561410B 552117 165000A 559990 566001 552202 561410A 552115 552111 55211G W52240C W4986B W4986A W6631 Cycle Parts n U7 chassis ARUN100LSS0 ARUN120LSS0 ARUV140LSS0 ...

Page 32: ... 32 Exploded View 268711A 268711C 268711B W6640 268711D W6200 649950 261704 Control Box n U3 chassis 3Ø ARUN040LSS0 ARUN050LSS0 ARUN060LSS0 ARUN080LSS0 SVC Location Applied Housing color 263230A Subcool out pipe liquid pipe yellow 263230B Suction pipe hex discharge pipe purple 263230C Air temperature sensor green ...

Page 33: ...nal Use Only 33 Exploded View 649950 261704 W6640 268711C W6200 268711B 268711D 268711A Control Box n U3 chassis 1Ø ARUN050GSS0 ARUN060GSS0 SVC Location Applied Housing color 263230A Subcool out pipe liquid pipe yellow 263230B Suction pipe hex discharge pipe purple 263230C Air temperature sensor green ...

Page 34: ... Internal Use Only 34 Exploded View 435512 435300 546810B 559010 137213 435513 437212 135500 237205 435301 237202 437211 349480 237204 550140 430410 546810A 554031 554031 447910 549610 Mechanical Parts and Panels n U3 chassis ARUN050GSS0 ARUN060GSS0 ARUN040LSS0 ARUN050LSS0 ARUN060LSS0 ARUN080LSS0 ...

Page 35: ... Only 35 Exploded View 552116 W4986B 554160 552117 55211G 552113 552115 552203A 148000 552203B 552200 661400 552209 552202 561410A W52240B W52240C 548490 W52240A W4986A 165000B 561410B 552204 W6631 566001 165000A Cycle Parts n U3 chassis ARUN050GSS0 ARUN060GSS0 ARUN040LSS0 ARUN050LSS0 ARUN060LSS0 ARUN080LSS0 ...

Page 36: ...GE Internal Use Only 36 Exploded View Control Box n U4 chassis ARUN040GSS0 649950 W6200 W6640 261704 268711C 268711D 268711B 268711A SVC Location Applied Housing color 263230A Subcool out pipe liquid pipe yellow 263230B Suction pipe hex discharge pipe purple 263230C Air temperature sensor green ...

Page 37: ...rved Only for training and service purposes LGE Internal Use Only 37 Exploded View Mechanical Parts and Panels n U4 chassis ARUN040GSS0 435512 435300 546810 559010 430410 137213B 437212 435301 237202 437211 349480 137213A 554031 447900 549610 550140 ...

Page 38: ...Parts n U4 chassis ARUN040GSS0 W4986B 165000A 561410A 552202 552116 552113 552115 55211G 552209 661400 552200 W52240B 552203B 552203A 135500 554160 W54102 W52240A 561410B 552204 165000B W4986A W52240C W6631 h When you order compressor 554160 SVC part Butyl W54102 has to be ordered together And attach butyl to compressor like the picture ...

Page 39: ......

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