LG ARUN040GSS0 Service Manual

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Manual (148 pages)

Installation manual (79 pages)

Owner's manual (9 pages)

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SERVICE MANUAL

AIR

CONDITIONER

Please read this manual carefully before operating

your set and retain it for future reference.

Exploded View

ARUN040GSS0 ARUN050GSS0 ARUN060GSS0

ARUN040LSS0 ARUN050LSS0

Arun080Lss0 ARUN100LSS0

ARUV140LSS0

P/NO : MFL42395723

ARUN060LSS0

ARUN120LSS0

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Summary of Contents for LG ARUN040GSS0

Page 1 SERVICE MANUAL CONDITIONER 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...
Page 2: Table Of Contents
1. Specification .................3 2. Functions ..................6 3. Dimensions ...................7 4. Piping Diagrams .................10 5. Wiring Diagrams .................22 6. Exploded View ................28 - 2 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 3: Specification
7. Power factor could vary less than ±1% according to the operating conditions. Outdoor 7°C(44.6°F) DB / 6°C(42.8°F) WB 8. This product contains Fluorinated greenhouse gases. - 3 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 4 7. Power factor could vary less than ±1% according to the operating conditions. Outdoor 7°C(44.6°F) DB / 6°C(42.8°F) WB 8. This product contains Fluorinated greenhouse gases. - 4 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 5 7. Power factor could vary less than ±1% according to the operating conditions. Outdoor 7°C(44.6°F) DB / 6°C(42.8°F) WB 8. This product contains Fluorinated greenhouse gases. - 5 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 6: Functions
Accessory model name : Installed at field, ordered and purchased separately by the corresponding model name, supplied with separate package. - 6 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 10: Piping Diagrams
Inverter Accumulator Compressor Sub-Cooler Press ure Sensor Temperature Sensor Soleno id valve Strainer Remarks SVC Valve Press ure Switch - 10 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 11 Inverter Accumulator Compressor Sub-Cooler Press ure Sensor Temperature Sensor Soleno id valve Strainer Remarks SVC Valve Press ure Switch - 11 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 12 Inverter Accumulator Compressor Sub-Cooler Soleno id valve Strainer Press ure Sensor Temperature Sensor Remarks SVC Valve Press ure Switch - 12 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 13 Accumulator Compressor Sub-Cooler Liquid Pipe Temperature Sensor Pressure Sensor Temperature Sensor Solenoid valve Remarks Strainer Pressure Sensor SVC Valve - 13 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 14: Lge Internal Use Only
Accumulator Compressor Sub-Cooler Liquid Pipe Temperature Sensor Pressure Sensor Temperature Sensor Solenoid valve Remarks Strainer Pressure Sensor SVC Valve - 14 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 15 Sub-Cooler Liquid Pipe Temperature Sensor Temperature Sensor Solenoid valve Pressure Sensor 4-Way Valve Remarks Strainer SVC Valve Pressure Sensor - 15 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 16 Sub-Cooler Sub-Cooling EEV Outdoo r Uni t Pressure Sensor Temperature Sensor Solenoid valve Remarks Strainer Pressure Sensor SVC Valve - 16 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 17 Temperature sensor Sub-Cooler Sub-Cooling EEV Outdoo r Unit Pressure Sensor Temperature Sensor Solenoid valve Remarks Strainer Pressure Sensor SVC Valve - 17 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 18 Sub-Cooler Sub-Cooling EEV Outdoor Unit Temperature Sensor Pressure Sensor Solenoid valve 4-Way Valve Remarks Strainer SVC Valve Pressure Sensor - 18 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 19 Temperature sensor Sub-Cooler Sub-Cooling EEV Outdoor Unit Temperature Sensor Solenoid valve Pressure Sensor Remarks Strainer Pressure Sensor SVC Valve - 19 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 20 Temperature sensor Sub-Cooler Sub-Cooling EEV Outdoor Unit Solenoid valve Pressure Sensor Temperature Sensor Remarks Strainer Pressure Sensor SVC Valve - 20 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 21 Temperature sensor Sub-Cooler Sub-Cooling EEV Outdoor Unit Solenoid valve Pressure Sensor Temperature Sensor Remarks Strainer Pressure Sensor SVC Valve - 21 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 22: Wiring Diagrams
Wiring Diagrams 5. Wiring Diagrams n U7 chassis, ARUV140LSS0 n U7 chassis, ARUN100LSS0/ARUN120LSS0 PI485 - 22 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 23 Wiring Diagrams n U3 chassis, ARUN080LSS0 n U3 Chassis 3Φ, ARUN040LSS0/ARUN050LSS0/ARUN060LSS0 - 23 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 24 Wiring Diagrams n U3 Chassis 1Φ, ARUN050GSS0/ARUN060GSS0 n U3 Chassis 1Φ, ARUN040GSS0 - 24 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 25: Main Pcb
HOT GAS SW01C SW04C SW03C SW02C CN_INV SUCTION/HEX/ DISCHARGE SC_OUT/LIQUID P_SEN_L P_SEN_H n PI485 PCB n Indoor Communication PCB - 25 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 26 CN_W CN_INPUT_N CN_INPUT_N CN_INPUT_T CN_INPUT_T CN_INPUT_S CN_INPUT_S CN_INPUT_R CN_INPUT_R CN_COIL CN_COIL (U7 chassis, 14HP, 12HP, 10HP) (U3 chassis, 8HP) - 26 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 28: Exploded View
Subcool out pipe + liquid pipe yellow 263230B Suction pipe + hex + discharge pipe purple 263230C Air temperature sensor green - 28 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 29 549610 554031A 447910 546810A 546810B 559010 546810A 237205 554031B 437212 430410 550140 237202 135500 137213 435513 435301 149980 437211 - 29 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 30 435512 549610 554031 447910 546810A 546810B 559010 546810A 237205 437212 430410 550140 237202 135500 137213 435513 435301 149980 437211 - 30 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 31 559990 165000B 561410A W52240A W4986A 552202 W6631 661400 552200 148000 W52240C 552209 W4986B 552203A 552203B 55211G 552116 554160 548490 - 31 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 32 Subcool out pipe + liquid pipe yellow 263230B Suction pipe + hex + discharge pipe purple 263230C Air temperature sensor green - 32 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 33 Subcool out pipe + liquid pipe yellow 263230B Suction pipe + hex + discharge pipe purple 263230C Air temperature sensor green - 33 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 34 435300 549610 554031 554031 546810A 447910 237202 237205 349480 559010 135500 546810B 550140 437212 137213 435513 430410 435301 437211 - 34 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 35 Exploded View Cycle Parts n U3 chassis, ARUN050GSS0/ARUN060GSS0/ARUN040LSS0/ARUN050LSS0/ARUN060LSS0 /ARUN080LSS0 - 35 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 36 Subcool out pipe + liquid pipe yellow 263230B Suction pipe + hex + discharge pipe purple 263230C Air temperature sensor green - 36 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 37 U4 chassis, ARUN040GSS0 435300 435512 549610 554031 137213A 447900 546810 237202 349480 437211 437212 559010 550140 430410 137213B 435301 - 37 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 38 When you order compressor (554160)SVC part, Butyl(W54102) has 135500 to be ordered together. And attach butyl W4986B to compressor like the picture. - 38 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

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LG ARUN040GSS0 Service Manual

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