LG ARUN100LT2 Service Manual Download Page 1

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System

Outdoor Unit

SERVICE MANUAL

(Exploded View)

MODEL : ARUV Series
ARUN

Series

CAUTION

Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.

Internal Use Only

http://biz.lgservice.com

R410A

Summary of Contents for ARUN100LT2

Page 1: ...VICE MANUAL Exploded View MODEL ARUV Series ARUN Series CAUTION Before Servicing the unit read the safety precautions in General SVC manual Only for authorized service personnel Internal Use Only http biz lgservice com R410A ...

Page 2: ... right reserved Only for training and service purposes LGE Internal Use Only 2 1 Specifications 3 2 Function 15 3 Dimensions 16 4 Piping Diagrams 22 5 Wiring Diagrams 30 6 Exploded View 39 7 COMP and COMP Wire Part List 50 ARUV ARUN Series ...

Page 3: ...able mm2 Refigerant Refigerant name Control Power Supply Ø V Hz 5 6 8 10 ARUN50LT2 ARUN60LT2 ARUN80LT2 ARUN100LT2 ARUN50LT2 ARUN60LT2 ARUN80LT2 ARUN100LT2 14 0 16 0 22 4 28 0 12 000 13 800 19 300 24 100 47 800 54 600 76 400 95 900 15 8 18 0 25 2 31 5 13 600 15 500 21 700 27 100 53 900 61 400 86 000 107 500 3 95 4 45 5 88 7 36 3 90 4 42 5 88 7 45 Warm Gray Warm Gray Warm Gray Warm Gray Wide Louver ...

Page 4: ...40LT2 ARUN160LT2 ARUN180LT2 ARUN120LT2 ARUN140LT2 ARUN160LT2 ARUN120LT2 ARUN60LT2 33 6 39 2 44 8 50 4 28 900 33 700 38 500 43 300 114 700 133 800 152 900 172 000 37 8 44 1 50 4 56 7 32 500 37 900 43 300 48 800 129 000 150 500 172 000 193 500 9 43 12 05 14 20 13 88 9 15 10 80 12 60 13 57 Warm Gray Warm Gray Warm Gray Warm Gray Wide Louver Wide Louver Wide Louver Wide Louver DC Scroll DC Scroll DC S...

Page 5: ...z 20 22 24 26 ARUN200LT2 ARUN220LT2 ARUN240LT2 ARUN260LT2 ARUN140LT2 ARUN160LT2 ARUN160LT2 ARUN140LT2 ARUN60LT2 ARUN60LT2 ARUN80LT2 ARUN120LT2 56 0 61 6 67 2 72 8 48 200 53 000 57 800 62 600 191 100 210 200 229 300 248 400 63 0 69 3 75 6 81 9 54 200 59 600 65 000 70 400 225 000 236 500 258 000 279 500 16 50 18 65 20 08 21 48 15 22 17 02 18 48 19 95 Warm Gray Warm Gray Warm Gray Warm Gray Wide Louv...

Page 6: ...upply Ø V Hz 28 30 32 34 ARUN280LT2 ARUN300LT2 ARUN320LT2 ARUN340LT2 ARUN140LT2 ARUN160LT2 ARUN160LT2 ARUN140LT2 ARUN140LT2 ARUN140LT2 ARUN160LT2 ARUN140LT2 ARUN60LT2 78 4 84 0 89 6 95 2 67 400 72 200 77 100 81 900 267 500 286 600 305 700 324 800 88 2 94 5 100 8 107 1 75 900 81 300 86 700 92 100 301 000 322 500 343 900 365 400 24 10 26 25 28 40 28 55 21 60 23 40 25 20 26 02 Warm Gray Warm Gray War...

Page 7: ...ARUN160LT2 ARUN160LT2 ARUN160LT2 ARUN140LT2 ARUN140LT2 ARUN160LT2 ARUN160LT2 ARUN140LT2 ARUN60LT2 ARUN60LT2 ARUN80LT2 ARUN140LT2 100 8 106 4 112 0 117 6 86 700 91 500 96 300 101 100 343 900 363 100 382 200 401 700 113 4 119 7 126 0 132 3 97 500 102 900 108 400 113 700 386 900 408 400 429 900 451 500 30 70 32 85 34 28 36 15 27 82 29 62 31 08 32 40 Warm Gray Warm Gray Warm Gray Warm Gray Wide Louver...

Page 8: ...charge Side Top Pipe Connctions Liquid Pipes mm inch Gas Pipes mm inch Dimensions WxHxD mm inch Net Weight kg lbs Transmission Cable mm2 Refigerant Refigerant name Control Power Supply Ø V Hz 44 46 48 ARUN440LT2 ARUN460LT2 ARUN480LT2 ARUN160LT2 ARUN160LT2 ARUN160LT2 ARUN140LT2 ARUN160LT2 ARUN160LT2 ARUN140LT2 ARUN140LT2 ARUN160LT2 123 2 128 8 134 4 105 900 110 700 115 500 420 500 439 600 458 700 1...

Page 9: ...Dimensions WxHxD mm inch Net Weight kg lbs Transmission Cable mm2 Refigerant Refigerant name Control Power Supply Ø V Hz 5 6 8 10 ARUV50LT2 E ARUV60LT2 E ARUV80LT2 E ARUV100LT2 E ARUV50LT2 E ARUV60LT2 E ARUV80LT2 E ARUV100LT2 E 14 0 16 0 22 4 28 0 12 000 13 800 19 300 24 100 47 800 54 600 76 400 95 500 3 75 4 25 6 7 7 16 Warm Gray Warm Gray Warm Gray Warm Gray Gold fin Gold fin Gold fin Gold fin D...

Page 10: ...ons WxHxD mm inch Net Weight kg lbs Transmission Cable mm2 Refigerant Refigerant name Control Power Supply Ø V Hz 12 14 16 18 ARUV120LT2 E ARUV140LT2 E ARUV160LT2 E ARUV180LT2 E ARUV120LT2 E ARUV140LT2 E ARUV160LT2 E ARUV120LT2 E ARUV60LT2 E 33 6 39 2 44 8 50 4 28 900 33 700 38 500 43 300 114 700 133 800 152 900 172 000 9 08 11 85 14 00 13 33 Warm Gray Warm Gray Warm Gray Warm Gray Gold fin Gold f...

Page 11: ...name Control Power Supply Ø V Hz 20 22 24 26 ARUV200LT2 E ARUV220LT2 E ARUV240LT2 E ARUV260LT2 E ARUV140LT2 E ARUV160LT2 E ARUV140LT2 E ARUV160LT2 E ARUV60LT2 E ARUV60LT2 E ARUV100LT2 E ARUV100LT2 E 56 0 61 6 67 2 72 8 48 200 53 000 57 800 62 600 191 100 210 200 229 300 248 400 16 1 18 25 20 7 20 93 Warm Gray Warm Gray Warm Gray Warm Gray Gold fin Gold fin Gold fin Gold fin DC Scroll DC Scroll DC ...

Page 12: ...nt Refigerant name Control Power Supply Ø V Hz 28 30 32 34 ARUV280LT2 E ARUV300LT2 E ARUV320LT2 E ARUV340LT2 E ARUV140LT2 E ARUV160LT2 E ARUV160LT2 E ARUV140LT2 E ARUV140LT2 E ARUV140LT2 E ARUV160LT2 E ARUV140LT2 E ARUV60LT2 E 78 4 84 0 89 6 95 2 67 400 72 200 77 100 81 900 267 500 286 600 305 700 324 800 23 7 25 85 28 27 95 Warm Gray Warm Gray Warm Gray Warm Gray Gold fin Gold fin Gold fin Gold f...

Page 13: ...80LT2 E ARUV400LT2 E ARUV420LT2 E ARUV160LT2 E ARUV160LT2 E ARUV160LT2 E ARUV160LT2 E ARUV140LT2 E ARUV160LT2 E ARUV140LT2 E ARUV160LT2 E ARUV60LT2 E ARUV60LT2 E ARUV100LT2 E ARUV100LT2 E 100 8 106 4 112 0 117 6 86 700 91 500 96 300 101 100 343 900 363 100 382 200 401 700 30 1 32 25 34 7 35 16 Warm Gray Warm Gray Warm Gray Warm Gray Gold fin Gold fin Gold fin Gold fin DC Scroll DC Scroll DC Scroll...

Page 14: ... High cmm cfm Drive Discharge Side Top Pipe Connctions Liquid Pipes mm inch Gas Pipes mm inch Dimensions WxHxD mm inch Net Weight kg lbs Transmission Cable mm2 Refigerant Refigerant name Control Power Supply Ø V Hz 44 46 48 ARUV440LT2 E ARUV460LT2 E ARUV480LT2 E ARUV160LT2 E ARUV160LT2 E ARUV160LT2 E ARUV140LT2 E ARUV160LT2 E ARUV160LT2 E ARUV140LT2 E ARUV140LT2 E ARUV160LT2 E 123 2 128 8 134 4 10...

Page 15: ...ckage Category Function Single Unit Series Unit Defrost Deicing O O High pressure switch O O Phase protection O O Restart delay 3 minutes O O Self diagnosis O O Soft start O O Trial operation O O Auto operation Artificial intelligence O O Auto restart operation O O Network Solution LGAP O O Power Distribution Indicator PQNUD1S00 O O Other Thermistor Reliability Convenience CAC network Function Cat...

Page 16: ...1 713 Korea www lge com airconditioner CHASSIS CODE UY Outdoor Unit Heat Pump ARUN50LT2 ARUN60LT2 Cooling Only ARUV50LT2 E ARUV60LT2 E ARUV80LT2 E W mm inch 806 31 5 H mm inch 1607 63 3 D mm inch 730 28 7 L1 mm inch 1427 56 1 L2 mm inch 692 27 2 L3 mm inch 670 26 3 L4 mm inch 500 19 7 L5 mm inch 704 27 7 L6 mm inch 99 3 9 L7 mm inch 82 3 2 W L7 D 60 2 4 160 6 4 L4 L3 L2 D H L5 L1 L6 ...

Page 17: ...tioner CHASSIS CODE UW Outdoor Unit Heat Pump ARUN80LT2 ARUN100LT2 ARUN120LT2 ARUN140LT2 ARUN160LT2 Cooling Only ARUV100LT2 E ARUV120LT2 E ARUV140LT2 E ARUV160LT2 E W mm inch H mm inch D mm inch L1 mm inch L2 mm inch L3 mm inch L4 mm inch L5 mm inch L6 mm inch L7 mm inch L4 L3 L2 D H L5 L1 L6 W L7 D 60 2 4 160 6 4 1280 50 4 1607 63 3 730 28 7 1427 56 1 692 27 2 670 26 3 900 35 4 704 27 7 99 3 9 82...

Page 18: ...inch 82 3 2 Notes 1 Height of walls in case of pattern1 Front side 1500mm Suction side 500mm 2 If the above wall heights are exceeded then h1 2 and h2 2 should be added to the front and suction side service spaces respectively as shown in the following figure 3 When installing the units the most appropriate pattern should be selected from those shown In order to obtain the best fit in the space av...

Page 19: ... Notes 1 Height of walls in case of pattern1 Front side 1500mm Suction side 500mm 2 If the above wall heights are exceeded then h1 2 and h2 2 should be added to the front and suction side service spaces respectively as shown in the following figure 3 When installing the units the most appropriate pattern should be selected from those shown In order to obtain the best fit in the space available alw...

Page 20: ...L6 mm inch 704 27 7 L7 mm inch 99 3 9 L8 mm inch 82 3 2 Notes 1 Height of walls in case of pattern1 Front side 1500mm Suction side 500mm 2 If the above wall heights are exceeded then h1 2 and h2 2 should be added to the front and suction side service spaces respectively as shown in the following figure 3 When installing the units the most appropriate pattern should be selected from those shown In ...

Page 21: ...ight of walls in case of pattern1 Front side 1500mm Suction side 500mm 2 If the above wall heights are exceeded then h1 2 and h2 2 should be added to the front and suction side service spaces respectively as shown in the following figure 3 When installing the units the most appropriate pattern should be selected from those shown In order to obtain the best fit in the space available always bear in...

Page 22: ...re Sensor Outdoor Temperature Sensor High Pressure Sensor 4 Way Valve Outdoor EEV Sub cooling Circuit Outlet Temperature Sensor Sub cooling Circuit Inlet Temperature Sensor Sub Cooling EEV Double Tube HEX Liquid Pipe Temp Sensor Comp Discharge Temperature Sensor Suction Temperature Sensor Low Pressure Sensor Liquid Pipe Gas Pipe High Temp High Pressure Gas High Temp High Pressure Liquid Low Temp L...

Page 23: ...Outdoor EEV Sub cooling Circuit Outlet Temperature Sensor Comp Discharge Temperature Sensor Oil Separator Liquid Pipe Temp Sensor Low Pressure Sensor High Pressure Sensor 4 Way Valve Gas Pipe Liquid Pipe Suction Temperature Sensor Sub cooling Circuit Inlet Temperature Sensor Sub Cooling EEV High Temp High Pressure Gas High Temp High Pressure Liquid Low Temp Low Pressure Gas Pressure Sensor Pressur...

Page 24: ...re Gas Outdoor Unit HEX Temperature Sensor Outdoor Temperature Sensor Outdoor EEV Comp Discharge Temperature Sensor Low Pressure Sensor High Pressure Sensor Suction Temperature Sensor Gas Pipe Liquid Pipe Liquid Pipe Temp Sensor Sub cooling Circuit Inlet Temperature Sensor Sub Cooling EEV Double Tube HEX Oil Separator Pressure Sensor Pressure Switch Temperature Sensor Sub cooling Circuit Outlet Te...

Page 25: ...ure Sensor Outdoor Temperature Sensor Liquid Pipe Temp Sensor Sub Cooling EEV Sub cooling Circuit Outlet Temperature Sensor Liquid Pipe Gas Pipe Indoor Unit EEV Indoor HEX DC DC Outdoo r Unit Pressure Sensor s s Pressure Switch Check Valve EEV Temperature Sensor Solenoid Valve SVC Valve Remarks High Temp High Pressure Gas High Temp High Pressure Liquid Low Temp Low Pressure Gas s s EEV Indoor Unit...

Page 26: ...ssure Sensor 4 Way Valve Liquid Pipe Gas Pipe Low Pressure Sensor Oil Separator Oil Separator Comp Discharge Temperature Sensor Comp Discharge Temperature Sensor Constant Speed Comp Suction Temperature Sensor Sub cooling Circuit Outlet Temperature Sensor Liquid Pipe Temp Sensor Sub Cooling EEV Sub cooling Circuit Inlet Temperature Sensor Outdoor EEV High Temp High Pressure Gas High Temp High Press...

Page 27: ...Sensor 4 Way Valve Outdoor EEV Liquid Pipe Gas Pipe Oil Separator Oil Separator Suction Temperature Sensor Comp Discharge Temperature Sensor Comp Discharge Temperature Sensor Constant Speed Comp Low Pressure Sensor Sub cooling Circuit Outlet Temperature Sensor Sub cooling Circuit Inlet Temperature Sensor Liquid Pipe Temp Sensor Outdoo r Unit Sub Cooling EEV Pressure Sensor Pressure Switch Temperat...

Page 28: ...perature Sensor High Pressure Sensor Sub cooling Circuit Outlet Temperature Sensor Sub cooling Circuit Inlet Temperature Sensor Sub Cooling EEV Liquid Pipe Temp Sensor Comp Discharge Temperature Sensor Suction Temperature Sensor Low Pressure Sensor Liquid Pipe Gas Pipe High Temp High Pressure Gas High Temp High Pressure Liquid Low Temp Low Pressure Gas Oil Separator Outdoo r Unit Pressure Sensor P...

Page 29: ... Temperature Sensor Double Tube HEX Liquid Pipe Temp Sensor Sub Cooling EEV Liquid Pipe Gas Pipe Indoor Unit EEV Indoor HEX DC DC Outdoo r Unit Pressure Sensor s s Pressure Switch Check Valve EEV Temperature Sensor Solenoid Valve SVC Valve Remarks High Temp High Pressure Gas High Temp High Pressure Liquid Low Temp Low Pressure Gas s s EEV Indoor Unit Indoor HEX Fan Fan Discharge Temp Sensor C Disc...

Page 30: ...Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 30 5 Wiring Diagrams 5 1 Heat Pump Model Wiring Diagrams 5 1 1 UY2 Chassis ...

Page 36: ...RONIC EXPANSION VALVE CN40 EEV SC CN38 EEV OUT CONSTANT COMP HIGH PRESSURE SWITCH CN43 P C S W INV COMP HIGH PRESSUR SWITCH CN44 P I S W INVERTER COMP LIQUID VALVE LOW PRESSURE SENSOR CN32 P SENSOR L CONSTANT COMP CURRENT SENSOR CN27 STD_COMP CT1 SC OUT SC CIRCUIT OUTLET TEMP SENSOR SC IN SUCTION CN33 SUCTION TEMPERATURE SENSOR DISCHARGE I INV DISCHARGE TEMP SENSOR HEX1 OUTDOOR HEX TEMP SENSOR 1 H...

Page 37: ...V INPUT 220V Power Input Terminal CN01 FAN Communication Terminal to Fan PCB CN02 MAIN Communication Terminal to Main PCB CN_N1 N Phase Terminal CN_T2_1 R Phase Terminal CN_R2_1 T Phase Terminal CN03 INV LGMV INV Onboarding Terminal CN12 DC LINK 700 V 700V DC LINK CN13 15V OUTPUT DC 15V Output Terminal CN04 PFC LGMV PFC Onboarding Terminal CH14 U V W OUT UVW Output Terminal CN_L1 R R Phase Termina...

Page 38: ...B CN HALL SENSOR FAN MOTOR HALL Sensor CN DC LINK 700V DC LINK CN FAN Fan Motor Power Terminal CN 15V DC15V Power Input Terminal CN_MICOM WRITING INV Onboarding Terminal CN HEAT SINK Heat Sink Temp Sensor CN INV_COM Communication Terminal to INV PCB CN HALL SENSOR R Left Fan Motor Hall Sensor CN HALL SENSOR L Right Fan Motor Hall Sensor CN FAN RIGHT Left Fan Motor Hall Sensor CN DC LINK 700V DC LI...

Page 39: ...check Part Number There are two Part Number INV control box Location Number 649950 Fan motor PCB Location Number 268711C After May 2010 Multi V Plus II use LG motor New Model Panasonic Motor Model LG Motor Model ARUN60LT2 ABQ34827311 ABQ34827318 ARUN50LT2 ABQ34827312 ABQ34827319 ARUV80LT2 ABQ34827313 ABQ34827320 ARUV60LT2 ABQ34827314 ABQ34827321 ARUV50LT2 ABQ34827315 ABQ34827322 Panasonic Motor Mo...

Page 40: ... W5210B 554030D 552112D 352114B 352111B 552202 552116 552200B W52240C 661400 THERMISTOR 1 263230A Liquid Pipe sub Cooler IN Sub Cooler OUT Housing color yellow THERMISTOR 2 263230B Inv discharge HEX Front HEX back Housing color purple THERMISTOR 3 263230C Air suction Pipe Housing color black Heat Pump UY chassis ARUN60LT2 Model Classiﬁcation Description Part Number Location Number Remark ARUN60LT2...

Page 41: ...B 554030D 552112D 352114B 352111B 552202 552116 552200B W52240C 661400 THERMISTOR 1 263230A Liquid Pipe sub Cooler IN Sub Cooler OUT Housing color yellow THERMISTOR 2 263230B Inv discharge HEX Front HEX back Housing color purple THERMISTOR 3 263230C Air suction Pipe Housing color black Heat Pump UY chassis ARUN50LT2 E Model Classiﬁcation Description Part Number Location Number Remark ARUN50LT2 E H...

Page 42: ...55211G 263230A 552200B W52240C 661400 THERMISTOR 1 263230A Liquid Pipe sub Cooler IN Sub Cooler OUT Housing color yellow THERMISTOR 2 263230B Inv discharge HEX Front HEX back Housing color purple THERMISTOR 3 263230C Air suction Pipe Housing color black Cooling Only UY chassis ARUV60LT2 E Model Classiﬁcation Description Part Number Location Number Remark ARUV60LT2 E Cooling Only Compressor TBZ3098...

Page 43: ...B W52240C 661400 THERMISTOR 1 263230A Liquid Pipe sub Cooler IN Sub Cooler OUT Housing color yellow THERMISTOR 2 263230B Inv discharge HEX Front HEX back Housing color purple THERMISTOR 3 263230C Air suction Pipe Housing color black Cooling Only UY chassis ARUV50LT2 E ARUV80LT2 E Model Classiﬁcation Description Part Number Location Number Remark ARUV50LT2 E ARUV80LT2 E Cooling Only Compressor TBZ3...

Page 44: ... Explodede View Before replacing INV control box or Fan motor PCB Please check Part Number There are two Part Number INV control box Location Number 649950A Fan motor PCB Location Number 268711C After May 2010 Multi V Plus II use LG motor New Panasonic Motor Model LG Motor Model 2010 4 2010 5 ARUN80LT2 ABQ34394904 ABQ34394913 ARUV100LT2 E ABQ34394913 Production Model Panasonic Motor Model LG Motor...

Page 45: ...motor New Before replacing INV control box or Fan motor PCB Please check Part Number There are two Part Number INV control box Location Number 649950A Fan motor PCB Location Number 268711C Panasonic Motor Model LG Motor Model 2010 4 2010 5 ARUN100LT2 ABQ34394313 ARUN120LT2 ABQ34394313 ARUN140LT2 ABQ34394313 ARUN160LT2 ABQ34394904 ABQ34394313 ARUV120LT2 E ABQ34394313 ARUV140LT2 E ABQ34394313 ARUV16...

Page 46: ...7211 554030A 552115B W5210B 554030D 552115D 352114B 352111B 554030B 552115C W5210B 552116 137213B W52240C 55211G 661400 552200B W52240D 263230A THERMISTOR 1 263230A Liquid Pipe sub Cooler IN Sub Cooler OUT Housing color yellow THERMISTOR 2 263230B Inv discharge HEX Front HEX back Housing color purple THERMISTOR 3 263230C Air suction Pipe Housing color black Heat Pump Model ARUN80LT2 Before replaci...

Page 47: ...554030A 552115B W5210B 554030D 552115D 352114B 352111B 554030B 552115C W5210B 137213B W52240A 55211G 661400 552200B W52240D 263230A W52240C THERMISTOR 1 263230A Liquid Pipe sub Cooler IN Sub Cooler OUT Housing color yellow THERMISTOR 2 263230B Inv discharge HEX Front HEX back Housing color purple THERMISTOR 3 263230C Air suction Pipe const Discharge Pipe Housing color black Heat Pump Model ARUN100...

Page 48: ...15C W5210B 165010B 165010A W52240B 552204B 137213B 561410D W52240C 55211G 661400 552200B W52240D 263230A THERMISTOR 1 263230A Liquid Pipe sub Cooler IN Sub Cooler OUT Housing color yellow THERMISTOR 2 263230B Inv discharge HEX Front HEX back Housing color purple THERMISTOR 3 263230C Air suction Pipe Housing color black Cooling Only Model ARUV100LT2 E Before replacing fan motor Please check fan mot...

Page 49: ...552115C W5210B 165010B 165010A W52240B 552204B 137213B W52240C 55211G 661400 552200B W52240D 263230A THERMISTOR 1 263230A Liquid Pipe sub Cooler IN Sub Cooler OUT Housing color yellow THERMISTOR 2 263230B Inv discharge HEX Front HEX back Housing color purple THERMISTOR 3 263230C Air suction Pipe const Discharge Pipe Housing color black Cooling Only Model ARUV120LT2 E ARUV140LT2 E ARUV160LT2 E Befo...

Page 50: ...6631A Compressor TBZ31526501 554160B S Valve Side Harness Multi EAD37680314 W6631B Compressor TBZ30983001 554160A Barrier Side ARUN140LT2 ARUN160LT2 Inverter Heat Pump Harness Multi EAD37680313 W6631A Compressor TBZ30617501 554160B S Valve Side Harness Multi EAD37680314 W6631B Compressor TBZ30983001 554160A Barrier Side ARUV100LT2 E ARUV120LT2 E Cooling Only Harness Multi EAD37680313 W6631A Compre...

Page 51: ...P NO 3828A24006X MARCH 2010 ...

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