LG Multi V III Solo ARUN LM3 Series User manual

Internal Use Only
http://biz.lgservice.com
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
Outdoor Unit
SERVICE MANUAL
(Exploded View)
MODEL : ARUN***LM3 Series
R410A
Solo - Heat Pump

1. Specifications ...............................................................................3
2. Function ........................................................................................4
3. Dimensions ...................................................................................5
4. Piping Diagrams ...........................................................................6
5. Wiring Diagrams.........................................................................17
6. Exploded View ............................................................................22
ARUN***LM3 Series
- 2 -
Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only

1. Specifications
Specification
Heat Pump(50Hz/60Hz)
Notes:
1. Capacities are based on the following conditions:
Cooling: - Indoor Temperature 27°C(80.6°F) DB/19°C(66.2°F) WB
- Outdoor Temperature 35°C(95°F) DB/24°C(75.2°F) WB
Heating: - Indoor Temperature 20°C(68°F) DB/15°C(59°F) WB
- Outdoor Temperature 7°C(44.6°F) DB/6°C(42.8°F) WB
Piping Length - Interconnecting Piping Length 7.5m
- Level Difference of Zero
2. Capacities are net capacities
3. EEV : Electronic Expansion Valve
4. Wiring cable size must comply with the applicable local and national code.
5. Due to our policy of innovation some specifications may be changed without
prior notification
Conversion Formula
RT = kW x 0.284
kcal/h = kW x 860
Btu/h = kW x 3412
cfm = m3/min x 35.3
- 3 -
Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
HP 8 10 12
Model Name
Combination Unit ARUN80LM3 ARUN100LM3 ARUN120LM3
Independent Unit ARUN80LM3 ARUN100LM3 ARUN120LM3
Capacity
Cooling
kW 22.4 28.0 33.6
kcal/h 19,300 24,100 28,900
Btu/h 76,400 95,900 114,700
Heating
kW 25.2 31.5 37.8
kcal/h 21,700 27,100 32,500
Btu/h 86,000 107,500 129,000
Power Input Cooling kW 5.55 7.20 9.30
Heating kW 5.96 7.60 9.34
Casing Color Warm Gray
Morning Gray
Warm Gray
Morning Gray
Warm Gray
Morning Gray
Heat Exchanger Gold fin Gold fin Gold fin
Compressor
Type DC Scroll DC Scroll DC Scroll
Piston Displacement cm3/rev 52.0 40.46 + 81.02 40.46 + 81.02
Number of Revolution R.P.M 3,600 3,600 + 2,891 3,600 + 2,891
Motor Output x Number W 5,356 4,200 + 5,300 4,200 + 5,300
Starting Method Direct On Line Direct On Line Direct On Line
Oil Type FVC68D(PVE) FVC68D(PVE) FVC68D(PVE)
Oil Charge cc 2,825 3,975 3,975
Fan
Type Propeller fan Propeller fan Propeller fan
Motor Output x Number W 750 x 1 750 x 1 750 x 1
Air Flow Rate(High) CMM 180 190 190
CFM 6,300 6,700 6,700
Drive DC INVERTER DC INVERTER DC INVERTER
Discharge Side / Top TOP TOP TOP
Pipe
Connctions
Liquid Pipes mm(inch) 9.52(3/8) 9.52(3/8) 12.7(1/2)
Gas Pipes mm(inch) 19.05(3/4) 22.2(7/8) 28.58(1-1/8)
Dimensions(WxHxD) mm 920 × 1,680 × 760 920 × 1,680 × 760 920 × 1,680 × 760
inch 36.2 × 66.1 × 29.9 36.2 × 66.1 × 29.9 36.2 × 66.1 × 29.9
Net Weight kg 175 218 218
lbs 385 480 480
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 protection/
Fan
driver overload protector
Inverter Over-heat protection,
Over-current protection
Over-heat protection,
Over-current protection
Over-heat protection,
Over-current protection
Communication Cable mm2(VCTF-SB) 1.0 ~ 1.5 × 2C 1.0 ~ 1.5 × 2C 1.0 ~ 1.5 × 2C
Refigerant Refigerant name R410A R410A R410A
Control EEV EEV EEV
Power Supply Ø , V, Hz 3, 380~415, 50 3, 380~415, 50 3, 380~415, 50
3, 380, 60 3, 380, 60 3, 380, 60

Functions
Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
- 4 -
2. Functions
Category Function Multi V III Solo – Heat pump
Defrost/ Deicing O
High pressure switch O
Phase protection O
Restart delay(3-minutes) O
Self diagnosis O
Soft start O
Trial operation O
Auto operation(Artificial intelligence) O
Auto restart operation O
Network Solution(LGAP) O
Power Distribution Indicator(PNU-D1S00) O
Reliability
Convenience
CAC network
Function
O : Applied X : Not applied - : No reation
Option : Model name & 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.
O : Applied X : Not applied - : No reation
Option : Model name & 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.
Device Multi V III Solo – Heat pump
Central Controller
Simple Controller PQCSB101S0
AC Ez PQCSZ250S0
Function controller PQCSB101S0 + PQCSC101S0
Function Scheduler PQCSB101S0 + PQCSD130A0
AC Smart ll PQCSW320A1E
Expansion Kit PQCSE440U0
Option Kit PQCSE341A0 / PQCSE342A0
ACP PQCPA11A0E / PQCPB11A0E
AC Manager PQCSS520A0E
BNU LONWORKS Gateway PQNFB16A1
BACnet Gateway PQNFB17B0
Do Kit PQNFP00T0
Power Distribution Indicator(PDI) PQNUD1S00
Cool / Heat Selector PRDSBM
ODU Dry Contact PQDSBCDVM0
Program LG MV Option
Other
Y branch Accessory
Header branch Accessory
Air Guide Accessory
Refrigerant Charging Kit PRAC1

Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
- 5 -
Dimensions
Outdoor Unit
ARUN80LM3
3. Dimensions

Dimensions
Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
- 6 -
Outdoor Unit
ARUN100LM3 ARUN120LM3

Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
- 7 -
4. Piping Diagrams
Piping Diagrams
4.1 Heat Pump Model
4.1.1 8HP(UX2 1Comp.)
Cooling Operation
M
Electronic
Expansion
Valve
IDU Air
Temperature
Thermistor
Indoor Unit
IDU Hex
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
2 Way
Flare Connection
2 Way
Flare Connection
M
Electronic
Expansion
Valve
IDU Air
Temperature
Thermistor
Indoor Unit
IDU Hex
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
2 Way
Flare Connection
2 Way
Flare Connection
Sub-Cooling HEX
High Temperature High Pressure Gas
High Temperature High Pressure Liquid
Low Temperature Low Pressure Gas
M
ODU Air
Temperature
Thermistor
ODU Hex.
Temperature
Thermistor
Liquid pipe
Temperature
Thermistor
Outdoor
Electronic
Expansion
Valve
Sub-Cooling
Electronic
Expansion
Valve
Accumulator
4 way
Valve
Inverter
Compressor
Oil
Separator
High
Pressure
Switch
S
Suction
Temperature
Thermistor
Low
Pressure
Sensor
High
Pressure
Sensor
Discharge
Temperature
Thermistor
SC Circuit
Outlet
Temperature
Thermistor
Gas Pipe - 2 Way
Welding Connection
Liquid Pipe - 2 Way
Welding Connection
Outdoor Unit
ss
Check valve
EEV
Solenoid valve
SVC Valve
Pressure Sensor
Pressure Switch
Temperature Sensor
Remarks
Strainer

Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
- 8 -
Piping Diagrams
Electronic
Expansion
Valve
IDU Air
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
2 Way
Flare Connection
2 Way
Flare Connection
M
Electronic
Expansion
Valve
IDU Air
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
2 Way
Flare Connection
2 Way
Flare Connection
Sub-Cooling HEX
High Temperature High Pressure Gas
High Temperature High Pressure Liquid
Low Temperature Low Pressure Gas
ODU Air
Temperature
Thermistor
ODU Hex.
Temperature
Thermistor
Liquid pipe
Temperature
Thermistor
Outdoor
Electronic
Expansion
Valve
Sub-Cooling
Electronic
Expansion
Valve
Accumulator
4 way
Valve
Inverter
Compressor
Oil
Separator
High
Pressure
Switch
S
Suction
Temperature
Thermistor
Low
Pressure
Sensor
High
Pressure
Sensor
Discharge
Temperature
Thermistor
SC Circuit
Outlet
Temperature
Thermistor
Gas Pipe - 2 Way
Welding Connection
Liquid Pipe - 2 Way
Welding Connection
M
Indoor Unit Indoor Unit
M
Outdoor Unit
Heating Operation
ss
Check valve
EEV
Solenoid valve
SVC Valve
Pressure Sensor
Pressure Switch
Temperature Sensor
Remarks
Strainer

Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
- 9 -
Piping Diagrams
Sub-Cooling HEX
High Temperature High Pressure Gas
High Temperature High Pressure Liquid
Low Temperature Low Pressure Gas
ODU Air
Temperature
Thermistor
ODU Hex.
Temperature
Thermistor
Liquid pipe
Temperature
Thermistor
Outdoor
Electronic
Expansion
Valve
Sub-Cooling
Electronic
Expansion
Valve
Accumulator
4 way
Valve
Inverter
Compressor
Oil
Separator
High
Pressure
Switch
S
Suction
Temperature
Thermistor
Low
Pressure
Sensor
High
Pressure
Sensor
Discharge
Temperature
Thermistor
SC Circuit
Outlet
Temperature
Thermistor
Gas Pipe - 2 Way
Welding Connection
Liquid Pipe - 2 Way
Welding Connection
M
Outdoor Unit
Electronic
Expansion
Valve
IDU Air
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
2 Way
Flare Connection
2 Way
Flare Connection
M
Indoor Unit
Electronic
Expansion
Valve
IDU Air
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
2 Way
Flare Connection
2 Way
Flare Connection
M
Indoor Unit
Oil Return/ Defrost Operation
ss
Check valve
EEV
Solenoid valve
SVC Valve
Pressure Sensor
Pressure Switch
Temperature Sensor
Remarks
Strainer

Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
- 10 -
Piping Diagrams
Electronic
Expansion
Valve
IDU Air
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
2 Way
Flare Connection
2 Way
Flare Connection
M
Indoor Unit
Electronic
Expansion
Valve
IDU Air
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
2 Way
Flare Connection
2 Way
Flare Connection
M
Indoor Unit
Sub-Cooling HEX
High Temperature High Pressure Gas
High Temperature High Pressure Liquid
Low Temperature Low Pressure Gas
ODU Air
Temperature
Thermistor
ODU Hex.
Temperature
Thermistor
Liquid pipe
Temperature
Thermistor
Outdoor
Electronic
Expansion
Valve
Sub-Cooling
Electronic
Expansion
Valve
Accumulator
4 way
Valve
Inverter
Compressor
Oil
Separator
High
Pressure
Switch
S
Suction
Temperature
Thermistor
Low
Pressure
Sensor
High
Pressure
Sensor
Discharge
Temperature
Thermistor
SC Circuit
Outlet
Temperature
Thermistor
Gas Pipe - 2 Way
Welding Connection
Liquid Pipe - 2 Way
Welding Connection
Constant
Speed
Compressor
Oil
Separator
Discharge
Temperature
Thermistor
M
Outdoor Unit
Cooling Operation
ss
Check valve
EEV
Solenoid valve
SVC Valve
Pressure Sensor
Pressure Switch
Temperature Sensor
Remarks
Strainer
4.1.2 10, 12HP(UX2 2Comp.)

Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
- 11 -
Piping Diagrams
Sub-Cooling HEX
High Temperature High Pressure Gas
High Temperature High Pressure Liquid
Low Temperature Low Pressure Gas
ODU Air
Temperature
Thermistor
ODU Hex.
Temperature
Thermistor
Liquid pipe
Temperature
Thermistor
Outdoor
Electronic
Expansion
Valve
Sub-Cooling
Electronic
Expansion
Valve
Accumulator
4 way
Valve
Inverter
Compressor
Oil
Separator
High
Pressure
Switch
S
Suction
Temperature
Thermistor
Low
Pressure
Sensor
High
Pressure
Sensor
Discharge
Temperature
Thermistor
SC Circuit
Outlet
Temperature
Thermistor
Gas Pipe - 2 Way
Welding Connection
Liquid Pipe - 2 Way
Welding Connection
Constant
Speed
Compressor
Oil
Separator
Discharge
Temperature
Thermistor
M
Outdoor Unit
Electronic
Expansion
Valve
IDU Air
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
2 Way
Flare Connection
2 Way
Flare Connection
M
Indoor Unit
Electronic
Expansion
Valve
IDU Air
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
2 Way
Flare Connection
2 Way
Flare Connection
M
Indoor Unit
Heating Operation
ss
Check valve
EEV
Solenoid valve
SVC Valve
Pressure Sensor
Pressure Switch
Temperature Sensor
Remarks
Strainer

Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
- 12 -
Piping Diagrams
Sub-Cooling HEX
High Temperature High Pressure Gas
High Temperature High Pressure Liquid
Low Temperature Low Pressure Gas
ODU Air
Temperature
Thermistor
ODU Hex.
Temperature
Thermistor
Liquid pipe
Temperature
Thermistor
Outdoor
Electronic
Expansion
Valve
Sub-Cooling
Electronic
Expansion
Valve
Accumulator
4 way
Valve
Inverter
Compressor
Oil
Separator
High
Pressure
Switch
S
Suction
Temperature
Thermistor
Low
Pressure
Sensor
High
Pressure
Sensor
Discharge
Temperature
Thermistor
SC Circuit
Outlet
Temperature
Thermistor
Gas Pipe - 2 Way
Welding Connection
Liquid Pipe - 2 Way
Welding Connection
Constant
Speed
Compressor
Oil
Separator
Discharge
Temperature
Thermistor
M
Outdoor Unit
Electronic
Expansion
Valve
IDU Air
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
2 Way
Flare Connection
2 Way
Flare Connection
M
Indoor Unit
Electronic
Expansion
Valve
IDU Air
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
IDU Hex
Temperature
Thermistor
2 Way
Flare Connection
2 Way
Flare Connection
M
Indoor Unit
Oil Return/ Defrost Operation
ss
Check valve
EEV
Solenoid valve
SVC Valve
Pressure Sensor
Pressure Switch
Temperature Sensor
Remarks
Strainer

Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
- 13 -
5. Wiring Diagrams
5.1 Heat Pump Model
5.1.1 8HP(UX2 1Comp.)
Wiring Diagrams

Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
- 14 -
Wiring Diagrams
5.1.2 10, 12HP(UX2 2Comp.)

Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
- 15 -
Wiring Diagrams
nMain PCB
INVERTER PCB COMMUNICATION TERMINAL)
CN29 TO INVERTER BOARD
(OUTDOOR LOW ELECTRONIC EXPANSION VALVE)
OUTDOOR ELECTRONIC EXPANSION VALVE)
CN39 EEV-INJ
SUBCOOLING CIRCUIT ELECTRONIC EXPANSION VALVE)
CN40 EEV-SC
CN38 EEV-OUT
INV COMP HIGH PRESSUR SWITCH))
(CONSTANT COMP 2 HIGH PRESSURE SWITCH)
CN44 P(I) S/W
CN26 P(C2) S/W
(CONSTANT COMP HIGH PRESSURE SWITCH)
CN43 P(C) S/W
(HOT GAS SOLENOID VALVE_LOW)
CN18
(HOT GAS SOLENOID VALVE_UPPER)
CN17
OIL RETURN
CN16
(CONSTANT COMP 2 MAGNETIC SWITCH)
CN15
(CONSTANT COMP 1 MAGNETIC SWITCH)
CN14
(HOT GAS SOLENOID VALVE_MAIN)
CN13
(CONSTANT COMP 2 HEATER)
CN12
(CONSTANT COMP 1 HEATER)
CN11
(INVERTER COMP HEATER)
CN10 HEATER(I)
(4 WAY REVERSING VALVE)
(220 V POWER INPUT TERMINAL)
(JIG POWER TERMINAL : AC 220V)
CN09 4WAY
CN08 AC 220 V
JIG1, JIG2
(LOW PRESSURE SENSOR)
CN32 P-SENSOR(L)
(CONSTANT COMP 1 CURRENT SENSOR)
CN27 STD_COMP CT1
(CONSTANT COMP 2 CURRENT SENSOR)
CN28 STD_COMP CT2
TH_HEX3
(HIGH PRESSURE SENSOR)
(ODU HEX TEMP SENSOR_LOW)
TH_DISCHARGE(32)
(CONST COMP 2 DISCHARGE TEMP SENSOR)
TH_DISCHARGE(31)
CN35
(CONST COMP 1 DISCHARGE TEMP SENSOR)
CN30 P-SENSOR(H)
TH_SUCTION
(SUCTION TEMPERATURE SENSOR)
(SC CIRCUIT OUTLET TEMP SENSOR)
(OUTDOOR TEMPERATURE SENSOR)
HEX1
(ODU HEX TEMP SENSOR)
(INVERTER COMP 1 DISCHARGE TEMP SENSOR)
TH_DISCHARGE(I)
CN34
TH_CS_OUT
(ODU HEX TEMP SENSOR_UPPER)
TH_HEX2
(SC CIRCUIT LIQUID PIPE TEMP SENSOR)
TH_CS_L
CN33
TH_AIR
IPM TEMPERATURE SENSOR
TH_IPM
CN36
CN41 CEN CONTROL_WRITE
(CENTRAL CONTROL TERMINAL)
CN05 TO JIG
(JIG CONNECTION TERMINAL: LGMV)
CN06 WRITE SEL
(ONBOARDING SHORT TERMINAL)
CN04 FLASH_WRITE
(ONBOARDING TERMINAL)
(AUTO ADDRESSING SWITCH)
SW02V AUTO ADDRES
SW01S RESET
(RESET BUTTON)
CN_INVERTERCN_MAIN
220V Power output Terminal 220V Power Output Terminal
Heat Pump
nNoise Filter

Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
- 16 -
Wiring Diagrams
nInverter PCB
- 8Hp (UX2 1 Comp)
- 10/12Hp (UX2 2 Comp)
CN_T2_1
R Phase Terminal
CN_P1
T Phase Terminal
CN_L1(R)
R Phase Terminal
CN_N1
N Phase Terminal
CN13 15V OUTPUT
DC 15V Output Terminal
CN04 PFC LGMV
PFC Onboarding Terminal
CN12 DC LINK 700 V
(700V DC LINK)
CN06 AC 220V INPUT
220V Power Input Terminal
CN_R2_1
T Phase Terminal
CN_L3(T)
T Phase Terminal
CN01 FAN
Communication Terminal to Fan PCB
CN02 MAIN
Communication Terminal to Main PCB
CN03 INV LGMV
INV Onboarding Terminal
CH14 U.V.W OUT
UVW Output Terminal
CN-T2
CN-R2
R Phase Terminal
T Phase Terminal
CN06 FAN
Communication Terminal to Fan PCB
CH07 MAIN
Communication Terminal to Main PCB
CN03 INV LGMV
INV Onboarding Terminal
CN04 15V OUTPUT
DC 15V Output Terminal
CN08 AC220 INPUT
220V Power Input Terminal
CN01 COMP CON
U.V.W Output Terminal
CN-N1
N Phase Terminal
CN05 DC-LINK(700V)
700V DC Link
CN-P1
T Phase Terminal
CN-L1_R
R Phase Terminal
CN-L3_T
T Phase Terminal

Copyright ©2011 LG Electronics. Inc. All right reserved.
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- 17 -
Wiring Diagrams
nFAN PCB
CN FLASH WRITER
(Onboading Short Terminal)
CN HEAT SINK
(Onboading Short Terminal)
SW01B
(Reset button)
CN FAN
(Fan Motor Power Terminal)
(Communication Terminal to INV PCB)
CN INV_COM
(DC15V Power Input Terminal)
CN 15V
CN_MICOM WRITING
(INV Onboarding Terminal)
CN DC LINK
(700V DC LINK)

Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
- 18 -
Exploded view
135313A
W4810A
554031
437211A
135500A
237203A
135500C
135500B
137213A
549990
559010
546810
W4810B
W4810A
137213B
135500E
W4986B
554160A
553000A
W4986A
435301
237203B
237203A
147780
430410
(Base Pan Assembly)
(Sound proof for Inv. Comp)
649950
W48602 548490
Part L/No. Remark
Inv Comp. Heater 553000A Housing Color : Blue
Heater Spring W48602 -
6. Exploded View
Outdoor Unit
6.1 Heat Pump Model
6.1.1 8HP(UX2 1Comp.)

Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
- 19 -
Exploded view
552116
552114
55211G
352114 552115
552201A
552201C
552203B
552203A
148000D
165010B
552204B
561410A
263230B
263230A
552200A
165010A
561410D
552202
552117
W52240B
W52240C
661400
566000
Inv. PCB Grease
(Inv. Heat Sink)
RAC31217901
(Fan Heat Sink)
268711A
W0DS
W6200
268711B
261704
263230E
W6640
135500D
435511
W49200B
W49200A
263230D
W6631A
268711C
Part L/No. Sensor location Remark
Temp. Sensor 1 263230A Sub-Cool Out + Liquid Pipe Housing Color : Yellow
Temp. Sensor 2 263230B Suction Pipe + Inv. Discharge + HEX Housing Color : Purple
Temp. Sensor 3 263230E Air + Inv. IPM Housing Color : Green

Copyright ©2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
- 20 -
Exploded view
135313A
554031
437211A
135500A
237203A
135500C
135500B
137213A
549990
559010
546810
W4810A
137213B
135500E
W4986D
554160B
554160A
W4986B
W4986C
435301
237203B
237203A
147780
430410
(Base Pan Assembly)
(Sound proof for Inv. Comp) (Sound proof for Const. Speed Comp)
649950
553000B
W4986A
W48601
W48602
553000A
W4810A
W4810B
548490
6.1.2 10,12HP(UX2 2Comp.)
Part L/No. Remark
Inv Comp. Heater 553000A Housing Color : Blue
Const. Speed Comp. Heater 553000B Housing Color : Yellow
Inv Comp. Heater Spring W48601 -
Const. Speed Comp. Heater Spring W48602 -