LG A2UC146FA0 Service Manual

Free joint multi type air conditioner

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Product data (78 pages)

Service manual (75 pages)

Table Of Contents

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Air Conditioner

SERVICE MANUAL

MODEL

• Outdoor Unit: A2UC146FA0

• Indoor Unit:

Cooling Model

A2UC186FA0

A3UC216FA0

A4UC306FA0

AMNC076LQL0

AMNC096LQL0

AMNC126LRL0

AMNC186LTL0

AMNC246LTL0

AMNC096AP*1

AMNC126AP*1

CAUTION

• BEFORE SERVICING THE UNIT, READ THE SAFETY

PRECAUTIONS IN THIS MANUAL.

• ONLY FOR AUTHORIZED SERVICE PERSONNEL.

website http://www.lgservice.com

e-mail http://www.lgeservice.com/techsup.html

Heating Model

A2UH146FA0

A2UH186FA0

A3UH216FA0

A4UH306FA0

AMNH076LQL0

AMNH096LQL0/LQA0

AMNH126LRL0

AMNH186LTL0

AMNH246LTL0/LTA0

AMNH096AP*1

AMNH126AP*1

Table of Contents

Troubleshooting

Summary of Contents for LG A2UC146FA0

Page 1: Air Conditioner
Free Joint Multi Type Air Conditioner SERVICE MANUAL MODEL Cooling Model Heating Model • Outdoor Unit: A2UC146FA0 A2UH146FA0 A2UC186FA0 A2UH186FA0 A3UC216FA0 A3UH216FA0 A4UC306FA0 A4UH306FA0 • Indoor Unit: AMNC076LQL0 AMNH076LQL0 AMNC096LQL0 AMNH096LQL0/LQA0 AMNC126LRL0 AMNH126LRL0 AMNC186LTL0 AMNH186LTL0 AMNC246LTL0...
Page 2: Table Of Contents
Multi Air Conditioner Service Manual TABLE OF CONTENTS Safety Precautions............................3 Details of LG Model Name..........................7 Product Specifications ............................8 Combination Table ............................11 Dimensions ................................17 Refrigeration Cycle Diagram ..........................22 Wiring Diagram ..............................26 Electronic Control Device..........................29 Schematic Diagram ............................32 Functions ................................35 Operation Details..............................39 2-way, 3-way Valve..............................46...
Page 3: Safety Precautions
Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. WARNING This symbol indicates the possibility of death or serious injury.
Page 4 Safety Precautions Do not modify or extend the Do not install, remove, or re- Be cautious when unpacking power cable. install the unit by yourself and installing the product. (customer). • There is risk of fire or electric shock. • There is risk of fire, electric shock, •...
Page 5 Safety Precautions Do not store or use flammable gas or com- If strange sounds, or smell or smoke comes bustibles near the product. from product. Turn the breaker off or discon- nect the power supply cable. • There is risk of fire or failure of product. •...
Page 6 Safety Precautions CAUTION Installation check for gas (refrigerant) Install the drain hose to Keep level even when leakage after installation or ensure that water is drained installing the product. repair of product. away properly. • Low refrigerant levels may cause fail- •...
Page 7: Details Of Lg Model Name
Details of LG Model Name Details of LG Model Name Outdoor Unit A 3 U H 2 1 6 F A 0 Development Sequence Function A: Basic Multi Type F: Free joint multi Electric Standard (Volts / Freq. / Phase) 6: 220-240V~ / 50Hz / 1Ø...
Page 8: Product Specifications
Product Specifications Product Specifications 1. Outdoor_Heat Pump A2UH146FA0 A2UH186FA0 A3UH216FA0 A4UH306FA0 Model kcal/hr 2369~3629 1764~4536 2016~5292 2268~7560 2755~4220 2051~5275 2345~6154 2638~8792 Cooling Capacity Btu/hr 9400~14400 7000~18000 8000~21000 9000~30000 kcal/hr 2520~3679 2268~4990 2268~5292 2520~8316 Heating Capacity 2931~4279 2638~5803 2638~6154 2931~9671 Btu/hr 10000~14600 9000~19800 9000~21000...
Page 9: Service Manual
Product Specifications 2. Outdoor_Cooling Only Model A2UC146FA0 A2UC186FA0 A3UC216FA0 A4UC306FA0 kcal/hr 2369~3629 1764~4536 2016~5292 2268~7560 Cooling Capacity 2755~4220 2051~5275 2345~6154 2638~8792 Btu/hr 9400~14400 7000~18000 8000~21000 9000~30000 Input Cooling 1300~1500 780~1900 880~2100 1100~3250 Running Current Cooling 6.0~7.0 3.5~8.5 4.0~9.4 4.8~15 Power Supply Ø,V,Hz...
Page 10 Product Specifications 3. Indoor_Heat Pump Art Cool Wall Mounted Indoor Unit Type AMNH096LQL0 AMNH246LTL0 Model AMNH076LQL0 AMNH126LRL0 AMNH186LTL0 AMNH096AP*1 AMNH126AP*1 AMNH096LQA0 AMNH246LTA0 kcal/hr 1764 2267 2772 4536 5796 2267 2772 Nominal Cooling Capacity 2051 2638 3224 5275 6741 2638 3224 Btu/hr 7000 9000...
Page 11: Combination Table
Combination Table Combination Table 1. A2UH146FA0 Cooling Capacity Indoor Unit Combination Input Current Operation Index(k Btu/h) Unit-A Unit-B Unit-C Unit-D Total (Btu/h.w) (Btu/hr) (Btu/hr) (Btu/hr) (Btu/hr) (Btu/hr) Total 1 UNIT 9400 9400 1350 2 UNIT 7200 7200 14400 1450 Heating Capacity Indoor Unit Combination Input...
Page 12 Combination Table 3. A3UH216FA0 Cooling Capacity Indoor Unit Combination Input Current Operation Index(k Btu/h) Unit-A Unit-B Unit-C Unit-D Total (Btu/h.w) (Btu/hr) (Btu/hr) (Btu/hr) (Btu/hr) (Btu/hr) Total 8000 8000 9500 9500 10.6 1 UNIT 12(Art) 11000 11000 1150 12000 12000 1150 10.4 8400 8400...
Page 13 Combination Table 4. A4UH306FA0 Combination (Indoor Unit) Cooling mode Total Total Power Unit-A Unit-B Unit-C Unit-D Current(A) (Btu/h) (Btu/h) Consumtion(W) 9000 9000 1100 10000 10000 1130 1 Unit 12000 12000 1180 18000 18000 1900 23000 23000 3000 13.5 8000 8000 16000 1850 7500...
Page 14 Combination Table Combination (Indoor Unit) Heating mode Total Total Power Unit-A Unit-B Unit-C Unit-D Current(A) (Btu/h) (Btu/h) Consumtion(W) 10000 10000 1350 11000 11000 1470 1 Unit 12000 12000 1310 18000 18000 2050 26400 26400 3600 16.5 8800 8800 17600 1950 8200 10300 18500...
Page 15 Combination Table 5. A2UC146FA0 Cooling Capacity Indoor Unit Combination Input Current Operation Index(k Btu/h) Unit-A Unit-B Unit-C Unit-D Total (Btu/h.w) (Btu/hr) (Btu/hr) (Btu/hr) (Btu/hr) (Btu/hr) Total 1 UNIT 10000 10000 1500 2 UNIT 7300 7300 14600 1300 11.2 6. A2UC186FA0...
Page 16 Combination Table 8. A4UC306FA0 Cooling Capacity Indoor Unit Combination Input Current Operation Index(k Btu/h) Unit-A Unit-B Unit-C Unit-D Total (Btu/h.w) (Btu/hr) (Btu/hr) (Btu/hr) (Btu/hr) (Btu/hr) Total 9000 9000 1100 10000 10000 1130 1 UNIT 12000 12000 1180 10.2 18000 18000 1900 23000 23000...
Page 17: Dimensions
Dimensions Dimensions 1. Indoor Unit • Model: SQ/SR/ST chassis Installation plate Capacity SQ Ch. 7K/9K SR Ch. ST Ch. 18K/24K 1080 • Model: SP 1 chassis Hanger Hole Fix Hole Pipe Hole Capacity SP1 Ch. 9K/12K Service Manual 17...
Page 18 Dimensions 2. Outdoor Unit 2-1 A2UC146FA0, A2UH146FA0 Gas side 3-way valve Liquid side 2-way valve MODEL A2UC146FA0, A2UH146FA0 543.6 11.4 72.5 74.5 18 Free Joint Multi Air Conditioner...
Page 19 Dimensions 2-2. A2UC186FA0, A2UH186FA0 Gas side 3-Way valve Liquid side 2-Way valve MODEL A2UC186FA0, A2UH186FA0 64.5 Service Manual 19...
Page 20 Dimensions 2-3 A3UC216FA0, A3UH216FA0 Gas side 3-way valve Liquid side 2-way valve MODEL A3UC216FA0, A3UH216FA0 64.5 20 Free Joint Multi Air Conditioner...
Page 21 Dimensions 2-4 A4UC306FA0, A4UH306FA0 Gas side 3-way valve Liquid side 2-way valve MODEL A4UC306FA0, A4UH306FA0 1038 1035 64.5 Service Manual 21...
Page 22: Refrigeration Cycle Diagram
Refrigeration Cycle Diagram Refrigeration Cycle Diagram 1. A2UH146FA0 Indoor Side Outdoor Side 4- WAY Valve COMP 2. A2UC146FA0 Indoor Side Outdoor Side COMP Capillary Solenoid Valve L.E.V 3-Way Valve 2-Way Valve 22 Free Joint Multi Air Conditioner...
Page 23 Refrigeration Cycle Diagram 3. A2UH186FA0 Indoor Side Outdoor Side 4- WAYValve COMP A COMP B 4. A2UC186FA0 Indoor Side Outdoor Side COMP A COMP B Capillary Solenoid Valve L.E.V 3-Way Valve 2-Way Valve Service Manual 23...
Page 24 Refrigeration Cycle Diagram 5. A3UH216FA0 Indoor Side Outdoor Side 4- WAY Valve COMP A COMP B 6. A3UC216FA0 Indoor Side Outdoor Side COMP A COMP B Capillary Solenoid Valve L.E.V 3-Way Valve 2-Way Valve 24 Free Joint Multi Air Conditioner...
Page 25 Refrigeration Cycle Diagram 7. A4UH306FA0 Indoor Side Outdoor Side 4- WAY Valve COMP A COMP B 8. A4UC306FA0 Indoor Side Outdoor Side COMP A COMP B Capillary Solenoid Valve L.E.V 3-Way Valve 2-Way Valve Service Manual 25...
Page 26: Wiring Diagram
Wiring Diagram Wiring Diagram Indoor Unit 1. AMNH076LQL0, AMNH096LQL0, AMNH126LRL0, AMNH186LTL0, AMNH246LTL0, AMNC076LQL0, AMNC096LQL0, AMNC126LRL0, AMNC186LTL0, AMNC246LTL0, AMNH096LQA0, AMNH246LTA0 AC PCB ASM DC PCB ASM THERMISTOR(OUT-PIPE) THERMISTOR(IN-PIPE) THERMISTOR(ROOM) FUSE 250V 2A 3854A20135W 2. AMNH096APB1, AMNH096APM1, AMNH096APD1, AMNH126APB1, AMNH126APM1, AMNH126APD1, AMNC096APB1, AMNC096APM1, AMNC096APD1, AMNC126APB1, AMNC126APM1, AMNC126APD1 AC PWB ASM...
Page 27 Wiring Diagram Outdoor Unit 1. A2UC146FA0 2. A2UH146FA0 OUTDOOR WIRING DIAGRAM OUTDOOR WIRING DIAGRAM 1(L) 1(L) MAIN MAIN POWER POWER 2(N) MAIN PCB ASSY 2(N) MAIN PCB ASSY 1(L) 1(L) T/B1 T/B1 2(N) 2(N) A-UNIT A-UNIT 3(A) 3(A) 3(B) 3(B)
Page 28 Wiring Diagram 5. A3UC216FA0 6. A3UH216FA0 7. A4UC306FA0 8. A4UH306FA0 28 Free Joint Multi Air Conditioner...
Page 29: Electronic Control Device
Electronic Control Device Electronic Control Device Indoor Unit AMNC076LQL0, AMNC096LQL0, AMNC126LRL0, AMNC186LTL0, AMNC246LTL0, AMNH076LQL0, AMNH096LQL0, AMNH126LRL0, AMNH186LTL0, AMNH246LTL0, AMNH096LQA0, AMNH246LQA0 • MAIN P.C.B DC ASM • MAIN P.C.B AC ASM Service Manual 29...
Page 30 Electronic Control Device AMNH096APB1, AMNH096APM1, AMNH096APD1, AMNH126APB1, AMNH126APM1, AMNH126APD1, AMNC096APB1, AMNC096APM1, AMNC096APD1, AMNC126APB1, AMNC126APM1, AMNC126APD1 • MAIN P.C.B DC ASM CN_LR1(WH) CN_UD(BL) CN_HVB(BL) CN_D2 CN_D1 R01E C08V R02V CN_ACDC2 R03V R02E Q03E IC01M C07V CN_LR2(WH) CN_TH2 CN_CC Q01D CN_ACDC2 IC02M CN_D1 CN_D2 CN_UD...
Page 31 Electronic Control Device Outdoor Unit A2UC146FA0, A2UH146FA0, A2UC186FA0, A2UH186FA0, A3UC216FA0, A3UH216FA0, A4UC306FA0, A4UH306FA0 • MAIN P.C.B ASM FUSE NF01J AC_L 4WAY CN_FAN1 CN_FAN2 CN_SV RY_COMP1 C01J C02J D01D CN_POWER RY_FAN_1H RY_FAN_1L RY_FAN_2H RY_FAN_2L RY_HOT RY_LIQ RY_SV RY_4WAY AC_N NTC01D C01D...
Page 32: Schematic Diagram
Schematic Diagram Schematic Diagram Indoor Unit 1-1. SQ/SR/ST Chassis 32 Free Joint Multi Air Conditioner...
Page 33 Schematic Diagram 1-2. SP 1 Chassis Service Manual 33...
Page 34 Schematic Diagram Outdoor Unit • A2UC146FA0, A2UC186FA0, A3UC216FA0, A4UC306FA0, A2UH146FA0, A2UH186FA0, A3UH216FA0, A4UH306FA0 48 VASS 26 VSS 20 TEST 27 P30 RESET 29 P32 30 P33 31 P34 32 P35 33 P36 50 P60 51 P61 52 P62 55 P65...
Page 35: Functions
Functions Functions Indoor Unit Operation ON/OFF by Remote controller Sensing the Room Temperature • Room temperature sensor. (THERMISTOR) Room temperature control • Maintains the room temperature in accordance with the Setting Temp. Starting Current Control • Indoor fan is delayed for 5 sec at the starting. Time Delay Safety Control •...
Page 36: Remote Controller
Functions Remote Controller Operation ON/OFF Operation Mode Selection Cooling Operation Mode.( Auto Operation Mode.( (Cooling (Heating Healthy Dehumidification Operation Mode.( Heating Operation Mode.( model only) model only) Fan Speed Selection (Low) (Med) (High) (CHAOS) Room, Temperature Display : (High: 39°C LOW : 11°C) Temperature Setting Down to 18°C...
Page 37 Functions Signal Receptor Receives the signals from the remote controller.(Signal receiving sound: two short beeps or one long beep.) Operation Indication Lamps On/Off : Lights up during the system operation. Sleep Mode : Lights up during Sleep Mode Auto operation. Timer : Lights up during Timer operation.
Page 38 Functions Remote Control Operation The Remote Controller transmits the signals to the system. START/STOP BUTTON Operation starts when this button is pressed and stops when the button is pressed again. OPERATION MODE SELECTION BUTTON Used to select the operation mode. (Cooling Only) Signal transmitter (Heat Pump)
Page 39: Operation Details
Operation Details Operation Details Main Unit Function 1) C/O Model Operation Indicator • On while in appliance operation, off while in appliance pause • Flashing while in disconnection or short in Thermistor (3 sec off / 0.5 sec on) Sleep Timer Indicator •...
Page 40 Operation Details • While in compressor off, the indoor fan repeats low airflow speed and pause. • While the intake air temp is between compressor on temp. and compressor off temp., 10-min dehumidifica- tion operation and 4-min compressor off repeat. Compressor ON Temp.
Page 41 Operation Details Fuzzy Operation (C/O Model) • According to the temperature set by Fuzzy rule, when the intake air temp is 0.5°C or more below the setting temp, the compressor is turned off. When 0.5°C or more above the setting temp, the compressor is turned on. Compressor ON Temp Setting Temp + 0.5°C Compressor OFF Temp...
Page 42 Operation Details 2) Fuzzy Operation for Dehumidification • According to the setting temperature selected by Fuzzy rule, when the intake air temp is 0.5°C or more below the setting temp, the compressor is turned off. When 0.5°C or more above the setting temp, the compressor is turned on.
Page 43: Sleep Timer Operation
Operation Details Off-Timer Operation • When the set time is reached after the time is input by the remote control, the appliance stops operating. • The timer LED is on when the off-timer is input. It is off when the time set by the timer is reached. •...
Page 44: Forced Operation
Operation Details Jet Cool Mode Operation (C/O Model) • If the Jet Cool key is input at any operation mode while in appliance operation, the Jet Cool mode operates. • In the Jet Cool mode, the indoor fan is operated at super-high speed for 30 min at cooling mode operation. •...
Page 45 Operation Details Remote Control Operation Mode • When the remote control is selected by the slide switch on the main unit, the appliance operates according to the input by the remote control. Protection of the evaporator pipe from frosting • If the indoor pipe temp is below 0°C in 7 min. after the compressor operates without any pause while in cool- ing cycle operation mode, the compressor and the outdoor fan are turned off in order to protect the indoor evaporator pipe from frosting.
Page 46: 2-Way, 3-Way Valve
2-way, 3-way Valve 2-way, 3-way Valve 2-way Valve (Liquid Side) 3-way Valve (Gas Side) Valve cap Hexagonal wrench Open position (4mm) Closed position Flare nut Flare nut Open position Closed position piping piping Service Service connection connection port cap port To outdoor unit To outdoor unit Works...
Page 47 2-way, 3-way Valve (1) Pumping down Liquid side Indoor unit Outdoor unit Close 2-Way valve Gas side Open 3-Way valve Liquid side Indoor unit Close 2-Way valve Gas side Open 3-Way valve manifold gauge Low- handle Hi- handle (CLOSE) (CLOSE) Procedure •...
Page 48 2-way, 3-way Valve (2) Evacuation (All amount of refrigerant leaked) Liquid side Indoor unit Outdoor unit Open 2-Way valve Gas side Open 3-Way valve Liquid side Indoor unit Open 2-Way valve Gas side Open 3-Way valve manifold gauge Vacuum pump Low- handle Hi- handle...
Page 49 2-way, 3-way Valve (3) Gas Charging (After Evacuation) Liquid side Indoor unit Outdoor unit Open 2-Way valve Gas side Open 3-Way valve Liquid side Indoor unit Open 2-Way valve Gas side Open 3-Way valve manifold gauge Charging cylinder Low-handle Hi- handle (OPEN) Check valve (OPEN)
Page 50: Cycle Troubleshooting Guide
Cycle Troubleshooting Guide Cycle Troubleshooting Guide Trouble analysis 1. Check temperature difference between intake and discharge air, and operating current. Temp. difference : approx. 0°C All amount of refrigerant leaked out. Current : less than 80% of Check refrigeration cycle. rated current Temp.
Page 51 Cycle Troubleshooting Guide Comp basic step. Free joint outdoor unit has two compressor (TPS: Twin power system) Step Step 1 Step 2 Step 3 Outdoor Operation Mode COMP 40%(B)only COMP 60%(A)only COMP 100%(A+B) together 18k(Max. 19k) Cooling Qs<=7k Qs<=12k 12k<Qs Heating Qs<=9k 12k<Qs...
Page 52: Electronic Parts Troubleshooting Guide
Electronic Parts Troubleshooting Guide Electronic Parts Troubleshooting Guide 1. The Outdoor Unit does not operate at all Does the Operating LED of indoor unit blink Refer to the self-diagnosis function. when Operation’s ON? Is the Connection between CN-Power of indoor Check the connecting state of connector unit and terminal block? Indoor...
Page 53 Electronic Parts Troubleshooting Guide 2. The product is not operate with the remote controller. Turn on Main Power While the compressor has been stopped, the compressor does not operate owing to the delaying function for 3 minutes after stopped. When the compressor stopped Indoor Fan is driven by a low speed. At this point the wind speed is not controlled by the remote controller.
Page 54 Electronic Parts Troubleshooting Guide 3. When cooling does not operate Turn on Main Power Operate "Cooling Mode( )" by setting the desired temperature of the remote controller is less than one of the indoor temperature by 1°C at least. When in Air Circulation Mode, Compressor/Outdoor Fan is stopped. Check the sensor for indoor temperature is attached as close as to be effected by the temperature of Heat Exchanger(EVA).
Page 55 Electronic Parts Troubleshooting Guide 4. When Heating does not operate Turn ON Main Power Operate “Heating Mode( )” by setting the desired temperature of the remote control is higher than one of the indoor temperature by 2°C at least. In heating Mode, the indoor fan operates in case the pipe temperature is higher than 28°C.
Page 56 Electronic Parts Troubleshooting Guide 5. When indoor Fan does not operate Turn off Main power Check the connection of CN-FAN or CN-MOTOR Check the Fan Motor Check the Fuse(AC250V/T2A) Check the related circuit of indoor Fan Motor. • The pin of Micom, and the part for driving SSR •...
Page 57 Electronic Parts Troubleshooting Guide 6. When Vertical Louver does not operate • Confirm that the Vertical Louver is normally geared with the shaft of Stepping Motor. • If the regular torque is detected when rotating the Vertical Louver with hands Normal •...
Page 58: Disassembly Of The Parts (Indoor Unit)
Disassembly of the parts (Indoor unit) Disassembly of the parts (Indoor unit) 2. To remove the Control Box. 1. SQ/SR/ST Chassis • Remove securing screws. • Pull the control box out from the chassis carefully. Warning : Disconnect the unit from power supply before making any checks.
Page 59 Disassembly of the parts (Indoor unit) • Unhook the tab on the right inside of the chassis 2. SP1 Chassis at the same time, slightly pull the evaporator toward you until the tab is clear of the slot. Warning : Disconnect the unit from power supply before making any checks.
Page 60 Disassembly of the parts (Indoor unit) 3. To remove the Evaporator. 5. To remove the Motor. - Remove 4 screws securing the evaporator. - Remove the securing bolt from the motor shaft. - Pull the evaporator out from the chassis carefully. - Pull the fan out from the motor shaft.
Page 61: Exploded View & Replacement Parts List
Exploded View & Replacement Parts List Exploded View & Replacement Parts List 1. Indoor Unit SQ/SR Chassis 135316 152313 135314 152302 733010 131410 359011 342800 159830 354210 135316 352115 352116 159901 268712 346810 35211B 263230-2 135516 263230-1 352150 135311 146811 268716 266090 267110...
Page 62 Exploded View & Replacement Parts List PART No. LOCATION DESCRIPTION CODE AMNH076LQL0 AMNC076LQL0 AMNH096LQL0 AMNH096LQA0 AMNC096LQL0 AMNH126LRL0 AMNC126LRL0 131410 CHASSIS ASSEMBLY 3141A20006A 3141A20006A 3141A20006A 3141A20006A 3141A20006A 3141A20005A 3141A20005A 135311 GRILLE ASSEMBLY,DISCHARGE(INDOOR) 3531A10127A 3531A10127A 3531A10127A 3531A10127A 3531A10127A 3531A10230A 3531A10230A 135314 GRILLE ASSEMBLY,INLET SUB 3531A20100B 3531A20100A 3531A20100B 3531A20100B 3531A20100A 3531A10117B 3531A10117C R 135316 GRILLE ASSEMBLY,FRONT(INDOOR) 3531A20187M 3531A20187Q 3531A20187M 3531A20187E 3531A20187Q 3531A10208N 3531A10208Q R 135516 COVER ASSEMBLY,MOTOR...
Page 63 Exploded View & Replacement Parts List ST Chassis 135316 267110 152313 135314 152302 733010 131410 359011 342800 159830 352111 135311 135316 159901-1 352115 159901-2 352116 268712 346810 35211B 263230-2 135516 263230-1 352150 268715 146811 249951 266090 268716 W0CZZ Service Manual 63...
Page 64 Exploded View & Replacement Parts List PART No. LOCATION DESCRIPTION CODE AMNH186LTL0 AMNC186LTL0 AMNH246LTL0 AMNH246LTA0 AMNC246LTL0 131410 CHASSIS ASSEMBLY 3141A10002A 3141A10002A 3141A10002A 3141A10002A 3141A10002A 135311 GRILLE ASSEMBLY,DISCHARGE(INDOOR) 3531A10116A 3531A10116A 3531A10116A 3531A10116A 3531A10116A 135314 GRILLE ASSEMBLY,INLET SUB 3531A20107W 3531A20107V 3531A20107W 3531A20107V 135316 GRILLE ASSEMBLY,FRONT(INDOOR) 3531A20207E 3531A20207F 3531A20207E 3531A24010F 3531A20207F...
Page 65 Exploded View & Replacement Parts List SP1 Chassis Service Manual 65...
Page 66 Exploded View & Replacement Parts List PART No. LOCATION DESCRIPTION CODE AMNH096AP*1 AMNC096AP*1 AMNH126AP*1 AMNC126AP*1 131410 CHASSIS ASSEMBLY 3141A20004N 3141A20004N 3141A20004N 3141A20004N 135500-1 COVER 3550A20123A 3550A20123A 3550A20123A 3550A20123A 135500-2 COVER 3550A20124A 3550A20124A 3550A20124A 3550A20124A 135500-3 COVER 3550A20060A 3550A20060A 3550A20060A 3550A20060A 135311-1 GRILLE ASSEMBLY,DISCHARGE(INDOOR) 3531A20069G 3531A20069G...
Page 67 Exploded View & Replacement Parts List 2. Outdoor Unit A2UH146FA0/A2UC146FA0 Service Manual 67...
Page 68 Exploded View & Replacement Parts List PART No. LOCATION DESCRIPTION CODE A2UH146FA0 A2UC146FA0 263230 THERMISTOR ASSEMBLY 6323A20023G 430410 BASE ASSY,OUTDOOR 2H02079T 2H02079T 435301 GRILLE,DISCHARGE 1H00840C 1H00840C 437211 PANEL ASSEMBLY,FRONT(OUTDOOR) 2H02674S 2H02674S 435512 COVER ASSY,TOP(OUTDOOR) 3H03465D 3H03465D 437212 PANEL ASSY,REAR 1H00697N...
Page 69 Exploded View & Replacement Parts List A2UH186FA0 Service Manual 69...
Page 70 Exploded View & Replacement Parts List A2UC186FA0 70 Free Joint Multi Air Conditioner...
Page 71 Exploded View & Replacement Parts List PART No. LOCATION DESCRIPTION CODE A2UH186FA0 A2UC186FA0 435300 GRILLE,REAR 1A00207B 137213-1 PANEL ASSEMBLY,SIDE 1A00201D 137213-2 PANEL ASSY,SIDE 3A02284M 263230 THERMISTOR ASSEMBLY 6323A20023A 6323A20023B 430410 BASE ASSEMBLY,OUTDOOR 3041AP2741H 3041AP2741H 435511 COVER ASSEMBLY,CONTROL(OUTDOOR) 3551A20076H 3551A20076K 437212 PANEL ASSY,REAR 3720AP0003F 435301...
Page 72 Exploded View & Replacement Parts List A3UC216FA0 72 Free Joint Multi Air Conditioner...
Page 73 Exploded View & Replacement Parts List A3UH216FA0 Service Manual 73...
Page 74 Exploded View & Replacement Parts List PART No. LOCATION DESCRIPTION CODE A3UH216FA0 A3UC216FA0 135314 GRILLE,REAR 1A00207B 137213-1 PANEL ASSEMBLY,SIDE 1A00201D 137213-2 PANEL ASSY,SIDE 3A02284M 263230 THERMISTOR ASSEMBLY 6323A20023A 6323A20023B 430410 BASE ASSEMBLY,OUTDOOR 3041AP2741H 3041AP2741H 435301 GRILL, DISCHARGE 3530A20007B 435511 COVER ASSEMBLY,CONTROL(OUTDOOR) 3551A30088D 3551A30061G 435512...
Page 75 Exploded View & Replacement Parts List A4UH306FA0 Service Manual 75...
Page 76 Exploded View & Replacement Parts List A4UC306FA0 76 Free Joint Multi Air Conditioner...
Page 77 Exploded View & Replacement Parts List PART No. LOCATION DESCRIPTION CODE A4UH306FA0 A4UC306FA0 135301 GRILLE,DISCHARGE 3530A20006G 3530A20006G 135314 GRILLE,REAR 3530A10176B 3530A10176B 263230 THERMISTOR ASSEMBLY 6323A20023E 6323A20023F 430410 BASE ASSY, OUTDOOR 3041AP7177D 3041AP7177D 435511 COVER ASSEMBLY,CONTROL(OUTDOOR) 3551A30088F 3551A30088G 435512 COVER ASSEMBLY,TOP(OUTDOOR) 3H03266H 3H03266H 437211...
Page 78 January, 2005 Printed in Korea P/No.: 3828A20097X...

LG A2UC146FA0 Service Manual

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