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LG LSN090CE Service Manual
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LG LSN090CE Service Manual

Lg room air conditioner service manual
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LG

Room Air Conditioner

SERVICE MANUAL

MODELS: LSN090CE
LSN120CE
LSN180CE
LSN240CE
LSN090HE
LSN120HE
LSN180HE
LSN240HE
LSU090CE
LSU120CE
LSU180CE
LSU240CE
LSU090HE
LSU120HE
LSU180HE
LSU240HE
CAUTION
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.
website http://www.lgservice.com
LG

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Summary of Contents for LG LSN090CE

  • Page 1: Room Air Conditioner

    Room Air Conditioner SERVICE MANUAL MODELS: LSN090CE LSN120CE LSN180CE LSN240CE LSN090HE LSN120HE LSN180HE LSN240HE website http://www.lgservice.com LSU090CE LSU120CE LSU180CE LSU240CE LSU090HE LSU120HE LSU180HE LSU240HE CAUTION • BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. • ONLY FOR AUTHORIZED SERVICE PERSONNEL.

  • Page 2: Table Of Contents

    Refrigeration Cycle Diagram ...44 2-way, 3-way Valve ...45 Cycle Parts...51 Electronic Parts ...52 Schematic Diagram...62 Electric Control Device ...62 Wiring Diagram...65 Components Location ...67 Product Specifications ...72 Exploded View...74 Replacement Parts List ...78 2 Room Air Conditioner Air Conditioner Service Manual...

  • Page 3: 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. This symbol indicates the possibility of death or serious injury. This symbol indicates the possibility of injury or damage to properties only.
  • Page 4 Operation Use a dedicated outlet for this appliance. • There is risk of fire or electric shock. 4 Room Air Conditioner For installation, always contact the dealer or an Authorized Service Center. • There is risk of fire, electric shock, explosion, or injury.
  • Page 5 • There is risk of property damage, failure of product, or electric shock. Do not let the air conditioner run for a long time when the humidi- ty is very high and a door or a window is left open.
  • Page 6 • There is risk of electric shock. Do not insert hands or other objects through the air inlet or outlet while the air conditioner is plugged in. • There are sharp and moving parts that could cause personal injury.
  • Page 7 Always insert the filter securely. Clean the filter every two weeks or more often if necessary. • A dirty filter reduces the efficien- cy of the air conditioner and Service Manual 7...
  • Page 8 Disuse Do not recharge or disassemble the batteries. Do not dispose of batteries in a fire. • They may burn or explode. 8 Room Air Conditioner Use a firm stool or ladder when cleaning or maintaining the air conditioner. • Be careful and avoid personal injury.

  • Page 9: Dimensions

    Dimensions Symbols Used in this Manual This symbol alerts you to the risk of electric shock. This symbol alerts you to hazards that could cause harm to the air conditioner. NOTICE This symbol indicates special notes. Indoor Unit Model Dimension...
  • Page 10 Model Dimension mm(inch) mm(inch) mm(inch) 10 Room Air Conditioner 18 Btu Series 1090(42.9) 300(11.8) 178(7.0) Installation plate 24 Btu Series 1090(42.9) 300(11.8) 178(7.0)

  • Page 11: Outdoor Unit

    Outdoor Unit 1. 9k, 12k MODEL unit mm(inch) mm(inch) mm(inch) mm(inch) mm(inch) mm(inch) mm(inch) mm(inch) 770(30.3) 540(21.3) 245(9.6) 287(11.3) 518(20.4) 100(3.9) Gas side (3-way valve) Liquid side (2-way valve) 9k, 12k 64(2.5) 10(0.4) Service Manual 11...
  • Page 12 2. 18k, 24k MODEL mm(inch) mm(inch) mm(inch) mm(inch) mm(inch) mm(inch) mm(inch) mm(inch) mm(inch) mm(inch) mm(inch) mm(inch) mm(inch) 12 Room Air Conditioner 18k, 24k 870(34.3) 655(25.8) 320(12.6) 370(14.6) 25(1.0) 630(24.8) 25(1.0) 546(21.5) 162(6.4) 162(6.4) 54(2.1) 74.5(2.9) 79(3.1)
  • Page 13 Introduction Symbols Used In This Manual This symbol alerts you to the risk of electric shock. This symbol alerts you to hazards that may cause harm to the air condi- tioner. NOTICE This symbol indicates special notes. Features Air Inlet Air Filter Air Intake Vents...

  • Page 14: Installation

    Read carefully, and then follow step by step. Installation Parts Installation plate Type "B" screw Installation Tools Figure Measuring Tape, Knife 14 Room Air Conditioner Type "A" screw and plastic anchor Name Figure Screw driver Electric Drill Hole Core Drill...
  • Page 15 Installation Map NOTICE Installation parts you should purchase. Air Discarge Vertical Air deflector Operation Indication Lamps/ Air Inlet Vents Air Outlet Vents NOTE: refrigerant line wall thickness must be at least 0.8 mm (0.031 inch) Signal Receptor Forced Operation Button Saddle Base Plate Installation Plate...
  • Page 16 R-22 -40.8 Do not handle the pipe by yourself (customer) High-pressure refrigerant may cause personal injury. - manifold gauge ,charging and any piping tools must be dedicated to R-410A systems. 16 Room Air Conditioner 100% Vapor pressure(25°C)(kg f/cnf) 15.9 100% Vapor density(25°C)(kg/m...

  • Page 17: Selection Of The Best Location

    70cm(27.6in) of space. 3. Do not place animals and plants in the path of the warm air. 4. Take the air conditioner weight into account and select a place where noise and vibration are minimum. Rooftop Installations If the outdoor unit is installed on a roof structure, be sure to level the unit.

  • Page 18: Piping Length And Elevation

    1/4" Outdoor unit Indoor unit • Capacity is based on standard length and maximum allowance length is on the basis of reliability. • Oil trap should be installed every 5~7meters (16.4~23.0ft). 18 Room Air Conditioner Standard Max. Length Elevation m(ft) m(ft) 7.5(25)

  • Page 19: How To Fix Installation Plate

    How To Mount Installation Plate The wall you select should be strong and solid enough to prevent vibration 1. Mount the installation plate on the wall with type "A" screws. If mounting the unit on a concrete wall, use anchor bolts. •...

  • Page 20: Flaring Work And Connection Of Piping

    • Carry out flaring work using flaring tool as shown below. Outside diameter inch Ø6.35 0~0.5 Ø9.52 0~0.5 Ø12.7 0~0.5 Ø15.88 0~1.0 20 Room Air Conditioner inch 0~0.020 0~0.020 0~0.020 0~0.039 Copper Slanted Uneven Rough pipe Pipe Reamer Point down...

  • Page 21: Connection Of Piping Indoor

    Connecting The Piping Indoor 1. Prepare the indoor unit's piping and drain hose for installation through the wall. 2. Remove the plastic tubing retainer(see the illus- tration by) and pull the tubing and drain hose away from chassis. 3. Replace only the plastic tubing holder 1, not the holder 2 in the original position.
  • Page 22 Drain pipe Indoor unit drain hose Vinyl tape(narrow) Adhesive 22 Room Air Conditioner Wrap the insulation material around the connecting portion. • Overlap the connection pipe insulation material and the indoor unit pipe insulation material. Bind them together with vinyl tape so that there is no gap.
  • Page 23 Insert the connecting cable into the indoor unit. • Don't connect the cable to the indoor unit. • Make a small loop with the cable for easy con- nection later. Tape the drain hose and the connecting cable. • Connecting cable Connecting pipe Drain hose...
  • Page 24 Drain hose 24 Room Air Conditioner Reroute the pipings and the drain hose across the back of the chassis. Indoor unit piping...
  • Page 25 Installation Information. For left piping. Follow the instruction below. Correct case • Press on the upper side of clamp and unfold the tubing to downward slowly. Incorrect case • Following bending type from right to left may cause damage to the tubing. Service Manual 25...

  • Page 26: Connection Of The Pipes-Outdoor

    Outside diameter inch Ø6.35 Ø9.52 Ø12.7 Ø15.88 Ø19.05 26 Room Air Conditioner Outdoor unit Torque Suction Line piping (Bigger diameter) Evaporator Line piping (Smaller diameter) Torque wrench...

  • Page 27: Connecting The Cable Between Indoor Unit And Outdoor Unit

    Connection Of The Cable 1. Remove the cover control from the unit by loosening the 3 screws. 2. Dismount caps on the conduit panel. 3. Temporarily mount the conduit tubes on the conduit panel. 4. Properly connect both the power sup- ply and low voltage lines to the corre- sponding terminals on the terminal block.
  • Page 28 After the confirmation of the above conditions, prepare the wiring as follows: 1) Never fail to have an individual power circuit specifically for the air conditioner. As for the method of wiring, be guided by the circuit diagram posted on the inside of control cover.

  • Page 29: Checking The Drainage And Forming The Pipings

    Checking The Drainage • Pour a glass of water on the drain pan. • Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit. Connecting area Leakage checking Drain pan Leakage checking Drain piping...

  • Page 30: Form The Piping

    Trap is required to prevent water from entering into electrical parts. 30 Room Air Conditioner In cases where the Outdoor unit is installed above the Indoor unit perform the following. • Tape the piping and connecting cable from down to up.

  • Page 31: Air Purging

    Air Purging Air and moisture remaining in the refrigerant system have undesirable effects as indicated below. • Pressure in the system rises. • Operating current rises. • Cooling(or heating) efficiency drops. • Moisture in the refrigerant circuit may freeze and block capillary tubing. •...

  • Page 32: Finishing The Job

    • Replace the valve caps at both gas and liquid side service valves and fasten them tight. This completes air purging with a vacuum pump. The air conditioner is now ready to test run. 32 Room Air Conditioner Suction Line...
  • Page 33 Charging Each outdoor unit is factory charged (nameplate charge) for the evaporator as well as a 7.5m(25ft) line set. Any time a line set is used either shorter or longer then the nominal 7.5m(25ft) line set length the refrigerant charge has to be adjusted. Whether the line set is made shorter or longer you must adjust the charge based on how many ft of tubing are either added or removed based on 30g(0.32oz) of R-410A per meter(foot).

  • Page 34: Test Running

    The air conditioner is now ready for use. PUMP DOWN This is performed when the unit is to be relocated or the refrigerant circuit is serviced.

  • Page 35: Operation

    Operation Function of Controls • DISPLAY 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) Timer Indicator •...
  • Page 36 • When the indoor pipe temp is 42°C or above, defrost control is not carried out even if the condition is one of the defrost conditions above. • While in defrost control, the compressor is on and the indoor fan, the outdoor fan, and the 4 way valve are off. 36 Room Air Conditioner Setting Temp+0.5°C Setting Temp-0.5°C Setting Temp.
  • Page 37 Airflow Speed Selection • The airflow speed of the indoor fan is set to high, medium, low, or chaos (auto) by the input of the airflow speed selection key on the remote control. Sleep Timer Operation • When the sleep time is reached after <1,2,3,4,5,6,7,0(cancel) hr> is input by the remote control while in appliance operation, the operation of the appliance stops.
  • Page 38 • When the appliance-operation key is input by the remote control, the short "beep-beep-" sounds. • When the appliance-pause key is input by the remote control, the long "beep—" sounds. 38 Room Air Conditioner Heat pump Model Room Temp. 24°C(75.2°F) 21°C(69.8°F) Room Temp.

  • Page 39: Display Function

    Display Function 1. Heating Model Operation Indicator • Cooling, Soft Dry, Fan, Heating Deicer Indicator • Hot-start, Deice Self-diagnosis Function Error Error Display LED Code (Indoor body operation LED) (once) 3sec 2. Cooling Model • Cooling, Soft Dry, Fan • Indoor room temperature thermistor open/short •...

  • Page 40: Remote Control Operations

    Auto Operation or Auto Changeover Healthy Dehumidification Operation Heating Operation • Cooling Model( ), Heat Pump Model( 40 Room Air Conditioner 1. START/STOP BUTTON Operation starts when this button is pressed and stops when the button is pressed again. 2. OPERATION MODE SELECTION BUTTON Used to select the operation mode.

  • Page 41: Disassembly

    Disassembly Indoor Unit Disconnect the unit from power supply before mak- ing any checks. Be sure the power switch is set to “OFF”. To remove the Grille from the Chassis. • Set the up-and-down air discharge louver to open position (horizontally) by finger pressure. •...
  • Page 42 4. To remove the Evaporator. • Remove 3 screws securing the evaporator(at the left 2EA in the Eva Holder, at the right 1EA). • When repair, do not damage the Caution label. 42 Room Air Conditioner Screw...
  • Page 43 • Unhook the tab on the right inside of the chassis at the same time, slightly pull the evaporator toward you until the tab is clear of the slot. 5. To remove the Motor Cover • Remove 2 securing screw. •...

  • Page 44: Troubleshooting Guide

    (1) Cooling Only Models INDOOR UNIT HEAT EXCHANGE (EVAPORATOR) (2) Cooling & Heating Models INDOOR UNIT HEAT EXCHANGE (EVAPORATOR) 44 Room Air Conditioner OUTDOOR UNIT LIQUID SIDE CAPILLARY TUBE GAS SIDE OUTDOOR UNIT CHECK VALVE LIQUID SIDE (Heating Model only) 3-WAY VALVE...

  • Page 45: 2-Way, 3-Way Valve

    2-way, 3-way Valve Flare nut piping connection Works Shipping Air purging (Installation) Operation Pumping down (Transfering) Evacuation (Servicing) Gas charging (Servicing) Pressure check (Servicing) Gas releasing (Servicing) 2-way Valve (Liquid Side) Hexagonal wrench (4mm) Open position Closed position To outdoor unit Shaft position Closed (with valve cap)

  • Page 46: Pumping Down

    Gas side Closed 3-Way valve CLOSE (6) Operate the air conditioner at the cooling cycle and stop it when the gauge indi- cates 1kg/cm (7) Immediately set the 3-way valve to the closed position. – Do this quickly so that the gauge ends up...
  • Page 47 0 kg/cm – If there is no air in the refrigerant cycle (the pressure when the air conditioner is not running is higher than 1 kg/cm charge the refrigerant until the gauge indi- cates 0.5 to 1 kg/cm...
  • Page 48 (2) Evacuation for approximately one hour. – Confirm that the gauge needle has moved toward -76 cmHg (vacuum of 4 mmHg or less). 48 Room Air Conditioner Liquid side 3-Way valve Open Gas side...

  • Page 49: Gas Charging

    This unit is charged with R-410A. Pay attention not to charge R-22. Open Outdoor unit Open discharged. refrigerant while operating the air condi- tioner turn off the air conditioner before disconnecting the hose. port nut to a torque of 1.8 kg.m. Service Manual 49...
  • Page 50 Operating Suction Pressure (For R410A) (According to Indoor & Outdoor Temperature) P = 3 + 0.0123 x T Where, P 50 Room Air Conditioner (At operating the Unit for 10 minutes) Indoor Temp. (˚C) + 0.8 x T . g) : Suction Pressure(kg/cm Tout : Outdoor Temperature(˚C)

  • Page 51: Cycle Parts

    Cycle Parts Trouble analysis 1. Check temperature difference between intake and discharge air and operating current. Temp. difference : approx. °F(0°C) Current Temp. Difference Temp. difference : approx. 14°F(8°C) Current Operating Current Temp. difference : less than 14°F(8°C) Current Temp. difference : over 14°F(8°C) NOTICE Temperature difference between intake and discharge air depends on room air humidity.

  • Page 52: Electronic Parts

    • IC02D(7805) Output (Indoor unit) IC03D(7805) Output (Outdoor unit) • IC01A(KIA7036, Reset IC) OSC01B(4MHz) (Indoor/Outdoor unit) 52 Room Air Conditioner Turn off Main Power (After 20 seconds) Turn on Main Power Primarily, the operating condition of Micom is OK. Check each load(Indoor/Outdoor Fan Motor,...
  • Page 53 Electronic Parts (18k model) Product does not operate at all. (* Refer to Electronic Control Device drawing and Schematic diagram.) Does "beeping" sound is made from the Indoor Unit? Check the voltage of power(About AC 208V/AC 230V, 60Hz) • Main power's voltage •...

  • Page 54: The Product Is Not Operate With The Remote Controller

    Check the connecting circuit between the remote controller MICOM (No. ) - R17(2 ) - IR LED - Q1 - R16(2.2K ). 54 Room Air Conditioner Turn on Main Power Caused by other parts except the remote controller Check the contact of CN-DISP connector.
  • Page 55 Compressor/Outdoor Fan are unable to drive.(9k Model) Operate "Cooling Mode( remote controller is less than one of the indoor temperature by 2°F at least. When in Fan 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 56 IC01M, IC02M(No. 8) • Check the electrical wiring diagram of outdoor side. • Check the abnormal condition for the component of Compressor/Outdoor Fan Motor. 56 Room Air Conditioner Turn on Main Power )" by setting the desired temperature of the COMP ON...

  • Page 57: When Indoor Fan Does Not Operate

    When indoor Fan does not operate. Does the voltage of each terminals of CN-MOTOR CONNECTOR in Indoor unit corresponds to values in the Table of page 56 Does the voltage of terminal of CN-DC/DC CONNECTOR in Indoor unit corresponds to the values in the table of page 56 Do the voltage of terminal of Check the pattern and the CN-DC/DC CONNECTOR in...

  • Page 58: When Vertical Louver Does Not Operate

    - Between - Between - Between • Confirm the assembly conditions that are catching and interfering parts in the rotation radial of the Vertical Louver 58 Room Air Conditioner of MICOM of IC01M of IC01M of CN-UP/DOWN If there are no problems after above checks...

  • Page 59: When A Comunication Error Occurs

    When a comunication error occurs. • The operation indicator of Indoor unit blinks five times. • The red indicator of Outdoor unit blinks five times. Check the connecting wires between Indoor and Outdoor unit for the connecting error and the contacting condition. Check the installation condition of outdoor unit.
  • Page 60 Short between terminals CN-DISP CN-TH Short between terminals Short between terminals 60 Room Air Conditioner Condition • The same as the phenomenon of Outdoor Unit. • The indoor fan does not operate. Open • The operation indicator of Indoor unit blinks 8 times.
  • Page 61 OUTDOOR UNIT Connector Type Condition CN-POWER Connecting reversely RY-COMP terminal Connecting reversely CN-TRANS CN-FAN The connecting wire of CN- DC/DC, and Indoor and Outdoor Unit Connecting error Blue Connecting error Black Brown Connecting error Connecting error Connecting error Connecting error •...

  • Page 62: Schematic Diagram

    Schematic Diagram Schematic Diagram Electric Control Device Indoor 62 Room Air Conditioner...
  • Page 63 Schematic Diagram Outdoor (9k, 12k) Service Manual 63...
  • Page 64 Outdoor (18k, 24k) 64 Room Air Conditioner...

  • Page 65: Wiring Diagram

    Wiring Diagram Indoor Unit Models: 9k, 12k, 18k, 24k Service Manual 65...
  • Page 66 Schematic Diagram Outdoor Unit Models: 9k(C/O) Models: 12k(H/P), 12k(C/O, H/P) 66 Room Air Conditioner...
  • Page 67 Schematic Diagram Models: 18k(C/O) Models: 18k(H/P), 24k(C/O, H/P) Service Manual 67...

  • Page 68: Components Location

    Schematic Diagram Components Location Indoor MAIN P.W.B ASSEMBLY • TOP VIEW • BOTTOM VIEW 68 Room Air Conditioner...
  • Page 69 Schematic Diagram Outdoor(9k, 12k) • TOP VIEW • BOTTOM VIEW Service Manual 69...
  • Page 70 Schematic Diagram Outdoor(18k, 24k) • TOP VIEW • BOTTOM VIEW 70 Room Air Conditioner...
  • Page 71 Schematic Diagram DISPLAY ASSEMBLY – 6871A20681 CN-DISP1 PCB P/No : 6870A90240F PLASMA LED_M RECEIVER C01A SW_TACT PCB ASSEMBLY P/No : 6871A20681 – 6871A20680 Service Manual 71...

  • Page 72: Product Specifications

    Additional Drain Hose(outer Dia.) Dimensions Indoor (WxHxD) Outdoor Net Weight Indoor Outdoor * Design and specifications subject to change without prior notice for product improvement. 72 Room Air Conditioner Model Name LS090CE Ø, V, Hz 1, 115V, 60 BTU/h 9,000 G/min(cfm) 7.1(250) l/h(pts/hr) 1.2(2.6)
  • Page 73 Cooling & Heating Items Power Supply Cooling Capacity Heating Capacity Input Cooling Heating Running Current Cooling Heating COMP. Locked Cooling Rotor AMP. Heating S.E.E.R H.S.P.E Air Circulation Moisture Removal Noise Level Indoor, High (Sound Pressure, 1m) Outdoor, Max Features Temperature Control Air Deflection Steps, Fan/Cool/Heat Airflow Direction Control(up&down)

  • Page 74: Exploded View

    Exploded View Indoor Unit 135312 135311 354210 159901 268712 267110 74 Room Air Conditioner 152312 152302 342800 359011 35211B 146811 268714 249951 268713 131410 733010 346810 135516 263230...
  • Page 75 Exploded View Outdoor Unit: 9k, 12k Btu/h Seriess Service Manual 75...
  • Page 76 Exploded View Outdoor Unit: 18k(C/O) Seriess 76 Room Air Conditioner...
  • Page 77 Outdoor Unit: 18k(H/P), 24k Seriess 435512 435301 546810 559010 447910 430410 437210 554031 549610 W0CZZ-1 W0CZZ-2 552203-2 554160-1 552203-1 263230-1 137213-1 435300 552112 55211G 435511 263230-2 668711 552202 567502-1 554160-2 567502-2 550140 Service Manual 77 137213-2 649950 552116 561410 566000...

  • Page 78: Replacement Parts List

    PWB(PCB) ASSEMBLY, SUB 733010 PLATE ASSEMBLY, INSTALL NOTE) Please ensure GCSC since these parts may be changed depending upon the buyer's request. (GCSC WEBSITE http://biz.LGservice.com) 78 Room Air Conditioner PART No. LSN090CE LSN120CE LSN090HE 3141A20019F 3141A20034A 3141A20034A 3531A10307V 3531A10362H 3531A10362C...
  • Page 79 Parts List (Indoor) LOCATION DESCRIPTION 131410 CHASSIS ASSEMBLY 135311 GRILLE ASSEMBLY, DISCHARGE(INDOOR) 135312 GRILLE ASSEMBLY, FRONT(INDOOR) 135516 COVER ASSEMBLY, MOTOR 146811 MOTOR ASSEMBLY, STEP 152302 FILTER(MESH), A/C 152312 FILTER ASSEMBLY 159901 VANE, HORIZONTAL 249951 CONTROL BOX ASSEMBLY,INDOOR 263230 THERMISTOR ASSEMBLY 267110 REMOTE CONTROLLER ASSEMBLY 268712...
  • Page 80 CONTROL BOX ASSY, OUTDOOR 668711 PWB(PCB) ASSEMBLY, MAIN(OUTDOOR) W0CZZ CAPACITOR, DRAWING NOTE) Please ensure GCSC since these parts may be changed depending upon the buyer's request. (GCSC WEBSITE http://biz.LGservice.com) 80 Room Air Conditioner PART No. LSU090CE LSU120CE LSU090HE 6323A20002L 6323A20002L 6323A20002L...
  • Page 81 Parts List (Outdoor) LOCATION DESCRIPTION 263230-1 THERMISTOR ASSEMBLY 263230-2 THERMISTOR ASSEMBLY 430410 BASE ASSEMBLY,OUTDOOR 435301 GRILLE,DISCHARGE 435511 COVER ASSEMBLY,CONTROL(OUTDOOR) 435512 COVER ASSEMBLY,TOP(OUTDOOR) 437210 PANEL ASSEMBLY,FRONT(SUB) 437212 PANEL ASSEMBLY,REAR(OUTDOOR) 447910 BARRIER ASSEMBLY,OUTDOOR 55211G TUBE ASSEMBLY,CONDENSER(OUT) 552203-1 VALVE,SERVICE 552203-2 VALVE,SERVICE 554160-1 COMPRESSOR SET,KOREA 554160-2 COMPRESSOR SET,KOREA 546810...
  • Page 82 CASE ASSEMBLY,CONTROL(OUTDOOR) 668711 PWB(PCB) ASSEMBLY,MAIN(OUTDOOR) W0CZZ-1 CAPACITOR,DRAWING W0CZZ-2 CAPACITOR,DRAWING NOTE) Please ensure GCSC since these parts may be changed depending upon the buyer's request. (GCSC WEBSITE http://biz.LGservice.com) 82 Room Air Conditioner PART No. LSU240CE LSU180HE 1A00202F 1A00202F 3A02284Y 3A02284Y 6323A20002L...
  • Page 83 P/No.: 3828A20462V Printed in Korea...

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