
LG RoomAir ConditionerSERVICE MANUALLGMODELS: LW1800PRLW1800ERLW1800ERZ3LW1500PRLW1500PRY3LWP1830WALLWP1820PDLLWP1820PELLWC182PLMM0LWC183PLMD1LWC212PL
10 Room Air ConditionerInstallationCabinet Installation1. Open the window. Mark a line on the center of the windowstool between the side window stop m
Service Manual 11Installation5. Pull each Frame curtain fully to each window sashtrack, and pull the bottom window sash down behindthe Top retainer b
12 Room Air ConditionerOperation• Designed for COOLING ONLY.• Powerful and quiet cooling.• Slide-in and slide-out chassis for the simple instal-lation
Service Manual 13OperationFAN SPEED SELECTOREvery time you push this button, it is set as follows. (Hi ➔ Low ➔ Med ➔ Hi ➔ Low ➔...)ON/OFF TIMER BUTTO
14 Room Air ConditionerREMOTE CONTROLDISPLAYTIMER MODE TEMPPOWERFANSPEED°F12345F1 LOWF2 MEDF3 HIGH COOLDRYENERGYSAVERFANTIMER6PowerTempFan SpeedTimer
Service Manual 15POWER BUTTONOperation starts, when this button is pressed and stops when you press the button again.ROOM TEMPERATURE SETTING BUTTONC
16 Room Air ConditionerDisassemblyDisassemblyMechanical Parts— Before the following disassembly, CONTROL BOX set to OFF and disconnect the power cord.
Service Manual 17DisassemblyFigure 18Figure 19Figure 20Figure 214. Air Guide and Turbo Fan1. Remove the front grille. (Refer to section 1)2. Remove t
18 Room Air Conditioner6. Shroud1. Remove the fan. (Refer to section 5)2. Remove the shroud. (See Figure 22)3. Re-install the components by referring
Service Manual 19Disassembly9. Capacitor1. Remove the control box. (Refer to section 3)2. Open the top cover from the control box.(See Figure 25)3. P
2 Room Air ConditionerAir Conditioner Service ManualTABLE OF CONTENTSSafety Precautions...
20 Room Air ConditionerDisassembly11. Motor1. Remove the cabinet. (Refer to section 2)2. Remove the turbo fan. (Refer to section 4)3. Remove the fan.
Service Manual 21Disassembly— Replacement of the refrigeration cycle.1. When replacing the refrigeration cycle, be sure toDischarge the refrigerant s
22 Room Air ConditionerDisassemblyEquipment needed: Vacuum pump, Charging cylinder, Manifold gauge, Brazing equipment. Pin-off tool capableof making
Service Manual 23Schematic Diagram4WAYMAIN POWERCAPACITORMOTORFAN35V24D02D~D05D1N4004SVC271D-14ACN-PWRFUSE125V/T2AZNR01J0.1/275VC01JCN-MOTOR120 1/2WR
24 Room Air ConditionerSchematic Diagram332211HVB5VbcR04PXOOX5VR04P8EEPROMModel1EEPROMA05VS7136IC01A3.6V21R01A20K3+10V1uFC02ACAT93C46VccAuto RestartNo
Service Manual 25Schematic Diagram MODEL : LWP1820PDL/LWP1820PEL MODEL : LW1800ERZ3/LW1800PR, HBLG1803RLW1800ER/LWP1830WAL MODEL : LWC182PLMM0/LW
Schematic Diagram26 Room Air ConditionerComponents Location MODEL: LW1800PR/LW1800ERLW1500PR/LWP1830WALLWP1820PDL/LWP1820PEL LW1800ERZ3/LW1804ERLWC183
Service Manual 27Schematic Diagram MODEL: LW1800ER/LWP1820PDL/LWP1820PEL MODEL: LW1804ER/LW1500PRY3/LW1800PRZ3/LWC183PLMD1
28 Room Air ConditionerTroubleshooting Guide Troubleshooting GuidePiping SystemFigure 31 is a brief description of the important components and their
Service Manual 29Troubleshooting Guide Troubleshooting GuideIn general, possible trouble is classified in two kinds.The one is called Starting Failur
Service Manual 3Safety Precautions Safety PrecautionsTo prevent injury to the user or other people and property damage, the following instructions m
30 Room Air ConditionerTroubleshooting Guide Fails to StartCheck circuit breakerand fuse.Gas leakage of feeler bulbof thermostatCheck of control switc
Service Manual 31Troubleshooting Guide • Check the Fuse.• Check the wiring diagram.Is the Trans input power AC 115V?(208/230V for LWL1230WAL)Is the T
32 Room Air ConditionerTroubleshooting Guide Possible Trouble 2 The compressor does not operate.Possible Trouble 3 The compressor always operate.Is se
Service Manual 33Troubleshooting Guide Possible Trouble 4 FAN does not operate.Possible Trouble 5The function of Energy Saver does not operate.• Rep
34 Room Air ConditionerTroubleshooting Guide Possible Trouble 6 Remote controller does not operate.Possible Trouble 7 It displays abnormally on DC PCB
Service Manual 35Troubleshooting Guide • Check the Fuse.• Check the wiring diagram.Is the Trans input power AC 115V?(208/230V for LWL1230WAL)Is the T
36 Room Air ConditionerTroubleshooting Guide Possible Trouble 2 The compressor does not operate.Possible Trouble 3 The compressor always operate.Is de
Service Manual 37Troubleshooting Guide Possible Trouble 4 FAN does not operate.Possible Trouble 5Remote controller does not operate.• Replace IC01M.
38 Room Air ConditionerTroubleshooting Guide Possible Trouble 6 It displays abnormally on DC PCB Ass’y.NONONONOYESYESYESAre the IC01G and IC02Ggood?Is
Service Manual 39Troubleshooting Guide COMPLAINT CAUSE REMEDYCheck voltage at outlet. Correct if none.Check voltage to Control Box. If none, check po
4 Room Air ConditionerSafety Precautions Do not modify or extend the power cord.• There is risk or fire or electric shock.Do not install, remove, or
40 Room Air ConditionerTroubleshooting Guide COMPLAINT CAUSE REMEDYCheck the TEMP control. If not at the lowest number,set TEMP control to this settin
Service Manual 41Exploded View Exploded View DEFROSTHEATCOOLINDOORDESIREDENERGYSAVERAIRPURYFIERAUTORESTARTFANFANDRY130910149980346811359012W486023494
Exploded View 42 Room Air Conditioner HEATING MODELDEFROSTHEATCOOLINDOORDESIREDENERGYSAVERAIRPURYFIERAUTORESTARTFANFANDRY130910149980346811359012W486
Service Manual 43Replacement Parts ListReplacement Parts ListDESCRIPTION130410 BASE ASSEMBLY,WELD[SINGLE] 3041A20023D130910 CABINET ASSEMBLY,SINGLE 3
44 Room Air ConditionerReplacement Parts List130410 BASE ASSEMBLY, WELD[SINGLE] 3041A20023B 3041A20023B 3041A20023Z R130910 CABINET ASSEMBLY, SINGLE 3
Service Manual 45Replacement Parts ListDESCRIPTION130410 BASE ASSEMBLY, WELD[SINGLE] 3041A20023B 3041A20023C R130910 CABINET ASSEMBLY, SINGLE 3091AR6
46 Room Air ConditionerDESCRIPTION130410 BASE PAN WELD ASS'Y 3041A20023B R130910 CABINET ASS'Y 3091AR6057E 3091AR6057H R135312 FRONT GRILL A
Service Manual 47DESCRIPTION130410 BASE ASSEMBLY, WELD[SINGLE] 3041A20023B R130910 CABINET ASSEMBLY, SINGLE 3091AR6057H R135303 GRILLE, INLET 3530A10
48 Room Air ConditionerDESCRIPTION130410 BASE ASSEMBLY,WELD[SINGLE] 3041A20023D 3041A20023D130910 CABINET ASSEMBLY,SINGLE 3091AR6057E 3091AR6057E13530
Service Manual 49DESCRIPTION130410 BASE ASSEMBLY,WELD[SINGLE] 3041A20023D130910 CABINET ASSEMBLY,SINGLE 3091AR6057E135303 GRILLE,INLET 3530A10146A135
Service Manual 5DimensionsDimensionsDWH'FTIMER POWERMODETEMPFANSPEEDF1 LOWF2 MEDF3 HIGH Dry TimerFanEnergySaverCoolW mm(inch) 660(25 31/32)H mm(
P/No.: 3828A20140EPrinted in Korea
6 Room Air ConditionerSpecficationsProduct SpecificationsPOWER SUPPLYCAPACITY (BTU/h)INPUT (W)COOLINGRUNNING CURRENT (A)E.E.R (BTU/W.h)CAPACITY (BTU/h
Service Manual 7InstallationInstallationSelect the Best LocationInstallation CheckHow to Secure the Drain Pipe1. To avoid vibration and noise, make s
8 Room Air ConditionerInstallationHow to InstallWhen Using Installation Kits1. Window RequirementsThis unit is designed for installation in standard d
Service Manual 9Suggested tool RequirementsPreparation of Chassis1. Remove the screws which fasten the cabinet at both sidesand at the back. Keep the
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