LG Electronics LSC183VMA service manual Electronic Control Device, Main PWB ASSYIndoor Unit

Page 52

Electronic Control Device

(1)MAIN PWB ASSY(Indoor Unit)

•TOP VIEW

• BOTTOM VIEW

• PWB ASSY SVC PART LIST

NO

MODEL

P/No.

OPTIONAL FUNCTION

OR1H

OR2H

OR3H

OR4H

OR5H

OR6H

1

18K Cooling Model

6871A20387C

15K

15K

OPEN

OPEN

OPEN

OPEN\

OJ1H, OJ2H, : SHORT

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Contents Room Air Conditioner Contents Details of 2003 LG Model Name Code Type Code of Model MeaningFunctions Indoor UnitOperation ON/OFF Operation Mode Selection Room, Temperature CheckingTemperature Setting Setting the Time or Timer Timer SelectionProduct References LSC183VMAIndoor Unit DimensionsIndoor Unit Outdoor Unit 18K Gas sideRefrigeration Cycle Diagram Cooling Only ModelsWiring Diagram 18K Cooling Only ModelsHealthy Dehumidification Mode Cooling Mode OperationOperation Details Heating Mode Operation Defrost ControlFuzzy Operation H/P Model Fuzzy Operation C/O ModelFuzzy Operation for Cooling On-Timer Operation Airflow Speed SelectionFuzzy Operation for Dehumidification Fuzzy Operation for HeatingOff-Timer Operation Off-Timer ↔ On-Timer OperationSleep Timer Operation Chaos Swing ModeJet Cool Mode Operation H/P Model Remote Control Operation ModeForced Operation Test operationCompressor on Indicator Display FunctionSelf-diagnosis Function Heating ModelInstallation Installation of indoor, Outdoor unitSelect the best location Piping length and elevationPreparing work for Installation Open panel frontCover pipe and cover side remove Drain hose junctionHow to fix installation plate Flaring work Flaring Work and Connection of PipingConnection of piping Indoor Indoor unit installation Wrap the insulation material around the connecting portionInstallation Information For right piping Good case Bad caseConnection of the pipes-Outdoor For right piping. Follow the instruction belowConnecting The Cable Between Indoor Unit and Outdoor Unit Connection of the cableConnection method of the connecting cableExample For strand wiringChecking the Drainage and forming the pipings Checking the drainageForm the piping To check the drainageCircuit Breaker Use a circuit breaker or time delay fuse Connect the cable to the indoor unitAir Purging Air purgingAir purging with vacuum pump PreparationEvacuation Finishing the jobPanel Front Assembly Drive three screwsPrepare remote control Pump Down ProcedureTest Running Settlement of outdoor unitName and Function-Remote Control OperationTo remove the Grille from the Chassis To remove the Control BoxBefore removing the Turbo Fan To remove the EvaporatorTo remove the Motor Way, 3-way Valve Way Valve Liquid SideProcedure Air purgingCheck for gas leakage Purge the air from the systemAir purging of the charge hose Pumping downSet the 2-way valve to the closed position Re-air purging Balance refrigerant of the 2-way, 3-way valves Gas leakageEvacuation All amount of refrigerant leakedGas Charging After EvacuationConnect the charge hose to the charging cylinder Purge the air from the charge hoseCycle Troubleshooting Guide Trouble analysisYES Product is not operate with the remote controller Compressor/Outdoor Fan are unable to drive When Indoor Fan does not operate Check connecting condition of the CN-MOTOR ConnectorWhen Vertical Louver does not operate When a comunication error occurs Phenomena in case of connecting error Indoor UnitOutdoor Unit No. of pins Voltage of Connectors according toIndoor Fan Speed Electronic Control Device Main PWB ASSYIndoor UnitMain PWB ASSYOutdoor Unit ModelDisplay PWB Assembly Indoor Unit SUB PCB ASMOutdoor Unit MicomExploded View and Replacement Parts List Parts Listindoor Location Description Remarks LSC183VMAOutdoor unit18K W0CZZParts Listoutdoor Location Description QTY Remarks LSC183VMAMemo Memo August