LG Electronics LSC183VMA service manual Way, 3-way Valve, Way Valve Liquid Side

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2-way, 3-way Valve

2-way Valve (Liquid Side)

3-way Valve (Gas Side)

			Valve cap
	Hexagonal wrench (4mm)		Open position
	Flare nut	Flare nut	Open position
	Flare nut	Flare nut	Closed position
	Open position			Pin
	Closed position			Pin
	Closed position
	To	To
	piping	piping	Service	Service
	connection	connection	Service	Service
	connection	connection	port cap	port
			port cap	port
	To outdoor unit	To outdoor unit

		Works	Shaft position	Shaft position	Service port

		Shipping	Closed	Closed	Closed
		Shipping	(with valve cap)	(with valve cap)	(with cap)
			(with valve cap)	(with valve cap)	(with cap)

		Air purging	Open	Closed	Open
	1.	(Installation)	(counter-clockwise)	(clockwise)	(push-pin or with
					vacumm pump)

		Operation	Open	Open	Closed
		Operation	(with valve cap)	(with valve cap)	(with cap)
			(with valve cap)	(with valve cap)	(with cap)

		Pumping down	Closed	Open	Open
	2.	Pumping down	(clockwise)	(counter-clockwise)	(connected manifold
	2.	(Transfering)	(clockwise)	(counter-clockwise)	(connected manifold
		(Transfering)			gauge)
					gauge)

		Evacuation	Open	Open	Open
	3.	Evacuation			(with charging
	3.	(Servicing)			(with charging
					cylinder)

		Gas charging	Open	Open	Open
	4.	(Servicing)			(with charging
					cylinder)

		Pressure check			Open
	5.	(Servicing)	Open	Open	(with charging cylinder)

	6.	Gas releasing	Open	Open	Open
	6.	(Servicing)	Open	Open	(with charging cylinder)
		(Servicing)

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Contents Room Air Conditioner Contents Code Type Code of Model Meaning Details of 2003 LG Model NameIndoor Unit FunctionsSetting the Time or Timer Timer Selection Operation ON/OFF Operation Mode SelectionRoom, Temperature Checking Temperature SettingLSC183VMA Product ReferencesIndoor Unit DimensionsIndoor Unit Gas side Outdoor Unit 18KCooling Only Models Refrigeration Cycle Diagram18K Cooling Only Models Wiring DiagramOperation Details Cooling Mode OperationHealthy Dehumidification Mode Defrost Control Heating Mode OperationFuzzy Operation for Cooling Fuzzy Operation C/O ModelFuzzy Operation H/P Model Fuzzy Operation for Heating On-Timer OperationAirflow Speed Selection Fuzzy Operation for DehumidificationChaos Swing Mode Off-Timer OperationOff-Timer ↔ On-Timer Operation Sleep Timer OperationTest operation Jet Cool Mode Operation H/P ModelRemote Control Operation Mode Forced OperationHeating Model Compressor on IndicatorDisplay Function Self-diagnosis FunctionPiping length and elevation InstallationInstallation of indoor, Outdoor unit Select the best locationDrain hose junction Preparing work for InstallationOpen panel front Cover pipe and cover side removeHow to fix installation plate Connection of piping Indoor Flaring Work and Connection of PipingFlaring work Wrap the insulation material around the connecting portion Indoor unit installationFor right piping. Follow the instruction below Installation Information For right piping Good caseBad case Connection of the pipes-OutdoorConnection of the cable Connecting The Cable Between Indoor Unit and Outdoor UnitFor strand wiring Connection method of the connecting cableExampleTo check the drainage Checking the Drainage and forming the pipingsChecking the drainage Form the pipingConnect the cable to the indoor unit Circuit Breaker Use a circuit breaker or time delay fusePreparation Air PurgingAir purging Air purging with vacuum pumpFinishing the job EvacuationDrive three screws Panel Front AssemblySettlement of outdoor unit Prepare remote controlPump Down Procedure Test RunningOperation Name and Function-Remote ControlTo remove the Control Box To remove the Grille from the ChassisTo remove the Motor To remove the EvaporatorBefore removing the Turbo Fan Way Valve Liquid Side Way, 3-way ValvePurge the air from the system ProcedureAir purging Check for gas leakageSet the 2-way valve to the closed position Pumping downAir purging of the charge hose Re-air purging Gas leakage Balance refrigerant of the 2-way, 3-way valvesAll amount of refrigerant leaked EvacuationPurge the air from the charge hose Gas ChargingAfter Evacuation Connect the charge hose to the charging cylinderTrouble analysis Cycle Troubleshooting GuideYES Product is not operate with the remote controller Compressor/Outdoor Fan are unable to drive Check connecting condition of the CN-MOTOR Connector When Indoor Fan does not operateWhen Vertical Louver does not operate When a comunication error occurs Indoor Unit Phenomena in case of connecting errorOutdoor Unit Indoor Fan Speed Voltage of Connectors according toNo. of pins Main PWB ASSYIndoor Unit Electronic Control DeviceModel Main PWB ASSYOutdoor UnitDisplay PWB Assembly SUB PCB ASM Indoor UnitMicom Outdoor UnitExploded View and Replacement Parts List Location Description Remarks LSC183VMA Parts ListindoorW0CZZ Outdoor unit18KLocation Description QTY Remarks LSC183VMA Parts ListoutdoorMemo Memo August