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LG Electronics LSC183VMA service manual 2-way, 3-way Valve, way Valve Liquid Side

Models: LSC183VMA

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2-way, 3-way Valve

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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Image 35

LG Electronics LSC183VMA service manual 2-way, 3-way Valve, way Valve Liquid Side

Contents

Room Air Conditioner MODEL LSC183VMASERVICE MANUAL Wiring Diagram ContentsDimensions Refrigeration Cycle DiagramCode of Model Details of 2003 LG Model NameCode TypeRoom temperature control FunctionsIndoor Unit Operation ON/OFF by Remote controller Sensing the Room TemperatureSetting the Time or Timer Timer Selection Remote ControlRoom, Temperature Checking Temperature SettingProduct References Indoor Unit Dimensions1 Indoor Unit Gas side 2 Outdoor Unit 18KOUTDOOR UNIT Refrigeration Cycle DiagramCooling Only Models INDOOR UNIT2 Outdoor Unit 18K Wiring Diagram18K Cooling Only Models 1 Indoor UnitCooling Mode Operation Operation Details1. MAIN UNIT FUNCTION DISPLAYDefrost Control Heating Mode Operation1 Fuzzy Operation for Cooling Fuzzy Operation C/O ModelFuzzy Operation H/P Model 3 Fuzzy Operation for Heating On-Timer OperationAirflow Speed Selection 2 Fuzzy Operation for DehumidificationChaos Swing Mode Off-Timer OperationOff-Timer ↔ On-Timer Operation Sleep Timer OperationTest operation Remote Control Operation ModeJet Cool Mode Operation H/P Model Forced Operation2. Cooling Model Display FunctionSelf-diagnosis Function 1. Heating Model2 Piping length and elevation Installation1. Installation of indoor, Outdoor unit 1 Select the best location3. Drain hose junction 3 Preparing work for Installation1. Open panel front 2. Cover pipe and cover side remove5 Preparing work for installation 4 How to fix installation plate1. Cut the pipes and the cable 2. Flaring Work and Connection of Piping1 Flaring work 2 Connection of piping Indoor5. Wrap the insulation material around the connecting portion 3. Indoor unit installationFor right piping. Follow the instruction below Installation Information For right piping Good caseBad case 3 Connection of the pipes-OutdoorEvery wire must be connected firmly 3. Connecting The Cable Between Indoor Unit and Outdoor UnitWiring Diagram 2. Separately wire the high and low voltage line2 Connection method of the connecting cableExample 1. To check the drainage 4. checking the Drainage and forming the pipings1 Checking the drainage 2 Form the pipingCAUTIONI 3 Connect the cable to the indoor unitAir Conditioner 1. Preparation 5. Air Purging1 Air purging 2 Air purging with vacuum pump4. Finishing the job Soap water method3. Evacuation 3. Drive three screws 6. Panel Front Assemblyleft Pump Down Procedure 7. Test RunningPUMP DOWN 1. Prepare remote controlCooling Operation Auto Operation Healthy Dehumidification Operation Name and Function-Remote ControlOperation Operation Mode2. To remove the Control Box Disassembly of the parts Indoor unit1. To remove the Grille from the Chassis 5. To remove the Motor 3. To remove the Evaporator4. Before removing the Turbo Fan 2-way Valve Liquid Side 2-way, 3-way Valve1 Recheck the piping connections Procedure1. Air purging CAUTION Do not leak the gas in the air during Air purging4 Air purging of the charge hose 2. Pumping downProcedure 2 Operate the unit for 10 to 15 minutes7 Mount the valve stem nuts and the service port nut 1 Re-air purgingProcedure Re-installation2 Connect the charge set to the 3-way valve’s port 2 Balance refrigerant of the 2-way, 3-way valvesProcedure Gas leakageAll amount of refrigerant leaked 3. EvacuationVacuum pump ProcedureAfter Evacuation 4. Gas ChargingProcedure 5 Mount the valve stem nuts and the service port nut1. Trouble analysis Cycle Troubleshooting Guide2. Product does not operate at all Refer to Electronic Control Device drawing and Schematic diagram3. The product is not operate with the remote controller COMP OFF 4. Compressor/Outdoor Fan are unable to driveCheck point COMP ON5. When Indoor Fan does not operate 6. When Vertical Louver does not operate 7. When a comunication error occurs Off for 3 seconds 8. The phenomena in case of connecting error INDOOR UNITOn for 0.5 second OUTDOOR UNIT MODELS 9. Voltage of Connectors according toIndoor Fan Speed No. of pinsMODEL Electronic Control Device1 MAIN PWB ASSYIndoor Unit TOP VIEW BOTTOM VIEW PWB ASSY SVC PART LISTOPTIONAL FUNCTION 2 MAIN PWB ASSYOutdoor UnitPWB ASSY SVC PART LIST PWB ASM6871A20363 3 DISPLAY PWB ASSEMBLY4 SUB P.W.B ASSEMBLY TOP VIEW BOTTOM VIEWOUTDOOR 1. Indoor UnitDiagramSchematic MICOM 2. Outdoor Unit1. Indoor Unit Exploded View and Replacement Parts ListREMARKS Parts ListindoorLOCATION DESCRIPTION2. Outdoor unit18K REMARKS Parts ListoutdoorLOCATION DESCRIPTIONMEMO MEMO Printed in Korea AugustP/No. 3828A20135Q