LG Electronics LSC183VMA service manual Indoor unit installation

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2.Tape the tubing, drain hose, and the connecting cable. Be sure that the drain hose is located at the lowest side of the bundle. Locating at the upper side can cause drain pan to overflow inside the unit.

Outside diameter			Torque

mm		inch	kg.m
Ø6.35		1/4	1.8
Ø9.52		3.8	4.2
Ø12.7		1/2	5.5
Ø15.88		5/8	6.6
Ø19.05		3/4	6.6

Gas side piping

Loop

Connecting cable

•When extending the drain hose at the indoor unit, install the drain pipe.

Drain pipe

Liquid side piping	Drain hose

NOTE: If the drain hose is routed inside the room, insulate the hose with an insulation material* so that dripping from "sweating"(condensation) will not damage furniture or floors.

Adhesive

Indoor unit drain hose

Vinyl tape(narrow)

*Foamed polyethylene or equivalent is recommended.

3.Indoor unit installation

•Hook the indoor unit onto the upper portion of the installation plate.(Engage the two hooks of the rear top of the indoor unit with the upper edge of the instal- lation plate.) Ensure that the hooks are properly seat- ed on the installation plate by moving it left and right.

Connecting cable

Drain hose

4.Connecting the pipings to the indoor unit and drain hose to drain pipe.

•Align the center of the pipes and sufficiently tighten the flare nut by hand.

Indoor unit tubing

Flare nut Pipes

• Tighten the flare nut with a wrench.

Open-end wrench (fixed)

Flare nut

5.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.

Plastic bands Insulation material

•Wrap the area which accommodates the rear piping housing section with vinyl tape.

	Connection	Indoor
	Connection	unit pipe
	pipe	unit pipe
	pipe
	Vinyl tape	Wrap with vinyl tape

(wide)

Connecting cable

Pipe

Vinyl tape(narrow)

•Bundle the piping and drain hose together by wrap- ping them with vinyl tape for enough to cover where they fit into the rear piping housing section.

Wrap with vinyl tape

Pipe

Wrench

Connection pipe

Indoor unit tubing

Vinyl tape(wide)

Drain hose

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Contents Room Air Conditioner Contents Details of 2003 LG Model Name Code Type Code of Model MeaningFunctions Indoor UnitTemperature Setting Operation ON/OFF Operation Mode SelectionRoom, Temperature Checking 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 Fuzzy Operation for Dehumidification On-Timer OperationAirflow Speed Selection Fuzzy Operation for HeatingSleep Timer Operation Off-Timer OperationOff-Timer ↔ On-Timer Operation Chaos Swing ModeForced Operation Jet Cool Mode Operation H/P ModelRemote Control Operation Mode Test operationSelf-diagnosis Function Compressor on IndicatorDisplay Function Heating ModelSelect the best location InstallationInstallation of indoor, Outdoor unit Piping length and elevationCover pipe and cover side remove Preparing work for InstallationOpen panel front 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 portionConnection of the pipes-Outdoor Installation Information For right piping Good caseBad case 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 wiringForm the piping Checking the Drainage and forming the pipingsChecking the drainage To check the drainageCircuit Breaker Use a circuit breaker or time delay fuse Connect the cable to the indoor unitAir purging with vacuum pump Air PurgingAir purging PreparationEvacuation Finishing the jobPanel Front Assembly Drive three screwsTest Running Prepare remote controlPump Down Procedure 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 SideCheck for gas leakage ProcedureAir purging 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 leakedConnect the charge hose to the charging cylinder Gas ChargingAfter Evacuation 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