Manuals / LG Electronics / Household Appliance / Air Conditioner

LG Electronics LSC183VMA Contents, Details of 2003 LG Model Name, Functions, Product References

Models: LSC183VMA

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Details of 2003 LG Model Name	3
Functions	4
Product References	6
Dimensions	7
Refrigeration Cycle Diagram	9
Wiring Diagram	10
Operation Details	11
Display Function	17
Self-diagnosis Function	17
Installation	18
Operation	32
Disassembly of the parts (Indoor Unit)	33
2-way,3-way Valve	35
Cycle Troubleshooting Guide	42
Electronic Control Device	52
Schematic Diagram	55
Exploded View and Replacement Parts List	57

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Contents

Room Air Conditioner MODEL LSC183VMASERVICE MANUAL Refrigeration Cycle Diagram ContentsDimensions Wiring DiagramType Details of 2003 LG Model NameCode Code of ModelOperation ON/OFF by Remote controller Sensing the Room Temperature FunctionsIndoor Unit Room temperature controlTemperature Setting Remote ControlRoom, Temperature Checking Setting the Time or Timer Timer SelectionProduct References Indoor Unit Dimensions1 Indoor Unit 2 Outdoor Unit 18K Gas sideINDOOR UNIT Refrigeration Cycle DiagramCooling Only Models OUTDOOR UNIT1 Indoor Unit Wiring Diagram18K Cooling Only Models 2 Outdoor Unit 18KDISPLAY Operation Details1. MAIN UNIT FUNCTION Cooling Mode OperationHeating Mode Operation Defrost Control1 Fuzzy Operation for Cooling Fuzzy Operation C/O ModelFuzzy Operation H/P Model 2 Fuzzy Operation for Dehumidification On-Timer OperationAirflow Speed Selection 3 Fuzzy Operation for HeatingSleep Timer Operation Off-Timer OperationOff-Timer ↔ On-Timer Operation Chaos Swing ModeForced Operation Remote Control Operation ModeJet Cool Mode Operation H/P Model Test operation1. Heating Model Display FunctionSelf-diagnosis Function 2. Cooling Model1 Select the best location Installation1. Installation of indoor, Outdoor unit 2 Piping length and elevation2. Cover pipe and cover side remove 3 Preparing work for Installation1. Open panel front 3. Drain hose junction4 How to fix installation plate 5 Preparing work for installation2 Connection of piping Indoor 2. Flaring Work and Connection of Piping1 Flaring work 1. Cut the pipes and the cable3. Indoor unit installation 5. Wrap the insulation material around the connecting portion3 Connection of the pipes-Outdoor Installation Information For right piping Good caseBad case For right piping. Follow the instruction below2. Separately wire the high and low voltage line 3. Connecting The Cable Between Indoor Unit and Outdoor UnitWiring Diagram Every wire must be connected firmly2 Connection method of the connecting cableExample 2 Form the piping 4. checking the Drainage and forming the pipings1 Checking the drainage 1. To check the drainageCAUTIONI 3 Connect the cable to the indoor unitAir Conditioner 2 Air purging with vacuum pump 5. Air Purging1 Air purging 1. Preparation4. Finishing the job Soap water method3. Evacuation 3. Drive three screws 6. Panel Front Assemblyleft 1. Prepare remote control 7. Test RunningPUMP DOWN Pump Down ProcedureOperation Mode Name and Function-Remote ControlOperation Cooling Operation Auto Operation Healthy Dehumidification Operation2. 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, 3-way Valve 2-way Valve Liquid SideCAUTION Do not leak the gas in the air during Air purging Procedure1. Air purging 1 Recheck the piping connections2 Operate the unit for 10 to 15 minutes 2. Pumping downProcedure 4 Air purging of the charge hoseRe-installation 1 Re-air purgingProcedure 7 Mount the valve stem nuts and the service port nutGas leakage 2 Balance refrigerant of the 2-way, 3-way valvesProcedure 2 Connect the charge set to the 3-way valve’s portProcedure 3. EvacuationVacuum pump All amount of refrigerant leaked5 Mount the valve stem nuts and the service port nut 4. Gas ChargingProcedure After EvacuationCycle Troubleshooting Guide 1. Trouble analysisRefer to Electronic Control Device drawing and Schematic diagram 2. Product does not operate at all3. The product is not operate with the remote controller COMP ON 4. Compressor/Outdoor Fan are unable to driveCheck point COMP OFF5. 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 No. of pins 9. Voltage of Connectors according toIndoor Fan Speed MODELSTOP VIEW BOTTOM VIEW PWB ASSY SVC PART LIST Electronic Control Device1 MAIN PWB ASSYIndoor Unit MODELOPTIONAL FUNCTION 2 MAIN PWB ASSYOutdoor UnitPWB ASSY SVC PART LIST TOP VIEW BOTTOM VIEW 3 DISPLAY PWB ASSEMBLY4 SUB P.W.B ASSEMBLY PWB ASM6871A20363OUTDOOR 1. Indoor UnitDiagramSchematic 2. Outdoor Unit MICOMExploded View and Replacement Parts List 1. Indoor UnitDESCRIPTION Parts ListindoorLOCATION REMARKS2. Outdoor unit18K DESCRIPTION Parts ListoutdoorLOCATION REMARKSMEMO MEMO Printed in Korea AugustP/No. 3828A20135Q

Contents

Details of 2003 LG Model Name

Functions

Product References

Dimensions

Refrigeration Cycle Diagram

Wiring Diagram

Operation Details

Display Function

Self-diagnosis Function

Installation

Operation

Disassembly of the parts (Indoor Unit)

2-way,3-way Valve

Cycle Troubleshooting Guide

Electronic Control Device

Schematic Diagram

Exploded View and Replacement Parts List