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LG Electronics LSC183VMA Wiring Diagram, 18K Cooling Only Models, Indoor Unit, Outdoor Unit 18K

Models: LSC183VMA

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Wiring Diagram

(1) Indoor Unit

18K (Cooling Only Models)

(2) Outdoor Unit (18K)

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LG Electronics LSC183VMA service manual Wiring Diagram, 18K Cooling Only Models, Indoor Unit, Outdoor Unit 18K

Contents

SERVICE MANUAL MODEL LSC183VMARoom Air Conditioner 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 1 Indoor Unit DimensionsIndoor 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 ControlFuzzy Operation H/P Model Fuzzy Operation C/O Model1 Fuzzy Operation for Cooling 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 drainageAir Conditioner 3 Connect the cable to the indoor unitCAUTIONI 2 Air purging with vacuum pump 5. Air Purging1 Air purging 1. Preparation3. Evacuation Soap water method4. Finishing the job left 6. Panel Front Assembly3. Drive three screws 1. Prepare remote control 7. Test RunningPUMP DOWN Pump Down ProcedureOperation Mode Name and Function-Remote ControlOperation Cooling Operation Auto Operation Healthy Dehumidification Operation1. To remove the Grille from the Chassis Disassembly of the parts Indoor unit2. To remove the Control Box 4. Before removing the Turbo Fan 3. To remove the Evaporator5. To remove the Motor 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 On for 0.5 second 8. The phenomena in case of connecting error INDOOR UNITOff for 3 seconds 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 MODELPWB ASSY SVC PART LIST 2 MAIN PWB ASSYOutdoor UnitOPTIONAL FUNCTION TOP VIEW BOTTOM VIEW 3 DISPLAY PWB ASSEMBLY4 SUB P.W.B ASSEMBLY PWB ASM6871A20363DiagramSchematic 1. Indoor UnitOUTDOOR 2. Outdoor Unit MICOMExploded View and Replacement Parts List 1. Indoor UnitDESCRIPTION Parts ListindoorLOCATION REMARKS2. Outdoor unit18K DESCRIPTION Parts ListoutdoorLOCATION REMARKSMEMO MEMO P/No. 3828A20135Q AugustPrinted in Korea