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LG Electronics service manual MODEL LSC183VMA, Room Air Conditioner, Service Manual

Models: LSC183VMA

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Room Air Conditioner

SERVICE MANUAL

MODEL : LSC183VMA

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LG Electronics service manual MODEL LSC183VMA, Room Air Conditioner, Service Manual

Contents

SERVICE MANUAL MODEL LSC183VMARoom Air Conditioner Dimensions ContentsRefrigeration Cycle Diagram Wiring DiagramCode Details of 2003 LG Model NameType Code of ModelIndoor Unit FunctionsOperation ON/OFF by Remote controller Sensing the Room Temperature Room temperature controlRoom, Temperature Checking Remote ControlTemperature Setting Setting the Time or Timer Timer SelectionProduct References 1 Indoor Unit DimensionsIndoor Unit Gas side 2 Outdoor Unit 18KCooling Only Models Refrigeration Cycle DiagramINDOOR UNIT OUTDOOR UNIT18K Cooling Only Models Wiring Diagram1 Indoor Unit 2 Outdoor Unit 18K1. MAIN UNIT FUNCTION Operation DetailsDISPLAY Cooling Mode OperationDefrost Control Heating Mode OperationFuzzy Operation H/P Model Fuzzy Operation C/O Model1 Fuzzy Operation for Cooling Airflow Speed Selection On-Timer Operation2 Fuzzy Operation for Dehumidification 3 Fuzzy Operation for HeatingOff-Timer ↔ On-Timer Operation Off-Timer OperationSleep Timer Operation Chaos Swing ModeJet Cool Mode Operation H/P Model Remote Control Operation ModeForced Operation Test operationSelf-diagnosis Function Display Function1. Heating Model 2. Cooling Model1. Installation of indoor, Outdoor unit Installation1 Select the best location 2 Piping length and elevation1. Open panel front 3 Preparing work for Installation2. Cover pipe and cover side remove 3. Drain hose junction5 Preparing work for installation 4 How to fix installation plate1 Flaring work 2. Flaring Work and Connection of Piping2 Connection of piping Indoor 1. Cut the pipes and the cable5. Wrap the insulation material around the connecting portion 3. Indoor unit installationBad case Installation Information For right piping Good case3 Connection of the pipes-Outdoor For right piping. Follow the instruction belowWiring Diagram 3. Connecting The Cable Between Indoor Unit and Outdoor Unit2. Separately wire the high and low voltage line Every wire must be connected firmly2 Connection method of the connecting cableExample 1 Checking the drainage 4. checking the Drainage and forming the pipings2 Form the piping 1. To check the drainageAir Conditioner 3 Connect the cable to the indoor unitCAUTIONI 1 Air purging 5. Air Purging2 Air purging with vacuum pump 1. Preparation3. Evacuation Soap water method4. Finishing the job left 6. Panel Front Assembly3. Drive three screws PUMP DOWN 7. Test Running1. Prepare remote control Pump Down ProcedureOperation Name and Function-Remote ControlOperation Mode 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 Valve Liquid Side 2-way, 3-way Valve1. Air purging ProcedureCAUTION Do not leak the gas in the air during Air purging 1 Recheck the piping connectionsProcedure 2. Pumping down2 Operate the unit for 10 to 15 minutes 4 Air purging of the charge hoseProcedure 1 Re-air purgingRe-installation 7 Mount the valve stem nuts and the service port nutProcedure 2 Balance refrigerant of the 2-way, 3-way valvesGas leakage 2 Connect the charge set to the 3-way valve’s portVacuum pump 3. EvacuationProcedure All amount of refrigerant leakedProcedure 4. Gas Charging5 Mount the valve stem nuts and the service port nut After Evacuation1. 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 Check point 4. Compressor/Outdoor Fan are unable to driveCOMP ON 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 Indoor Fan Speed 9. Voltage of Connectors according toNo. of pins MODELS1 MAIN PWB ASSYIndoor Unit Electronic Control DeviceTOP VIEW BOTTOM VIEW PWB ASSY SVC PART LIST MODELPWB ASSY SVC PART LIST 2 MAIN PWB ASSYOutdoor UnitOPTIONAL FUNCTION 4 SUB P.W.B ASSEMBLY 3 DISPLAY PWB ASSEMBLYTOP VIEW BOTTOM VIEW PWB ASM6871A20363DiagramSchematic 1. Indoor UnitOUTDOOR MICOM 2. Outdoor Unit1. Indoor Unit Exploded View and Replacement Parts ListLOCATION Parts ListindoorDESCRIPTION REMARKS2. Outdoor unit18K LOCATION Parts ListoutdoorDESCRIPTION REMARKSMEMO MEMO P/No. 3828A20135Q AugustPrinted in Korea