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LG Electronics LCN240CP service manual No A20911A

Models: LCN240CP

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P/No.: 3828A20911A

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LG Electronics LCN240CP service manual No A20911A

Contents

Ceiling Cassette Air Conditioner Table of Contents Indoor units Models ListOutdoor units Local model nameInstallation Safety PrecautionsDefective installation stand Do not install, remove, or reOperational Do not let electric parts of the product get wetBe cautious that water could not enter the product Thinner Keep level even when installing the productUse two or more people to lift and transport the product Do not step on or put anyting on the product. outdoor unitsFeatures & Benefits Space Control Swirl SwingAuto Restart Operation Two Thermistor ControlZero Standby Power Time Delay Safety FunctionHigh Ceiling Operation Water Drain PumpCeiling Cassette List of FunctionsWireless LCD Remote Control Function of Remote ControlNd F Button Wired LCD Remote Control Indoor unit type Ceilling Cassette 4way Model SpecificationsAT-C243HLFO AT-C343HLFO Model No. LCN240CP/LC240CPI/LCN340CP/LC340CPI Dimensional DrawingsModel No. LCU240CP/LC240CPO Model No. LCU340CP/LC340CPO Indoor Unit Wiring DiagramsLCU340CP/LC340CPO Outdoor UnitCooling Only Models Refrigerant Cycle DiagramsSelect the best location InstallationIndoor Unit Outdoor UnitSettlement of outdoor unit Indoor Unit Installation24k/34k Btu/h 1Ø Cooling & Heating type Wiring ConnectionAir conditioner unit Piping side Installation of Decoration PanelHeat Insulation Heat Insulation and pipingsDrain Piping of Ceiling Cassette Drain Pipe WorkDrain test Test running Precautions in Test RUNEvaluation of the performance Connection of power supplyTwo Thermistor System Optional OperationProcedure Adjusting air volume to the height of ceilingWiring design Remote ControllerCycle Troubleshooting Guide Troubleshooting GuideTrouble analysis Trouble Electronic Parts Troubleshooting GuideProduct doesnt operate with the remote controller When cooling does not operate When indoor Fan does not operate Trouble 5 When Vertical Louver does not operate Outdoor Error Indoor ErrorError Indicator Self-diagnosis FunctionCheck Point Troubleshooting CH01, CH02, CH06Troubleshooting CH03 Troubleshooting CH04 Troubleshooting CH05, CH53 Troubleshooting CH24, CH25 Constant Troubleshooting CH32, CH33Troubleshooting CH41, CH44, CH45, CH46, CH47, CH65 Troubleshooting CH51, CH60 Troubleshooting CH61, CH62 Way Valve Liguid Side Way Valve Gas Side Way ValvePumping down ProcedureAir purging of the charge hose Set the liquid side valve to the closed positionEvacuation Mount the valve caps and the service port capsAll amount of refrigerant leaked Gas Charging Mount the valve stem nuts and the service port nutAfter Evacuation Connect the gauge to the charging cylinderMain P.C.B ASM Electronic Control DeviceModel No. LCN240CP/LCN340CP Exploded View and Replacement Parts ListDescription Remarks Parts ListModel No. LCU240CP Description Remarks LCU240CP / LC240CPO Model No Description Remarks LCU340CP / LC340CPO Model No. PT-CDC1 Description Remarks PT-CDC1 No A20911A