LG Electronics LCN240CP Operational, Do not install, remove, or re, Defective installation stand

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Safety Presautions

Do not install, remove, or re-

Be cautious when unpacking

install the unit by yourself

and installing the product.

(customer).

 

• There is risk of fire, electric shock,

• Sharp edges could cause injury.

explosion, or injury.

Be especially careful of the case

 

edges and the fins on the con-

 

denser and evaporator.

Do not install the product on a

Be sure the installation area

defective installation stand.

does not deteriorate with age.

For installation, always con- tact the dealer or an Authorized Service Center.

There is risk of fire, electric shock, explosion, or injury.

Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open.

It may cause injury, accident, or damage to the product.

If the base collapses, the air condi- tioner could fall with it, causing property damage, product failure, and personal injury.

Moisture may condense and wet or damage furniture.

Operational

Do not touch(operate) the product with wet hands.

There is risk of fire or electrical shock.

Do not place a heater or other appliances near the power cable.

There is risk of fire or electric shock.

Do not let electric parts of the product get wet.

There is risk of fire, failure of the product, or electric shock.

Service Manual 5

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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 FunctionsNd F Button Function of Remote ControlWireless LCD Remote Control 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 test Drain Pipe WorkDrain Piping of Ceiling Cassette 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 ControllerTrouble analysis Troubleshooting GuideCycle Troubleshooting Guide 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 positionAll amount of refrigerant leaked Mount the valve caps and the service port capsEvacuation 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