LG Electronics LSC183VMA Gas Charging, After Evacuation, Purge the air from the charge hose

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4. Gas Charging

(After Evacuation)

Indoor unit	Liquid side

Open	Outdoor unit

2-Way valve

Gas side

Open

	3-Way
Check valve	valve
Check valve

Charging cylinder

Lo

(1) OPEN

CLOSE

• Procedure

(1)Connect the charge hose to the charging cylinder.

–Connect the charge hose which you dis- connected from the vacuum pump to the valve at the bottom of the cylinder.

–If you are using a gas cylinder, also use a scale and revers the cylinder so that the system can be charged with liquid.

(2)Purge the air from the charge hose.

–Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air. (Be careful of the liquid refrigerant). The procedure is the same if using a gas cylinder.

(3)Open the valve (Lo side on the charge set and charge the system with liquid refrigerant.

–If the system can not be charged with the specified amount of refrigerant, it can be charged with a little at a time (approximately 150g each time) while operating the air conditioner in the cooling cycle; however, one time is not sufficient, wait approximately 1 minute and then repeat the procedure (pumping down-pin).

\

This is different from previous procedures. Because you are charging with liquid refrigerant from the gas side, absolutely do not attempt to charge with larger amounts of liquid refrigerant while operating the air conditioner.

(4)Immediately disconnect the charge hose from the 3-way valve’s service port.

–Stopping partway will allow the gas to be discharged.

–If the system has been charged with liquid refrigerant while operating the air conditioner turn off the air conditioner before disconnecting the hose.

(5)Mount the valve stem nuts and the service port nut.

–Use torque wrench to tighten the service port nut to a torque of 1.8 kg.m.

–Be sure to check for gas leakage.

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Contents Room Air Conditioner Contents Code Type Code of Model Meaning Details of 2003 LG Model NameIndoor Unit FunctionsRoom, Temperature Checking Operation ON/OFF Operation Mode SelectionTemperature Setting Setting the Time or Timer Timer SelectionLSC183VMA Product ReferencesIndoor Unit DimensionsIndoor Unit Gas side Outdoor Unit 18KCooling Only Models Refrigeration Cycle Diagram18K Cooling Only Models Wiring DiagramOperation Details Cooling Mode OperationHealthy Dehumidification Mode Defrost Control Heating Mode OperationFuzzy Operation for Cooling Fuzzy Operation C/O ModelFuzzy Operation H/P Model Airflow Speed Selection On-Timer OperationFuzzy Operation for Dehumidification Fuzzy Operation for HeatingOff-Timer ↔ On-Timer Operation Off-Timer OperationSleep Timer Operation Chaos Swing ModeRemote Control Operation Mode Jet Cool Mode Operation H/P ModelForced Operation Test operationDisplay Function Compressor on IndicatorSelf-diagnosis Function Heating ModelInstallation of indoor, Outdoor unit InstallationSelect the best location Piping length and elevationOpen panel front Preparing work for InstallationCover pipe and cover side remove Drain hose junctionHow to fix installation plate Connection of piping Indoor Flaring Work and Connection of PipingFlaring work Wrap the insulation material around the connecting portion Indoor unit installationBad case Installation Information For right piping Good caseConnection of the pipes-Outdoor For right piping. Follow the instruction belowConnection of the cable Connecting The Cable Between Indoor Unit and Outdoor UnitFor strand wiring Connection method of the connecting cableExampleChecking the drainage Checking the Drainage and forming the pipingsForm the piping To check the drainageConnect the cable to the indoor unit Circuit Breaker Use a circuit breaker or time delay fuseAir purging Air PurgingAir purging with vacuum pump PreparationFinishing the job EvacuationDrive three screws Panel Front AssemblyPump Down Procedure Prepare remote controlTest Running Settlement of outdoor unitOperation Name and Function-Remote ControlTo remove the Control Box To remove the Grille from the ChassisTo remove the Motor To remove the EvaporatorBefore removing the Turbo Fan Way Valve Liquid Side Way, 3-way ValveAir purging ProcedureCheck for gas leakage Purge the air from the systemSet the 2-way valve to the closed position Pumping downAir purging of the charge hose Re-air purging Gas leakage Balance refrigerant of the 2-way, 3-way valvesAll amount of refrigerant leaked EvacuationAfter Evacuation Gas ChargingConnect the charge hose to the charging cylinder Purge the air from the charge hoseTrouble analysis Cycle Troubleshooting GuideYES Product is not operate with the remote controller Compressor/Outdoor Fan are unable to drive Check connecting condition of the CN-MOTOR Connector When Indoor Fan does not operateWhen Vertical Louver does not operate When a comunication error occurs Indoor Unit Phenomena in case of connecting errorOutdoor Unit Indoor Fan Speed Voltage of Connectors according toNo. of pins Main PWB ASSYIndoor Unit Electronic Control DeviceModel Main PWB ASSYOutdoor UnitDisplay PWB Assembly SUB PCB ASM Indoor UnitMicom Outdoor UnitExploded View and Replacement Parts List Location Description Remarks LSC183VMA Parts ListindoorW0CZZ Outdoor unit18KLocation Description QTY Remarks LSC183VMA Parts ListoutdoorMemo Memo August