LG Electronics AS-W096URH0/UBH0/UWH0/UMH0, AS-W126URH1/UBH1/UWH1/UMH1 service manual Outdoor Unit

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Dimensions

Outdoor Unit

	W	L2
L1	D
	L3

H

L4

L5

Gas side

(3-way valve)

Liquid side

(2-way valve)

		MODEL	9k, 12k Btu Series
	DIM	unit	9k, 12k Btu Series
	DIM	unit
	W	mm	770
	H	mm	540
	D	mm	245
	L1	mm	287
	L2	mm	64
	L3	mm	518
	L4	mm	10
	L5	mm	100

Service Manual 11

Image 11

Contents LG Room Air Conditioner Table of Contents Code Type Code of Model Meaning LG Model Name2002 Meaning 2003~2005Installation Safety PrecautionsThere is risk of fire, electric shock, explosion, or injury Thinner OperationBe cautious that water could not enter the product Keep level even when installing the productOperation 9k, 12k Btu Series DimensionsSymbols Used in this Manual Indoor UnitOutdoor Unit AS-W096U0 AS-W126U0 AS-W096U1 AS-W126U1 Product SpecificationsOutdoor unit InstallationSelect the best Location Indoor unitPiping Length and Elevation Fixing Installation PlateOil trap should be installed every 5~7 meters Flaring Work Drill a Hole in the WallFoamed polyethylene or equivalent is recom- mended Connecting the PipingCheck IndoorWrap the insulation material around the connecting portion For left rear piping Indoor unit installation Bad case For left piping. Follow the instruction below Good caseOutdoor unit OutdoorConnecting the Cables Circuit Grade Breaker Drain piping Checking the DrainageTo check the drainage Forming the Piping Air purging with vacuum pump Air PurgingAir purging Finishing the job Soap water methodEvacuation Evaluation of the performance Prepare remote controllerTest Running Settlement of outdoor unitPump Down Pump Down ProcedureFunctions Stand by control at low temp Power relay controlActive power filter controlPSC Overheatng. ProtectionPower moduleCooling Down to 18C Heating Down to 16C Up to 30C Cancel Sleep Mode, Timer on or Timer OFF3, 4, 5, 6 Off Timer High39C Low11CLG Brand/OEM Brand OperationLED display of indoor unit Control method Protection of the evaporator pipe from frostingModel Comp. Operating frequency Cooling mode operationIntake air Temp Setting Temp Healthy Dehumidification mode operationTemp. differences Comp. Operating frequency Heating mode operationOperating freq. step of comp At beginning Fuzzy mode operationOptionalsIntake air temp Setting temp Fan speed Fuzzy operation for coolingFuzzy operation for dehumidification Fuzzy operation for HeatingChaos swing mode Jet cool mode operationJet heat mode operation Swing modeSleep timer operation for heating cycle Sleep timer operationSleep timer operation for cooling cycle Trial Operation Indoor temp Operating Mode Setting tempAuto restarting operation Forced operationProtection from DC Peak Current Protection from total current controlPortection from overheating of compressor Portection from overheating of power moduleAS-W096/126U1 Series Defrosting controlAS-W096/126U0 Series Low Ambient Auto CleaningAuto ChangeoverOptional To remove the Grille from the Chassis DisassemblyTo remove the Evaporator To remove the Control BoxTo remove the Discharge Grille To remove the Cross-Flow Fan To remove the Motor CoverIndoorAS-W096U 0, AS-W126U 0 Series Schematic DiagramElectric Control Device OutdoorAS-W096Series, AS-W126Series Indoor Unit AS-W096/126U0,1 Series Wiring DiagramAS-W126U0 Series Outdoor Unit AS-W096U0 SeriesComponents Location Indoor Main P.W.B Assembly DC PartDisplay ASSEMBLYAS-W096/126U0,1 Series Outdoor Main P.W.B Assembly AS-W096/126U0 Series Model Adopted Electrion Expansion Valve Troubleshooting GuideRefrigeration Cycle Diagram Model Capillary TubeOutdoor unit Indoor unit Oil trap should be installed per 5~7 metersPipe Length and the Elevation Way Valve Liquid Side Way, 3-way ValvePurge the air from the system ProcedureAir purging Check for gas leakageSet the 2-way valve to the closed position Pumping DownAir purging of the charge hose Air purging Re-installationMount the valve stem nuts and the service port nut Re-air PurgingGas leakage Balance Refrigerant of the 3-way ValveAll amount of refrigerant leaked EvacuationPurge the air from the charge hose Gas ChargingAfter Evacuation Connect the charge hose to the charging cylinderTrouble analysis Cycle PartsSelf-diagnosis function Diagnosis Procedure Precaution in Service or CheckElectronic Parts Procedure Specification RemedyProduct doesnt operate with the remote controller Check Point Comp. on Comp. OFF Compressor/Outdoor Fan are unable to driveWhen indoor Fan does not operate Trouble 5 When the horizontal louver does not operate Heater does not operate at all Indoor Outdoor Outdoor Unit does not operate at allDC Peak ErrorError Code ➅ Trouble 8-1When compressor does not operate normallyCommunication error between Indoor and Outdoor Error Code ➄ Trouble 8-2When compressor does not oprate normallyCT Error Error Code ➆ Trouble 8-3When compressor does not oprate normallyCN-T/Block Problem of missing the connector Indoor Main PCB AssyProblem of missing the connector Outdoor Main PCB Assy Connectors Condition Problem error modeIndoor Unit Exploded ViewOutdoor Unit Description Replacement Parts ListPanel ASSY, Front SUB No A20061Z October