LG Electronics LSU180CE, LSN090CE, LSU120CE, LSU090HE, LSU090CE, LSN180CE, LSN120HE Outdoor9k, 12k

Page 69

Schematic Diagram

■Outdoor(9k, 12k)

• TOP VIEW

• BOTTOM VIEW

Service Manual 69

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Contents Room Air Conditioner Table of Contents Installation Safety PrecautionsDo not modify or extend the power cord Be sure not to do Be sure to follow the instructionOperation Moisture may condense and wet or damage furnishings Low refrigerant levels may cause product failure Keep level even when installing the productSolvents, etc On the product. outdoor unitOr more often if necessary Disuse Do not drink the water drained from the unitReplace all the batteries in the remote Dimensions Symbols Used in this ManualIndoor Unit Model Btu Series Dimension Mminch 109042.9 30011.8 1787.0 9k, 12k Outdoor UnitDIM 18k, 24kIntroduction FeaturesInstallation Installation PartsInstallation Tools Bushing-Sleeve Installation MapThis Product Contains R-410A Refrigerant Confirm The RefrigerantSelect The Best Location Rooftop InstallationsIndoor unit Outdoor unitEvap Moz/ft Piping Length And ElevationDrill a Hole In The Wall How To Mount Installation PlateCut the pipes and the cable Flaring WorkBurrs removal Putting nut onConnecting The Piping Indoor unit installationIndoor Tighten the flare nut with a wrench Wrap the insulation material around the connecting portionIndoor unit installation Insert the connecting cable into the indoor unitConnection Indoor Incorrect case Correct caseConnection Of Piping -Outdoor Connection Of The Drain HoseConnection Of The Cable Wiring DiagramRoom Air Conditioner Drain piping Checking The DrainageSeal small openings around pipings with a gum type sealer Forming The PipingAir purging With Vacuum Pump Air PurgingPreparation Leak testFinishing the job EvacuationCharging Test Running Prepare remote controlSettlement of outdoor unit Evaluation of the performanceHealthy Dehumidification Mode Cooling Mode OperationOperation Function of ControlsDefrost Control Heating Mode OperationChaos Natural Wind Mode Sleep Timer OperationJet Cool Mode Operation C/O Model Jet Cool Mode Operation H/P ModelTest operation Forced operationAuto restart Protection of the evaporator pipe from frostingDisplay Function Self-diagnosis FunctionHeating Model Operation Mode Remote Control OperationsTo remove the Grille from the Chassis DisassemblyTo remove the Control Box To remove the Motor Cover Refrigeration Cycle Diagram Troubleshooting GuideCooling Only Models Cooling & Heating ModelsWay Valve Liquid Side Way, 3-way ValvePumping Down ProcedureBalance Refrigerant of the 3-way Valve Vacuum pump After Evacuation Gas ChargingMethod of using equation Method of using graphAccording to Indoor & Outdoor Temperature Additional gas chargingTrouble analysis Cycle PartsProduct does not operate at all Electronic Parts 9k modelElectronic Parts 18k model Product is not operate with the remote controller Compressor/Outdoor Fan are unable to drive.9k Model Compressor/Outdoor Fan are unable to drive.18k Model Nector 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 Electric Control Device Schematic DiagramOutdoor 9k, 12k Outdoor 18k, 24k Wiring Diagram Models 9kC/O Models 12kH/P, 12kC/O, H/P Models 18kC/O Models 18kH/P, 24kC/O, H/P Components Location Outdoor9k, 12k Outdoor18k, 24k 6871A20680 6871A20681Cooling Only Product SpecificationsLS090HE LS120HE LS180HE LS240HE Cooling & HeatingExploded View Outdoor Unit 9k, 12k Btu/h Seriess 435512 W0CZZ-2 Outdoor Unit 18kH/P, 24k SeriessParts List Indoor Replacement Parts ListLSN180CE LSU120HE Parts List OutdoorReplacement Parts List LSU240HE No A20462V
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