LG Electronics LS090HP(AS-H091E1H0), LS180CP(AS-C183DM0) manual No MFL32351801 December

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P/NO : MFL32351801	December, 2007

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Contents SVC MANUALExploded View Table of Contents Safety Precautions InstallationDo not modify or extend the power cord Be sure not to do Be sure to follow the instructionOperation Oxygen deficiency could occur There is risk of explosion or fireKeep level even when installing the product Low refrigerant levels may cause product failureOccupants Salt spray directlySolvents, etc On the product. outdoor unitReplace all the batteries in the remote DisuseDo not drink the water drained from the unit Dimensions Symbols Used in this ManualIndoor Unit Model Btu SeriesModel Btu Series Dimension Mminch 109042.9 30011.8 1787.0 Outdoor Unit 9k, 12k18k, 24k Features IntroductionInstallation Installation PartsInstallation Tools Read carefully, and then follow step by stepAdditional drain pipe Installation MapOperation Indication Lamps Confirm The Refrigerant This Product Contains R-410A RefrigerantRooftop Installations Select The Best LocationIndoor unit Outdoor unitPiping Length And Elevation Evap Moz/ftHow To Mount Installation Plate Drill a Hole In The WallFlaring Work Cut the pipes and the cableBurrs removal Putting nut onIndoor Connecting The PipingIndoor unit installation Wrap the insulation material around the connecting portion Tighten the flare nut with a wrenchConnecting cable Insert the connecting cable into the indoor unitIndoor unit installation Connection Indoor Correct case Incorrect caseConnection Of The Drain Hose Connection Of Piping -OutdoorConnection Of The Cable CapacityInstallation Checking The Drainage Drain pipingDrain hose should point downward for easy drain flow Avoid these situationsForming The Piping Dry nitrogen gas cylinder to this service port Air PurgingAir purging With Vacuum Pump PreparationEvacuation Finishing the jobCharging Btu/hPrepare remote control Test RunningSettlement of outdoor unit Evaluation of the performanceCooling Mode Operation Healthy Dehumidification ModeOperation Function of ControlsHeating Mode Operation Defrost ControlSleep Timer Operation Chaos Natural Wind ModeJet Cool Mode Operation C/O Model Jet Cool Mode Operation H/P ModelForced operation Test operationAuto restart Protection of the evaporator pipe from frostingDisplay Function Self-diagnosis FunctionHeating Model Thermistor open/shortRemote Control Operations Disassembly To remove the Grille from the ChassisWhen repair, do not damage the Caution label To remove the EvaporatorTo remove the Motor Cover Troubleshooting Guide Refrigeration Cycle DiagramCooling Only Models Cooling & Heating ModelsWay, 3-way Valve Way Valve Liquid SideProcedure Pumping DownBalance Refrigerant of the 3-way Valve Vacuum pump Gas Charging After EvacuationMethod of using graph Method of using equationAccording to Indoor & Outdoor Temperature Additional gas chargingCycle Parts Trouble analysisElectronic Parts 9k model Product does not operate at allElectronic 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 When indoor Fan does not operate NectorWhen Vertical Louver does not operate When a comunication error occurs Phenomena in case of connecting error Indoor UnitOutdoor Unit Schematic Diagram Electric Control DeviceOutdoor 9k, 12k Outdoor 18k, 24k Wiring Diagram Models 9k, 12k, 18k, 24kModels 9kC/O Models 12kH/P, 12kC/O, H/P Models 18kC/O Models 18kH/P, 24kC/O, H/P Main P.W.B Assembly TOP View Bottom View Components LocationOutdoor9k, 12k TOP View Bottom ViewOutdoor18k, 24k 6871A20681 6871A20680Product Specifications Cooling OnlyCooling & Heating LS090HP LS120HP LS180HP LS240HPExploded View Outdoor Unit 9k, 12k C/O Seriess Outdoor Unit 9k, 12k H/P Seriess Outdoor Unit 18kC/O Seriess Outdoor Unit 24kC/O Seriess W0CZZBOutdoor Unit 18k, 24k H/P Seriess No MFL32351801 December