LG Electronics LS240CP(AS-C2435DM0), LS090HP(AS-H091E1H0) manual Oxygen deficiency could occur

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Safety Precautions

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

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

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

Moisture may condense and wet or damage furnishings.

Do not store of use flammable gas or combustibles near the air conditioner.

There is risk of fire or product fail- ure.

Do not use the product in a tightly closed space for a long time.

Oxygen deficiency could occur.

Some ventilation by opeing win- dow is necessary for the fresh air.

Stop operation and close any window in storm or hurricane. before the hurricane arrives.

There is risk of property damage, failure of product, or electric shock.

When flammable gas leaks, turn off the gas and open a window for venti- lation before turning the product on. Do not use the telephone or turn switches on or off.

• There is risk of explosion or fire.

Do not open the inlet grill of the product during operation. (Do not touch the electrostatic filter, if the unit is so equipped.)

There is risk of physical injury, electric shock, or product.

Wax

Thinner

 

Unplug the unit if strange sounds odors or smoke comes from it.

There is risk of fireproduct failure and/or electric shock.

When the product is soaked (flooded or submerged), contact an Authorized Service Center.

• There is risk of electrical shock.

Copyright ©2007 LG Electronics. Inc. All right reserved.

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Only for training and service purposes

LGE Internal Use Only

 

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Contents SVC MANUALExploded View Table of Contents Installation Safety PrecautionsDo not modify or extend the power cord Be sure not to do Be sure to follow the instructionOperation There is risk of explosion or fire Oxygen deficiency could occurLow refrigerant levels may cause product failure Keep level even when installing the productSalt spray directly OccupantsSolvents, etc On the product. outdoor unitReplace all the batteries in the remote DisuseDo not drink the water drained from the unit Symbols Used in this Manual DimensionsIndoor Unit Model Btu SeriesModel Btu Series Dimension Mminch 109042.9 30011.8 1787.0 9k, 12k Outdoor Unit18k, 24k Introduction FeaturesInstallation Parts InstallationInstallation Tools Read carefully, and then follow step by stepAdditional drain pipe Installation MapOperation Indication Lamps This 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 onIndoor Connecting The PipingIndoor unit installation Tighten the flare nut with a wrench Wrap the insulation material around the connecting portionConnecting cable Insert the connecting cable into the indoor unitIndoor unit installation Connection Indoor Incorrect case Correct caseConnection Of Piping -Outdoor Connection Of The Drain HoseCapacity Connection Of The CableInstallation Drain piping Checking The DrainageDrain hose should point downward for easy drain flow Avoid these situationsForming The Piping Air Purging Dry nitrogen gas cylinder to this service portAir purging With Vacuum Pump PreparationFinishing the job EvacuationBtu/h ChargingTest 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 frostingSelf-diagnosis Function Display FunctionHeating Model Thermistor open/shortRemote Control Operations To remove the Grille from the Chassis DisassemblyTo remove the Evaporator When repair, do not damage the Caution labelTo 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 Models 9k, 12k, 18k, 24k Wiring DiagramModels 9kC/O Models 12kH/P, 12kC/O, H/P Models 18kC/O Models 18kH/P, 24kC/O, H/P Components Location Main P.W.B Assembly TOP View Bottom ViewTOP View Bottom View Outdoor9k, 12kOutdoor18k, 24k 6871A20680 6871A20681Cooling Only Product SpecificationsLS090HP LS120HP LS180HP LS240HP Cooling & HeatingExploded View Outdoor Unit 9k, 12k C/O Seriess Outdoor Unit 9k, 12k H/P Seriess Outdoor Unit 18kC/O Seriess W0CZZB Outdoor Unit 24kC/O SeriessOutdoor Unit 18k, 24k H/P Seriess No MFL32351801 December