LG Electronics LS180HP(AS-H1835DM0) Wrap the insulation material around the connecting portion

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Plastic bands

Installation

Connecting the pipings to the indoor unit and drain hose to drain pipe.

Put a couple drops of refrigerant oil on the face of the flare before assembling taking care not to add any contaminants.

Align the center of the pipings and sufficiently tighten the flare nut by hand.

Wrap the insulation material around the connecting portion.

Overlap the connection pipe insulation material and the indoor unit pipe insulation material. Bind them together with vinyl tape so that there is no

gap.

Insulation material

Indoor unit tubing

Flare nut Pipings

• Tighten the flare nut with a wrench.

Indoor unit tubing

Connection pipe

 

Torque wrench

 

 

Flare nut

 

 

Spanner (fixed)

 

 

Outside diameter

Torque

mm

inch

 

Ø6.35

1/4

1.8

Ø9.52

3/8

4.2

Ø12.7

1/2

5.5

Ø15.88

5/8

6.6

Mount the clamp on the boss with a type "B" screw.(SE-H/P: 9k, 12k C/O: 12k)

Type "B" screw

Drain hose

Clamp

 

Boss

 

When extending the drain hose at the indoor unit, install the drain pipe.

Drain pipe

Indoor unit drain hose

Adhesive Vinyl tape(narrow)

Wrap the area which accommodates the rear piping housing section with vinyl tape.

Connection

Indoor

unit pipe

pipe

 

Vinyl tape

Wrap with vinyl tape

(wide)

 

Connecting cable

Pipe

Vinyl tape(narrow)

Bundle the piping and drain hose together by wrapping them with vinyl tape over the range within which they fit into the rear piping housing

section.

Wrap with vinyl tape

Pipe

Vinyl tape(wide)

Drain hose

For right rear piping

Route the indoor tubing and the drain hose to the required piping hole position.

Drain hose

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

- 22 -

Only for training and service purposes

LGE Internal Use Only

 

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Contents SVC MANUALExploded View Table of Contents Do not modify or extend the power cord Safety PrecautionsInstallation 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 failureSolvents, etc OccupantsSalt spray directly On the product. outdoor unitDo not drink the water drained from the unit DisuseReplace all the batteries in the remote Indoor Unit DimensionsSymbols Used in this Manual Model Btu SeriesModel Btu Series Dimension Mminch 109042.9 30011.8 1787.0 Outdoor Unit 9k, 12k18k, 24k Features IntroductionInstallation Tools InstallationInstallation Parts Read carefully, and then follow step by stepOperation Indication Lamps Installation MapAdditional drain pipe Confirm The Refrigerant This Product Contains R-410A RefrigerantIndoor unit Rooftop InstallationsSelect The Best Location Outdoor unitPiping Length And Elevation Evap Moz/ftHow To Mount Installation Plate Drill a Hole In The WallBurrs removal Flaring WorkCut the pipes and the cable Putting nut onIndoor unit installation Connecting The PipingIndoor Wrap the insulation material around the connecting portion Tighten the flare nut with a wrenchIndoor unit installation Insert the connecting cable into the indoor unitConnecting cable Connection Indoor Correct case Incorrect caseConnection Of The Drain Hose Connection Of Piping -OutdoorConnection Of The Cable CapacityInstallation Drain hose should point downward for easy drain flow Checking The DrainageDrain piping Avoid these situationsForming The Piping Air purging With Vacuum Pump Dry nitrogen gas cylinder to this service portAir Purging PreparationEvacuation Finishing the jobCharging Btu/hSettlement of outdoor unit Prepare remote controlTest Running Evaluation of the performanceOperation Cooling Mode OperationHealthy Dehumidification Mode Function of ControlsHeating Mode Operation Defrost ControlJet Cool Mode Operation C/O Model Sleep Timer OperationChaos Natural Wind Mode Jet Cool Mode Operation H/P ModelAuto restart Forced operationTest operation Protection of the evaporator pipe from frostingHeating Model Display FunctionSelf-diagnosis Function 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 Cooling Only Models Troubleshooting GuideRefrigeration Cycle Diagram Cooling & Heating ModelsWay, 3-way Valve Way Valve Liquid SideProcedure Pumping DownBalance Refrigerant of the 3-way Valve Vacuum pump Gas Charging After EvacuationAccording to Indoor & Outdoor Temperature Method of using graphMethod of using equation 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