LG Electronics LS120CP(AS-C121E1H0) manual Function of Controls, Cooling Mode Operation

Page 35

Operation

Operation

FunctionofControls

• DISPLAY

1) C/O Model

Operation Indicator

ON while in appliance operation, OFF while in appliance pause.

Flashing while in disconnection or short in Thermistor. (3 sec off / 0.5 sec on)

Timer Indicator

• ON while in timer mode (on/off), OFF when timer mode is completed or canceled.

Comp. Running Incidator

While in appliance operation, ON while in outdoor unit compressor running, OFF while in compres- sor off.

2)H/P Model

Operation Indicator

ON while in appliance operation, OFF while in appliance pause.

Flashing while in disconnection or short in Thermistor. (3 sec off / 0.5 sec on)

Timer Indicator

• ON while in timer mode (on/off), OFF when timer mode is completed or canceled.

Defrost Indicator

OFF except when hot start during heating mode operation or while in defrost control.

Cooling Mode Operation

When the intake air temperature reaches 0.5°C below the setting temp, the compressor and the out- door fan stop.

When it reaches 0.5°C above the setting temp, they start to operate again.

Compressor ON Temp

Setting Temp+0.5°C

Compressor OFF Temp

Setting Temp-0.5°C

While in compressor running, operating with the airflow speed set by the remote control. While in compressor not running, operating with the low airflow speed regardless of the setting.

Healthy Dehumidification Mode

When the dehumidification operation input by the remote control is received, the intake air tempera- ture is detected and the setting temp is automatically set according to the intake air temperature.

26°C

Intake Air Temp

25°C

24°C

Intake Air Temp<26°C

Intake Air Temp-1°C

18°C

Intake Air Temp<24°C

Intake Air Temp-0.5°C

Intake Air Temp<18°C

18°C

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

- 35 -

Only for training and service purposes

LGE Internal Use Only

 

Image 35
Contents SVC MANUALExploded View Table of Contents Be sure not to do Be sure to follow the instruction Safety PrecautionsInstallation Do not modify or extend the power cordOperation There is risk of explosion or fire Oxygen deficiency could occurLow refrigerant levels may cause product failure Keep level even when installing the productOn the product. outdoor unit OccupantsSalt spray directly Solvents, etcReplace all the batteries in the remote DisuseDo not drink the water drained from the unit Model Btu Series DimensionsSymbols Used in this Manual Indoor UnitModel Btu Series Dimension Mminch 109042.9 30011.8 1787.0 9k, 12k Outdoor Unit18k, 24k Introduction FeaturesRead carefully, and then follow step by step InstallationInstallation Parts Installation ToolsAdditional drain pipe Installation MapOperation Indication Lamps This Product Contains R-410A Refrigerant Confirm The RefrigerantOutdoor unit Rooftop InstallationsSelect The Best Location Indoor unitEvap Moz/ft Piping Length And ElevationDrill a Hole In The Wall How To Mount Installation PlatePutting nut on Flaring WorkCut the pipes and the cable Burrs removalIndoor 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 Avoid these situations Checking The DrainageDrain piping Drain hose should point downward for easy drain flowForming The Piping Preparation Dry nitrogen gas cylinder to this service portAir Purging Air purging With Vacuum PumpFinishing the job EvacuationBtu/h ChargingEvaluation of the performance Prepare remote controlTest Running Settlement of outdoor unitFunction of Controls Cooling Mode OperationHealthy Dehumidification Mode OperationDefrost Control Heating Mode OperationJet Cool Mode Operation H/P Model Sleep Timer OperationChaos Natural Wind Mode Jet Cool Mode Operation C/O ModelProtection of the evaporator pipe from frosting Forced operationTest operation Auto restartThermistor open/short Display FunctionSelf-diagnosis Function Heating ModelRemote 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 Cooling & Heating Models Troubleshooting GuideRefrigeration Cycle Diagram Cooling Only ModelsWay Valve Liquid Side Way, 3-way ValvePumping Down ProcedureBalance Refrigerant of the 3-way Valve Vacuum pump After Evacuation Gas ChargingAdditional gas charging Method of using graphMethod of using equation According to Indoor & Outdoor TemperatureTrouble 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