LG Electronics LA120HPI Auto Operation Electronic control mode, Auto Operation for Cooling

Page 38

Operation

. Auto Operation (Electronic control mode)

•The operation procedure is shown below. (Cooling & Heating Model)

Press Start/Stop Button

Select Auto Operation Mode

Check the Room temperature

Operation mode

Indoor fan speed

are decided automatically by the unit electronic control.

Setting temperature

Intake-air

below 70°F

Over

~

below

Over 76°F

temperature

70°F

76°F

Operation Mode

Heating

Soft Dry

Cooling

❋If initial mode is decided, that mode is continued without the room temperature changing.

■Auto Operation for Cooling

Operation Condition

Intake-air Temperature

Setting Temperature

Fan Speed

Air Direction Control

Over 78°F

77°F

Over 76°F~below 78°F

Intake air -1°C

In this mode,

When Auto Operation

Over 72°F~below 76°F

Intake air -0.5°C

when pressing

initial start

the vertical air

Controlled by

Over 68°F~below 72°F

Intake air temperature

direction control

the electronic

button, vertical

below 64°F

64°F

control

louver swings up

and down

When pressing room

Over 64°F~below 86°F

Electronic control

temperature setting

automatically.

below 64°F

64°F

button during Auto

Operation

over 86°F

86°F

INTAKE AIR TEMP.

SETTING TEMP. +1°F

(Compressor OFF)

SETTING TEMP. -1°F

(Compressor ON)

INDOOR FAN SPEED

The electronic control operation

COMPRESSOR

ON

OFF

ON

OFF

38Room Air Conditioner

Image 38

Contents Room Air Conditioner Table of Contents Do not use damaged power cords, plugs, or a loose socket Safety PrecautionsInstallation Install the panel and the coverDo not install the product on a defective installation stand OperationDo not use the product in a tight When flammable gas leaks, turnDo not place a heater or other Sounds, odors, or smoke comesKeep level even when installing That water is drained away propCial purposes, such as preserv Product when removingDo not use the product for spe Ing foods, works of art, etc. It is aIt is not sanitary and could cause DisuseOutlet while the air conditioner is Indoor Unit DimensionsSymbols Used in this Manual Outdoor Unit 9k, 12k ModelsProduct Specifications ModelsInstallation Tools InstallationInstallation Parts Installation Map Confirm The Refrigerant This Product Contains R-410A RefrigerantIndoor unit Rooftop InstallationsSelect the best Location Outdoor unitOil trap should be installed every 16.4~23feets 5~7 meters Piping Length and ElevationCover pipe and cover side remove Preparing Work for InstallationOpen panel front Drain hose junctionCase of nothing wrong, connect Pipe and the wire. Refer to installationFixing Indoor Unit Flaring work and connection of piping Flaring WorkIndoor Connecting the PipingCheck Foamed polyethylene or equivalent is recommendedWrap the insulation material around the connecting portion Indoor unit tubing Flare nut PipingsFor right piping. Follow the instruction below Good case Bad caseConnection of Piping -Outdoor Connecting the Cables Connection method of the connecting cableExample How to connect wiring to the terminalsConnecting the cable between indoor unit and outdoor unit Drain piping Checking the DrainageTo check the drainage Forming the Piping Air purging with vacuum pump Air PurgingAir purging Finishing the job Soap water methodEvacuation Charging Panel Front Assembly Settlement of outdoor unit Prepare remote controllerTest Running Evaluation of the performancePump Down Procedure Pump DownHow to replace picture & photograph Operation FunctionsCooling Operation Mode Time delay Safety ControlChaos Swing Mode Function of main controlAuto Operation Electronic control mode Auto Operation for CoolingAuto Operation for Heatingonly Heating Model Healthy DehumidificationAuto Operation for Dehumidificationonly Heating Model Heating Operation Modeonly Heating Model Hot-Start ControlHeating Mode with the Sleep Modeonly Heating Model Cooling or Heating Mode with Sleep Mode Auto ControlCooling Mode with the Sleep Mode Cooling Heat pump Model Auto restartForced Operation Test operationSelf-diagnosis Function Signal ReceptorDisplay Function Operation Indication LampsNd F Button Remote Control OperationsControls To remove the Control Box DisassemblyTo remove the Grille from the Chassis To remove the Motor To remove the Evaporator. Remove hole tubing holdeBefore removing the Turbo Fan Schematic Diagram Heat Pump/Cooling Only SeriesIndoor UnitHeat Pump Series/ Cooling Only Series Outdoor Unit Indoor Unit P.W.B. Assembly No A20999A PCB ASSEMBLY, Main Top View Bottom ViewOutdoor Unit P.W.B. Assembly No A20901C PCB ASSEMBLY, Main Top View Bottom ViewNo A20921A PCB Assembly Display P.W.B. ASMWiring Diagram Outdoor UnitCooling Only Models, & Heating Models Troubleshooting Guide Refrigeration Cycle DiagramPiping Length and Elevation Pumping Down ProcedureWay Valve Air purging of the charge hoseRe-air purging Balance refrigerant of the 3-way valve Gas leakageEvacuation All amount of refrigerant leakedConnect the charge hose to the charging cylinder Gas ChargingAfter Evacuation Purge the air from the charge hoseAccording 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 allProduct is not operate with the remote controller Compressor/Outdoor Fan are unable to drive 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 Voltage of Connectors according to Indoor Fan Speed RY-COMP-BExploded View Indoor UnitOutdoor Unit Replacement Parts List Parts ListIndoorParts ListOutdoor December No A20926C