LG Electronics LA120CPO Auto restart, Forced Operation, Cooling Heat pump Model, Test operation

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Operation

8. Forced Operation

Operation procedures when the remote control can't be used.

The operation will be started if the power button is pressed.

If you want to stop operation, re-press the button.

 

 

 

 

ON/OFF

 

 

 

 

 

button

 

 

 

 

 

 

 

 

 

Cooling

 

Heat pump Model

 

 

 

 

 

 

 

 

 

Model

Room Temp. 76°F(24°C)

70°F(21°C) Room Temp. < 76°F(24°C)

Room Temp. < 70°F(21°C)

 

 

 

 

 

 

 

Operating mode

Cooling

Cooling

Healthy Dehumidification

Heating

 

 

 

 

 

 

 

Indoor FAN Speed

High

High

Healthy Dehumidification Rule

High

 

 

 

 

 

 

 

Setting Temperature

72°F(22°C)

72°F(22°C)

74°F(23°C)

76°F(24°C)

 

 

 

 

 

 

Test operation

 

 

 

 

During the TEST OPERATION, the unit operates in cooling mode at high speed fan, regardless of room tempera- ture and resets in 18 minutes.

During test operation, if remote controller signal is received, the unit operates as remote controller sets.

If you want to use this operation, Press and hold the ON/OFF button for 3~5 seconds, then the buzzer sound 1 "beep".

If you want to stop the operation, re-press the button.

9. Auto restart

In case the power comes on again after a power failure, Auto Restarting Operation is the function to operate procedures automatically to the previous operating conditions.

So there is no need of activating this function by pressing any key or button.

In the initial mode, the fan operates at a low speed and the compressor starts 2.5~3 minutes later. As the compressor starts, the fan speed also resumes its previous setting mode.

High Speed

Helpful information

Fan speed and cooling capacity.

The cooling capacity indicated in the specification is the value when the fan speed is set to high, and the capacity will be lower at low or medium fan speed.

High fan speed is recommended when you wish to cool the room quickly.

NOTICE

Auto restart function has set enable as factory default.

But customer can set up by following this instruction.

To be disable function

- Press and hold the ON/OFF button for 6 seconds, then the buzzer sound 2 "beep" and the indicator lamp (1) blinks 4 times.

To be enable function

-Press and hold the ON/OFF button for 6 seconds, then the buzzer sound 2 "beep" and the indicator lamp (1) brights 4 times.

42Room Air Conditioner

Image 42
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 aDisuse Outlet while the air conditioner isIt is not sanitary and could cause Dimensions Symbols Used in this ManualIndoor Unit Outdoor Unit 9k, 12k ModelsProduct Specifications ModelsInstallation Installation PartsInstallation Tools 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 junctionPipe and the wire. Refer to installation Fixing Indoor UnitCase of nothing wrong, connect 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 Checking the Drainage To check the drainageDrain piping Forming the Piping Air Purging Air purgingAir purging with vacuum pump Soap water method EvacuationFinishing the job 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 CoolingHealthy Dehumidification Auto Operation for Dehumidificationonly Heating ModelAuto Operation for Heatingonly Heating Model Heating Operation Modeonly Heating Model Hot-Start ControlCooling or Heating Mode with Sleep Mode Auto Control Cooling Mode with the Sleep ModeHeating Mode with the Sleep Modeonly Heating Model Cooling Heat pump Model Auto restartForced Operation Test operationSelf-diagnosis Function Signal ReceptorDisplay Function Operation Indication LampsRemote Control Operations ControlsNd F Button Disassembly To remove the Grille from the ChassisTo remove the Control Box To remove the Evaporator. Remove hole tubing holde Before removing the Turbo FanTo remove the Motor 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