LG Electronics LF300CP(LP-C303R20), LF480CE(LP-C483TA0) service manual Soft Dry Operation Mode

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8.Soft Dry Operation Mode

During Soft Dry Operation, the compressor ON temperature is the setting temperature plus 2°C(3.6°F), the compressor OFF temperature is the setting temperature minus 1°C(1.8°F).

When the room temperature rises over the compressor ON temperature, the operation mode is switched to the Cooling mode.

When the room temperature falls between the compressor ON temperature and OFF temperature, the operation mode is switched to the Soft Dry Operation.

The operation diagram is shown below.

Intake Air Temp.

Operation

 

Dry operation

 

Cooling

 

 

 

Cooling

 

 

operation

 

 

 

 

 

 

 

 

 

Setting Temp. +2°C(3.6°F)

 

 

 

 

 

 

 

 

(Compressor ON)

 

 

 

 

 

 

 

 

Setting Temp. -1°C(1.8°F)

 

3 min.

10 min.

maximum

 

3 min.

maximum

 

(Compresso OFF)

 

 

 

 

7 min.

 

10 min.

 

 

 

 

 

 

 

 

Indoor Fan Speed

Selecting

LOW

LOW

LOW

Selecting

LOW

LOW

LOW

fan speed

fan speed

 

 

 

 

 

 

 

Compressor

ON

OFF

ON

OFF

ON

OFF

ON

OFF

9.Protection of the evaporator pipe from frosting

Compressor and outdoor fan stop when indoor pipe temperature is below -2°C(28.4°F) and restart at the pipe temperature is above 12°C(53.6°F).

10.Air Purifying Operation(AP-Z286RC0, AP-Z286R20, AP-Z488TC0)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mode Selecting

 

 

 

Operating Mode

 

 

 

 

Fan Speed

 

 

 

Outdoor

 

 

 

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Initial Starting of

 

 

 

- Outdoor not operating

 

 

 

- Low at the initial

 

 

 

 

 

 

 

 

 

 

 

 

Air purifying

 

 

 

- Fan operating + Air

 

 

 

 

 

- But could be

 

 

 

 

OFF

 

 

 

Repress Air

 

 

Operation

 

 

 

 

 

 

 

 

switched to Med. Hi

 

 

 

 

 

 

 

 

 

 

 

purifying operating

 

 

 

 

 

 

 

 

 

 

 

 

 

purifying

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Button or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON/OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ON or OFF

 

 

 

When switched to

 

 

- Outdoor operating

 

 

Selecting Speed of

 

 

 

 

 

Button

 

 

 

 

 

 

 

 

 

depend on main

 

 

 

Air purifying

 

 

- Main Operating +

 

 

Main Operating Mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

operating

 

 

 

 

 

 

operation

 

 

 

Air purifying operating

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

condition.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

11. Child Lock function

This function is to operate Air conditioner only by Remocon.

The procedure is as the following

1st: Press the 2 buttons of the temperature control simultaneously, to raise-to lower on the Display Panel of the product for more 3 seconds.

2nd: The buzzer sounds and then the window of Display Panel shows CL (CL) mark.

3rd: To release this function, the reverse again the operating procedure could be done.

During this function is operating, any buttons of Display Panel don't work. But it is possible to operate with Remote controller.

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Contents Floor Standing Type Air Conditioner Model LF300CPLP-C303R20 LF480CELP-C483TA0Contents Safety Precautions InstallationDo not install, remove, or re Do not install the product on aDefective installation stand OperationalBe cautious that water could not enter the product Do not step on or put anyting on the product. outdoor units Keep level even when installing the productUse two or more people to lift and transport the product Functions Indoor UnitRemote Control Timer ControlFan Operation Airflow Direction ControlOutdoor Fan Speed Control Outdoor UnitDeice Control Product Specifications CapacityOutdoor Unit LPUC303R20 LF300CP DimensionsIndoor Unit LPNC303R20 LF300CP Indoor Unit Outdoor UnitIndoor Unit LPNC483TA0 LF480CE Door Unit LPUC483TA0 LF480CEItems Air Outlet Vent Air Inlet Vent Control display Wiring Diagram OutdoorLF480CELP-C483TA0 Outdoor Time Delay Safety Control Cooling Mode OperationOff Timer Function Operation DetailsHeating Mode Operation Hot-Start Control Defrost ControlSoft Dry Operation Mode Protection of the evaporator pipe from frostingAir Purifying OperationAP-Z286RC0, AP-Z286R20, AP-Z488TC0 Child Lock functionAlarm mode display / only displayed while operating Energy SavingOperation or Cancel Function for test operationOutline of Operation FunctionCooling Only Model Installation of Indoor, Outdoor UnitSelection of the best location Refrigerant amount Indoor Unit installationOutdoor unit Installation Connection of power supply Test runningEvaluation of the performance Operate the unit for fifteen minutes or moreHand Over Troubleshooting Guide Failures to StartNo cooling and heating operation performed Only blowers do not workOnly outdoor fan does not work Only compressor does not workUnits discontinue after the operation started Unit is working, but not cooling and heating sufficiently Both blower and compressor are workingFault Cause Check/Correcitve Action Trouble checking by protection devicesCause for frequent stop and start operation Electronic Parts Troubleshooting Guide No cooling operation performedIndoor fan does not operate Airflow Direction does not operate Remote control does not operate Timer control does not operate. Replacement Micom Unit does not operateNo heating operation works No heater operation works Exploded View and Replacement Parts List Model LF300CPLP-C303R20W1WE Model LF480CELP-C483TA0 W0CZZ 435512 559010 546810 554030 Model LF480CELP-C483TA0 December No A20156T