LG Electronics LSC183VMA service manual Fuzzy Operation C/O Model, Fuzzy Operation H/P Model

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■Fuzzy Operation (C/O Model)

•According to the temperature set by Fuzzy rule, when the intake air temp is 0.5°C or more below the setting temp, the compressor is turned off. When 0.5°C or more above the setting temp, the compressor is turned on.

Compressor ON Temp

➲ Setting Temp + 0.5°C

Compressor OFF Temp

➲ Setting Temp + 0.5°C

•At the beginning of Fuzzy mode operation, the setting temperature is automatically selected according to the intake air temp at that time.

26°C ≤

Intake Air Temp

➲ 25°C

24°C ≤

Intake Air Temp < 26°C

➲ Intake Air Temp + 1°C

22°C ≤

Intake Air Temp < 24°C

➲ Intake Air Temp + 0.5°C

18°C ≤

Intake Air Temp < 22°C

➲ Intake Air Temp

Intake Air Temp<18°C

➲ 18°C

•When the Fuzzy key (Temperature Control key) is input after the initial setting temperature is selected, the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule.

•While in Fuzzy operation, the airflow speed of the indoor fan is automatically selected according to the temperature.

■Fuzzy Operation (H/P Model)

•When any of operation mode is not selected like the moment of the power on or when 3 hrs has passed since the operation off, the operation mode is selected.

•When determining the operation mode, the compressor, the outdoor fan, and the 4 way valve are off and only the indoor fan is operated for 15 seconds. Then an operation mode is selected according to the intake air temp at that moment as follows.

24°C ≤

Inatake Air Temp

➲ Fuzzy Operation for Cooling

21°C ≤

Inatake Air Temp<24°C

➲ Fuzzy Operation for Dehumidification

Inatake Air Temp<21°C

➲ Fuzzy Operation for Heating

•If any of the operation modes among cooling / dehumidification / heating mode operations is carried out for 10 sec or longer before Fuzzy operation, the mode before Fuzzy operation is operated.

1)Fuzzy Operation for Cooling

•According to the setting temperature selected by Fuzzy rule, when the intake air temp is 0.5°C or more below the setting temp, the compressor is turned off. When 0.5°C or more above the setting temp, the compressor is turned on.

Compressor ON Temp

➲ Setting Temp +0.5°C

Compressor OFF Temp

➲ Setting Temp + 0.5°C

•At the beginning of Fuzzy mode operation, the setting temperature is automatically selected according to the intake air temp at that time.

26°C≤

Intake Air Temp

➲ 25°C

24°C≤

Intake Air Temp<26°C

➲ Intake Air Temp + 1°C

22°C≤

Intake Air Temp<24°C

➲ Intake Air Temp + 0.5°C

18°C≤

Intake Air Temp<22°C

➲ Intake Air Temp

Intake Air Temp<18°C

➲ 18°C

•When the Fuzzy key (Temperature Control key) is input after the initial setting temperature is selected, the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule.

•While in Fuzzy operation, the airflow speed of the indoor fan is automatically selected according to the tem- perature.

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Contents Room Air Conditioner Contents Code Type Code of Model Meaning Details of 2003 LG Model NameIndoor Unit FunctionsRoom, Temperature Checking Operation ON/OFF Operation Mode SelectionTemperature Setting Setting the Time or Timer Timer SelectionLSC183VMA Product ReferencesIndoor Unit DimensionsIndoor Unit Gas side Outdoor Unit 18KCooling Only Models Refrigeration Cycle Diagram18K Cooling Only Models Wiring DiagramHealthy Dehumidification Mode Cooling Mode OperationOperation Details Defrost Control Heating Mode OperationFuzzy Operation H/P Model Fuzzy Operation C/O ModelFuzzy Operation for Cooling Airflow Speed Selection On-Timer OperationFuzzy Operation for Dehumidification Fuzzy Operation for HeatingOff-Timer ↔ On-Timer Operation Off-Timer OperationSleep Timer Operation Chaos Swing ModeRemote Control Operation Mode Jet Cool Mode Operation H/P ModelForced Operation Test operationDisplay Function Compressor on IndicatorSelf-diagnosis Function Heating ModelInstallation of indoor, Outdoor unit InstallationSelect the best location Piping length and elevationOpen panel front Preparing work for InstallationCover pipe and cover side remove Drain hose junctionHow to fix installation plate Flaring work Flaring Work and Connection of PipingConnection of piping Indoor Wrap the insulation material around the connecting portion Indoor unit installationBad case Installation Information For right piping Good caseConnection of the pipes-Outdoor For right piping. Follow the instruction belowConnection of the cable Connecting The Cable Between Indoor Unit and Outdoor UnitFor strand wiring Connection method of the connecting cableExampleChecking the drainage Checking the Drainage and forming the pipingsForm the piping To check the drainageConnect the cable to the indoor unit Circuit Breaker Use a circuit breaker or time delay fuseAir purging Air PurgingAir purging with vacuum pump PreparationFinishing the job EvacuationDrive three screws Panel Front AssemblyPump Down Procedure Prepare remote controlTest Running Settlement of outdoor unitOperation Name and Function-Remote ControlTo remove the Control Box To remove the Grille from the ChassisBefore removing the Turbo Fan To remove the EvaporatorTo remove the Motor Way Valve Liquid Side Way, 3-way ValveAir purging ProcedureCheck for gas leakage Purge the air from the systemAir purging of the charge hose Pumping downSet the 2-way valve to the closed position Re-air purging Gas leakage Balance refrigerant of the 2-way, 3-way valvesAll amount of refrigerant leaked EvacuationAfter Evacuation Gas ChargingConnect the charge hose to the charging cylinder Purge the air from the charge hoseTrouble analysis Cycle Troubleshooting GuideYES Product is not operate with the remote controller Compressor/Outdoor Fan are unable to drive Check connecting condition of the CN-MOTOR Connector 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 No. of pins Voltage of Connectors according toIndoor Fan Speed Main PWB ASSYIndoor Unit Electronic Control DeviceModel Main PWB ASSYOutdoor UnitDisplay PWB Assembly SUB PCB ASM Indoor UnitMicom Outdoor UnitExploded View and Replacement Parts List Location Description Remarks LSC183VMA Parts ListindoorW0CZZ Outdoor unit18KLocation Description QTY Remarks LSC183VMA Parts ListoutdoorMemo Memo August
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