LG Electronics AMNH123DEA0(LMN120HE) service manual Airflow Speed Selection, On-Timer Operation

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Operation

2)Fuzzy Operation for Dehumidification

•According to the setting temperature selected by Fuzzy rule, when the intake air temp is 0.5°C(32.9°F) or more below the setting temp, the compressor is turned off. When 0.5°C(32.9°F) or more above the setting temp, the compressor is turned on.

Compressor ON Temp

➲ Setting Temp + 0.5°C(32.9°F)

Compressor OFF Temp

➲ Setting Temp+0.5°C(32.9°F)

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

26°C(78.8°F) ≤

Intake Air Temp

➲ 25°C(77°F)

24°C(75.2°F) ≤

Intake Air Temp<26°C(78.8°F)

➲ Intake Air Temp+1°C(33.8°F)

22°C(71.6°F) ≤

Intake Air Temp<24°C(75.2°F)

➲ Intake Air Temp+0.5°C(32.9°F)

18°C(64.4°F) ≤

Intake Air Temp<22°C(71.6°F)

➲ Intake Air Temp

Intake Air Temp<18°C(64.4°F)

➲ 18°C(64.4°F)

•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 repeats the low airflow speed or pause as in dehumidification operation.

3)Fuzzy Operation for Heating

•According to the setting temperature selected by Fuzzy rule, when the intake air temp is 3°C(37.4°F) or more above the setting temp, the compressor is turned off. When below the setting temp, the compressor is turned on.

Compressor ON Temp

➲ Setting Temp

Compressor OFF Temp

➲ Setting Temp + 3°C(37.4°F)

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

20°C(68°F)≤ Intake Air Temp

➲ Intake Air Temp + 0.5°C(32.9°F)

Intake Air Temp<20°C(68°F)

➲ 20°C(68°F)

•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 set to the high or the medium according to the intake air temperature and the setting temperature.

■Airflow Speed Selection

•The airflow speed of the indoor fan is set to high, medium, low, or power (auto) by the input of the airflow speed selection key on the remote control.

■On-Timer Operation

•When the set time is reached after the time is input by the remote control, the appliance starts to operate.

•The timer LED is on when the on-timer is input. It is off when the time set by the timer is reached.

•If the appliance is operating at the time set by the timer, the operation continues.

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

■Off-Timer Operation

•When the set time is reached after the time is input by the remote control, the appliance stops operating.

•The timer LED is on when the off-timer is input. It is off when the time set by the timer is reached.

42Multi type Air Conditioner

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Contents Indoor Unit Room Type Art Cool Type Outdoor Unit A3UH363FA0LMU360HE A3UC363FA0LMU360CETable of Contents Model Number Nomenclature Indoor UnitOutdoor Unit Symbols Used in this Manual Combination tableBe sure not to do Be sure to follow the instruction Safety PrecautionsInstallation Control box securely Cuit and breakerBe sure the installation area does not deteriorate with age Do not place anything on the power cableBe cautious when unpacking OperationSmoke comes from product Nect the power supply cableDo not allow water to run into electric parts Hurricane arrivesInstalling the product When the product is soakedInstall the drain hose to ensure that Keep level even when Not enter the productVents, etc OperationalAir flow Not use harsh detergents, solDo not step on or put anyting on the product. outdoor units Ly. Clean the filter every twoWhen cleaning or maintaining Do not drink the water drained from the productDimensions Indoor UnitSplit Type Indoor Outdoor Unit Product Specifications Indoor UnitOutdoor Unit Multiple piping models Model A3UC363FA0LMU360CE A3UH363FA0LMU360HEInstallation Installation PartsInstallation Tools Rooftop Installations Select the best locationOutdoor unit Piping length and elevation Multi Piping TypeFixing Installation PlateStandard Type Remove cover pipe and cover side Preparing work for Installation Artcool Type OnlyOpen panel front Drain hose junctionDrill a hole in the wall Sticking the installation guide map and fixing Indoor unitPut an Installation Guide Map on the desired surface Drive the fore plastic anchors into drilled pointsFlaring Work and Connection of Piping Flaring workConnecting the Piping CheckIndoor Wrap the insulation material around the connecting por- tion For left rear piping Plastic bands Insulation material Connection Indoor Panel AssemblyArt Cool Type only Drive two screwsGood case Bad caseRemote Control Preparationoptional Outdoor Outdoor unitConnecting the Cable between Indoor Unit and Outdoor Unit Connect the cable to the Indoor unitConnect the cable to the Outdoor unit Outdoor unitConnection method of the connecting cableExample How to connect wiring to the terminalsConnect the cable to the indoor unit Checking the drainage To check the drainageDrain piping Forming the piping Preparation Air Purging and EvacuationChecking method Leakage testRepeat evacuation procedure for each indoor unit EvacuationFinishing the job Charging Additional Test Running Split, Art Cool TypeHeating Mode Operation Cooling Mode OperationSoft Dry Operation Mode OperationDefrost ControlHeating Fuzzy OperationFuzzy Operation for Cooling Airflow Speed Selection On-Timer OperationOff-Timer Operation Fuzzy Operation for DehumidificationChaos Swing Mode Off-Timer = On-Timer OperationSleep Timer Operation Chaos Natural Wind ModeForced Operation Buzzer Sounding OperationFunction of Indoor Unit Split Type Indoor UnitOperation IndicatorArt Cool Type Indoor Unit DefrostDeice control HeatingFunction of Outdoor Unit Remote Control Operation Cooling Model , Heat Pump Model15 2nd F Button Disassembly To remove the Grille from the ChassisTo remove the Control Box To remove the Motor Cover To remove the Control Box To remove the Evaporator Before removing the Turbo FanTo remove the Motor Schematic Diagram Electronic Control DeviceSplit Type Outdoor Outdoor Unit Schematic Diagram Wiring Diagram Art Cool Type Indoor UnitComponents Locations Bottom ViewArt Cool Type Schematic Diagram Component side Solder side A3UH363FA0LMU360HE Troubleshooting GuideRefrigeration Cycle Diagram A3UC363FA0LMU360CEError Indicator Indoor ErrorOutdoor Error Self-diagnosis FunctionCycle Troubleshooting Guide Trouble analysisElectronic Parts Troubleshooting Guide Procedure Specification RemedyProduct doesnt operate with the remote controller Compressor/Outdoor Fan are dont operate Check Point Comp. on Comp. OFFTrouble 4 When indoor Fan does not operate NectorTroubleshooting Guide Indoor air sensor Error CodeCheck Point Indoor inlet pipe sensorPower input AC 230V.Outdoor, Indoor Communication line is shorted at GNDError Title Cause of error Check point & Normal condition Condensor pipe sensor Title Cause of error Check point & Normal conditionOutdoor air sensor Pipe sensorWay, 3-way Valve Way Valve Liguid SideAir purging of the charge hose ProcedurePumping down Set the liquid side valve to the closed positionMount the valve caps and the service port caps EvacuationAll amount of refrigerant leaked After Evacuation Mount the valve stem nuts and the service port nutGas Charging Connect the gauge to the charging cylinderExploded View & Replacement Parts List S4, SE chassisParts List S4, SE chassis S4 chassis SE chassisLMN090HE SP3 Chassis Art Cool Type Parts List SP3 chassis Filter ASSEMBLY,AIR CleanerA3UC363FA0LMU360CE Parts List A3UH363FA0LMU360HE, A3UC363FA0LMU360CE CodeMay No A20474C
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