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P/NO : MFL42262801 www.lg.com
OWNER’S MANUAL
AIR CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH
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  • Page 1

    ENGLISHITALIANOESPAOLFRANAISOWNERS MANUALAIR CONDITIONERDEUTSCHPlease read this manual carefully before operatingyour set and retain it for future reference.P/NO : MFL42262801www.lg.com
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    Room Air Conditioner Owners ManualTABLE OF CONTENTSA. Safety Precautions ..............................3B. Electrical Safety...................................6Temporary Use of an Adapter ...............6Temporary Use of an Extension Cord ...6Symbols used in this Manual.................6C. Product Introduction...........................7Indoor Units ...........................................7Operation Indication Lamps ..................8Outdoor Unit ..........................................8D. Operating Instructions........................9How to insert the Batteries ....................9Wireless Remote ControllerMaintenance..........................................9Operating Method..................................9Wireless Remote Controller.................10Operation Mode...................................11Healthy Dehumidification Operation....12Auto Operation(Cooling Only Model)...........................12Auto Changeover Operation(Heat Pump Model) .............................12Jet Cool/Heat Operation......................13NEO PLASMA Purification Operation(Optional).............................................13Auto Clean (Optional)..........................13Energy-Saving Cooling Mode(Optional).............................................14Forced operation .................................14Sleep Mode .........................................15Setting the Current Time .....................15Timer Setting .......................................15Vertical / Horizontal Airflow DirectionControl (Optional) ................................16Air Circulation Mode ............................16Auto Restart Function..........................16E. Maintenance and Service..................17Indoor Unit...........................................17How to replace picture & photograph ..20Outdoor Unit ........................................21Operation Tips!....................................21Self-Diagnosis Function ......................21Troubleshooting Tips! Savetime and money!..................................22Call the service immediatelyin the following situations.....................222 Room Air ConditionerFOR YOUR RECORDSWrite the model and serial numbers here:Model #Serial #You can find them on a label on the side of each unit.Dealer's NameDate Purchased Staple your receipt to this page in the event you needit to prove date of purchase or for warranty issues.READ THIS MANUALInside you will find many helpful hints on how to useand maintain your air conditioner properly. Just a littlepreventive care on your part can save you a great dealof time and money over the life of your air conditioner.You'll find many answers to common problems in thechart of troubleshooting tips. If you review our chart ofTroubleshooting Tips first, you may not need to callfor service at all.PRECAUTION Contact the authorized service technician forrepair or maintenance of this unit. Contact the installer for installation of this unit. The air conditioner is not intended for use byyoung children or invalids without supervision. Young children should be supervised to ensurethat they do not play with the air conditioner. When the power cord is to be replaced,replacement work shall be performed byauthorized personnel only using only genuinereplacement parts.
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    Safety PrecautionsSafety PrecautionsThis symbol indicates the possibility of death or serious injury.This symbol indicates the possibility of injury or damage. Meanings of symbols used in this manual are as shown below.Be sure not to do.Be sure to follow the instruction.Always use a power plug and socket witha ground terminal. There is a risk of electric shock.For electrical work, contact the dealer, seller,a qualified electrician, or an AuthorizedService Center. Do not disassemble or repairthe product by yourself. There is risk of fire or electric shock.Use the correctly rated breaker or fuse. There is risk of fire or electric shock.Do not install the product on a defectiveinstallation stand. Be sure that theinstallation area does not deteriorate withage. It may cause product to fall.Do not use a defective or underratedcircuit breaker. Use the correctly ratedbreaker and fuse. There is risk of fire or electric shock .Always ground the product as per thewiring diagram. Do not connect theground wire to gas or water pipeslightening rod or telephone ground wire. There is risk of fire or electric shock.Do not modify or extend the power cable.If the power cable or cord has scrathes orskin peeled off or deteriorated then itmust be replaced. There is risk of fire or electric shock.Never install the outdoor unit on amoving base or a place from where itcan fall down. The falling outdoor unit can cause damage orinjury or even death of a person.In outdoor unit the step-up capacitorsupplies high voltage electricity to theelectrical components. Be sure todischarge the capacitor completelybefore conducting the repair work.When installing the unit, use theinstallation kit provided with the product. An charged capacitor can cause electricalshock. Otherwise the unit may fall and cause severeinjury.Do not use a multi consent. Always usethis appliance on a dedicated cicuit andbreaker. Otherwise it can cause electric shock or fire.Install the panel and the cover of controlbox securely. There is risk of fire or electric shock due todust , water etc.For installation, removal or reinstall ,always contact the dealer or anAuthorized Service Center. There is risk of fire, electric shock, explosion,or injury.When the product is soaked (flooded orsubmerged) in water , contact anAuthorized Service Center for repairbefore using it again. There is risk of fire or eletric shock.Be sure to use only those parts whichare listed in the svc parts list. Neverattempt to modify the equipment. The use of inappropriate parts can cause anelectrical shock, excessive heat generation orfire.Owner's Manual 3ENGLISHTo prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified bythe following indications.
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    Safety PrecautionsIndoor/outdoor wiring connections mustbe secured tightly and the cable shouldbe routed properly so that there is noforce pulling the cable from theconnection terminals.Safely dispose off the packing materials.Like screws, nails, batteries, brokenthings etc after installation or svc andthen tear away and thraw away the plasticpackaging bags.Make sure to check that the power cableplug is not dirty, loose or broken andthen only insert the plug completely. Improper or loose connections can causeheat generation or fire. Children may play with them and causeinjury. Dirty, loose or broken power plug cancause electric shock or fire.Be sure to check the refrigerant to theused. Please read the label on the product.Don't use a power cord, a plug or a loosesocket which is damaged.Do not touch , operate, or repair theproduct with wet hands. Hold the plug byhand when taking out Incorrect refrigerant used can prevent thenormal operation of the unit. Otherwise it may cause a fire or electricalshock.Do not place a heater or other heatingappliances near the power cable.Do not allow water to run into electricparts. Install the unit away from watersources. There is risk of fire and electric shock.Do not use the product in a tightly closedspace for a long time. Perform ventilationregularly. There is risk of fire, failure of the product, orelectric shock.Do not open the front grille of the productduring operation. (Do not touch theelectrostatic filter, if the unit is so equipped.) There is risk of electric shock or fire.Do not store or use or even allowflammable gas or combustibles near theproduct. There is risk of fire.If strange sounds, smell or smoke comesfrom product.Immediately turn the breakeroff or disconnect the power supply cable. Oxygen deficiency could occur and henceharm your health. There is risk of physical injury, electric shock,or product failure. There is risk of electric shock or fire.Ventilate the product room from time totime when operating it together with astove, or heating element etc.Turn the main power off and unplug theunit when cleaning or repairing theproduct.When the product is not to be used for along time, disconnect the power supplyplug or turn off the breaker. Oxygen deficiency can occur and hence harmyour health.Take care to ensure that nobodyespecially kids could step on or fall ontothe outdoor unit. This could result in personal injury andproduct damage. There is risk of electric shock.Take care to ensure that power cablecould not be pulled out or damagedduring operation. There is risk of fire or electric shock.Do not plug or unplug the power supply plug to turn the unitON/OFF . There is risk of fire or electric shock.Two or more people must lift andtransport the product. Avoid personal injury.Keep level even when installing theproduct. To avoid vibration or noise.4 Room Air Conditioner There is risk of product damage or failure, orunintended operation.Do not place ANYTHING on the powercable. There is risk of fire or electric shock.When flammable gas leaks, turn off the gas and open a windowfor ventilation before turn the product on. Do not use the telephone or turn switches on or off. There is risk ofexplosion or fire.Do not install the product where it will beexposed to sea wind (salt spray) directly. It may cause corrosion on the product.Do not install the product where the noiseor hot air from the outdoor unit coulddamage or disturb the neighborhoods. It may cause a problem for your neighborsand hence dispute.Install the drain hose to ensure that thecondensed water is drained away properly. A bad connection may cause water leakage.Always check for gas (refrigerant)leakage after installation or repair ofproduct. Low refrigerant levels may cause failure ofproduct.
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    Safety PrecautionsDo not use the product for special purposes,such as preserving foods, works of art, etc. Itis a consumer air conditioner, not a precisionrefrigeration system. There is risk of damage or loss of property. There is risk of personal injury.Do not insert hands or other objectsthrough the air inlet or outlet while theproduct is operating. There are sharp and moving parts that couldcause personal injury.Do not tilt the unit when removing oruninstalling it. The condensed water inside can spill .Dismantling the unit, treatment of therefrigerant oil and eventual parts shouldbe done in accordance with local andnational standards. It may cause product failure.Do not step on or put anyting on theproduct. (outdoor units) There is risk of personal injury and failure ofproduct.Be cautious when unpacking andinstalling the product. Sharp edges could cause injury.Do not mix air or gas other than thespecified refrigerant used in the system . The chemicals in batteries could cause burnsor other health hazards.Do not expose your skin or kids orplants to the cool or hot air draft. This could harm to your health. There is risk of fire, electric shock, or damageto the plastic parts of the product.Always insert the filter securely aftercleaning. Clean the filter every two weeksor more often if necessary. A dirty filter reduces the efficiency.If the refrigerant gas leaks during therepair, do not touch the leakaingrefrigerant gas. The refrigernat gas can cause frostbite (coldburn)If the refrigerant gas leaks during theinstallation, ventilate the area immediately. If air enters the refrigerant system, anexcessively high pressure results, causingequipment damage or injury. Otherwise it can be harmfull for your health.Replace the all batteries in the remotecontrol with new ones of the same type.Do not mix old and new batteries ordifferent types of batteries.Do not recharge or disassemble thebatteries. Do not dispose off batteries ina fire. There is risk of fire or product failure.If the liquid from the batteries gets ontoyour skin or clothes, wash it well withclean water. Do not use the remote if thebatteries have leaked.Use a soft cloth to clean. Do not useharsh detergents, solvents or splashingwater etc .If you eat the liquid from the batteries,brush your teeth and see doctor. Do notuse the remote if the batteries haveleaked. The chemicals in batteries could causeburns or other health hazards.Do not drink the water drained from theproduct. It is not sanitary and could cause serioushealth issues. They may burn or explode.Do not let the air conditioner run for along time when the humidity is very highand a door or a window is left open. Moisture may condense and wet or damagefurniture.Use a firm stool or ladder when cleaning,maintaining or repairing the product at an height. Be careful and avoid personal injury.Owner's Manual 5ENGLISHDo not touch the metal parts of theproduct when removing the air filter.Do not block the inlet or outlet of air flow.
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    Electrical SafetyElectrical Safety This appliance must be properly grounded.To minimize the risk of electric shock, you must alway plug into a grounded oulet. Do not cut or remove the grounding prong from the power plug. Attaching the adapter ground terminal to the wall receptacle cover screw does not ground the applianceunless the cover screw is metal and not insulated, and the wall receptacle is grounded through thehouse wiring. If you have any doubt whether the air conditioner is properly grounded, have the wall receptacle andcircuit checked by a qualified electrician.Temporary Use of an AdapterWe strongly discourage the use of an adapter due to potential safety hazards. For temporary connections,use only a genuine adapter, available from most local hardware stores. Ensure that the large slot in theadapter is aligned with the large slot in the receptacle for a proper polarity connection.To disconnect the power cord from the adapter, use one hand on each to avoid damaging the groundterminal. Avoid frequently unplugging the power cord as this can lead to eventual ground terminal damage. Never use the appliance with a broken adapter.Temporary Use of an Extension CordWe strongly discourage the use of an extension cord due to potential safety hazards.This appliance should be installed in accordance with national wiring regulations. This guide acts as aguide to help to explain product features.Symbols used in this ManualThis symbol alerts you to the risk of electric shock.This symbol alerts you to hazards that may cause harm to theair conditioner.NOTEThis symbol indicates special notes.6 Room Air Conditioner
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    Product IntroductionProduct IntroductionHere is a brief introduction of the indoor and outdoor units. Please see the information specific to yourindoor unit type.ENGLISHIndoor UnitsStandard Split TypeDisplay panel LED indicatorsAir inletGrille tabPlasma filter (Optional)Front grilleON/OFF buttonAir filterAir outletSignalreceiverFlap(Horizontal blade)Louvers(Vertical blades)Art Cool (Type1)Display panel LED indicatorsFront panelSignal receiverArt Cool (Type2)Display panel LED indicatorsPlasma filterAir FilterSignal receiverAir filterON/OFF buttonPower cordAir dischargeFront PanelPlasma FilterPower CordAir DischargeArt Cool Type WideDisplay panel LED indicatorsPlasma filterAir inletFront panelPower cordAir filterSignal receiverON/OFF buttonAir dischargeOwner's Manual 7
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    Product IntroductionArt Cool Deluxe(Type 1)Display panel LED indicatorsArt Cool Deluxe(Type 2)Display panel LCD indicatorsAir inletAir dischargeON/OFF buttonPlasma filterFront panelSignal receiverAir dischargePower cordAir filterPlasma filterAir filterFront panelAir inletAir inletAir filterPlasma filterSignal receiverArt Cool Deluxe(Type 3)Display panel LCD indicatorsFront panelPower cordPower cordSignal receiverON/OFF buttonON/OFF buttonOperation Indication LampsOn/Off: Lights up during the system operation, error code and auto restart setting.Sleep mode: Lights up during sleep mode auto operation.Energy-Saving : Lights up during Energy-Saving Cooling Mode Operation.Cooling ModePlasma: The function illustrates its dynamic mode by using a multiple lighting system.Timer: Lights up during timer operation.Defrost mode : Lights up during defrost mode or *hot start operation (Heat pump model only)OUTDOOROutdoor unitoperation: Lights up during outdoor unit operation. (Cooling model only)Power Display : Indicates the setting temperature and operation mode.Operation Cooling, heating,mode Dehumidification StandardModeAuto operation modeToo hotHotComfortableColdToo coldJetTestEnergy-savingCool/Heat cooling mode operationAutocleanSettingShape ofdisplay temperature* Hot start operation: Stops the indoor fan in heating operation for minutes to prevent cold air from blowing outfrom unit.* In defrost mode unit stops heating operation for few minutes to remove formation of ice on the heatexchanger coils to maintain the efficiency.Outdoor UnitAir intake ventsConnectingwiresRefrigerant pipesAir outlet ventsBase plate8 Room Air ConditionerDrain hose
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    Operating InstructionsOperating InstructionsHow to insert the BatteriesENGLISH1. Remove the battery cover by pulling it according to the arrow direction.2. Insert new batteries making sure that the (+) and (-) of battery areinstalled correctly.3. Reattach the cover by sliding it back into position.NOTE1. Always use/replace both batteries of same type.2. If the system is not to be used for a long time, remove the batteries tosave their working life.3. If the display screen of remote controller starts, fading replace both ofthe batteries.4. Use 2 AAA(1.5 volt) batteries.Wireless Remote Controller Maintenance1. Choose a suitable place where its safe & easyto reach.2. Fix the holder to wall etc with the suppliedscrews firmly.3. Slide the remote controller inside the holder.NOTE1. Remote controller should never be exposed todirect sunlight.2. Signal transmitter & receiver should always beclean for proper communication. Use a softcloth to clean them.3. In case some other appliances also getoperated with remote control, change theirposition or consult your serviceman.Operating Method1. The signal receiver is inside the unit.2. Aim the remote controller towards the unit to operate it.There should not be any blockage in between.Owner's Manual 9
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    Operating InstructionsWireless Remote ControllerThe controls will look like the following.Signal transmitter1411043218675178139151116812Operation ModeUsed to set auto clean mode.14. PLASMA BUTTONUsed to start or stop the plasma-purificationfunction.15. CLEAR ALL BUTTONUsed to cancel all timer setting.16. ENERGY SAVING COOLING BUTTON(OPTIONAL)Used to save Energy.Cooling OperationAuto Operation or Auto ChangeoverHealthy Dehumidification Operation17. LCD LUMINOSITY BUTTON(OPTIONAL)Used to adjust LCD luminosity.Heating OperationAir Circulation Cooling Model(), Heat Pump Model(10 Room Air Conditioner1. ON/OFF BUTTONUsed to turn off/on the unit.2. OPERATION MODE SELECTION BUTTONUsed to select the operation mode.3. ROOM TEMPERATURE SETTING BUTTONSUsed to select the room temperature.4. INDOOR FAN SPEED SELECTOR BUTTONUsed to select fan speed in four stepslow, medium, high and CHAOS.5. JET COOL BUTTONUsed to start or stop the speed cooling.(It operates fan in super high speed in cooling mode)6. CHAOS SWING BUTTONUsed to stop or start louver movement and set thedesired up/down airflow direction.7. TIMER AND TIME SETTING BUTTONUsed to set the time of starting and stoppingoperation.8. TIME SETTING BUTTONSUsed to adjust the time.9. TIMER SET / CLEAR BUTTONUsed to set and to cancel the timer operation.10. SLEEP MODE AUTO BUTTONUsed to set sleep mode auto operation.11. ROOM TEMPERATURE CHECKING BUTTONUsed to check the room temperature.12. RESET BUTTONUsed prior to resetting time.13. AUTO CLEAN BUTTON)18. HORIZONTAL AIRFLOW DIRECTION CONTROLBUTTON (OPTIONAL)Used to set the desired horizontal airflow direction.
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    Operating InstructionsOperation ModePress the ON/OFF BUTTON to turnthe unit on.The unit will respond with a beep.2Open the door of the remote controller and press theoperation mode button. Each time the button is pressed, theoperation mode is shifted in the direction of the arrow.ENGLISH1134234CoolingAutoHealthyHeatingChangeover Dehumidification (Heat pump model only) Air CirculationAuto Operation (Cooling Only Model)Auto Changeover (Heat Pump Model)For cooling or heating operation set the desired indoortemperature by pressing the ROOM TEMPERATURESETTING BUTTONS.For cooling the temperature can be set within 18C~30C andfor heating the temperature range is 16C~30C.To raise the temperatureTo lower the temperatureSet the fan speed with the remote controller. You can select the fan speed in four steps-low,medium, high and CHAOS by pressing the INDOOR FAN SPEED SELECTOR BUTTON.Each time the button is pressed, the fan speed mode is shifted.CHAOS AirFan speed is on low.Fan speed is on medium.Fan speed is on high.Natural wind by the CHAOS logic For fresher feeling, press the INDOOR FAN SPEED SELECTOR BUTTON selector and set to CHAOS mode.In this mode, the wind blows like a natural breeze by automatically changing fan speed according to the CHAOS logic.Owner's Manual 11
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    Operating InstructionsHealthy Dehumidification OperationDuring Healthy Dehumidification Operation If you select the dehumidification mode on the OPERATION MODE SELECTIONBUTTON, the product starts to run the dehumidification function. It automatically setsthe room temperature and airflow volume to the best condition for dehumidification,based on the sensed current room temperature.In this case, however, the setting temperature is not displayed on the remote controllerand you are not able to control the room temperature either. During the healthy dehumidification function, the airflow volume is automatically setaccording to the optimization algorithm responding to the current room temperaturestatus, so that the room condition is kept healthy and comfortable even in the veryhumid season.Air Circulation OperationThis operation circulates the air without cooling or heating. It canbe activated by pressing the OPERATION MODE SELECTIONBUTTON. Once the air circulation is activated you can select theair speed by pressing the INDOOR FAN SPEED SELECTORBUTTON.NOTECHAOS Air economizes power consumption and prevents overcooling. The fan speed is automaticallychanged from high to low or vice versa, depending on the ambient temperature.Auto Operation (Cooling Only Model)In this operation mode the actual setting temperature and the fan speed areautomatically set by the electronic control logic based on the current roomtemperature. If you feel hot or cold press the temperature setting buttonsrespectively for more cooling or heating effect.NOTE : You cannot set the actual setting temperature and the indoor fanspeed in this operation mode. But you can use the Chaos swingin this operation.If the system is not operating as desired, switch manually to another mode.Auto Changeover Operation (Heat Pump Model)Auto operation basically is heating or cooling function of the air conditioner.But during this operation the controller changes the operation modeautomatically to keep the temperature within 2C with respect to thesetting temperature.12 Room Air Conditioner
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    Operating InstructionsJet Cool/Heat OperationYou can activate this operation by pressing the JET COOL BUTTON.To change from jet cool mode to high fan speed cooling mode, press the JET COOL BUTTON orINIDOOR FAN SPEED SELECTOR BUTTON or the ROOM TERPERATURE SETTING BUTTON again.NOTE Jet cool function cannot be activated during heating or auto changeover operations. In case of Inverter, Art Cool and Art Cool Wide(non-Deluxe) model, you can use jet heat function bypressing JET COOL BUTTON for heating operation. Art Cool and Art Cool Wide models close the side discharges during jet cool/heat operation, for strongcooling and heating.Auto Clean Operation During auto clean function, moistures left in indoor units after cooling operation or healthy dehumidificationoperation can be removed.NOTE Press the AUTO CLEAN BUTTON to activate this function. Now whenever the unit is turned off, the indoor fan is still running for about 30minutes internally without cooling or dehumidification operation. Also the louver isclosed. This dries up any remains of moisture & cleans the unit internally. If you press AUTO CLEAN BUTTON again during operation, this function iscancelled. During auto clean function, only ON/OFF BUTTON, PLASMA BUTTON and AUTO CLEAN BUTTON canbe used.NEO PLASMA Purification Operation (Optional)Plasma filter is a technology developed by LG to get rid of microscopiccontaminants in the intake air by generating a plasma of high charge electrons.This plasma kills and destroys the contaminants completely to provide clean andhygienic air.Plasma purification can be started by pressing the PLASMA BUTTON on the remote controller.Repressing it will deactivate the operation.NOTEThis feature can be used in any operation mode and any fan speed can be used whileplasma filter is functioning.Owner's Manual 13ENGLISHJet cool function can be used to cool the room quickly in hot summer. When thisfunction is turned on, the air conditioner runs in cooling operation mode with superhigh fan speed and 18C setting temperature for 30 minutes for fast and effectivecooling.Similarly, jet heat function (available only in some models) warms up the room quicklyby operating at super high fan speed and 30C setting temperature for 60 minutes.
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    Operating InstructionsEnergy-Saving Cooling Mode (Optional)Energy-saving cooling mode can save energy in cooling and healthy dehumidification operation, because itcan operate efficiently by setting body-adaptation time according to the change of time and temperature andadjusting automatically desired temperature.1. Press the ON/OFF BUTTON to start the unit.2. Open the door of the remote controller.Select cooling operation or healthy dehumidification operation.3. Press the ENERGY-SAVING COOLING MODE BUTTON.4. To cancel the energy-saving cooling mode, press the ENERGY-SAVINGCOOLING MODE BUTTON again and unit will operate in previousmode(Cooling or healty dehumidification mode).Display Luminosity (Optional)The Display Luminosity can be adjusted by using the remote control.Open the door of the remote controller, and press the LCD LUMINOSITY button.Display will be dark. Press the button again to set bright display.Forced operationOperation procedures when the remote control can't be used.The operation will be started if the ON/OFF button is pressed.If you want to stop operation, re-press the button.ON/OFFbuttonCooling ModelHeat pump ModelOperating modeCoolingRoom Temp. 24CCoolingIndoor FAN SpeedSetting TemperatureHigh22CHigh22C21C Room Temp. < 24CHealthy DehumidificationRoom Temp. < 21CHeatingHigh23CHigh24CTest operationDuring the TEST OPERATION, the unit operates in cooling mode at high speed fan, regardless of room temperatureand 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.14 Room Air Conditioner
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    Operating InstructionsSetting the Current Time3. Press the SET / CLEAR BUTTON.1. Press the TIMER BUTTON for 3 seconds.ENGLISH2. Press TIME SETTING BUTTONSuntil the desired time is set.NOTECheck the indicator for A.M. and P.M.Timer Setting1. Press the TIMER BUTTON toturn timer on or off.3. Press the SET / CLEAR BUTTON.2. Press TIME SETTING BUTTONSuntil the desired time is set.NOTESelect one of the following 2 types of operation.Timer OnTimer OffTo cancel the timer setting If you wish to cancel all timer setting, press the CLEAR ALL BUTTON. In order to individually cancel, press the TIMER button toselect Reserved On or Reserved Off.And then press the SET/CLEAR BUTTON aiming the remotecontroller at the signal receptor.(The timer lamp on the air conditioner and the display will go off.)Sleep ModePress the SLEEP MODE AUTO BUTTON to set the time when you want the unit to stop automatically.The timer is programmed in one-hour increments by pressing the SLEEP MODE AUTO BUTTON 1 to 7 times.The sleep mode is available for 1 to 7 times.To cancel the sleep modePress and hold the SLEEP button to set the time to 0 or press the CLEAR ALL button to cancel all reservations.NOTE The sleep mode will operate indoor fan at slow speed in cooling mode and at medium speed in heating modefor pleasant sleep. Art Cool and Art Cool Wide (non-Deluxe) close the lower discharge partially in sleep mode for pleasant sleep.In cooling mode or healthy dehumidification mode:The setting temperature will rise automatically two times by 1C over next consecutive 30 minutes (2C in 1hour) for a comfortable sleep. Now this will be the final setting temperature as long as sleep mode is functioning.Owner's Manual 15
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    Operating InstructionsVertical / Horizontal Airflow Direction Control (Optional)The up/down airflow (Vertical airflow) can beadjusted by using the remote controller.The left/right(Horizontal airflow) can be adjustedby using the remote control.1. Press the ON/OFF BUTTON to start the unit.1. Press the ON/OFF BUTTON to start the unit.2. Press CHAOS SWING BUTTON.2. Press the HORIZONTAL AIRFLOWDIRECTION BUTTON.3. The louvers will swing up &down automatically.4. To stop the louver at a desiredangle, pressagain3. The louvers will swing left &right automatically.4. To stop the louvers at a desiredangle, pressagain.NOTE By pressing the CHAOS SWING BUTTON the horizontal air flow direction is changed automatically based on the chaosalgorithm to distribute the air in the room evenly and at the same time to make the human body feel most comfortable as ifenjoying natural breeze. Manually moving the vertical air flow direction louver by hand could damage the mechanism.When the unit is shut off, theup/down airflow direction louver will close the air outlet vent of the system. The Chaos Swing may not run correctly during sleep mode.Auto Restart FunctionThis function is useful in the situation of power failure.When power regains after a failure this feature restore the previous operating conditionand the air conditioner will run in the same settings.NOTEThis feature is enabled by factory default setting, but you can disable it by pressing theON/OFF button for 6 seconds. The unit will beep twice and the indicator lamp(2) will blink 4times.To enable it, press the button again for 6 seconds. The unit will beep twice and the indicatorlamp(1) will blink 4 times.16 Room Air Conditioner
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    Maintenance and ServiceMaintenance and ServiceIndoor UnitClean the unit with a soft dry cloth. Do not use bleach or abrasives.Never use any of these Water hotter than 40C. It may cause deformation and discoloration. Volatile substances. They may damage the surface of the air conditioner.Powd erG a s o li n eAir FiltersThe air filters behind the front panel / grill should be checked andcleaned once in every 2 weeks or more often if necessary. Toremove the filters see the self explanatory diagrams for eachmodel type. Clean the filters with a vacuum cleaner or warmsoapy water. If dirt is not easily removed, wash with a solution ofdetergent in luke warm water. Dry well in shade after washing andreinstall the filters back in place.Plasma FiltersThe plasma filters behind the air filter should be checked andcleaned once in every 3 months or more often if necessary. Toremove the filters see the self explanatory diagrams for eachmodel type. Clean the filters with a vacuum cleaner. If it is dirtywash it with water and dry well in shade an install back in place.Deodorizer FiltersRemove the deodorizer filters behind the air filter and exposethem in direct sunlight for 2 hours.And then insert these filters into original position.Removal of Filters1. Standard Split Type : Two different methods to open the front panel based on types of airconditioner as below ;Type 1: Open the front panel as shown.Then pull the filter tab slightly forward to remove the air filter.After removing the air filter remove the plasma and deodorizer filter by slightly pulling forward.DeodorizerfilterPlasma filterOwner's Manual 17ENGLISHBefore performing any maintenance, turn off the main power to the system, disconnect the circuit breaker andunplug the power cord.
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    Maintenance and ServiceType 2: Pull the front panel from both sides as shown.Then pull the filter tab slightly forward to remove the filter. After removing the air filter removethe plasma and triple deodorizer filter by slightly pulling forward.DeodorizerfilterPlasma filterDon't touch this plasma filter within 10 seconds after opening the inlet grille, it may cause an electric shock.2. Art Cool (Type 1) :Pull down the grille bottom, after lifting out the filter tab a bit and take the filter out slowly. Remove theplasma filter as shown. After cleaning and drying well reinstall the filter and grille by matching the hook.Front panel hookHookhangerFront panelAir filterPlasmafilterAir filter3. Art Cool (Type 2) :Pull out the upper section of front panel and lift it up. Take out a filter with front panel held.With PUSH button pressed, pull out grip to take out a plasma filter. Dry it completely in the shade after cleaning.Then set a plasma filter and a filter orderly. Put the hook of front panel onto the hanger, in order to close the frontpanel.Front panelAir filterPlasma filterAir filterFront panel hookHook-hanger4. Art Cool Type Wide :The procedure of removal of filters is same as in Art Cool Type1 model as shown above.Don't touch this plasma filter within 10 seconds after opening the inlet grille, it may cause an electric shock.18 Room Air Conditioner
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    Maintenance and Service5. Deluxe (Type 1):Open the upside of the panel and lift it up as shown. The hooks of the panel will come off. Remove theair filters. Then pull out the plasma filterPlasma filterENGLISHFront panelPanel hookAfter cleaning and drying well reinstall the filters in their original position.6. Deluxe (Type 2):Open the front panel as shown.Then pull the filter tab slightly forward to remove the air filter.After removing the air filter remove the plasma and deodorizer filter by slightly pulling forward.Plasma filterFront panelHow to use the front panel1. Front panel closingMove the link upward and close the front panel.2. Front panel removingRaise the link up to hook hanger and removefront panel forward.Owner's Manual 19
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    Maintenance and ServiceHow to replace picture & photograph (Art Cool Type2)1. Turn off power and then openthe upper part of front panel.4. Take out picture.2. Pull out the both links of lowerpart of front panel, asdescribed in the below picture.5. Turn upside-down of thepicture and turn over mat, thentake off a protective tapeattached at the mat.3. Push and close the top part ofthe front panel and then pullthe bottom part of the panelforward until it is secured.6. Place the picture/photographbetween the exited picture andmat. (Recommended size of aphoto/picture: 450mm x450mm)Protective tapeMat450mmMat450mm7. Cover mat and press downwith hand(s) until contactingclosely.8. Slide the photo graph/drawingrequested under both hangerparts as following, and fix them.Press the front panel lightly toclose.9. Push both links of lower part ofpanel inside and fix it. Thenturn on.In case a mat is not used, recommended size of a photo/picture:522mm x 522mmWhen powering on after replacing filter and picture,the front panel doesn't intervene.522mm522mm20 Room Air Conditioner
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    Maintenance and ServiceOutdoor UnitNOTEDirty or clogged coils will reduce the operating efficiency of the system and cause higher operating costs.Operation Tips!Do not overcool the room.Keep blinds or curtainsclosed.This is not good for the health andwastes electricity.Make sure that thedoors and windowsare shut thight.Avoid opening doors andwindows as much aspossible to keep the coolair in the room.Keep the room temperatureuniform.Do not let direct sunshine enterthe room when the air conditioneris in operation.Clean the air filterregularly.Blockages in the air filterreduce the airflow andlower cooling anddehumidifying effects.Clean at least once everytwo weeks.Adjust the vertical and horizontalairflow direction to ensure auniform temperature in the room.Ventilate the roomoccasionally.Since windows are keptclosed, it is a good ideato open them andventilate the room nowand ten.Use high fan speedfor effective and fastcooling.The unit gives its ratedcooling capacity when thefan speed is high.Self-Diagnosis FunctionThis unit has an inbuilt error diagnosis capability. Unit LED(Please contact your serviceman/dealer in such a situationError Display LED ((once)3 sec)) will blink in case if thermistor fails.Check Point Indoor room temperature thermistor open/short. Indoor pipe temperature thermistor open/short.3 sec3 secOwner's Manual 21ENGLISHThe heat exchanger coils and panel vents of the outdoor unit should be checked regularly.If clogged with dirt or soot, the heat exchangerand panel vents may be professionally steam cleaned.
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    Maintenance and ServiceTroubleshooting Tips! Save time and money!The air conditioner may be operating abnormally when:ProblemAirconditionerdoes not startAirconditionerdoes not coolas it shouldPossible CausesWhat To Do The air conditioner isunplugged. Make sure the air conditioner plug ispushed completely into the outlet. The fuse is blown/circuitbreaker is tripped. Check the house fuse/circuit breaker boxand replace the fuse or reset the breaker. Power failure. If power failure occurs, turn the modecontrol to OFF.When power is restored, wait 3 minutes torestart the air conditioner to preventtripping of the compressor overload. High voltage. If the voltage is unusually very high or lowthe circuit Breaker will trip. Airflow is restricted. Make sure there are no curtains, blinds, orfurniture blocking the front of the airconditioner. The air filter is dirty. Clean the filter at least every 2 weeks.See the Maintenance and Service section. The room may have been hot. When the air conditioner is first turned on,you need to allow time for the room to cooldown. Cold air is escaping. Check for open furnace floor registers andcold air returns. Check the temperature settings. Make sure they are correct. There might be any heatingsource in the room. Check and remove such source or turn itoff while using the air conditioner.Call the service immediately in the following situations1. Anything abnormal such as burning smell, loud noise etc. happen. Stop the unit andturn the breaker off. Never try to repair by yourself or restart the system in such cases.2. Main power cord is too hot or damaged.3. Error code is generated by self diagnosis.4. Water leaks from indoor unit even if the humidity is low.5. Any switch, breaker (safety, earth) or fuse fails to work properlyUser must carry routine checkup & cleaning to avoid units poor performance.In case of special situation, the job must be carried out by service person only.22 Room Air Conditioner
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