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LG LG Room Air Conditioner OWNER'S MANUAL MODELS: SU/SZ/S3 Chassis Prior to installation, this air-conditioning unit must be submitted for approval by the utility service which provides electricity (EN 61000-2, EN 61000-3 Norm). IMPORTANT ? ? Please read this owner's manual and before air conditioner. installing and carefully operating your room thoroughly Please retain this owner's manual for future reference after reading it thoroughly. P/No.: 3828A20418D Safety FOR YOUR RECORDS Precautions.........................3 Write the model and serial numbers here: Model # Prior to Operation ..........................8 Serial # You find them can on a label on the side of each unit. Dealer's Name Introduction ....................................9 Date Purchased Staple your receipt to this page in the event you need purchase or for warranty issues. it to prove date of Electrical Operating Safety ...........................10 Instructions.................12 READ THIS MANUAL Inside you will find many helpful hints on how to use and maintain your air conditioner properly. Just a little preventive care on your part can save you a great deal of time and money Maintenance and Service ............26 over the life of your air conditioner. You'll find many answers to common problems in the chart of troubleshooting tips. If you review our chart of Troubleshooting Tips first, you may not need to call for service at all. PRECAUTION ? Contact the authorized service technician for repair or maintenance of this unit. ? Contact the installer for installation of this unit. ? The air conditioner is not intended for young children ? ? 2 Room Air Conditioner use by supervision. supervised to ensure invalids without Young children should be they do not play with the that ? or When air conditioner. power cord is to replacement work shall be be replaced, performed by authorized personnel only using only genuine replacement parts. Installation work must be performed in accordance with the National Electric Code by qualified and authorized personnel only. the Safety Precautions Safety To Precautions prevent the injury of the user or other people and property damage, the following instructions must be followed. Incorrect by the The operation due to ignoring following indications. meanings of the instruction will cause harm The seriousness is classified damage. or This symbol indicates the possibility of death or serious This symbol indicates the possibility of or damage to properties only. symbols used in this manual are as Be Be sure injury injury. shown below. sure not to do. to follow the instruction. Installation Don't use a power cord, a plug socket which is damaged. Always perform grounding. ? Otherwise, it may cause For installation of the electrical shock. ? product, always or a professional Securely contact the service center Otherwise, explosion it may or cause a injury. cause a fire or loose electrical shock. attach the electrical part the indoor unit and the service installation agency. ? Otherwise, it may or a cover panel to to the outdoor unit. fire, electrical shock, ? If the electrical part cover of the indoor unit and the service attached panel of the outdoor unit are not securely, it could result in a fire or electric shock due to dust, water, etc. Owner's Manual 3 Safety Precautions Always install breaker and switching a an air board. No installation may cause and electrical shock. ? Do not leakage dedicated a fire ? keep conditioner. a Otherwise, it may the failure of cause a Do not install the or It will ? cause a fire or place that ther of falling down. a electrical ? shock. not fire ? product. Wax Do not disassemble installation an frame of the outdoor unit is or repair the product randomly. Ensure that or use flammable gases or combustibles near the air damaged long time. It may cause accident. due to injury use for or an Thinner product is Use caution when at unpacking concern Otherwise, it may result in ? and Sharp edges installing. cause may injury. personal injury. Operation Do not share the outlet with Do not other power cord. It will ? a appliances. cause an electric shock fire due to heat Take care so or ? generation. that the power Otherwise, it may or 4 cause a electrical shock. Room Air Conditioner Do not damaged cause a fire ? electrical shock. Unplug modify or extend randomly. the power cord Otherwise, it may or the unit if strange or smoke cause a fire electrical shock. Keep the flames away. sounds, smell, pulled during operation. ? the Otherwise, it may or cord may not be use comes fire ? from it. Otherwise, it may electrical shock cause or a fire. ? Otherwise, it may cause a fire. Safety Precautions Take the power plug out if Do not necessary, holding the head of the plug and do not touch near use the the power cord tools. Do not open the suction inlet of the indoor/outdoor heating unit during operation. it with wet hands. ? Otherwise, it may or cause a fire ? electrical shock. Otherwise, it may cause a fire ? and electrical shock. Do not allow water to Hold the run when into electrical parts. plug by the taking it out. Otherwise, it may electrical shock and failure. head Never touch the metal of the unit when parts removing the filter. ? Otherwise, it may cause failure of machine or the ? It may cause electric shock and electrical damage. well When cleaning make sure ? They are sharp injury. and may cause shock. Ventilate the room when ? An oxygen shortage may occur. Turn off the main power switch when not using the the unit, first the power and breaker are turned off. using this appliance together with a stove, etc. ? Otherwise, it may product ? cause electrical shock. Do not do not ? It may or cause an falling injury through dropping of the unit Do not place a a long Otherwise, it may failure of step on the indoor/outdoor unit and put anything on it. for product heavy object on time. cause or a the fire. the power cord. ? Otherwise, it may cause a fire or electrical shock. down. Owner's Manual 5 Safety Precautions When the always product Otherwise, it may ? is submerged Take into water, contact the service center. cause a fire or care so that children may not step on the outdoor unit. electrical shock. ? Otherwise, children may be seriously injured due to falling down. Installation Install the drain hose to can be securely Otherwise, it may ? ensure that drain Install the done. cause water product so that the noise wind from the outdoor unit may not any damage to the neighbors. leakage. ? Otherwise, it may cause or hot cause with the dispute neighbors. Always inspect installation and ? Otherwise, it may leakage after the repair of product. Keep gas cause the failure of product. ? level Otherwise, it may leakage. 6 Room Air Conditioner parallel in cause installing vibration the or product. water Safety Precautions Operation Avoid excessive and perform Use cooling ventilation not sometimes. ? a soft cloth to clean. Do use wax, thinner, When gas leaks, open the window for ventilation or a before strong detergent. Otherwise, it may do harm to ? your health. The appearance of the air conditioner may deteriorate, change color, or ? operating Otherwise, it may explosion, and a the unit. cause fire. develop surface flaws. Wax Do not use an appliance for special purposes such as preserving animals vegetables, precision machine, ? or Otherwise, Do not place Thinner obstacles around the flow inlet Always insert the securely. Clean it or filter every two weeks. outlet. art articles. it may damage your ? Otherwise, it may failure of properties. cause appliance the ? or an Operation cause without the filter will failure. accident. Do not insert the hands air inlet ? or outlet Otherwise, it may or bars through during operation. cause personal injury. Do not drink water the coming out of the air conditioner. ? Otherwise, it may cause stomachache. Owner's Manual 7 Prior to Operation Prior to for Preparing 1. Contact 2. 3. Use Operation installation an in the power Plug Operation specialist plug properly. for installation. dedicated circuit. a 4. Do not use an extension cord. 5. Do not 6. If the start/stop operation by plugging/unplugging the power cord. cord/plug is damaged, replace it with only an authorized replacement part. Usage 1. a long time may be hazardous to your health. Do not expose plants to direct airflow for a long time. Due to the possibility of oxygen deficiency, ventilate the room when using the appliance together with stoves or other heating devices. Do not use this air conditioner for non-specified special purpose (e.g. preserving precision devices, food, pets, plants, or art objects). Such use may damage your properties. Being exposed to direct airflow for occupants, pets, 2. 3. Cleaning or and Maintenance 1. Do not touch the metal 2. Do not 3. parts of the unit when removing the filter. Injury water to clean inside the air conditioner. Exposure to water Service For 8 can occur. destroy the insulation, leading to electric shock. When cleaning the unit, first make sure that the power and breaker are turned off. The fan rotates at very high speed during operation. There is a possibility of injury if the unit's power is triggered while cleaning inner parts of the unit. use repair and maintenance, Room Air Conditioner contact your authorized service dealer. can a Introduction Introduction Symbols used in this Manual This symbol alerts you to the risk of electric shock. This symbol alerts you to hazards that may cause harm to the air conditioner. This NOTICE symbol indicates special notes. Features WARNING: This regulations. appliance should be installed in accordance with national wiring guide acts as a guide to help to explain product features. This Air Inlet Indoor NANO Plasma Filter Air Filter Air Discharge Front Panel Power Cord Signal Receptor Power button Outdoor Air Intake Vents Connecting Wires Piping Air Outlet Vents Base Plate Drain Hose Owner's Manual 9 Electrical Safety Electrical Safety WARNING: This To minimize the risk of electric appliance shock, you must must be properly grounded. alway plug into a grounded oulet. Preferred method Ensure proper ground exists before use WARNING: Do not cut power or remove the grounding prong from the plug. WARNING: Attaching receptacle cover screw the adapter ground terminal to the wall ground the appliance unless the cover screw is metal and not insulated, and the wall receptacle is grounded through the house wiring. does not WARNING: If you have any doubt whether the air conditioner is properly grounded, have the wall receptacle and circuit checked a 10 qualified electrician. Room Air Conditioner by Electrical Temporary Use of an Safety Adapter We strongly discourage the use of an adapter due to potential safety hazards. For temporary use only a UL-listed adapter, available from most local hardware stores. Ensure that the large slot in the adapter 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 ground terminal. Avoid frequently unplugging the power cord as this can lead to eventual ground terminal damage. connections, Temporary method Adapter Plug Metal Screw Receptacle WARNING: Never Temporary We use the appliance with Cover a broken adapter. Use of an Extension Cord strongly discourage the use of an extension cord due to potential safety hazards. For temporary use only CSA certified and UL listed 3-wire grounded extension cords, rated 15 A, 125 V. situations, Owner's Manual 11 Operating Instructions Instructions Operating How to insert the Batteries 1. Remove the battery by pulling cover it according to the arrow direction. 2. Insert new installed batteries making sure that the (+) and (-) of battery are correctly. 3. Reattach the cover Use 2 NOTICE by sliding it back into position. AAA(1.5volt) batteries. use rechargeable batteries. Do not Storage ? and Tips for using The remote controller may be stored it on a wall. the Remote Controller by mounting ? To operate the room air remote controller at the conditioner, aim the signal receptor. Signal receptor Receives the signals from the remote controller.(Signal receiving sound: two short beeps or one long beep.) Operation indicating lamps On/Off the system operation. : Lights up during : Lights up during Sleep Timer : Lights up during Defrost Mode : Sleep Mode Timer Mode Auto operation. operation. Lights up during Defrost Mode or Hot operation (Heat pump model only) Start Outdoor Unit : Lights up during outdoor (Cooling model only) : The function illustrates its Operation PLASMA 12 Nano Plasma Room Air Conditioner unit operation. dynamic mode Operation indicating lamps by using a multiple lighting system. Operating Remote Control The controls will look like the Instructions Operations following. 1. START/STOP BUTTON Operation starts when this button is pressed and stops when the button is pressed again. Controls Signal transmitter 2. OPERATION MODE SELECTION BUTTON Used to select the operation mode. 3. ROOM TEMPERATURE SETTING BUTTONS Used to select the room temperature. 4. INDOOR FAN SPEED SELECTOR Used to select fan speed in four steps low, medium, high and CHAOS. 5. JET COOL Used to start or stop the speed cooling.(speed cooling operates cooling mode.) 5 1 super high fan speed in 6. CHAOS SWING BUTTON Used to stop or start louver movement and set the desired up/down airflow direction. 6 3 7. ON/OFF TIMER BUTTONS Used to set the time of starting and 4 stopping operation. (See page 22) 10 2 8. TIME SETTING BUTTONS Used to adjust the time. (See page CANCEL 9 7 ON SET OFF 11 17 18 8 13 operation. (See page 22) 14 10. SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation. 16 15 22) 9. TIMER SET/CANCEL BUTTON Used to set the timer when the desired time is obtained and to cancel the Timer 12 AUTO CLEAN (See page 22) 11. AIR CIRCULATION BUTTON Used to circulate the room air without cooling Flip-up door (opened) Operation Operation or Auto Changeover 23) ), Heat Pump Model( 20) 15. RESET BUTTON Used prior to resetting time. 16. 2nd F Button Used prior to using modes printed in blue at the bottom of buttons. (See page 21) Heating Operation Cooling Model( page 14. HORIZONTAL AIRFLOW DIRECTION CONTROL BUTTON (OPTIONAL) Used to set the desired horizontal airflow direction. Healthy Dehumidification Operation ? heating. (See 13. NANO PLASMA(OPTIONAL) Used to start or stop the plasma-purification function. (See page Mode Cooling Operation Auto or 12. ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature. ) 17. AUTO CLEAN (OPTIONAL) Used to set Auto Clean mode. 18. LED LUMINOSITY Used to adjust LED (OPTIONAL) luminosity. Owner's Manual 13 Operating Instructions Cooling operation 1 Press the a 2 Start/Stop button. respond with The unit will beep. Open the door of the remote controller. To select Cooling Operation, press the Operation Mode Selection button. Each time the button is pressed, the operation mode is shifted in the direction of the Auto Cooling 3 arrow. Healthy Heating (Heat pump model only) Dehumidification Close the door of the remote controller. Set the lower than the set within a room temperature temperature. The temperature can be range of 18°C~30°Cat intervals of 1°C. ON To raise the temperature To lower the temperature 4 Set the fan speed again with the door of the remote controller still closed. You can select the fan speed in four steps-low, medium, high and CHAOS. Each time the button is pressed, the fan speed mode is shifted. Natural wind by the CHAOS For fresher blows like 14 a feeling, logic press the Indoor fan natural breeze Room Air Conditioner speed selector and set to CHAOS by automatically changing fan speed according mode. In this mode, the wind to the CHAOS logic. Operating Auto operation (Cooling model 1 only) Press the Start/Stop button. respond with The unit will a 2 beep. Open the door of the remote controller. To select Auto Operation, press the operation mode selection button. Each time the button is pressed, the operation mode is shifted in the direction of the 3 The arrow. Auto Cooling ON Instructions Healthy Dehumidification temperature and fan speed electronic controls based on are Heating (Heat pump model only) automatically the actual room set by the temperature. If change the set temperature, press the Room Temperature Setting buttons. The cooler or warmer you feel, the more times (up to two times) you should press the button. The set temperature will be changed automatically. you want to To raise the temperature To lower the temperature During Auto Operation You cannot control the indoor fan If the system is not operating speed. as It has already been set desired, manually switch by the Fuzzy rule. to another mode. The system will not cooling mode to the heating mode, or from heating mode to cooling mode, it must be done by manually resetting. During Auto Operation, pressing the chaos swing button makes the horizontal louvers swing up and down automatically. If you want to stop auto-swing, press the chaos swing button again. automatically switch from the Owner's Manual 15 Operating Auto Instructions changeover operation(Heat pump 1 Press the Start/Stop button. respond with beep. Open the door of the remote controller. To select Auto Changeover Operation, press the Operation Mode Selection button. Each time the button is pressed, the operation mode is shifted in the direction of the arrow. Cooling 3 only) The unit will a 2 model Auto changeover Healthy Dehumidification Heating (Heat pump model only) Close the door of the remote controller. Set the lower than the set within a room temperature temperature. The temperature can be range of 18°C~30°Cat intervals of 1°C. To raise the temperature ON To lower the temperature 4 Set the fan speed again with the door of the remote controller still closed. You can select the fan speed in four steps-low, medium, high and CHAOS. Each time the button is pressed, the fan speed mode is shifted. During Auto changeover Operation changes the operation The air conditioner mode automatically to keep indoor temperature. When temperature vary over ±2°C with respect to setting temperature, air conditioner keeps the temperature within ±2°C with respect to setting temperature by auto changeover mode. 16 Room Air Conditioner room room Operating Healthy dehumidification Instructions operation Press the 1 Start/Stop button. respond with The unit will a beep. Open 2 the door of the remote controller. To select Dehumidification Operation, press the Healthy Operation Mode Selection button. Each time the button is pressed, shifted in the direction of the the Auto Cooling operation mode is arrow. Healthy Dehumidification 3 Set the fan speed again Heating (Heat pump model only) with the door of the remote controller still closed. You can select the fan speed in four steps-low, medium, high, or CHAOS. Each time the button is pressed, the fan speed mode is shifted. ON Natural wind by the For fresher feeling, CHAOS logic press the Indoor Fan to CHAOS mode. In this breeze Speed Selector and set mode, the wind blows like by automatically changing CHAOS logic. fan a speed according natural to the During Healthy Dehumidification Operation If you select the dehumidification mode on the operation selection button, the A/C starts to run the dehumidification function. It automatically sets the room temp. and airflow volume to the best condition for dehumidification, based on In this case, however, the setting control the room temp. either. the sensed current temp. is not room displayed temp. on the remote controller and you are not able to During the healthy dehumidification function, the airflow volume is automatically set according to the optimization algorithm responding to the current room temp. status, so that the room condition is kept healthy and comfortable even in the very humid season. Owner's Manual 17 Operating Instructions Heating operation (Heat pump 1 Press the only) Start/Stop button. respond with The unit will a 2 model beep. Open the door of the remote controller. To select Heating Operation, press the Operation Mode Selection button. Each time the button is pressed, the operation mode is shifted in the direction of the Auto Cooling 3 arrow. Healthy Dehumidification Heating (Heat pump model only) Close the door of the remote controller. Set the The temperature higher than the room temperature. temperature can be set within a range of 16°C~30°Cat intervals of 1°C. ON To raise the temperature To lower the temperature 4 Set the fan speed again with the door of the remote controller still closed. You select the fan speed in four can steps--low, medium, high and CHAOS. Each time the button is pressed, the fan speed mode is shifted. Natural wind For fresher by the wind blows like 18 CHAOS feeling, a logic press the Indoor Fan natural breeze Room Air Conditioner Speed Selector and set to CHAOS by automatically changing fan speed according mode. In this to the CHAOS mode, the logic. Operating Jet cool Instructions operation 1 Press the a 2 beep. Press the Jet Cool button to the will on 3 Start/Stop button. respond with The unit will speed cooling operate mode and the unit at super high fan speed mode for 30 minutes. operate cooling To cancel the Jet Cool fan speed button again and the unit mode, press the Jet Cool button, the room temperature setting button will operate at high fan speed on cooling or the mode. or or NOTICE During the JET COOL function at any moment, the A/C starts to blow the cool air at extremely high speed for 30 minutes setting the room temp. automatically to 18°C. It is especially used to cool the room temp. quickly in a hot summer. In heat pump mode or neuro fuzzy mode, however, the JET COOL function is not available. In order to return to the normal mode selection cooling mode from the JET COOL mode, just press the operation button, airflow volume selection, temp. setting button or the JET COOL button again. Owner's Manual 19 Operating Instructions NANO PLASMA purification operation(Optional) 1 Press the Start/Stop button. respond with a The unit will beep. 2 Open the door of the remote controller. Press the NANO PLASMA button. Operation will start when the button is pressed and stop when the button is pressed again. 3 Set the fan speed again controller closed. You with the door of the remote can select the fan speed in four steps-low, medium, high or CHAOS. Each time the button is pressed, the fan speed mode is shifted. Air purifying operation (NANO PLASMA) can be cooling, Heating or any other operations. with NANO PLASMA Air Purifying Operation onlyIf you press the only NANO PLASMA button, NANO PLASMA purification function only operates. Then, fan speed is low. You can select the fan speed in four steps-low, medium, high or CHAOS. Each time the button speed 20 Room Air Conditioner ( mode is shifted. ) is pressed, the fan Operating 2nd F Instructions operation 1 Press the a 2 Start/Stop button. respond with The unit will beep. Open the door of the remote control and press the 2nd operate functions printed in blue unter Function button to buttons. (Check the indication remote controller.) These buttons can of 2nd function set the timer ON as on the display of the follows: OFF SET CANCEL ON OFF SET AUTO CLEAN 3 2nd function the button is disappears in a pressed again. short time automatically or when For more details, refer to functions next pages. Owner's Manual 21 Operating Instructions Additional Features mode Sleep 1. Press the Mode Auto button to set the time you want the unit to Sleep 2. The Timer is in one-hour increments programmed stop automatically. by pressing the Sleep period in steps mode is available for 1 to 7 times. To alter the time Mode Auto button 1 to 7 times. The hour, press the Sleep Mode aiming at air conditioner. 3. Make sure the Sleep Mode Auto LED lights up. To cancel the Sleep Mode, press the sleep Mode Auto button several times until the star ( ) disappears from the operation display. The Sleep Mode will be operated at slow fan speed (cooling) or medium fan speed (heat pump NOTICE only) for a comfortable sleep. sleep of 1 Button while In mode cooling The or healthy dehumidification temperature will automatically rise by 1°C mode: over the next 30 minutes and by 2°C in 1 hour for a comfortable sleep. Setting the time 1. Time can be set only when you press the Reset button. Having replacing the batteries, you should press the reset buttons to reset the time. Press the Start/Stop button. 2. Press 2nd F button and check if 2nd F icon is 3. Press the Time Setting on. buttons until the desired time is set. CANCEL 4. Press the Timer SET button. SET Check the indicator for A.M. and P.M. NOTICE Delay 1. Make sure start/Pre-set stop the time is set correctly on the display of the remote controller. 2. Press 2nd F button. 3. Press the ON/OFF Timer buttons to turn Timer 4. Press the Time Setting on or ON off. OFF buttons until the desired time is set. CANCEL 5. To set the selected time, press the Timer setting button aiming the remote controller at the SET signal receptor. To cancel the timer setting CANCEL Check if 2nd F icon is off. Press the Timer Cancel button (The timer NOTICE lamp Select Delay 22 on aiming the remote controller at the the air conditioner and the one of the following OFF Timer Room Air Conditioner four Delay display will go types of operation. ON Timer signal receptor. ET out.) Delay with the unit OFF and ON Timer running Delay ON and OFF Timer Operating Instructions Vertical Airflow Direction Control The up/down airflow (Vertical Airflow) adjusted by using the remote control. can be NOTICE If you press the CHAOS swing button, the changed automatically based on the CHAOS algorithm to distribute the air in the room evenly and at the same time to make the human body feel most comfortable, as if enjoying a natural breeze. Always use the remote control to adjust the up/down airflow direction. Manually moving the vertical airflow direction louver by hand, could damage the air conditioner. When the unit is shut off, the up/down airflow horizontal airflow direction is 1. Press the Start/Stop 2. Press Chaos Swing button to start the unit. button and the louvers will direction louver will close the air outlet vent of the up and down. Press the Chaos Swing button again to set the vertical louver at the swing system. desired airflow direction. Horizontal Airflow Direction Control The (Optional) left/right(Horizontal Airflow) adjusted by using the remote control. button to start the unit. Start/Stop Open the door on the remote control. Press the Airflow Direction Start/Stop button and the louvers will swing left and right. Press the Horizontal Airflow Direction Control Button again to set the horizontal louver at the desired airflow can be Press the direction. Air circulation mode Circulates the 1. Press the 2. Open room air without Start/Stop the door on cooling or heating. button. the unit will respond Now each time that you press the Indoor Fan and back to low again. CHAOS Air NOTICE with a beep. the remote control. Press the Air Circulation button. Close the door Speed Selector, Fan speed is on low. the fan Fan speed speed is on on the remote control. is shifted from low to CHAOS medium. Fan speed is on high. CHAOS Air economizes power automatically changed from consumption and prevents overcooling. The fan speed is high to low or vice versa, depending on the ambient temperature. Owner's Manual 23 Operating Instructions Auto clean (Optional) 1. Whenever you press the Auto Clean reserved and cancelled. AUTO CLEAN button, Auto Clean Function will be 2. Auto Clean function works before and after For details, refer to the below cooling or dehumidification mode. points. 3. When the unit is started after the reservation of Auto Clean function operates and indoor Fan is started after ,the Cool Start 20 seconds. 4. When you press Start/Stop button to turn off the unit after the you have reserved Auto Clean function, the air-conditioner circulates the indoor air in the Auto Clean mode with only model, no more Cooling or Dehumidification it lasts for 30 minutes for Heat pump 5. If you press the auto clean button Clean function will be cancelled. again during operation. model, for the For Cooling 16 minutes. product operation , Auto NOTICE During Auto Clean Dehumidification During function, moistures left in indoor units after Cooling Operation Operation Auto Clean can or Healthy be removed. function, only Start/Stop button, Plasma button and Auto Clean button are available. Display Luminosity (Optional) ? The Display Luminosity can be adjusted by using the remote control. start/stop button to start the unit. Open the door on the remote control, and, press display luminosity button. Display will be dark. Press the button again Press the 24 Room Air Conditioner press the 2ndF button to set bright display. Operating Forced Instructions operation Operation procedures when the remote control can't be used. operation will be started if the power button is pressed. If you want to stop operation, re-press the button. The Power button Cooling Model Heat pump Model Room Temp. ≥ 24°C2 1 °C ≤ Room Operating mode Cooling Cooling Indoor FAN Speed High High operation During the TEST temperature and During test < 21°C Heating High High OPERATION, the unit operates in cooling mode at high speed fan, regardless of room resets in 18 minutes. operation, if remote controller If you want to use this about 3 seconds. If you want to Room Temp. 22°C2 2 °C2 3 °C2 4 °C Setting Temperature Test Healthy Temp. < 24°C Dehumidification operation, signal is open the front received, the unit operates panel upward as remote controller sets. and Press the power button let it be pressed for stop the operation, re-press the button. 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 2.5~3minutes later. As the compressor starts, the fan speed also resumes its previous setting mode. Helpful information Fan speed and cooling capacity. 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. The High Speed Owner's Manual 25 Maintenance and Service Maintenance and Service Indoor Unit WARNING: Turn the To Supply NOTICE 1. clean, wipe with the Open system off before cleaning. soft, dry cloth. Do not use bleach a power must be disconnected before upside cleaning or abrasives. the indoor unit. of Front Panel Front panel 2. Put up the Front panel. The hook of panel comes off. Panel hook 3. Come down the panel and then remove the air filter. Air filters WARNING: Don't touch the PLASMA Filter within 10 seconds after grille, 4. Clean it wi If it is very a it may cause soft brush and the dirty, opening the inlet electric shock. vacuum cleaner. wash it with water. 5. Reinstall the air filter dried at the shade and then close the panel. Never ? use followings: cause deformation and/or discoloration. Volatile substances Could 26 any of the Water hotter than 40°C Could ? Air filters damage the surfaces of the air conditioner. Room Air Conditioner Powder Gasoline Maintenance and Service Outdoor Unit The heat exchanger coils and panel vents of the outdoor clogged with dirt or soot, the heat exchanger and panel vents may be professionally steam cleaned. unit should be checked regularly. If Dirty or clogged coils will reduce the operating efficiency of the system and cause higher operating costs. NOTICE (Rear) Air intake (Side) Piping vents Drain Hose Air outlet vents (Rear) Air intake (Side) Air intake Piping vents 1. Piping vents Drain Hose Drain Hose Air outlet Air outlet vents vents Cleaning ? (Rear) (Side) Recomended Filter use Open the upside panel. period : About 3 months of Front 2. Put up the front panel. The hook of panel comes off. 3. Remove air filter and then out the Nano Front 4. Clean the panel nano vacuum nano plasma pull filter. plasma filter Panel hook plasma filter with cleaner. 5. Relocate dried nano plasma filter at the shade and then put in air filter. Nano plasma filter Owner's Manual 27 Maintenance and Service Common Problems and Solutions Before calling for service If you have problems with your air conditioner, read the following information and try to solve the problem. If you cannot find a solution, turn off the air conditioner and contact your dealer. Air conditioner does not operate 1. Ensure that the air conditioner is 2. Check the fuse or plugged into a proper outlet. circuit breaker. 3. Check whether the voltage is unusually high or low. Air does not feel cold enough on the cooling setting temperature settings are correct. if the air filter is clogged with dust. If so, replace 1. Ensure that the 2. Check to see the filter. 3. Ensure that the air flow from the outside is not obstructed and that there is over 20" between the back of the air conditioner and the wall 4. Close all doors and windows and check for any Before calling for service, please source review the of heat in the following a clearance of fence behind it. or list of room. common problems and solutions. The air conditioner is ? You hear or in and ? a pinging operating normally when: noise. This is caused by humid conditions. This feature is highly improve cooling efficiency. being picked up by the fan on rainy days designed to help remove moisture in the air water You hear the thermostat click. This is caused by the compressor cycle starting and stopping. ? You see highly water dripping humid conditions from the or on rear of the unit. Water may be collected in the base pan in This water overflows and drips from the rear of rainy days. the unit. ? You hear the fan running feature. 28 Room Air Conditioner while the compressor is silent. This is a normal operational Maintenance and Service Troubleshooting The air conditioner may be Problem operating abnormally when: Possible Causes The air conditioner is What To Do ? unplugged. The fuse is blown/circuit breaker is ? sure the air conditioner is plug into the outlet. Check the house fuse/circuit breaker box and tripped. Air Make pushed completely replace the fuse or reset the breaker. conditioner does not start Power failure. ? If power failure occurs, turn the mode control to Off. When power is restored, wait 3 minutes to restart the air conditioner to prevent tripping of the compressor overload. Airflow is restricted. ? Make sure blinds, or there are no furniture curtains, blocking the front of the air conditioner. The thermostat may not be set The air filter is Air ? dirty. ? conditioner it should a higher number. highest setting provides maximum cooling. Clean the filter at least every 2 weeks. See the care and Maintenance section. does not cool as Turn the knob to The high enough. The room may have been ? hot. When the air conditioner is first turned on, you need to allow time for the room Cold air is Cooling escaping. coils have iced up. to cool down. ? Check for open furnace floor and cold air returns. ? See Air Conditioner registers Freezing Up below. Air Ice blocks the air flow and the air conditioner from conditioner stops freezing up cooling * You can refer to the the Energy ? Set the mode control at High High Fan Cool with thermostat at 1 or or 2. room. Star program in detail at www.energystar.gov. Owner's Manual 29 Memo 30 Room Air Conditioner
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