website http://www.lgservice.com LG LG Room Air Conditioner OWNER'S MANUAL MODELS: SU/SZ/S3 Chassis IMPORTANT ? Please read this owner's manual before ? installing and carefully operating your room and thoroughly air conditioner. Please retain this owner's manual for future reference after reading it thoroughly. Room Air Conditioner Owner's Manual TABLE OF CONTENTS Safety Precautions.........................3 FOR YOUR RECORDS Write the model and serial numbers here: Model # Serial # Prior to Operation ..........................9 You find them can on a label on the side of each unit. Dealer's Name Introduction ..................................10 Date Purchased Staple it to prove Electrical Safety ...........................11 receipt to this page in the event you need date of purchase or for warranty issues. your READ THIS MANUAL Inside you will find many helpful hints on how to use and maintain your air conditioner properly. Just a little Operating Instructions.................12 your part can save you a great deal of time and money over the life of your air conditioner. preventive care on You'll find many answers to common problems in the chart of troubleshooting tips. If you review our chart of Maintenance and Service ............26 Troubleshooting Tips first, you may not need to call for service at all. PRECAUTION ? Contact the authorized service technician for repair Contact the installer for installation of this unit. ? The ? ? ? Room Air Conditioner maintenance of this unit. ? ? 2 or appliance is not intended for by young children or infirm persons without supervision. Young children should be supervised to ensure that they do not play with appliance. When the power cord is to be replaced, replacement work shall be 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. if the appliance is supplied from a cord extension set or an electrical portable outlet device, the cord extension set on electrical portable outlet device must be positioned so that it is not subject to splashing or ingress of moisture. use Safety Precautions Precautions Safety To prevent the injury of the other user or 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 or damage. The seriousness is classified 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 Do not For electrical the power plug and socket with the ground work, contact the dealer, seller, a qualified electrician, or an Authorized damaged power cords, plugs, or a loose use socket. Always use terminal. Service Center. ? There is risk of fire or electric ? shock. or electric ? panel and the Do not of control box modify or Do not extend the power cord. There is risk of fire shock. or electric ? There is risk of fire shock. install, remove, or re-install the unit by yourself (customer). securely. ? There is risk of electric shock. shock. Install the cover There is risk of fire or electric ? There is risk of fire, electric shock, explosion, or injury. Owner's Manual 3 Safety Precautions Be cautious when For unpacking and installing the product. contact the dealer Sharp edges could cause injury. Be especially careful of the case edges and the fins on the ? condenser and Be ? There is risk of or defective installation stand. ? injury. It may injury, accident, the product. cause damage to or Do not let the air conditioner area run age. humidity collapses, the air ? conditioner could fall with it, causing property damage, product failure, and fire, electric shock, explosion, does not deteriorate with If the base on a Authorized Service Center. for door ? or an product evaporator. the installation sure Do not install the installation, always or a long time when the is very high and a a window is left open. Moisture may condense and wet or damage furnishings. personal injury. Operation Take care to ensure Do not that power cords could not be place anything Do not turn the on the power cord. air-conditioner ON pulled out or damaged during operation. ? There is risk of fire or electrical shock. 4 Room Air Conditioner or OFF by plugging or unplugging the power plug. ? There is risk of fire shock. or electric ? There is risk of fire shock. or electrical Safety Precautions ? Use a dedicated outlet for this appliance. There is risk of fire or electrical Grasp the plug ? shock. to Do not remove the cord from the outlet. Do other not touch it with wet hands. power cable. There is risk of fire or electrical ? shock. Do not allow water to run There is risk of fire and electric shock. Do not store Do not or use flammable gas or combustibles near the air into electric part. place a heater or appliances near the use product in space for a the tightly closed long time. a conditioner. ? There is risk of fire the product or or failure of ? There is risk of fire failure of ? product. electric shock. Wax Oxygen deficiency could occur. Thinner When flammable gas leaks, turn off the gas and open a the unit if strange sounds, odors, or smoke window for ventilation comes Unplug Stop operation and close the window in storm from it. hurricane. If or possible, before turn the remove DO NOT from the window before the or ? or product on. use the telephone turn switches There is risk of on or explosion off. or fire. the air conditioner hurricane arrives. ? There is risk of electrical shock or fire ? There is risk of damage, property failure of product, or electric shock. Owner's Manual 5 Safety Precautions Do not open the inlet the product during operation. (Do grill of When the product is soaked (flooded or submerged), not touch the contact an Authorized electrostatic filter, if the unit is so equipped.) Service Center. There is risk of ? ? electric physical injury, shock, or product product from time to time when operating it together with a stove, etc. Ventilate the There is risk of fire or eletric ? shock. There is risk of fire or electrical shock. failure. Unplug the appliance before performing cleaning or When the product is not be used for a long time, disconnect the power supply plug or turn off the breaker. maintenance. There is risk of electrical shock. ? ? There is risk of or failure, or product damage Take care nobody to ensure could step that on or onto the outdoor unit. ? unintended This could result in injury and personal product damage. operation. Installation Always check for gas (refrigerant) leakage after installation or repair of product. ? Low refrigerant cause failure of levels may product. Install the drain hose to ensure away ? that water is drained properly. A bad connection may water Keep level even when installing the product. leakage. cause ? To avoid vibration or water leakage. 90˚ 6 Room Air Conditioner fall Safety Precautions Do not install the where the noise Use two product or hot air or more Do not install the people to product where it will be exposed to sea wind (salt spray) directly. lift and transport the air conditioner. from the outdoor unit could damage the neighborhoods. ? It may cause a problem for your ? Avoid personal injury. ? It may cause corrosion on the product. Corrosion, particularly neighbors. the condenser and could or on evaporator fins, product malfunction inefficient operation. cause Operation Do not direct airflow at Do not occupants. (Don't sit in the draft.) special purposes, such as preserving foods, works of room use the art, etc. It is conditioner, product for a consumer not a Do not block the inlet or outlet of air flow. air precision refrigeration system. ? This could damage your health. ? There is risk of of Use not a soft cloth to clean. Do use harsh solvents, ? detergents, loss ? fire, electric shock, or damage to the plastic parts of the product. ? It may cause product failure. property. Do not touch the metal Do not parts of the product when anyting on the product. (outdoor units) removing the air filter. They are very sharp! etc. There is risk of damage or There is risk of personal injury. ? step on or put There is risk of and failure of personal injury product. Owner's Manual 7 Safety Precautions Do not insert hands Always insert the filter securely. Clean the filter every two weeks or often if necessary. A more or filter reduces the dirty efficiency ? objects through and could Use a There and product damage. firm stool maintaining ladder when or are sharp parts that could in. moving cause personal ? It is not cause sanitary and could serious health issues. injury. cause or drained from the unit. outlet while the air plugged ? Do not drink the water other the air inlet conditioner is of the air conditioner malfunction or cleaning or the air conditioner. Replace the all batteries in the remote control with new ones not mix old and new of the same batteries or type. Do different types of batteries. Be careful and avoid ? personal injury. ? There is risk of fire or explosion Disuse Do not recharge or batteries. Do not disassemble the dispose of batteries in If the liquid from the batteries gets onto your skin or clothes, wash it well with clean water. Do not use the remote if the batteries a fire. have leaked. ? They may burn or explode. ? The chemicals in batteries could other health hazards. 8 Room Air Conditioner cause burns or Prior to Prior to for Preparing 1. Contact 2. Operation Operation installation in the power Plug 3. Use an 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. Being exposed to direct airflow for 3. Cleaning or and Maintenance 1. Do not touch the metal 2. Do not 3. long plants 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. occupants, pets, 2. time may be hazardous to your health. Do not expose to direct airflow for a long time. a use parts of the unit when removing the filter. Injury water to clean inside the air conditioner. Exposure to water can occur. can destroy leading to electric shock. When cleaning the unit, first make sure that the power and breaker are turned off. very high speed during operation. There is a possibility of injury if the unit's power cleaning inner parts of the unit. the insulation, The fan rotates at is triggered a while Service For repair and OPERATING maintenance, contact your authorized service dealer. TEMPERATURE(°C)COOLING MODE INDOOR MAX. OUTDOOR MIN. MAX. MIN. 32°C2 1 °C4 3 °C2 1 °C HEATING MODE INDOOR MAX. OUTDOOR MIN. MAX. MIN. 27°C2 0 °C2 4 °C1 °C Owner's Manual 9 Introduction Introduction Symbols used in this Manual This symbol This symbol alerts you to the risk of electric shock. alerts you to hazards that may air conditioner. This NOTICE symbol indicates special cause harm to the notes. Features WARNING: This appliance should be installed in accordance with national wiring regulations. This guide acts as a guide to help to explain product features. Indoor Air Inlet NEO Plasma Filter Air Filter Air Discharge Front Panel Power Cord Signal Receptor Power button Outdoor Air Intake Vents Connecting (Side) Wires Air intake vents Piping Drain Hose Air Outlet Vents 10 Room Air Conditioner Base Plate Air outlet vents (Rear) Piping Electrical Electrical This ? appliance must be Safety properly grounded. To minimize the risk of electric ? Do not cut ? Attaching the unless the house or remove the shock, you grounding adapter ground cover screw must alway plug prong from the power terminal to the wall is metal and not into a grounded oulet plug. receptacle cover screw does not insulated, and the wall receptacle is ground the appliance grounded through the wiring. If you have any doubt whether the air conditioner is circuit checked by a qualified electrician. ? Safety Temporary Use of an properly grounded, have the wall and receptacle Adapter We strongly discourage the use of an adapter due to potential safety hazards. For temporary connections, 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. ? Never use the appliance Temporary with a broken adapter. Use of an Extension Cord We strongly discourage the use of an extension cord due to potential safety hazards. For temporary situations, use only CSA certified and UL listed 3-wire grounded extension cords, rated 15 A, 125 V. Owner's Manual 11 Operating Instructions Instructions Operating How to insert the Batteries 1. Remove the battery cover by pulling it according to the arrow direction. 2. Insert new installed batteries sure that the (+) and (-) of battery are correctly. 3. Reattach the cover by sliding it back into position. Use 2 NOTICE Do Storage ? making AAA(1.5volt) batteries. not use rechargeable batteries. and Tips for using The remote controller may be stored it on a wall. the Remote Controller by mounting To ? operate the conditioner, aim the the signal receptor. room remote controller at air Signal receptor Receives the signals from the remote controller.(Signal receiving sound: two short beeps or one long beep.) Operation indicating lamps On/Off up during : Lights up during Sleep Timer : Lights up during Defrost Mode : Lights Mode Start Outdoor Unit 12 NEO Plasma operation: Stops Timer Mode Auto during Defrost Mode or *Hot operation (Heat pump model only) up Lights up during outdoor (Cooling model only) : The function illustrates its the indoor fan in Room Air Conditioner operation. operation. : Operation *Hot Start system operation. Lights Sleep PLASMA the : unit operation. dynamic Heating Operation mode to Operation indicating lamps by using a multiple lighting system. prevent cold air from blowing out from unit. Operating Remote Control Instructions Operations The controls will look like the 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 stop the speed cooling.(speed cooling operates super high fan speed in or cooling mode.) 5 1 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 9. TIMER SET/CANCEL BUTTON Used to set the timer when the desired time is obtained and to cancel the Timer 12 AUTO CLEAN 17 18 8 13 operation. (See page 22) 14 10. SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation. 16 15 22) (See page 22) 11. AIR CIRCULATION BUTTON Used to circulate the room air without cooling Flip-up door (opened) Operation Mode Operation or Auto Changeover ), Heat Pump Model( 23) 12. ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature. (See page 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. NEO PLASMA(OPTIONAL) Used to start or stop the plasma-purification function. Cooling Operation Auto or ) 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 Press the 1 Start/Stop button. The unit will respond with a beep. 2 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 Dehumidification (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. 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 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, Room Air Conditioner select the fan logic press the Indoor fan natural breeze can 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 only) Press the 1 Start/Stop button. The unit will respond with a beep. 2 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 Cooling ON Instructions 3 The arrow. Auto 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 already been set by the Fuzzy rule. If the system is not operating as desired, manually switch to another mode. The system will not automatically switch from the 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. speed. It has Owner's Manual 15 Operating Auto Instructions changeover operation(Heat pump model only) Press the 1 Start/Stop button. The unit will respond with a beep. 2 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 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 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 The air conditioner changes the operation temperature vary over temperature within ±2°C 16 select the fan automatically to keep indoor temperature. When ±2°C with respect to setting temperature, air conditioner keeps the with respect to setting temperature by auto changeover mode. Room Air Conditioner mode can room room Operating Healthy dehumidification Instructions operation Press the 1 Start/Stop button. The unit will respond with a beep. 2 Open 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 3 speed again operation mode is arrow. Auto Cooling Set the fan the Healthy Heating Dehumidification (Heat pump model only) with the door of the remote controller still closed. You speed in four steps-low, medium, high, or CHAOS. Each time the button is pressed, the fan speed mode is shifted. ON can select the fan 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 model only) Press the 1 Start/Stop button. The unit will respond with a beep. 2 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 temperature higher than the room temperature. The 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 feeling, wind blows like 18 CHAOS by the 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 Press the 1 Start/Stop button. The unit will respond with a beep. 2 Press the Jet Cool button to the speed cooling will operate on 3 cooling operate mode and the unit at super high fan speed mode for 30 minutes. To cancel the Jet Cool mode, press the Jet Cool button, the fan speed button or the room temperature setting button again and the unit will operate at high fan speed on cooling 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, In order to return to the normal mode selection cooling the JET COOL function is not available. 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 NEO PLASMA purification operation(Optional) 1 Press the The unit Start/Stop button. will respond with a beep. 2 Open the door of the remote controller. Press the 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 (PLASMA) can be with cooling, Heating or any other operations. NEO PLASMA Air Purifying Operation only If you press the only PLASMA button, only PLASMA purification function 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 Press the 1 Start/Stop button. The unit will respond with a beep. 2 Open the door of the remote control and press the 2nd Function button to operate functions printed in blue unter 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 mode is available for 1 to 7 times. To sleep stop automatically. by pressing the Sleep alter the time period in steps Mode Auto button 1 to 7 times. The of 1 hour, press the Sleep Mode Button while 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. NOTICE The Sleep Mode will be operated at slow fan speed (cooling) or medium fan speed (heat only) for a comfortable sleep. In mode healthy dehumidification mode: The temperature will automatically rise by 1°C over the sleep. cooling Setting 1. Time pump or next 30 minutes and by 2°C in 1 hour for a comfortable the time you press the Reset button. Having replacing the batteries, you should press the reset buttons to reset the time. Press the Start/Stop button. can be set only when 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 Check if 2nd F icon is off. CANCEL Press the Timer Cancel button (The timer lamp NOTICE Delay 22 on Select aiming the remote controller at the the air conditioner and the one of the following OFF Timer Room Air Conditioner Delay four display will go SET out.) types of operation. ON Timer signal receptor. 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. 1. Press the Start/Stop 2. Press Chaos Swing can be NOTICE If you press the CHAOS swing button, the horizontal airflow direction is 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 button to start the unit. button and the louvers will direction louver will close the air outlet vent of the swing up and down. Press the Chaos Swing button again to set the vertical louver at the system. desired airflow direction. Horizontal Airflow Direction Control (Optional) The left/right(Horizontal Airflow) can be adjusted by using the remote control. Press the Start/Stop button to start the unit. 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 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 a beep. the remote control. Press the Air Circulation button. Close the door Now each time that you press the Indoor Fan and back to low again. CHAOS Air NOTICE with 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. Press the 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 24 Room Air Conditioner press the 2ndF button to set bright display. Instructions Operating Forced operation Operation procedures when the remote control can't be used. The will be started if the power button is If you want to stop operation, re-press the button. operation pressed. Power button Cooling Model Heat pump Model Room Temp. ≥ 24°C2 1 °C ≤ Room Operating mode Cooling Cooling Indoor FAN Speed High High Test operation During the TEST During test Temp. < 21°C Heating High OPERATION, the unit operates in cooling mode High at high speed fan, regardless of room resets in 18 minutes. operation, If you want to Dehumidification Room 22°C2 2 °C2 3 °C2 4 °C Setting Temperature temperature and Healthy Temp. < 24°C use if remote controller this operation, signal is received, the unit operates as remote controller sets. Press and hold the ON/OFF button for 3~5seconds, then the buzzer sound 1 "beep". If you want to stop the operation, re-press the button. Auto restart In 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. case the power Helpful comes on information Fan speed and cooling capacity. The 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. High Speed NOTICE Auto restart function has set enable But customer can set up as by following factory default. this instruction. To be disable function - Press and hold the ON/OFF button for 6 seconds, then the buzzer sound 2 "beep" and the indicator lamp (1) seconds, then the buzzer sound 2 "beep" and the indicator lamp (1) blinks 4 times. To be enable function - Press and hold the ON/OFF button for 6 brights 4 times. Owner's Manual 25 Maintenance and Service Maintenance and Service Indoor Unit WARNING: Turn the system off before cleaning. To clean, wipe with a soft, dry cloth. Do not use bleach Supply NOTICE 1. the Open 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 the inlet electric shock. soft brush and the dirty, opening vacuum cleaner. wash it with water. 5. Reinstall the air filter dried at the shade and then close the panel. Air filters Never ? use cause deformation and/or discoloration. Volatile substances Could 26 followings: Water hotter than 40°C Could ? any of the damage the surfaces of the air conditioner. Room Air Conditioner P owder Gasolin e Maintenance and Service Outdoor Unit The heat exchanger coils and panel vents of the outdoor If clogged with dirt or soot, the heat exchanger and panel vents may be professionally steam cleaned. NOTICE unit should be checked regularly. Dirty or clogged coils will reduce the operating efficiency of the system and cause higher operating costs. Air Intake Connecting Vents (Rear) (Side) Piping Wires Air intake vents Piping Drain Hose Air Outlet Vents Cleaning ? 1. Recomended Air outlet vents Base Plate 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 NEO NEO Front panel 4. Clean NEO the vacuum plasma plasma pull filter. plasma filter Panel hook filter with 5. Relocate dried NEO cleaner. plasma filter at the shade and then put in air filter. NEO 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 proper outlet. a circuit breaker. 3. Check whether the voltage is unusually high low. or Air does not feel cold 1. 2. enough on the cooling setting Ensure that the temperature settings are correct. Check to see if the air filter is clogged with dust. If so, replace 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 clearance of fence behind it. or of heat in the following a 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 highly humid conditions. This improve cooling efficiency. by feature is 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 of the unit. Water may be collected in the base pan in days. This water overflows and drips from the rear of rear rainy 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 when: operating abnormally Possible Causes The air conditioner is What To Do ? unplugged. ? the air conditioner is plug into the outlet. Check the house fuse/circuit breaker box and tripped. Air sure pushed completely The fuse is blown/circuit breaker is Make 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 ? Turn the knob to ? conditioner Clean the filter at least every 2 weeks. See the care and Maintenance does not cool section. set The air filter is Air as high enough. it should The room dirty. may have been ? hot. higher number. The highest setting provides maximum cooling. a 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 conditioner stops the air conditioner from 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 Memo 30 Room Air Conditioner P/No.: 3828A20536N After reading this manual, Printed in Korea keep it in a place easily accessible to the user for future reference.