Visit us at http://www.lgservice.com LG LG Room Air Conditioner OWNER'S MANUAL Dear Owner Thank you for installing LG air conditioner. Your best choice guarantees you a great performance and service to make your life comfortable & pleasant. IMPORTANT · Please read this owner's manual carefully and thoroughly before installing and operating your room air conditioner. · Please retain this owner's manual for future reference after reading it thoroughly. Room Air Conditioner Owner's Manual TABLE OF CONTENTS A. Safety Precautions ..............................3 B. Electrical Safety...................................6 Temporary Use of an Adapter ...............6 Temporary Use of an Extension Cord ...6 Symbols used in this Manual.................6 C. Product Introduction...........................7 Indoor Units ...........................................7 Operation Indication Lamps ..................8 Outdoor Unit ..........................................8 D. Operating Instructions........................9 How to insert the Batteries ....................9 Wireless Remote Controller Maintenance..........................................9 Operating Method..................................9 Wireless Remote Controller.................10 Operation Mode...................................11 Healthy Dehumidification Operation....12 Auto Operation (Cooling Only Model)...........................12 Auto Changeover Operation (Heat Pump Model) .............................12 Jet Cool/Heat Operation......................13 NEO PLASMA Purification Operation (Optional).............................................13 Auto Clean (Optional)..........................13 Energy-Saving Cooling Mode (Optional).............................................14 Forced operation .................................14 Sleep Mode .........................................15 Setting the Current Time .....................15 Timer Setting .......................................15 Vertical / Horizontal Airflow Direction Control (Optional) ................................16 Air Circulation Mode ............................16 Auto Restart Function..........................16 E. Maintenance and Service..................17 Indoor Unit...........................................17 Outdoor Unit ........................................19 Operation Tips!....................................19 Self-Diagnosis Function ......................19 Troubleshooting Tips! Save time and money!.........................20 Call the service immediately in the following situations ..............................20 FOR YOUR RECORDS Write the model and serial numbers here: Model # Serial # You can find them on a label on the side of each unit. Dealer's Name Date Purchased I Staple your receipt to this page in the event you need it to prove date of purchase or for warranty issues. 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 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 appliance is not intended for use 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. 2 Room Air Conditioner Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. I Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. This symbol indicates the possibility of death or serious injury. This symbol indicates the possibility of injury or damage. I 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 with a ground terminal. · There is a risk of electric shock. For electrical work, contact the dealer, seller, a qualified electrician, or an Authorized Service Center. Do not disassemble or repair the product by yourself. · There is risk of fire or electric shock. Use the correctly rated breaker or fuse. Do not use a defective or underrated circuit breaker. Use the correctly rated breaker and fuse. · There is risk of fire or electric shock . Always ground the product as per the wiring diagram. Do not connect the ground wire to gas or water pipes lightening 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 or skin peeled off or deteriorated then it must be replaced. · There is risk of fire or electric shock. Never install the outdoor unit on a moving base or a place from where it can fall down. · The falling outdoor unit can cause damage or injury or even death of a person. When installing the unit, use the installation kit provided with the product. Do not use a multi consent. Always use this appliance on a dedicated cicuit and breaker. · Otherwise it can cause electric shock or fire. Install the panel and the cover of control box securely. · There is risk of fire or electric shock due to dust , water etc. For installation, removal or reinstall , always contact the dealer or an Authorized Service Center. · There is risk of fire, electric shock, explosion, or injury. When the product is soaked (flooded or submerged) in water , contact an Authorized Service Center for repair before using it again. · There is risk of fire or eletric shock. Be sure to use only those parts which are listed in the svc parts list. Never attempt to modify the equipment. · There is risk of fire or electric shock. Do not install the product on a defective installation stand. Be sure that the installation area does not deteriorate with age. · It may cause product to fall. In outdoor unit the step-up capacitor supplies high voltage electricity to the electrical components. Be sure to discharge the capacitor completely before conducting the repair work. · An charged capacitor can cause electrical shock. · Otherwise the unit may fall and cause severe injury. · The use of inappropriate parts can cause an electrical shock, excessive heat generation or fire. Owner's Manual 3 Safety Precautions Indoor/outdoor wiring connections must be secured tightly and the cable should be routed properly so that there is no force pulling the cable from the connection terminals. · Improper or loose connections can cause heat generation or fire. Be sure to check the refrigerant to the used. Please read the label on the product. · Incorrect refrigerant used can prevent the normal operation of the unit. Do not place a heater or other heating appliances near the power cable. · There is risk of fire and electric shock. Do not use the product in a tightly closed space for a long time. Perform ventilation regularly. · Oxygen deficiency could occur and hence harm your health. Ventilate the product room from time to time when operating it together with a stove, or heating element etc. · Oxygen deficiency can occur and hence harm your health. Take care to ensure that nobody especially kids could step on or fall onto the outdoor unit. · This could result in personal injury and product damage. Safely dispose off the packing materials. Like screws, nails, batteries, broken things etc after installation or svc and then tear away and thraw away the plastic packaging bags. · Children may play with them and cause injury. Don't use a power cord, a plug or a loose socket which is damaged. · Otherwise it may cause a fire or electrical shock. Do not allow water to run into electric parts. Install the unit away from water sources. · There is risk of fire, failure of the product, or electric shock. Do not open the front grille of the product during operation. (Do not touch the electrostatic filter, if the unit is so equipped.) · There is risk of physical injury, electric shock, or product failure. Turn the main power off and unplug the unit when cleaning or repairing the product. · There is risk of electric shock. Take care to ensure that power cable could not be pulled out or damaged during operation. · There is risk of fire or electric shock. Make sure to check that the power cable plug is not dirty, loose or broken and then only insert the plug completely. · Dirty, loose or broken power plug can cause electric shock or fire. Do not touch , operate, or repair the product with wet hands. Hold the plug by hand when taking out · There is risk of electric shock or fire. Do not store or use or even allow flammable gas or combustibles near the product. · There is risk of fire. If strange sounds, smell or smoke comes from product.Immediately turn the breaker off or disconnect the power supply cable. · There is risk of electric shock or fire. When the product is not to be used for a long time, disconnect the power supply plug or turn off the breaker. · There is risk of product damage or failure, or unintended operation. Do not place ANYTHING on the power cable. · There is risk of fire or electric shock. Do not plug or unplug the power supply plug to turn the unit ON/OFF . · There is risk of fire or electric shock. When flammable gas leaks, turn off the gas and open a window for ventilation before turn the product on. · Do not use the telephone or turn switches on or off. There is risk of explosion or fire. Two or more people must lift and transport the product. · Avoid personal injury. Keep level even when installing the product. · To avoid vibration or noise. Do not install the product where it will be exposed to sea wind (salt spray) directly. · It may cause corrosion on the product. Do not install the product where the noise or hot air from the outdoor unit could damage or disturb the neighborhoods. · It may cause a problem for your neighbors and hence dispute. Install the drain hose to ensure that the condensed water is drained away properly. · A bad connection may cause water leakage. Always check for gas (refrigerant) leakage after installation or repair of product. · Low refrigerant levels may cause failure of product. 4 Room Air Conditioner Safety Precautions Do not use the product for special purposes, such as preserving foods, works of art, etc. It is a consumer air conditioner, not a precision refrigeration system. · There is risk of damage or loss of property. Do not touch the metal parts of the product when removing the air filter. · There is risk of personal injury. Do not insert hands or other objects through the air inlet or outlet while the product is operating. · There are sharp and moving parts that could cause personal injury. Do not tilt the unit when removing or uninstalling it. · The condensed water inside can spill . Do not block the inlet or outlet of air flow. Use a soft cloth to clean. Do not use harsh detergents, solvents or splashing water etc. · There is risk of fire, electric shock, or damage to the plastic parts of the product. Always insert the filter securely after cleaning. Clean the filter every two weeks or more often if necessary. · A dirty filter reduces the efficiency. If the refrigerant gas leaks during the repair, do not touch the leakaing refrigerant gas. · The refrigernat gas can cause frostbite (cold burn) If the refrigerant gas leaks during the installation, ventilate the area immediately. · Otherwise it can be harmfull for your health. · It may cause product failure. Do not step on or put anyting on the product. (outdoor units) · There is risk of personal injury and failure of product. Be cautious when unpacking and installing the product. · Sharp edges could cause injury. Do not mix air or gas other than the specified refrigerant used in the system . · If air enters the refrigerant system, an excessively high pressure results, causing equipment damage or injury. Replace the all batteries in the remote control with new ones of the same type. Do not mix old and new batteries or different types of batteries. · There is risk of fire or product failure. Do not let the air c ...