LG ENGLISH System Indoor Unit (2 Series) OWNER'S MANUAL Type: Wall mounted ITALIANO ESPAÑOL FRANÇAIS DEUTSCH OPERATING TEMPERATURE(°C) COOLING MODE INDOOR OUTDOOR MAX. MIN. MAX. MIN. 32°C 21°C 43°C 21°C HEATING MODE INDOOR OUTDOOR MAX. MIN. MAX. MIN. 27°C 20°C 24°C 1°C 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. Wall Mounted Type Indoor Unit Owner's Manual TABLE OF CONTENTS FOR YOUR RECORDS Safety Precautions.................3 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. Prior to Operation ..................8 Operating Instructions...........9 Maintenance and Service ....12 Before you Call for Service .........................14 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 air conditioner is not intended for use by young children or invalids without supervision. · Young children should be supervised to ensure that they do not play with the air conditioner. · 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. 2 Indoor Unit 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. ENGLISH WARNING CAUTION This symbol indicates the possibility of death or serious injury. This symbol indicates the possibility of injury or damage to properties only. I Meanings of symbols used in this manual are as shown below. Be sure not to do. Be sure to follow the instruction. I Installation Do not use a defective or underrated circuit breaker. Use this appliance on a dedicated circuit. · There is risk of fire or electric shock. WARNING For electrical work, contact the dealer, seller, a qualified electrician, or an Authorized Service Center. · Do not disassemble or repair the product. There is risk of fire or electric shock. Always ground the product. · There is risk of fire or electric shock. Install the panel and the cover of control box securely. · There is risk of fire or electric shock. Always install a dedicated circuit and breaker. · Improper wiring or installation may cause fire or electric shock Use the correctly rated breaker or fuse. · There is risk of fire or electric shock. Owner's Manual 3 Safety Precautions Do not modify or extend the power cable. · There is risk of fire or electric shock. Do not install, remove, or re-install the unit by yourself (customer). · There is risk of fire, electric shock, explosion, or injury. Be cautious when unpacking and installing the product. · Sharp edges could cause injury. Be especially careful of the case edges and the fins on the condenser and evaporator. For installation, always contact the dealer or an Authorized Service Center. · There is risk of fire, electric shock, explosion, or injury. Do not install the product on a defective installation stand. · It may cause injury, accident, or damage to the product. Be sure the installation area does not deteriorate with age. · If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury. I Operation Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open. · Moisture may condense and wet or damage furniture. Take care to ensure that power cable could not be pulled out or damaged during operation. · There is risk of fire or electric shock. 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 during operation. · There is risk of fire or electric shock. Do not touch(operate) the product with wet hands. · There is risk of fire or electrical shock. Do not place a heater or other appliances near the power cable. · There is risk of fire and electric shock. 4 Indoor Unit Safety Precautions Do not allow water to run into electric parts. · It may cause There is risk of fire, failure of the product, or electric shock. Do not store or use flammable gas or combustibles near the product. · There is risk of fire or failure of product. Do not use the product in a tightly closed space for a long time. · Oxygen deficiency could occur. ENGLISH Gasolin 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 If strange sounds, or small or smoke comes from product. Turn the breaker off or disconnect the power supply cable. · There is risk of electric shock or fire. Stop operation and close the window in storm or hurricane. If possible, remove the product from the window before the hurricane arrives. · There is risk of property damage, failure of product, or electric shock. Do not open the inlet grill 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. When the product is soaked (flooded or submerged), contact an Authorized Service Center. · There is risk of fire or electric shock. Be cautious that water could not enter the product. · There is risk of fire, electric shock, or product damage. Ventilate the product from time to time when operating it together with a stove, etc. · There is risk of fire or electric shock. Turn the main power off when cleaning or maintaining the product. · There is risk of electric shock. Owner's Manual 5 Safety Precautions When the product is not 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. Take care to ensure that nobody could step on or fall onto the outdoor unit. · This could result in personal injury and product damage. CAUTION I Installation Always check for gas (refrigerant) leakage after installation or repair of product. · Low refrigerant levels may cause failure of product. Install the drain hose to ensure that water is drained away properly. · A bad connection may cause water leakage. Keep level even when installing the product. · To avoid vibration or water leakage. 90° Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods. · It may cause a problem for your neighbors. Use two or more people to lift and transport the product. · Avoid personal injury. Do not install the product where it will be exposed to sea wind (salt spray) directly. · It may cause corrosion on the product. Corrosion, particularly on the condenser and evaporator fins, could cause product malfunction or inefficient operation. I Operation Do not expose the skin directly to cool air for long periods of time. (Don't sit in the draft.) · This could harm to your health. 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. 6 Indoor Unit Safety Precautions Do not block the inlet or outlet of air flow. · It may cause product failure. Use a soft cloth to clean. Do not use harsh detergents, solvents, etc. · There is risk of fire, electric shock, or damage to the plastic parts of the product. Do not touch the metal parts of the product when removing the air filter. They are very sharp! · There is risk of personal injury. ENGLISH x Wa Thinner Do not step on or put anyting on the product. (outdoor units) · There is risk of personal injury and failure of product. Always insert the filter securely. Clean the filter every two weeks or more often if necessary. · A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage. Do not insert hands or other objects through the air inlet or outlet while the product is operated. · There are sharp and moving parts that could cause personal injury. Do not drink the water drained from the product. Use a firm stool or ladder when cleaning or maintaining the product. 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 explosion · It is not sanitary and could cause serious health issues. · Be careful and avoid personal injury. Do not recharge or disassemble the batteries. Do not dispose of batteries in a fire. · They may burn or explode. 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 have leaked. · The chemicals in batteries could cause burns or other health hazards. If you eat the liquid from the batteries, brush your teeth and see doctor. Do not use the remote if the batteries have leaked. · The chemicals in batteries could cause burns or other health hazards. Owner's Manual 7 Prior to operation Prior to Operation Preparing for operation 1. Contact an installation specialist for installation. 2. Use a dedicated circuit. Usage 1. Being exposed to direct airflow for an extended period of time could be hazardous to your health. Do not expose occupants, pets, or plants to direct airflow for extended periods of time. 2. Due to the possibility of oxygen deficiency, ventilate the room when used together with stoves or other heating devices. 3. Do not use this air conditioner for non-specified special purposes (e.g. preserving precision devices, food, pets, plants, and art objects). Such usage could damage the items. Cleaning and maintenance 1. Do not touch the metal parts of the unit when removing the filter. Injuries can occur when handling sharp metal edges. 2. Do not use water to clean inside the air conditioner. Exposure to water can destroy the insulation, leading to possible electric shock. 3. When cleaning the unit, first make sure that the power and breaker are turned off. The fan rotates at a very high speed during operation. There is a possibility of injury if the unit's power is accidentally triggered on while cleaning inner parts of the unit. Service For repair and maintenance, contact your authorized service dealer. 8 Indoor Unit Product Introduction Product Introduction Here is a brief introduction of the indoor units. Please see the information specific to your indoor unit type. ENGLISH Indoor Units Air inlet Grille tab Plasma filter (Optional) Front grille ON/OFF button Air filter Air outlet Louvers (Vertical blades) Flap (Horizontal blade) Signal receiver Operation indication lamps On/Off Sleep mode Plasma Timer : Lights up during the system operation, error code and auto restart setting. : Lights up during sleep mode auto operation. : The function illustrates its dynamic mode by using a multiple lighting system. : Lights up during timer operation or sleep mode auto operation. Defrost mode : Lights up during defrost mode or *hot start operation (Heat pump model only) Power Display : Indicates the setting temperature and operation mode. (Cooling, heating,auto operation,dehumidification mode) * Hot start operation: Stops the indoor fan in heating operation for minutes to prevent cold air from blowing out from unit. * In defrost mode unit stops heating operation for few minutes to remove formation of ice on the heat exchanger coils to maintain the efficiency. Owner's Manual 9 Operating Instructions Operating Instructions Name and function of wired remote controller(Optional) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 · Wired remote controller: PQRCUSA0 1. Operation indication screen 2. Set temperature button 3. Wireless remote controller Receiver · Some kind of product could not receive wireless signal. 4. Ventilation button 5. Operati ...