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(1)MFL67870201(영영) 17. 7. 24. 영영 2:05 Page 1 ENGLISH ITALIANO ESPAÑOL FRANÇAIS OWNER’S MANUAL DEUTSCH AIR CONDITIONER ΕΛΛΗΝΙΚΆ ČEŠTINA NEDERLANDS Please read this manual carefully before operating your set and retain it for future reference. CEILING CASSETTE - 2WAY LIMBA ROMÂNĂ www.lg.com P/NO : MFL67870201 POLSKI Original instruction [Representative] LG Electronics Inc. EU Representative : LG Electronics European Shared Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands [Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro, Seongsangu, Changwon-si, Gyeongsangnam-do, KOREA (1)MFL67870201(영영) 17. 7. 24. 영영 2:05 Page 2 Ceiling Cassette - 2Way Type Indoor Unit Owner’s Manual TABLE OF CONTENTS FOR YOUR RECORDS Safety Precautions.................3 Write the model and serial numbers here: Model # Serial # Prior to Operation ..................8 You can find them on a label on the side of each unit. Dealer's Name Date Purchased Operating Instructions...........9 n Staple your receipt to this page in the event you need it to prove date of purchase or for warranty issues. Maintenance and Service ....10 READ THIS MANUAL Before you Call for Service ............................................12 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 (1)MFL67870201(영영) 17. 7. 24. 영영 2:05 Page 3 Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. n Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. WARNING This symbol indicates the possibility of death or serious injury. CAUTION This symbol indicates the possibility of injury or damage to properties only. n Meanings of symbols used in this manual are as shown below. Be sure not to do. Be sure to follow the instruction. WARNING n Installation Do not use a defective or underrated circuit breaker. Use this appliance on a dedicated circuit. For electrical work, contact the dealer, seller, a qualified electrician, or an Authorized Service Center. • There is risk of fire or electric shock. • Do not disassemble or repair the product. There is risk of fire or electric shock. Install the panel and the cover of control box securely. Always install a dedicated circuit and breaker. • There is risk of fire or electric shock. • Improper wiring or installation may cause fire or electric shock Always ground the product. • There is risk of fire or electric shock. Use the correctly rated breaker or fuse. • There is risk of fire or electric shock. Owner’s Manual 3 ENGLISH Safety Precautions (1)MFL67870201(영영) 17. 7. 24. 영영 2:05 Page 4 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. Do not install the product on a defective installation stand. Do not turn on the breaker or power under condition that front panel, cabinet, top cover, control box cover are removed or opened. • There is risk of fire, electric shock, explosion, or injury. • It may cause injury, accident, or damage to the product. • Otherwise, it may cause fire, electric shock, explosion or death. Be sure the installation area does not deteriorate with age. Use a vacuum pump or Inert (nitrogen) gas when doing leakage test or air purge. Do not compress air or Oxygen and Do not use Flammable gases. Otherwise, it may cause fire or explosion. • There is the risk of death, injury, fire • If the base collapses, the air condior explosion. tioner could fall with it, causing property damage, product failure, and personal injury. 4 Indoor Unit (1)MFL67870201(영영) 17. 7. 24. 영영 2:05 Page 5 Safety Precautions 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 a heater or other 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. • Oxygen deficiency could occur. Stop operation and close the window in storm or hurricane. If possible, remove the product from the window before the hurricane arrives. Do not place anything on the power cable. • There is risk of fire or electric shock. Do not allow water to run into electric parts. Do not touch(operate) the product with wet hands. • There is risk of fire or electrical shock. Do not store or use flammable gas or combustibles near the product. • There is risk of fire, fail- • There is risk of fire or failure of product. ure of the product, 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 Do not open the inlet grill of the product during operation. (Do not touch the electrostatic filter, if the unit is so equipped.) 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. When the product is soaked (flooded or submerged), contact an Authorized Service Center. • There is risk of property • There is risk of physical • There is risk of fire or damage, failure of prod- injury, electric shock, or electric shock. product failure. uct, or electric shock. Owner’s Manual 5 ENGLISH n Operation (1)MFL67870201(영영) 17. 7. 24. 영영 2:05 Page 6 Safety Precautions Be cautious that water could not enter the product. Ventilate the product from time to time when operating it together with a stove, etc. Turn the main power off when cleaning or maintaining the product. • There is risk of fire, electric shock, or product damage. • There is risk of fire or electric shock. • There is risk of electric shock. Take care to ensure that nobody could step on or fall onto the outdoor unit. 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. Do not turn on the breaker or power under condition that front panel, cabinet, top cover, control box cover are removed or opened. • This could result in per- • Moisture may condense • Otherwise, it may cause fire, electric shock, sonal injury and product and wet or damage furexplosion or death. niture. damage. CAUTION n 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. Use two or more people to lift and transport the product. • Avoid personal injury. 6 Indoor Unit (1)MFL67870201(영영) 17. 7. 24. 영영 2:05 Page 7 Safety Precautions Do not expose the skin directly to cool air for long periods of time. (Don't sit in the draft.) 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. Do not block the inlet or outlet of air flow. • This could harm to your • There is risk of damage • It may cause product or loss of property. failure. health. 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. Always insert the filter securely. Clean the filter every two weeks or more often if necessary. Do not touch the metal parts of the product when removing the air filter. They are very sharp! Do not step on or put anyting on the product. (outdoor units) • There is risk of personal • There is risk of personal injury and failure of injury. product. Do not insert hands or other objects through the air inlet or outlet while the product is operated. Do not drink the water drained from the product. • It is not sanitary and • A dirty filter reduces the • There are sharp and could cause serious efficiency of the air con- moving parts that could health issues. cause personal injury. ditioner and could cause product malfunction or damage. Use a firm stool or ladder when cleaning or maintaining the product. • Be careful and avoid personal injury. Owner’s Manual 7 ENGLISH n Operation (1)MFL67870201(영영) 17. 7. 24. 영영 2:05 Page 8 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 (1)MFL67870201(영영) 17. 7. 24. 영영 2:05 Page 9 Operating Instructions ENGLISH Operating Instructions Forced Operation Operation procedures when the remote control can't be used. Press the tact switch (Forced operation) for 2 seconds. If you want to stop operation, press again the tact switch. In case the power comes on again after power failure on the Forced Operation mode, the operating conditions are automatically set as follows: During Forced Operation, the initial mode continues. Forced operation (Tact switch) Cooling Model Operating mode Indoor FAN Speed Setting Temperature Heat pump Model Room Temp. ≥ set Temp. -2 °C Room Temp. < set Temp. -2 °C Cooling High 22 °C Cooling set available set available Heating set available set available Auto Restart Function 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. Tips for Filter sign LED 1. Filter sign lamp (LED) is ON. 2. If LED indicating filter sign lamp is ON, clean the filter. 3. After cleaning the filter, press the Timer button and ◀ button of wired remote controller at the same time for 3 s Then filter sign LED is OFF. Owner’s Manual 9 (1)MFL67870201(영영) 17. 7. 24. 영영 2:05 Page 10 Maintenance and Service Maintenance and Service CAUTION: Before performing any maintenance, turn off the main power to the system. Grille, Case, and Remote Control o Turn the system off before cleaning. To clean, wipe with a soft, dry cloth. Do not use bleach or abrasives. Anti-bacteria filter NOTICE Supply power must be disconnected before cleaning the indoor unit. Air Intake Air Outlet Air Filters The air filters behind the front grille should be checked and cleaned once every 2 weeks or more often if neccessary. Wired Remote Controller (Accessory) 1. Remove the Air filters. n Take hold of the tab and pull slightly forward to remove the filter. Push Button CAUTION: When the air filter is to be removed, do not touch the metal parts of the indoor unit. It may cause an injury. Rack Air Filter n Never use any of the followings: • Water hotter than 40 °C. Could cause deformation and/or discoloration. • Volatile substances. Could damage the surfaces of the air SI conditioner. N NER SC B en 10 zene Indoor Unit O U RIN CLB ARGE 2. Clean dirt from the air filter using a vacuum cleaner or washing with water. n If dirt is conspicuous, wash with a neutral detergent in lukewarm water. n If hot water (50 °C or more) is used, it may be deformed. 3. After washing with water, dry well in the shade. n Do not expose the air filter to direct sunlight or heat from a fire when drying it. 4. Install the air filter. (1)MFL67870201(영영) 17. 7. 24. 영영 2:05 Page 11 Maintenance and Service When it is not going to be used for a long time. When the air conditioner is to be used again. Operate the air conditioner at the following settings for 2 to 3 hours. • Type of operation: Fan operation mode. • This will dry out the internal mechanisms. Turn off the breaker. Clean the air filter and install it in the indoor unit. (Refer to page 10 for cleaning it.) Check that the air inlet and outlet of the indoor/outdoor unit are not blocked. CAUTION Turn off the breaker when the air conditioner is not going to be used for a long time. Dirt may collect and may cause a fire. Check that the ground wire is connected correctly. It may be connect to the indoor unit side. Helpful information The air filters and your electiric bill. If the air filters become clogged with dust, the cooling capacity will drop, and 6 % of the electricity used to operate the air conditioner will be wasted. Operation Tips Do not overcool the room. Keep blinds or curtains closed. Keep the room temperature uniform. This is not good for the health and wastes electricity. Do not let direct sunshine enter the room when the air conditioner is in operation. Adjust the vertical and horizontal airflow direction to ensure a uniform temperature in the room. Make sure that the doors and windows are shut tight. Clean the air filter regularly. Ventilate the room occasionally. Avoid opening doors and windows as much as possible to keep the cool air in the room. Blockages in the air filter reduce the airflow and lower cooling and dehumidifying effects. Clean at least once every two weeks. Since windows are kept closed, it is a good idea to open them and ventilate the room now and then. Owner’s Manual 11 ENGLISH When the air conditioner is not going to be used for a long time. (1)MFL67870201(영영) 17. 7. 24. 영영 2:05 Page 12 Maintenance and Service Before you call for service... ? Troubleshooting Tips! Save time and money! Check the following points before requesting repairs or service.... If the malfunction persist, please contact your dealer. The air conditioner does not operate. The room has a peculiar odor. It seems that condensation is leaking from the air conditioner. Air conditioner does not operate for about 3 minutes when restart. • Have you made a mistake in timer operation? • Has the fuse blown or has the circuit breaker been tripped? • Check that this is not a damp smell exuded by the walls, carpet, furniture or cloth items in the room. • Condensation occurs when the airflow from the air conditioner cools the warm room air. • This is the protector of the mechanism. • Wait about three minutes and operation will begin. Does not cool or heat effectively. The air conditioner operation is noisy. Crack sound is heard. Remote control display is faint, or no display at all. • Is the air filter dirty? See air filter cleaning instructions. • The room may have been very hot when the room air conditioner was first turned on. Allow time for it to cool down. • Has the temperature been set incorrectly? • Are the indoor unit's air inlet or outlet vents obstructed? • For a noise that sounds like water flowing. -This is the sound of freon flowing inside the air conditioner unit. • For a noise that sounds like the compressed air releasing into atmosphere. -This is the sound of the dehumidifying water being processed inside the air conditioning unit. • This sound is generated by the expansion/ constriction of the front panel, etc. due to changes of temperature. • Are the batteries depleted? • Are the batteries inserted in the opposite (+) and (-) directions? Filter sign lamp (LED) is ON. • Cleaning the filter, press the Timer button and ◀ button of wired remote controller at the same time for 3 s NOTICE WATER RESISTANT: The outdoor side of this appliance is WATER RESISTANT. The indoor side is not water resistant and should not be exposed to excess water. 12 Indoor Unit (1)MFL67870201(영영) 17. 7. 24. 영영 2:05 Page 100
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