OWNER’S MANUAL
AIR
CONDITIONER
Please read this manual carefully before operating your set and retain it for future reference.
CEILING CASSETTE, CEILING CONCEALED DUCT
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,
Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA
MFL67870330 |
www.lg.com |
Rev.02_033120 |
Copyright © 2016 - 2020 LG Electronics Inc. All Rights Reserved. |
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<![if ! IE]> <![endif]>УКРАÏНСЬКА |
<![if ! IE]> <![endif]>ITALIANO |
<![if ! IE]> <![endif]>ТІЛІ ҚАЗАҚ |
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2 TIPS FOR SAVING ENERGY
TIPS FOR SAVING ENERGY
Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below:
•Do not cool excessively indoors. This may be harmful for your health and may consume more electricity.
•Block sunlight with blinds or curtains while you are operating the air conditioner.
•Keep doors or windows closed tightly while you are operating the air conditioner.
•Adjust the direction of the air flow vertically or horizontally to circulate indoor air.
•Speed up the fan to cool or warm indoor air quickly, in a short period of time.
•Open windows regularly for ventilation as the indoor air quality may deteriorate if the air conditioner is used for many hours.
•Clean the air filter once every 2 weeks. Dust and impurities collected in the air filter may block the air flow or weaken the cooling / dehumidifying functions.
For your records
Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes. Write the model number and the serial number here:
Model number :
Serial number :
You can find them on a label on the side of each unit.
Dealer’s name :
Date of purchase :
IMPORTANT SAFETY INSTRUCTIONS 3
IMPORTANT SAFETY INSTRUCTIONS
The following symbols are displayed on indoor and outdoor units.
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Read the precautions in this manual |
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This appliance is filled with |
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carefully before operating the unit. |
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flammable refrigerant (R32) |
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This symbol indicates that the |
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This symbol indicates that a service |
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personnel should be handling this |
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Operation Manual should be read |
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equipment with reference to the |
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carefully. |
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Installation Manual. |
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READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.
Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product
! WARNING
It can result in serious injury or death when the directions are ignored
! CAUTION
It can result in minor injury or product damage when the directions are ignored. This appliance is intended to be used by expert or trained users in shops, in light industry and on farms, or for commercial use by lay persons.
!WARNING
•Always ground the product. There is a risk of electric shock.
•Do not use a defective or underrated circuit breaker. Use the correctly rated breaker and fuse. There is risk of fire or electric shock.
•Do not use a multi consent. Always use this appliance on a dedicated cicuit and breaker.
Otherwise it can cause electric shock or fire.
•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.
•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.
•Install the panel and the cover of control box securely. There is risk of fire or electric shock due to dust, water etc.
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IMPORTANT SAFETY INSTRUCTIONS |
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• Use the correctly rated breaker or fuse. There is risk of fire or |
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electric shock. |
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• Do not modify or extend the power cable. If the power cable or |
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cord has scrathes or skin peeled off or deteriorated then it must |
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be replaced. There is risk of fire or electric shock. |
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• For installation, removal or reinstall, always contact the dealer |
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or an Authorized Service Center. There is risk of fire, electric |
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shock, explosion, or injury. |
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• Do not install the product on a defective installation stand. Be |
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sure that the installation area does not deteriorate with age. It |
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may cause product to fall. |
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• Never install the outdoor unit on a moving base or a place from |
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where it can fall down. |
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The falling outdoor unit can cause damage or injury or even |
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death of a person. |
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• When the product is soaked (flooded or submerged) in water, |
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contact an Authorized Service Center for repair before using it |
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again. There is risk of fire or eletric shock. |
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• Be sure to check the refrigerant to the used. Please read the |
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label on the product. Incorrect refrigerant used can prevent the |
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normal operation of the unit. |
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• Don't use a power cord, a plug or a loose socket which is |
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damaged. Otherwise it may cause a fire or electrical shock. |
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• Do not touch, operate, or repair the product with wet hands. |
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Hold the plug by hand when taking out. There is risk of electric |
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shock or fire. |
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• Do not place a heater or other heating appliances near the |
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power cable. There is risk of fire and electric shock. |
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• Do not allow water to run into electric parts. Install the unit away |
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from water sources. There is risk of fire, failure of the product, |
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or electric shock. |
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• Do not store or use or even allow flammable gas or |
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combustibles near the product. There is risk of fire. |
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• Indoor/outdoor wiring connections must be secured tightly and |
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the cable should be routed properly so that there is no force |
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pulling the cable from the connection terminals. Improper or |
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loose connections can cause heat generation or fire. |
IMPORTANT SAFETY INSTRUCTIONS |
5 |
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• Safely dispose off the packing materials. Like screws, nails, |
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batteries, broken things etc after installation or svc and then |
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tear away and thraw away the plastic packaging bags. Children |
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may play with them and cause injury. |
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• Make sure to check that the power cable plug is not dirty, loose |
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or broken and then only insert the plug completely. Dirty, loose |
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or broken power plug can cause electric shock or fire. |
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• In outdoor unit the step-up capacitor supplies high voltage |
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electricity to the electrical components. Be sure to discharge |
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the capacitor completely before conducting the repair work. |
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An charged capacitor can cause electrical shock. |
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• When installing the unit, use the installation kit provided with the |
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product. Otherwise the unit may fall and cause severe injury. |
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• Be sure to use only those parts which are listed in the svc parts |
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list. Never attempt to modify the equipment. The use of |
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inappropriate parts can cause an electrical shock, excessive |
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heat generation or fire. |
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• Do not use the product in a tightly closed space for a long time. |
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Perform ventilation regularly. Oxygen deficiency could occur |
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and hence harm your health. |
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• Do not open the front grille of the product during operation. (Do |
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not touch the electrostatic filter, if the unit is so equipped.) |
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There is risk of physical injury, electric shock, or product failure. |
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• If strange sounds, smell or smoke comes from product. |
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Immediately turn the breaker off or disconnect the power supply |
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cable. There is risk of electric shock or fire. |
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• Ventilate the product room from time to time when operating it |
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together with a stove, or heating element etc. Oxygen |
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deficiency can occur and hence harm your health. |
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• Turn the main power off and unplug the unit when cleaning or |
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repairing the product. There is risk of electric shock. |
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• When the product is not to be used for a long time, disconnect |
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the power supply plug or turn off the breaker. There is risk of |
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product damage or failure, or unintended operation. |
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• Take care to ensure that nobody especially kids could step on |
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or fall onto the outdoor unit. This could result in personal injury |
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and product damage. |
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6 |
IMPORTANT SAFETY INSTRUCTIONS |
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• Take care to ensure that power cable could not be pulled out or |
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damaged during operation. There is risk of fire or electric shock. |
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• Do not place ANYTHING on the power cable. There is risk of |
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fire or electric shock. |
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• Do not plug or unplug the power supply plug to turn the unit |
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ON/OFF. There is risk of fire or electric shock. |
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• When flammable gas leaks, turn off the gas and open a window |
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for ventilation before turn the product on. Do not use the |
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telephone or turn switches on or off. There is risk of explosion |
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or fire. |
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• Do not turn on the breaker or power under condition that front |
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panel, cabinet, top cover, control box cover are removed or |
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opened. |
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Otherwise, it may cause fire, electric shock, explosion or death. |
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• Use a vacuum pump or Inert (nitrogen) gas when doing leakage |
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test or air purge. Do not compress air or Oxygen and Do not |
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use Flammable gases. |
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Otherwise, it may cause fire or explosion. There is the risk of |
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death, injury, fire or explosion. |
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• The appliance shall be stored in a room without continuously |
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operating ignition sources (for example : open flames, an |
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operating gas appliance or an operating electric heater.) |
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• Keep any required ventilation openings clear of obstruction. |
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• The appliance shall be stored in a well-ventilated area where |
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the room size corresponds to the room area as specified for |
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operation. (for R32) |
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• Ducts connected to an appliance shall not contain an ignition |
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source. (for R32) |
! CAUTION
• Two or more people must 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.
• Install the drain hose to ensure that the condensed water is drained away properly. A bad connection may cause water leakage.
IMPORTANT SAFETY INSTRUCTIONS |
7 |
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• Keep level even when installing the product. To avoid vibration |
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or noise. |
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• Do not install the product where the noise or hot air from the |
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outdoor unit could damage or disturb the neighborhoods. It may |
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cause a problem for your neighbors and hence dispute. |
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• Always check for gas (refrigerant) leakage after installation or |
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repair of product. Low refrigerant levels may cause failure of |
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product. |
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• Do not use the product for special purposes, such as |
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preserving foods, works of art, etc. It is a consumer air |
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conditioner, not a precision refrigeration system. There is risk of |
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damage or loss of property. |
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• Do not block the inlet or outlet of air flow. It may cause product |
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failure. |
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• Use a soft cloth to clean. Do not use harsh detergents, solvents |
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or splashing water etc. There is risk of fire, electric shock, or |
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damage to the plastic parts of the product. |
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• Do not touch the metal parts of the product when removing the |
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air filter. There is risk of personal injury. |
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• Do not step on or put anyting on the product. (outdoor units) |
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There is risk of personal injury and failure of product. |
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• Always insert the filter securely after cleaning. Clean the filter |
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every two weeks or more often if necessary. A dirty filter |
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reduces the efficiency. |
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• Do not insert hands or other objects through the air inlet or |
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outlet while the product is operating. There are sharp and |
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moving parts that could cause personal injury. |
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• Be cautious when unpacking and installing the product. Sharp |
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edges could cause injury. |
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• If the refrigerant gas leaks during the repair, do not touch the |
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leakaing refrigerant gas. The refrigernat gas can cause frostbite |
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(cold burn) |
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• Do not tilt the unit when removing or uninstalling it. The |
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condensed water inside can spill. |
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• Do not mix air or gas other than the specified refrigerant used in |
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the system. If air enters the refrigerant system, an excessively |
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high pressure results, causing equipment damage or injury. |
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8 |
IMPORTANT SAFETY INSTRUCTIONS |
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<![if ! IE]> <![endif]>ENGLISH |
• If the refrigerant gas leaks during the installation, ventilate the |
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area immediately. |
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Otherwise it can be harmfull for your health. |
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• Dismantling the unit, treatment of the refrigerant oil and |
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eventual parts should be done in accordance with local and |
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national standards. |
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• Replace the all batteries in the remote control with new ones of |
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the same type. Do not mix old and new batteries or different |
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types of batteries. There is risk of fire or product failure. |
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• Do not recharge or disassemble the batteries. Do not dispose |
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off batteries in a fire. They may burn or explode. |
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• If the liquid from the batteries gets onto your skin or clothes, |
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wash it well with clean water. Do not use the remote if the |
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batteries have leaked. The chemicals in batteries could cause |
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burns or other health hazards. |
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• If you eat the liquid from the batteries, brush your teeth and see |
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doctor. |
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Do not use the remote if the batteries have leaked. The |
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chemicals in batteries could cause burns or other health |
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hazard. |
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• Do not let the air conditioner run for a long time when the |
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humidity is very high and a door or a window is left open. |
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Moisture may condense and wet or damage furniture. |
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• Do not expose your skin or kids or plants to the cool or hot air |
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draft. This could harm to your health. |
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• Do not drink the water drained from the product. It is not |
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sanitary and could cause serious health issues. |
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• Use a firm stool or ladder when cleaning, maintaining or |
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repairing the product at an height. Be careful and avoid |
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personal injury. |
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• The air conditioner is not intended for use by young children or |
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invalids without supervision. |
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• Young children should be supervised to ensure that they do not |
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play with the air conditioner. |
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• The appliance shall be stored so as to prevent mechanical |
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damage from occurring. |
IMPORTANT SAFETY INSTRUCTIONS |
9 |
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• Any person who is involved with working on or breaking into a |
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refrigerant circuit should hold a current valid certificate from an |
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industry-accredited assessment authority, which authorises |
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their competence to handle refrigerants safely in accordance |
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with an industry recognised assessment specification. (for R32) |
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• Servicing shall only be performed as recommended by the |
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equipment manufacturer. Maintenance and repair requiring the |
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assistance of other skilled personnel shall be carried out under |
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the supervision of the person competent in the use of |
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flammable refrigerants. (for R32) |
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• Wear adequate personal protection equipment (PPE) when |
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installing, maintaining or servicing the product. |
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• This appliance can be used by children aged from 8 years and |
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above and persons with reduced physical, sensory or mental |
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capabilities or lack of experience and knowledge if they have |
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been given supervision or instruction concerning use of the |
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appliance in a safe way and understand the hazards involved. |
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Children shall not play with the appliance. Cleaning and user |
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maintenance shall not be made by children without supervision. |
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• This appliance is not intended for use by persons (including |
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children) with reduced physical, sensory or mental capabilities |
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or lack of experience and knowledge, unless they have been |
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given supervision or instruction concerning use of the appliance |
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by a person responsible for their safety. Children should be |
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supervised to ensure that they do not play with the appliance. |
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• If the supply cord is damaged, it must be replaced by a special |
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cord or assembly available from the manufacturer of its service |
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agent. |
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• The appliance shall be installed in accordance with national |
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wiring regulations. |
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• If anyone other than a licensed Professional installs, repairs, or |
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alters LG Electronics Air Conditioning Products, the warranty is |
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voided. |
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- All costs associated with repair are then the full responsibility |
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of the owner. |
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<![endif]>ENGLISH
10 TABLE OF CONTENTS
TABLE OF CONTENTS
2TIPS FOR SAVING ENERGY
3IMPORTANT SAFETY INSTRUCTIONS
12 |
BEFORE USE |
12 |
About the system |
12 |
Preparing for operation |
12 |
Usage |
12 |
Cleaning and maintenance |
12Service
12Disposal
13PRODUCT INTRODUCTION
13 |
Name and function of parts (CEILING CASSETTE) |
13 |
Name and function of parts (CEILING CONCEALED DUCT) |
14 |
Model designation |
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Operation Indicator Lamp |
15 |
Wired Remote Controller |
16 |
Wireless Remote Controller (Accessory) |
17 |
OPERATING INSTRUCTIONS |
17Standard Operation - Standard Cooling
18Standard Operation - Power Cooling
18Standard Operation - Heating Mode
19Standard Operation - Dehumidification Mode
19Auto Changeover Mode
20Standard Operation - Fan Mode
21Standard Operation - Auto Operation Mode
22Standard Operation - Airflow Setting
23Standard Operation - Temperature Setting/Room Temperature Check
24Sub Function - Plasma Purification(Accessory)
25Sub Function - Comfort Cooling
25Function Setting - Child Lock
26Function Setting - Change Temp
27Function Setting - Elevation Grill(Accessory)
28Function Setting - Filter Sign Clear
29Function Setting - Vane Angle Control
30Function Setting - Changing Current Time
32Programming - Simple Reservation
33Programming - Weekly Reservation
35Programming - Sleep Reservation
36Programming - ON Reservation
38Programming - OFF Reservation
40Programming - Holiday Reservation
41 MAINTENANCE AND SERVICE
41Indoor Unit
42Purifying filter(Optional)
43Operation Tips!
43When the air conditioner is not going....
44Troubleshooting Tips! Save time and money!
44 Call the service immediately in the following situations
TABLE OF CONTENTS 11
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12 BEFORE USE
BEFORE USE
About the system
This system of air conditioner can be used for heating/cooling applications.
Preparing for operation
•Contact an installation specialist for installation.
•Use a dedicated circuit.
Usage
•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.
•Due to the possibility of oxygen deficiency, ventilate the room when used together with stoves or other heating devices.
•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
•Do not touch the metal parts of the unit when removing the filter. Injuries can occur when handling sharp metal edges.
•Do not use water to clean inside the air conditioner. Exposure to water can destroy the insulation, leading to possible electric shock.
•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.
Disposal
The unit uses hydrofluorocarbon. Contact your dealer when discarding this unit. It is required by law to collect, transport and discard the refrigerant in accordance with the “hydrofluorocarbon collection and destruction” regulations.
PRODUCT INTRODUCTION 13
PRODUCT INTRODUCTION
Name and function of parts (CEILING CASSETTE)
6 7 |
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1: Indoor unit |
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2: Outdoor unit |
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3: Remote controller |
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4: Inlet air |
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5: Discharge air |
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6: Refrigerant piping, connection electric wire |
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7: Drain pipe |
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8: Ground wire |
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Wire to ground outdoor unit to prevent electrical |
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shocks. |
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Name and function of parts (CEILING CONCEALED DUCT)
1 |
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1: Indoor unit |
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6 7 |
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2: Outdoor unit |
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3: Remote controller |
5 |
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4: Inlet air |
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5: Discharge air |
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6: Refrigerant piping, connection electric wire |
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7: Drain pipe |
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8: Ground wire |
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wire to ground outdoor unit to prevent electrical |
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shocks. |
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14 PRODUCT INTRODUCTION
Model designation
-Product Name : Air conditioner
-Model Name :
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0 |
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Serial number |
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Chassis name |
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Indoor Unit / Outdoor Units |
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N : Indoor Unit |
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U : Outdoor Unit |
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Detailed product type for |
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U- / C- series models |
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L : Low Static |
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H : High COP |
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E : Econo |
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R : Refrigerant R32 |
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Nominal Capacity |
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Ex) 7 000 Btu/h Class → '07', |
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18 000 Btu/h Class → '18' |
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Product type |
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T : Ceiling Cassette |
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B, M : Ceiling Concealed Duct |
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L : Ceiling Concealed Duct |
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(Low Static) |
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V : Ceiling Suspended & floor |
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Connectable Outdoor unit type |
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M : Indoor units only for |
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Multi systems |
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U : Indoor units only for |
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Single A systems |
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C : Common Indoor Unit for |
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Multi and Single CAC |
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Operation Indicator Lamp |
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Lamp |
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Forced operation Button |
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Description |
Lamp Color |
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Cooling mode |
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Green |
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Heating mode |
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Green |
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Time to clean filter in cooling/heating Mode |
Yellowish Green |
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Time to clean filter when product is not operating |
Orange |
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Hot start or defrost mode before starting heating mode |
Green |
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When reservation set on |
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Yellowish Green |
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