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OWNER’S MANUAL
AIR
CONDITIONER
Please read this manual carefully before operating your set and retain it for future reference.
CEILING CASSETTE
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www.lg.com |
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MFL68120701 |
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Rev.00_060118 |
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Copyright © 2013 - 2018 LG Electronics Inc. All Rights Reserved. |
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TIPS FOR SAVING ENERGY |
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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 |
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IMPORTANT SAFETY INSTRUCTIONS
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
! 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.
•Use the correctly rated breaker or fuse. 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.
•For installation, removal or reinstall , 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. Be sure that the installation area does not deteriorate with age. It may cause product to fall.
•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 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 check the refrigerant to the used. Please read the label on the product. Incorrect refrigerant used can prevent the normal operation of the unit.
•Don't use a power cable, a plug or a loose socket which is damaged. Otherwise it may cause a fire or electrical shock.
•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 place a heater or other heating appliances near the power cable. There is risk of fire and electric 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 store or use or even allow flammable gas or combustibles near the product. There is
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4 |
IMPORTANT SAFETY INSTRUCTIONS |
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risk of fire.
•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.
•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.
•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.
•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.
•When installing the unit, use the installation kit provided with the product. Otherwise the unit may fall and cause severe injury.
•Be sure to use only those parts which are listed in the svc parts list. Never attempt to modify the equipment. The use of inappropriate parts can cause an electrical shock, excessive heat generation or fire.
•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.
•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.
•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.
•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.
•Turn the main power off and unplug the unit when cleaning or repairing the product. There is risk of electric shock.
•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.
•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.
•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 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.
! 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.
•Keep level even when installing the product. To avoid vibration or noise.
•Do not install the product where the noise or hot air from the outdoor unit could damage or
IMPORTANT SAFETY INSTRUCTIONS |
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disturb the neighborhoods. It may cause a problem for your neighbors and hence dispute.
•Always check for gas (refrigerant) leakage after installation or repair of product. Low refrigerant levels may cause failure of product.
•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 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 or splashing water 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. There is risk of personal injury.
•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 after cleaning. Clean the filter every two weeks or more often if necessary. A dirty filter reduces the efficiency.
•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.
•Be cautious when unpacking and installing the product. Sharp edges could cause injury.
•If the refrigerant gas leaks during the repair, do not touch the leakaing refrigerant gas. The refrigernat gas can cause frostbite (cold burn)
•Do not tilt the unit when removing or uninstalling it. The condensed water inside can spill .
•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.
•If the refrigerant gas leaks during the installation, ventilate the area immediately. Otherwise it can be harmfull for your health.
•Dismantling the unit, treatment of the refrigerant oil and eventual parts should be done in accordance with local and national standards. 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 recharge or disassemble the batteries. Do not dispose off 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 hazard.
•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.
•Do not expose your skin or kids or plants to the cool or hot air draft. This could harm to your health.
•Do not drink the water drained from the product. It is not sanitary and could cause serious health issues.
•Use a firm stool or ladder when cleaning, maintaining or repairing the product at an height. Be careful and avoid personal injury.
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TABLE OF CONTENTS |
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TABLE OF CONTENTS
2 |
TIPS FOR SAVING |
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Auto Changeover Mode - Setting the |
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Mode Change Temperature |
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ENERGY |
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Airflow Setting |
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IMPORTANT SAFETY |
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Celsius/Fahrenheit Switching |
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Temperature Setting/Room |
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INSTRUCTIONS |
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Temperature checking |
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BEFORE USE |
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SUB FUNCTION |
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Preparing for operation |
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Plasma Purification(Optional) |
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Usage |
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Auto Clean (Optional) |
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Cleaning and maintenance |
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Smart Clean (Optional) |
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Service |
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LCD Luminosity Control (Optional) |
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PRODUCT |
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Celsius/Fahrenheit Switching |
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INTRODUCTION |
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Electric heater (Optional) |
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Individual vane angle control (Optional) |
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Name and function of parts |
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Operation Indication Lamps |
TIMER |
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Wired Remote Controller (Accessory) |
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Setting the Current Time |
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Wireless Remote Controller |
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Sleep Timer Setting |
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OPERATING |
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On Timer Setting |
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INSTRUCTION |
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Off Timer Setting |
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To cancel the Timer Setting |
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How to insert the Batteries |
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11Wireless Remote Controller Maintenance
11Operating Method
12OWNER'S
INSTRUCTION
12 Cooling Mode - Standard Operation
12Cooling Mode - Power Cooling
13Heating Mode
14Dehumidification Mode
15Fan Mode
16Auto Operation Mode
17Auto Changeover Mode
27MAINTENANCE AND SERVICE
27Indoor Unit
28Purifying filter(Optional)
29Operation Tips!
29When the air conditioner is not going....
30Troubleshooting Tips! Save time and money!
30Call the service immediately in the following situations
BEFORE USE |
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BEFORE USE
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.
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8 PRODUCT INTRODUCTION
PRODUCT INTRODUCTION
Name and function of parts
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1 Indoor unit
2 Outdoor unit
3 Remote controller
4 Inlet air
5 Discharge air
6 Refrigerant piping, connection electric wire
7 Drain pipe
8Ground wire
Wire to ground outdoor unit to prevent electrical shocks.
Operation Indication Lamps
On/Off : Lights up during the system operation.
Filter Sign : Lights up after 2 400 hours from the time of first operating unit.
Timer : Lights up during Timer operation.
Defrost Mode : Lights up during Defrost Mode or Hot Start operation. (Heat pump model only)
Forced operation : To operate the unit when the remote control can't be used for any reason.
PRODUCT INTRODUCTION 9
Wired Remote Controller (Accessory)
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Please attach the inform label inside of the door. Please choose proper language depend on your country.
1 OPERATION INDICATION SCREEN
2 SET TEMPERATURE Button
3 FAN SPEED Button
4 ON/OFF Button
5 OPRATION MODE SELECTION Button
6WIRELESS REMOTE CONTROLLER RECEIVER
•Some products don't receive the wireless signals.
7 AIR FLOW Button
8 SUBFUNCTION Button
9 FUNCTION SETTING Button
10VENTILATION Button
11RESERVATION
12UP,DOWN,LEFT,RIGHT Button
•To check the indoor temperature, press button 
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13ROOM TEMPERATURE Button
14SETTING/CANCEL Button
15EXIT Button
ηSome functions may not be operated and displayed depending on the product type.
!NOTE
•Display temperature can be different from actual room temperature if the remote controller is installed at the place where sun-rays are falling directly or the place nearby heat source.
•The actual product can be different from above contents depending upon model type.
•When using simultaneous operation system, whenever press remote controller button, system will approximately operate after 1~2 minutes.
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