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OWNER’S MANUAL
AIR
CONDITIONER
Please read this manual carefully before operating your set and retain it for future reference.
SINGLE PACKAGE TYPE AIR CONDITIONER
www.lg.com
P/NO : MFL67445902 |
Copyright © 2014 - 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.
This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities may be different or reduced, or lack of experience or knowledge, unless such persons are supervision or training to operate the appliance by a person responsible for their safety. Children should be supervised to ensure they do not use the devices as a toy.
•WARNING : Before accessing the terminals, all supply circuits must be disconnected.
•WARNING : Media should be incorporated disconnecting the fixture according to the rules
installation.
•WARNING : This device is not accessible to the public generally
•WARNING : The appliance must be installed according to national regulations for electrical
installations.
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 :
SAFETY PRECAUTIONS 3
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
•Installation or repairs made by unqualified persons can result in hazards to you and others.
•Installation shall be in accordance with national standards of electrical appliances.
•The information contained in the manual is intended for use by a qualified service technician familiar with safety procedures and equipped with the proper tools and test instruments.
•Failure to carefully read and follow all instructions in this manual can result in equipment malfunction, property damage, personal injury and/or death.
! PRECAUTION
•This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
•Children should be supervised to ensure that they do not play with the appliance.
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.
•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 circuit breaker.
-Improper wiring or installation may cause fire or electric shock
•Use the correctly rated circuit breaker or fuse.
-There is risk of fire or electric shock.
•Use the specified wires to connect the unit.
-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.
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SAFETY PRECAUTIONS |
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denser and evaporator. |
• 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 con-
• For installation, always contact the dealer or an Authorized Service Center.
• 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.
Operation
•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 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.
•Do not allow water to run into electric parts.
-It may cause 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.
•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 circuit 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 panel of the product during operation. (If the unit has the electrostatic filter, Do not touch it.)
-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.
•When the product is not be used for a long time, turn off the circuit 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 unit.
-This could result in personal injury and product damage.
SAFETY PRECAUTIONS 5
! CAUTION
Installation
•Always check for gas (refrigerant) pressure 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.
•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.
•Don't use 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.
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.
•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.
•Do not step on or put anything on the product. (outdoor units)
-There is risk of personal injury and failure of product.
•Always insert the filter securely. Clean the filter every four 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.
-It is not sanitary and could cause serious health issues.
•Use a firm stool or ladder when cleaning or maintaining the product.
-Be careful and avoid personal injury.
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TABLE OF CONTENTS |
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TABLE OF CONTENTS
7PRIOR TO OPERATION
7Preparing for Operation
7Usage
7Cleaning and Maintenance
7Service
8OPERATING INSTRUCTIONS
8Name and Function of Wired Remote
Controller (Accessory)
9Standard Operation - Standard Cooling
9Standard Operation - Dehumidification Mode
10 Standard Operation - Fan Mode
10Standard Operation - Heating Mode(Heating Model Only)
11Standard Operation - Temperature Setting/Room Temperature Check
12Sub Function - Humidifier
13Sub Function - Electric Heater (Accessory)
14Function Setting - Child Lock
15Function Setting - Filter Sign Clear
16Function Setting - Changing Current Time
18Programming - Simple Reservation
19Programming - ON Reservation
21 Programming - OFF Reservation
23 Programming : Weekly Reservation
25 Programming : Holiday Reservation
26 CARE AND
MAINTENANCE
26Maintenance Performed by Serviceman-Cooling Season
26Maintenance Performed by Serviceman-Heating Season
27When the air conditioner is not going to be used for a long time.
27Operation Tips
28BEFORE YOU CALL FOR
SERVICE...
PRIOR TO OPERATION |
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PRIOR TO OPERATION
Preparing for Operation
1 Contact an installation specialist for installation.
2 Use a dedicated circuit breaker.
Usage
1Being 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.
2Due to the possibility of oxygen deficiency, ventilate the room when used together with stoves or other heating devices.
3Do 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
1Do not touch the metal parts of the unit when removing the filter. Injuries can occur when handling sharp metal edges.
2Do not use water to clean inside the air conditioner. Exposure to water can destroy the insulation, leading to possible electric shock.
3When 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 OPERATING INSTRUCTIONS
OPERATING INSTRUCTIONS
Name and Function of 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
5OPERATION MODE SELECTION Button
6WIRELESS REMOTE CONTROLLER RECEIVER
7 AIR FLOW Button
8 SUB FUNCTION Button
9 FUNCTION SETTING Button
10VENTILATION Button
11RESERVATION
12UP, DOWN, LEFT, RIGHT Button
-To check the indoor temperature, press 
button.
13ROOM TEMPERATURE Button
14SETTING/CANCEL Button
15EXIT Button
OPERATING INSTRUCTIONS 9
Standard Operation - Standard Cooling
It cools the room by comfortable and clean wind.
1 indoor.Press |
button to turn on the |
2 Press 
button to select Cooling operation mode.
3 |
Adjust the desired temperature by |
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pressing |
buttons. |
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Press |
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button to check the |
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Room temperature. When setting the desired
temperature higher than room 
temperature, only ventilation wind is 
blow out instead of cooling wind.
* Setting Temp Range : 18˚C~30˚C (64˚F~86˚F)
Standard Operation - Dehumidification Mode
It removes humidity while air-cooling weakly.
1 indoor.Press |
button to turn on the |
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2 |
Press |
button to select |
Dehumidification mode. |
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The temperature setting can not be |
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adjusted during operation this mode. |
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Press the |
button to select |
3 air flow High (It is possible to select only air flow high)
!NOTE
•In rainy season or high humidity climate, it is possible to operate simultaneously dehumidifier and cooling mode to remove humidity effectively.
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