WALL MOUNTED
Please read this manual carefully before operating your set and retain it for future
reference.
The equipment complies with requirements of the Technical Regulation, in terms of
restrictions for the use of certain dangerous substances in electrical and electronic
equipment.
EN English RU Русский KK Қазақша
www.lg.com
Copyright © 2018 LG Electronics Inc. All Rights Reserved.
OWNER’S MANUAL
AIR
CONDITIONER
MFL67647014
Rev.00_120518
1,MFL67647014,영영 2018. 12. 14. 영영 2:49 Page 1
TABLE OF CONTENTS
SAFETY INSTRUCTIONS...................................3
IMPORTANT SAFETY INSTRUCTIONS .............................3
BEFORE USE .....................................................8
Components.........................................................................8
Using the remote control ......................................................9
BASIC FUNCTIONS..........................................12
Cooling your room..............................................................12
Heating your room..............................................................12
Removing humidity.............................................................12
Airing your room.................................................................13
Adjusting the fan speed......................................................13
Adjusting the air flow direction ...........................................13
Setting the timer .................................................................13
ADVANCED FUNCTIONS.................................15
Using the °C/°F Conversion Function ................................15
Changing room temperature quickly ..................................15
Indoor air purification..........................................................15
Auto operation....................................................................16
Auto Changeover operation ...............................................16
Energy saving cooling mode ..............................................17
Display screen brightness ..................................................17
Operating the air conditioner without the remote control ...17
Restarting the air conditioner automatically .......................17
MAINTENANCE ................................................18
Cleaning the air filter ..........................................................20
TROUBLESHOOTING ......................................21
Self-diagnosis Function......................................................21
Before Calling for Service ..................................................21
This manual may contain images or content
different from the model you purchased.
This manual is subject to revision by the
manufacturer.
2
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3
SAFETY INSTRUCTIONS
EN
3
The following safety guidelines are intended to prevent unforeseen risks or damage from
unsafe or incorrect operation of the appliance.
The guidelines are separated into ‘WARNING’ and ‘CAUTION’ as described below.
This symbol is displayed to indicate matters and operations that can cause risk.
Read the part with this symbol carefully and follow the instructions in order to
avoid risk.
This indicates that the failure to follow the instructions can cause serious injury or
death.
!
WARNING
!
This indicates that the failure to follow the instructions can cause the minor injury or
damage to the product.
CAUTION
!
IMPORTANT SAFETY INSTRUCTIONS
To reduce the risk of explosion, fire, death, electric shock, injury or scalding to persons
when using this product, follow basic precautions, including the following:
Children in the Household
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.
WARNING
!
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4
EN
Installation
• Do not install the air conditioner on an unstable surface or in a place where there is danger of
it falling.
• Contact an authorized service center when installing or relocating the air conditioner.
• Install the panel and the cover of the control box safely.
• Do not install the air conditioner in a place where flammable liquids or gases such as gasoline,
propane, paint thinner, etc., are stored.
• Make sure that the pipe and the power cable connecting the indoor and outdoor units are not
pulled too tight when installing the air conditioner.
• Use standard circuit breaker and fuse that conform to the rating of the air conditioner.
• Do not input air or gas into the system except with the specific refrigerant.
• Use non-flammable gas (nitrogen) to check for leak and to purge air; using compressed air or
flammable gas may cause fire or explosion.
• The 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.
• Install dedicated electric outlet and circuit breaker before using the air conditioner.
• Do not connect the ground wire to a gas pipe, a lightning rod, or a telephone ground wire.
Operation
• Be sure to use only those parts listed in the service parts list.
Never attempt to modify the equipment.
• Make sure that children do not climb on or hit the outdoor unit.
• Dispose of the batteries in a place where there is no danger of fire.
• Use only the refrigerant specified on the air conditioner label.
• Cut off the power supply if there is any noise, smell, or smoke coming from the air conditioner.
• Do not leave flammable substances such as gasoline, benzene, or thinner near the air
conditioner.
• Contact an authorized service center when the air conditioner is submerged by flood waters.
• Do not use the air conditioner for an extended period of time in a small place without proper
ventilation.
• In the event of a gas leak (such as Freon, propane gas, LP gas, etc.) ventilate sufficiently
before using the air conditioner again.
• To clean the interior, contact an authorized service center or dealer. Using harsh detergents
may cause corrosion or damage to the unit.
• Be sure to ventilate sufficiently when the air conditioner and a heating appliance such as a
heater are used simultaneously.
• Do not block the inlet or outlet of air flow.
• Do not insert hands or other objects through the air inlet or outlet while the air conditioner is
operating.
• Make sure that the power cable is neither dirty, loose, nor broken.
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5
EN
• Never touch, operate, or repair the air conditioner with wet hands.
• Do not place any objects on the power cable.
• Do not place a heater or other heating appliances near the power cable.
• Do not modify or extend the power cable. Scratches or peeling insulation on the power cables
may result in fire or electric shock, and should be replaced.
• Cut off the power supply immediately in the event of a blackout or a thunderstorm.
• Take care to ensure that power cable could not be pulled out or damaged during operation.
• Do not touch refrigerant pipe, water pipe and any internal parts while the unit is operating or
immediately after operation.
Maintenance
• Do not clean the appliance by spraying water directly onto the product.
• Before cleaning or performing maintenance, disconnect the power supply and wait until the
fan stops.
Technical Safety
• Installation or repairs made by unauthorized persons can pose hazards to you and others.
• The information contained in the manual is intended for use by a qualified service technician
who is familiar with the safety procedures and equipped with the proper tools and test
instruments.
• Failure to read and follow all instructions in this manual can result in equipment malfunction,
property damage, personal injury and/or death.
• The appliance shall be installed in accordance with national wiring regulations.
• When the power cord is to be replaced, the replacement work shall be performed by
authorized personnel using only genuine replacement parts.
• This appliance must be properly grounded to minimize risk of electric shock.
• Do not cut or remove the grounding prong from the power plug.
• Attaching the earth wire to the power outlet cover screw does not ground the appliance unless
the cover screw is metal, uninsulated, and the power outlet is grounded through house wiring.
• If you have any doubt whether the air conditioner is properly grounded, have the power outlet
and circuit checked by a qualified electrician.
• The refrigerant and insulation blowing gas used in the appliance require special disposal
procedures. Consult a service agent or a similarly qualified person before disposing of them.
• If the supply cord is damaged, it must be replaced by the manufacturer or its service agents or
similarly qualified person in order to avoid a hazard.
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6
EN
To reduce the risk of minor injury to persons, malfunction, or damage to the product or
property when using this product, follow basic precautions, including the following:
Installation
• Do not install the air conditioner in an area where it is directly exposed to sea wind (salt
spray).
• Install the drain hose properly for the smooth drainage of water condensation.
• Exercise caution when unpacking or installing the air conditioner.
• Do not touch the leaking refrigerant during installation or repair.
• Transport the air conditioner with two or more people or use a forklift.
• Install the outdoor unit such that it is protected from direct sunlight. Do not place the indoor
unit in a place where it is directly exposed to sunlight via the windows.
• Safely dispose of packing materials such as screws, nails or batteries using proper packaging
after installation or repair.
• Install the air conditioner in a place where the noise from the outdoor unit or the exhaust
fumes will not inconvenience the neighbors. Failure to do so may result in conflict with the
neighbors.
Operation
• Remove the batteries if the remote control is not to be used for an extended period of time.
• Make sure that the filter is installed before operating the air conditioner.
• Be sure to check if there is a refrigerant leak after installing or repairing the air conditioner.
• Do not place any object on the air conditioner.
• Never mix different types of batteries, or old and new batteries for the remote control.
• Do not let the air conditioner run for a long time when humidity is very high or when a door or
a window has been left open.
• Stop using the remote control if there is a fluid leak in the battery.
If your clothes or skin are exposed to the leaking battery fluid, wash off with clean water.
• Do not expose people, animals, or plants to the cold or hot wind from the air conditioner for
extended periods of time.
• If the leaking battery fluid has been swallowed, rinse the inside of the mouth thoroughly and
consult a doctor.
• Do not drink the water drained from the air conditioner.
• Do not use the product for special purposes, such as preserving foods, works of art, and etc. It
is an air conditioner for consumer purposes, not a precision refrigeration system. There is risk
of damage or loss of property.
• Do not recharge or disassemble the batteries.
CAUTION
!
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7
EN
Maintenance
• Never touch the metal parts of the air conditioner when removing the air filter.
• Use a sturdy stool or ladder when cleaning, maintaining, or repairing the air conditioner at a
height.
• Never use strong cleaning agents or solvents when cleaning the air conditioner or spray water.
Use a smooth cloth.
Disposal of Waste Batteries/Accumulators
• This symbol may be combined with chemical symbols for mercury (Hg),
cadmium (Cd) or lead (Pb) if the battery contains more than 0.0005 % of
mercury, 0.002 % of cadmium or 0.004 % of lead.
• All batteries/accumulators should be disposed separately from the
municipal waste stream via designated collection facilities appointed by the
government or the local authorities.
• The correct disposal of your old batteries/accumulators will help to prevent
potential negative consequences for the environment, animal and human
health.
• For more detailed information about disposal of your old
batteries/accumulators, please contact your city office, waste disposal
service or the shop where you purchased the product.
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8
BEFORE USE
EN
Signal receiver
Front Panel
Air Discharge
ON/OFF button
Air Filte
r
Components
Indoor unit
* The feature can be changed according to type of model.
NOTE
The number of operation lamps and their locations may vary, depending on the model of the air
conditioner.
A
ir Intake Vents
Connecting
Wires
Base Plate
Piping
Drain Hose
Air Outlet Vents
Outdoor unit
* The feature can be changed according to type of model.
1,MFL67647014,영영 2018. 12. 14. 영영 2:49 Page 8
9
EN
Using the remote control
You can operate the air conditioner more conveniently with the remote control.
Wireless remote control
°C / °F (5 s)
°C / °F (5 s)
TIME (3 s)
TIME (3 s)
RESET
Display
screen
Control
panel
Control panel
Display
screen
Description
To select the fan mode.
To turn on/off air conditioner
automatically at desired time.
To adjust the desired room
temperature in cooling,
heating or auto changeover
mode.
-
To turn on/off the air
conditioner.
To adjust the fan speed.
To select the cooling mode.
To select the heating mode.
To select the
dehumidification mode.
To select the auto
changeover/auto operation
mode.
To change room temperature
quickly.
To adjust the air flow
direction vertically or
horizontally.
To display the room
temperature.
To change unit between °C
and °F
To remove moisture
generated inside the indoor
unit.
To minimize power
consumption.
1,MFL67647014,영영 2018. 12. 14. 영영 2:49 Page 9
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EN
* Some functions may not be supported, depending on the
model.
°C / °F (5 s)
°C / °F (5 s)
TIME (3 s)
TIME (3 s)
RESET
Display
screen
Control
panel
Control panel
Display
screen
Description
-
To set the brightness of the
display on the indoor unit.
-
To set/cancel the function
and timer.
- To adjust time.
- To set the current time.
-
To initialize the remote
control settings.
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11
EN
Inserting batteries
Insert batteries before using the remote
control. The battery type used is AAA (1.5 V).
1. Remove the battery cover.
2. Fix the holder by fastening the 2 screws
firmly with a screwdriver.
3. Slide the remote control into the holder.
Operating method
Point the remote control towards the signal
receiver at the bottom of the air conditioner to
operate it.
NOTE
• The remote control may operate other
electronic devices if pointed towards them.
Make sure to point the remote control
towards the signal receiver of the air
conditioner.
• For proper operation, use a soft cloth to clean
the signal transmitter and receiver.
2. Insert the new batteries and make sure that
the + and - terminals of the batteries are
installed correctly.
3. Reattach the battery cover.
NOTE
If the display screen of the remote control
starts to fade, replace the batteries.
Installing the remote control
holder
Install the holder where there is no direct
sunlight to protect the remote control.
1. Choose a safe and easily-accessible place.
1,MFL67647014,영영 2018. 12. 14. 영영 2:49 Page 11
12
BASIC FUNCTIONS
EN
NOTE
• Cooling-only models do not support this
function.
Removing humidity
(Dehumidifying operation)
This mode removes excess moisture from an
environment with high humidity or in the rainy
season, in order to prevent mold from setting
in. This mode adjusts the room temperature
and the fan speed automatically to maintain
the optimal level of humidity.
1. Press
d to turn on the power.
2. Press
f repeatedly to select the
dehumidifying operation.
-
D is displayed on the display screen.
NOTE
• In this mode you cannot adjust the room
temperature, as it is adjusted automatically.
Also, the room temperature is not displayed
on the display screen.
Cooling your room
(Cooling operation)
1. Press d to turn on the power.
2. Press
f repeatedly to select the cooling
operation.
-
A is displayed on the display screen.
3. Press
G
or
H
to set the desired
temperature.
- The temperature range is 18 °C (64 °F) ~
30 °C (86 °F).
Heating your room
(Heating operation)
1. Press d to turn on the power.
2. Press
f repeatedly to select the heating
operation.
-
B is displayed on the display screen.
3. Press
G
or
H
to set the desired
temperature.
- The temperature range is 16 °C (60 °F) ~
30 °C (86 °F).
1,MFL67647014,영영 2018. 12. 14. 영영 2:49 Page 12
13
EN
Remark Speed
High
Medium
Low
Natural Wind
Airing your room
(Air Circulation operation)
This mode only circulates the indoor air without
changing the room temperature.
1. Press
d to turn on the power.
2. Press
/.
-
E is displayed on the display screen.
Adjusting the air flow
direction
1. To adjust the direction of the air flow
horizontally, press
N repeatedly and
select the desired direction.
- Select
: ; to adjust the direction of the
air flow automatically.
NOTE
• Adjusting the air deflector arbitrarily may
cause product failure.
• If you restart the air conditioner, it starts to
operate with the previously set direction of air
flow, so the air deflector may not match the
icon displayed on the remote control. When
this occurs, press
N to adjust the direction
of the air flow again.
Setting the timer
You can use the timer function to save energy
and to use the air conditioner more efficiently.
Setting the current time
1. Press and hold it for longer than 3
seconds.
- The AM/PM icon flickers at the bottom of
the display screen.
3. Press
g to adjust the fan speed.
Adjusting the fan speed
1. Press g repeatedly to adjust the fan
speed.
- Select 5 if you want natural air.
The fan speed adjusts automatically.
2. Press
E
or
F
to select the minutes.
3. Press to finish.
1,MFL67647014,영영 2018. 12. 14. 영영 2:49 Page 13
14
EN
Turning on the air conditioner
automatically at a set time
1. Press m .
- The icon below flickers at the bottom of the
display screen.
Canceling the timer setting
1. Press p .
- To cancel all timer settings, press p .
Setting sleep mode
Use the sleep mode to turn off the air
conditioner automatically when you go to
sleep.
1. Press
d to turn on the power.
2. Press
l .
3. Press
E
or
F
to select the hour
(up to 7 hours).
4. Press
p to finish.
-
T is displayed on the display screen in
sleep mode.
NOTE
• In the Cooling and Dehumidifying modes, the
temperature increases by 1 °C after 30
minutes and by a further 1 °C after another
30 minutes for a more comfortable sleep. The
temperature increases with up to 2 °C from
the preset temperature.
2. Press
E
or
F
to select the minutes.
3. Press
p to finish.
NOTE
• When setting the timer, current time and ON
icon are displayed on the display screen
indicating that the desired time is set.
Turning off the air conditioner
automatically at a set time
1. Press n .
- The icon below flickers at the bottom of the
display screen.
2. Press
E
or
F
to select the minutes.
3. Press
p to finish.
NOTE
• When setting the timer, current time and OFF
icon are displayed on the display screen
indicating that the desired time is set.
1,MFL67647014,영영 2018. 12. 14. 영영 2:49 Page 14
15
ADVANCED FUNCTIONS
EN
The air conditioner offers some additional
advanced functions.
Using the °C/°F Conversion
Function
This function changes unit between °C and °F.
Press and hold button about 5 seconds.
Changing room temperature
quickly
(Jet Cool/Heat operation)
This mode allows you to cool indoor air quickly
in summer or warm it quickly in winter.
1. Press
d to turn on the power.
2. Press
M.
°C / °F (5 s)
°C / °F (5 s)
- In jet cooling mode, strong air blows out at
a temperature of 18 °C (64 °F) for 30
minutes.
- In jet heating mode, strong air blows out at
a temperature of 30 °C (86 °F) for 30
minutes.
NOTE
• In Air Circulation, Auto, or Auto Changeover
mode, this function cannot be used.
• This function may not be supported,
depending on the model.
Indoor air purification
Auto Clean operation (optional)
In the cooling and dehumidifying operations,
moisture is generated inside the indoor unit.
Use the auto cleaning function to remove
such moisture.
1. Press c.
-
J is displayed on the display screen.
- If you turn off the power, the fan operates
for 30 minutes and cleans the inside of the
indoor unit.
NOTE
• Some buttons cannot be used while the auto
cleaning function is in operation.
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16
EN
Code Description
2 Cold
1 A little cold
0
Maintain
room
temperature
A little hot-1
Hot-2
Auto operation
(Artificial intelligence)
Cooling-only models
In this mode, the fan speed and the
temperature adjust automatically, based on the
room temperature.
1. Press
d to turn on the power.
2. Press
f repeatedly to select auto
operation.
3. Press
G
or
H
to select the desired
operation code if the temperature is higher
or lower than the desired temperature.
Auto Changeover operation
Cooling & Heating Model
This mode changes the operation mode
automatically to maintain the set temperature
at ±2 °C.
1. Press
d to turn on the power.
2. Press
f repeatedly to select the auto
changeover operation.
-
C is displayed on the display screen.
NOTE
• In this mode, you cannot adjust the fan
speed, but you can set the air deflector to
rotate automatically.
• This function may not be supported,
depending on the model.
3. Press
G
or
H
to set the desired
temperature.
- The temperature range is 18 °C (64 °F) ~
30 °C (86 °F).
4. Press
g repeatedly to select the fan speed.
NOTE
• This function may not be supported,
depending on the model.
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17
EN
Signal
receiver
Front Panel
Air Discharge
ON/OFF button
Air Filte
r
Energy saving cooling mode
This mode minimizes power consumption
during cooling and increases the set
temperature to the optimal level for a more
comfortable environment. The temperature
automatically settles at 22 °C (72 °F) if desired
temperature is below 22 °C (72 °F) The
temperature remains constant if it is above
22 °C (72 °F).
1. Press
d to turn on the power on.
2. Press
f repeatedly to select the cooling
operation.
3. Press
b.
-
G is displayed on the display screen.
Operating the air conditioner
without the remote control
You can use the On/Off button of the indoor
unit to operate the air conditioner when the
remote control is unavailable.
Restarting the air
conditioner automatically
When the air conditioner is turned on again
after a power failure, this function restores the
previous settings. This function is a factory
default setting.
Disabling auto restart
1. Press the ON/OFF button and hold it for 6
seconds, then the unit will beep twice and
the lamp will blink twice 4 times.
- To re-enable the function, press the On/
Off button and hold it for 6 seconds. The
unit will beep twice and the lamp will blink
4 times.
* The feature can be changed according to
type of model.
NOTE
• If you press and hold the On/Off button for 3
~ 5 seconds instead of 6 seconds, the unit
will switch to the test operation. In the test
operation, the unit blows out strong air for
cooling for 18 minutes and then returns to the
factory default settings.
NOTE
• This function may not be supported,
depending on the model.
Display screen brightness
You can adjust the brightness of the indoor unit
display screen.
1. Press \ repeatedly to set the brightness
to the desired level.
NOTE
• This function may not be supported,
depending on the model.
1,MFL67647014,영영 2018. 12. 14. 영영 2:49 Page 17
18
MAINTENANCE
EN
Signal receiver
Front Panel
Air Discharge
ON/OFF button
Air Filter
Type Description Interval
Air filter See “Cleaning the filter.” 2 weeks
Indoor unit
Clean the Indoor unit surface by using a soft, dry cloth. Regularly
Clean the condensate drain pipe. Every 4 months
Clean the condensate drain pan. Once a year
Thoroughly clean the heat exchanger. Once a year
Replace the remote control batteries. Once a year
Outdoor unit
Use steam to clean the heat exchanger coils and the panel
vents. (consult with technician)
Regularly
Clean the fan. Once a year
Clean the condensate drain pan. Once a year
Verify that all the fan assembly is firmly tightened. Once a year
Verify that electric components with jets of air. Once a year
Clean the electric components with jets of air. Once a year
If the air conditioner will not be used for an extended of time, dry the air conditioner to maintain it
in best condition.
1. Dry the air conditioner in Fan mode for 3 to 4 hours and disconnect the power plug. There may
be internal damage if moisture is left in components.
2. Before using the air conditioner again, dry the inner components of the air conditioner in Fan
mode for 3 to 4 hours. This will help to remove odor which is generated from moisture.
Clean the product regularly to maintain optimal performance and to prevent possible breakdown.
* This may not be provided, depending on the model.
* The feature can be changed according to type of model.
1,MFL67647014,영영 2018. 12. 14. 영영 2:49 Page 18
19
EN
CAUTION
• Turn off the power and unplug the power cord before you perform any maintenance; otherwise it
may cause electric shock.
• Never use water that is hotter than 40 °C when you clean the filters. It may cause deformation or
discoloration.
• Never use volatile substances when you clean the filters. They may damage the surface of the
product.
NOTE
• The location and shape of the filters may differ, depending on the model.
• Make sure to clean the heat exchanger coils of the outdoor unit regularly, as dirt collected in the
coils may decrease the operational efficiency or increase energy costs.
!
1,MFL67647014,영영 2018. 12. 14. 영영 2:49 Page 19
20
EN
Front panel
Clean the air filter
Clean the air filter once every 2 weeks or more
if necessary.
1. Pull out the upper section of front panel and
lift it up.
2. Take out a filter with front panel held.
Air filter
3. Clean the filter with a vacuum cleaner or
with warm water. If dirt is difficult to remove,
wash the filter in lukewarm water with
neutral detergent.
4. Dry it completely in the shade after cleaning.
5. Then set a filter orderly.
Front panel
hook
Hook
-hanger
Air filter
6. Put the hook of front panel onto the hanger,
in order to close the front panel.
NOTE
• The location of the filters may differ,
depending on the model.
• The plasma filter may not be included in
some models.
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