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OWNER'S MANUAL
AIR
CONDITIONER
Read this owner's manual thoroughly before operating the appliance and
keep it handy for reference at all times.
TYPE : WALL MOUNTED
www.lg.com
MFL69490901
Rev.03_071216
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TABLE OF CONTENTS
This manual is produced for a group of products
and may contain images or content different from
the model you purchased.
This manual is subject to revision by the
manufacturer.
SAFETY INSTRUCTIONS ....................................... 3
IMPORTANT SAFETY INSTRUCTIONS ................................................. 4
OPERATION ............................................................. 9
Notes for Operation ................................................................................. 9
Parts and Functions................................................................................. 9
Wireless Remote Control....................................................................... 10
Restarting the Air Conditioner Automatically ......................................... 15
Using the Mode Function....................................................................... 15
Using the Jet Mode Function ................................................................. 17
Using the Fan Speed Function .............................................................. 18
Using the Air Flow Direction Function....................................................18
Setting the On/Off Timer ........................................................................ 19
Using the Sleep Function(Optional)....................................................... 20
Using the Simple Timer Function(Optional) ........................................... 20
Using the Energy Display Function(Optional)........................................ 21
Using the Light Off Function(Optional) .................................................. 21
Using the Comfort Air Function(Optional) .............................................. 22
Using the Energy Saving Function(Optional) ........................................ 22
Using the Energy Control Function(Optional) ........................................ 23
Using Special Functions ........................................................................ 24
Smart Appliance Connectivity ................................................................ 27
MAINTENANCE ...................................................... 29
Clean the Air Filter ................................................................................. 31
Clean the 3M and Triple Filter(Optional)................................................32
TROUBLESHOOTING ........................................... 33
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3
SAFETY INSTRUCTIONS
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 the indicate matters and operations that
can cause risk. Read the part with this symbol carefully and follow the
instructions in order to avoid risk.
WARNING
This indicates that the failure to follow the instructions can cause
serious injury or death.
CAUTION
This indicates that the failure to follow the instructions can cause the
minor injury or damage to the product.
WARNING
To reduce the risk of explosion, re, 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.
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4
IMPORTANT SAFETY INSTRUCTIONS
WARNING
To reduce the risk of explosion, re, death, electric shock, injury or scalding
to persons when using this product, follow basic precautions, including the
following:
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 ammable 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 specic refrigerant.
• Use non-ammable gas (nitrogen) to check for leak and to purge air; using
compressed air or ammable gas may cause re 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 re.
• 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.
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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 re.
• Use only the refrigerant specied 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 ammable substances such as gasoline, benzene, or thinner near
the air conditioner.
• Contact an authorized service center when the air conditioner is submerged by
ood waters.
• Do not use the air conditioner for an extended period time in a small place
without proper ventilation.
• In the event of a gas leak (such as Freon, propane gas, LP gas, etc.) ventilate
sufciently 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 sufciently when the air conditioner and a heating appliance
such as a heater are used simultaneously.
• Do not block the inlet or outlet of air ow.
• 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.
• 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 re or electric shock, and should be replaced.
• Cut off the power supply immediately in the event of a blackout or a
thunderstorm.
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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 qualied
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 adapter ground terminal to the wall receptacle cover screw does
not ground the appliance unless the cover screw is metal, uninsulated, and the
wall receptacle is grounded through house wiring.
• If you have any doubt whether the air conditioner is properly grounded, have the
wall receptacle and circuit checked by a qualied electrician.
• The refrigerant and insulation blowing gas used in the appliance require special
disposal procedures. Consult a service agent or a similarly qualied person
before disposing of them.
• If the supply cord is damaged, it must be replaced by the manufacturer or its
service agents or similarly qualied person in order to avoid a hazard.
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CAUTION
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 conict 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 lter 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.
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• Stop using the remote control if there is a uid leak in the battery. If your clothes
or skin are exposed to the leaking battery uid, 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 uid has been swallowed, wash off 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.
Maintenance
• Never touch the metal parts of the air conditioner when removing the air lter.
• 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.
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OPERATION
Notes for Operation
Suggestion for Energy Saving
• 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 ow vertically or horizontally to circulate indoor air.
• Speed up the fan to cool or warm indoor air quickly, within a short period of time.
• Open windows regularly for ventilation. The indoor air quality may deteriorate if the air conditioner is used for
long durations.
• Clean the air lter once every 2 weeks. Dust and impurities collected in the air lter may block the air ow or
weaken the cooling / dehumidifying functions.
Parts and Functions
Indoor Unit Outdoor Unit
1
Air Filter
2
Air Intake
3
Front Cover
4
On/Off Button
5
Air Deector (Vertical louver)
6
Air Deector (Horizontal vane)
7
Air Outlet
1
Air Intake Vents
2
Air Outlet Vents
NOTE
• The number and location of operation lamps may vary according to the model of the air conditioner.
• The feature may be changed according to the type of model.
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Wireless Remote Control
Inserting Batteries
If the display screen of the remote control begins
to fade, replace the batteries. Insert AAA (1.5 V)
batteries before using the remote control.
1
Remove the battery cover.
2
Insert the new batteries and make sure that the
+ and - terminals of the batteries are installed
correctly.
Installing the Remote Control Holder
To protect the remote control, install the holder where
there is no direct sunlight.
1
Choose a safe and easily accessible location.
2
Fix the holder by fastening 2 screws rmly with a
screwdriver.
Operating method
Point the remote control towards the signal receiver
at the right side of the air conditioner to operate it.
NOTE
• The remote control may operate other electronic
devices if it is directed towards them. Make sure to
point the remote control towards the air conditioner
signal receiver.
• For proper operation, use a soft cloth to clean the
signal transmitter and receiver.
• In case of a function not provided in the product,
no buzzer sound occurs from the product when a
button for such function on the remote control is
pressed except for Air Flow Direction(
), Energy
Display(
), Air Purication function( ).
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11
Setting the Current Time
1
Insert batteries.
• The icon below blinks at the bottom of the
display screen.
2
Press or button to select the minutes.
3
Press SET/CANCEL button to nish.
NOTE
• The On/Off Timer is available after setting the
current time.
Using the °C/°F Conversion
Function(Optional)
This function changes unit between °C and °F.
• Press and hold
button about 5 seconds.
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.
1
Open the front cover (Type1) or horizontal
vane(Type2).
2
Press the ON/OFF button.
Type1
Type2
ON/OFF
NOTE
• The stepping motor may be broken, if the horizontal
vane opens rapidly.
• The fan speed is set to high.
• The feature may be changed according to the type
of model.
• The temperature cannot be altered when using this
emergency On/Off button.
• For cooling-only models, the temperature is set to
22 °C.
• For cooling & heating models, the temperature is
set from 22 °C to 24 °C.