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SRPSKIGAEILGE
ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH ΕΛΛΗΝΙΚΆ PORTUGUÊS NEDERLANDS POLSKI MAGYAR
БЪЛГАРСКИ ČEŠTINA MALTI SLOVENČINA LATVIEŠUHRVATSKI EESTI KEEL ROMÂNÂ SLOVENŠČINA LIETUVIŲ
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
MFL69489601
Rev.04_063016
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
3
ENGLISH
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.
For use in Europe:
This appliance can be used by children aged from 8 years and above and persons
with reduced physical, sensory or mental capabilities or lack of experience and
knowledge if they have been given supervision or instruction concerning use of
the appliance in a safe way and understand the hazards involved. Children shall
not play with the appliance. Cleaning and user maintenance shall not be made by
children without supervision.
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 specic 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.
5
ENGLISH
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 specied 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
sufciently 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 sufciently 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.
6
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 qualied
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 qualied electrician.
• The refrigerant and insulation blowing gas used in the appliance require special
disposal procedures. Consult a service agent or a similarly qualied person
before disposing of them.
• If the supply cord is damaged, it must be replaced by the manufacturer or its
service agents or similarly qualied person in order to avoid a hazard.
7
ENGLISH
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 conict 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.
8
• 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.
9
ENGLISH
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 Deector (Vertical louver)
6
Air Deector (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.
10
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(
kW [3 s]
), Air Purication function( ).
11
ENGLISH
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
SWING
℃↔℉ [5 s]
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
ON/OFF
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.
12
Using Wireless Remote Control
You can operate the air conditioner more conveniently with the remote control.
*
*
1
2
*
RESET
Button
Display
Screen
Description
- To turn on/off the air conditioner.
To adjust the desired room
temperature in cooling, heating or
auto changeover mode.
MODE
To select the cooling mode.
To select the heating mode.
To select the dehumidication mode.
To select the fan mode.
To select the auto changeover/auto
operation mode.
JET
MODE
To change room temperature quickly.
FAN
SPEED
To adjust the fan speed.
To adjust the air ow direction
vertically or horizontally.
NOTE
• * buttons may be changed according to the type of model.
13
ENGLISH
*
*
1
2
*
RESET
Button
Display
Screen
Description
{ptly
To turn on/off air conditioner
automatically at desired time.
SET/
CANCEL
-
To set/cancel the special functions
and timer.
- To cancel the timer settings.
- To adjust time.
*LIGHT
OFF
-
To set the brightness of the display
on the indoor unit.
ROOM
TEMP
To display the room temperature.
°C↔°F[5 s]
To change unit between °C and °F.
*ENERGY
SAVING
To minimize power consumption.
*COMFORT
AIR
To adjust the air ow to deect wind.
kW[3 s] -
To set whether or not to display
information regarding energy.
*ENERGY
CTRL
To bring the effect of the power
saving.
*COMFORT
SLEEP
To make the comfortable sleep
environment.
DIAGNOSIS
[5 s]
-
To conveniently check maintenance
information of a product.
14
*
*
1
2
*
RESET
Button
Display
Screen
Description
m|ujU
To purify the air by removing particles
that enters the indoor unit.
To reduce noise from outdoor units.
To keep your skin moisturized by
generating ion clusters.
To lower indoor humidity quickly.
To maintain a minimum room
temperature and prevent objects in
the room from freezing.
To fan away a mosquito.
To remove moisture generated inside
the indoor unit.
To make the comfortable sleep
environment.
RESET -
To Initialize the remote control
settings.
NOTE
• Some functions may not be supported, depending on the model.
• * buttons may be changed according to the type of model.
15
ENGLISH
Restarting the Air Conditioner
Automatically
When the air conditioner is turned on again after
a power failure, this function restores the previous
settings.
Disabling Auto Restart
1
Open the front cover (Type1) or horizontal
vane(Type2).
2
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.
Type1
ON/OFF
Type2
ON/OFF
NOTE
• The feature may be changed according to the type
of model.
• 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 cooling air for 18 minutes and
then returns to factory default settings.
Using the Mode Function
This function allows you to select the desired
function.
Cooling Only Model
Cooling Mode
Auto Operation(AI) Mode
Dehumidication Mode
Fan Mode
Cooling & Heating Model
Cooling Mode
Auto Changeover Mode
Dehumidication Mode
Heating Mode
Fan Mode
Cooling Mode
1
Turn the appliance on.
2
Press MODE button repeatedly to select the
Cooling Mode.
•
is displayed on the display screen.
3
Press or button to set the desired
temperature.
16
Heating Mode
1
Turn the appliance on.
2
Press MODE button repeatedly to select the
Heating Mode.
•
is displayed on the display screen.
3
Press or button to set the desired
temperature.
Dehumidication Mode
This mode removes excess moisture from a highly
humid environment or during the rainy season,
in order to prevent molding from setting in. This
mode adjusts the room temperature and the fan
speed automatically to maintain the optimal level of
humidity.
1
Turn the appliance on.
2
Press MODE button repeatedly to select the
Dehumidication Mode.
•
is displayed on the display screen.
NOTE
• In this mode you cannot adjust the room
temperature, it is adjusted automatically.
• The room temperature is not displayed on the
display screen.
Fan Mode
This mode only circulates the indoor air without
changing the room temperature.
1
Turn the appliance on.
2
Press MODE button repeatedly to select the Fan
Mode.
•
is displayed on the display screen.
3
Press FAN SPEED button to adjust the fan
speed.
Auto Changeover Mode
Cooling & Heating Model
This mode changes the mode automatically to
maintain the set temperature at ±2 °C.
1
Turn the appliance on.
2
Press MODE button repeatedly to select the Auto
Changeover Mode.
•
is displayed on the display screen.
3
Press or button to set the desired
temperature.
4
Press FAN SPEED button to adjust the fan
speed.
17
ENGLISH
Auto Operation(Articial Intelligence)
Cooling Only Model
This mode automatically sets the fan speed and
temperature depending on the room temperature.
1
Turn the appliance on.
2
Press MODE button repeatedly to select the Auto
Operation.
•
is displayed on the display screen.
3
Press or button to select the desired
operation code if the temperature is higher or
lower than the desired temperature.
Code Description
2 Cool
1 Cool slightly
0 Maintain room temperature
-1 Heat slightly
-2 Heat
NOTE
• In this mode, you cannot adjust the fan speed, but
you can set the air deector to rotate automatically.
Using the Jet Mode Function
Changing Room Temperature
Quickly
This function allows you to cool indoor air quickly
during the summer or warm it quickly during winter.
• Cooling & Heating model : The Jet Mode
function is available with Cooling, Heating and
Dehumidication Mode.
• Cooling Only model : The Jet Mode function is
available with Cooling, Dehumidication, Fan, Auto
Operation Mode and Air Purication function.
1
Turn the appliance on.
2
Press MODE button repeatedly to select the
desired mode.
3
Press JET MODE button.
•
is displayed on the display screen.
NOTE
• Jet Heating Mode is not available on some models.
• In Jet Cooling Mode, strong air blows out at
temperature of 18 °C for 30 minutes.
• In Jet Heating Mode, strong air blows out at
temperature of 30 °C for 30 minutes.
• This function may operate differently from the
remote control display.
18
Using the Fan Speed
Function
Adjusting the Fan Speed
• Press FAN SPEED button repeatedly to adjust the
fan speed.
Display Screen Speed
High
Medium - High
Medium
Medium - Low
Low
- Natural Wind
NOTE
• The fan speed of natural air adjusts automatically.
→ →
• The fan speed icons are displayed on some indoor
units.
→ → → →
• Indoor unit display is displayed only 5 seconds and
return to the setting temperature on some models.
Using the Air Flow Direction
Function
This function adjusts the direction of the air ow
vertically (horizontally).
• Press
( ) button repeatedly and select the
desired direction.
− Select
( ) to adjust the direction of the air
ow automatically.
NOTE
• Adjusting the air ow direction horizontally may not
be supported, depending on the model.
• Adjusting the air deector arbitrarily may cause
product failure.
• If you restart the air conditioner, it starts to operate
with the previously set direction of air ow, so the
air deector may not match the icon displayed on
the remote control. When this occurs, press
or
button to adjust the direction of the air ow
again.
• This function may operate differently from the
remote control display.
19
ENGLISH
Setting the On/Off Timer
This function sets the air conditioner to turn on/off
automatically at desired time.
Setting the On Timer
1
Press
{ptly
button repeatedly.
• 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.
• After setting the timer, current time and
icon
are displayed on the display screen indicating
that the desired time is set.
Canceling the On Timer
1
Press
{ptly
button repeatedly.
• The icon below blinks at the bottom of the
display screen.
2
Press SET/CANCEL button to cancel the setting.
Setting the Off Timer
1
Press
{ptly
button repeatedly.
• 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.
• After setting the timer, current time and
icon
are displayed on the display screen indicating
that the desired time is set.
NOTE
• This function is disabled when you set Simple
Timer.
Canceling the Off Timer
1
Press
{ptly
button repeatedly.
• The icon below blinks at the bottom of the
display screen.
2
Press SET/CANCEL button to cancel the setting.
Canceling the Timer Setting
• Press button to cancel all timer settings.
20
Using the Sleep
Function(Optional)
This function turns off the air conditioner
automatically when you go to sleep.
1
Turn the appliance on.
2
Press
{ptly
button repeatedly.
• The icon below blinks at the bottom of the
display screen.
3
Press or button to select the hour (up
to 7 hours).
4
Press SET/CANCEL button to nish.
•
is displayed on the display screen.
NOTE
•
is displayed on some indoor units.
• Indoor unit display is displayed from 1H to 7H,
which is displayed only 5 seconds and then return
to the setting temperature.
• In the Cooling and Dehumidication Mode, the
temperature increases by 1 °C after 30 minutes
and additional 1 °C after another 30 minutes for a
more comfortable sleep.
• The temperature increases up to 2 °C from the
preset temperature.
• Although the remark for fan speed on the display
screen may be changed, the fan speed is adjusted
automatically.
Using the Simple Timer
Function(Optional)
This function turns off the air conditioner
automatically when you go to sleep.
1
Turn the appliance on.
2
Press
{ptly
button repeatedly.
• The icon below blinks at the bottom of the
display screen.
3
Press or button to select the hour (up
to 7 hours).
4
Press SET/CANCEL button to nish.
•
is displayed on the display screen.
NOTE
• This function is disabled when you set Off Timer.
21
ENGLISH
Using the Energy Display
Function(Optional)
This function displays the amount of electricity
generated on the indoor display as the product
operates.
Display the Current Energy Usage
1
Turn the appliance on.
2
Press
kW [3 s]
button and hold it about 3 seconds.
• The instantaneous power consumption(
or
) is displayed for a while on some indoor
units.
Display the Cumulative Energy
Usage(Optional)
1
Turn the appliance on.
2
Press
kW [3 s]
button and hold it about 3 seconds
twice.
• The cumulative power consumption(
kWh
kW
) is
displayed for a while on some indoor units.
NOTE
• It is not displayed on the wireless remote control.
• kW refers to instantaneous power consumption.
• kWh refers to cumulative power consumption.
• If it is more than 99 kWh, which is the range of
expression, maintain it as 99 kWh.
• Power off resets its value.
• Display wattage under 10 kW with 0.1 kW(h) unit,
and display one over 10 kW with 1 kW(h) unit.
• The actual power may differ from the power
displayed.
Using the Light Off
Function(Optional)
Display Screen Brightness
You can set the brightness of the indoor unit display
screen.
• Press LIGHT OFF button.
22
Using the Comfort Air
Function(Optional)
Comfort Vane Operation
This function conveniently sets the vane to a preset
position to deect the supply air away from blowing
directly onto the occupants in the room.
1
Turn the appliance on.
2
Press COMFORT AIR button repeatedly and
select the desired direction.
•
or is displayed on the display screen.
NOTE
•
or is displayed on some indoor units.
• This function is disabled when you press MODE or
JET MODE button.
• This function is disabled and auto swing of vertical
direction is set up when you press
SWING
℃↔℉ [5 s]
button.
• When this function is off, the horizontal vane
operates automatically depending on the set mode.
Using the Energy Saving
Function(Optional)
This function 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,
if room ambient temperature is below 22 °C. The
temperature remains constant if it is above 22 °C.
1
Turn the appliance on.
2
Press MODE button repeatedly to select the
Cooling Mode.
3
Press ENERGY SAVING button.
•
is displayed on the display screen.
23
ENGLISH
Using the Energy Control
Function(Optional)
1
Turn the appliance on.
2
Press ENERGY CTRL button.
• Press ENERGY CTRL button repeatedly to
select each step.
NOTE
• 1 step : The power Input is decreased by 20%
compared to rated power input.
−
is displayed on the display screen.
• 2 step : The power Input is decreased by 40%
compared to rated power input.
−
is displayed on the display screen.
• 3 step(Optional) : The power Input is decreased by
60% compared to rated power input.
−
is displayed on the display screen.
•
(1 step), (2 step) is displayed on some indoor
units.
• This function is available with Cooling Mode.
• Capacity may decrease when Energy Control mode
is selected.
• Desired temperature is displayed about 5 seconds
if you press FAN SPEED,
or button.
• Room temperature is displayed about 5 seconds if
you press ROOM TEMP button.
24
Using Special Functions
1
Turn the appliance on.
2
Press FUNC button repeatedly to select the
desired function.
3
Press SET/CANCEL button to nish.
Display
Screen
Description
To purify the air by removing
particles that enters the indoor unit.
To reduce noise from outdoor units.
To keep your skin moisturized by
generating ion clusters.
To lower indoor humidity quickly.
To maintain a minimum room
temperature and prevent objects in
the room from freezing.
To fan away a mosquito.
To remove moisture generated
inside the indoor unit.
To make the comfortable sleep
environment.
NOTE
• Some functions may not be supported, depending
on the model.
• Some functions may operate differently from the
remote control display.
25
ENGLISH
Canceling Special Functions
1
Press FUNC button repeatedly to select the
desired function.
2
Press SET/CANCEL button to cancel the
function.
Using the Air Purication Function
These functions supply clean and fresh air by ion
particles and lter.
Function Display Description
Ionizer
Ion particles from
Ionizer sterilize
the aerial bacteria
and other harmful
substances.
Plasma
It removes
microscopic
contaminants
from the intake air
completely to supply
clean and fresh air.
NOTE
• You can use this function without turning the air
conditioner on.
• Both the plasma lamp and the cooling lamp light up
while Smoke Away/Plasma is in operation on some
models.
• Do not touch ionizer during operation.
• This function may operate differently from the
remote control display.
Using the Silent Function
This function prevents potential claims by neighbors,
reducing noise from outdoor units.
•
is displayed on the display screen.
NOTE
• This function is disabled when you press MODE or
ENERGY CTRL or JET MODE button.
• This function is available with Cooling, Heating,
Auto Changeover, Auto Operation Mode.
Using the Ion Care Function
This function keeps your skin moisturized by
generating ion clusters which is absorbed into the
surface of skin.
•
is displayed on the display screen about 3
seconds.
NOTE
• This function is available with Cooling, Fan Mode
and Air Purication function.
Using the Jet Dry Function
This function maximizes the performance of
dehumidication.
•
, are displayed on the display screen.
NOTE
• This function is available with Cooling,
Dehumidication, Auto Operation, Fan Mode and
Air Purication function.
• This function is not available with Sleep function.
• This function is disabled when you press MODE
button.
26
Using the Low Heating Function
This function operates the heating system to maintain
a minimum room temperature and prevent objects in
the room from freezing where there is no permanent
resident, such as a vacation.
•
, are displayed on the display screen.
NOTE
• This function is available with Heating Mode.
• During LH operation, when you press buttons such
as
, , MODE, FAN SPEED, and then return
to Heating Mode, 30°C, high speed.
• If JET MODE button is pressed during LH
operation, this function is disabled and Power
Heating Mode is operated immediately. (only for
power heating model)
• In case an error occurred, operation can be
interrupted for the protection of the product.
• COMFORT AIR and
button cannot be used
while the LH function is in operation.
Using the Mosquito Away
Function(Optional)
This function fans away mosquitos by generating a
high-frequency wave.
•
is displayed on the display screen.
NOTE
• You can use this function without turning the air
conditioner on.
Using the Auto Clean Function
In the Cooling and Dehumidication Mode, moisture
is generated inside the indoor unit. This function
removes such moisture.
•
is displayed on the display screen.
NOTE
• Some buttons cannot be used while the Auto Clean
function is in operation.
• If you turn off the power, the fan operates for 30
minutes and cleans the inside of the indoor unit.
27
ENGLISH
Using the Comfort Sleep Function
This function operates the air conditioner
automatically to make the comfortable sleep
environment.
•
, are displayed on the display screen.
NOTE
• This function is available with Cooling Mode.
• The vane stops swing and sets indirect airow
angle, after 30 minutes from start even though
the room temperature doesn’t decrease to optimal
temperature to sleep.
• It is possible that a comfortable sleep environment
is different according to the people.
Smart Appliance Connectivity
Using the Wi-Fi Pairing
Function(Optional)
Once it is connected to the internet through a home
Wi-Fi network, you can control the appliance remotely
with the application for the smart phone.
• Press and hold the
kW [3 s]
and JET MODE button
simultaneously about 3 seconds.
NOTE
• It is not displayed on the wireless remote control.
• For more information, read manual in Wi-Fi
module.
28
Using the Smart Diagnosis
Function(Optional)
Smart Diagnosis allows users to conveniently check
maintenance information of a product.
• Easily checking operational status of the air
conditioner.
• Easily understanding the error messages.
• Helping to improve device performance and
expand product life.
1
Search and download LG A/C Smart Diagnosis
in Google play or App store.
2
Click the Receive button on the main screen on
your phone.
3
Press and hold the ROOM TEMP button about 5
seconds aim at the indoor unit.
4
Hold your phone close to the indoor unit.
• Buzzer beeps will be received by your phone.
5
Conrm the received information on your phone.
NOTE
• Be sure to keep ambient noise to a minimum or the
phone may not correctly receive the buzzer beeps
from the indoor unit.
29
ENGLISH
MAINTENANCE
WARNING
• Turn off the power and unplug the power cord before you perform any maintenance; otherwise it may cause
electric shock.
If the air conditioner will not be used for an extended period of time, dry the air conditioner to maintain it in best
condition. Clean the product regularly to maintain optimal performance and to prevent possible breakdown.
• Dry the air conditioner in Fan mode for 3 to 4 hours and disconnect the power. There may be internal damage
if moisture is left in its components.
• 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 the odor generated from moisture.
Air Filter
• The feature may be changed according to the type of model.
30
Type Description Interval
Air lter Clean with a vacuum or hand wash. 2 weeks
Triple lter Clean with a vaccum or brush. Every 3 months
3M lter Clean with a vaccum or brush. Every 6 months
Ionizer(Optional) Use dry cotton bud to remove any dust Every 6 months
Indoor unit
Clean the Indoor unit surface by using a soft, dry cloth. Regularly
Have a professional clean the condensate drain pan. Once a year
Have a professional clean the condensate drain pipe. Every 4 months
Replace the remote control batteries. Once a year
Outdoor unit
Have a professional clean the heat exchanger coils and the panel
vents.(Consult with technician).
Once a year
Have a professional clean the fan. Once a year
Have a professional clean the condensate drain pan. Once a year
Have a professional verify that all the fan assembly is rmly
tightened.
Once a year
Clean the electric components with air. Once a year
NOTE
• Never use water that is higher than 40 °C when you clean the lters. It may cause deformation or
discoloration.
• Never use volatile substances when you clean the lters. They may damage the surface of the product.
• Do not wash the 3M lter with water, because the lter can be damaged (Optional).
• Do not wash the Triple lter with water, because the lter can be damaged (Optional).
31
ENGLISH
Clean the Air Filter
Clean the air lters once every 2 weeks, or more, if
necessary.
NOTE
• The air lter can be broken when it is bended.
• When the air lter is not assembled correctly, dust
and other substance come into the indoor unit.
Type1
1
Turn off the power and unplug the power cord.
2
Open the front cover.
• Lift up both sides of the cover slightly.
3
Hold the knobs of the air lters, pull them down
slightly and remove them from the indoor unit.
4
Clean the lters with a vacuum cleaner or with
lukewarm water with neutral detergent.
5
Dry the lters in the shade.
6
Insert the hooks of the air lters into the front
cover.
7
Check the side of the front cover for correct
assembly of the air lters.
Type2
If you look at the indoor unit from above it, can
assemble the top lter easily.
1
Turn off the power and unplug the power cord.
2
Hold the knob of air lter, lift it up slightly.
3
Remove it from the indoor unit.
4
Clean the lter with a vacuum cleaner or with
lukewarm water with neutral detergent.
5
Dry the lter in the shade.
6
Insert the hooks of the air lter into the front
cover.
7
Push down hooks to assemble the air lter.
8
Check the side of the front cover for correct
assembly of the air lter.
32
Clean the 3M and Triple
Filter(Optional)
1
Turn off the power and unplug the power cord.
2
Remove the air lters from the indoor unit.
3
Remove the 3M and Triple lters from the indoor
unit.
Type1
Type2
4
Clean the lters with a vacuum cleaner.
5
Insert the 3M and Triple lters.
Type1
Type2
6
Assemble the air lters.
7
Check the side of the front cover for correct
assembly of the air lters.
NOTE
• The feature and location of 3M and Triple lter may
vary according to the type of model.
33
ENGLISH
TROUBLESHOOTING
Self-diagnosis Function
This product has a built-in self-diagnosis function. If an error occurs, the lamp of the indoor unit will blink in 2
second intervals. If this occurs, contact your local dealer or service center.
Before Calling for Service
Please check the following before you contact the service center. If the problem persists, contact your local
service center.
Problem Possible Causes Corrective Action
The air conditioner
does not work
normally.
Burning smell and strange sounds
are coming from the unit.
• Turn off the air conditioner, unplug the
power cable or disconnect the power
supply, and contact the service center.
Water leaks from the indoor unit even
when the humidity level is low.
The power cable is damaged or it is
generating excessive heat.
A switch, a circuit breaker (safety,
ground), or a fuse is not operated
properly.
The unit generates an error code from
its self-diagnosis.
The air conditioner
does not work.
The air conditioner is unplugged.
• Check whether the power cord is plugged
into the outlet or the power isolators are
switched on.
A fuse exploded, or the power supply
is blocked.
• Replace the fuse or check if the circuit
breaker has tripped.
A power failure has occurred.
• Turn off the air conditioner when a power
failure occurs.
• When the power is restored, wait 3 minutes,
and then turn on the air conditioner.
The voltage is too high or too low. • Check if the circuit breaker has tripped.
The air conditioner was turned off
automatically at a preset time.
• Turn the air conditioner on.
The battery setting in the remote
controller is incorrect.
• Make sure that the batteries are inserted
correctly in your remote controller.
• If the batteries are placed correctly, but
the air conditioner still does not operate,
replace the batteries and try again.
34
Problem Possible Causes Corrective Action
The air conditioner
does not emit cool
air.
Air is not circulating properly.
• Make sure that there are no curtains, blinds, or
pieces of furniture blocking the front of the air
conditioner.
The air lter is dirty.
• Clean the air lter once every 2 weeks.
• See “Cleaning Air Filter” for more information.
The room temperature is too
high.
• In summer, cooling the indoor air fully may take
some time. In this case, select the Jet Mode to
cool the indoor air quickly.
Cold air is escaping from the
room.
• Make sure that no cold air is escaping through
the ventilation points in the room.
The desired temperature is
higher than the set temperature.
• Set the desired temperature to a level lower
than the current temperature.
There is a heating source
nearby.
• Avoid using heat generators like electric ovens
or gas burners while the air conditioner is in
operation.
Fan Mode is selected.
• During Fan Mode, air blows from the air
conditioner without cooling or heating the
indoor air.
• Switch the operation mode to cooling operation.
Outside temperature is too high. • The cooling effect may not be sufcient.
The fan speed
cannot be adjusted.
The Jet Mode, or Auto Operation
Mode is selected.
• In some operation modes, you cannot adjust
the fan speed. Select an operation mode in
which you can adjust the fan speed.
The temperature
cannot be adjusted.
The Fan Mode or Jet Mode is
selected.
• In some operation modes, you cannot adjust
the temperature. Select an operation mode in
which you can adjust the temperature.
The air conditioner
stops during
operation.
The air conditioner is suddenly
turned off.
• The Timer Function may have timed out, which
turns the unit off. Check the timer settings.
A power failure has occurred
during operation.
• Wait for the power to come back. If you have
the Auto Restart function enabled, your unit will
resume its last operation several minutes after
power is restored.
The indoor unit is
still operating even
when power has
been turned off.
The Auto Clean function is being
operated.
• Allow the Auto Clean function to continue since
it removes any remaining moisture inside the
indoor unit. If you do not want this feature, you
can turn the unit off.
35
ENGLISH
Problem Possible Causes Corrective Action
The air outlet on
the indoor unit is
discharging mist.
The cooled air from the air conditioner
makes mist.
• When the room temperature decreases,
this phenomenon will disappear
Water leaks from
the outdoor unit.
In the heating operations, condensed
water drops from the heat exchanger.
• This symptom requires installing a drain
hose under the base pan. Contact the
installer.
There is noise or
vibration.
A clicking sound can be heard
when the unit starts or stops due to
movement of the reversing valve.
Creaking sound: The plastic parts of
the indoor unit creak when they shrink
or expand due to sudden temperature
changes.
Flowing or Blowing sound: This is
the ow of refrigerant through the air
conditioner.
• These are normal symptoms. The noise will
stop.
The indoor unit
gives off an odor.
Odors (such as cigarette smoke) may
be absorbed into the indoor unit and
discharged with airow.
• If the smell does not disappear, you need
to wash the lter. If this does not work,
contact the service center to clean your
heat exchanger.
The air conditioner
does not emit warm
air.
When Heating Mode starts, the vane
is almost closed, and no air comes
out, even though the outdoor unit is
operating.
• This symptom is normal. Please wait until
the unit has generated enough warm air to
blow through the indoor unit.
The outdoor unit is in Defrosting
Mode.
• In Heating Mode, ice/frost is built up on the
coils when the outside temperature falls.
This function removes a layer of frost on the
coil, and it should nish in approximately 15
minutes.
Outside temperature is too low. • The heating effect may not be sufcient.
NOTE
• Some functions may not be supported, depending on the model.
… 20 …

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