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
EN ENGLISH
LGHP09S
LGHP12S
REFRIGERANT
Copyright © 2022 LG Electronics Inc. All Rights Reserved
MFL71809802
Rev.01_061022
EN
SAFETY PRECAUTION
IMPORTANT SAFETY PRECAUTION
Notes for Precaution
•The appliance shall be installed in accordance with national wiring
regulations.
•Means for disconnection must be incorporated in the fixed wiring
in accordance with the wiring rules.
•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.
•If the supply cord is damaged, it must be replaced by the
manufacturer, its service agent or similarly qualified person in
order to avoid a hazard.
•For more information on installation, please refer to the installation
manual provided.
•The installation manual includes the following information.
− Instructions for safe use provided.
− Details concerning precautions during user maintenance.
− The dimensions of the space necessary for correct installation of
the appliance including the minimum permissible distance to
adjacent structure.
− The method of connection and disconnection to the appliance to
the electrical supply and interconnection of separate
components.
− Details of type and rating of fuse, or rating of circuit breakers.
− Instruction for fixed appliances stating how the appliance is to be
fixed.
•The service manual includes the following information.
− A wiring diagram with a clear indication of the connections and
wiring to external control devices and supply cord.
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For R32
•The installation of pipe-work shall be kept to a minimum.
•Pipe-work shall be protected from physical damage.
•Compliance with national gas regulations shall be observed.
•Mechanical connections (mechanical connectors or flared joints)
shall be accessible for maintenance purposes.
•Keep any required ventilation openings clear of obstruction.
•Any person who is involved with working on or breaking into a
refrigerant circuit should hold a current valid certificate from an
industry-accredited assessment authority, which authorizes their
competence to handle refrigerants safely in accordance with an
industry recognized assessment specification.
•Servicing shall only be performed as recommended by the
equipment manufacturer. Maintenance and repair requiring the
assistance of other skilled personnel shall be carried out under the
supervision of the person competent in the use of flammable
refrigerants.
•The appliance shall be stored in a well-ventilated area where the
room size corresponds to the room area as specified for
operation.
•The appliance shall be stored in a room without continuously
operating open flames (for example an operating gas appliance)
and ignition sources (for example an operating electric heater).
•The appliance shall be stored so as to prevent mechanical
damage from occurring.
•For more information on installation, please refer to the installation
manual provided.
•The installation manual includes the following information.
− The maximum refrigerant charge amount.
− Information for handling, installation, cleaning, servicing, and
disposal of refrigerant.
•The service manual includes the following information.
− The minimum rated airflow.
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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 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.
The following symbols are displayed on indoor and outdoor
units.
This symbol indicates that this appliance uses a mildly
flammable refrigerant. If the refrigerant is leaked and
exposure to an external ignition source, there is a risk
of fire.
This symbol indicates that the Operation Manual should
be read carefully.
This symbol indicates that a service personnel should
be handling this equipment with reference to the
Installation Manual.
This symbol indicates that information is available such
as the Operating Manual or Installation Manual.
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IMPORTANT SAFETY INSTRUCTIONS
WARNING
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:
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.
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•Do not connect the ground wire to a gas pipe, a lightning rod, or a
telephone ground wire.
•Do not install the unit in potentially explosive atmospheres.
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.
•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.
•Never touch, operate, or repair the air conditioner with wet hands.
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•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.
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•Failure to read and follow all instructions in this manual can result
in equipment malfunction, property damage, personal injury and/or
death.
•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.
9
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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, plastic
bag 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.
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•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.
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.
•To clean the interior, contact an authorized service center or
dealer. Using harsh detergents may cause corrosion or damage to
the unit.
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OPERATION
Notes for Operation
Suggestion for Energy Saving
• Do not over-cool the space. 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, 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 filter once every 2 weeks. Dust and impurities collected in the air filter may block the
air flow or reduce the unit performance.
• For use in Australia, New Zealand : This air conditioner is capable of DRM1, DRM2 and DRM3 and
complies with standard AS/NZS 4755.3.1.(Optional)
Parts and Functions
Indoor Unit
Outdoor Unit
Air Filter
Air Intake Vents
Air Outlet Vents
1
2
3
4
5
6
7
1
Air Intake
2
Front Cover
Air Outlet
Air Deflector (Horizontal Vane)
Air Deflector (Vertical Louver)
On/Off Button
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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Operating Method
Wireless Remote Control
Point the remote control towards the signal
receiver at the right side of the air conditioner to
Inserting Batteries
operate it.
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.
Remove the battery cover.
1
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.
Insert the new batteries and make sure that
the + and - terminals of the batteries are
installed correctly.
2
• 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 ( SWING ), Energy Display (kW [3 s]),
Installing the Remote Control
Holder (Optional)
Air Purification function ( ).
To protect the remote control, install the holder
where there is no direct sunlight.
Choose a safe and easily accessible
location.
1
Fix the holder by fastening 2 screws firmly
with a screwdriver.
2
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Setting the Current Time
Operating the Air Conditioner
without the Remote Control
Insert batteries.
1
You can use the ON/OFF button of the indoor
unit to operate the air conditioner when the
remote control is unavailable.
• The icon below blinks at the bottom of the
display screen.
Open the front cover (Type2) or horizontal
vane (Type1).
1
Press
minutes.
or
button to select the
2
3
Press the ON/OFF button.
2
Type1
Press SET/CANCEL button to finish.
NOTE
• The On/Off Timer is available after setting the
current time.
ON/OFF
Using the °C/°F Conversion
Function (Optional)
Type2
This function changes unit between °C and °F
SWING
℃↔℉ [5 s]
• Press and hold
button about 5 seconds.
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
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Using Wireless Remote Control
You can operate the air conditioner more conveniently with the remote control.
Display
Description
Button
Screen
-
To turn on/off the air conditioner.
To adjust the desired room
2
temperature in cooling, heating or auto
changeover mode.
*
*
*
To select the cooling mode.
To select the heating mode.
To select the dehumidification mode.
To select the fan mode.
FAN
SPEED
MODE
kW [3 s]
TEMP
JET
MODE
MODE
1
ROOM
TEMP
SWING
SWING
To select the auto changeover/auto
operation mode.
℃↔℉ [5 s]
DIAGNOSIS [5 s]
SET UP
SET
CANCEL
FUNC.
TIMER
JET
MODE
To change room temperature quickly.
To adjust the fan speed.
CANCEL
FAN
SPEED
To adjust the air flow direction
vertically or horizontally.
RESET
SWING SWING
NOTE
• * buttons may be changed according to the type of model.
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Display
Screen
Description
Button
To turn on/off air conditioner
automatically at desired time.
TIMER
2
SET/
CANCEL
To set/cancel the special functions and
timer.
-
-
-
To cancel the timer settings.
CANCEL
To adjust time.
*
*
*
*LIGHT
OFF
To set the brightness of the display on
the indoor unit.
-
FAN
SPEED
MODE
kW [3 s]
TEMP
ROOM
TEMP
To display the room temperature.
To change unit between °C and °F
To minimize power consumption.
JET
MODE
°C↔°F [5 s]
1
ROOM
TEMP
SWING
℃↔℉ [5 s]
SWING
*ENERGY
SAVING
DIAGNOSIS [5 s]
SET UP
SET
CANCEL
FUNC.
TIMER
*COMFORT
AIR
To adjust the air flow to deflect wind.
CANCEL
To set whether or not to display
information regarding energy.
kW [3 s]
-
-
*ENERGY
CTRL.
To bring the effect of the power saving.
RESET
*COMFORT
SLEEP
To make a comfortable sleeping
environment.
DIAGNOSIS
To conveniently check maintenance
information of a product.
[5 s]
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Display
Screen
Description
Button
The Ion generator uses millions of ions
to help improve indoor air quality.
2
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.
FAN
SPEED
FUNC.
MODE
kW [3 s]
TEMP
JET
MODE
To scare away a mosquito.
1
To remove moisture generated inside
the indoor unit.
ROOM
TEMP
SWING
SWING
℃↔℉ [5 s]
DIAGNOSIS [5 s]
SET UP
To make a comfortable sleeping
environment.
SET
CANCEL
FUNC.
TIMER
RESET
-
To initialize the remote control settings.
CANCEL
NOTE
• Some functions may not be supported, depending on the model.
• * buttons may be changed according to the type of model.
• Press the SET/CANCEL button to operate the selected FUNC..
RESET
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Restarting the Air Conditioner Using the Mode Function
Automatically
When the air conditioner is turned on again
This function allows you to select the desired
function.
after a power failure, this function restores the
Cooling Only Model
previous settings.
Cooling Mode
Disabling Auto Restart
Open the front cover (Type2) or horizontal
vane (Type1).
1
Auto Operation(AI) Mode
Press the ON/OFF button and hold it for 6
seconds, then the unit will beep twice and
2
Dehumidification Mode
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
Fan Mode
4 times.
Cooling & Heating Model
Type1
Cooling Mode
Auto Changeover Mode
ON/OFF
Dehumidification Mode
Type2
Heating Mode
ON/OFF
Fan Mode
NOTE
Cooling Mode
• The feature may be changed according to the
type of model.
Turn the appliance on.
1
• If you press and hold the ON/OFF button for 3
– 5 seconds, instead of 6 seconds, the unit
Press MODE button repeatedly to select the
Cooling Mode.
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.
2
•
is displayed on the display screen.
3
Press
temperature.
or
button to set the desired
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Auto Operation (Artificial
Intelligence)
Auto Changeover Mode
Cooling & Heating Model
This mode changes the mode automatically to
maintain the set temperature at ±2 °C
Cooling Only Model
This mode automatically sets the fan speed and
temperature depending on the room
temperature.
Turn the appliance on.
1
Turn the appliance on.
1
Press MODE button repeatedly to select the
Auto Changeover Mode.
2
Press MODE button repeatedly to select the
Auto Operation.
2
•
is displayed on the display screen.
•
is displayed on the display screen.
3
4
Press
temperature.
or
button to set the desired
3
Press
or
button to select the desired
operation code if the temperature is higher
or lower than the desired temperature.
Press FAN SPEED button to adjust the fan
speed.
Dehumidification Mode
This mode removes excess moisture from a
highly humid environment or during the rainy
season, in order to prevent mildew from setting
in. This mode adjusts the room temperature and
the fan speed automatically to maintain the
optimal level of humidity.
Code
Description
2
1
Cold
Turn the appliance on.
1
A little cold
0
Maintain room temperature
Press MODE button repeatedly to select the
Dehumidification Mode.
2
-1
-2
A little hot
Hot
•
is displayed on the display screen.
NOTE
NOTE
• In this mode, you cannot adjust the fan speed,
but you can set the air deflector to rotate
automatically.
• In this mode you cannot adjust the room
temperature, it is adjusted automatically.
• The room temperature is not displayed on the
display screen.
• In the dehumidification mode, compressor and
indoor fan may not operate when the room
temperature is below 24 °C
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Heating Mode
Using the Jet Mode Function
Turn the appliance on.
Changing Room Temperature
Quickly
1
Press MODE button repeatedly to select the
Heating Mode.
This function allows you to cool indoor air
quickly during the summer or warm it quickly
during winter.
2
•
is displayed on the display screen.
• Cooling & Heating model : The Jet Mode
function is available with Cooling, Heating and
Dehumidification Mode.
3
Press
or
button to set the desired
• Cooling Only model : The Jet Mode function is
available with Cooling, Dehumidification, Fan,
Auto Operation Mode and Air Purification
function.
temperature.
NOTE
•
will be displayed on the indoor unit when
defrosting is operating.
Turn the appliance on.
1
• Furthermore, this indication will be displayed
on the indoor unit:
Press MODE button repeatedly to select the
desired mode.
2
− When preheating is operating.
− When the room temperature has been
reached to the set temperature.
Press JET MODE button.
3
•
is displayed on the display screen.
Fan Mode
NOTE
This mode only circulates the indoor air without
changing the room temperature.
• Jet Heating Mode is not available on some
models.
Turn the appliance on.
1
• In Jet Cooling Mode, strong air blows out for
30 minutes.
Press MODE button repeatedly to select the
Fan Mode.
• After 30 minutes later, setting temperature is
maintaining 18 °C
2
If you want to change the temperature, Press
•
is displayed on the display screen.
or
button to set the desired
temperature.
Press FAN SPEED button to adjust the fan
speed.
3
• In Jet Heating Mode, strong air blows out for
30 minutes.
• After 30 minutes later, setting temperature is
maintaining 30 °C
NOTE
If you want to change the temperature, Press
•
or
will be displayed on the indoor unit
or
button to set the desired
when fan mode is operating.
temperature.
• This function may operate differently from the
remote control display.
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Using the Fan Speed
Function
Using the Air Flow Direction
Function
This function adjusts the direction of the air flow
vertically (horizontally).
Adjusting the Fan Speed
• Press FAN SPEED button repeatedly to adjust
• Press
(
SWING ) button repeatedly and select
SWING
the fan speed.
the desired direction.
− Select ) to adjust the direction of the
air flow automatically.
Display Screen
Speed
(
High
NOTE
Medium - High
• Adjusting the air flow direction horizontally
may not be supported, depending on the
model.
Medium
Medium - Low
Low
• 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
-
Natural Wind
NOTE
• The fan speed of Natural Wind adjusts
automatically.
this occurs, press
or
button to
SWING
SWING
adjust the direction of the air flow again.
• This function may operate differently from the
remote control display.
→
→
• 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.
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Setting the Off Timer
Setting the On/Off Timer
This function sets the air conditioner to turn on/
off automatically at desired time.
Press
button repeatedly.
1
TIMER
• The icon below blinks at the bottom of the
display screen.
On/Off Timer can be set together.
Setting the On Timer
Press
button repeatedly.
1
TIMER
• The icon below blinks at the bottom of the
display screen.
Press
minutes.
or
button to select the
2
3
Press SET/CANCEL button to finish.
• After setting the timer, current time and
icon are displayed on the display
screen indicating that the desired time is
set.
Press
minutes.
or
button to select the
2
3
Press SET/CANCEL button to finish.
NOTE
• After setting the timer, current time and
• This function is disabled when you set Simple
Timer.
icon are displayed on the display
screen indicating that the desired time is
set.
Canceling the Off Timer
Press
button repeatedly.
1
2
TIMER
• The icon below blinks at the bottom of the
display screen.
Canceling the On Timer
Press
button repeatedly.
1
TIMER
• The icon below blinks at the bottom of the
display screen.
Press SET/CANCEL button to cancel the
setting.
Press SET/CANCEL button to cancel the
setting.
2
Canceling the Timer Setting
• Press
button to cancel all timer settings.
CANCEL
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Using the Sleep Function
(Optional)
Using the Simple Timer
Function (Optional)
This function turns off the air conditioner
This function turns off the air conditioner
automatically when you go to sleep.
automatically when you go to sleep.
Turn the appliance on.
Turn the appliance on.
1
1
Press
button repeatedly.
Press
button repeatedly.
TIMER
2
2
TIMER
• The icon below blinks at the bottom of the
display screen.
• The icon below blinks at the bottom of the
display screen.
Press
(up to 7 hours).
or
button to select the hour
Press
(up to 7 hours).
or
button to select the hour
3
4
3
4
Press SET/CANCEL button to finish.
is displayed on the display screen.
Press SET/CANCEL button to finish.
• is displayed on the display screen.
•
NOTE
NOTE
• This function is disabled when you set Off
Timer.
•
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 Dehumidification 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.
23
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Using the Energy Display
Function (Optional)
Using the Light Off Function
(Optional)
This function displays the amount of electricity
generated on the indoor display as the product
operates.
Display Screen Brightness
You can set the brightness of the indoor unit
display screen.
• Press LIGHT OFF button.
Display the Current Energy Usage
NOTE
Turn the appliance on.
1
• Turn on/off the Display screen.
• If the brightness of an indoor appliance’s
display is set to OFF, pressing a button on the
remote control automatically turns the display
on for 5 seconds.
2
Press
button and hold it about 3
kW [3 s]
seconds.
• The instantaneous power consumption (
or ) is displayed for a while on
some indoor units.
Using the Comfort Air
Function (Optional)
Comfort Vane Operation
Display the Cumulative Energy
Usage (Optional)
This function conveniently sets the vane to a
preset position to deflect the supply air away
from blowing directly onto the occupants in the
room.
Turn the appliance on.
1
Turn the appliance on.
1
2
Press
seconds twice.
button and hold it about 3
kW [3 s]
Press COMFORT AIR button repeatedly
and select the desired direction.
• The cumulative power consumption (
is displayed for a while on some indoor
units.
)
2
•
or
is displayed on the display
screen.
NOTE
• The unit of the displayed value is kW.
NOTE
• It is not displayed on the wireless remote
•
or
is displayed on some indoor units.
control.
• This function is disabled when you press
• kW refers to instantaneous power
consumption.
MODE or JET MODE button.
• This function is disabled and auto swing of
• kWh refers to cumulative power consumption.
vertical direction is set up when you press
• If it is more than 99 kWh, which is the range
of expression, maintain it as 99 kWh.
button.
SWING
• When this function is off, the horizontal vane
operates automatically depending on the set
mode.
• Power off resets its value.
• Display wattage under 10 kW(h) with 0.1
kW(h) unit, and display one over 10 kW(h)
with 1 kW(h) unit.
• The actual power may differ from the power
displayed.
24
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Using the Energy Saving
Function (Optional)
Using the Energy Control
Function (Optional)
This function minimizes power consumption
during Cooling and increases the set
Turn the appliance on.
1
temperature to the optimal level for a more
comfortable environment. The temperature
automatically settles at 22 °C if desired
temperature is below 22 °C The temperature
remains constant if it is above 22 °C
Press ENERGY CTRL. button.
2
• Press ENERGY CTRL. button repeatedly
to select each step.
Turn the appliance on.
1
NOTE
• 1 step : The power Input is decreased by 20
% compared to rated power input.
Press MODE button repeatedly to select the
Cooling Mode.
2
−
is displayed on the display screen.
• 2 step : The power Input is decreased by 40
% compared to rated power input.
Press ENERGY SAVING button.
3
−
is displayed on the display screen.
•
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.
25
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Using Special Functions
Display
Screen
Description
Turn the appliance on.
1
The Ion generator uses millions
of ions to help improve indoor
air quality.
Press FUNC. button repeatedly to select the
desired function.
2
To reduce noise from outdoor
units.
To keep your skin moisturized
by generating ion clusters.
Press SET/CANCEL button to finish.
3
To lower indoor humidity
quickly.
To maintain a minimum room
temperature and prevent
objects in the room from
freezing.
To scare away a mosquito.
To remove moisture generated
inside the indoor unit.
To make a comfortable sleeping
environment.
NOTE
• Some functions may not be supported,
depending on the model.
• Some functions may operate differently from
the remote control display.
26
EN
Canceling Special Functions
Using the Silent Function
This function prevents potential claims by
neighbors, reducing noise from outdoor units.
Press FUNC. button repeatedly to select the
desired function.
1
•
is displayed on the display screen.
Press SET/CANCEL button to cancel the
function.
2
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 Air Purification
Function
These functions supply clean and fresh air by
ion particles and the filter.
Using the Ion Care Function
Function
Ionizer
Display
Description
This function keeps your skin moisturized by
generating ion clusters which is absorbed into
the surface of skin.
Ion particles
from Ionizer
reduce the
surface bacteria
and other
•
is displayed on the display screen about 3
seconds.
harmful
substances.
NOTE
• This function is available with Cooling, Fan
Mode and Air Purification function.
It removes
microscopic
contaminants
from the intake
air completely to
supply clean and
fresh air.
Plasma
Using the Jet Dry Function
This function maximizes the performance of
dehumidification.
•
,
are displayed on the display screen.
NOTE
• You can use this function without turning the
air conditioner on.
NOTE
• This function is available with Cooling,
Dehumidification, Auto Operation, Fan Mode
and Air Purification function.
• Both the plasma lamp and the cooling lamp
light up while Smoke Away/Plasma is in
operation on some models.
• This function is not available with Sleep
• Do not touch ionizer during operation.
function.
• This function may operate differently from the
remote control display.
• This function is disabled when you press
MODE button.
27
EN
Using the Low Heating Function
Using the Auto Clean 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.
In the Cooling and Dehumidification Mode,
moisture is generated inside the indoor unit.
This function removes such moisture.
•
is displayed on the display screen.
•
,
are displayed on the display screen.
NOTE
• Some functions cannot be used while the Auto
Clean function is in operation.
NOTE
• This function is available with Heating Mode.
• If you turn off the unit, the fan continues to run
for 30 minutes and cleans the inside of the
indoor unit.
• During LH operation, when you press buttons
such as
,
, MODE, FAN SPEED, and
then return to Heating Mode.
•
is displayed on some indoor units,
depending on the model.
• 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)
Using the Comfort Sleep Function
• In case an error occurred, operation can be
interrupted for the protection of the product.
This function operates the air conditioner
automatically to make the comfortable sleep
environment.
• COMFORT AIR and
button cannot be
SWING
used while the LH function is in operation.
•
,
are displayed on the display screen.
NOTE
Using the Mosquito Away
Function
• This function is available with Cooling Mode.
• The vane stops swing and sets indirect airflow
angle, after 30 minutes from start even though
the room temperature doesn’t decrease to
optimal temperature to sleep.
This function fans away mosquitos by
generating a high-frequency wave.
•
is displayed on the display screen.
• It is possible that a comfortable sleep
environment is different according to the
people.
NOTE
• You can use this function without turning the
air conditioner on.
•
is displayed on some indoor units.
28
EN
SMART FUNCTIONS
Turn off the Mobile data or Cellular Data
on your smartphone.
LG ThinQ Application
This feature is only available on models with the
2
3
or ThinQ logo.
The LG ThinQ application allows you to
communicate with the appliance using a
smartphone.
LG ThinQ Application Features
Communicate with the appliance from a
smartphone using the convenient smart
features.
Connect your smartphone to the wireless
router.
Smart Diagnosis
If you experience a problem while using the
appliance, this smart diagnosis feature will help
you diagnose the problem.
Settings
Allows you to set various options on the
appliance and in the application.
NOTE
NOTE
• If you change your wireless router, internet
service provider, or password, delete the
registered appliance from the LG ThinQ
application and register it again.
• To verify the Wi-Fi connection, check that
icon on the control panel is lit.
• The appliance supports 2.4 GHz Wi-Fi
networks only. To check your network
frequency, contact your Internet service
provider or refer to your wireless router
manual.
• The application is subject to change for
appliance improvement purposes without
notice to users.
• Functions may vary by model.
• LG ThinQ is not responsible for any network
connection problems or any faults,
malfunctions, or errors caused by network
connection.
Before Using LG ThinQ
Application
• If the appliance is having trouble connecting to
the Wi-Fi network, it may be too far from the
router. Purchase a Wi-Fi repeater (range
Check the distance between the appliance
and the wireless router (Wi-Fi network).
1
extender) to improve the Wi-Fi signal strength.
• If the distance between the appliance and
the wireless router is too far, the signal
strength becomes weak. It may take a
long time to register or installation may
fail.
• The Wi-Fi connection may not connect or may
be interrupted because of the home network
environment.
• The network connection may not work
properly depending on the Internet service
provider.
• The surrounding wireless environment can
make the wireless network service run slowly.
29
EN
• The appliance cannot be registered due to
problems with the wireless signal
transmission. Unplug the appliance and wait
about a minute before trying again.
RF Radiation Exposure Statement
• This equipment shall be installed and used at
a minimum distance of 20 cm from the human
body.
• If the firewall on your wireless router is
enabled, disable the firewall or add an
exception to it.
Wireless LAN Module Specifications
This appliance is equipped with only one of the
following models:
• The wireless network name (SSID) should be
a combination of English letters and numbers.
(Do not use special characters.)
• Smartphone user interface (UI) may vary
depending on the mobile operating system
(OS) and the manufacturer.
Model
LCW-003
Frequency
Range
2412 MHz - 2472 MHz
• If the security protocol of the router is set to
WEP, you may fail to set up the network.
Please change it to other security protocols
(WPA2 is recommended) and register the
product again.
IEEE 802.11b:18.37 dBm
IEEE 802.11g:17.67 dBm
IEEE 802.11n:17.67 dBm
Output
Power(Max)
Model
LCW-007
Frequency
Range
2412 MHz - 2472 MHz
Installing the LG ThinQ
Application
IEEE 802.11b:17.59 dBm
IEEE 802.11g:17.39 dBm
Output
Power(Max) IEEE 802.11n(HT20):16.64 dBm
Search for the LG ThinQ application from the
Google Play Store or Apple App Store on a
smartphone. Follow instructions to download
and install the application.
IEEE 802.11n(HT40):17.05 dBm
Open Source Software Notice
Information
To obtain the source code that is contained in
this product, under GPL, LGPL, MPL, and other
open source licenses that have the obligation to
disclose source code, and to access all referred
license terms, copyright notices and other
relevant documents please visit https://
opensource.lge.com.
LG Electronics will also provide open source
code to you on CD-ROM for a charge covering
the cost of performing such distribution (such as
the cost of media, shipping, and handling) upon
email request to [email protected].
This offer is valid to anyone in receipt of this
information for a period of three years after our
last shipment of this product.
30
EN
Using Audible Diagnosis to
Diagnose Issues
Smart Diagnosis
This feature is only available on models with the
or
logo.
Follow the instructions below to use the audible
diagnosis method.
Use this feature to help you diagnose and solve
problems with your appliance.
• Launch the LG ThinQ application and select
the Smart Diagnosis feature in the menu.
Follow the instructions for audible diagnosis
provided in the LG ThinQ application.
NOTE
• For reasons not attributable to LGE’s
negligence, the service may not operate due
to external factors such as, but not limited to,
Wi-Fi unavailability, Wi-Fi disconnection, local
app store policy, or app unavailability.
Plug the power plug in the outlet properly.
1
Place the mouthpiece of your smartphone
close to the
2
or
logo.
• The feature may be subject to change without
prior notice and may have a different form
depending on where you are located.
Press and hold the DIAGNOSIS [5 s]
button for 5 seconds or longer while holding
the smartphone mouthpiece to the logo until
the data transfer is complete.
3
4
Using LG ThinQ to Diagnose
Issues
• Keep the smartphone in place until the
data transfer has finished. Time remaining
for data transfer is displayed.
If you experience a problem with your Wi-Fi
equipped appliance, it can transmit
troubleshooting data to a smartphone using the
LG ThinQ application.
After the data transfer is complete, the
diagnosis will be displayed in the
application.
• Launch the LG ThinQ application and select
the Smart Diagnosis feature in the menu.
Follow the instructions provided in the LG
ThinQ application.
NOTE
• For best results, do not move the phone while
the tones are being transmitted.
• Be sure to keep ambient noise to a minimum
or the phone may not correctly receive the
buzzer beeps from the indoor unit.
31
EN
MAINTENANCE
WARNING
• Before cleaning or performing maintenance, disconnect the power supply and wait until the fan
stops.
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.
32
EN
Type
Description
Interval
Air filter
Clean with a vacuum or hand wash.
2 weeks
Triple filter
Clean with a vacuum or brush.
Every 3 months
Once a month
Every 6 months
Every 6 months
Regularly
Micro dust filter Clean with a vacuum or brush.
Allergy filter Clean with a vacuum or brush.
Ionizer (Optional) Use dry cotton bud to remove any dust.
Clean the Indoor unit surface by using a soft, dry cloth.
Have a professional clean the condensate drain pan.
Have a professional clean the condensate drain pipe.
Replace the remote control batteries.
Once a year
Indoor unit
Every 4 months
Once a year
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
Once a year
Outdoor unit
Have a professional clean the condensate drain pan.
Have a professional verify that all the fan assembly is
firmly tightened.
Once a year
Once a year
Clean the electric components with air.
NOTE
• Never use water that is higher 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.
• Do not wash the Micro dust filter with water, because the filter can be damaged (Optional).
• Do not wash the Triple filter with water, because the filter can be damaged (Optional).
• Do not wash the Allergy filter with water, because the filter can be damaged (Optional).
33
EN
Push down hooks to assemble the air filter.
Clean the Air Filter
Clean the air filters once every 2 weeks, or
more, if necessary.
7
8
NOTE
• The air filter can be broken when it is bent.
• When the air filter is not assembled correctly,
dust and other substances can enter into the
indoor unit.
Check the side of the front cover for correct
assembly of the air filter.
Type1
Type2
If you look at the indoor unit from above it, can
assemble the top filter easily.
Turn off the power to the unit.
1
2
Turn off the power to the unit.
1
Open the front cover.
• Lift up both sides of the cover slightly.
Hold the knobs of the air filter, lift it up
slightly.
2
Hold the knobs of the air filters, pull them
down slightly and remove them from the
indoor unit.
3
Remove it from the indoor unit.
3
Clean the filters with a vacuum cleaner or
with lukewarm water with neutral detergent.
4
Dry the filters in the shade.
5
6
Clean the filter with a vacuum cleaner or
with lukewarm water with neutral detergent.
4
Insert the hooks of the air filters into the
front cover.
Dry the filter in the shade.
5
Insert the hooks of the air filter into the front
cover.
6
Check the side of the front cover for correct
assembly of the air filters.
7
34
EN
Insert the Micro dust, Triple and Allergy
filter.
Clean the Micro dust, Triple
and Allergy Filter (Optional)
5
Turn off the power to the unit.
1
Type1
Type2
Remove the air filters from the indoor unit.
2
Remove the Micro dust, Triple and Allergy
filter from the indoor unit.
3
Type1
Assemble the air filters.
6
7
Type2
Check the side of the front cover for correct
assembly of the air filters.
NOTE
• The feature and location of Micro dust, Triple
and Allergy filter may vary according to the
type of model.
Clean the filter with a vacuum cleaner.
4
35
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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.
Symptoms
Possible Causes & Solution
Burning smell and strange sounds are coming from the unit.
• Turn off the air conditioner, switch OFF, or disconnect the power supply,
and contact the service center.
Water leaks from the indoor unit even when the humidity level is low.
• Turn off the air conditioner, switch OFF, or disconnect the power supply,
and contact the service center.
The power cable is damaged or it is generating excessive heat.
• Turn off the air conditioner, switch OFF, or disconnect the power supply,
and contact the service center.
The air conditioner
does not work
normally.
A switch, a circuit breaker (safety, ground), or a fuse is not operated
properly.
• Turn off the air conditioner, switch OFF, or disconnect the power supply,
and contact the service center.
The unit generates an error code from its self-diagnosis.
• Turn off the air conditioner, switch OFF, or disconnect the power supply,
and contact the service center.
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 air conditioner
does not work.
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.
36
EN
Symptoms
Possible Causes & Solution
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 filter is dirty.
• Clean the air filter once every 2 weeks.
• See “Clean the 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 air conditioner
does not emit cool
air.
the room.
The desired temperature is higher than the current 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 sufficient.
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 fan speed
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 temperature
cannot be adjusted.
The air conditioner is suddenly turned off.
• The Timer Function may have timed out, which turns the unit off. Check
the timer settings.
The air conditioner
stops during
operation.
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.
37
EN
Symptoms
Possible Causes & Solution
The Auto Clean function is being operated.
The indoor unit is
still operating even
when the unit has
been turned off.
• 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.
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.
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.
Water leaks from the
outdoor unit.
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 flow of refrigerant through the
air conditioner.
There is noise or
vibration.
• These are normal symptoms. The noise will stop.
Odors (such as cigarette smoke) may be absorbed into the indoor
unit and discharged with airflow.
• If the smell does not disappear, you need to wash the filter. If this does
not work, contact the service center to clean your heat exchanger.
The indoor unit
gives off an odor.
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 air conditioner
does not emit warm
air.
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 finish in approximately 15 minutes.
Outside temperature is too low.
• The heating effect may not be sufficient.
38
EN
Symptoms
Possible Causes & Solution
The password for the Wi-Fi that you are trying to connect to is
incorrect.
• Find the Wi-Fi network connected to your smartphone and remove it,
then register your appliance on LG ThinQ.
Mobile data for your smartphone is turned on.
• Turn off the Mobile data of your smartphone and register the appliance
using the Wi-Fi network.
The wireless network name (SSID) is set incorrectly.
• The wireless network name (SSID) should be a combination of English
letters and numbers. (Do not use special characters.)
Your home appliance
and smartphone is
not connected to the
Wi-Fi network.
The router frequency is not 2.4 GHz.
• Only a 2.4 GHz router frequency is supported. Set the wireless router to
2.4 GHz and connect the appliance to the wireless router. To check the
router frequency, check with your Internet service provider or the router
manufacturer.
The distance between the appliance and the router is too far.
• If the distance between the appliance and the router is too far, the signal
may be weak and the connection may not be configured correctly. Move
the location of the router so that it is closer to the appliance.
NOTE
• Some functions may not be supported, depending on the model.
39
Memo
Memo
Memo
|