LG | S3NQ24K23WA | LG S3NQ24K23WA Owner’s Manual

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
www.lg.com
MFL69781202
Rev.01_092517
Copyright © 2017 LG Electronics Inc. All Rights Reserved.
TABLE OF CONTENTS
This manual 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........................................................................ 11
Notes for Operation............................................................................... 11
Parts and Functions............................................................................... 11
Wireless Remote Control.......................................................................12
Restarting the Air Conditioner Automatically.........................................17
Using the Mode Function.......................................................................17
Using the Jet Mode Function.................................................................19
Using the Fan Speed Function..............................................................20
Using the Air Flow Direction Function....................................................20
Setting the On/Off Timer........................................................................21
Using the Sleep Function (Optional)......................................................22
Using the Simple Timer Function (Optional)..........................................22
Using the Energy Display Function (Optional).......................................23
Using the Light Off Function (Optional).................................................23
Using the Comfort Air Function (Optional).............................................23
Using the Energy Saving Function (Optional).......................................24
Using the Energy Control Function (Optional).......................................24
Using Special Functions........................................................................25
SMART FUNCTIONS.......................................................... 28
Using LG SmartThinQ Application.........................................................28
MAINTENANCE................................................................... 31
Clean the Air Filter.................................................................................33
Clean the 3M and Triple Filter (Optional)...............................................34
TROUBLESHOOTING........................................................ 35
SAFETY INSTRUCTIONS
EN
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
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.
3
EN
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:
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.
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.
4
EN
•Do
• not install the air conditioner in a place where flammable
liquids or gases such as gasoline, propane, paint thinner, etc., are
stored.
•Make
•
sure that the pipe and the power cable connecting the
indoor and outdoor units are not pulled too tight when installing
the air conditioner.
•Use
•
standard circuit breaker and fuse that conform to the rating of
the air conditioner.
•Do
• not input air or gas into the system except with the specific
refrigerant.
•Use
•
non-flammable gas (nitrogen) to check for leak and to purge
air; using compressed air or flammable gas may cause fire or
explosion.
•The
•
indoor/outdoor wiring connections must be secured tightly,
and the cable should be routed properly so that there is no force
pulling the cable from the connection terminals. Improper or loose
connections can cause heat generation or fire.
•Install
•
dedicated electric outlet and circuit breaker before using the
air conditioner.
•Do
• not connect the ground wire to a gas pipe, a lightning rod, or a
telephone ground wire.
•Keep
•
any required ventilation openings clear of obstruction.
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.
5
EN
•Cut
•
off the power supply if there is any noise, smell, or smoke
coming from the air conditioner.
•Do
• not leave flammable substances such as gasoline, benzene, or
thinner near the air conditioner.
•Contact
•
an authorized service center when the air conditioner is
submerged by flood waters.
•Do
• not use the air conditioner for an extended period of time in a
small place without proper ventilation.
•In
• the event of a gas leak (such as Freon, propane gas, LP gas,
etc.) ventilate sufficiently before using the air conditioner again.
•To
• clean the interior, contact an authorized service center or
dealer. Using harsh detergents may cause corrosion or damage to
the unit.
•Be
• sure to ventilate sufficiently when the air conditioner and a
heating appliance such as a heater are used simultaneously.
•Do
• not block the inlet or outlet of air flow.
•Do
• not insert hands or other objects through the air inlet or outlet
while the air conditioner is operating.
•Make
•
sure that the power cable is neither dirty, loose, nor broken.
•Never
•
touch, operate, or repair the air conditioner with wet hands.
•Do
• not place any objects on the power cable.
•Do
• not place a heater or other heating appliances near the power
cable.
•Do
• not modify or extend the power cable. Scratches or peeling
insulation on the power cables may result in fire or electric shock,
and should be replaced.
•Cut
•
off the power supply immediately in the event of a blackout or
a thunderstorm.
6
EN
•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.
•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
•
information contained in the manual is intended for use by a
qualified service technician who is familiar with the safety
procedures and equipped with the proper tools and test
instruments.
•Failure
•
to read and follow all instructions in this manual can result
in equipment malfunction, property damage, personal injury and/or
death.
7
EN
•The
•
appliance shall be installed in accordance with national wiring
regulations.
•When
•
the power cord is to be replaced, the replacement work
shall be performed by authorized personnel using only genuine
replacement parts.
•This
•
appliance must be properly grounded to minimize risk of
electric shock.
•Do
• not cut or remove the grounding prong from the power plug.
•Attaching
•
the earth wire to the power outlet cover screw does not
ground the appliance unless the cover screw is metal, uninsulated,
and the power outlet is grounded through house wiring.
•If
• you have any doubt whether the air conditioner is properly
grounded, have the power outlet and circuit checked by a qualified
electrician.
•The
•
refrigerant and insulation blowing gas used in the appliance
require special disposal procedures. Consult a service agent or a
similarly qualified person before disposing of them.
•If
• the supply cord is damaged, it must be replaced by the
manufacturer or its service agents or similarly qualified person in
order to avoid a hazard.
•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.
8
EN
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 conflict with the
neighbors.
Operation
•Remove
•
the batteries if the remote control is not to be used for an
extended period of time.
9
EN
•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.
10
OPERATION
EN
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
1 Air Filter
1 Air Intake Vents
2 Air Intake
2 Air Outlet Vents
3 Front Cover
4 Air Outlet
5 Air Deflector (Horizontal Vane)
6 Air Deflector (Vertical Louver)
7 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.
11
EN
Wireless Remote Control
Operating Method
Inserting Batteries
Point the remote control towards the signal
receiver at the right side of the air conditioner to
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.
1
Remove the battery cover.
NOTE
2
Insert the new batteries and make sure that
the + and - terminals of the batteries are
installed correctly.
••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
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 firmly
with a screwdriver.
12
Flow Direction ( SWING ), Energy Display (kW [3 s]),
Air Purification function ( ).
EN
Setting the Current Time
1
Insert batteries.
••The icon below blinks at the bottom of the
display screen.
2
Press
or
minutes.
3
Press SET/CANCEL button to finish.
button to select the
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 (Type2) or horizontal
vane (Type1).
2
Press the ON/OFF button.
Type1
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
••Press and hold
SWING
℃↔℉ [5 s]
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
13
EN
Using Wireless Remote Control
You can operate the air conditioner more conveniently with the remote control.
Button
-
2
*
Description
To turn on/off the air conditioner.
To adjust the desired room
temperature in cooling, heating or auto
changeover mode.
*
To select the cooling mode.
FAN
SPEED
MODE
Display
Screen
To select the heating mode.
TEMP
*
MODE
JET
MODE
SWING
℃↔℉ [5 s]
FUNC.
TIMER
SWING
SET UP
ROOM
TEMP
To select the auto changeover/auto
operation mode.
DIAGNOSIS [5 s]
SET
CANCEL
CANCEL
RESET
To select the dehumidification mode.
To select the fan mode.
1
kW [3 s]
JET
MODE
To change room temperature quickly.
FAN
SPEED
To adjust the fan speed.
SWING
SWING
To adjust the air flow direction
vertically or horizontally.
NOTE
••* buttons may be changed according to the type of model.
14
EN
Button
2
TIMER
SET/
CANCEL
CANCEL
*
*
*LIGHT
OFF
ROOM
TEMP
FAN
SPEED
MODE
TEMP
*
JET
MODE
1
kW [3 s]
SWING
℃↔℉ [5 s]
FUNC.
TIMER
SWING
SET UP
ROOM
TEMP
DIAGNOSIS [5 s]
SET
CANCEL
CANCEL
-
To turn on/off air conditioner
automatically at desired time.
To set/cancel the special functions and
timer.
To cancel the timer settings.
-
To adjust time.
-
To set the brightness of the display on
the indoor unit.
To display the room temperature.
To change unit between °C and °F
*ENERGY
SAVING
*COMFORT
AIR
*ENERGY
CTRL
*COMFORT
SLEEP
DIAGNOSIS
[5 s]
Description
-
°C↔°F [5 s]
kW [3 s]
RESET
Display
Screen
To minimize power consumption.
To adjust the air flow to deflect wind.
-
To set whether or not to display
information regarding energy.
To bring the effect of the power saving.
-
To make a comfortable sleeping
environment.
To conveniently check maintenance
information of a product.
15
EN
Button
Display
Screen
Description
To purify the air by removing particles
that enters the indoor unit.
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.
FUNC.
FAN
SPEED
MODE
TEMP
*
JET
MODE
SWING
℃↔℉ [5 s]
FUNC.
TIMER
To scare away a mosquito.
1
kW [3 s]
SWING
SET UP
ROOM
TEMP
DIAGNOSIS [5 s]
SET
CANCEL
CANCEL
RESET
-
To remove moisture generated inside
the indoor unit.
To make a comfortable sleeping
environment.
To initialize the remote control settings.
NOTE
RESET
16
••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.
EN
Restarting the Air Conditioner
Automatically
When the air conditioner is turned on again
after a power failure, this function restores the
previous settings.
Using the Mode Function
This function allows you to select the desired
function.
Cooling Only Model
Cooling Mode
Disabling Auto Restart
1
Open the front cover (Type2) or horizontal
vane (Type1).
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.
Auto Operation(AI) Mode
Dehumidification Mode
Fan Mode
Cooling & Heating Model
Type1
Cooling Mode
Auto Changeover Mode
ON/OFF
Dehumidification Mode
Type2
Heating Mode
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.
Fan Mode
Cooling Mode
1
Turn the appliance on.
2
Press MODE button repeatedly to select the
Cooling Mode.
••
3
is displayed on the display screen.
Press
or
temperature.
button to set the desired
17
EN
Heating Mode
Fan Mode
1
Turn the appliance on.
This mode only circulates the indoor air without
changing the room temperature.
2
Press MODE button repeatedly to select the
Heating Mode.
••
3
is displayed on the display screen.
Press
or
temperature.
•• will be displayed on the indoor unit when
defrosting is operating.
••Furthermore, this indication will be displayed
on the indoor unit:
−−When preheating is operating.
−−When the room temperature has been
reached to the set temperature.
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.
1
Turn the appliance on.
2
Press MODE button repeatedly to select the
Dehumidification 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.
18
Turn the appliance on.
2
Press MODE button repeatedly to select the
Fan Mode.
••
button to set the desired
NOTE
••
1
3
is displayed on the display screen.
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.
••
3
4
is displayed on the display screen.
Press
or
temperature.
button to set the desired
Press FAN SPEED button to adjust the fan
speed.
EN
Auto Operation (Artificial
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.
••
3
is displayed on the display screen.
Press
or
button to select the desired
operation code if the temperature is higher
or lower than the desired temperature.
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
Dehumidification Mode.
••Cooling Only model : The Jet Mode function is
available with Cooling, Dehumidification, Fan,
Auto Operation Mode and Air Purification
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
Code
2
1
0
-1
-2
Description
Cold
A little cold
Maintain room temperature
A little hot
Hot
NOTE
••In this mode, you cannot adjust the fan speed,
but you can set the air deflector to rotate
automatically.
••Jet Heating Mode is not available on some
models.
••In Jet Cooling Mode, strong air blows out for
30 minutes.
••After 30 minutes later, setting temperature is
maintaining 18 °C
If you want to change the temperature, Press
or
button to set the desired
temperature.
••In Jet Heating Mode, strong air blows out for
30 minutes.
••After 30 minutes later, setting temperature is
maintaining 30 °C
If you want to change the temperature, Press
or
button to set the desired
temperature.
••This function may operate differently from the
remote control display.
19
EN
Using the Fan Speed
Function
Using the Air Flow Direction
Function
Adjusting the Fan Speed
This function adjusts the direction of the air flow
vertically (horizontally).
••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 Wind 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.
20
••Press SWING ( SWING ) button repeatedly and select
the desired direction.
−−Select
(
) to adjust the direction of the
air flow automatically.
NOTE
••Adjusting the air flow direction horizontally
may not be supported, depending on the
model.
••Adjusting the air deflector arbitrarily may
cause product failure.
••If you restart the air conditioner, it starts to
operate with the previously set direction of air
flow, so the air deflector may not match the
icon displayed on the remote control. When
this occurs, press SWING or SWING button to
adjust the direction of the air flow again.
••This function may operate differently from the
remote control display.
EN
Setting the On/Off Timer
Setting the Off Timer
This function sets the air conditioner to turn on/
off automatically at desired time.
1
Press TIMER button repeatedly.
••The icon below blinks at the bottom of the
display screen.
2
Press
or
minutes.
3
Press SET/CANCEL button to finish.
Setting the On Timer
1
Press TIMER button repeatedly.
••The icon below blinks at the bottom of the
display screen.
2
Press
or
minutes.
3
Press SET/CANCEL button to finish.
button to select the
••After setting the timer, current time and
icon are displayed on the display
screen indicating that the desired time is
set.
button to select the
••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
Canceling the On Timer
1
2
1
Press TIMER button repeatedly.
••The icon below blinks at the bottom of the
display screen.
2
Press SET/CANCEL button to cancel the
setting.
Press TIMER button repeatedly.
••The icon below blinks at the bottom of the
display screen.
Press SET/CANCEL button to cancel the
setting.
Canceling the Timer Setting
••Press
CANCEL
button to cancel all timer settings.
21
EN
Using the Sleep Function
(Optional)
Using the Simple Timer
Function (Optional)
This function turns off the air conditioner
automatically when you go to sleep.
This function turns off the air conditioner
automatically when you go to sleep.
1
Turn the appliance on.
1
Turn the appliance on.
2
Press TIMER button repeatedly.
••The icon below blinks at the bottom of the
display screen.
2
Press TIMER 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).
3
Press
or
button to select the hour
(up to 7 hours).
4
Press SET/CANCEL button to finish.
4
Press SET/CANCEL button to finish.
••
is displayed on the display screen.
••
is displayed on the display screen.
NOTE
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 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.
••This function is disabled when you set Off
Timer.
22
EN
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
Display the Current Energy Usage
1
2
NOTE
Turn the appliance on.
••Turn on/off the Display screen.
Press kW [3 s] button and hold it about 3
seconds.
Using the Comfort Air
Function (Optional)
••The instantaneous power consumption (
kW
or
kWh) is displayed for a while on
some indoor units.
Comfort Vane Operation
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.
Display the Cumulative Energy
Usage (Optional)
1
2
Turn the appliance on.
Press kW [3 s] button and hold it about 3
seconds twice.
••The cumulative power consumption (
is displayed for a while on some indoor
units.
You can set the brightness of the indoor unit
display screen.
••Press LIGHT OFF button.
kW
kWh
)
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(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.
1
Turn the appliance on.
2
Press COMFORT AIR button repeatedly
and select the desired direction.
••
or
screen.
is displayed on the display
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 button.
••When this function is off, the horizontal vane
operates automatically depending on the set
mode.
℃↔℉ [5 s]
23
EN
Using the Energy Saving
Function (Optional)
Using the Energy Control
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 desired
temperature is below 22 °C The temperature
remains constant if it is above 22 °C
1
Turn the appliance on.
2
Press ENERGY CTRL button.
••Press ENERGY CTRL button repeatedly
to select each step.
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.
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
EN
Using Special Functions
1
Turn the appliance on.
2
Press FUNC button repeatedly to select the
desired function.
3
Press SET/CANCEL button to finish.
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 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.
25
EN
Canceling Special Functions
Using the Silent Function
1
This function prevents potential claims by
neighbors, reducing noise from outdoor units.
Press FUNC button repeatedly to select the
desired function.
is displayed on the display screen.
••
2
Press SET/CANCEL button to cancel the
function.
Using the Air Purification
Function
These functions supply clean and fresh air by
ion particles and the filter.
Function
Ionizer
Plasma
Display
Description
Ion particles
from Ionizer
sterilize the
aerial bacteria
and other
harmful
substances.
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.
26
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 Purification function.
Using the Jet Dry Function
This function maximizes the performance of
dehumidification.
••
,
are displayed on the display screen.
NOTE
••This function is available with Cooling,
Dehumidification, Auto Operation, Fan Mode
and Air Purification function.
••This function is not available with Sleep
function.
••This function is disabled when you press
MODE button.
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.
••
,
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 SWING button cannot be
used while the LH function is in operation.
Using the Mosquito Away
Function
This function fans away mosquitos by
generating a high-frequency wave.
••
is displayed on the display screen.
is displayed on the display screen.
••
NOTE
••Some functions cannot be used while the Auto
Clean function is in operation.
••If you turn off the unit, the fan continues to run
for 30 minutes and cleans the inside of the
indoor unit.
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 airflow
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.
NOTE
••You can use this function without turning the
air conditioner on.
••
is displayed on some indoor units.
27
SMART FUNCTIONS
Using LG SmartThinQ
Application
Things to check before using LG
SmartThinQ
••For appliances with the
logo
1
Check the distance between the appliance
and the wireless router (Wi-Fi network).
••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.
2
Turn off the Mobile data or Cellular Data
on your smartphone.
••For iPhones, turn data off by going to
Settings → Cellular → Cellular Data.
3
Connect your smartphone to the wireless
router.
28
EN
NOTE
••To verify the Wi-Fi connection, check that
Wi-Fi
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.
••LG SmartThinQ is not responsible for any
network connection problems or any faults,
malfunctions, or errors caused by network
connection.
••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
extender) to improve the Wi-Fi signal strength.
••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.
••The appliance cannot be registered due to
problems with the wireless signal
transmission. Unplug the appliance and wait
about a minute before trying again.
••If the firewall on your wireless router is
enabled, disable the firewall or add an
exception to it.
••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.
••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.
EN
Installing LG SmartThinQ
Search for the LG SmartThinQ application from
the Google Play Store or Apple App Store on a
smart phone. Follow instructions to download
and install the application.
NOTE
••If you choose the simple login to access the
LG SmartThinQ application, you must go
through the appliance registration process
each time you change your smartphone or
reinstall the application.
Product Registration
1
Run the LG SmartThinQ application on a
smart phone.
2
Create an account and sign in.
3
Select Register.
4
Select Air conditioner.
5
Follow the instruction on the smart phone.
Wi-Fi Function
••For appliances with the
logo
Communicate with the appliance from a smart
phone using the convenient smart features.
Using the Application
1
Select the appliance in the application and
connect it to a Wi-Fi network.
2
Select the menu on the upper right side to
access settings and features.
Firmware Update
Keep the appliance performance updated.
Smart Diagnosis™
If you use the Smart Diagnosis function, you will
be provided with the useful information such as
a correct way of using the appliance based on
the pattern of use.
Settings
Allows you to set various options on the
appliance and in the application.
NOTE
••If you change your wireless router, your
Internet service provider or your password
after registering the appliance, please delete it
from the LG SmartThinQ Settings → Edit
Product and register again.
••The application is subject to change for
appliance improvement purposes without
notice to users.
••Functions may vary by model.
29
EN
RF Radiation Exposure Statement
••This equipment shall be installed and used at
a minimum distance of 20 cm from the human
body.
Wireless LAN Module Specifications
Model
Frequency
Range
Output
Power(Max)
LCW-003
2412 to 2472 MHz
IEEE 802.11b:18.37 dBm
IEEE 802.11g:17.67 dBm
IEEE 802.11n:17.67 dBm
Open Source Software Notice
Information
To obtain the source code under GPL, LGPL,
MPL, and other open source licenses, that is
contained in this product, please visit http://
opensource.lge.com.
In addition to the source code, all referred
license terms, warranty disclaimers and
copyright notices are available for download.
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 opensource@lge.com. This
offer is valid for three (3) years from the date on
which you purchased the product.
30
Smart Diagnosis™ Using a Smart
Phone
••For appliances with the
or
logo
Use this function if you need an accurate
diagnosis by an LG Electronics customer
information centre when the appliance
malfunctions or fails.
Smart Diagnosis™ can not be activated unless
the appliance is connected to power. If the
appliance is unable to turn on, then
troubleshooting must be done without using
Smart Diagnosis™.
1
Open the LG SmartThinQ application on
the smart phone.
2
Select the air conditioner in dashboard.
3
Press Start Smart Diagnosis button.
4
Follow the instructions on the smart phone.
NOTE
••The Smart Diagnosis™ function depends on
the local call quality.
••If the Smart Diagnosis™ data transfer is poor
due to poor call quality, you may not receive
the best Smart Diagnosis™ service.
••Be sure to keep ambient noise to a minimum
or the phone may not correctly receive the
buzzer beeps from the indoor unit.
MAINTENANCE
EN
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.
31
EN
Type
Air filter
Triple filter
3M filter
Ionizer (Optional)
Indoor unit
Outdoor unit
Description
Clean with a vacuum or hand wash.
Clean with a vaccum or brush.
Clean with a vaccum or brush.
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.
Have a professional clean the heat exchanger coils and
the panel vents. (Consult with technician.)
Have a professional clean the fan.
Have a professional clean the condensate drain pan.
Have a professional verify that all the fan assembly is
firmly tightened.
Clean the electric components with air.
Interval
2 weeks
Every 3 months
Every 6 months
Every 6 months
Regularly
Once a year
Every 4 months
Once a year
Once a year
Once a year
Once a year
Once a year
Once a year
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 3M 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).
32
EN
Clean the Air Filter
7
Push down hooks to assemble the air filter.
8
Check the side of the front cover for correct
assembly of the air filter.
Clean the air filters once every 2 weeks, or
more, if necessary.
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.
Type1
If you look at the indoor unit from above it, can
assemble the top filter easily.
1
Turn off the power to the unit.
2
Hold the knobs of the air filter, lift it up
slightly.
3
4
Type2
1
Turn off the power to the unit.
2
Open the front cover.
••Lift up both sides of the cover slightly.
3
Hold the knobs of the air filters, pull them
down slightly and remove them from the
indoor unit.
4
Clean the filters with a vacuum cleaner or
with lukewarm water with neutral detergent.
5
Dry the filters in the shade.
6
Insert the hooks of the air filters into the
front cover.
7
Check the side of the front cover for correct
assembly of the air filters.
Remove it from the indoor unit.
Clean the filter with a vacuum cleaner or
with lukewarm water with neutral detergent.
5
Dry the filter in the shade.
6
Insert the hooks of the air filter into the front
cover.
33
EN
Clean the 3M and Triple Filter
(Optional)
1
Turn off the power to the unit.
2
Remove the air filters from the indoor unit.
3
Remove the 3M and Triple filter from the
indoor unit.
5
Insert the 3M and Triple filter.
Type1
Type2
Type1
Type2
6
Assemble the air filters.
7
Check the side of the front cover for correct
assembly of the air filters.
NOTE
4
34
••The feature and location of 3M and Triple filter
may vary according to the type of model.
Clean the filter with a vacuum cleaner.
TROUBLESHOOTING
EN
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
The air conditioner
does not work
normally.
Possible Causes
Burning smell and strange
sounds are coming from the
unit.
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 is
unplugged.
A fuse exploded, or the power
supply is blocked.
A power failure has occurred.
The air conditioner
does not work.
Corrective Action
••Turn off the air conditioner, switch
OFF, or disconnect the power supply,
and contact the service center.
••Check whether the power cord is
plugged into the outlet or the power
isolators are switched on.
••Replace the fuse or check if the circuit
breaker has tripped.
••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.
••Check if the circuit breaker has
tripped.
The voltage is too high or too
low.
The air conditioner was turned
off automatically at a preset
••Turn the air conditioner on.
time.
••Make sure that the batteries are
inserted correctly in your remote
controller.
The battery setting in the
the batteries are placed correctly,
remote controller is incorrect. ••If
but the air conditioner still does not
operate, replace the batteries and try
again.
35
EN
Problem
Possible Causes
Air is not circulating properly.
The air filter is dirty.
The room temperature is too
high.
The air conditioner
does not emit cool
air.
Cold air is escaping from the
room.
The desired temperature is
higher than the current
temperature.
There is a heating source
nearby.
Fan Mode is selected.
Outside temperature is too
high.
The fan speed
cannot be adjusted.
The Jet Mode, or Auto
Operation Mode is selected.
The temperature
cannot be adjusted.
The Fan Mode or Jet Mode is
selected.
The air conditioner
stops during
operation.
36
The air conditioner is
suddenly turned off.
A power failure has occurred
during operation.
Corrective Action
••Make sure that there are no curtains,
blinds, or pieces of furniture blocking
the front of the air conditioner.
••Clean the air filter once every 2
weeks.
••See “Clean the Air Filter” for more
information.
••In summer, cooling the indoor air fully
may take some time. In this case,
select the Jet Mode to cool the indoor
air quickly.
••Make sure that no cold air is escaping
through the ventilation points in the
room.
••Set the desired temperature to a level
lower than the current temperature.
••Avoid using heat generators like
electric ovens or gas burners while
the air conditioner is in operation.
••During Fan Mode, air blows from the
air conditioner without cooling or
heating the indoor air.
••Switch the operation mode to cooling
operation.
••The cooling effect may not be
sufficient.
••In some operation modes, you cannot
adjust the fan speed. Select an
operation mode in which you can
adjust the fan speed.
••In some operation modes, you cannot
adjust the temperature. Select an
operation mode in which you can
adjust the temperature.
••The Timer Function may have timed
out, which turns the unit off. Check
the timer settings.
••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.
EN
Problem
Possible Causes
The indoor unit is
still operating even
when the unit has
been turned off.
The Auto Clean function is
being operated.
The air outlet on the
indoor unit is
discharging mist.
The cooled air from the air
conditioner makes mist.
Corrective Action
••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.
••When the room temperature
decreases, this phenomenon will
disappear.
••This symptom requires installing a
drain hose under the base pan.
Contact the installer.
the heating operations,
Water leaks from the In
condensed water drops from
outdoor unit.
the heat exchanger.
A clicking sound can be heard
when the unit starts or stops
due to movement of the
reversing valve.
Creaking sound: The plastic
There is noise or
parts of the indoor unit creak
••These are normal symptoms. The
vibration.
when they shrink or expand
noise will stop.
due to sudden temperature
changes.
Flowing or Blowing sound:
This is the flow of refrigerant
through the air conditioner.
Odors (such as cigarette
••If the smell does not disappear, you
The indoor unit
smoke) may be absorbed into
need to wash the filter. If this does not
gives off an odor.
the indoor unit and discharged work, contact the service center to
with airflow.
clean your heat exchanger.
When Heating Mode starts, the ••This symptom is normal. Please wait
vane is almost closed, and no
until the unit has generated enough
air comes out, even though
warm air to blow through the indoor
the outdoor unit is operating.
unit.
••In Heating Mode, ice/frost is built up
The air conditioner
on the coils when the outside
does not emit warm The outdoor unit is in
temperature falls. This function
air.
Defrosting Mode.
removes a layer of frost on the coil,
and it should finish in approximately
15 minutes.
Outside temperature is too
••The heating effect may not be
low.
sufficient.
37
EN
Problem
Possible Causes
Corrective Action
••Find the Wi-Fi network connected to
your smartphone and remove it, then
register your appliance on LG
SmartThinQ.
•
•
Turn off the Mobile data of your
Mobile data for your
smartphone and register the appliance
smartphone is turned on.
using the Wi-Fi network.
••The wireless network name (SSID)
The wireless network name
should be a combination of English
(SSID) is set incorrectly.
letters and numbers. (Do not use
Your home appliance
special characters.)
and smartphone is
••Only a 2.4 GHz router frequency is
not connected to the
supported. Set the wireless router to
Wi-Fi network.
GHz and connect the appliance to
The router frequency is not 2.4 2.4
the wireless router. To check the
GHz.
router frequency, check with your
Internet service provider or the router
manufacturer.
••If the distance between the appliance
and the router is too far, the signal
The distance between the
may be weak and the connection may
appliance and the router is too
not be configured correctly. Move the
far.
location of the router so that it is
closer to the appliance.
The password for the Wi-Fi
that you are trying to connect
to is incorrect.
NOTE
••Some functions may not be supported, depending on the model.
38
Memo
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