LG S18TQC Owner's manual

LG
Brand
LG
Model
S18TQC
Category
Mobile air conditioners
Type
Owner's manual

This manual is also suitable for

LG S18TQC is a high-quality air conditioner with a wide range of features to help you stay comfortable all year round. With its powerful cooling and heating capabilities, you can quickly and easily adjust the temperature of your room to your desired level. The LG S18TQC also features a number of energy-saving modes, so you can save money on your energy bills without sacrificing comfort. Additionally, the LG S18TQC is equipped with a number of advanced features, such as a self-cleaning function and a built-in air purifier, so you can enjoy clean, fresh air in your home.

LG S18TQC is a high-quality air conditioner with a wide range of features to help you stay comfortable all year round. With its powerful cooling and heating capabilities, you can quickly and easily adjust the temperature of your room to your desired level. The LG S18TQC also features a number of energy-saving modes, so you can save money on your energy bills without sacrificing comfort. Additionally, the LG S18TQC is equipped with a number of advanced features, such as a self-cleaning function and a built-in air purifier, so you can enjoy clean, fresh air in your home.

ENGENGLISH
ENG
AIR
OWNER’S MANUAL
CONDITIONER
www.lg.com
Please read this manual carefully before
operating your set and retain it for future reference.
TYPE : WALL MOUNTED
Rev : 01 (05T16)
*MFL69284014*
2
ENG
ENGLISH
TIPS FOR SAVING ENERGY
ENG
Here are some tips that will help you to minimize the power consumption when you use the air conditioner.
You can use your air conditioner more efficiently by referring to the instructions below :
For your records
Staple your receipt to this page in case you need it to prove the date of purchase or for warranty
purposes. Write the model number and the serial number here:
Model number :
Serial number :
You can find them on a label on the side of each unit.
Dealer’s name :
Date of purchase :

electricity.





is used for many hours.


TIPS FOR SAVING ENERGY
3
ENGENGLISH
IMPORTANT SAFETY INSTRUCTIONS
-
mance of you product.










or instruction concerning use of the appliance by a person responsible for theirs safety.


personnel only genuine replacement parts.















READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.
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IMPORTANT SAFETY INSTRUCTIONS
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IMPORTANT SAFETY INSTRUCTIONS

window has been left open. Failure to do so may result in product failure.






product failure.












window before hurricane arrives.










do so may result in product failure.



OPERATION
5
ENGENGLISH
IMPORTANT SAFETY INSTRUCTIONS

Failure to do so may result in product failure.

result in product failure.


inconvenience the neighbors. Failure to do so may result in conflict between neighbors.



result in product failure.



   








if necessary.






with used batteries. Failure to do so may result in product failure.





then consult a doctor. Failure to do so may result in serious health complications.
CAUTION
INSTALLATION
OPERATION
!
6
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ENGLISH
CONTENTS
CONTENTS
2 TIPS FOR SAVING ENERGY
3 IMPORTANT SAFETY INSTRUCTIONS
7 BEFORE USE
7 COMPONENTS
7 - INDOOR UNIT TYPE 1
7 - INDOOR UNIT TYPE 2
8 - OUTDOOR UNIT
 
9 INSTALLING THE REMOTE CONTROL HOLDER
9 OPERATING METHOD
10 USING THE REMOTE CONTROL
10 WIRELESS REMOTE CONTROL
11 BASIC FUNCTIONS
11 COOLING YOUR ROOM (COOLING
OPERATION)
11 REMOVING HUMIDITY (DEHUMIDIFYING
OPERATION)
11 AIRING YOUR ROOM (AIR CIRCULATION
OPERATION)
11 ADjUSTING THE FAN SPEED
12 ADjUSTING THE AIR FLOW DIRECTION
12 SETTING THE TIMER
12 - SETTING THE CURRENT TIME
12 - TURNING ON THE AIR CONDITIONER
AUTOMATICALLY AT A SET TIME
12 - TURNING OFF THE AIR CONDITIONER
AUTOMATICALLY AT A SET TIME
13 - CANCELING THE TIMER SETTING
13 SETTING SLEEP MODE
13 ADVANCED FUNCTIONS
 
(jET COOL)
14 INDOOR AIR PURIFICATION (AUTO CLEAN
OPERATION)
14 AUTO OPERATION (ARTIFICIAL
INTELLIGENCE)
 
15 ENERGY SAVING COOLING MODE
 
16 OPERATING THE AIR CONDITIONER
WITHOUT THE REMOTE CONTROL
16 RESTARTING THE AIR CONDITIONER
AUTOMATICALLY
 
17 MAINTENANCE
18 CLEANING THE AIR FILTER
18 CLEANING 3M FILTER (OPTIONAL)
19 TROUBLESHOOTING
19 SELF-DIAGNOSIS FUNCTION
 
21 SPECIFICATION
7
ENGENGLISH

INDOOR UNIT
TYPE 1
*The feature can be changed according a type of model.
*The feature can be changed according a type of model.
COMPONENTS
BEFORE USE
INDOOR UNIT
TYPE 2
Air inlet
Air filter
Front cover
Air outlet
Vertical louver
Horizontal vane
LED display
Signal receiver

3M filter (Optional)

air conditioner.
NOTE
!
Air Inlet
Air filter
Front cover
3M filter (Optional)
Air outlet
Vertical louver
Horizontal vane
Operation lamp
Signal Receiver

3M filter (Optional)
Ionizer(Optional)
8
ENG
ENGLISH

OUTDOOR UNIT
*The feature can be changed according a type of model.
Connecting wires
Drain hose
Piping

Air inlet
Air outlet
9
ENGENGLISH

INSERTING BATTERIES
INSTALLING THE REMOTE CONTROL
HOLDER
Insert batteries before using the remote control.
The battery type used is AAA (1.5 V).
1. Remove the battery cover.
Install the holder where there is no direct sun-
light to protect the remote control.
1. Choose a safe and easily-accessible place.

(+) and (-) terminals of the batteries are installed
correctly.
3. Reattach the battery cover.
  

NOTE

with a screwdriver.
3. Slide the remote control into the holder.
Point the remote control towards the signal receiver
at the bottom of the air conditioner to operate it.


point the remote control towards the signal
receiver of the air conditioner.

the signal transmitter and receiver.
OPERATING METHOD
NOTE
!
!
*The feature can be changed according a type
of model.
10
ENG
ENGLISH
USING THE REMOTE CONTROL
WIRELESS REMOTE CONTROL
You can operate the air conditioner more conveniently with the remote control.
USING THE REMOTE CONTROL
Control
panel
Display
screen
Description
Air circulation button : Used to circulate the
room air without cooling.
Energy saving button : Operates energy saving
cooling.
Auto clean button : Remove moisture and clean
inside of the indoor unit when turn off the power.
- On/Off button : 
Temperature adjustment buttons :
room temperature when cooling.
Operation mode selection button : Select the
operation mode.

Dehumidifying operation ( )
Indoor fan speed button :
Jet cool button : Cools down the indoor temperature
within a short period of time.
Air flow direction button : 
direction vertically or horizontally.
Temperature display button : Displays the room
temperature.
Sleep mode auto button : Sets the sleep mode
auto operation.
Timer button : 
-
Light button :  
indoor unit display.
-
Set/clear button : Sets or cancels functions.
Also set the current time if held for 3 seconds.
-
Reset button : Reset the remote control setting.
Display
screen
Control
panel
C
hr
11
ENGENGLISH

BASIC FUNCTIONS
1. Press to turn on the power.
2. Press repeatedly to select the cooling
operation.
- is displayed on the display screen.
3. Press or to set the desired
temperature.
- The temperature range is 18 °C (64 °F) - 30
°C (86 °F).
COOLING YOUR ROOM
(COOLING OPERATION)
-


room temperature and the fan speed automatically
to maintain the optimal level of humidity.
1. Press to turn on the power.
2. Press repeatedly to select the dehumidify-
ing operation.
- is displayed on the display screen.
REMOVING HUMIDITY
(DEHUMIDIFYING OPERATION)
NOTE
-
      
the room temperature is not displayed on the
display screen.
!

1. Press to turn on the power.
2. Press turn on the air cuiculation opera-
tion.
- is displayed on the display screen.
AIRING YOUR ROOM (AIR
CIRCULATION OPERATION)

ADJUSTING THE FAN SPEED
Remark Speed
High
Medium
Low
Natural wind
12
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ENGLISH
USING THE REMOTE CONTROL
NOTE

   
the remote control to the indoor unit.
   
remote control.

or heat. If the infrared signal receiver on the indoor

may not function properly. use curtains to prevent
sunlight from receiving the receiver.

using the air-condition has fluorescent lighting
with electronic starters. if you are planning on



with local dealer.
!
1. Press and hold it for longer than 3
seconds.

display screen.
2. Press or to select the minutes.
3. Press to finish.
You can use the timer function to save energy and
to use the air conditioner more efficiently.
SETTING THE TIMER
SETTING THE CURRENT TIME
    -

automatically.
-

automatically.
ADJUSTING THE AIR FLOW DIRECTION
NOTE
 


product failure.

operate with the previously set direction of air

displayed on the remote control. When this oc-

of the air flow again.
!
1. Press

display screen.
2. Press or to select the minutes.
3. Press to finish.

icon are displayed on the display screen indicat-
ing that the desired time is set.
TURNING OFF THE AIR CONDITIONER
AUTOMATICALLY AT A SET TIME
1. Press

display screen.
TURNING ON THE AIR CONDITIONER
AUTOMATICALLY AT A SET TIME
2. Press or to select the minutes.
3. Press to finish.

icon are displayed on the display screen indicat-
ing that the desired time is set.
13
ENGENGLISH
ADVANCED FUNCTIONS
ADVANCED
FUNCTIONS
The air conditioner offers some additional advanced
functions.
1. Press or to select the timer setting
to cancel.
2. Press to cancel all timer setting.
CANCELING THE TIMER SETTING
Use the sleep mode to turn off the air conditioner
automatically when you go to sleep.
SETTING SLEEP MODE
1. Press to turn on the power.
2. Press
3. Press or to select the hour (Up to
7 hours).
4. Press to finish.
- is displayed on the display screen.
NOTE

temperature increases by 1 °C (2 °F) after 30
minutes and by a further 1 °C (2 °F) after another
30 minutes for a more comfortable sleep. The
temperature increases with up to 2 °C (4 °F)
from the preset temperature.
!
1. Press to turn on the power.
2. Press
- is displayed on the display screen.



depending on the model.
     
temperature of 18 °C (64 °F) for 30 minutes.
CHANGING ROOM TEMPERATURE
QUICKLY (JET COOL)
NOTE
!
14
ENG
ENGLISH
ADVANCED FUNCTIONS
-

temperature.
1. Press to turn on the power.
2. Press repeatedly to select auto operation.
3. Press or to select the desired
operation code if the temperature is higher or
lower than the desired temperature.
- is displayed on the display screen.
AUTO OPERATION
(ARTIFICIAL INTELLIGENCE)
NOTE

but you can set the air deflector to rotate au-
tomatically.

on the model.
!
Code Description
2 Cool
1 Cool slightly
0
Maintain
room
temperature
Heat slightly -1
-2 Heat

moisture is generated inside the indoor unit.
Use the auto cleaning function to remove such
moisture.
1. Press
- is displayed on the display screen.

30 minutes and clean the inside of the indoor
unit.
INDOOR AIR PURIFICATION
(AUTO CLEAN OPERATION)
Some buttons cannot be used while the auto
cleaning function is in operation.
NOTE
!
1. the unit converses from °C to °F or from °F

seconds.
°C/°F CONVERSION
15
ENGENGLISH
ADVANCED FUNCTIONS
This mode minimizes power consumption during
cooling and increases the set temperature to
the optimal level for a more comfortable
environment.
1. Press to turn on the power.
2. Press repeatedly to select the cooling
operation.
3. Press
- is displayed on the display screen.
ENERGY SAVING COOLING MODE
NOTE

on the model.

between remote controller and air conditioner
during operation.
!

display screen.

display screen.
DISPLAY SCREEN BRIGHTNESS
16
ENG
ENGLISH
ADVANCED FUNCTIONS
OPERATING THE AIR CONDITIONER
WITHOUT THE REMOTE CONTROL
RESTARTING THE AIR CONDITIONER
AUTOMATICALLY
DISABLING AUTO RESTART

to operation the air conditioner when the remote

set to high.
1. Open the front cover.
- Lift up both side of the cover slightly.
When the air conditioner is turned on again after

settings. This function is a factory default setting.
1. Open the front cover.
- Lift up both side of the cover slightly.
*The feature can be changed according a type
of model.

and hold it for 6 seconds. The unit will beep twice

*The feature can be changed according a type
of model.

*The feature can be changed according a type
of model.


NOTE



air for cooling for 18 minutes and then returns
to the factory default setting.
!
TYPE 1
TYPE 1
TYPE 2

button

button
*The feature can be changed according a type
of model.


twice 4 times.

to 22 °C (72 °F).
Room Temp. Set Temp.
Operation mode

(70 °F)
24 °C (76 °F) Heating opera-
tion
Above 21 °C
(70 °F) and
below 24 °C
(76 °F)
23 °C (74 °F) Dehumidifying
operation
Above 24 °C
(76 °F)
22 °C (72 °F) Cooling opera-
tion
TYPE 1
TYPE 1
TYPE 2

button

button
17
ENGENGLISH
MAINTENANCE
MAINTENANCE

* The feature can be changed according a type of model.
INDOOR UNIT TYPE 1 INDOOR UNIT TYPE 2
Air filter
3M filter (Optional)


-
tion or discoloration.

the product.

CAUTION


the coil may decrease the operational efficiency or increase energy costs.
NOTE
!
!
Item Cleaning interval Cleaning method
Air filter  See “Cleaning Air filter”
3M filter 1 month See “Cleaning 3M filter”
Indoor unit surface Regularly 
Outdoor unit Regularly

panel vents (consult with technician).
Air filter
3M filter(Optional)
3M filter(Optional)
18
ENG
ENGLISH
MAINTENANCE
CLEANING THE AIR FILTER

if necessary.
1. Turn off the power and unplug the power cord.
2. Open the front cover.
- Lift up both sides of the cover slightly.
* The feature can be changed according a type
of model.

and remove it from the unit.
* The feature can be changed according a type
of model.
4. Clean the filter with a vacuum cleaner or with
warm water.
 

5. Dry the filter in the shade.
NOTE

center or a dealer. Do not use harsh detergent that
causes corrosion or damage on the unit. Harsh


!
TYPE 1
TYPE 2
TYPE 1 TYPE 2
CLEANING 3M FILTER (OPTIONAL)
Clean the filter once every 1 months and change
the new filter once every 6 months.
1. Turn off the power and unplug the power cord.
2. Open the front cover and remove Air filter. (See
“Cleaning Air filter”).
3. Pull out 3M filter.
* The feature can be changed according a type
of model.
4. Use a vacuum cleaner to remove any dirt. Do not

to the filter.
NOTE

depend on the model.
!
TYPE 1,2
3M filter
3M filter
19
ENGENGLISH

TROUBLESHOOTING



local service center.
Problem Possible causes Corrective action
There is a burning smell and a
strange sound coming from the unit.
-

the power cord and contact the
service center.

even when the humidity level is low.
The power cord is damaged or


ground) or a fuse is not operated
properly.

The air conditioner is unplugged.

is plugged into the outlet.
A fuse is blown or the power



A power failure has occurred.
Turn off the air conditioner when
a power failure occurs. When the

and then on the air conditioner.
The voltage is too high or too low.

tripped.
The air conditioner turned off
automatically at a preset time.
Press the power button again.
SELF-DIAGNOSIS FUNCTION
BEFORE REQUESTING SERVICE
20
ENG
ENGLISH

Problem Possible causes Corrective action
The air conditioner does not
generate cool air.
Air is not circulating properly.
-

the front of the air conditioner.
The Air filter is dirty.
Clean the Air filter once every 2

for more information.
The room temperature is too high.

 


Cold air is escaping from the room.
   
escaping through ventilation
points in the room.
The desired temperature is higher
than the set temperature.
Set the desired temperature to
a level lower than the current
temperature.
There is a heating source nearby.
Avoid using a heat generator
such as an electric oven or a gas
burner while the air conditioner
is in operation.
Air circulation operation is selected.
  
air blows from the air conditioner
without cooling or heating the
indoor air. Switch the operation
mode to the cooling operation.

fan speed.

is selected.



Select an operation mode in which


temperature.
The air circulation operation or


-

temperature. Select an operation

temperature.
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LG S18TQC Owner's manual

LG
Brand
LG
Model
S18TQC
Category
Mobile air conditioners
Type
Owner's manual
This manual is also suitable for

LG S18TQC is a high-quality air conditioner with a wide range of features to help you stay comfortable all year round. With its powerful cooling and heating capabilities, you can quickly and easily adjust the temperature of your room to your desired level. The LG S18TQC also features a number of energy-saving modes, so you can save money on your energy bills without sacrificing comfort. Additionally, the LG S18TQC is equipped with a number of advanced features, such as a self-cleaning function and a built-in air purifier, so you can enjoy clean, fresh air in your home.

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