LG
LG Room
Air Conditioner
OWNER'S MANUAL
Prior to installation, this air-
conditioning unit must be
submitted for approval by the
utility service which provides
electricity (EN 61000-2,
MODELS: SU/SZ Chassis
EN 61000-3 Norm).
IMPORTANT
• Please read this owner's manual carefully and thoroughly
before installing and operating your room air conditioner.
• Please retain this owner's manual for future reference after
reading it thoroughly.
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Safety Precautions
Safety Precautions
To prevent the injury of the user or other people and property damage, the following instructions must be
followed.
■ Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified
by the following indications.
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to properties only.
■ The meanings of the symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
■ Installation
Always perform grounding.
Don’t use a power cord, a plug or a loose
socket which is damaged.
• Otherwise, it may cause electrical shock.
• Otherwise, it may cause a fire or electrical shock.
For installation of the product, always
contact the service center or a professional
installation agency.
Securely attach the electrical part cover to
the indoor unit and the service panel to the
outdoor unit.
• Otherwise, it may cause a fire, electrical shock,
explosion or injury.
• If the electrical part cover of the indoor unit and
the service panel of the outdoor unit are not
attached securely, it could result in a fire or
electric shock due to dust, water, etc.
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Safety Precautions
Always install an air leakage
breaker and a dedicated
switching board.
Do not keep or use
flammable gases or
combustibles near the air
conditioner.
Ensure that an installation
frame of the outdoor unit is
not damaged due to use for
a long time.
• No installation may cause a fire
and electrical shock.
• Otherwise, it may cause a fire
or the failure of product.
• It may cause injury or an
accident.
x
Thinner
Wa
Do not disassemble or
repair the product
randomly.
Do not install the product at
a place that ther is concern
of falling down.
Use caution when
unpacking and installing.
• It will cause a fire or electrical
shock.
• Otherwise, it may result in
personal injury.
• Sharp edges may cause injury.
■ Operation
Do not share the outlet with
other appliances.
Do not use the damaged
power cord.
Do not modify or extend the
power cord randomly.
• It will cause an electric shock or • Otherwise, it may cause a fire
• Otherwise, it may cause a fire
or electrical shock.
a fire due to heat generation.
or electrical shock.
Take care so that the power
cord may not be pulled
during operation.
Unplug the unit if strange
sounds, smell, or smoke
comes from it.
Keep the flames away.
• Otherwise, it may cause a fire
or electrical shock.
• Otherwise, it may cause
electrical shock or a fire.
• Otherwise, it may cause a fire.
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Safety Precautions
Take the power plug out if
necessary, holding the head
of the plug and do not touch
it with wet hands.
Do not use the power cord
near the heating tools.
Do not open the suction
inlet of the indoor/outdoor
unit during operation.
• Otherwise, it may cause a fire
or electrical shock.
• Otherwise, it may cause a fire
and electrical shock.
• Otherwise, it may electrical
shock and failure.
Do not allow water to run
into electrical parts.
Hold the plug by the head
when taking it out.
Never touch the metal parts
of the unit when removing
the filter.
• Otherwise, it may cause the
failure of machine or electrical
shock.
• It may cause electric shock and
damage.
• They are sharp and may cause
injury.
Ventilate the room well
when using this appliance
together with a stove, etc.
When cleaning the unit, first
make sure the power and
breaker are turned off.
Turn off the main power
switch when not using the
product for a long time.
• An oxygen shortage may occur. • Otherwise, it may cause
electrical shock.
• Otherwise, it may cause the
failure of product or a fire.
Do not step on the indoor/outdoor unit and
do not put anything on it.
Do not place a heavy object on the power
cord.
• It may cause an injury through dropping of the unit • Otherwise, it may cause a fire or electrical shock.
or falling down.
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Safety Precautions
When the product is submerged into water,
always contact the service center.
Take care so that children may not step on
the outdoor unit.
• Otherwise, it may cause a fire or electrical shock.
• Otherwise, children may be seriously injured due
to falling down.
■ Installation
Install the drain hose to ensure that drain
can be securely done.
Install the product so that the noise or hot
wind from the outdoor unit may not cause
any damage to the neighbors.
• Otherwise, it may cause water leakage.
• Otherwise, it may cause dispute with the
neighbors.
Always inspect gas leakage after the
installation and repair of product.
Keep level parallel in installing the product.
• Otherwise, it may cause the failure of product.
• Otherwise, it may cause vibration or water
leakage.
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Safety Precautions
■ Operation
Avoid excessive cooling
and perform ventilation
sometimes.
Use a soft cloth to clean. Do
not use wax, thinner, or a
strong detergent.
When gas leaks, open the
window for ventilation
before operating the unit.
• Otherwise, it may do harm to
your health.
• The appearance of the air
conditioner may deteriorate,
change color, or develop
surface flaws.
• Otherwise, it may cause
explosion, and a fire.
x
Thinner
Wa
Do not use an appliance for
special purposes such as
preserving animals
Do not place obstacles
around the flow inlet or
outlet.
Always insert the filter
securely. Clean it every two
weeks.
vegetables, precision
machine, or art articles.
• Otherwise, it may damage your
properties.
• Otherwise, it may cause the
failure of appliance or an
accident.
• Operation without the filter will
cause failure.
Do not insert the hands or bars through the
air inlet or outlet during operation.
Do not drink water coming out of the air
conditioner.
• Otherwise, it may cause personal injury.
• Otherwise, it may cause stomachache.
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Prior to Operation
Prior to Operation
Preparing for Operation
1. Contact an installation specialist for installation.
2. Plug in the power plug properly.
3. Use a dedicated circuit.
4. Do not use an extension cord.
5. Do not start/stop operation by plugging/unplugging the power cord.
6. If the cord/plug is damaged, replace it with only an authorized replacement part.
Usage
1. Being exposed to direct airflow for a long time may be hazardous to your health. Do not expose
occupants, pets, or plants to direct airflow for a long time.
2. Due to the possibility of oxygen deficiency, ventilate the room when using the appliance together with
stoves or other heating devices.
3. Do not use this air conditioner for non-specified special purpose (e.g. preserving precision devices,
food, pets, plants, or art objects). Such use may damage your properties.
Cleaning and Maintenance
1. Do not touch the metal parts of the unit when removing the filter. Injury can occur.
2. Do not use water to clean inside the air conditioner. Exposure to water can destroy the insulation,
leading to electric shock.
3. When cleaning the unit, first make sure that the power and breaker are turned off. The fan rotates at a
very high speed during operation. There is a possibility of injury if the unit’s power is triggered while
cleaning inner parts of the unit.
Service
For repair and maintenance, contact your authorized service dealer.
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Introduction
Introduction
Symbols used in this Manual
This symbol alerts you to the risk of electric shock.
This symbol alerts you to hazards that may cause harm to the
air conditioner.
This symbol indicates special notes.
NOTICE
Features
WARNING: This appliance should be installed in accordance with national wiring
regulations. This guide acts as a guide to help to explain product features.
Air Inlet
Indoor
NANO Plasma Filter
Air Filter
Air Discharge
Front Panel
Power Cord
Signal Receptor
Power button
Outdoor
Air Intake Vents
Connecting
Wires
Piping
Air Outlet Vents
Base Plate
Drain Hose
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Electrical Safety
Electrical Safety
WARNING: This appliance must be properly grounded.
To minimize the risk of electric shock, you must alway plug into a grounded oulet.
Preferred method
Ensure proper ground
exists before use
WARNING: Do not cut or remove the grounding prong from the
power plug.
WARNING: Attaching the adapter ground terminal to the wall
receptacle cover screw does not ground the appliance unless the
cover screw is metal and not insulated, and the wall receptacle is
grounded through the house wiring.
WARNING: If you have any doubt whether the air conditioner is
properly grounded, have the wall receptacle and circuit checked by
a qualified electrician.
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Electrical Safety
Temporary Use of an Adapter
We strongly discourage the use of an adapter due to potential safety hazards. For temporary
connections, use only a UL-listed adapter, available from most local hardware stores. Ensure that the
large slot in the adapter is aligned with the large slot in the receptacle for a proper polarity connection.
To disconnect the power cord from the adapter, use one hand on each to avoid damaging the ground
terminal. Avoid frequently unplugging the power cord as this can lead to eventual ground terminal
damage.
Temporary method
Adapter Plug
Metal Screw
Receptacle Cover
WARNING: Never use the appliance with a broken adapter.
Temporary Use of an Extension Cord
We strongly discourage the use of an extension cord due to potential safety hazards. For temporary
situations, use only CSA certified and UL listed 3-wire grounded extension cords, rated 15 A, 125 V.
Owner's Manual 11
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Operating Instructions
Operating Instructions
How to insert the Batteries
1. Remove the battery cover by pulling it according to the arrow
direction.
2. Insert new batteries making sure that the (+) and (-) of battery are
installed correctly.
3. Reattach the cover by sliding it back into position.
Use 2 AAA(1.5volt) batteries.
NOTICE
Do not use rechargeable batteries.
Storage and Tips for using the Remote Controller
• The remote controller may be stored by mounting
it on a wall.
• To operate the room air conditioner, aim the
remote controller at the signal receptor.
Signal receptor
Receives the signals from the remote controller.(Signal receiving sound: two short beeps or one long beep.)
Operation indicating lamps
On/Off
: Lights up during the system operation.
: Lights up during Sleep Mode Auto operation.
: Lights up during Timer operation.
Sleep Mode
Timer
Defrost Mode
: Lights up during Defrost Mode or Hot
Start operation (Heat pump model only)
: Lights up during outdoor unit operation.
(Cooling model only)
Outdoor Unit
Operation
Operation indicating
lamps
PLASMA
Nano Plasma : The function illustrates its dynamic mode by using a multiple lighting system.
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Operating Instructions
Remote Control Operations
The controls will look like the following.
1. START/STOP BUTTON
Operation starts when this button is pressed
and stops when the button is pressed again.
Controls
2. OPERATION MODE SELECTION BUTTON
Used to select the operation mode.
Signal transmitter
3. ROOM TEMPERATURE SETTING
BUTTONS
Used to select the room temperature.
4. INDOOR FAN SPEED SELECTOR
Used to select fan speed in four steps
low, medium, high and CHAOS.
5. JET COOL
Used to start or stop the speed cooling.(speed
cooling operates super high fan speed in
cooling mode.)
5
6
1
3
6. CHAOS SWING BUTTON
Used to stop or start louver movement and
set the desired up/down airflow direction.
7. ON/OFF TIMER BUTTONS
Used to set the time of starting and stopping
operation. (See page 22)
4
10
8. TIME SETTING BUTTONS
2
7
CANCEL
Used to adjust the time. (See page 22)
9
ON
OFF
SET
9. TIMER SET/CANCEL BUTTON
Used to set the timer when the desired time
is obtained and to cancel the Timer
operation. (See page 22)
AUTO CLEAN
12
11
8
17
18
14
13
10. SLEEP MODE AUTO BUTTON
Used to set Sleep Mode Auto operation.
(See page 22)
16
15
11. AIR CIRCULATION BUTTON
Used to circulate the room air without
cooling or heating. (See page 23)
12. ROOM TEMPERATURE CHECKING
BUTTON
Flip-up door
(opened)
Used to check the room temperature.
13. NANO PLASMA(OPTIONAL)
Used to start or stop the
Operation Mode
plasma-purification function. (See page 20)
Cooling Operation
14. HORIZONTAL AIRFLOW DIRECTION
CONTROL BUTTON (OPTIONAL)
Used to set the desired horizontal airflow
direction.
Auto Operation or Auto Changeover
Healthy Dehumidification Operation
15. RESET BUTTON
Used prior to resetting time.
16. 2nd F Button
Used prior to using modes printed in blue
at the bottom of buttons. (See page 21)
Heating Operation
17. AUTO CLEAN (OPTIONAL)
•
Cooling Model( ), Heat Pump Model(
)
Used to set Auto Clean mode.
18. LED LUMINOSITY (OPTIONAL)
Used to adjust LED luminosity.
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Operating Instructions
Cooling operation
Press the Start/Stop button.
The unit will respond with
a beep.
1
2
Open the door of the remote controller. To select Cooling
Operation, press the Operation Mode Selection button.
Each time the button is pressed, the operation mode is
shifted in the direction of the arrow.
Cooling
Auto
Healthy
Dehumidification
Heating
(Heat pump model only)
Close the door of the remote controller. Set the temperature
lower than the room temperature. The temperature can be
set within a range of 18°C~30°C at intervals of 1°C.
3
4
ON
To raise the temperature
To lower the temperature
Set the fan speed again with the door
of the remote controller still closed.
You can select the fan speed in four
steps-low, medium, high and CHAOS.
Each time the button is pressed, the
fan speed mode is shifted.
Natural wind by the CHAOS logic
■ For fresher feeling, press the Indoor fan speed selector and set to CHAOS mode. In this mode, the wind
blows like a natural breeze by automatically changing fan speed according to the CHAOS logic.
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Operating Instructions
Auto operation (Cooling model only)
Press the Start/Stop button.
The unit will respond with
a beep.
1
2
Open the door of the remote controller. To select Auto
Operation, press the operation mode selection button.
Each time the button is pressed, the operation mode is
shifted in the direction of the arrow.
Cooling
Auto
Healthy
Dehumidification
Heating
(Heat pump model only)
The temperature and fan speed are automatically set by the
electronic controls based on the actual room temperature. If
you want to change the set temperature, press the Room
Temperature Setting buttons. The cooler or warmer you feel,
the more times (up to two times) you should press the button.
The set temperature will be changed automatically.
ON
3
To raise the temperature
To lower the temperature
During Auto Operation
■ You cannot control the indoor fan speed. It has already been set by the Fuzzy rule.
■ If the system is not operating as desired, manually switch to another mode. The system will not
automatically switch from the cooling mode to the heating mode, or from heating mode to cooling
mode, it must be done by manually resetting.
■ During Auto Operation, pressing the chaos swing button makes the horizontal louvers swing up and
down automatically. If you want to stop auto-swing, press the chaos swing button again.
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Operating Instructions
Auto changeover operation(Heat pump model only)
Press the Start/Stop button.
The unit will respond with
a beep.
1
Open the door of the remote controller. To select Auto Changeover
2
Operation, press the Operation Mode Selection button.
Each time the button is pressed, the operation mode is shifted in the
direction of the arrow.
Auto
changeover
Cooling
Healthy
Dehumidification
Heating
(Heat pump model only)
Close the door of the remote controller. Set the temperature
lower than the room temperature. The temperature can be
set within a range of 18°C~30°C at intervals of 1°C.
3
4
To raise the temperature
To lower the temperature
ON
Set the fan speed again with the door
of the remote controller still closed.
You can select the fan speed in four
steps-low, medium, high and CHAOS.
Each time the button is pressed, the
fan speed mode is shifted.
During Auto changeover Operation
The air conditioner changes the operation mode automatically to keep indoor temperature. When room
temperature vary over ±2°C with respect to setting temperature, air conditioner keeps the room
temperature within ±2°C with respect to setting temperature by auto changeover mode.
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Operating Instructions
Healthy dehumidification operation
Press the Start/Stop button.
The unit will respond with
a beep.
1
2
Open the door of the remote controller. To select Healthy
Dehumidification Operation, press the Operation Mode
Selection button.
Each time the button is pressed, the operation mode is
shifted in the direction of the arrow.
Cooling
Auto
Healthy
Heating
Dehumidification (Heat pump model only)
Set the fan speed again with the door
of the remote controller still closed.
You can select the fan speed in four
steps-low, medium, high, or CHAOS.
Each time the button is pressed, the
fan speed mode is shifted.
3
ON
Natural wind by the CHAOS logic
■ For fresher feeling, press the Indoor Fan Speed Selector and set
to CHAOS mode. In this mode, the wind blows like a natural
breeze by automatically changing fan speed according to the
CHAOS logic.
During Healthy Dehumidification Operation
■ If you select the dehumidification mode on the operation selection button, the A/C starts to run the
dehumidification function. It automatically sets the room temp. and airflow volume to the best condition
for dehumidification, based on the sensed current room temp.
In this case, however, the setting temp. is not displayed on the remote controller and you are not able to
control the room temp. either.
■ During the healthy dehumidification function, the airflow volume is automatically set according to the
optimization algorithm responding to the current room temp. status, so that the room condition is kept
healthy and comfortable even in the very humid season.
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Operating Instructions
Heating operation (Heat pump model only)
Press the Start/Stop button.
The unit will respond with
a beep.
1
2
Open the door of the remote controller. To select Heating
Operation, press the Operation Mode Selection button.
Each time the button is pressed, the operation mode is
shifted in the direction of the arrow.
Cooling
Auto
Healthy
Heating
Dehumidification (Heat pump model only)
Close the door of the remote controller.
Set the temperature higher than the room temperature.
The temperature can be set within a range of 16°C~30°C at
intervals of 1°C.
3
4
ON
To raise the temperature
To lower the temperature
Set the fan speed again with the door of the
remote controller still closed. You can
select the fan speed in four steps–low,
medium, high and CHAOS. Each time the
button is pressed, the fan speed mode is
shifted.
Natural wind by the CHAOS logic
■ For fresher feeling, press the Indoor Fan Speed Selector and set to CHAOS mode. In this mode, the
wind blows like a natural breeze by automatically changing fan speed according to the CHAOS logic.
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Operating Instructions
Jet cool operation
Press the Start/Stop button.
The unit will respond with
a beep.
1
2
3
Press the Jet Cool button to operate
the speed cooling mode and the unit
will operate at super high fan speed
on cooling mode for 30 minutes.
To cancel the Jet Cool mode, press the Jet Cool button, the
fan speed button or the room temperature setting button
again and the unit will operate at high fan speed on cooling
mode.
or
or
NOTICE
■ During the JET COOL function at any moment, the A/C starts to blow the cool air at extremely
high speed for 30 minutes setting the room temp. automatically to 18°C. It is especially used to
cool the room temp. quickly in a hot summer.
In heat pump mode or neuro fuzzy mode, however, the JET COOL function is not available.
■■In order to return to the normal cooling mode from the JET COOL mode, just press the operation
mode selection button, airflow volume selection, temp. setting button or the JET COOL button
again.
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Operating Instructions
NANO PLASMA purification operation(Optional)
Press the Start/Stop button.
The unit will respond with a
beep.
1
Open the door of the remote
controller. Press the NANO PLASMA
button.
2
Operation will start when the button
is pressed and stop when the button
is pressed again.
Set the fan speed again with the door of the remote
3
controller closed. You can select the fan speed in four
steps-low, medium, high or CHAOS.
Each time the button is pressed, the fan
speed mode is shifted.
■ Air purifying operation (NANO PLASMA) can be
with cooling, Heating or any other operations.
NANO PLASMA Air Purifying Operation only
If you press the only NANO PLASMA button,
only NANO PLASMA purification function
operates.
Then, fan speed is low. You can select the fan
speed in four steps-low, medium, high or
CHAOS.
Each time the button (
speed mode is shifted.
) is pressed, the fan
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Operating Instructions
2nd F operation
Press the Start/Stop button.
The unit will respond with
a beep.
1
2
Open the door of the remote control and press the 2nd
Function button to operate functions printed in blue unter
buttons.
(Check the indication of 2nd function on the display of the
remote controller.)
These buttons can set the timer as follows:
SET
ON
OFF
CANCEL
ON
OFF
SET
AUTO CLEAN
2nd function disappears in a short time automatically or when
the button is pressed again.
3
For more details, refer to functions next pages.
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Operating Instructions
Additional Features
Sleep mode
1. Press the Sleep Mode Auto button to set the time you want the unit to stop automatically.
2. The Timer is programmed in one-hour increments by pressing the Sleep Mode Auto button 1 to 7 times. The
sleep mode is available for 1 to 7 times. To alter the time period in steps of 1 hour, press the Sleep Mode
Button while aiming at air conditioner.
3. Make sure the Sleep Mode Auto LED lights up.
To cancel the Sleep Mode, press the sleep Mode Auto button several times until the star
(
) disappears from the operation display.
The Sleep Mode will be operated at slow fan speed (cooling) or medium fan speed (heat pump
only) for a comfortable sleep.
NOTICE
In cooling mode or healthy dehumidification mode:
The temperature will automatically rise by 1°C over the next 30 minutes and by 2°C in 1 hour for a comfortable
sleep.
Setting the time
1. Time can be set only when you press the Reset button. Having replacing the batteries,
you should press the reset buttons to reset the time. Press the Start/Stop button.
2. Press 2nd F button and check if 2nd F icon is on.
3. Press the Time Setting buttons until the desired time is set.
CANCEL
4. Press the Timer SET button.
SET
Check the indicator for A.M. and P.M.
NOTICE
Delay start/Pre-set stop
1. Make sure the time is set correctly on the display of the remote controller.
2. Press 2nd F button.
ON
OFF
3. Press the ON/OFF Timer buttons to turn Timer on or off.
4. Press the Time Setting buttons until the desired time is set.
CANCEL
SET
5. To set the selected time, press the Timer setting button aiming the remote controller at the
signal receptor.
To cancel the timer setting
Check if 2nd F icon is off.
CANCEL
Press the Timer Cancel button aiming the remote controller at the signal receptor.
SET
(The timer lamp on the air conditioner and the display will go out.)
Select one of the following four types of operation.
NOTICE
with the unit running
Delay OFF Timer
Delay ON Timer
Delay OFF and ON Timer Delay ON and OFF Timer
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Operating Instructions
Vertical Airflow Direction Control
The up/down airflow (Vertical Airflow) can be
adjusted by using the remote control.
NOTICE
■ If you press the CHAOS swing button, the
horizontal airflow direction is changed
automatically based on the CHAOS algorithm to
distribute the air in the room evenly and at the
same time to make the human body feel most
comfortable, as if enjoying a natural breeze.
■ Always use the remote control to adjust the
up/down airflow direction. Manually moving the
vertical airflow direction louver by hand, could
damage the air conditioner.
1. Press the Start/Stop button to start the unit.
■ When the unit is shut off, the up/down airflow
direction louver will close the air outlet vent of the
system.
2. Press Chaos Swing button and the louvers will
swing up and down. Press the Chaos Swing
button again to set the vertical louver at the
desired airflow direction.
Horizontal Airflow Direction Control (Optional)
The left/right(Horizontal Airflow) can be adjusted by using the remote control.
Press the Start/Stop button to start the unit.
Open the door on the remote control. Press the Airflow Direction Start/Stop
button and the louvers will swing left and right. Press the Horizontal Airflow
Direction Control Button again to set the horizontal louver at the desired airflow
direction.
Air circulation mode
Circulates the room air without cooling or heating.
1. Press the Start/Stop button. the unit will respond with a beep.
2. Open the door on the remote control. Press the Air Circulation button. Close the door on the remote control.
Now each time that you press the Indoor Fan Speed Selector, the fan speed is shifted from low to CHAOS
and back to low again.
CHAOS Air
Fan speed is on low. Fan speed is on medium. Fan speed is on high.
CHAOS Air economizes power consumption and prevents overcooling. The fan speed is
automatically changed from high to low or vice versa, depending on the ambient temperature.
NOTICE
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Operating Instructions
Auto clean (Optional)
1. Whenever you press the Auto Clean button, Auto Clean Function will be
reserved and cancelled.
AUTO CLEAN
2. Auto Clean function works before and after cooling or dehumidification mode.
For details, refer to the below points.
3. When the unit is started after the reservation of Auto Clean ,the Cool Start
function operates and indoor Fan is started after 20 seconds.
4. When you press Start/Stop button to turn off the unit after the you have reserved
Auto Clean function, the air-conditioner circulates the indoor air in the Auto
Clean mode with no more Cooling or Dehumidification operation. For Cooling
only model, it lasts for 30 minutes for Heat pump model, for 16 minutes.
5. If you press the auto clean button again during the product operation , Auto
Clean function will be cancelled.
NOTICE
■ During Auto Clean function, moistures left in indoor units after Cooling Operation or Healthy
Dehumidification Operation can be removed.
■ During Auto Clean function, only Start/Stop button, Plasma button and Auto Clean button are available.
Display Luminosity (Optional)
• The Display Luminosity can be adjusted by using the remote control.
Press the start/stop button to start the unit. Open the door on the remote control, press the 2ndF button
and, press display luminosity button. Display will be dark. Press the button again to set bright display.
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Operating Instructions
Forced operation
Operation procedures when the remote control can't be used.
The operation will be started if the power button is pressed.
If you want to stop operation, re-press the button.
Power
button
Heat pump Model
21°C ≤ Room Temp. < 24°C
Healthy Dehumidification
High
Cooling Model
Room Temp. ≥ 24°C
Room Temp. < 21°C
Heating
Operating mode
Indoor FAN Speed
Setting Temperature
Cooling
High
Cooling
High
High
22°C
22°C
23°C
24°C
Test operation
During the TEST OPERATION, the unit operates in cooling mode at high speed fan, regardless of room
temperature and resets in 18 minutes.
During test operation, if remote controller signal is received, the unit operates as remote controller sets.
If you want to use this operation, open the front panel upward and Press the power button let it be pressed for
about 3 seconds.
If you want to stop the operation, re-press the button.
Auto restart
In case the power comes on again after a power failure, Auto Restarting Operation is the function to operate
procedures automatically to the previous operating conditions.
So there is no need of activating this function by pressing any key or button.
In the initial mode, the fan operates at a low speed and the compressor starts 2.5~3 minutes later.
As the compressor starts, the fan speed also resumes its previous setting mode.
Helpful information
Fan speed and cooling capacity.
The cooling capacity indicated in the specification is the value
when the fan speed is set to high, and the capacity will be lower
at low or medium fan speed.
High
Speed
High fan speed is recommended when you wish to cool the room
quickly.
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Maintenance and Service
Maintenance and Service
Indoor Unit
WARNING: Turn the system off before cleaning.
To clean, wipe with a soft, dry cloth. Do not use bleach or abrasives.
Supply power must be disconnected before cleaning the indoor unit.
NOTICE
1. Open the upside of Front Panel
Front panel
2. Put up the Front panel.
The hook of panel comes off.
Panel hook
3. Come down the panel and then remove the air filter.
Air filters
WARNING: Don’t touch the PLASMA Filter
within 10 seconds after opening the inlet
grille, it may cause electric shock.
4. Clean it wi a soft brush and the vacuum cleaner.
If it is very dirty, wash it with water.
5. Reinstall the air filter dried at the shade and then close
the panel.
Air filters
■ Never use any of the followings:
• Water hotter than 40°C
Could cause deformation and/or discoloration.
P
o
w
d
e
r
G
a
e
oli
n
s
• Volatile substances
Could damage the surfaces of the air conditioner.
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Maintenance and Service
Outdoor Unit
The heat exchanger coils and panel vents of the outdoor unit should be checked regularly.
If clogged with dirt or soot, the heat exchanger
and panel vents may be professionally steam cleaned.
(Rear)
Dirty or clogged coils will reduce the
operating efficiency of the system and
cause higher operating costs.
NOTICE
(Side)
Air intake
vents
Piping
Drain Hose
Air outlet
vents
(Rear)
(Rear)
(Side)
(Side)
Air intake
vents
Piping
Air intake
vents
Piping
Drain Hose
Drain Hose
Air outlet
vents
Air outlet
vents
Cleaning Filter
• Recomended use period : About 3 months
1. Open the upside of Front
panel.
2. Put up the front panel.
The hook of panel comes off.
3. Remove air filter and then pull
out the nano plasma filter.
Nano plasma filter
Front panel
Panel
hook
4. Clean nano plasma filter with 5. Relocate dried nano plasma
the vacuum cleaner.
filter at the shade and then put
in air filter.
Nano plasma filter
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Maintenance and Service
Common Problems and Solutions
Before calling for service
If you have problems with your air conditioner, read the following information and try to solve
the problem. If you cannot find a solution, turn off the air conditioner and contact your dealer.
Air conditioner does not operate
1. Ensure that the air conditioner is plugged into a proper outlet.
2. Check the fuse or circuit breaker.
3. Check whether the voltage is unusually high or low.
Air does not feel cold enough on the cooling setting
1. Ensure that the temperature settings are correct.
2. Check to see if the air filter is clogged with dust. If so, replace the filter.
3. Ensure that the air flow from the outside is not obstructed and that there is a clearance of
over 20" between the back of the air conditioner and the wall or fence behind it.
4. Close all doors and windows and check for any source of heat in the room.
Before calling for service, please review the following list of common problems and
solutions.
The air conditioner is operating normally when:
• You hear a pinging noise. This is caused by water being picked up by the fan on rainy days
or in highly humid conditions. This feature is designed to help remove moisture in the air
and improve cooling efficiency.
• You hear the thermostat click. This is caused by the compressor cycle starting and
stopping.
• You see water dripping from the rear of the unit. Water may be collected in the base pan in
highly humid conditions or on rainy days. This water overflows and drips from the rear of
the unit.
• You hear the fan running while the compressor is silent. This is a normal operational
feature.
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Maintenance and Service
Troubleshooting
The air conditioner may be operating abnormally when:
Problem
Possible Causes
What To Do
■ The air conditioner is
• Make sure the air conditioner plug is
unplugged.
pushed completely into the outlet.
■ The fuse is blown/circuit
breaker is tripped.
• Check the house fuse/circuit breaker
box and replace the fuse or reset the
breaker.
Air
conditioner
does not start
■ Power failure.
• If power failure occurs, turn the mode
control to Off.
When power is restored, wait 3
minutes to restart the air conditioner
to prevent tripping of the compressor
overload.
■ Airflow is restricted.
• Make sure there are no curtains,
blinds, or furniture blocking the front of
the air conditioner.
■ The thermostat may not be
set high enough.
• Turn the knob to a higher number.
The highest setting provides
maximum cooling.
■ The air filter is dirty.
• Clean the filter at least every 2 weeks.
See the care and Maintenance
section.
Air
conditioner
does not cool
as it should
■ The room may have been
hot.
• When the air conditioner is first turned
on, you need to allow time for the
room to cool down.
■ Cold air is escaping.
• Check for open furnace floor registers
and cold air returns.
■ Cooling coils have iced up.
• See Air Conditioner Freezing Up
below.
Air
■ Ice blocks the air flow and
stops the air conditioner from
cooling the room.
• Set the mode control at High Fan or
High Cool with thermostat at 1 or 2.
conditioner
freezing up
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Memo
30 Room Air Conditioner
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P/No.: 3828A20418C
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