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, 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.
I 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.
I The meanings of the symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
I Installation
Do not use damaged power
cords, plugs, or a loose
socket.
For electrical work, contact
the dealer, seller, a qualified
electrician, or an Authorized
Service Center.
Always use the power plug
and socket with the ground
terminal.
• There is risk of fire or electric
shock.
• There is risk of electric shock.
• There is risk of fire or electric
shock.
Install the panel and the
cover of control box securely.
Do not modify or extend the
power cord.
Do not install, remove, or re-
install the unit by yourself
(customer).
• There is risk of fire or electric
shock.
• There is risk of fire or electric
shock.
• There is risk of fire, electric shock,
explosion or injury.
Owner’s Manual 3
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Safety Precautions
Be cautious when unpacking
and installing the product.
For installation, always
contact the dealer or an
Authorized Service Center.
Do not install the product on
a defective installation stand.
• Shape edges could cause injury.
Be especially careful of the sharp
edges.
• There is risk of fire, electric shock,
explosion, or injury.
• It may cause injury, accident, or
damage to the product.
Be sure the installation area
does not deteriorate with age.
Install the indoor unit on the
wall where the height from
the floors more then 8ft(2.4m)
Do not handle the pipe by
yourself(Costomer)
• If the base collapses, the air
conditioner could fall with it,
causing property damage, product
failure, and personal injury.
• There are sharp moving parts that
could cause personal injury.
• High-Pressure refrigent may cause
personal injury.
8ft(2.4m)
I Operation
Use a dedicated outlet for this
appliance.
Grasp the plug to remove the
cord from the outlet. Do not
touch it with wet hands.
Do not allow water to run
into electric part.
• There is risk of fire or electric
shock.
• There is risk of fire or electric
shock.
• There is risk of fire, failure of
the product, and/or electric
shock.
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Safety Precautions
Do not place a heater or other
appliances near the power
cable.
Do not let the air conditioner
run for a long time when the
humidity is very high and a
door or a window is left open.
Do not store of use
flammable gas or
combustibles near the air
conditioner.
•
There is risk of fire, failure of the
product, and/or electric shock.
• Moisture may condense and wet or
damage furnishings.
• There is risk of fire or product
failure.
Do not use the product in a
tightly closed space for a
long time.
When flammable gas leaks, turn off
the gas and open a window for
ventilation before turning the
product on. Do not use the
Unplug the unit if strange
sounds odors or smoke
comes from it.
telephone or turn switches on or off.
• Oxygen deficiency could occur.
•
There is risk of fire, Product faiure,
and/or electric shock.
• There is risk of explosion or fire.
•
Some ventilation by opening window
is necessary for the fresh air
Stop operation and close any
window in storm or hurricane
before the hurricane arrives.
Do not open the inlet grill of
the product during operation.
(Do not touch the
electrostatic filter, if the unit
is so equipped.)
When the product is soaked
(flooded or submerged),
contact an Authorized
Service Center.
• There is risk of property damage,
failure of product, or electric
shock.
• There is risk of physical injury,
electric shock, or product.
• There is risk of electrical shock.
Owner’s Manual 5
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Safety Precautions
Ventilate the product from
time to time when operating it
together with a stove, etc.
Unplug the appliance before
performing cleaning or
maintenance.
When the product is not be
used for a long time
disconnect the power supply
plug or turn off the breaker.
• There is risk of fire or electrical
shock.
• There is risk of product damage or
failure, or unintended operation.
• There is risk of electric shock.
I Installation
Take care to ensure that
nobody could step on or fall
onto the outdoor unit.
Do not insert hands or other
objects through the air inlet
or outlet while the air
Always check for
gas(refrigerant) leakage after
installation or repair of
product.
conditioner is plugged in.
• There could result in personal
injury and product damage.
• There are sharp and moving parts
that could cause personal injury.
• Low refrigerant levels may cause
product failure.
Install the drain hose to
ensure that water is drained
away properly.
Keep level even when
installing the product.
Do not install the product
where the noise or hot air
from the outdoor unit could
damage the neighborhoods.
• A bad connection may cause
water leakage.
• To avoid vibration or water
leakage.
• It may cause a problem for your
neighbors.
90˚
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Safety Precautions
I Operation
Use two or more people to lift
and transport the air
conditioner.
Do not install the product
where it will be exposed to
sea wind (salt spray) directly.
Do not direct airflow at room
occupants.
• Avoid personal injury.
• It may cause corrosion in the
product. Corrosion, particularly on
the condenser and evaporator fins,
could cause product malfunction
or inefficient operation.
• This could damage your health.
Do not use the product for
special purposes, such as
preserving foods, works of art,
etc. It is a consumer air
Do not block the inlet or
outlet of air flow.
Use a soft cloth to clean.
Do not use harsh detergents,
solvents, etc.
conditioner, not a precision
refrigeration system.
• There is risk of damage or loss of
property.
• There is risk of fire, electric shock
or damage to the plastic parts of
the product.
• It may cause product failure.
Do not touch the metal parts
of the product when
removing the air filter. They
are very sharp!
Do not step on or put
anything on the product.
(outdoor unit)
Always insert the filter
securely. Clean the filter
every two weeks or more
often if necessary.
• There is risk of personal injury and
failure of product.
• A dirty filter reduces the efficiency
of the air conditioner and could
cause product malfunction or
damage.
• There is risk of personal injury.
Owner’s Manual 7
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Safety Precautions
Do not drink the water
drained from the unit.
Use a firm stool or ladder
when cleaning or maintaining
the air conditioner.
Replace all the batteries in
the remote.
• It is not sanitary and could cause
serious health issues.
• There is risk of fire or explosion.
• Be careful and avoid personal
injury.
I Disuse
Do not recharge or disassemble the batteries.
Do not dispose of batteries in a fire.
If the liquid from the batteries gets onto your
skin or clothes, wash it well with clean water.
Do not use the remote if the batteries have
leaked.
• They may burn or explode.
• The chemicals in batteries could cause burns or other
health hazards.
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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, ony replace it with 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. Ventilate the room when the air conditioner is used with other heating devices. Otherwise the oxygen
supply may be inadequate.
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 power is accidently turned on
while the interior of the unit is being cleaned.
Service
For repair and maintenance, contact your authorized service dealer.
Owner’s Manual 9
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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
• This appliance should be installed in accordance with national wiring regulations. This guide acts
as a guide to help to explain product features.
Indoor
Air Inlet
Air Filter
Front Panel
Signal Receptor
Outdoor
(Rear)
(Side)
Air intake
vents
Piping
Air outlet
vents
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Electrical Safety
Electrical Safety
• This appliance must be properly grounded.
To minimize the risk of electric shock, you must alway plug into a grounded oulet
• Do not cut or remove the grounding prong from the power plug.
• Attaching the adapter ground terminal to the wall receptacle cover screw does
not ground the appliance unless the cover screw is metal and not insulated, and
the wall receptacle is grounded through the house wiring.
• If you have any doubt whether the air conditioner is properly grounded, have the
wall receptacle and circuit checked by a qualified electrician.
Owner’s Manual 11
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Operating Instruction
Operating Instruction
How To Insert The Batteries
Remove the battery cover by pulling it according to
the arrow direction.
Insert new batteries making sure that the (+) and (-)
of battery are installed correctly.
Reattach the cover by sliding it back into position.
Use 2 AAA(1.5volt) batteries.
Do not use rechargeable batteries.
NOTICE
Storage And Tips For Using The Remote Controler
• The remote controler may be stored by mounting it on
a wall.
• To operate the room air conditioner, aim the remote
control at the signal receptor.
Signal Receptor
Receives the signals from the remote control.(Signal receiving sound: two short beeps or one long beep.)
Operation Indication Lamps
On/Off
: Lights up during the system operation, error code and auto restart setting.
Sleep mode : Lights up during sleep mode auto operation.
Plasma
Timer
: The function illustrates its dynamic mode by using a multiple lighting system.
: Lights up during timer operation.
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
OUT
DOOR
Power Display : Indicates the setting temperature and operation mode.
Auto operation mode
Cooling, heating,
Dehumidification
Mode
Operation
mode
Jet
Test
Auto
clean
Cool/Heat operation
Standard
Too hot
Hot
Comfortable
Cold
Too cold
Shape of
Setting
display temperature
* Hot start operation: Stops the indoor fan in heating operation for minutes to prevent cold air from blowing out
from unit.
* In defrost mode unit stops heating operation for few minutes to remove formation of ice on the heat
exchanger coils to maintain the efficiency.
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Operating Instruction
Remote Control Operations
1. START/STOP BUTTON
Controls
Operation starts when this button is pressed
and stops when the button is pressed again.
Signal transmitter
2. OPERATION MODE SELECTION BUTTON
Used to select the operation mode.
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.)
6. CHAOS SWING BUTTON
Used to stop or start louver movement and
set the desired up/down airflow direction.
5
6
1
3
7. ON/OFF TIMER BUTTONS
Used to set the time of starting and stopping
operation. (See page 21)
8. TIME SETTING BUTTONS
Used to adjust the time. (See page 21)
9. TIMER SET/CANCEL BUTTON
Used to set the timer when the desired time
is obtained and to cancel the Timer
operation. (See page 21)
10. SLEEP MODE AUTO BUTTON
Used to set Sleep Mode Auto operation.
(See page 21)
4
10
2
7
CANCEL
9
12
ON
OFF
SET
AUTO CLEAN
11
8
17
19
18
14
13
16
15
11. AIR CIRCULATION BUTTON
Used to circulate the room air without
cooling or heating. (See page 22)
Flip-up door
(opened)
12. ROOM TEMPERATURE CHECKING
BUTTON
Used to check the room temperature.
Operation Mode
13. NEO PLASMA(OPTIONAL)
Used to start or stop the plasma-
purification function. (See page 19)
Cooling Operation
14. HORIZONTAL AIRFLOW DIRECTION
CONTROL BUTTON (OPTIONAL)
Used to set the desired horizontal airflow
direction.
Auto Operation
15. RESET BUTTON
Healthy Dehumidification Operation
Used prior to resetting time.
16. 2nd F Button
Heating Operation
Used prior to using modes printed in blue
at the bottom of buttons. (See page 20)
•
Cooling Model( ), Heat Pump Model(
)
17. AUTO CLEAN (OPTIONAL)
Used to set Auto Clean mode.
18. ˚C TO ˚F SWITCHING BUTTON
Used to switch temperature reading from
Centigrade to Fahrenheit.
19. LCD LUMINOSITY BUTTON(OPTIONAL)
Used to adjust LCD luminosity.
Owner’s Manual 13
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Operating Instruction
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(64°F~86°F) at intervals of
1°C(2°F).
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.
Gentle Breeze 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 Instruction
Auto operation
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.
Owner’s Manual 15
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Operating Instruction
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.
Auto
Cooling
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
Gentle Breeze 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 product 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 temperature. is not displayed on the remote controller and you are not
able to control the room temperature. 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 the room condition is kept
healthy and comfortable even in the very humid season.
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Operating Instruction
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.
Auto
Cooling
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(60°F~86°F) at intervals of 1°C(2°F).
To raise the temperature
3
4
ON
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.
Gentle Breeze 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.
Owner’s Manual 17
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Operating Instruction
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 temperature. automatically to 18°C. It is especially
used to cool the room temperature. quickly in a hot summer.
In heat pump mode or auto changeover 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, temperature. setting button or the JET COOL
button again.
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Operating Instruction
NEO 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 PLASMA
button.
Operation will start when the button
is pressed and stop when the button
is pressed again.
2
Set the fan speed again with the door of the remote
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.
3
❈ Air purifying operation (NEO PLASMA) can be
with cooling, Heating or any other operations.
NEO PLASMA Air Purifying Operation only
If you press the only PLASMA button, only
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 Indoor Fan Speed Selector
button is pressed, the fan speed mode is
shifted.
Owner’s Manual 19
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Operating Instruction
2nd F operation
Press the Start/Stop button.
The unit will respond with
a beep.
1
2
Open the door of the remote controller and press the 2nd
Function button to operate functions printed blue color under
buttons.
(Check the indication of 2nd function on the display of the
remote controller.)
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 Instruction
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.
)
NOTICE
The Sleep Mode will be operated at slow fan speed (cooling) or medium fan speed (heat pump only) for
a comfortable sleep.
In cooling mode or healthy dehumidification mode:
The setting temperature will automatically rise by 1°C(2°F) over the next 30 minutes and by 2°C(4°F) in 1 hour for a
comfortable sleep.
Setting the time
1. Time can be set only when you press the Reset button. When you replace 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
NOTICE
Check the indicator for A.M. or P.M.
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.)
NOTICE
with the unit running
Select one of the following four types of operation.
Delay OFF Timer
Delay ON Timer
Delay OFF and ON Timer Delay ON and OFF Timer
Owner’s Manual 21
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Operating Instruction
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 vertical
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.Open the door on the remote control.
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.
To adjust left/right(Horizontal Airflow) direction
Ensure unit is turned off before
adjusting the horizontal airflow
direction control.
Carefully open vertical louver to
allow access to the horizontal airflow direction.
Adjust the left/right airflow direction by hand.
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.
NOTICE
❏
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.
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Operating Instruction
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. It lasts for 30
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.
Forced operation
Operation procedures when the remote control can't be used.
The operation will be started if the ON/OFF button is pressed.
If you want to stop operation, re-press the button.
ON/OFF
button
Heat pump Model
Cooling Model
Room Temp. ≥ 24°C(75.2
°F)
21°C(69.8°F) ≤ Room Temp. < 24°C(75.2°F)
Healthy Dehumidification
High
Room Temp. < 21°C(69.8
°F)
Operating mode
Cooling
High
Cooling
High
Heating
High
Indoor FAN Speed
Setting Temperature 22°C(71.6°F)
22°C(71.6°F)
23°C(73.4°F)
24°C(75.2°F)
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, Press and hold the ON/OFF button for 3~5 seconds, then the buzzer sound
1 "beep".
If you want to stop the operation, re-press the button.
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Operating Instruction
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.
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.
NOTICE
Auto restart function has set enable as factory default.
But customer can set up by following this instruction.
To disable function
- Press and hold the ON/OFF button for 6 seconds, then the buzzer sound 2 "beep" and the indicator lamp (1)
blinks 4 times.
To enable function
- Press and hold the ON/OFF button for 6 seconds, then the buzzer sound 2 "beep" and the indicator lamp (1)
brights 4 times.
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Maintenance and Service
Maintenance And Service
Before performing any maintenance, turn off the main power to the system.
Indoor Unit
Grille, Case, and Remote Control
Turn the system off before cleaning. To clean, wipe with a soft, dry
cloth. Do not use bleach or abrasives.
NOTICE
Air inlet vent
Air filters
Air outlet vent
Vertical louver
(behind front panel)
Supply power must be disconnected before cleaning the indoor unit.
Horizontal louver
Air filters
The air filters behind the front grille should be checked and
cleaned once in every 2 weeks or more often if neccessary.
1. Open the front panel as shown.
2. Pull the filter tab slightly forward to remove the filter.
3. Clean the filter with a vacuum cleaner or warm, soapy water.
• If dirt is conspicuous, wash with a solution of
detergent in lukewarm water.
• If hot water (40°C(104°F) or more) is used, it may be
deformed.
Front panel
4. After washing with water, dry well in the shade.
5. Re-install the air filter.
NEO PLASMA filter (Optional)
The NEO PLASMA filter behind the air filters should be
checked and cleaned once in every 3 months or more often if
necessary.
1. After removing the air filters, pull slightly forward to remove
the NEO PLASMA filter.
2. Clean NEO PLASMA filter with the vacuum cleaner.
If it is very dirty, wash it with water.
Plasma filter
3. Note the cuts of electric discharge lines.
4. Re-install the NEO PLASMA filter to the original position.
TRIPLE DEODORIZER filter (Optional)
1. After removing the air filters, pull slightly forward to remove
the TRIPLE DEODORIZER filter.
2. Dry in the sunlight for two hours.
3. Re-install the TRIPLE DEODORIZER filter to the original
position.
Don't touch this NEO PLASMA Filter within 10 seconds after
opening he inlet grille, it may cause an electric shock.
Never use any of the followings:
P
o
w
d
e
r
G
a
e
oli
n
s
• Water hotter than 40°C(104°F)
Could cause deformation and/or discoloration.
• 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)
(Side)
Air intake
vents
Piping
Air outlet
vents
NOTICE
Dirty or clogged coils will reduce the
operating efficiency of the system and cause
higher operating costs.
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 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
I The air conditioner is
• Make sure the air conditioner plug is
unplugged.
pushed completely into the outlet.
I 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
I 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.
I Airflow is restricted.
• Make sure there are no curtains,
blinds, or furniture blocking the front of
the air conditioner.
I 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
I 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.
I Cold air is escaping.
• Check for open furnace floor registers
and cold air returns.
I Cooling coils have iced up.
• See Air Conditioner Freezing Up
below.
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Memo
28 Room Air Conditioner
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P/No.: 3828A20434L
Printed in Korea
After reading this manual, keep it in a place easily accessible to the user for future reference.
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