LG
LG Cassette-Type
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 injury to 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.
WARNING
This symbol indicates the possibility of injury or damage.
CAUTION
■ Meanings of symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
WARNING
■ Installation
Do not use a defective or
underrated circuit breaker.
Use this appliance on a
dedicated circuit.
For electrical work, contact
the dealer, seller, a qualified
electrician, or an Authorized
Service Center.
Always ground the product.
• There is risk of fire or electric
shock.
• Do not disassemble or repair the • There is risk of fire or electric
product. There is risk of fire or
electric shock.
shock.
Install the panel and the
cover of control box
securely.
Always install a dedicated
circuit and breaker.
Use the correctly rated
breaker or fuse.
• There is risk of fire or electric
shock.
• Improper wiring or installation
may cause fire or electric shock
• There is risk of fire or electric
shock.
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Safety Precautions
Do not modify or extend the
power cable.
Do not install, remove, or re-
install the unit by yourself
(customer).
Be cautious when unpacking
and installing the product.
• There is risk of fire or electric
shock.
• There is risk of fire, electric
shock, explosion, or injury.
• Sharp edges could cause injury.
Be especially careful of the case
edges and the fins on the
condenser and evaporator.
Do not install the product on a
defective installation stand.
Be sure the installation area
does not deteriorate with age.
For installation, always contact the
dealer or an Authorized Service Center.
• It may cause injury, accident, or
damage to the product.
• If the base collapses, the air
conditioner could fall with it,
causing property damage,
product failure, and personal
injury.
• There is risk of fire, electric
shock, explosion, or injury.
■ Operation
Do not let the air conditioner run for a
long time when the humidity is very high
Take care to ensure that power
cable could not be pulled out or
damaged during operation.
Do not place anything on the
power cable.
and a door or a window is left open
.
• Moisture may condense and wet • There is risk of fire or electric
• There is risk of fire or electric
shock.
or damage furniture.
shock.
Do not plug or unplug the
power supply plug during
operation.
Do not touch(operate) the
product with wet hands.
Do not place a heater or
other appliances near the
power cable.
• There is risk of fire or electric
shock.
• There is risk of fire or electrical
shock.
• There is risk of fire and electric
shock.
4 Cassette- Type Air Conditioner
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Safety Precautions
Do not allow water to run
into electric parts.
Do not store or use flammable
gas or combustibles near the
product.
Do not use the product in a
tightly closed space for a
long time.
• It may cause There is risk of fire,
failure of the product, or electric
shock.
• There is risk of fire or failure of
product.
• Oxygen deficiency could occur.
Gasolin
When flammable gas leaks,
turn off the gas and open a
window for ventilation
If strange sounds, or small or
smoke comes from product. Turn
the breaker off or disconnect the
power supply cable.
Stop operation and close the window
in storm or hurricane. If possible,
remove the product from the window
before the hurricane arrives.
before turn the product on.
• Do not use the telephone or turn
switches on or off.
• There is risk of electric shock or
fire.
• There is risk of property damage,
failure of product, or electric shock.
There is risk of explosion or fire
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.
Be cautious that water could
not enter the product.
• There is risk of physical injury,
electric shock, or product failure.
• There is risk of fire or electric
shock.
• There is risk of fire, electric shock,
or product damage.
Ventilate the product from time to time when
operating it together with a stove, etc.
Turn the main power off when cleaning or
maintaining the product.
• There is risk of fire or electric shock.
• There is risk of electric shock.
Owner's Manual 5
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Safety Precautions
When the product is not be used for a long
time, disconnect the power supply plug or
turn off the breaker.
Take care to ensure that nobody could step
on or fall onto the outdoor unit.
• There is risk of product damage or failure, or
• This could result in personal injury and product
unintended operation.
damage.
CAUTION
■ Installation
Always check for gas
(refrigerant) leakage after
installation or repair of product.
Install the drain hose to
ensure that water is drained
away properly.
Keep level even when
installing the product.
• Low refrigerant levels may cause
failure of product.
• A bad connection may cause
water leakage.
• To avoid vibration or water
leakage.
90°
Do not install the product where the
noise or hot air from the outdoor unit
could damage the neighborhoods.
Use two or more people to
lift and transport the
product.
Do not install the product where
it will be exposed to sea wind
(salt spray) directly.
• It may cause a problem for your
neighbors.
• Avoid personal injury.
• It may cause corrosion on the
product. Corrosion, particularly on
the condenser and evaporator fins,
could cause product malfunction or
inefficient operation.
■ Operation
Do not expose the skin directly to cool air for
long periods of time.
(Don't sit in the draft.)
Do not use the product for special purposes, such as
preserving foods, works of art, etc. It is a consumer air
conditioner, not a precision refrigeration system.
• This could harm to your health.
• There is risk of
damage or
loss of property.
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Safety Precautions
Do not block the inlet or
outlet of air flow.
Use a soft cloth to clean. Do
not use harsh detergents,
solvents, etc.
Do not touch the metal parts of
the product when removing the
air filter. They are very sharp!
• It may cause product failure.
• There is risk of fire, electric shock,
or damage to the plastic parts of
the product.
• There is risk of personal injury.
Do not step on or put
anyting on the product.
(outdoor units)
Always insert the filter securely.
Clean the filter every two weeks
or more often if necessary.
Do not insert hands or other
objects through the air inlet or
outlet while the product is operated.
• There is risk of personal injury
• A dirty filter reduces the efficiency • There are sharp and moving parts
and failure of product.
of the air conditioner and could
cause product malfunction or
damage.
that could cause personal injury.
Do not drink the water
drained from the product.
Use a firm stool or ladder
when cleaning or
maintaining the product.
Replace the all batteries in the
remote control with new ones of
the same type. Do not mix old
and new batteries or different
types of batteries.
• It is not sanitary and could cause
• Be careful and avoid personal
• There is risk of fire or explosion
serious health issues.
injury.
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.
Owner's Manual 7
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Operating Instructions
Operating Instructions
Indoor Unit
Signal Receiver
Receives the signals from the remote control.
(Signal receiving sound: two short beeps or one long beep.)
Cassette Type Indoor Unit
On/Off
: Lights up during the system operation.
Filter Sign
Timer
: Lights up after 2400 hours from the time of first operating unit.
: Lights up during Timer operation.
Forced
Operation
: Operation procedures when the remote control
can't be used.
Outdoor Unit : Lights up during outdoor unit operation.
Operation
Anti-bacteria
Signal Receptor
Air
Intake
Air Outlet
Remote
Controller
8 Cassette- Type Air Conditioner
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Operating Instructions
Name and Function of Remote Controller
AUTO SWING OPERATION
SET TEMP
Room Temp
FAN SPEED SUB FUNCTION
HI
AUTO Heater Preheat
1
MED
LO
JET
SLo
Defrost Humidify
Filter
Out door
ZONE
2ndF
Time
1
2
3
4
Operation unit No Func Program set
Timer
On Off
Set no. Time 01 03 05 07 09 11 13 15 17 19 21 23
3
17
2
5
10
11
12
13
14
15
Timer
Cancel
2ndF
6
4
Program Week Holiday
Set/Clr
Plasma
RESET
7
8
9
Hour
Min
16
18
9
1
2
Operation display
Displays the operation conditions.
Plasma Air Clean Button
10
11
12
On/Off Button
Operation starts when this button is pressed, and stops
when the button is pressed again.
Timer Cancel Button
Used to cancel the timer.
Timer Set Button
Used to set the timer when the desired time is obtained.
3
Set Temperature Button
Used to set the temperature when the desired
temperature is obtained.
Week Button
Used to set a day of the week.
4
5
FAN Operation Button
Used to circulate room air without cooling.
13 Program Button
Used to set the weekly timer.
Fan Speed (Jet Cool Button)
Used to set the desired fan speed or select Jet cool
mode.
14
Holiday Button
Used to set a holiday of the week.
15 Time Set Button
6
Operation Mode Selection Button
Used to select the operation mode.
• Auto Operation Mode
Used to set the time of the day and change the time in
the weekly timer Function.
• Cooling Operation Mode
• Soft Dry Operation Mode
16
17
18
Set and Clear Button
Used to set and clear the weekly timer.
7
8
Auto Swing Button
Used to swing up and down.
Swirl Button
Used to select swirl mode.
Room Temperature Checking Button
Used to check the room temperature.
Reset Button
Used to set the current time and clear the setting time.
■
Display temperature can be different from actual room temperature if the remote controller is
installed at the place where sun-rays are falling directly or the place nearby heat source.
Owner's Manual 9
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Operating Instructions
Wireless Remote Controller
Controls
Signal transmitter
1. START/STOP BUTTON
Operation starts when this button is pressed and stops
when the button is pressed again.
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. AUTO 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.
8. TIME SETTING BUTTONS
Used to adjust the time.
9. TIMER SET/CANCEL BUTTON
Used to set the timer when the desired time is obtained and to
cancel the Timer operation.
10. SLEEP MODE AUTO BUTTON
Used to set Sleep Mode Auto operation.
11. AIR CIRCULATION BUTTON
4
10
2
7
CANCEL
9
ON
OFF
SET
AUTO CLEAN
12
11
8
17
18
14
16
13
15
Used to circulate the room air without cooling or heating.
12. ROOM TEMPERATURE CHECKING BUTTON
Used to check the room temperature.
13. PLASMA
Flip-up door
(opened)
Used to start or stop the plasma-purification function.
14. HORIZONTAL AIRFLOW DIRECTION CONTROL BUTTON
(OPTIONAL)
Operation Mode
Used to set the desired horizontal airflow direction.
15. RESET BUTTON
Cooling Operation
Used prior to resetting time.
16. 2nd F Button
Used prior to using modes printed in blue at the bottom of
buttons.
Auto Operation
17. AUTO CLEAN (OPTIONAL)
Healthy Dehumidification Operation
Used to set Auto Clean mode.
18. ˚C TO ˚F SWITCHING BUTTON
Used to switch temperature reading from Centigrade to
Fahrenheit.
■ The wireless remote controller do not operate the swirl mode.
CAUTION:of handling the Remote Controller
• Aim at the signal receiver on the wired remote controller so as to operate.
• The remote control signal can be received at a distance of up to about 7m.
• Be sure that there are no obstructions between the remote controller and the signal receptor.
• Do not drop or throw the remote controller.
• Do not place the remote controller in a location exposed to direct sunlight, or near the heating unit, or
any other heat source.
• Block a strong light over the signal receptor with a curtain or etc. so as to prevent the abnormal
operation. (ex:electronic quick start, ELBA, inverter type fluorescent lamp)
10 Cassette- Type Air Conditioner
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Operating Instructions
Set the Current Time and day of the Week
Unless you press any button about 5 (sometimes 10) seconds while setting function, the setting mode returns to
initial mode.
Press the '
' button.
Hour
1
Each time the button is pressed, the number is changed from 00 to 23.
This number indicates current hour.
OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
Time
Hour
For example, if it is 14:25, press
button 14 times.
Hour
Press the '
' button.
Min
2
Each time the button is pressed, the number increases from 00 to 59.
This number indicates current minute.
OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
Min
Time
For example, if it is 14:25, press
button 25 times.
Min
Week
Press '
' button.
3
Each time the button is pressed, a day of the week is shifted from sunday to saturday.
OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
Week
Time
Week
For example, if today is Wed, press
button 3 times.
RESET
Press the '
' button.
4
If you want to confirm the current time and a day of the week, click the Reset button.
OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
RESET
Owner's Manual 11
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Operating Instructions
Weekly Programming
Press the Program button.
1
Program set
The remote controller is displayed like a picture. Then '
', '
' and '01' is blinked.
OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
Program
Program set
Time 01 03 05 07 09 11 13 15 17 19 21 23
Week
Press the '
' button.
2
3
Week
Press
button repeatedly until desired mode appears.
Week
Week
For example, if you want Thu, press
Select the time you want.
button 4 times.
Press Hour or
button, then blinking letter is shown.
Min
SET/CLR
If you press
button, then '
' shape appears.
unit
05
'
' shape means that five o'clock is reserved.
Using below buttons, you can reserve time.
SET/CLR
Hour
Min
* For example, the air-conditioner is on 6,7,8 and 13~22 o'clock.
OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
Time 01 03 05 07 09 11 13 15 17 19 21 23
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Operating Instructions
Holiday Setting
If Tuesday is a holiday in this week, you may set a holiday.
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
Program
Press the Program button.
1
Program set
Time 01 03 05 07 09 11 13 15 17 19 21 23
Week
Press the Week button.
2
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
Select the Tuesday.
Program set
Time 01 03 05 07 09 11 13 15 17 19 21 23
Holiday
Press the Holiday button.
3
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
Then the remote controller will be displayed '
The outside rectangular means holiday.
'.
Time 01 03 05 07 09 11 13 15 17 19 21 23
■ You cannot set the weekly program for a holiday.
Timer Setting
If you want to turn it 'ON' during 'OFF' mode or turn it 'OFF' during 'ON' mode, you can use timer
setting function.
Timer
Press the Timer button.
1
2
Press Hour or
If you press
button, then you can control the desired time.
Min
Hour
Min
O
eration un
button, the display panel shows ( ex :
).
01 03
It means 3 hoMurins later, it will stop while 'ON' mode, it will operate while 'OFF' mode.
Cancel
If you want to cancel the timer setting function, press the Cancel button.
3
Self-diagnosis Function
' CH' will flash in the remote controller display when a problem occurs.
Then please contact your dealer.
Owner's Manual 13
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Operating Instructions
Operation Mode
Cooling Mode
Soft Dry Mode
Auto Mode
Operation Procedure
On/Off Button
1st
AUTO SWING OPERATION
SET TEMP
Room Temp
FAN SPEED SUB FUNCTION
HI
AUTO Heater Preheat
MED
LO
JET
SLo
Defrost Humidify
Filter
Out door
ZONE
2ndF
Time
1
2
3
4
Operation unit No Func Program set
Timer
On Off
Set no. Time 01 03 05 07 09 11 13 15 17 19 21 23
Operation Mode Selection Button
3
2nd
1
Timer
Cancel
2ndF
2
4
Program Week Holiday
Set/Clr
Room Temperature Setting Button
3rd
Plasma
RESET
Hour
Min
Indoor Fan Speed Selection Button
4th
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Operating Instructions
Cooling Operation Mode
Press the On/Off Button.
1
Select Cooling Operation.
2Press the Operation Mode Selection Button.
Each time the button is pressed, the operation mode is shifted in the arrow direction.
Operation Display
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
HI
AUTO
LO
i
Cooling Operation
Soft Dry Operation
Auto Operation
Set the temperature lower than the room temperature.
• The temperature can be set within
a range of 18°C ~ 30°C by 1°C .
3
4
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
HI
To raise the Temperature.
To lower the Temperature.
Set the fan speed.
Operation Display
AUTO SWING OPERATION
FAN SPEED
SET TEMP
FAN SPEED S
AUTO SWING
AUTO SWING OPERATION
S
SET TEMP
AUTO SWING
OPERATION
SET TEMP
FAN SPEED
AUTO SWING
OPERATION
SET TEMP
FAN SPEED
OPERATION
SET TEMP
FAN SPEED
A
U
T
O
S
W
ING
OPERATION
SET TEMP
FAN SPEED
AUTO
HI
SLo
JET
LO
i
MED
l
i
i
• Select the fan speed in six steps-high, auto, power jet, super-low, low, medium.
• The display shows high fan speed.
• Each time the button is pressed, the fan speed mode is shifted.
Owner's Manual 15
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Operating Instructions
Soft Dry Operation Mode
This mode dehumidifies without overcooling.
Press the On/Off Button.
1
Select Soft Dry Operation.
2
Press the operation Mode Selection Button.
Each time the button is pressed, the operation mode is shifted in the arrow direction.
Operation Display
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
HI
AUTO
LO
Cooling Operation
Soft Dry Operation
Auto Operation
During Dry Operation.
3
• The indoor fan speed is automatically set to the low, so the shift of the indoor fan speed is
impossible because of already being set to the best speed for Dry Operation by Micom
Control.
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Operating Instructions
Auto Operation Mode
Press the On/Off Button.
1
To select Auto Operation, press the Operation Mode Selection button.
2Each time the button is pressed, the operation mode is shifted in the direction of the arrow.
Operation Display
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
HI
AUTO
LO
Cooling Operation
Soft Dry Operation
Auto Operation
The temperature and fan speed are automatically set by the electronic controls based on the actual
3room temperature. If you want to change the set temperature, close the door on the remote control
and 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 then be changed.
The temperature can be set within a range of -2~2 by 1 level.
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
AUTO
Cold Cool
Proper
Warm Hot
To raise the Temperature.
(This indication will be shifted to the initial
Auto Mode Display state after 5 seconds.)
To lower the Temperature.
During Auto Operation:
■ You cannot switch 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 to cooling, 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
FAN Operation Mode
Press the On/Off Button.
1
Press FAN Operation Button.
2
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
HI
Each time Fan Speed button is pressed, the fan speed mode is shifted in the arrow
3direction.
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
HI
• Fan speed is high.
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
MED
• Fan speed is medium.
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
LO
• Fan speed is low.
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Operating Instructions
Comfort Operation with Swirl
• It is the function for comfort cooling/heating operation.
• The diagonal two louvers are opened the more larger than the other louvers.
After one minute, it is opposite.
Press the On/Off Button.
1The unit will respond with a
beep.
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
Press the Swirl Button to operate
HI
2comfort cooling or heating.
Then it will be changed the open
angle of two horizontal louvers.
To cancel the Swirl Mode, press the Swirl
Timer
Cancel
2ndF
3Button again.
Program Week Holiday
Set/Clr
Plasma
RESET
Hour
Min
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Operating Instructions
Vane Control
You can change the open angle to the install situation.
Press the On/Off Button.
1
Press the right arrow and auto swing button simultaneously for three seconds.
2Then the display will be toggled like before.
Detach your finger from buttons at the moment that it is displayed "P0" in the operation
display.
+
Min
Press the Auto Swing button again.
3Then it will be changed the open angle of two horizontal louvers.
(from P0 to P5)
Press the right arrow button and Auto Swing button to finish the setting.
4
+
Min
Press the left arrow button and Auto Swing button for three seconds in order
5to set the other two louvers. Next procedure is the same before.
+
Hour
Although the air conditioner is turned ON/OFF, the previous setting position is not changed
6If you want to set the default position, you have to set the "P0". Because the default is the
"P0".
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Operating Instructions
Auto Swing Mode
Press the On/Off
Press the Auto Swing
Press again the Auto
1button.
2button then the
3Swing button to
(Confirm the unit
on operation.)
horizontal
cancel the
Auto Swing mode.
louvers swing
up and down
automatically.
Child Lock Function
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
This is the Function that any children cannot used to the air-conditioner.
Operation procedure
To set the Child-Lock Function
1
Press the Timer button and Minute Set button for three seconds. Then the operation
mode shift to child lock mode and it is displayed ‘ CL ’ in the operation display.
When you press any button in this time, the remote controller is not converted to any
selected mode and the ‘ CL ’ is displayed in the remote controller for about three
seconds. But the Room Temperature function is operated in spite of child lock mode.
Timer
Cancel
2ndF
ogram Week Holiday
Set/Clr
Plasma
Hour
Min
To cancel the Child-Lock Function
2
Press the Timer button and Minute Set button for three seconds. Then the child-
lock mode is cancelled and the preselected mode is displayed in the remote
controller.
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 fan speed is recommended when you wish to
cool the room quickly.
High
Speed
Owner's Manual 21
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Operating Instructions
Forced Operation
Operation procedures when the remote control can't be used.
Press the tact switch (Forced operation) for 2 seconds.
If you want to stop operation, press again the tact switch.
In case the power comes on again after power failure on the Forced
Operation mode, the operating conditions are automatically set as
follows:
Forced operation
(Tact switch)
During Forced Operation, the initial mode continues.
Heat pump Model
Cooling Model
Room Temp. ≥ set Temp.-2°C Room Temp. < set Temp.-2°C
Operating mode
Indoor FAN Speed
Setting Temperature
Cooling
High
Cooling
Heating
set available
set available
set available
set available
22°C
Auto Restart Function
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.
Tips for Filter sign LED
1
2
Filter sign lamp (LED) is ON.
If LED indicating filter sign lamp is ON, clean the filter.
After cleaning the filter, press the Timer button and
Then filter sign LED is OFF.
button of wired remote controller at the same time for 3 sec.
3
PLASMA Purification Operation
Press the On/Off button. The unit will
respond with a beep.
AUTO SWING OPERATION
SET TEMP
FAN SPEED SUB FUNCTION
HI
1
2
Open the door on the remote control. Press the
PLASMA air purifying operation ON/OFF button.
Operation will start when the button is pressed and
stop when the button is pressed again.
Plasma
Timer
Cancel
2ndF
Program Week Holiday
Set/Clr
Set the fan speed again with door of the remote
control closed. You can select the fan speed in four
steps-low, medium, high or Auto.
Each time the button is pressed, the fan speed
mode is shifted.
Plasma
RESET
3
Hour
Min
22 Cassette- Type Air Conditioner
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Maintenance and Service
Maintenance and Service
Indoor Unit
Grille, Case and Remote Control
■ Turn the system off before cleanining, To clean, wipe
with a soft, dry cloth. Do not use bleach or abrasives.
NOTICE
Supply power must be disconnected before cleaning
the indoor unit.
Anti-
Air
Intake
bacteria
filter
Air Filters
Air Outlet
Remote
The air filters behind the front grille should be checked
Controller
and cleaned once every 2 weeks or more often if
neccessary.
Remove the Air filters.
■■Take hold of the tab and pull slightly
forward to remove the filter.
1
CAUTION: When the air filter is to
be removed, do not touch the metal
parts of the indoor unit.
Rack
It may cause an injury.
Clean dirt from the air filter using a vacuum
cleaner or washing with water.
Air Filter
2
■■If dirt is conspicuous, wash with a neutral
detergent in lukewarm water.
■■If hot water (50°C or more) is used, it may
be deformed.
■■Never use any of the followings:
• Water hotter than 40°C.
Could cause deformation and/or discoloration.
After washing with water, dry well in
• Volatile substances.
Could damage the
surfaces of the air
conditioner.
3
the shade.
■■Do not expose the air filter to direct
sunlight or heat from a fire when drying it.
Install the air filter.
4
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Owner's Manual 23
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Maintenance and Service
Purifying filter
Cleaning
After removing the air filters, pull slightly
forward to remove the PLASMA filter.
1
2
3
The PLASMA filter behind the air filters should be
checked and cleaned once every 3 months or more
often if necessary.
Dip the PLASMA filter into the water mixed
with neutral detergent, for 20~30 minutes.
Dry the PLASMA filter in the shade for a day
(Especially, the humidity must be removed
perfectly on this parts).
4
5
Note the cuts of electric discharge lines.
Re-install the PLASMA filter to the original
position.
CAUTION:Don’t touch this
PLASMA Filter within 10 seconds
after opening the inlet grille, it
may cause an electric shock.
Replacement
• Recomended use period : About 2 years
Open front panel and remove air
filter.
1
Reinsert air filter and close front
panel.
4
2
3
Remove air purifying filter.
Insert new air purifying filter.
2
1
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Maintenance and Service
When the air conditioner is not GOING to be used for a long time.
When it is not going to be used for
When the air conditioner is to be used again.
a long time.
Clean the air filter and install it in the
indoor unit.
(Refer to page 24 for cleaning it.)
Operate the air conditioner at the
following settings for 2 to 3 hours.
• Type of operation: Fan operation
mode.(Refer to page 18.)
1
2
1
2
3
• This will dry out the internal mechanisms.
Check that the air inlet and outlet of
the indoor/outdoor unit are not
blocked.
Turn off the breaker.
CAUTION: Turn off the breaker
when the air conditioner is not going
to be used for a long time.
Check that the ground wire is
connected correctly. It may be
connect to the indoor unit side.
Dirt may collect and may cause a fire.
Helpful information
The air filters and your electiric bill.
If the air filters become clogged with dust, the
cooling capacity will drop, and 6% of the
electricity used to operate the air conditioner will
be wasted.
Operation Tips
Do not overcool the room.
Keep blinds or curtains
closed.
Keep the room temperature
uniform.
This is not good for the health
and wastes electricity.
Do not let direct sunshine enter
the room when the air
Adjust the vertical and horizontal
airflow direction to ensure a
conditioner is in operation.
uniform temperature in the room.
Make sure that the doors
and windows are shut tight.
Clean the air filter
regularly.
Ventilate the room
occasionally.
Avoid opening doors and
windows as much as possible to
keep the cool air in the room.
Blockages in the air filter reduce
the airflow and lower cooling and
dehumidifying effects. Clean at
least once every two weeks.
Since windows are kept closed,
it is a good idea to open them
and ventilate the room now and
then.
Owner's Manual 25
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Maintenance and Service
Troubleshooting
Check the following points before requesting repairs or service.... If the malfunction persist, please contact your
dealer.
Case
Explanation
See page
13
-
• Have you made a mistake in timer operation?
The air conditioner does not
operate.
• Has the fuse blown or has the circuit breaker
been tripped?
• Check that this is not a damp smell exuded by
the walls, carpet, furniture or cloth items in the
room.
The room has a peculiar odor.
-
-
• Condensation occurs when the airflow from the
air conditioner cools the warm room air.
It seems that condensation is
leaking from the air conditioner.
• This is the protector of the mechanism.
Air conditioner does not operate
for about 3 minutes when restart.
-
• Wait about three minutes and operation will
begin.
• Is the air filter dirty? See air filter cleaning
instructions.
Does not cool or heat effectively.
24
• The room may have been very hot when the
room air conditioner was first turned on. Allow
time for it to cool down.
• Has the setting temperature been set incorrectly?
15, 17
-
• Are the indoor unit's air inlet or outlet vents
obstructed?
• For a noise that sounds like water flowing.
The air conditioner operation is
noisy.
-This is the sound of freon flowing inside the air
conditioner unit.
-
• For a noise that sounds like the compressed air
releasing into atmosphere.
-This is the sound of the dehumidifying water
being processed inside the air conditioning unit.
• This sound is generated by the
Crack sound is heard.
expansion/contraction of the inlet grille, etc. due
to changes of temperature.
• Has the circuit breaker been tripped?
• Are the batteries inserted in the opposite (+) and
(-) directions?
Remote control display is faint, or
no display at all.
26 Cassette- Type Air Conditioner
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P/No.: 3828A22005P
Printed in Korea
After reading this manual, keep it in a place easily accessible to the user for future reference.
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