LG Multi Type Air Conditioner User manual

ENGLISH
LG Ceiling Cassette-Type
Air Conditioner
OWNER'S MANUAL
LG
Visit us at http://www.lgservice.com
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.
ITALIANO ESPAÑOL FRANÇAIS DEUTSCH
Dear Owner
Thank you for installing LG Air Conditioner.
Your best choice guarantees you a great
performance and service to make your life
comfortable & pleasant.

2Ceiling Cassette-Type Air Conditioner
Ceiling Cassette- Type Air Conditioner Owner’s Manual
TABLE OF CONTENTS
FOR YOUR RECORDS
Write the model and serial numbers here:
Model #
Serial #
You can find them on a label on the side of each unit.
Dealer's Name
Date Purchased
■ Staple your receipt to this page in the event you need it
to prove date of purchase or for warranty issues.
READ THIS MANUAL
Inside you will find many helpful hints on how to use and
maintain your air conditioner properly. Just a little
preventive care on your part can save you a great deal
of time and money over the life of your air conditioner.
You'll find many answers to common problems in the
chart of troubleshooting tips. If you review our chart of
Troubleshooting Tips first, you may not need to call for
service at all.
PRECAUTION
•Contact the authorized service technician for repair or
maintenance of this unit.
• Contact the installer for installation of this unit.
• The air conditioner is not intended for use by young
children or invalids without supervision.
• Young children should be supervised to ensure that
they do not play with the air conditioner.
• When the power cord is to be replaced, replacement
work shall be performed by authorized personnel only
using only genuine replacement parts.
• Installation work must be performed in accordance
with the National Electric Code by qualified and
authorized personnel only.
A. Safety Precautions .......................3
B. Product Introduction....................6
1. Name and function of parts .......6
2. What to do before operation......6
3. Operation Indication Lamps ......6
4. Wired Remote Controller...........7
5. Wireless Remote Controller
(optional) ...................................8
C. Operating Instructions.................9
1. Set the Current Time and day
of the Week ...............................9
2. Weekly Programming ..............10
3. Holiday Setting ........................11
4. Timer Setting ...........................11
5. Operation Mode.......................12
6. Cooling/Heating
Operation Mode.......................12
7. For Heat Pump Type ...............13
8. Soft Dry Operation Mode.........13
9. Auto Operation Mode
(Cooling Type) ......................13
10. Auto Operation Mode
(Heat Pump Type) ..................14
11. Fan Operation Mode .............14
12. Jet Cool Operation Mode ......15
13. Vane Control .........................16
14. Comfort Operation with Swirl
(4-Way Model).......................17
15. Auto Swing Mode ..................17
16. Child Lock Function...............17
17. Forced Operation ..................18
18. Auto Restart Function............18
19. Plasma Purification
20. Operation (Optional)..............18
D. Maintenance and Service ..........19
1. Indoor Unit...............................19
2. Purifying filter(Optional)...........20
3. Operation Tips!........................21
4. Troubleshooting Tips! Save
time and money!.....................22
5. Call the service immediately
in the following situations ........22

Safety Precautions
Owner's Manual 3
ENGLISH
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.
WARNING
CAUTION
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage.
WARNING
Always ground the product.
• There is a risk of electric shock.
Do not use a defective or underrated
circuit breaker. Use the correctly rated
breaker and fuse.
• There is risk of fire or electric shock .
Do not use a multi consent. Always use
this appliance on a dedicated cicuit and
breaker.
• Otherwise it can cause electric shock or fire.
For electrical work, contact the dealer, seller,
a qualified electrician, or an Authorized
Service Center. Do not disassemble or repair
the product by yourself.
• There is risk of fire or electric shock.
Always ground the product as per the
wiring diagram. Do not connect the
ground wire to gas or water pipes
lightening rod or telephone ground wire.
• There is risk of fire or electric shock.
Install the panel and the cover of control
box securely.
• There is risk of fire or electric shock due to
dust , water etc.
Use the correctly rated breaker or fuse.
• There is risk of fire or electric shock.
Do not modify or extend the power cable.
If the power cable or cord has scrathes or
skin peeled off or deteriorated then it
must be replaced.
• There is risk of fire or electric shock.
For installation, removal or reinstall ,
always contact the dealer or an
Authorized Service Center.
• There is risk of fire, electric shock, explosion,
or injury.
Do not install the product on a defective
installation stand. Be sure that the
installation area does not deteriorate with
age.
• It may cause product to fall.
Never install the outdoor unit on a
moving base or a place from where it
can fall down.
• The falling outdoor unit can cause damage or
injury or even death of a person.
When the product is soaked (flooded or
submerged) in water , contact an
Authorized Service Center for repair
before using it again.
• There is risk of fire or eletric shock.
Be sure to check the refrigerant to the
used. Please read the label on the product.
• Incorrect refrigerant used can prevent the
normal operation of the unit.
Don't use a power cord, a plug or a loose
socket which is damaged.
• Otherwise it may cause a fire or electrical
shock.
Do not touch , operate, or repair the
product with wet hands. Hold the plug by
hand when taking out
• There is risk of electric shock or fire.
Do not place a heater or other heating
appliances near the power cable.
• There is risk of fire and electric shock.
Do not allow water to run into electric
parts. Install the unit away from water
sources.
• There is risk of fire, failure of the product, or
electric shock.
Do not store or use or even allow
flammable gas or combustibles near the
product.
• There is risk of fire.

Safety Precautions
4Ceiling Cassette-Type Air Conditioner
Indoor/outdoor wiring connections must
be secured tightly and the cable should
be routed properly so that there is no
force pulling the cable from the
connection terminals.
• Improper or loose connections can cause
heat generation or fire.
Safely dispose off the packing materials.
Like screws, nails, batteries, broken
things etc after installation or svc and
then tear away and thraw away the plastic
packaging bags.
• Children may play with them and cause
injury.
Make sure to check that the power cable
plug is not dirty, loose or broken and
then only insert the plug completely.
• Dirty, loose or broken power plug can
cause electric shock or fire.
Do not use the product in a tightly closed
space for a long time. Perform ventilation
regularly.
• Oxygen deficiency could occur and hence
harm your health.
Do not open the front grille of the product
during operation. (Do not touch the
electrostatic filter, if the unit is so equipped.)
• There is risk of physical injury, electric shock,
or product failure.
If strange sounds, smell or smoke comes
from product.Immediately turn the breaker
off or disconnect the power supply cable.
• There is risk of electric shock or fire.
Ventilate the product room from time to
time when operating it together with a
stove, or heating element etc.
• Oxygen deficiency can occur and hence harm
your health.
Turn the main power off and unplug the
unit when cleaning or repairing the
product.
• There is risk of electric shock.
When the product is not to be used for a
long time, disconnect the power supply
plug or turn off the breaker.
• There is risk of product damage or failure, or
unintended operation.
Take care to ensure that nobody
especially kids could step on or fall onto
the outdoor unit.
• This could result in personal injury and
product damage.
Take care to ensure that power cable
could not be pulled out or damaged
during operation.
• There is risk of fire or electric shock.
Do not place ANYTHING on the power
cable.
• There is risk of fire or electric shock.
Do not plug or unplug the power supply plug to turn the unit
ON/OFF .
• There is risk of fire or electric shock.
When flammable gas leaks, turn off the gas and open a window
for ventilation before turn the product on.
• Do not use the telephone or turn switches on or off. There is risk of
explosion or fire.
CAUTION
Two or more people must lift and
transport the product.
• Avoid personal injury.
Do not install the product where it will be
exposed to sea wind (salt spray) directly.
• It may cause corrosion on the product.
Install the drain hose to ensure that the
condensed water is drained away properly.
• A bad connection may cause water leakage.
Keep level even when installing the
product.
• To avoid vibration or noise.
Do not install the product where the noise
or hot air from the outdoor unit could
damage or disturb the neighborhoods.
• It may cause a problem for your neighbors
and hence dispute.
Always check for gas (refrigerant)
leakage after installation or repair of
product.
• Low refrigerant levels may cause failure of
product.
In outdoor unit the step-up capacitor
supplies high voltage electricity to the
electrical components. Be sure to
discharge the capacitor completely
before conducting the repair work.
• An charged capacitor can cause electrical
shock.
When installing the unit, use the
installation kit provided with the product.
• Otherwise the unit may fall and cause severe
injury.
Be sure to use only those parts which
are listed in the svc parts list. Never
attempt to modify the equipment.
• The use of inappropriate parts can cause an
electrical shock, excessive heat generation or
fire.

Safety Precautions
Owner's Manual 5
ENGLISH
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.
• There is risk of damage or loss of property.
Do not block the inlet or outlet of air flow.
• It may cause product failure.
Use a soft cloth to clean. Do not use
harsh detergents, solvents or splashing
water etc .
• There is risk of fire, electric shock, or damage
to the plastic parts of the product.
Do not touch the metal parts of the
product when removing the air filter.
• There is risk of personal injury.
Do not step on or put anyting on the
product. (outdoor units)
• There is risk of personal injury and failure of
product.
Always insert the filter securely after
cleaning. Clean the filter every two weeks
or more often if necessary.
• A dirty filter reduces the efficiency.
Do not insert hands or other objects
through the air inlet or outlet while the
product is operating.
• There are sharp and moving parts that could
cause personal injury.
Be cautious when unpacking and
installing the product.
• Sharp edges could cause injury.
If the refrigerant gas leaks during the
repair, do not touch the leakaing
refrigerant gas.
• The refrigernat gas can cause frostbite (cold
burn)
Do not tilt the unit when removing or
uninstalling it.
• The condensed water inside can spill .
Do not mix air or gas other than the
specified refrigerant used in the system .
• If air enters the refrigerant system, an
excessively high pressure results, causing
equipment damage or injury.
If the refrigerant gas leaks during the
installation, ventilate the area immediately.
• Otherwise it can be harmfull for your health.
Dismantling the unit, treatment of the
refrigerant oil and eventual parts should
be done in accordance with local and
national standards.
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.
• There is risk of fire or product failure.
Do not recharge or disassemble the
batteries. Do not dispose off batteries in
a fire.
• They may burn or explode.
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.
• The chemicals in batteries could cause burns
or other health hazards.
If you eat the liquid from the batteries,
brush your teeth and see doctor.
Do not use the remote if the batteries
have leaked.
• The chemicals in batteries could cause
burns or other health hazard.
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.
• Moisture may condense and wet or damage
furniture.
Do not expose your skin or kids or
plants to the cool or hot air draft.
• This could harm to your health.
Do not drink the water drained from the
product.
• It is not sanitary and could cause serious
health issues.
Use a firm stool or ladder when cleaning,
maintaining or repairing the product at
an height.
• Be careful and avoid personal injury.

6Ceiling Cassette-Type Air Conditioner
Product Introduction
Product Introduction
Operation Indication Lamps
1: Indoor unit
2: Outdoor unit
3: Remote controller
4: Inlet air
5: Discharge air
6: Refrigerant piping, connection
electric wire
7: Drain pipe
8: Ground wire
Wire to ground outdoor unit to
prevent electrical shocks.
If your installation has a customized
control system, ask your LG dealer for
the operation that corresponds to your
system.
A: Pair system or simultaneous
operation system
B: Multi system
1: Unit with remote controller
2: Unit without remote controller (when
used as simultaneous operation)
A
B
12
11
3
67
2
8
: Lights up during the system operation.
Filter Sign : Lights up after 2400 hours from the time of first operating unit.
Timer : Lights up during Timer operation.
Defrost Mode : Lights up during Defrost Mode or Hot Start operation.(Heat pump model only)
Outdoor unit
operation (Cooling type)
On/Off
1
5
: Lights up during outdoor unit operation.
Forced : To operate the unit when the remote control can't be used
for any reason.
44
Name and function of parts
What to do before operation

Owner's Manual 7
ENGLISH
Product Introduction
Timer Cancel
Program Week
Hour Min
Holiday
Set/Clr
RESET
Plasma
ZONE
1234
Operation unit
Humidify JET
AUTO
AUTO SWING OPERATION FAN SPEED
Program set
SUB FUNCTION SET TEMP
Room Temp
HI
MED
LO
Heater
Defrost
Filter
Preheat
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
10
12
14
15
11
13
18
16
2
5
4
6
8
9
7
17
Timer
Program
Hour
Cancel 2ndF
Week Holiday
Set/Clr
Min
RESET
PLASMA
ZONE
1234
Operation unit No Func
Humidify JET
SLo
AUTO
AUTO SWING OPERATION FAN SPEED
Program set
SUB FUNCTION SET TEMP
Room Temp
HI
MED
LO
Heater
Defrost
Filter
Preheat
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
2ndF
1
17 3
2
4
5
6
7
8
9
18
13
14
15
16
20
Type 1 Type 2
1
19
10
11
12
3
Wired Remote Controller
1. Operation Display
2. On/Off Button
3. Set Temperature Button
4. FAN Operation Button
5. Fan Speed (Jet Cool Button: 4 way Type)
6. Operation Mode Selection Button
7. Auto Swing Button
8.
Room Temperature Checking Button
9. Plasma Air Clean Button/Heater
10. Weekly Timer cancel
11. Timer Set Button
12. Week Button
13. Program Button
14. Holiday Button
15. Time Set Button
16. Set And Clean
17. Swirl Button (4 Way)
Jet Cool Button or No Function(1Way)
18. Reset Button
19. 2nd F Button
20. Operation Lamp
❈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.
❈
The actual product can be different from above contents depending upon model type.
Cooling Operation
Soft Dry Operation
Operation Mode
Heating Operation
Auto Operation
• Cooling Model( ), Heat Pump Model( )
NOTE

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)
❈
The wireless remote controller do not operate the swirl mode.(4Way Type)
❈ For more details refer to the Wireless Remote Control Accessory manual.
❈ The actual product can be different from above contents depending upon model type.
NOTE
8Ceiling Cassette-Type Air Conditioner
Product Introduction
Wireless Remote Controller (optional)
This air-conditioner is equipped with wired remote controller basically. But if you want to be available with
wireless remote controller, you pay for it.
1. ON/OFF BUTTON
Used to Turn off/on the unit.
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 BUTTON
Used to start or stop the speed cooling.
(Speed cooling operates super high fan speed.)
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.
8. TIME SETTING BUTTONS
Used to adjust the time.
9. TIMER SET/CANCEL BUTTON
Used to set and to cancel the Timer operation.
10. SLEEP MODE AUTO BUTTON
Used to set Sleep Mode Auto operation.
11. AIR CIRCULATION BUTTON
Used to circulate the room air without cooling or heating.
12. ROOM TEMPERATURE CHECKING BUTTON
Used to check the room temperature.
13. PLASMA
Used to start or stop the plasma-purification function.
14. RESET BUTTON
Initialize remote controller.
15. 2nd F Button
Used prior to using modes printed in blue at the bottom of buttons.
AUTO CLEAN
ON OFF
CANCEL
SET
Flip-up door
(opened)
Signal transmitter
51
3
10
9
12
15
6
4
2
7
11
8
13
14

Owner's Manual 9
ENGLISH
Operating Instructions
Operating Instructions
HI
ZONE
Operation unit Program set
Room Temp
MED
LO
AUTO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
OPERATION FAN SPEED SUB FUNCTION SET TEMP
Time
AUTO SWING
HI
ZONE
Operation unit Program set
Room Temp
MED
LO
AUTO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
OPERATION FAN SPEED SUB FUNCTION SET TEMP
Time
AUTO SWING
HI
ZONE
Operation unit Program set
Room Temp
MED
LO
AUTO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
OPERATION FAN SPEED SUB FUNCTION SET TEMP
Time
AUTO SWING
HI
ZONE
Operation unit Program set
Room Temp
MED
LO
AUTO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
OPERATION FAN SPEED SUB FUNCTION SET TEMP AUTO SWING
Hour
Min
Week
RESET
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.
1
Press the ' ' button.
Each time the button is pressed, the number is changed from 00 to 23.
You can set the number of the current hour.
2
Press the ' ' button.
Each time the button is pressed, the number is increased from 00 to 59.
You can set the number of the current minute.
3
Press ' ' button.
Each time the button is pressed, a day of the week is shifted from sunday to saturday.
You can set the day of the week.
4
Press the ' ' button.
If you want to reset the current time and a day of the week, click the Reset button.
Hour
Min
Week
RESET

10 Ceiling Cassette-Type Air Conditioner
Operating Instructions
Weekly Programming
Program
SET/CLR
MinHour
Time
HI
ZONE
Operation unit
Room Temp
MED
LO
AUTO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Timer
On
Set no.
Off
1234
OPERATION FAN SPEED SUB FUNCTION SET TEMP
Program set
01 03 05 07 09 11 13 15 17 19 21 23
Time
AUTO SWING
Week
Time
HI
ZONE
Operation unit
Room Temp
MED
LO
AUTO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Timer
On
Set no.
Off
1234
OPERATION FAN SPEED SUB FUNCTION SET TEMP
01 03 05 07 09 11 13 15 17 19 21 23
Time
AUTO SWING
Program set
Program set
Time
HI
ZONE
Operation unit
Room Temp
MED
LO
AUTO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Timer
On
Set no.
Off
1234
OPERATION FAN SPEED SUB FUNCTION SET TEMP
01 03 05 07 09 11 13 15 17 19 21 23
Time
AUTO SWING
01 03 05 07 09 11 13 15 17 19 21 23
Time
Program set
Time
HI
ZONE
Operation unit
Room Temp
MED
LO
AUTO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Timer
On
Set no.
Off
1234
OPERATION FAN SPEED SUB FUNCTION SET TEMP AUTO SWING
01 03 05 07 09 11 13 15 17 19 21 23
Time
Program set
Time
HI
ZONE
Operation unit
Room Temp
MED
LO
AUTO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Timer
On
Set no.
Off
1234
OPERATION FAN SPEED SUB FUNCTION SET TEMP AUTO SWING
Program
1
Press the Program button.
The remote controller display becomes as shown below. Then ' ', ' ' and '01' is blinked.
Program set
2
Press the ' ' button.
e.g. To select Thu, press the button 4 times
Week
3
Select the time you want.
If you press or button, then indication part blinks to select On/Off hours
If you press button at the selected hour, then indication part is stored
as unit's On time.
If you press it again, then that hour is skipped
For example: Over here, the unit is turned On at 6~8 & 13~22 hours
and remains Off during rest of time. (Black Bar indicates On hour and
no bar indicated Off hour interval)
Similarly you can do the settings for rest of days of the week.
5
The same setting continues following weeks unless you don’t do setting again.
If you want to keep the settings only for I week, follow the steps below
1) Press “CANCEL”& “SET/CLR”buttons simultaneously.
Then the display becomes as shown in figure below.
4
Press the Program button again to finish Weekly
Programming.
2) Detach your fingers when the display becomes as shown in figure above .
Now the weekly program is stored for one week only.
This function can not be applicable to some models.
NOTE
Hour
Min
SET/CLR

Owner's Manual 11
ENGLISH
Time
HI
ZONE
Operation unit
Room Temp
MED
LO
AUTO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Timer
On
Set no.
Off
1234
OPERATION FAN SPEED SUB FUNCTION SET TEMP
Program set
01 03 05 07 09 11 13 15 17 19 21 23
Time
AUTO SWING
Time
HI
ZONE
Operation unit
Room Temp
MED
LO
AUTO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Timer
On
Set no.
Off
1234
OPERATION FAN SPEED SUB FUNCTION SET TEMP
01 03 05 07 09 11 13 15 17 19 21 23
Time
AUTO SWING
Program set
Program set
Time
HI
ZONE
Operation unit
Room Temp
MED
LO
AUTO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Timer
On
Set no.
Off
1234
OPERATION FAN SPEED SUB FUNCTION SET TEMP
01 03 05 07 09 11 13 15 17 19 21 23
Time
AUTO SWING
Program set
Time
HI
ZONE
Operation unit
Room Temp
MED
LO
AUTO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
On
Set no.
1234
OPERATION FAN SPEED SUB FUNCTION SET TEMP
01 03 05 07 09 11 13 15 17 19 21 23
Time
AUTO SWING
Timer
Off
Program
Week
Holiday
Timer
Timer
Operating Instructions
Holiday Setting
Timer Setting
If Tuesday is a holiday in this week, you may set a holiday.
1
Press the Program button.
2
Press the Week button.
Select Tuesday.
3
Press the Holiday button.
Then the remote controller will display ' '.
The outside rectangular means holiday.
This function is used to set either ON or Off interval once in 24 hrs since the setting was done.
The unit will automatically operate as per the settings.
1
Press the Timer button.
2
Using Hour & Min buttons, change the timer setting
until the desired time is set.
e.g. The unit is turned off after 5 hrs
3
If you want to cancel the timer setting, press the Timer button again.
MinHour
4
Press the Program button again to finish holiday setting.
You can not set On Timer Setting and Off Timer Setting at the same time.
NOTE
You cannot set the weekly program for a holiday.
NOTE

12 Ceiling Cassette-Type Air Conditioner
COOLING TYPE
Cooling Operation Soft Dry Operation
ZONE
Operation unit Program set
Room Temp
MED
LO
AUTO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
HI HI
ZONE
Operation unit Program set
Room Temp
MED
AUTO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
LO
Auto Operation
AUTO
LO
ZONE
Operation unit Program set
Room Temp
MED JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
HI
Operation Display
ZONE
Operation unit Program set
Room Temp
MED
LO
AUTO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
HI HI
ZONE
Operation unit Program set
Room Temp
MED
AUTO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
LO
ZONE
Operation unit Program set
Room Temp
MED
LO
AUTO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
HI HI
ZONE
Operation unit Program set
Room Temp
MED
LO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
AUTO
HEAT PUMP TYPE
Cooling Operation Soft Dry Operation Heating Operation Auto Operation
Operation Display
To raise the Temperature.
To lower the Temperature.
ZONE
Operation unit Program set
Room Temp
MED
LO
AUTO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
HI
Type 1 Cooling mode : Super Low Low Mid High Auto Power
Heating mode : Super Low Low Mid High Auto
Type 2 Cooling mode : Low Mid High Auto Power
Heating mode : Low Mid High Auto
Operating Instructions
Operation Mode
Cooling/Heating Operation Mode
2
Select the desired Operation.
Press the Operation Mode Selection Button.
Each time the button is pressed, the operation mode is shifted as shown in the arrow direction.
1
Press the On/Off Button.
4Set the fan speed.
3Set the desired temperature.
Cooling Mode
Setting temperature range is 18~30°C
Heating Mode
Setting temperature range is 16~30°C
•Each time the button is pressed, The fan speed mode is changed.
•The inital fan speed during the operation is "High"
The fan speed mode differs from model to model.
NOTE

Owner's Manual 13
ENGLISH
ZONE
Operation unit Program set
Room Temp
MED
LO
AUTO
JET
Heater
Defrost
Filter
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
HI Preheat
Preheat
ZONE
Operation unit Program set
Room Temp
MED
LO
AUTO
JET
Heater
Filter
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
HI
Defrost
HI
ZONE
Operation unit Program set
Room Temp
MED
LO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
AUTO
To raise the Temperature.
To lower the Temperature.
Cold Cool Proper Warm Hot
Operating Instructions
Soft Dry Operation Mode
5This air-conditioner is set to the hot start control in order not
to discharge the cold air during the heating operation. This
time, the remote controller indicates ‘Preheat’.
6If the outdoor temperature is too low during the heating
operation, this air-conditioner is set to the defrosting
operation and the remote controller indicates ‘Defrost’.
For Heat Pump Type
7
Soft Dry Operation is used to remove the humidity softly without overcooling the room, specially when the
humidity is already low.
The indoor fan speed is automatically set to the low. But you can change it. Soft dry operation cancels and
becomes the cooling operation if you press the operation mode selection button.
Auto Operation Mode (Cooling Type)
8
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, 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.
(This indication will be shifted to the initial
Auto Mode Display state after 5 seconds.)
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.

14 Ceiling Cassette-Type Air Conditioner
HI
ZONE
Operation unit Program set
Room Temp
MED
LO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
AUTO
To raise the Temperature.
To lower the Temperature.
ZONE
Operation unit Program set
Room Temp
MED
LO
AUTO
JET
Heater
Defrost
Filter
Preheat
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
HI
1Press the On/Off Button.
2Press FAN Operation Button.
3Each time Fan Speed button is pressed, the fan speed mode is changed.
Operating Instructions
Auto Operation Mode (Heat Pump Type)
Fan Operation Mode
9The setting temperature
can be changed, when
the set temperature
button is pressed.
•The temperature can be set
within a range of 18°C~30°C
by 1°C.
Auto Change Over Operation(Pair system):
❏You can switch the indoor fan speed.
❏ The system will automatically switch from the cooling mode to the heating mode, or from heating to cooling,
when you select Auto Opration mode.
Auto Operation(Multi system or Simultaneous system):
❏You can switch the indoor fan speed.
❏ 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, then you must set the mode and the desired
temperature again.
This funcion is used to circulate room air without cooling or heating.

Owner's Manual 15
ENGLISH
Operating Instructions
Timer Cancel
Program Week
Hour Min
Holiday
SET/CLR
RESET
ZONE
1234
Operation unit
Humidify
AUTO
Program set
Room Temp
HI
MED
LO
Heater
Defrost
Filter
Preheat
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
JET
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
Plasma
1
2
Timer Cancel
Program Week
Hour Min
Holiday
SET/CLR
RESET
ZONE
1234
Operation unit
Humidify
AUTO
Program set
Room Temp
HI
MED
LO
Heater
Defrost
Filter
Preheat
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
JET
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
Plasma
1
2
❏ The Jet Cool function is especially used to cool the room temp. in the shortest time in a hot
summer.
In heating mode however, the Jet Cool function is not available.
NOTE
1Press the On/Off button.
Select Cooling Operation.
2
Press the Jet Cool button to
operate the speed cooling
mode and the unit will operate
in super high fan speed on
cooling mode.
Press the Fan speed button
repeatedly till the operation
display is "Po"
Jet Cool Operation Mode
4Way Model
4Way Model
1way Model
1Way Model

16 Ceiling Cassette-Type Air Conditioner
JET
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
AUTO
LO
HI
ZONE
Operation unit Program set
Room Temp
MED
Heater
Defrost
Filter
Preheat
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
Min
+
Min
+
+
Hour
JET
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
AUTO
LO
HI
ZONE
Operation unit Program set
Room Temp
MED
Heater
Defrost
Filter
Preheat
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
JET
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
AUTO
LO
HI
ZONE
Operation unit Program set
Room Temp
MED
Heater
Defrost
Filter
Preheat
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
JET
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
AUTO
LO
HI
ZONE
Operation unit Program set
Room Temp
MED
Heater
Defrost
Filter
Preheat
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
JET
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
AUTO
LO
HI
ZONE
Operation unit Program set
Room Temp
MED
Heater
Defrost
Filter
Preheat
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
JET
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
AUTO
LO
HI
ZONE
Operation unit Program set
Room Temp
MED
Heater
Defrost
Filter
Preheat
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
JET
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
AUTO
LO
HI
ZONE
Operation unit Program set
Room Temp
MED
Heater
Defrost
Filter
Preheat
Humidify
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
1234
Operating Instructions
1Press the On/Off Button.
2Press the min and auto swing button simultaneously for three seconds.
Detach your fingers when “P0”is displayed in the display panel as shown below
3Press the Auto Swing button again.
Then it will be changed the open angle of two horizontal louvers.
(from P0 to P5)
4Press the right arrow button and Auto Swing button to finish the setting.
5Press the Hour button and Auto Swing button for three seconds in order to set the other
two louvers. Next procedure is same as explained before.
6Although the air conditioner is turned ON/OFF, the previous setting position is not changed
If you want to set the default position, you have to set the "P0". Because the default is the
"P0".
You can change the open angle of the vane to suit the requirement.
Vane Control

Owner's Manual 17
ENGLISH
Operating Instructions
Comfort Operation with Swirl(4Way Model)
•It is the function for a comfortable cooling/heating operation.
•Two opposite louvers are opened wider than rest of two diagonal louvers. After 1 minute, the process
is reversed for other set of louvers. In this way, it continues.
1Press the On/Off Button. 2Press the Swirl Button to
operate comfort cooling
or heating.
3To cancel the Swirl Mode,
press the Swirl Button
again.
ZONE
1234
Operation unit
Humidify JET
AUTO
Program set
Room Temp
HI
MED
LO
Heater
Defrost
Filter
Preheat
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
Timer Cancel
Program Week
Hour Min
Holiday
SET/CLR
RESET
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
Plasma
Auto Swing Mode
Child Lock Function
Operation procedure
1. To set the Child-Lock Function
Press the Timer button and Minute Set button for three seconds.
Then the operation mode shifts to child lock mode and CL is
displayed in the remote controller display.
When you press any button in this time, the remote controller does
not accept the selected mode and 'CL' is displayed in the remote
controller for about three seconds. But the Room Temperature
function is still operating inspite of child lock mode.
2. To cancel the Child-Lock Function
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.
1Press the On/Off
button.
(Confirm the unit
on operation.)
2Press the Auto Swing
button then the
horizontal
louvers swing
up and down
automatically.
The Child Lock function disables all the functions of the remote controller.
3Press again the Auto
Swing button to
cancel the
Auto Swing mode.

18 Ceiling Cassette-Type Air Conditioner
Operation unit
Humidify JET
AUTO
Program set
Room Temp
MED
LO
Heater
Defrost
Filter
Preheat
Out door
Time
Timer
On
Set no. Time
Off
01 03 05 07 09 11 13 15 17 19 21 23
Timer Cancel
Program Week
Hour Min
Holiday
SET/CLR
RESET
Plasma
ZONE
1234
AUTO SWING OPERATION FAN SPEED SUB FUNCTION SET TEMP
HI
Plasma
1
2
3
Forced operation
(Tact switch)
Forced operation
(Tact switch)
Operating Instructions
Plasma Purification Operation (Optional)
Press the On/Off button. The
unit will respond with a beep.
1
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.
2
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.
❈Air purifying operation (PLASMA) with
cooling, heating or any other operations.
3
Tips for Filter sign LED
1. Filter sign lamp (LED) is ON.
2. If LED indicating filter sign lamp is ON, clean the filter.
3. After cleaning the filter
•Remote Controller Type 1 : Press Swirl(4way) or Jet Cool(1way) button + Set
Temperature button + On/Off button at the same time.
•Remote Controller Type 2 : After press the 2ndF button, Press Room
Temperature Checking button
4. Filter sign LED is OFF.
This function operates the unit when the remote control can't
be used for any reason.
The operation will be started if the ON/OFF button is pressed.
If you want to stop operation, re-press the button.
Forced Operation
1When the power has been shut off due to power faiure or other reasons, it is automatically
operated as previous operation condition with the power faiure compensation function.
2In case of power faiure condition, the remote contoller display is off but the settings arte retreved
arter the power recovery.
Auto Restarting Function

Owner's Manual 19
ENGLISH
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.
Supply power must be disconnected before cleaning the indoor unit.
NOTE
Air Filters
The air filters behind the front grille should be checked
and cleaned once every 2 weeks or more often if
neccessary.
■ Never use any of the followings:
•Water hotter than 40°C.
Could cause deformation and/or discoloration.
•Volatile substances.
Could damage the
surfaces of the air
conditioner.
B
e
n
z
e
n
e
S
C
O
U
R
I
N
G
C
L
B
A
R
G
E
R
S
I
N
N
E
R
Rack
Air Filter
Air Filter
Rack
1Remove the Air filters.
■ Take hold of the tab and pull slightly forward to
remove the filter.
CAUTION: When the air filter is to
be removed, do not touch the metal
parts of the indoor unit.
It may cause an injury.
2Clean dirt from the air filter using a vacuum
cleaner or washing with water.
■ 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.
3
After washing with water, dry well in the
shade.
■
Do not expose the air filter to direct sunlight
or heat from a fire when drying it.
4Install the air filter.

20 Ceiling Cassette-Type Air Conditioner
Maintenance and Service
Purifying filter(Optional)
Cleaning
The PLASMA filter behind the air filters should be
checked and cleaned once every 3 months or more
often if necessary.
1After removing the air filters, pull slightly forward to
remove the PLASMA filter.
2Dip the PLASMA filter into the water mixed with neutral
detergent, for 20~30 minutes.
3Dry the PLASMA filter in the shade for a day
(Especially, the humidity must be removed perfectly on
this parts).
4Note the cuts of electric discharge lines.
5Re-install the PLASMA filter to the original position.
Replacement
•Recomended use period : About 2 years
1Open front panel and remove air filter.
2Remove air purifying filter.
3Insert new air purifying filter.
4Reinsert air filter and close front panel.
2
2
3
3
12
CAUTION:Don’t touch this
PLASMA Filter within 10 seconds
after opening the inlet grille, it
may cause an electric shock.