www.lg.com
OWNER’S MANUAL
AIR
CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
4-WAY CEILING CASSETTE, CEILING CONCEALED DUCT
Original instruction
[Representative] LG Electronics Inc. EU Representative :
LG Electronics European Shared Service Center B.V.
Krijgsman 1, 1186 DM Amstelveen, The Netherlands
[Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro,
Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA
P/NO : MFL67870326
ENGLISH
ITALIANO
ESPAÑOL
FRANÇAIS
DEUTSCH
ΕΛΛΗΝΙΚΆ
ČEŠTINA
NEDERLANDS
POLSKI
LIMBA ROMÂNĂ
TIPS FOR SAVING ENERGY
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TIPS FOR SAVING ENERGY
Here are some tips that will help you minimize the power consumption when you use the air
conditioner. You can use your air conditioner more efficiently by referring to the instructions
below:
• Do not cool excessively indoors. This may be harmful for your health and may consume more electricity.
• Block sunlight with blinds or curtains while you are operating the air conditioner.
• Keep doors or windows closed tightly while you are operating the air conditioner.
• Adjust the direction of the air flow vertically or horizontally to circulate indoor air.
• Speed up the fan to cool or warm indoor air quickly, in a short period of time.
• Open windows regularly for ventilation as the indoor air quality may deteriorate if the air conditioner
is used for many hours.
• Clean the air filter once every 2 weeks. Dust and impurities collected in the air filter may block the
air flow or weaken the cooling / dehumidifying functions.
For your records
Staple your receipt to this page in case you need it to prove the date of purchase or for warranty
purposes. Write the model number and the serial number here:
Model number :
Serial number :
You can find them on a label on the side of each unit.
Dealer’s name :
Date of purchase :
IMPORTANT SAFETY INSTRUCTIONS
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IMPORTANT SAFETY INSTRUCTIONS
READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.
Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product
WARNING
!
It can result in serious injury or death when the directions are ignored
CAUTION
!
It can result in minor injury or product damage when the directions are
ignored.
This appliance is intended to be used by expert or trained users in
shops, in light industry and on farms, or for commercial use by lay persons.
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
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• Do not install the product on a defective installation stand. Be sure
• Never install the outdoor unit on a moving base or a place from
• When the product is soaked (flooded or submerged) in water , contact
• Be sure to check the refrigerant to the used. Please read the label on
• Don't use a power cord, a plug or a loose socket which is damaged.
• Do not touch , operate, or repair the product with wet hands. Hold the
• Do not place a heater or other heating appliances near the power
• Do not allow water to run into electric parts. Install the unit away from
• Do not store or use or even allow flammable gas or combustibles
• Indoor/outdoor wiring connections must be secured tightly and the
• Safely dispose off the packing materials. Like screws, nails, batteries,
• Make sure to check that the power cable plug is not dirty, loose or
• In outdoor unit the step-up capacitor supplies high voltage electricity
IMPORTANT SAFETY INSTRUCTIONS
Authorized Service Center. There is risk of fire, electric shock, explosion, or injury.
that the installation area does not deteriorate with age. It may cause
product to fall.
where it can fall down.
The falling outdoor unit can cause damage or injury or even death of
a person.
an Authorized Service Center for repair before using it again. There is
risk of fire or eletric shock.
the product. Incorrect refrigerant used can prevent the normal operation of the unit.
Otherwise it may cause a fire or electrical shock.
plug by hand when taking out. There is risk of electric shock or fire.
cable. There is risk of fire and electric shock.
water sources. There is risk of fire, failure of the product, or electric
shock.
near the product.
There is risk of fire.
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.
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.
broken and then only insert the plug completely. Dirty, loose or broken power plug can cause electric shock or fire.
IMPORTANT SAFETY INSTRUCTIONS
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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.
• 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.
• Do not turn on the breaker or power under condition that front panel,
cabinet, top cover, control box cover are removed or opened. Other-
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• Use a vacuum pump or Inert (nitrogen) gas when doing leakage test
!
• Two or more people must lift and transport the product. Avoid per-
• Do not install the product where it will be exposed to sea wind (salt
• Install the drain hose to ensure that the condensed water is drained
• Keep level even when installing the product. To avoid vibration or
• Do not install the product where the noise or hot air from the outdoor
• Always check for gas (refrigerant) leakage after installation or repair
• Do not use the product for special purposes, such as preserving
• 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
• Do not touch the metal parts of the product when removing the air fil-
• Do not step on or put anyting on the product. (outdoor units) There is
• Always insert the filter securely after cleaning. Clean the filter every
• Do not insert hands or other objects through the air inlet or outlet
• Be cautious when unpacking and installing the product. Sharp edges
IMPORTANT SAFETY INSTRUCTIONS
wise, it may cause fire, electric shock, explosion or death.
or air purge. Do not compress air or Oxygen and Do not use Flammable gases. Otherwise, it may cause fire or explosion. There is the risk
of death, injury, fire or explosion.
CAUTION
sonal injury.
spray) directly. It may cause corrosion on the product.
away properly. A bad connection may cause water leakage.
noise.
unit could damage or disturb the neighborhoods. It may cause a
problem for your neighbors and hence dispute.
of product. Low refrigerant levels may cause failure of product.
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.
splashing water etc. There is risk of fire, electric shock, or damage to
the plastic parts of the product.
ter. There is risk of personal injury.
risk of personal injury and failure of product.
two weeks or more often if necessary. A dirty filter reduces the efficiency.
while the product is operating. There are sharp and moving parts that
could cause personal injury.
could cause injury.
IMPORTANT SAFETY INSTRUCTIONS
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• 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.
• 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.
TABLE OF CONTENTS
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TABLE OF CONTENTS
2 TIPS FOR SAVING EN-
ERGY
3 IMPORTANT SAFETY IN-
STRUCTIONS
9 BEFORE USE
9
Preparing for operation
9
Usage
9
Cleaning and maintenance
9
Service
10 PRODUCT INTRODUC-
TION
10
Name and function of parts (4-WAY CEILING CASSETTE)
10
Name and function of parts (CELING
CONCEALED DUCT)
11
What to do before operation
11
Operation Indication Lamps
12
Wired Remote Controller
13
Wireless Remote Controller (Accessory)
14 OPERATING INSTRUC-
TIONS
14
Standard Operation - Standard Cooling
15
Standard Operation - Power Cooling
15
Standard Operation - Heating Mode
16
Standard Operation - Dehumidification
Mode
16
Auto Changeover Mode
17
Standard Operation - Fan Mode
18
Standard Operation - Auto Operation
Mode
19
Standard Operation - Airflow Setting
20
Standard Operation - Temperature Setting/Room Temperature Check
21
Sub function - Plasma Purification(Accessory)
22
Function setting - Child Lock
23
Function Setting - Change Temp
24
Function setting - Elevation Grill(Accessory)
25
Function setting - Filter Sign Clear
26
Function setting - Vane Angle Control
27
Function setting - Changing Current Time
29
Programming - Simple Reservation
30
Programming : Weekly Reservation
32
Programming - Sleep Reservation
33
Programming - ON Reservation
35
Programming - OFF Reservation
37
Programming : Holiday Reservation
38 MAINTENANCE AND
SERVICE
38
Indoor Unit
39
Purifying filter(Optional)
40
Operation Tips!
40
When the air conditioner is not going....
41
Troubleshooting Tips! Save time and
money!
41
Call the service immediately in the following situations
BEFORE USE
9
BEFORE USE
Preparing for operation
• Contact an installation specialist for installation.
• Use a dedicated circuit.
Usage
• Being exposed to direct airflow for an extended period of time could be hazardous to your health. Do
not expose occupants, pets, or plants to direct airflow for extended periods of time.
• Due to the possibility of oxygen deficiency, ventilate the room when used together with stoves or
other heating devices.
• Do not use this air conditioner for non-specified special purposes (e.g. preserving precision devices,
food, pets, plants, and art objects). Such usage could damage the items.
Cleaning and maintenance
• Do not touch the metal parts of the unit when removing the filter. Injuries can occur when handling
sharp metal edges.
• Do not use water to clean inside the air conditioner. Exposure to water can destroy the insulation,
leading to possible electric shock.
• When cleaning the unit, first make sure that the power and breaker are turned off. The fan rotates at a
very high speed during operation. There is a possibility of injury if the unit’s power is accidentally triggered on while cleaning inner parts of the unit.
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Service
For repair and maintenance, contact your authorized service dealer.
PRODUCT INTRODUCTION
3
7
2
8
6
1
5
4
4
4
2
8
4
5
Remote
Controller
3
Air intake
vents
1
Air outlet
vents
6
7
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PRODUCT INTRODUCTION
Name and function of parts (4-WAY CEILING CASSETTE)
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.
Name and function of parts (CELING CONCEALED DUCT)
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.
What to do before operation
4
A
B
1 1
12
: 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)
On/Off
Forced
•
: To operate the unit when the remote control can't be used
for any reason.
Operation Indication Lamps
PRODUCT INTRODUCTION
If your installation has a customized control system,
ask your LG dealer for
the operation that corresponds to your system.
1: Unit with remote controller
2: Unit without remote controller (when used as si-
multaneous operation)
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PRODUCT INTRODUCTION
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Wired Remote Controller
1
8
7
9
10
11
12
13
15
Please attach the inform label inside of the door.
Please choose proper language depend on your
country.
1 OPERATION INDICATION SCREEN
2 SET TEMPERATURE Button
3 FAN SPEED Button
4 ON/OFF Button
5 OPRATION MODE SELECTION Button
6 WIRELESS REMOTE CONTROLLER RE-
14
2
4
5
6
3
CEIVER
• Some products don't receive the wireless
signals.
7 AIR FLOW Button
8 SUBFUNCTION Button
9 FUNCTION SETTING Button
10 VENTILATION Button
11 RESERVATION
12 UP,DOWN,LEFT,RIGHT Button
• To check the indoor temperature, press
button.
13 ROOM TEMPERATURE Button
14 SETTING/CANCEL Button
15 EXIT Button
* Some functions may not be operated and dis-
played depending on the product type.
NOTE
!
• 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.
• When using simultaneous operation system, whenever press remote controller
button, system will approximately operate
after 1~2 minutes.
PRODUCT INTRODUCTION
Wireless Remote Controller (Accessory)
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.
CAUTION
!
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.
˚C / ˚F (5 s)
(3 s)
• 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)
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NOTE
!
• The wireless remote controller do not operate the vane angle control.(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.
• The wireless remote controller does not
operate When using simultaneous operation system.
OPERATING INSTRUCTIONS
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OPERATING INSTRUCTIONS
Standard Operation - Standard Cooling
It cools the room by comfortable and clean wind.
Press button to turn on the
1
indoor.
Press button to select
2
Cooling operation mode.
Adjust the desired temperature
3
by pressing buttons.
Press button to check the
Room temperature.
When setting the desired
temperature higher than room
temperature, only ventilation
wind is blow out instead of
cooling wind.
* Setting Temp Range : 18˚C~30˚C (64˚F~86˚F)
Standard Operation - Power Cooling
It makes the room cool using pleasant and fresh air quickly.
Press button to trun on the
1
indoor.
Press button to select
2
cooling operation mode.
Press button continuously
3
until 'Po' displayed.
What is Power Cooling?
• Desired temperature: Po (actually 18°C)
• Wind flow: power wind
• Wind direction: fix to air-cooling position
h Partial product has no power air-cooling function.
It make room temperature
drop fast by running
}
Standard Operation - Heating Mode
It supplies warm wind to the indoor.
OPERATING INSTRUCTIONS
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Press button to turn on the
1
indoor.
Press button to select
2
Heating mode.
(To check the indoor temperature,
press the room temperature button.)
Adjust the desired temperature
3
by pressing buttons.
When setting the desired
temperature lower than room
temperature, there is only
ventilation wind.
• Heating drive only operates at the cooling and heating model.
• Heating doesn't operate at cooling exclusive model.
OPERATING INSTRUCTIONS
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Standard Operation - Dehumidification Mode
It removes humidity while air-cooling weakly.
1
2
3
(The initial wind powerfulness of
humidity removal drive is 'weak'.)
• In rainy season or high humidity climate, it is possible to operate simultaneously dehumidifier
and cooling mode to remove humidity effectively.
• The menu item of wind powerfulness might not be partially selected according to the product.
Press button to turn on the
indoor.
Press button to select
Dehumidification mode.
The temperature setting can not be
adjusted during operation this mode.
Press the button to select
airflow rate feeble → weak →
medium → strong → automatic.
Auto Changeover Mode
Press button to turn on the
1
indoor.
Press button to select Auto Changeover Mode.
2
The setting temperature as the right side picture can be set in both
3
cooling/ heating model.
* Setting Temp Range : 18˚C~30˚C.
OPERATING INSTRUCTIONS
Press button to turn on the
indoor.
1
Press button to select Fan
Mode.
2
Every time pressing button, you
can select wind flow in order of
feeble → weak → medium → strong
→ automatic.
When running ventilation,
compressor of AHU doesn't work.
3
Standard Operation - Fan Mode
It blows the air as it is in the indoor, not the cold wind.
• Ventilation drive does not release cool wind but general fan
• Because it releases the wind that has no temperature difference from the room, it functions to
circulate the inside air.
• The menu item of wind powerfulness might not be partially selected according to the product.
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OPERATING INSTRUCTIONS
Press button to turn on the
indoor.
1
Press button to select
Artificial intelligence Mode.
2
You can adjust
the temperature
as the picture on
the right for
cooling and
heating model.
3
For the case of
cooling exclusive,
as the picture on
the right, you can
adjust the
temperature from
hot to cold, from
"-2" to "2" based
on "00".
4
When cold
When cool
When appropriate
When warm
When hot
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Standard Operation - Auto Operation Mode
During operating Auto Operation mode:
• We can use the FAN SPEED button
• We can change manually to other operation mode.
Standard Operation - Airflow Setting
Wind powerfulness : You can simply adjust
desired wind powerfulness.
Please setup desired wind
1
powerfulness by wind powerfulness
button.
• Every time you press wind
powerfulness, you can select the wind flow in
order of ‘feeble → weak → weak medium →
medium → medium strong → strong → power
→ automatic’.
• The menu item might not be partially
selected according to product function.
Wind direction : You can simply adjust desired
wind direction.
OPERATING INSTRUCTIONS
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Please set desired wind direction
1
by pressing button.
You can select wind direction of
(comfortable wind → Up/Down
and Right/Left → Right/Left →
Up/Down) by pressing
button.
Partial item of wind directions
might not be selected according
to product function.
* Some functions may not be operated and displayed
depending on the product type.
OPERATING INSTRUCTIONS
We can simply adjust the desired
temperature.
• Press the buttons to adjust the
desired temperature.
: Increase 1˚C or 2˚F per one time
pressing
: Decrease 1˚C or 2˚F per one time
pressing
Cooling operation:
- The cooling mode doesn't work if
desired temperature is higher than room
temperature Please lower the desired
temperature.
Heating operation:
- The heating mode doesn't work if desired
temperature is lower than room
temperature Please increase the desired
temperature.
1
Whenever press button, the room
temperature will be displayed within 5
seconds.
After 5 seconds, it turns to display the
desired temperature.
Because of location of remote controller,
the real room temperature and the this
displayed value can be different
1
Temperature Setting
Room Temperature Check
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Standard Operation - Temperature Setting/Room Temperature Check
• Room temp: Indicate the current room
temperature.
• Set temp: Indicate the temperature
that user want to set.
* Depend on what kind of controller, the
desired temperature can be adjusted
at 0.5˚C or 1˚F.
• For air-cooling drive, from 18°C to 30°C, and for heating drive, from 16°C to 30°C, you can select desired temperature.
• 5°C is proper for the difference between room and outside temperature.
OPERATING INSTRUCTIONS
Sub function - Plasma Purification(Accessory)
Only products with humidifying function can use this.
The method to setup cleaning air
Repeat pressing button
1
until icon flash.
Operate or cancel Plasma
2
Purification function by pressing
button.
( icon appears/disappears on
display part up
to selection )
After setting, press button
3
to exit.
❈ After setup, it automatically gets out of setup
mode if there is no button input for 25 seconds.
❈ When exiting without pressing set button, the
manipulated value is not reflected.
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• Cleaning air function is additional function and it might not be indicated or operated at the partial
product.
• Cleaning air function is possible only when product is running.
• If you want independent cleaning air drive, please setup cleaning air by pressing additional drive
button at ventilation drive.
* Some functions may not be operated and displayed depending on the product type.
OPERATING INSTRUCTIONS
Press button repeatedly until
the is flashing.
1
If moving to 'setup' icon area by
using button, 'setup' icon
blinks, and child lock function is
setup if pressing button at
that time.
2
When cancelling lock function, if moving
to 'cancel' icon by pressing button
and then, pressing button, child lock
function is cancelled.
3
Press button to exit.
❈ After setup, it automatically gets out of
setup mode if there is no button input
for 25 seconds.
❈ When exiting without pressing set
button, the manipulated value is not
reflected.
4
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Function setting - Child Lock
It is the function to use preventing children or others from careless using.
OPERATING INSTRUCTIONS
23
Function Setting - Change Temp
Change temperature is the function to setup air-cooling and heating drive automatically changeable according to the temperature at artificial intelligence drive mode.
Repeat pressing button until
1
icon flash.
Press button to change.
2
❈ Converting temp value : 1~7
Press button to complete
3
and active the setting process.
Press button to exit or
4
system will automatically release
without any input after 25
seconds.
❈ When exiting without pressing
set button, the manipulated
value is not reflected.
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OPERATING INSTRUCTIONS
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Function setting - Elevation Grill(Accessory)
This function is to move the indoor filter up/down for cleaning filter.
1
2
3
4
5
Press button
Repeat pressing button until
icon flash.
Move to descent using button
and press button will display
descent icon and the up/down grill will
descent.
When up/down grill descents to the
desired position, move to stop icon
suing button and press button
to stop up/down grill.
When filter cleaning is finished, fix the
filter to the up/down grill, move to ascent
icon using button, and press
button to ascent up/down grill.
Press button to exit.
❈ After setup, it automatically
gets out of setup mode if there
is no button input for 60
seconds.
❈ When exiting without pressing set
button, the manipulated value is not
reflected.
• Elevation grill function only operates in the indoor unit with the elevation grill.
* Some functions may not be operated and displayed depending on the product type.
OPERATING INSTRUCTIONS
25
Function setting - Filter Sign Clear
This function is to clear the indicator of indoor filter cleaning.
Press button repeatedly
1
until the is flashing.
When the is flashing, press
2
the to clear this display
• When filter is covered by dust, it will reduce cooling/heating efficiency and accumulate more
electric power. Therefore. do clean the filter whenever cleaning time is expired.
* Filter cleaning indication is automatically cancelled without the separate cancellation after certain pe-
riod of time.
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OPERATING INSTRUCTIONS
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Function setting - Vane Angle Control
This function is to adjust angle at which airflow is blow out.
* Some functions may not be operated and displayed depending on the product type.
Repeat pressing button until
1
icon flash.
Press button to select active vane :
2
1 / 2 / 3 / 4 / All / Standard
Select Vane number using buttons.
❈ Vane number : No. 1, 2., 3, 4, all, or
standard
- Selected vane is in operation.
- Please verify the operating vane.
- To set the angle of all the vanes,
select 'all'.
- To set as the factory default settings,
select 'standard'.
Select wind angle using button, and
3
press button.
- The boundary of wind angle settings can
be changed to 5 levels or 6 levels
according to the product.
- When selecting 'standard' for Vane
number, the wind angle does not move.
Set the wind angles for the remaining
4
vanes as the same as above.
❈ There are products with vanes with
no. 1 and no. 2 only according to the
product types.
Press button to exit.
❈ After setup, it automatically gets
5
out of setup mode if there is no
button input for 60 seconds.
❈ When exiting without pressing set
button, the manipulated value is not
reflected.
Press button to complete and
6
active the setting process.
(Airflow direction function will be
released whenever setting vane angle)
Press button to exit or
7
system will automatically release
without any input after 25
seconds.
Please press function setup
button. If pressing function setup
button repeatedly, it moves to
time setup menu. ‘Time setup’
icon is indicated at that time and date
blinks at current time indication area.
Ex) Changing Current Time as
'Monday / AM 10:20'.
1
Press key to adjust the current
day.
2
Press key to move to AM/ PM setting
mode (the 'AM/ PM segment will flash).
3
Setting AM/ PM value by
pressing button.
4
Press button to move to 'Hour'
setting mode. (the 'Hour' segment will
flash)
5
Setting Hour value by pressing
button.
6
Function setting - Changing Current Time
OPERATING INSTRUCTIONS
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OPERATING INSTRUCTIONS
Press button to move to 'Minute'
7
setting mode. (the 'Minute' segment will
flash)
Setting Minute value by pressing
8
button.
Press button to finish.
9
In the process, press
10
button to release and exit
from setting mode.
(In case of exit with
incomplete information, it will
return to the previous setting)
❈ When exiting without pressing set
button, the manipulated value is not
reflected.
OPERATING INSTRUCTIONS
Programming - Simple Reservation
You can set the reservation conveniently in the units of 1 hour from 1 hour to 7 hours.
Press button to enter the
1
Programming mode.
(the segment flashing)
Ex) Setting Simple Reservation
time as '3'.
Press button to adjust reservation
2
time.
Press button to finish setting.
3
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Press button to exit.
4
❈ After setup, it automatically gets out of
setup mode if there is no button input
for 25 seconds.
❈ When exiting without pressing set
button, the manipulated value is not
reflected.
* When simple reservation setup, product automatically runs or stops after the time that is set.
OPERATING INSTRUCTIONS
Please move to 'weekly' by
repeatedly pressing reservation
button. 'Weekly' blinks at this time.
Please move to reservation setup mode by pressing reservation button.
❈ You can setup two weekly reservations for one day, and up to fourteen
reservations for a week.
For example, to setup (Tuesday morning 11:30 turned on ~ afternoon 12:30
turned off), you setup in order below.
2
1
Please select weekly reservation or
weekly reservation ڸڹ by using
button.
❈ You can setup two reservations,
weekly reservation 1 and weekly
reservation 2, for a day.
3
Please move to 'date' setup part by
using button. If 'date'
indication blinks, please setup date.
You can setup date from Monday to
Sunday.
4
Please move to 'AM/PM' setup part
of turning on by using button.
5
Please move to 'hour' setup part of
turning on by using button.
- It is the part to setup the time at
which air-conditioner is turned on.
6
Please move to 'minute' setup part of turning on by using button.
8
Please change time by using button.
- You can setup hour 0~12.
7
If 'minute' indication blinks, please setup 'minute' by using button
9
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Programming : Weekly Reservation
You can set the daily reservation in weekly unit.
Weekly reservation keeps operating until before you cancel it once you setup.
OPERATING INSTRUCTIONS
Please move to 'AM/PM' setup part
10
of turning off by using button.
- AM/PM setup is identical with
turning on time setup.
Please move to 'hour' setup part
11
of turning off by using Right
button.
- It is the part to reserve the time
at which air-conditioner is
turned off.
- If 'hour' indication blinks, please
setup 'hour'.
Please setup 'hour' and 'minute'
❈
identically with the method to
setup turning on time.
If finishing weekly reservation setup, please press setup/cancellation button.
12
Weekly reservation setup for the day that you set is finished.
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If you setup with the method identical with above by selecting the day that
13
you'd like to setup, it operates weekly reservation.
If you setup both turning on reservation time and turning off reservation time
identically, it doesn't operate reservation drive.
Weekly reservation explanation
Reservation number
Turning on time
Under bar: the indication that there is weekly reservation for
corresponding day
* Indoor unit is turned on to desired temperature if it is configured using up/down button during preset
of weekly operation time.
(Temperature selection range : 18°C~30°C)
- When desired temperature is not set, it is turned on automatically with desired temperature
of previous operation.
Turning off time
OPERATING INSTRUCTIONS
32
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Programming - Sleep Reservation
Sleep reservation is the function of air-conditioner to run and stop after certain period of time at sleep
mode before sleep. When connected to a ventilation product and set the sleep reservation, when it
goes to the sleep mode, after the set time has elapsed.
Press button to enter the
1
Programming mode.
Ex) Setting Sleep Reservation
time as '3'.
Repeat pressing button to enter the
2
SLEEP reservation setting mode.
( segment flashing)
Press button to adjust reservation
3
time.
The SLEEP reservation time is from 1 to
7 hours.
Press button to finish setting.
4
Whenever reservation is done.
Press button to exit.
5
❈ After setup, it automatically gets out of
setup mode if there is no button input
for 60 seconds.
❈ When exiting without pressing set
button, the manipulated value is not
reflected.
- If reservation is setup, 'sleep'
indication shows up at the lower part
of LCD screen.
If finishing sleep reservation setup,
6
air-conditioner product operates sleep
drive and stops after the time that is set.
CAUTION
!
Please reserve proper time at sleeping. (Too much air-cooling is not good for your health.)
• Because it automatically adjusts desired temperature for comfortable air-cooling at sleep drive,
there could be difference between remote controller's desired temperature and air-conditioner
body's desired temperature.
• Sleep reservation operates as off reservation for the product whose temperature adjustment isn't
controlled by unit of 0.5°C.
Press button.
Ex) Setting ON Reservation
Time as 'AM 10:20'.
1
Repeat pressing button to
enter the ON reservation
setting mode.
( segment flashing)
2
Press button to adjust AM/ PM
setting.
3
Press button to Hour setting
mode. When the Hour icon flash, please
setting time.
The setting range is within 1~12.
4
Press button to shift to Minute
setting mode. When the Minute icon
flash, please setting minute the setting
range is within 00~59.
5
Press button to finish setting.
6
Programming - ON Reservation
Automatically turned On at reserved time that you set.
OPERATING INSTRUCTIONS
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OPERATING INSTRUCTIONS
Press button to exit.
7
❈ After setup, it automatically gets out of
setup mode if there is no button input
for 25 seconds.
❈ When exiting without pressing set
button, the manipulated value is not
reflected.
- If reservation is set, 'turned on'
indication shows up at the lower part
of LCD screen, and air-conditioner
product runs at the time that is set.
- If reservation is cancelled, 'turned on'
indication disappears.
Programming - OFF Reservation
Automatically turned Off at reserved time that you set.
1
2
3
4
OPERATING INSTRUCTIONS
Press button.
Ex) Setting OFF Reservation
Time as 'AM 10:20'.
Repeatedly pressing button
to enter the OFF reservation
setting mode.
( segment flashing)
Press button to adjust AM/ PM
setting.
Press button to shift to Hour
setting mode. When the Hour icon flash,
please setting time.
The setting range is within 1~12.
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Press button to shift to Minute
5
setting mode. When the Minute icon
flash, please setting minute the setting
range is within 00~59.
Press button to finish setting.
6
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OPERATING INSTRUCTIONS
Press button to exit.
7
❈ After setup, it automatically gets out of
setup mode if there is no button input
for 25 seconds.
❈ When exiting without pressing set
button, the manipulated value is not
reflected.
- If reservation is set, 'turned off'
indication shows up at the lower part
of LCD screen, and air-conditioner
product runs at the time that is set.
- If reservation is cancelled, 'turned off'
indication disappears.
Programming : Holiday Reservation
It automatically stops at reserved day that you set.
Please press button.
1
It enters into reservation
setup mode.
Please move to 'holiday' by repeatedly
2
pressing button.
Please move to 'date' that
3
you want to setup holiday
by using button.
Please appoint or cancel holiday by using
4
or button.
For example, when you setup
Monday/Friday to holiday
- 'Monday', 'Friday' letter disappears.
OPERATING INSTRUCTIONS
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Please press button if finishing
5
holiday setup.
❈ If it comes to appointed holiday,
air-conditioner automatically stops.
Once you setup holiday appointment,
until before you cancel holiday setup,
air-conditioner automatically stops
within one hour even though you run
air-conditioner.
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MAINTENANCE AND SERVICE
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MAINTENANCE AND SERVICE
CAUTION
!
Before performing any maintenance, turn off
the main power to the system.
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.
NOTE
!
Supply power must be disconnected before
cleaning the indoor unit.
Air Filters
The air filters behind the front grille should be
checked and cleaned once every 2 weeks or
more often if neccessary.
Air outlet vent
Air filters
- 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.
1 Remove 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.
2 Clean 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.
4 Install the air filter.
MAINTENANCE AND SERVICE
1
2
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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.
1 After removing the air filters, pull slightly for-
ward to remove the PLASMA filter.
2 Dip the PLASMA filter into the water mixed
with neutral detergent, for 20~30 minutes.
3 Dry the PLASMA filter in the shade for a day
(Especially, the humidity must be removed
perfectly on this parts).
4 Note the cuts of electric discharge lines.
5 Re-install the PLASMA filter to the original po-
sition.
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
1 Open front panel and remove air filter.
2 Remove air purifying filter.
3 Insert new air purifying filter.
4 Reinsert air filter and close front panel.
MAINTENANCE AND SERVICE
40
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Operation Tips!
Do not overcool the room.
This is not good for the health
and wastes electricity.
Make sure that the doors
and windows are shut tight.
Avoid opening doors and windows as much as possible to
keep the cool air in the room.
Keep blinds or curtains
closed.
Do not let direct sunshine enter
the room when the air conditioner is in operation.
Clean the air filter regularly.
Blockages in the air filter reduce
the airflow and lower cooling
and dehumidifying effects.
Clean at least once every two
weeks.
When the air conditioner is not
going....
When air conditioner is not going to
be used for a long time.
1 Operate the air conditioner at the following
settings for 2 to 3 hours.
- Type of operation: Fan operation mode.
- This will dry out the internal mechanisms.
2 Turn off the breaker.
CAUTION
!
Turn off the breaker when the air conditioner
is not going to be used for a long time.
Dirt may collect and may cause a fire.
Keep the room temperature
uniform.
Adjust the vertical and horizontal airflow direction to ensure a
uniform temperature in the
room.
Ventilate the room occasionally.
Since windows are kept closed,
it is a good idea to open them
and ventilate the room now and
then.
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.
When the air conditioner is to be
used again.
1 Clean the air filter and install it in the indoor
unit.
2 Check that the air inlet and outlet of the in-
door/outdoor unit are not blocked.
3 Check that the ground wire is connected cor-
rectly. It may be connect to the indoor unit
side.
3 Remove the batteries from the Remote Con-
troller.
MAINTENANCE AND SERVICE
41
Troubleshooting Tips! Save time and money!
Check the following points before requesting repairs or service.... If the malfunction persist, please
contact your dealer.
Case Explanation
The air conditioner does
not operate.
The room has a peculiar
odor.
It seems that condensation
is leaking from the air conditioner.
Air conditioner does not operate for about 3 minutes
when restart.
Does not cool or heat effectively.
The air conditioner operation is noisy.
Crack sound is heard.
Filter sign lamp (LED) is
ON.
Remote control display is
faint, or no display at all.
The error code is occurred
after lightning struck
• Have you made a mistake in timer operation?
• 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.
• Condensation occurs when the airflow from the air conditioner cools the
warm room air.
• This is the protector of the mechanism.
• Wait about three minutes and operation will begin.
• Is the air filter dirty? See air filter cleaning instructions.
• 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?
• Are the indoor unit's air inlet or outlet vents obstructed?
• For a noise that sounds like water flowing.
-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 expansion/contraction of the inlet grille, etc.
due to changes of temperature.
• Cleaning the filter, press the Timer button and ◀ button of wired remote
controller at the same time for 3 s
• Has the circuit breaker been tripped?
• Are the batteries inserted in the opposite (+) and (-) directions?
• This product has been applied to the over current protection circuit.
Error can occur, but it is normal behavior.
After few minutes, It will operate normally.
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Call the service immediately in the following situations
- Anything abnormal such as burning smell, loud noise etc. happen. Stop the unit and turn the breaker
off. Never try to repair by yourself or restart the system in such cases.
- Main power cord is too hot or damaged.
- Error code is generated by self diagnosis.
- Water leaks from indoor unit even if the humidity is low.
- Any switch, breaker (safety, earth) or fuse fails to work properly
User must carry routine checkup & cleaning to avoid unit’s poor performance.
In case of special situation, the job must be carried out by service person only.
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MAINTENANCE AND SERVICE
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