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www.lg.com
Please read this manual carefully before operating
your set and retain it for future reference.
TYPE : MULTI
The equipment complies with requirements of the Technical
Regulation, in terms of restrictions for the use of certain dangerous
substances in electrical and electronic equipment.
OWNER’S MANUAL
AIR
CONDITIONER
P/NO : 5401403602 Rev.:
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2 Multi Type Air Conditioner
Multi Type Air Conditioner Ownerʼs 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
n 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.
Safety Precautions.........................3
Operating Instructions...................6
Care and maintenance.................35
Before you call for service... .......37
Page 3
Owner's Manual 3
Safety Precautions
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must be followed.
n Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified
by the following indications.
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to properties only.
n Meanings of symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
n Installation
Do not use a defective or
underrated circuit breaker.
Use this appliance on a
dedicated circuit.
• There is risk of fire or electric
shock.
For electrical work, contact
the dealer, seller, a qualified
electrician, or an Authorized
Service Center.
• Do not disassemble or repair
the product. There is risk of fire
or electric shock.
Always ground the product.
• 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.
Always install a dedicated
circuit and breaker.
• Improper wiring or installation
may cause fire or electric shock
Use the correctly rated
breaker or fuse.
• There is risk of fire or electric
shock.
Do not modify or extend the
power cable.
• There is risk of fire or electric
shock.
Do not install, remove, or
re-install the unit by
yourself (customer).
• There is risk of fire, electric
shock, explosion, or injury.
Be cautious when
unpacking and installing
the product.
• Sharp edges could cause injury.
Be especially careful of the
case edges and the fins on the
condenser and evaporator.
For installation, 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.
• It may cause injury, accident, or
damage to the product.
Be sure the installation area
does not deteriorate with age.
• If the base collapses, the air
conditioner could fall with it,
causing property damage,
product failure, and personal
injury.
Page 4
n Operation
4 Multi Type Air Conditioner
Safety Precautions
Do not plug or unplug the
power supply plug during
operation.
• There is risk of fire or electric
shock.
Do not touch(operate) the
product with wet hands.
• There is risk of fire or electrical
shock.
Do not place a heater or
other appliances near the
power cable.
• There is risk of fire and electric
shock.
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.
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 allow water to run
into electric parts.
• It may cause There is risk of
fire, failure of the product, or
electric shock.
Do not store or use flammable
gas or combustibles near the
product.
• There is risk of fire or failure of
product.
Do not use the product in a
tightly closed space for a
long time.
• Oxygen deficiency could occur.
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
If strange sounds, or small or
smoke comes from product. Turn
the breaker off or disconnect the
power supply cable.
• There is risk of electric shock or
fire.
Stop operation and close the window
in storm or hurricane. If possible,
remove the product from the window
before the hurricane arrives.
• There is risk of property
damage, failure of product, or
electric shock.
Do not open the inlet grill 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.
When the product is soaked
(flooded or submerged),
contact an Authorized
Service Center.
• There is risk of fire or electric
shock.
Be cautious that water
could not enter the product.
• 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.
• There is risk of fire or electric shock.
Turn the main power off when cleaning or
maintaining the product.
• There is risk of electric shock.
When the product is not be used for a long
time, disconnect the power supply plug or
turn off the breaker.
• There is risk of product damage or failure, or
unintended operation.
Take care to ensure that nobody could step
on or fall onto the outdoor unit.
• This could result in personal injury and product
damage.
Page 5
Owner's Manual 5
Safety Precautions
n Installation
n Operation
Always check for gas
(refrigerant) leakage after
installation or repair of product.
• Low refrigerant levels may
cause failure of product.
Install the drain hose to ensure
that water is drained away
properly.
• A bad connection may cause
water leakage.
Keep level even when
installing the product.
• To avoid vibration or water
leakage.
Do not install the product where the
noise or hot air from the outdoor unit
could damage the neighborhoods.
• It may cause a problem for your
neighbors.
Use two or more people to 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.
Corrosion, particularly on the condenser
and evaporator fins, could cause product
malfunction or inefficient operation
.
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, 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. They are very sharp!
• There is risk of personal injury.
Do not expose the skin directly to cool air
for long periods of time.
(Don't sit in the draft.)
• This could harm to your health.
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 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.
Clean the filter every two weeks
or more often if necessary.
•
A dirty filter reduces the efficiency of
the air conditioner and could cause
product malfunction or damage.
Do not insert hands or other objects
through the air inlet or outlet while
the product is operated.
• There are sharp and moving
parts that could cause personal
injury.
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 or
maintaining the product.
• Be careful and avoid personal
injury.
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 explosion
Do not recharge or disassemble the
batteries. Do not dispose of 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.
Page 6
6 Multi Type Air Conditioner
Operating Instructions
Operating Instructions
Wired Remote Controller
❈ 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.
OPERATION INDICATION
SCREEN
SET TEMPERATURE BUTTON
FAN SPEED BUTTON
ON/OFF BUTTON
OPRATION MODE SELECTION
BUTTON
WIRELESS REMOTE
CONTROLLER RECEIVER
• Some products don't receive the
wireless signals.
AIR FLOW BUTTON
SUBFUNCTION BUTTON
FUNCTION SETTING BUTTON
VENTILATION BUTTON
RESERVATION
UP,DOWN,LEFT,RIGHT BUTTON
• To check the indoor temperature,
press button.
ROOM TEMPERATURE BUTTON
SETTING/CANCEL BUTTON
EXIT BUTTON
1
4
5
7
11
10
9
8
2
3
6
13
12
Please attach the inform label inside of the door.
Please choose proper language depend on your
country.
14
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
❊ Some functions may not be operated and displayed depending on the product type.
NOTE
Page 7
Owner's Manual 7
Operating Instructions
Standard Operation - Standard Cooling
❈ Setting Temp Range : 18˚C~30˚C (64˚F~86˚F)
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.
Page 8
8 Multi Type Air Conditioner
Operating Instructions
Standard Operation - Power Cooling
It makes the room cool using pleasant and fresh air quickly
It supplies warm wind to the indoor
Standard Operation - Heating Mode
What is Power Cooling?
• Desired temperature: Po (actually 18°C)
• Wind flow: power wind
• Wind direction: fix to air-cooling position
❈
Partial product has no power air-cooling function.
•
Heating drive only operates at the cooling and heating model.
•
Heating doesn't operate at cooling exclusive model.
It make room temperature
drop fast by running
}
Press button to trun on the
1
indoor.
Press button to select
2
cooling operation mode.
Press button continuously
3
until 'Po' displayed.
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.
Page 9
Owner's Manual 9
Operating Instructions
It removes humidity while air-cooling weakly.
•
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.
Auto Changeover Mode
❖ Setting Temp Range : 18˚C~30˚C.
Standard Operation - Dehumidification Mode
Press button to turn on the
1
indoor.
Press button to select
2
Dehumidification mode.
The temperature setting can not be
adjusted during operation this mode.
Press the button to select
3
airflow rate feeble → weak →
medium → strong → automatic.
(The initial wind powerfulness of
humidity removal drive is 'weak'.)
Press button to turn on the indoor.
1
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.
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10 Multi Type Air Conditioner
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.
Page 11
Owner's Manual 11
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
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.
Page 12
12 Multi Type Air Conditioner
Operating Instructions
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.
• Please refer to product manual for product’s
detailed function.
Wind direction : You can simply adjust desired
wind direction.
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.
Please refer to product manual for product’s
detailed function.
Page 13
Owner's Manual 13
Operating Instructions
Standard Operation - Temperature Setting/Room Temperature Check
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
• 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.
• 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.
Page 14
14 Multi Type Air Conditioner
Operating Instructions
• 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.
Sub function - Plasma Purification
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.
Page 15
Owner's Manual 15
Operating Instructions
It is the function to use preventing children or others from careless using.
Function setting - Child Lock
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
Page 16
16 Multi Type Air Conditioner
Operating Instructions
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.
Page 17
Owner's Manual 17
Operating Instructions
Function setting - Elevation Grill
This function is to move the indoor filter up/down for cleaning filter.
Press button
1
Repeat pressing button until
icon flash.
Move to descent using button
2
and press button will display
descent icon and the up/down grill will
descent.
When up/down grill descents to the
3
desired position, move to stop icon
suing button and press button
to stop up/down grill.
When filter cleaning is finished, fix the
4
filter to the up/down grill, move to ascent
icon using button, and press
button to ascent up/down grill.
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.
• Elevation grill function only operates in the indoor unit with the elevation grill.
Page 18
18 Multi Type Air Conditioner
Operating Instructions
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
period of time.
Page 19
Owner's Manual 19
Operating Instructions
This function is to adjust angle at which airflow is blow out.
Function setting - Vane Angle Control
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
5
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.
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.
Page 20
20 Multi Type Air Conditioner
Operating Instructions
Function setting - Changing Current Time
Please press function setup
1
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'.
Press key to adjust the current
2
day.
Press key to move to AM/ PM setting
3
mode (the 'AM/ PM segment will flash).
Setting AM/ PM value by
4
pressing button.
Press button to move to 'Hour'
5
setting mode. (the 'Hour' segment will
flash)
Setting Hour value by pressing
6
button.
Page 21
Owner's Manual 21
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.
Page 22
22 Multi Type Air Conditioner
Operating Instructions
Programming - Simple Reservation
You can set the reservation conveniently in the units of 1 hour from 1 hour to 7 hours.
❈
When simple reservation setup, product automatically runs or stops after the time that is set.
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
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.
Page 23
Operating Instructions
Programming : Weekly Reservation
You can set the daily reservation in weekly unit.
Weekly reservation keeps operating until before you cancel it once you setup
Please move to reservation setup mode by pressing reservation button.
1
❈ 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.
Please move to 'weekly' by
2
repeatedly pressing reservation
button. 'Weekly' blinks at this time.
Please select weekly reservation or
3
weekly reservation ¡ by using
button.
❈ You can setup two reservations,
weekly reservation 1 and weekly
reservation 2, for a day.
Please move to 'date' setup part by
4
using button. If 'date'
indication blinks, please setup date.
You can setup date from Monday to
Sunday.
Please move to 'AM/PM' setup part
5
of turning on by using button.
Please move to 'hour' setup part of
6
turning on by using button.
- It is the part to setup the time at
which air-conditioner is turned on.
Please change time by using button.
7
- You can setup hour 0~12.
Please move to 'minute' setup part of turning on by using button.
8
If 'minute' indication blinks, please setup 'minute' by using button
9
Owner's Manual 23
Page 24
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.
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
❈ 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℃~30℃)
- When desired temperature is not set, it is turned on automatically with desired temperature of previous operation.
24 Multi Type Air Conditioner
Turning on time
Under bar: the indication that there is weekly reservation for
corresponding day
Turning off time
Page 25
Operating Instructions
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.
Owner's Manual 25
Page 26
Operating Instructions
Programming - ON Reservation
Automatically turned On at reserved time that you set.
Press button.
1
Ex) Setting ON Reservation
Time as 'AM 10:20'.
Repeat pressing button to
2
enter the ON reservation
setting mode.
( segment flashing)
Press button to adjust AM/ PM
3
setting.
Press button to Hour setting
4
mode. When the Hour icon flash, please
setting time.
The setting range is within 1~12.
26 Multi Type Air Conditioner
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
Page 27
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.
Owner's Manual 27
Page 28
Operating Instructions
Programming - OFF Reservation
Automatically turned Off at reserved time that you set.
Press button.
1
Ex) Setting OFF Reservation
Time as 'AM 10:20'.
Repeatedly pressing button
2
to enter the OFF reservation
setting mode.
( segment flashing)
Press button to adjust AM/ PM
3
setting.
Press button to shift to Hour
4
setting mode. When the Hour icon flash,
please setting time.
The setting range is within 1~12.
28 Multi Type Air Conditioner
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
Page 29
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.
Owner's Manual 29
Page 30
Operating Instructions
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.
30 Multi Type Air Conditioner
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.
Page 31
Operating Instructions
Ventilation Kit Control(Optional)
It is used when air conditioner is interlinked with ventilation product.
It is a function that cools and refreshes indoor air using the ventilation product at the same time
operating the air conditioning function.
Ventilation interlinked operation
Press button on the remote
1
controller control panel.
- It is only used when air conditioner
and general ventilation is
interlinked.
Pressing 'Start/Stop' button at ventilation
2
mode will start ventilation.
Pressing button will change the
3
ventilation operation mode.
Pressing operation selection button
will change the mode in the order of
'Heat exchange → normal → automatic'
❈ It only displays on the remote controller
display when it is in ventilation mode, and it
displays the desired temperature when it
returns to air condition mode.
Pressing button in general
4
ventilation mode will change airflow
speed.
Pressing airflow speed button will
change the mode in the order of 'weak →
strong → extra strong'.
If CO2 sensor is installed, it can select from
'weak → strong → very strong → automatic'.
Changing back to air conditioner mode
5
1)Automatic Conversion : when no button is
pressed for 15 seconds or longer, it
automatically converts back to air
conditioner mode.
2) Manual Conversion : Pressing button
in ventilation mode will manually convert.
Owner's Manual 31
Page 32
Operating Instructions
Telephone Control Operation(optional)
Calling from outside, you can start the air conditioner to keep the room comfortable.
Even though you went out with the air conditioner on, you can turn it off using the phone outside.
1. Dial the number which is connected with the air
conditioner.
2. After ringing 5 times.
3. You can hear the "Beep" sound (if the air
conditioner is off), then press "0" "0" "7" "8"
accordingly.
4. With the sound "Beep, Beep" the air conditioner
starts on.
5. Hang up the phone.
TURN ON
1. Dial the number which is connected with the air
conditioner.
2. After ringing 5 times.
3. You can hear the "Beep Beep" sound (if the air
conditioner is on), then press "0" "0" "7" "9"
accordingly.
4. With the sound "Beep---" the air conditioner is
turned off.
5. Hang up the phone.
TURN OFF
p This product works after telephone rings 5 times.
p If internal user picks up the phone before 5 rings, Telephone control function does not work.
p If user doesn't push the telephone button 25 seconds after beep, Telephone control function doesn't work.
p If it is connected through EPABX system, Tele control doesn't work.
NOTICE
OFF
OFFOFF
ON
ONON OFF
32 Multi Type Air Conditioner
Page 33
Operating Instructions
Telephone Control Operation(When using along with ARS telephone)
Calling from outside, you can start the air conditioner to keep the room comfortable.
Even though you went out with the air conditioner on, you can turn it off using the phone outside.
1. Dial the number which is connected with the air
conditioner.
2. OGM guide is provided after signal sound rings
four times and then "Beep"(sounds from
telephone itself) sounds so that outside
recording can be done.
3. Slowly press password "0" "0" "7" and "8" in
order.
4. With the sound "Beep, Beep" the air conditioner
starts on.
5. Hang up the phone.
TURN ON
1. Dial the number which is connected with the air
conditioner.
2. OGM guide is provided after signal sound rings
four times and then "Beep"(sounds from
telephone itself) sounds so that outside
recording can be done.
3. Slowly press password "0" "0" "7" and "9" in
order.
4. With the sound "Beep---" the air conditioner is
turned off.
5. Hang up the phone.
TURN OFF
p The numbers of response bell should be adjusted to four times if pressing "Out-of-office" button or taking other
action for automatic response.
p The recording time of OGM (Outgoing Message) should be less than approximately 15 seconds.
p If it is connected to key phone, it cannot be worked.
NOTICE
OFF
OFFOFF
ON
ONON OFF
Owner's Manual 33
Page 34
Operating Instructions
ROOM TEMP.
OPERATION STOP
SET TEMP. -0.5°C)
OPERATION START
SET TEMP. +0.5°C)
INDOOR FAN
More 3 minutes
OUTDOOR FAN/COMP
SETTING
FAN SPEED
SETTING
FAN SPEED
SETTING
FAN SPEED
LOW COOL
OPERATION
LOW COOL
OPERATION
ON OFF OFFON ON
High
Speed
Operation Details
• Cooling Operation Mode
When the room temperature is higher than the set temperature, it operates in cooling mode at the set
temperature, the set fan speed, and then it will be in automatically turn off when the room temperature
reaches the set temperature +0.5°C.
Helpful information
Airflow 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.
Self-Diagnosis Function
'CH' will flash in the remote controller display when a problem occurs. Then please contact your dealer.
• After main power is on, Fan will start 7 seconds later.
34 Multi Type Air Conditioner
Page 35
Care and maintenance
B
e
n
z
e
n
e
S
C
O
U
R
I
N
G
C
L
B
A
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G
E
R
S
I
N
N
E
R
Air outlet vent
Air outlet vent
Air filters
Care and maintenance
Indoor Unit
Caution: Before performing any maintenance, turn off the main power to the system.
Grille, Case, and Remote Control
o Turn the system off before cleaning. 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.
o
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. Clean the filter with a vacuum or warm, soapy
water.
• If very dirty, wash with a solution of
detergent in lukewarm water.
• If hot water (50°C or more) is used, filter
may be deformed.
2. After washing with water, dry well in the shade.
3. Re-install the air filter.
Air Filter
The air filters behind Indoor unit
(the suction side) should be checked and cleaned
once every 2 weeks or more often if necessary.
PLASMA Filter (Optional)
The PLASMA filter should be checked and cleaned,
once every month or more often, if necessary.
1. After removing the Panel-Cover, draw the Air
Cleaner Bracket slightly sideward to remove the
PLASMA filter.
2. Dip the PLASMA filter into the water mixed with
mild detergent, for 20~30 minutes.
3. Dry the PLASMA filter in the shade for a day.
(Especially, the humidity must be removed
perfectly from this parts).
4. Be careful not to cut the electric discharge lines
while washing.
5. Re-install the PLASMA filter to the original position.
Donʼt touch this PLASMA Filter within 10
seconds after drawing out Air Cleaner
Bracket, it may cause an electric shock.
PLASMA Filter
Air Inlet Vent
Owner's Manual 35
Page 36
Care and maintenance
When the air conditioner is not going to be used for a long time.
When air conditioner is not going to be used for a long time.
1. Operate the air conditioner on Air circulation mode for 2 to 3 hours.
• This will dry out the internal parts.
2. Turn off the circuit breaker.
CAUTION Turn off the circuit breaker when the air conditioner is not going to be used
for a long time. Dirt may collect and may cause a fire.
When the air conditioner is to be used again.
• Check that the air inlet and outlet of the indoor/outdoor unit are not blocked.
Do not overcool the room.
This is not good for your health
and wastes electricity.
Keep blinds or curtains
closed.
Do not let direct sunshine enter
the room when the air
conditioner is in operation.
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.
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.
Ventilate the room
occasionally.
Since windows are kept closed,
it is a good idea to open them
and ventilate the room now and
then.
Operation Tips
36 Multi Type Air Conditioner
Page 37
Before you call for service...
Before you call for service...
Check the following points before requesting repairs or service.... If the malfunction persist, please contact your
dealer.
Troubleshooting Tips! Save time and money!
The air conditioner does not
operate.
The room has a peculiar odor.
It seems that condensate 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.
Remote control display is faint, or
no display at all.
• Have you made a mistake in timer operation?
• On first starting, the indoor unit operates in
fifteen seconds.
• 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.
• Has the circuit breaker been tripped?
12
-
-
-
-
24
14, 17
-
-
-
Case Explanation See page
Owner's Manual 37
Page 38
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