LG | ARUN180LTE4.AWGBLAP | LG ARUN180LTE4.AWGBLAP Owner’s Manual

ENGLISH
ITALIANO
ESPAÑOL
FRANÇAIS
DEUTSCH
ΕΛΛΗΝΙΚΆ
ČEŠTINA
OWNER’S MANUAL
NEDERLANDS
AIR CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
www.lg.com
P/NO : MFL67870307
LIMBA ROMÂNĂ
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.
POLSKI
TYPE : 4-WAY CEILING CASSETTE
Original instruction
Ceiling Cassette- Type Air Conditioner Ownerʼs Manual
TABLE OF CONTENTS
A. Safety Precautions......................................3
B. Product Introduction...................................6
Name and function of parts ...........................6
What to do before operation ..........................6
Operation Indication Lamps...........................6
Wired Remote Controller ...............................7
Wireless Remote Controller (Accessory).......8
Standard Operation - Standard Cooling ........9
C. Operating instructions................................9
Standard Operation - Heating Mode............10
Standard Operation - Power Cooling...........10
Standard Operation Dehumidification Mode ................................11
Auto Changeover Mode...............................11
Standard Operation - Fan Mode..................12
Standard Operation - Auto
Operation Mode...........................................13
Standard Operation - Airflow Setting ...........14
Standard Operation - Temperature
Setting/Room Temperature Check...............15
Sub function - Plasma Purification...............16
Function setting - Child Lock .......................17
Function Setting - Change Temp .................18
Function setting - Elevation Grill..................19
Function setting - Filter Sign Clear ..............20
Function setting - Vane Angle Control .........21
Function setting - Changing Current Time..22
Programming - Simple Reservation.............24
Programming : Weekly Reservation ............25
Programming - Sleep Reservation ..............27
Programming - ON Reservation ..................28
Programming - OFF Reservation ................30
Programming : Holiday Reservation............32
Ventilation Kit Control(Optional) ..................33
D. Maintenance and Service .........................34
Indoor Unit ...................................................34
Purifying filter(Optional) ...............................35
Operation Tips! ............................................36
When the air conditioner is not going.... ......36
Troubleshooting Tips! Save time and
money!.........................................................37
Call the service immediately in the following
situations .....................................................37
2 Ceiling Cassette-Type Air Conditioner
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
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.
WARNING
This symbol indicates the possibility of death or serious injury.
CAUTION
This symbol indicates the possibility of injury or damage.
WARNING
Always ground the product.
• There is a risk of electric shock.
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.
Use the correctly rated breaker or fuse.
• There is risk of fire or electric shock.
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.
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.
Do not place a heater or other heating appliances near the power cable.
• There is risk of fire and 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 .
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.
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.
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.
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 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 use a multi consent. Always use
this appliance on a dedicated cicuit and
breaker.
• Otherwise it can cause electric shock or fire.
Install the panel and the cover of control
box securely.
• There is risk of fire or electric shock due to
dust , water etc.
For installation, removal or reinstall , always contact the dealer or an Authorized
Service Center.
• There is risk of fire, electric shock, explosion,
or injury.
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.
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 store or use or even allow flammable gas or combustibles near the product.
• There is risk of fire.
Owner's Manual 3
ENGLISH
Safety Precautions
Safety Precautions
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.
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.
Make sure to check that the power cable
plug is not dirty, loose or broken and
then only insert the plug completely.
• Improper or loose connections can cause
heat generation or fire.
• Children may play with them and cause injury.
• Dirty, loose or broken power plug can
cause electric shock or fire.
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.
When installing the unit, use the installation kit provided with the product.
Be sure to use only those parts which
are listed in the svc parts list. Never attempt to modify the equipment.
• Otherwise the unit may fall and cause severe
injury.
• The use of inappropriate parts can cause an
electrical shock, excessive heat generation or
fire.
Do not open the front grille of the product
during operation. (Do not touch the electrostatic filter, if the unit is so equipped.)
If strange sounds, smell or smoke comes
from product.Immediately turn the breaker
off or disconnect the power supply cable.
• An charged capacitor can cause electrical
shock.
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.
• There is risk of physical injury, electric shock,
or product failure.
• 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.
Turn the main power off and unplug the
unit when cleaning or repairing the product.
When the product is not to be used for a
long time, disconnect the power supply
plug or turn off the breaker.
• Oxygen deficiency can occur and hence harm
your health.
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.
• There is risk of electric shock.
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 plug or unplug the power supply plug to turn the unit
ON/OFF .
• There is risk of product damage or failure, or
unintended operation.
Do not place ANYTHING on the power
cable.
• 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.
• There is risk of fire or electric shock.
CAUTION
Two or more people must lift and transport the product.
• Avoid personal injury.
Keep level even when installing the product.
• To avoid vibration or noise.
Do not install the product where it will be
exposed to sea wind (salt spray) directly.
• It may cause corrosion on the product.
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.
4 Ceiling Cassette-Type Air Conditioner
Install the drain hose to ensure that the
condensed water is drained away properly.
• A bad connection may cause water leakage.
Always check for gas (refrigerant) leakage after installation or repair of product.
• Low refrigerant levels may cause failure of
product.
Safety Precautions
• There is risk of damage or loss of property.
Do not touch the metal parts of the product when removing the air filter.
• There is risk of personal injury.
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.
Do not block the inlet or outlet of air flow.
• It may cause product failure.
Do not step on or put anyting on the
product. (outdoor units)
• There is risk of personal injury and failure of
product.
Be cautious when unpacking and installing the product.
• Sharp edges could cause injury.
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.
Always insert the filter securely after
cleaning. Clean the filter every two weeks
or more often if necessary.
• A dirty filter reduces the efficiency.
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.
Do not mix air or gas other than the specified refrigerant used in the system .
If the refrigerant gas leaks during the installation, ventilate the area immediately.
• The condensed water inside can spill .
• If air enters the refrigerant system, an excessively high pressure results, causing equipment damage or injury.
• Otherwise it can be harmfull for your health.
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.
Do not recharge or disassemble the batteries. Do not dispose off batteries in a
fire.
Dismantling the unit, treatment of the refrigerant oil and eventual parts should be
done in accordance with local and national standards.
• There is risk of fire or product failure.
• 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.
If you eat the liquid from the batteries,
brush your teeth and see doctor.
Do not use the remote if the batteries
have leaked.
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.
• The chemicals in batteries could cause burns
or other health hazards.
• The chemicals in batteries could cause
burns or other health hazard.
• 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.
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.
Product Introduction
Product Introduction
Name and function of parts
6 7
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.
2
1
5
44
3
8
What to do before operation
Pair system or simultaneous operation system
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 simultaneous operation)
Multi system
Operation Indication Lamps
•
On/Off
: 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)
Forced
: To operate the unit when the remote control can't be used
for any reason.
6 Ceiling Cassette-Type Air Conditioner
Product Introduction
ENGLISH
Wired Remote Controller
1
10
9
8
7
11
12
13
2
3
4
5
6
14
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 RECEIVER
• 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
j Some functions may not be operated and displayed depending on the product type.
NOTE
h 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.
h The actual product can be different from above contents depending upon model type.
h When using simultaneous operation system, whenever press remote controller button, system will approximately
operate after 1~2 minutes.
Owner's Manual 7
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.
PQWRHQ0FDB
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)
NOTE
h The wireless remote controller do not operate the vane angle control.(4Way Type)
h For more details refer to the Wireless Remote Control Accessory manual.
h The actual product can be different from above contents depending upon model type.
h The wireless remote controller does not operate When using simultaneous operation system.
8 Ceiling Cassette-Type Air Conditioner
Operating Instructions
ENGLISH
Operating instructions
Standard Operation - Standard Cooling
It cools the room by comfortable and clean wind.
1 Press
indoor.
button to turn on the
button to select
2 Press
Cooling operation mode.
the desired temperature
3 Adjust
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.
h Setting Temp Range : 18˚C~30˚C (64˚F~86˚F)
Owner's Manual 9
Operating Instructions
Standard Operation - Power Cooling
It makes the room cool using pleasant and fresh air quickly
1 Press
indoor.
button to trun on the
button to select
2 Press
cooling operation mode.
button continuously
3 Press
until 'Po' displayed.
What is Power Cooling?
• Desired temperature: Po (actually 18°C)
• Wind flow: power wind
• Wind direction: fix to air-cooling position
}
It make room temperature
drop fast by running
h Partial product has no power air-cooling function.
Standard Operation - Heating Mode
It supplies warm wind to the indoor
1 Press
indoor.
button to turn on the
button to select
2 Press
Heating mode.
(To check the indoor temperature,
press the room temperature button.)
the desired temperature
3 Adjust
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.
10 Ceiling Cassette-Type Air Conditioner
Operating Instructions
It removes humidity while air-cooling weakly.
1 Press
indoor.
button to turn on the
button to select
2 Press
Dehumidification mode.
The temperature setting can not be
adjusted during operation this mode.
the
button to select
3 Press
airflow rate feeble → weak →
medium → strong → automatic.
(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.
Auto Changeover Mode
1 Press
button to turn on the indoor.
2 Press
button to select Auto Changeover Mode.
setting temperature as the right side picture can be set in both
3 The
cooling/ heating model.
v Setting Temp Range : 18˚C~30˚C.
Owner's Manual 11
ENGLISH
Standard Operation - Dehumidification Mode
Operating Instructions
Standard Operation - Fan Mode
It blows the air as it is in the indoor, not the cold wind.
1 Press
indoor.
button to turn on the
2 Press
Mode.
button to select Fan
time pressing
button, you
3 Every
can select wind flow in order of
feeble → weak → medium → strong
→ automatic.
When running ventilation,
compressor of AHU doesn't work.
• 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.
12 Ceiling Cassette-Type Air Conditioner
Operating Instructions
1 Press
indoor.
ENGLISH
Standard Operation - Auto Operation Mode
button to turn on the
button to select
2 Press
Artificial intelligence Mode.
can adjust
3 You
the temperature
as the picture on
the right for
cooling and
heating model.
the case of
4 For
cooling exclusive,
as the picture on
the right, you can
adjust the
temperature from
hot to cold, from
"-2" to "2" based
on "00".
When cold
When cool
When appropriate
When warm
When hot
During operating Auto Operation mode:
• We can use the FAN SPEED button
• We can change manually to other operation mode.
Owner's Manual 13
Operating Instructions
Standard Operation - Airflow Setting
Wind powerfulness : You can simply adjust
desired wind powerfulness.
setup desired wind
1 Please
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.
set desired wind direction
1 Please
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.
14 Ceiling Cassette-Type Air Conditioner
Operating Instructions
Temperature Setting
can simply adjust the desired
1 We
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
• Room temp: Indicate the current room temperature.
• Set temp: Indicate the temperature that user
want to set.
h Depend on what kind of controller, the desired
temperature can be adjusted at 0.5˚C or 1˚F.
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.
Room Temperature Check
press
button, the room
1 Whenever
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
• 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.
Owner's Manual 15
ENGLISH
Standard Operation - Temperature Setting/Room Temperature Check
Operating Instructions
Sub function - Plasma Purification
Only products with humidifying function can use this.
The method to setup cleaning air
pressing
1 Repeat
until
icon flash.
button
or cancel Plasma
2 Operate
Purification function by pressing
button.
( icon appears/disappears on
display part up
to selection )
setting, press
3 After
to exit.
button
❈ 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.
• 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.
16 Ceiling Cassette-Type Air Conditioner
Operating Instructions
ENGLISH
Function setting - Child Lock
It is the function to use preventing children or others from careless using.
button repeatedly until
1 Press
the
is flashing.
moving to 'setup' icon area by
2 Ifusing
button, 'setup' icon
blinks, and child lock function is
setup if pressing
button at
that time.
cancelling lock function, if moving
3 When
to 'cancel' icon by pressing
button
and then, pressing
button, child lock
function is cancelled.
button to exit.
4 Press
❈ 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.
Owner's Manual 17
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.
1 Repeaticonpressing
flash.
button until
button to change.
2 Press
❈ Converting temp value : 1~7
button to complete
3 Press
and active the setting process.
button to exit or
4 Press
system will automatically release
without any input after 25
seconds.
❈ When exiting without pressing
set button, the manipulated
value is not reflected.
18 Ceiling Cassette-Type Air Conditioner
Operating Instructions
ENGLISH
Function setting - Elevation Grill
This function is to move the indoor filter up/down for cleaning filter.
button
1 Press
Repeat pressing
button until
icon flash.
to descent using
button
2 Move
and press
button will display
descent icon and the up/down grill will
descent.
up/down grill descents to the
3 When
desired position, move to stop icon
suing
button and press
to stop up/down grill.
button
filter cleaning is finished, fix the
4 When
filter to the up/down grill, move to ascent
icon using
button, and press
button to ascent up/down grill.
button to exit.
5 Press
❈ 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.
Owner's Manual 19
Operating Instructions
Function setting - Filter Sign Clear
This function is to clear the indicator of indoor filter cleaning.
1 Press
until the
button repeatedly
is flashing.
the
is flashing, press
2 When
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.
h Filter cleaning indication is automatically cancelled without the separate cancellation after certain
period of time.
20 Ceiling Cassette-Type Air Conditioner
Operating Instructions
This function is to adjust angle at which airflow is blow out.
pressing
1 Repeat
icon flash.
button until
button to select active vane :
2 Press
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'.
wind angle using
3 Select
press
button.
button, and
- 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.
the wind angles for the remaining
4 Set
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.
setup, it automatically
5 ❈ After
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.
button to complete and
6 Press
active the setting process.
(Airflow direction function will be
released whenever setting vane angle)
button to exit or
7 Press
system will automatically release
without any input after 25
seconds.
Owner's Manual 21
ENGLISH
Function setting - Vane Angle Control
Operating Instructions
Function setting - Changing Current Time
press function setup
1 Please
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'.
2 Press
day.
key to adjust the current
key to move to AM/ PM setting
3 Press
mode (the 'AM/ PM segment will flash).
AM/ PM value by
4 Setting
pressing
button.
button to move to 'Hour'
5 Press
setting mode. (the 'Hour' segment will
flash)
Hour value by pressing
6 Setting
button.
22 Ceiling Cassette-Type Air Conditioner
Operating Instructions
flash)
Minute value by pressing
8 Setting
button.
9 Press
10
button to finish.
In the process, press
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.
Owner's Manual 23
ENGLISH
button to move to 'Minute'
7 Press
setting mode. (the 'Minute' segment will
Operating Instructions
Programming - Simple Reservation
You can set the reservation conveniently in the units of 1 hour from 1 hour to 7 hours.
button to enter the
1 Press
Programming mode.
(the
segment flashing)
Ex) Setting Simple Reservation
time as '3'.
2 Press
time.
3 Press
button to adjust reservation
button to finish setting.
button to exit.
4 Press
❈ 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.
h When simple reservation setup, product automatically runs or stops after the time that is set.
24 Ceiling Cassette-Type Air Conditioner
Operating Instructions
ENGLISH
Programming : Weekly Reservation
You can set the daily reservation in weekly unit.
Weekly reservation keeps operating until before you cancel it once you setup
1
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.
move to 'weekly' by
2 Please
repeatedly pressing reservation
button. 'Weekly' blinks at this time.
select weekly reservation or
3 Please
weekly reservation ¡ by using
button.
❈ You can setup two reservations,
weekly reservation 1 and weekly
reservation 2, for a day.
move to 'date' setup part by
4 Please
using
button. If 'date'
indication blinks, please setup date.
You can setup date from Monday to
Sunday.
move to 'AM/PM' setup part
5 Please
of turning on by using
button.
move to 'hour' setup part of
6 Please
turning on by using
button.
- It is the part to setup the time at
which air-conditioner is turned on.
change time by using
button.
7 Please
- You can setup hour 0~12.
8 Please move to 'minute' setup part of turning on by using
9 If 'minute' indication blinks, please setup 'minute' by using
button.
button
Owner's Manual 25
Operating Instructions
move to 'AM/PM' setup part
10 Please
of turning off by using
button.
- AM/PM setup is identical with
turning on time setup.
11
Please move to 'hour' setup part
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.
finishing weekly reservation setup, please press setup/cancellation button.
12 IfWeekly
reservation setup for the day that you set is finished.
you setup with the method identical with above by selecting the day that
13 Ifyou'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
Turning off time
Under bar: the indication that there is weekly reservation for
corresponding day
h 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.
26 Ceiling Cassette-Type Air Conditioner
Operating Instructions
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.
button to enter the
1 Press
Programming mode.
Ex) Setting Sleep Reservation
time as '3'.
pressing
button to enter the
2 Repeat
SLEEP reservation setting mode.
(
3 Press
time.
segment flashing)
button to adjust reservation
The SLEEP reservation time is from 1 to
7 hours.
button to finish setting.
4 Press
Whenever reservation is done.
button to exit.
5 Press
❈ 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.
finishing sleep reservation setup,
6 Ifair-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 27
ENGLISH
Programming - Sleep Reservation
Operating Instructions
Programming - ON Reservation
Automatically turned On at reserved time that you set.
1 Press
button.
Ex) Setting ON Reservation
Time as 'AM 10:20'.
pressing
button to
2 Repeat
enter the ON reservation
setting mode.
(
segment flashing)
3 Press
setting.
button to adjust AM/ PM
button to Hour setting
4 Press
mode. When the Hour icon flash, please
setting time.
The setting range is within 1~12.
button to shift to Minute
5 Press
setting mode. When the Minute icon
flash, please setting minute the setting
range is within 00~59.
6 Press
28 Ceiling Cassette-Type Air Conditioner
button to finish setting.
Operating Instructions
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 29
ENGLISH
button to exit.
7 Press
❈ After setup, it automatically gets out of
Operating Instructions
Programming - OFF Reservation
Automatically turned Off at reserved time that you set.
1 Press
button.
Ex) Setting OFF Reservation
Time as 'AM 10:20'.
pressing
button
2 Repeatedly
to enter the OFF reservation
setting mode.
(
segment flashing)
3 Press
setting.
button to adjust AM/ PM
button to shift to Hour
4 Press
setting mode. When the Hour icon flash,
please setting time.
The setting range is within 1~12.
button to shift to Minute
5 Press
setting mode. When the Minute icon
flash, please setting minute the setting
range is within 00~59.
6 Press
30 Ceiling Cassette-Type Air Conditioner
button to finish setting.
Operating Instructions
ENGLISH
button to exit.
7 Press
❈ 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 31
Operating Instructions
Programming : Holiday Reservation
It automatically stops at reserved day that you set.
press
button.
1 Please
It enters into reservation
setup mode.
move to 'holiday' by repeatedly
2 Please
pressing
button.
move to 'date' that
3 Please
you want to setup holiday
by using
button.
or cancel holiday by using
4 Pleaseorappointbutton.
For example, when you setup
Monday/Friday to holiday
- 'Monday', 'Friday' letter disappears.
press
5 Please
holiday setup.
button if finishing
❈ 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.
32 Ceiling Cassette-Type Air Conditioner
Operating Instructions
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
button on the remote
1 Press
controller control panel.
- It is only used when air conditioner
and general ventilation is
interlinked.
'Start/Stop' button at ventilation
2 Pressing
mode will start ventilation.
button will change the
3 Pressing
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.
button in general
4 Pressing
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'.
back to air conditioner mode
5 Changing
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 33
ENGLISH
Ventilation Kit Control(Optional)
Maintenance and Service
Maintenance and Service
Indoor Unit
Grille, Case and Remote Control
p 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.
1
Remove the Air filters.
n 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.
n 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.
SI
B en
z ene
N N ER
2
Clean dirt from the air filter using a vacuum
cleaner or washing with water.
n If dirt is conspicuous, wash with a neutral detergent in lukewarm water.
n If hot water (40°C or more) is used, it may be
deformed.
3
After washing with water, dry well in the
shade.
n Do not expose the air filter to direct sunlight
or heat from a fire when drying it.
4
Install the air filter.
S CO
U RI N
CLB
ARGE
34 Ceiling Cassette-Type Air Conditioner
Maintenance and Service
ENGLISH
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 forward 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 position.
CAUTION:Donʼt 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.
1
4
Reinsert air filter and close front panel.
2
Owner's Manual 35
Maintenance and Service
Operation Tips!
Do not overcool the room.
Keep blinds or curtains
closed.
Keep the room temperature
uniform.
This is not good for the health and
wastes electricity.
Do not let direct sunshine enter the
room when the air conditioner is in
operation.
Adjust the vertical and horizontal airflow direction to ensure a uniform
temperature in the room.
Make sure that the doors
and windows are shut tight.
Clean the air filter regularly.
Ventilate the room occasionally.
Avoid opening doors and windows
as much as possible to keep the
cool air in the room.
Blockages in the air filter reduce the
airflow and lower cooling and dehumidifying effects. Clean at least
once every two weeks.
Since windows are kept closed, it is
a good idea to open them and ventilate the room now and then.
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.(Refer to page "Fan 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.
3. Remove the batteries from the Remote Controller.
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.
(Refer to page "Maintenance and Service")
2. Check that the air inlet and outlet of the indoor/outdoor unit are not blocked.
3. Check that the ground wire is connected correctly. It may be connect to the indoor unit side.
36 Ceiling Cassette-Type Air Conditioner
Maintenance and Service
Case
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
Explanation
• 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 sec.
• 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.
Call the service immediately in the following situations
1. 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.
2. Main power cord is too hot or damaged.
3. Error code is generated by self diagnosis.
4. Water leaks from indoor unit even if the humidity is low.
5. Any switch, breaker (safety, earth) or fuse fails to work properly
User must carry routine checkup & cleaning to avoid unitʼs poor performance.
In case of special situation, the job must be carried out by service person only.
Owner's Manual 37
ENGLISH
Troubleshooting Tips! Save time and money!
Check the following points before requesting repairs or service.... If the malfunction persist, please contact your dealer.
38 Ceiling Cassette-Type Air Conditioner
[Representative] LG Electronics Inc. EU Representative
Krijgsman 1, 1186 DM Amstelveen, The Netherlands
[Manufacturer] LG Electronics Inc. Changwon 2nd factory
84, Wanam-ro, Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA
Download PDF