LG | ABNW48GM3T1.ANWBDXB | User guide | LG ABNW18GM1T1.ANWBDXB Owner's manual

LG ABNW18GM1T1.ANWBDXB Owner's manual
OWNER'S MANUAL
AIR
CONDITIONER
Read this owner's manual thoroughly before operating the appliance and keep
it handy for reference at all times.
TYPE: CEILING CONCEALED DUCT
EN
English
FR
Français
AR
‫العربية‬
www.lg.com
MFL70362704
Rev.00_061518
Copyright © 2018 LG Electronics Inc. All Rights Reserved.
TABLE OF CONTENTS
This manual may contain images or
content different from the model you
purchased.
This manual is subject to revision by the
manufacturer.
SAFETY INSTRUCTIONS.................................................... 3
IMPORTANT SAFETY INSTRUCTIONS.................................................3
OPERATION........................................................................ 11
Notes for Operation............................................................................... 11
Parts and Functions............................................................................... 11
Wired Remote Control...........................................................................12
Using the Mode Function.......................................................................14
Using the Fan Speed Function..............................................................15
Using the Air Flow Direction Function....................................................16
Using the Temperature Setting Function...............................................16
Using the Room Temperature Check Function......................................16
Using the Air Purification Function.........................................................17
Using Special Functions........................................................................17
Using the Reservation Function............................................................19
Simple Wired Remote Controller...........................................................23
Using the Mode Function.......................................................................24
Using the Fan Speed Function..............................................................25
Using the Temperature Setting Function...............................................25
MAINTENANCE................................................................... 27
Clean the Air Filter.................................................................................28
TROUBLESHOOTING........................................................ 29
SAFETY INSTRUCTIONS
EN
The following safety guidelines are intended to prevent
unforeseen risks or damage from unsafe or incorrect
operation of the appliance.
The guidelines are separated into ‘WARNING’ and ‘CAUTION’
as described below.
This symbol is displayed to indicate matters and
operations that can cause risk. Read the part with this
symbol carefully and follow the instructions in order to
avoid risk.
WARNING
This indicates that the failure to follow the instructions can
cause serious injury or death.
CAUTION
This indicates that the failure to follow the instructions can
cause the minor injury or damage to the product.
IMPORTANT SAFETY INSTRUCTIONS
WARNING
To reduce the risk of explosion, fire, death, electric shock,
injury or scalding to persons when using this product,
follow basic precautions, including the following:
Children in the Household
This appliance is not intended for use by persons (including
children) with reduced physical, sensory or mental capabilities, or
lack of experience and knowledge, unless they have been given
supervision or instruction concerning use of the appliance by a
person responsible for their safety. Children should be supervised
to ensure that they do not play with the appliance.
3
EN
Installation
•This
•
appliance must be properly grounded to minimize risk of
electric shock.
•Do
• not connect the ground wire to a gas pipe, a lightning rod, or a
telephone ground wire.
•Install
•
the panel and the cover of the control box safely.
•Contact
•
an authorized service center when installing or relocating
the air conditioner.
•Do
• not install the appliance on an unstable surface or in a place
where there is danger of it falling.
•Do
• not install the unit in an area where there are flammable
materials.
•Install
•
dedicated electric outlet and earth leakage breaker before
using the appliance.
•Do
• not install, remove, or reinstall the unit by yourself (customer).
•The
•
indoor/outdoor wiring connections must be secured tightly,
and the cable should be routed properly so that there is no force
pulling the cable from the connection terminals. Improper or loose
connections can cause heat generation or fire.
4
EN
•When
•
installing the unit, use the installation kit provided with the
product.
•The
•
appliance shall be installed in accordance with national wiring
regulations.
•Do
• not use a defective or underrated circuit breaker.
•Do
• not plug multiple socket outlets, an extension power cable or
adapter with this appliance.
•If
• the supply cord is damaged, it must be replaced by the
manufacturer or its service agents or similarly qualified person in
order to avoid a hazard.
•Use
•
standard circuit breaker and fuse that conform to the rating of
the air conditioner.
•Do
• not modify or extend the power cable. Scratches or peeling
insulation on the power cables may result in fire or electric shock,
and should be replaced.
•Make
•
sure that the power cable is neither dirty, loose, nor broken.
•Turn
•
off the power and unplug the power cord before you perform
any maintenance; otherwise it may cause electric shock.
•Unplug
•
the power plug during a severe thunderstorm or lightening
or when not in use for a long period of time.
•Take
•
care to ensure that power cable could not be pulled out or
damaged during operation.
•Do
• not place any objects on the power cable.
•Do
• not plug or unplug the power supply plug to turn the unit ON/
OFF.
•Appliance
•
shall be disconnected from its power source during
service and when replacing parts.
5
EN
Operation
•When
•
the product is soaked (flooded or submerged) in water,
contact an Authorized Service Center for repair before using it
again.
•Use
•
only the refrigerant specified on the air conditioner label.
•Do
• not touch the power plug or the appliance controls with wet
hands.
•Do
• not place a heater or other heating appliances near the power
cable.
•Do
• not allow water to run into electric parts. Install the unit away
from water sources.
•Do
• not use flammable gas and combustible substances (benzene,
gasoline, thinner, petroleum, alcohol, etc.) near the appliance.
•Stop
•
operation and close the window in storm or hurricane. If
possible, remove the product from the window before the
hurricane arrives.
•Be
• cautious that water could not enter the product.
•In
• outdoor unit the step-up capacitor supplies high voltage
electricity to the electrical components. Be sure to discharge the
capacitor completely before conducting the repair work.
•Be
• sure to use only those parts listed in the service parts list.
Never attempt to modify the equipment.
•Do
• not use the product in a tightly closed space for a long time.
Perform ventilation regularly.
6
EN
•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.
•Be
• sure to ventilate sufficiently when the air conditioner and a
heating appliance such as a heater are used simultaneously.
•Make
•
sure that do not climb on or hit the outdoor unit.
•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.
•Use
•
a vacuum pump or Inert (nitrogen) gas when doing leakage
test or air purge. Do not compress air or Oxygen and Do not use
Flammable gases.
•Do
• not touch refrigerant pipe, water pipe and any internal parts
while the unit is operating or immediately after operation.
Maintenance
•Safely
•
dispose of packing materials such as screws, nails or
batteries using proper packaging after installation or repair.
7
EN
CAUTION
To reduce the risk of minor injury to persons, malfunction,
or damage to the product or property when using this
product, follow basic precautions, including the following:
Installation
•Two
•
or more people must lift and transport the product.
•Do
• not install the air conditioner in an area where it is directly
exposed to sea wind (salt spray).
•Install
•
the drain hose properly for the smooth drainage of water
condensation.
•Adjust
•
the level after placing the appliance in the installation area.
•Install
•
the air conditioner in a place where the noise from the
outdoor unit or the exhaust fumes will not inconvenience the
neighbors. Failure to do so may result in conflict with the
neighbors.
•Be
• sure to check if there is a refrigerant leak after installing or
repairing the air conditioner.
•Exercise
•
caution when unpacking or installing the air conditioner.
•Do
• not touch the leaking refrigerant during installation or repair.
•Do
• not tilt the appliance to pull or push it when transporting.
•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.
•Dismantling
•
the unit, treatment of the refrigerant oil and eventual
parts should be done in accordance with local and national
standards.
8
EN
Operation
•Do
• not use the product for special purposes, such as preserving
foods, works of art, and etc. It is an air conditioner for consumer
purposes, not a precision refrigeration system.
•Do
• not block the inlet or outlet of air flow.
•Never
•
touch the metal parts of the air conditioner when removing
the air filter.
•Do
• not place any object on the air conditioner.
•Do
• not insert hands or other objects through the air inlet or outlet
while the air conditioner is operating.
•Never
•
mix different types of batteries, or old and new batteries for
the remote control.
•Dispose
•
of the batteries in a place where there is no danger of
fire.
•Stop
•
using the remote control if there is a fluid leak in the battery.
If your clothes or skin are exposed to the leaking battery fluid,
wash off with clean water.
•If
• the leaking battery fluid has been swallowed, wash off the inside
of the mouth thoroughly and consult a doctor.
•Do
• not let the air conditioner run for a long time when humidity is
very high or when a door or a window has been left open.
9
EN
•Do
• not expose people, animals, or plants to the cold or hot wind
from the air conditioner for extended periods of time.
•Do
• not drink the water drained from the air conditioner.
•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.
Maintenance
•Use
•
a soft cloth to clean. Do not use harsh detergents, solvents or
splashing water etc.
•Clean
•
the air filters once every 2 weeks, or more, if necessary.
•Use
•
a sturdy stool or ladder when cleaning, maintaining, or
repairing the air conditioner at a height.
10
OPERATION
EN
Notes for Operation
Suggestion for Energy Saving
••Do not over-cool the space. 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, within a short period of time.
••Open windows regularly for ventilation. The indoor air quality may deteriorate if the air conditioner
is used for long durations.
••Clean the air filter once every 2 weeks. Dust and impurities collected in the air filter may block the
air flow or reduce the unit performance.
Parts and Functions
Type 1
Type 2
1
1
2
2
3
3
4
4
1 Air Outlet Vents
2 Air Intake Vents
3 Control Box
4 Wired Remote Controller
NOTE
••The feature may be changed according to the type of model.
11
EN
Wired Remote Control
You can operate the air conditioner more conveniently with the remote control.
Button
Display
Screen
-
Description
To turn on/off the air
conditioner.
To adjust the desired room
temperature in cooling, heating
or auto changeover mode.
To select the cooling mode.
To select the heating mode.
OPER
MODE
To select the dehumidification
mode.
To select the fan mode.
To select the auto changeover/
auto operation mode.
FAN
SPEED
SUB FUNC
12
To adjust the fan speed.
To select the power cooling
mode.
To select the plasma
purification.
EN
Button
Display
Screen
Description
-
To adjust the air flow direction
vertically or horizontally.
To select the additional
operations function.
For interlocking operations of
air conditioner and ventilator.
AIR FLOW
VENT
-
OK/
CLEAR
ESC
-
To schedule an operation.
To adjust time.
To display the room
temperature.
To save the settings in the
menu.
To exit the menu.
NOTE
••Displayed temperature can be different from actual room
temperature if the remote controller is installed at the place
exposed to direct sunlight or the place near a source of
heat.
••Some products may not receive wired signals.
••When using the simultaneous operation system, the
system will operate approximately 1 - 2 minutes after
pressing the remote controller button.
••The feature may be changed according to the type of
model.
••Some functions may not be supported, depending on the
model.
13
EN
Using the Mode Function
Dehumidification Mode
This function allows you to select the desired
function.
This mode removes excess moisture from a
highly humid environment or during the rainy
season, in order to prevent mildew from setting
in. This mode adjusts the room temperature and
the fan speed automatically to maintain the
optimal level of humidity.
Cooling Mode
1
Turn the appliance on.
2
Press OPER MODE button repeatedly to
select the Cooling Mode.
••
3
is displayed on the display screen.
Press
or
temperature.
button to set the desired
Heating Mode
Turn the appliance on.
2
Press OPER MODE button repeatedly to
select the Heating Mode.
3
is displayed on the display screen.
Press
or
temperature.
Turn the appliance on.
2
Press OPER MODE button repeatedly to
select the Dehumidification Mode.
••
3
button to set the desired
NOTE
••Heating Mode is not available for Cooling only
models.
Press FAN SPEED button repeatedly to
adjust the fan speed.
••In this mode you cannot adjust the room
temperature, it is adjusted automatically.
••The menu item might not be partially selected
according to product function.
Fan Mode
This mode only circulates the indoor air without
changing the room temperature.
1
Turn the appliance on.
2
Press OPER MODE button repeatedly to
select the Fan Mode.
••
3
14
is displayed on the display screen.
NOTE
1
••
1
is displayed on the display screen.
Press FAN SPEED button to adjust the fan
speed.
EN
Auto Operation
This mode automatically sets the fan speed and
temperature depending on the room
temperature.
1
Turn the appliance on.
2
Press OPER MODE button repeatedly to
select the Auto Operation.
••
3
Using the Fan Speed
Function
Adjusting the Fan Speed
••Press FAN SPEED button repeatedly to adjust
the fan speed.
is displayed on the display screen.
Press
or
temperature.
button to set the desired
SLOW
LOW
MED
HIGH
POW
AUTO
NOTE
••The menu item might not be partially selected
according to product function.
Changing Room Temperature
Quickly
Code
2
1
0
-1
-2
Description
Cold
A little cold
Maintain room temperature
A little hot
Hot
NOTE
••The FAN SPEED button can be used.
••It can be switched to another operation mode
manually.
••Some functions may not be supported,
depending on the model.
1
Turn the appliance on.
2
Press FAN SPEED button repeatedly to
switch to the Power Cooling Mode.
••
is displayed on the display screen.
NOTE
••Desired Temperature: Po (Common : 18 °C,
UAE Only : 20 °C)
••Wind Flow: Power wind
••Wind Direction: Fixed to the cooling position
••Some appliances do not feature power cooling
function.
15
EN
Using the Air Flow Direction
Function
Using the Room Temperature
Check Function
This function adjusts the direction of the air flow
vertically (horizontally).
••Press AIR FLOW button repeatedly and select
the desired direction.
Press
button.
••The room temperature will be displayed for 5
seconds.
NOTE
NOTE
••The menu item might not be partially selected
according to product function.
••The feature may be changed according to the
type of model.
Using the Temperature
Setting Function
This function adjusts the desired temperature.
•• : Increases the temperature by 1 °C or 2
°F with each push.
•• : Decreases the temperature by 1 °C or 2
°F with each push.
NOTE
••Room Temperature: Indicates current room
temperature.
••Set Temperature: Indicates the temperature
that user wants to set.
••Depending on what kind of controller, the
desired temperature can be adjusted by 0.5
°C or 1 °F
16
••After 5 seconds, it is switched to display the
desired temperature.
••Because of location of remote controller, the
real room temperature and the this displayed
value can be different.
••5 °C is proper for the difference between room
and outside temperature.
••Cooling operation
−−The cooling mode doesn’t work if the desired
temperature is higher than room
temperature. Please lower the desired
temperature.
−−Setting temp range:
Common: 18 °C ~ 30 °C
UAE Only: 20 °C ~ 30 °C
••Heating operation
−−The heating mode doesn’t work if the
desired temperature is lower than room
temperature.
−−Please increase the desired temperature.
−−Setting temp range: 16 °C ~ 30 °C
EN
Using the Air Purification
Function
It supplies clean and fresh air with ion particles
and the filter.
1
Press SUB FUNC button repeatedly to
select Air Purification.
••
2
is displayed on the display screen.
Press OK/CLEAR button to select or cancel
the function.
••
icon appears or disappears on SUB
FUNC display part up to selection.
3
Using Special Functions
Child Lock Function
Use this option to disable the controls. This
feature can prevent children from changing
cycles or operating the appliance.
1
Press
flashes.
2
Press
or
button repeatedly until the
icon flashes.
3
Press OK/CLEAR button to complete the
setting.
4
Press ESC button to exit the setup mode.
Press ESC button to exit the setup mode.
NOTE
••After setup, it automatically exits setup mode
if there is no button input for 25 seconds.
••When exiting without pressing the set button,
the changed value is not applied.
••The menu item might not be partially selected
according to product function.
••If you want independent cleaning air drive,
please setup cleaning air by pressing
additional drive button at ventilation drive.
••Some functions may not be supported,
depending on the model.
button repeatedly until the
icon
NOTE
••After setup, it automatically exits setup mode
if there is no button input for 60 seconds.
••When exiting without pressing the set button,
the changed value is not applied.
••When cancelling lock function, if moving to
icon by pressing
or
button and then,
pressing OK/CLEAR button, child lock
function is cancelled.
17
EN
Filter Sign Clear Function
Change Current Time Function
This function is to clear the indicator of indoor
filter cleaning.
1
Press
button repeatedly until the
icon flashes.
2
Press
3
Press
key to switch to AM/PM setting
mode.
••The AM/PM segment will flash.
4
Press
or
button to set the desired
AM/PM value.
5
Press
or
to switch to Hour setting
mode.
••The Hour segment will flash.
6
Press
or
Hour value.
7
Press
or
to switch to Minute setting
mode.
••The Minute segment will flash.
8
Press
or
button to set the desired
Minute value.
9
Press OK/CLEAR button to complete the
setting.
1
2
Press
button repeatedly until the
icon flashes.
Press OK/CLEAR button to complete the
setting.
NOTE
••When the filter is covered with dust, the
cooling/heating efficiency will be reduced and
more electric power will be required. Clean the
filter whenever cleaning time is expired.
••Filter cleaning indication is automatically
cancelled after a certain period of time without
having to cancel it manually.
or
to adjust the current day.
button to set the desired
10 Press ESC button to exit the setup mode.
NOTE
••In case of exit with incomplete information, it
will return to the previous setting.
••When exiting without pressing the set button,
the changed value is not applied.
18
EN
Change Temperature Function
Change temperature is the function to setup
cooling and heating drive automatically
changeable according to the temperature at
artificial intelligence drive mode.
1
Press
button repeatedly until the
icon flashes.
2
Press
or
button to change.
••Converting temp value: 1 ~ 7
3
Press OK/CLEAR button to complete the
setting.
4
Press ESC button to exit the setup mode.
NOTE
••Press button to exit or system will
automatically release without any input after
60 seconds.
••When exiting without pressing the set button,
the changed value is not applied.
Using the Reservation
Function
Simple Reservation Function
It is automatically turned on or off at the set
time.
1
Press
button repeatedly until the
SIMPLE icon flashes.
2
Press
or
button to adjust the
sheduled time.
••The timer can be set from 1 to 7 hours.
3
Press OK/CLEAR button to complete the
setting.
4
Press ESC button to exit the setup mode.
NOTE
••After setup, it automatically exits setup mode
if there is no button input for 25 seconds.
••When exiting without pressing the set button,
the changed value is not applied.
19
EN
Sleep Reservation Function
On Reservation Function
The product runs in the sleep mode or it stops
after a certain period of time while you are
sleeping. When the sleep mode is programmed
after connecting to a ventilator, and in a certain
period of time after sleep mode operation, only
sleep mode will be cancelled.
It is automatically turned on at the set time.
1
Press
button repeatedly until the SLEEP
icon flashes.
2
Press
or
button to adjust the
sheduled time.
••The timer can be set from 1 to 7 hours.
3
Press OK/CLEAR button to complete the
setting.
4
Press ESC button to exit the setup mode.
NOTE
••After setup, it automatically exits setup mode
if there is no button input for 25 seconds.
••When exiting without pressing the set button,
the changed value is not applied.
••When the sleep timer is set, the air
conditioner operates in the sleep mode and
stops at the set time.
••Please set the timer properly when sleeping.
(Excessive cooling is not good for your
health.)
••Since it automatically adjusts the desired
cooling temperature in the sleep mode for
comfort, the desired temperature of the
remote controller may be different from the
desired temperature of the air conditioner.
••Sleep reservation operates as off reservation
for the product whose temperature adjustment
isn't controlled by unit of 0.5 °C
20
1
Press
button repeatedly until the ON
icon flashes.
2
Set the AM/PM, Hour and Minute in the
same way as for the Changing Current
Time Function.
3
Press OK/CLEAR button to complete the
setting.
4
Press ESC button to exit the setup mode.
NOTE
••After setup, it automatically exits setup mode
if there is no button input for 25 seconds.
••When exiting without pressing the set button,
the changed value is not applied.
••If the timer is cancelled, ON indication
disappears.
EN
Off Reservation Function
Holiday Reservation Function
It is automatically turned off at the set time.
It automatically stops at reserved day that you
set.
1
Press
button repeatedly until the OFF
icon flashes.
2
1
Press
button repeatedly until the
HOLIDAY icon flashes.
Set the AM/PM, Hour and Minute in the
same way as for the Changing Current
Time Function.
2
Press
or
button to switch to Date
setting mode.
3
Press OK/CLEAR button to complete the
setting.
3
4
Press ESC button to exit the setup mode.
Press ,
or OK/CLEAR button to set or
cancel.
••When you setup Monday and Friday to
holiday, MON and FRI letter disappear.
4
Press ESC button to exit the setup mode.
NOTE
••After setup, it automatically exits setup mode
if there is no button input for 25 seconds.
••When exiting without pressing the set button,
the changed value is not applied.
••If the timer is cancelled, OFF indication
disappears.
NOTE
••Once the holiday timer is set, the air
conditioner automatically stops within one
hour even when you run the air conditioner
unless you cancel holiday timer.
21
EN
Weekly Reservation Function
Weekly Reservation Explanation
You can set the daily reservation in weekly unit.
1
Press
button repeatedly until the
WEEKLY icon flashes.
Turning on time
2
3
4
Press
or
button to select weekly
reservation 1 or 2 .
••Weekly timer can be programmed up to 2
schedules per day, and up to 14
reservations per week.
Press
or
button to switch to Date
setting mode.
••The Date segment will flash.
Set the AM/PM, Hour and Minute in the
same way as for the Changing Current
Time Function.
••This section is to program when the
product will turn ON.
5
Set the AM/PM, Hour and Minute in the
same way as for the Changing Current
Time Function.
••This section is to program when the
product will turn OFF.
6
Press OK/CLEAR button to complete the
setting.
22
Reservation number
Turning off time
Under Bar: The indication that there is a weekly
timer set for the day
NOTE
••If you setup in the same method as above by
selecting the day that you'd like to setup, it is
operated by the weekly timer.
••If you setup the start and end times for the
timer the same, the timer would not work.
••The indoor unit is turned on to the desired
temperature if it is configured using
or
button in the preset of weekly operation time.
••When the desired temperature is not set, it is
turned on automatically to the desired
temperature of previous operation.
EN
Simple Wired Remote Controller
Button
Display
Screen
-
TEMP
Description
To turn on/off the air
conditioner.
To adjust the desired room
temperature in cooling, heating
or auto changeover mode.
To select the cooling mode.
To select the heating mode.
OPER
MODE
FAN
SPEED
To select the dehumidification
mode.
To select the fan mode.
To select the auto changeover/
auto operation mode.
TEMP
OPER
MODE
FAN
SPEED
To adjust the fan speed.
NOTE
••Depending on the product type, some functions may not
be available and displayed.
••The displayed temperature can be different from the actual
room temperature if the remote controller is installed
somewhere exposed to direct sunlight or is nearby a heat
source.
••Depending on the product, wireless and wired remote
control are optional or basic.
••Operation modes: Cooling → Dehumidification → Heating
→ Auto Operation → Fan Operation
••Heating Mode is not available for Cooling only Models.
23
EN
Using the Mode Function
Auto Operation
This function allows you to select the desired
function.
In this operation mode, the system is
automatically operated by the electronic
controls.
••Setting temp range:
Common: 18 °C ~ 30 °C
UAE Only: 20 °C ~ 30 °C
Cooling Mode
1
Turn the appliance on.
2
Press OPER MODE button repeatedly to
select the Cooling Mode.
••
3
is displayed on the display screen.
Press
or
temperature.
button to set the desired
Heating Mode
1
Turn the appliance on.
2
Press OPER MODE button repeatedly to
select the Heating Mode.
••
3
••This function properly operates when you use
the remote controller that goes with each
model.
Dehumidification Mode
This mode removes excess moisture from a
highly humid environment or during the rainy
season, in order to prevent molding from setting
in.
1
Turn the appliance on.
2
Press OPER MODE button repeatedly to
select the Dehumidification Mode.
is displayed on the display screen.
Press
or
temperature.
button to set the desired
NOTE
••What is the three-minute delay function?
−−It will take time for the product to blow warm
air. The delay is to protect the compressor.
The room will be heated with warm air after
three minutes when the compressor begins
operation.
24
NOTE
••
3
is displayed on the display screen.
Press FAN SPEED button repeatedly to
adjust the fan speed.
NOTE
••Press the FAN SPEED button to select airflow
rate [Lo→Med→Hi].
••The room temperature is not displayed on the
display screen.
••When the humidity removal drive is running,
wind strength will initially be ‘weak’.
••The temperature setting cannot be adjusted
when this mode is operating.
••During rainy seasons or in high-humidity
climates, it is possible to simultaneously
operate the dehumidifier and cooling mode to
remove humidity effectively.
••Certain “wind strength” options may not be
available depending on the product model.
EN
Fan Mode
NOTE
This mode only circulates the indoor air without
changing the room temperature.
1
Turn the appliance on.
2
Press OPER MODE button repeatedly to
select the Fan Mode.
••
3
is displayed on the display screen.
Press FAN SPEED button to adjust the fan
speed.
••If you press the FAN SPEED button, the fan
speed will change in the order of
[Lo→Med→Hi→Lo].
••The initial fan speed is “Hi”.
••The fan speed may not function in the way
that you selected if the product is not
compatible.
Using the Temperature
Setting Function
You can easily adjust to the desired
temperature.
NOTE
••
••Press the FAN SPEED button to select airflow
rate [Lo→Med→Hi].
••The AHU compressor does not operate when
running Fan mode.
••The temperature setting cannot be adjusted
when operating this mode.
••Certain “wind strength” options may not be
available depending on the product model.
••
: Decrease 1 ˚C or 2 ˚F each time
pressed.
Using the Fan Speed
Function
Adjusting the Fan Speed
••Press FAN SPEED button repeatedly to adjust
the fan speed.
Display Screen
Speed
High
Medium
Low
: Increase 1 ˚C or 2 ˚F each time pressed.
NOTE
••5 °C is proper for the difference between room
and outside temperature.
••Cooling operation
−−The cooling mode doesn’t work if the desired
temperature is higher than room
temperature. Please lower the desired
temperature.
−−Setting temp range:
Common: 18 °C ~ 30 °C
UAE Only: 20 °C ~ 30 °C
••Heating operation
−−The heating mode doesn’t work if the
desired temperature is lower than room
temperature.
−−Please increase the desired temperature.
−−Setting temp range: 16 °C ~ 30 °C
−−When pressing the FAN SPEED button of
the remote controller for approx. 3 seconds,
the room temperaturewill be displayed for
about 5 seconds before returning to the
previous display panel.
25
EN
Child Lock Function
Different Mode Drive
The function is to prevent children or others
from carelessly using the product.
Different mode drive occurs when multiple
indoor units connected to a single AHU have
different drive modes.
(Different mode dirve is not available for
Cooling-only models.)
1
2
Turn the appliance on.
Press
and FAN SPEED button for 3
seconds.
••
is displayed on the display screen.
NOTE
••When ‘Child Lock’ is initially set, 'CL' will be
displayed for approx. 3 seconds on the
temperature display before returning to the
previous mode.
••After turning on ‘CL’, other buttons/functions
will not work for approx. 3 seconds while 'CL'
appears on the temperature display.
••If you want to use the ‘CL’ function while the
device is in standby mode, press the
and
FAN SPEED button for approx. 3 seconds
while in standby mode and the system will
activate the 'CL' function.
••To release Child Lock, press and hold the
and FAN SPEED button for approx. 3
seconds.
26
NOTE
••If one indoor unit is operating in heating mode
while several indoor units are operating in
cooling mode, the outdoor segment and
cooling segment will be blinking.
−−This means that the outdoor unit is operating
in cooling mode.
••If one indoor unit is operating in cooling or
dehumidification mode while several indoor
units are operating in heating mode, the
outdoor segment and cooling segment will be
blinking.
−−This means that the outdoor unit is operating
in heating mode.
••Press the
button, and the indoor unit will
automatically run in the same mode as the
other indoor units after about 5 seconds.
••If ‘different mode drive’ is not available with
your product, 'CH07' will be displayed on the
LCD.
••If ‘CH07’ is displayed, please change the
mode.
••Different mode drive is not an error.
MAINTENANCE
EN
WARNING
••Before cleaning or performing maintenance, disconnect the power supply and wait until the fan
stops.
If the air conditioner will not be used for an extended period of time, dry the air conditioner to
maintain it in best condition. Clean the product regularly to maintain optimal performance and to
prevent possible breakdown.
••Dry the air conditioner in Fan mode for 3 to 4 hours and disconnect the power. There may be
internal damage if moisture is left in its components.
••Before using the air conditioner again, dry the inner components of the air conditioner in Fan mode
for 3 to 4 hours. This will help to remove the odor generated from moisture.
27
EN
Clean the Air Filter
1
WARNING
Remove the air filter from the indoor unit.
••Hold the tab and pull slightly forward to
remove the filter.
••Turn off the power and unplug the power cord
before you perform any maintenance;
otherwise it may cause electric shock.
CAUTION
••Never touch the metal parts of the air
conditioner when removing the air filter.
••Never use water that is higher than 40 °C
when you clean the filter. It may cause
deformation or discoloration.
••Never use volatile substances when you clean
the filter. They may damage the surface of the
product.
••Do not use bleach or abrasives.
Type 1
Air filter
Type 2
NOTE
Air filter
2
Clean the filter with a vacuum cleaner or
with lukewarm water with neutral detergent.
3
Dry the filter in the shade.
4
Install the Air filter.
28
••Clean the air filter once every 2 weeks, or
more, if necessary.
••Clean the Indoor unit surface by using a soft,
dry cloth.
••This product is concealed in the ceiling.
••Contact an authorized service center when
maintaining.
TROUBLESHOOTING
EN
Before Calling for Service
Please check the following before you contact the service center. If the problem persists, contact
your local service center.
Problem
The air conditioner
does not work
normally.
Possible Causes
Burning smell and strange
sounds are coming from the
unit.
Water leaks from the indoor
unit even when the humidity
level is low.
The power cable is damaged
or it is generating excessive
heat.
A switch, a circuit breaker
(safety, ground), or a fuse is
not operated properly.
The unit generates an error
code from its self-diagnosis.
The air conditioner is
unplugged.
A fuse exploded, or the power
supply is blocked.
A power failure has occurred.
The air conditioner
does not work.
Corrective Action
••Turn off the air conditioner, switch
OFF, or disconnect the power supply,
and contact the service center.
••Check whether the power cord is
plugged into the outlet or the power
isolators are switched on.
••Replace the fuse or check if the circuit
breaker has tripped.
••Turn off the air conditioner when a
power failure occurs.
••When the power is restored, wait 3
minutes, and then turn on the air
conditioner.
••Check if the circuit breaker has
tripped.
The voltage is too high or too
low.
The air conditioner was turned
••Turn the air conditioner on.
off automatically at a preset
time.
••Make sure that the batteries are
inserted correctly in your remote
controller.
The battery setting in the
••If the batteries are placed correctly,
remote controller is incorrect.
but the air conditioner still does not
operate, replace the batteries and try
again.
29
EN
Problem
Possible Causes
Air is not circulating properly.
The air filter is dirty.
The room temperature is too
high.
The air conditioner
does not emit cool
air.
Cold air is escaping from the
room.
The desired temperature is
higher than the current
temperature.
There is a heating source
nearby.
Fan Mode is selected.
Outside temperature is too
high.
The air conditioner
stops during
operation.
The indoor unit is
still operating even
when the unit has
been turned off.
30
The air conditioner is
suddenly turned off.
A power failure has occurred
during operation.
The Auto Clean function is
being operated.
Corrective Action
••Make sure that there are no curtains,
blinds, or pieces of furniture blocking
the front of the air conditioner.
••Clean the air filter once every 2
weeks.
••See “Clean the Air Filter” for more
information.
••In summer, cooling the indoor air fully
may take some time. In this case,
select the Jet Mode to cool the indoor
air quickly.
••Make sure that no cold air is escaping
through the ventilation points in the
room.
••Set the desired temperature to a level
lower than the current temperature.
••Avoid using heat generators like
electric ovens or gas burners while
the air conditioner is in operation.
••During Fan Mode, air blows from the
air conditioner without cooling or
heating the indoor air.
••Switch the operation mode to cooling
operation.
••The cooling effect may not be
sufficient.
••The Timer Function may have timed
out, which turns the unit off. Check
the timer settings.
••Wait for the power to come back. If
you have the Auto Restart function
enabled, your unit will resume its last
operation several minutes after power
is restored.
••Allow the Auto Clean function to
continue since it removes any
remaining moisture inside the indoor
unit. If you do not want this feature,
you can turn the unit off.
EN
Problem
The air outlet on the
indoor unit is
discharging mist.
Possible Causes
The cooled air from the air
conditioner makes mist.
Corrective Action
••When the room temperature
decreases, this phenomenon will
disappear.
••This symptom requires installing a
drain hose under the base pan.
Contact the installer.
the heating operations,
Water leaks from the In
condensed water drops from
outdoor unit.
the heat exchanger.
A clicking sound can be heard
when the unit starts or stops
due to movement of the
reversing valve.
Creaking sound: The plastic
••These are normal symptoms. The
There is noise or
parts of the indoor unit creak
noise will stop.
vibration.
when they shrink or expand
due to sudden temperature
changes.
Flowing or Blowing sound:
This is the flow of refrigerant
through the air conditioner.
••If the smell does not disappear, you
Odors (such as cigarette
need to wash the filter. If this does not
The indoor unit
smoke) may be absorbed into
gives off an odor.
the indoor unit and discharged work, contact the service center to
clean your heat exchanger.
with airflow.
When Heating Mode starts, the ••This symptom is normal. Please wait
vane is almost closed, and no
until the unit has generated enough
air comes out, even though
warm air to blow through the indoor
the outdoor unit is operating.
unit.
•
•
In Heating Mode, ice/frost is built up
The air conditioner
on the coils when the outside
does not emit warm
temperature falls. This function
The outdoor unit is in
air.
removes a layer of frost on the coil,
Defrosting Mode.
and it should finish in approximately
15 minutes.
••The heating effect may not be
Outside temperature is too
sufficient.
low.
NOTE
••Some functions may not be supported, depending on the model.
31
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