This Air Conditioner uses R410A an environmentally friendly
refrigerant.
According to IEC 60335-1
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.
According to EN 60335-1
This appliance can be used by children aged from 8 years and
above and persons with reduced physical, sensory or mental
capabilities or lack of experience and knowledge if they have
been given supervision or instruction concerning use of the
appliance in a safe way and understand the hazards involved.
Children shall not play with the appliance. Cleaning and user
maintenance shall not be made by children without supervision.
Auto-restart
This air conditioner is equipped with an Automatic restarting facility which allows the air conditioner to resume
the set operating conditions in the event of a supply power shutdown without the use of the remote controller.
Please read carefully through these instructions that contain important information which complies with the
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“Machinery” Directive (Directive 2006 / 42 / EC), and ensure that you understand them.
After reading these instructions, be sure to keep them in a safe place together with the Installation Manual supplied
with your product.
Generic Denomination: Air Conditioner
Definition of Qualified Installer or Qualified Service Person
The air conditioner must be installed, maintained, repaired and removed by a qualified installer or qualified service
person. When any of these jobs is to be done, ask a qualified installer or qualified service person to do them for you.
A qualified installer or qualified service person is an agent who has the qualifications and knowledge described in
the table below.
AgentQualifications and knowledge which the agent must have
Qualified
installer
Qualified
service
person
• The quali¿ ed installer is a person who installs, maintains, relocates and removes the air conditioners made
by Toshiba Carrier Corporation. He or she has been trained to install, maintain, relocate and remove the air
conditioners made by Toshiba Carrier Corporation or, alternatively, he or she has been instructed in such
operations by an individual or individuals who have been trained and is thus thoroughly acquainted with the
knowledge related to these operations.
• The quali¿ ed installer who is allowed to do the electrical work involved in installation, relocation and removal
has the quali¿ cations pertaining to this electrical work as stipulated by the local laws and regulations, and
he or she is a person who has been trained in matters relating to electrical work on the air conditioners made
by Toshiba Carrier Corporation or, alternatively, he or she has been instructed in such matters by an
individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge
related to this work.
• The quali¿ ed installer who is allowed to do the refrigerant handling and piping work involved in installation,
relocation and removal has the quali¿ cations pertaining to this refrigerant handling and piping work as
stipulated by the local laws and regulations, and he or she is a person who has been trained in matters
relating to refrigerant handling and piping work on the air conditioners made by Toshiba Carrier Corporation
or, alternatively, he or she has been instructed in such matters by an individual or individuals who have been
trained and is thus thoroughly acquainted with the knowledge related to this work.
• The quali¿ ed installer who is allowed to work at heights has been trained in matters relating to working at
heights with the air conditioners made by Toshiba Carrier Corporation or, alternatively, he or she has been
instructed in such matters by an individual or individuals who have been trained and is thus thoroughly
acquainted with the knowledge related to this work.
• The quali¿ ed service person is a person who installs, repairs, maintains, relocates and removes the air
conditioners made by Toshiba Carrier Corporation. He or she has been trained to install, repair, maintain,
relocate and remove the air conditioners made by Toshiba Carrier Corporation or, alternatively, he or she
has been instructed in such operations by an individual or individuals who have been trained and is thus
thoroughly acquainted with the knowledge related to these operations.
• The quali¿ ed service person who is allowed to do the electrical work involved in installation, repair,
relocation and removal has the quali¿ cations pertaining to this electrical work as stipulated by the local laws
and regulations, and he or she is a person who has been trained in matters relating to electrical work on the
air conditioners made by Toshiba Carrier Corporation or, alternatively, he or she has been instructed in such
matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the
knowledge related to this work.
• The quali¿ ed service person who is allowed to do the refrigerant handling and piping work involved in
installation, repair, relocation and removal has the quali¿ cations pertaining to this refrigerant handling and
piping work as stipulated by the local laws and regulations, and he or she is a person who has been trained
in matters relating to refrigerant handling and piping work on the air conditioners made by Toshiba Carrier
Corporation or, alternatively, he or she has been instructed in such matters by an individual or individuals
who have been trained and is thus thoroughly acquainted with the knowledge related to this work.
• The quali¿ ed service person who is allowed to work at heights has been trained in matters relating to
working at heights with the air conditioners made by Toshiba Carrier Corporation or, alternatively, he or she
has been instructed in such matters by an individual or individuals who have been trained and is thus
thoroughly acquainted with the knowledge related to this work.
Q Warning indications on the air conditioner unit
Warning indicationDescription
WARNING
ELECTRICAL SHOCK HAZARD
Disconnect all remote
electric power supplies
before servicing.
WARNING
Moving parts.
Do not operate unit with grille
removed.
Stop the unit before the servicing.
CAUTION
High temperature parts.
You might get burned
when removing this panel.
CAUTION
Do not touch the aluminum
fins of the unit.
Doing so may result in injury.
CAUTION
BURST HAZARD
Open the service valves before
the operation, otherwise there
might be the burst.
WARNING
ELECTRICAL SHOCK HAZARD
Disconnect all remote electric power supplies before servicing.
WARNING
Moving parts.
Do not operate unit with grille removed.
Stop the unit before the servicing.
CAUTION
High temperature parts.
You might get burned when removing this panel.
CAUTION
Do not touch the aluminum fins of the unit.
Doing so may result in injury.
CAUTION
BURST HAZARD
Open the service valves before the operation, otherwise there
might be the burst.
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Precautions for safety
1
The manufacturer shall not assume any liability for the damage caused by not observing the description of this manual.
WARNING
General
• Carefully read Owner’s Manual before starting the air conditioner. There are many important things to keep in mind
for daily operation.
• Ask for installation to be performed by the dealer or a professional. Only a qualified installer is able to install an air
conditioner. If a non-qualified person installs an air conditioner, it may result in problems such as fire, electric shock,
injury, water leakage, noise and vibration.
• Do not use any refrigerant different from th
high pressure may be generated in the ref rigerat ion cycle , which m ay resul t in a fail ure or expl osion of t he product or
an injury to your body.
• Places where the operation sound of the outdoor unit may cause a disturbance. (Especially at the boundary line with
a neighbour, install the air conditioner while considering the noise.)
Transportation and storage
• To transport the air conditioner, wear shoes with protective toe caps, protective gloves, and other protective clothing.
• To transport the air conditioner, do not take hold of the bands around the packing carton. You may injure yourself if
the bands should break.
• Before stacking the packing cartons for storage or transportation, heed the precautions written on the packing
cartons. Failure to heed the precautions may cause the stack to collapse.
• The air conditioner must be transported in stable con dition. If any part of the product broken, contact you
• When the air conditioner must be transported by hand, carry it by two or more people.
Installation
• Only a qualified installer or qualified service person is allowed to carry out the electrical work of the air con ditioner.
Under no circumstances must this work be done by an unqualified individual since failure to carry out the work
properly may result in electric shocks and/or electrical leaks.
• After the installation work has been completed, have the installer explain about the circuit breaker positions. In
event that trouble has occurred in the air conditioner, set the circuit breaker to the OFF position, and contact a service
person.
• If the unit is installed in a small room, take appropriate measures to prevent the refrigerant from exceeding the limit
concentration even if it leaks. Consult the dealer from whom you purchased the air conditioner when you implement
the measures. Accumulation of highly concentrated refrigerant may cause an oxygen deficiency accident.
• Do not install the air co
combustible gas leaks and becomes concentrated ar ound the unit, a fire may occur.
• Use the company-specified products for the separately purchased parts. Use of non-specified products may result in
fire, electric shock, water leakage or other trouble. Have the installation performed by a professional.
• Confirm that earthing is performed correctly.
nditioner in a location that may be subject to a risk of expire to a combustible gas. If a
Operation
• Before opening the intake grille of the indoor unit or service panel of the outdoor unit, set the circuit breaker to the
OFF position. Failure to set the circuit breaker to the OFF position may result in electric shocks through contact with
the interior parts. Only a qualified installer or qualified service person is allowed to remove the intake grille of the
indoor unit or service panel of the outdoor unit and do the work required.
• Inside the air conditioner are high-voltage areas and rotating parts. Due to the danger of electric shocks or of your
r physical objects becoming trapped in the rotating parts, do not remove service panel of the outdoor unit.
fingers o
When work involving the removal of these parts is required, contact a qualified installer or a qualified service person.
• Do not move or repair any unit by yourself. Since there is high voltage inside the unit, you may get electric shock
when removing the cover and main unit.
• Use of a stand more than 50 cm high to clean the filter of the indoor unit or to carry out othe
working at heights. Due to the danger of falling off the stand and injuring yourself while working at heights, this kind
of work should not be done by unqualified individuals. When this kind of work must be carried out, do not do it yourself
but ask a qualified installer or a qualified service person to do it for you.
• Do not touch the aluminum fin of the outdoor unit. You may injure yourself if you do so. If the fin must be touched, do
not touch it yourself but contact a qualif
• Do not climb onto or place objects on top of the outdoor unit. You may fall or the objects may fall off of the outdoor
unit and result in injury.
e one specified for complement or replacement. Otherwise, abnormally
r dealer.
r such jobs constitutes
ied installer or a qualified service person.
the
• Do not place any combustion appliance in a place where it is directly exposed to the wind of air conditioner, otherwise
it may cause imperfect combustion.
• When the air conditioner is operated with a combustion appliance in the same place, ventilate the room sufficiently.
Poor ventilation causes oxygen shortage
• When the air conditioner is used in a closed room, sufficiently ventilate the room. Poor ventilation causes oxygen
shortage.
• Do not expose your body to cool air directly for a long time and do not cool yourself excessively.
Doing so may result in deteriorated physical condition and ill health.
• Do not insert your finger or a stick into the air intake or discharge.
Doing so may result injury as the fan is rotating at high speed inside the unit.
• Consult the shop where you purchased the air conditi
refrigerant leakage may be the cause. Confirm the repair details with a qualified service person when the repair
includes additional charging of the refrigerant.
• Stop running the air conditioner and turn off the breaker before cleaning.
Otherwise, injury may result as the fan is rotating at high speed inside the unit.
.
oner if air conditioning (cooling) is not performed properly as a
Repairs
• If there is any kind of trouble (such as when an error display has appeared, there is a smell of burning, abnormal
sounds are heard, the air conditioner fails to cool or water is leaking) has occurred in the air conditioner, do not touch
the air conditioner yours elf but set the cir cuit breaker to t he OFF position, an d contact a quali fied service pe rson. Take
steps to ensure that the power will not be turned on (by marking “out of service” near the circuit breaker, for instance)
until qualified service person arrives. Continuing to use the air conditioner in the
problems to escalate or result in electric shocks or other trouble.
• If the fan grille is damaged, do not approach the outdoor unit but set the circuit breaker to the OFF position, and
contact a qualified service person to have the repairs done. Do not set the circuit breaker to the ON position until the
repairs are completed.
• If there is a danger of the indoor unit’s falling, do not approach the indoor unit but set the circuit breaker to the OFF
and contact a qualified installer or a qualified service person to refit the unit. Do not set the circuit breaker
position,
to the ON position until the unit has been refitted.
• If there is a danger of the outdoor unit’s toppling over, do not approach the outdoor unit but set the circuit breaker to
the OFF position, and contact a qualified installer or a qualified service person to have the improvements or refitting
done. Do not set the circuit breaker to the ON position until the improvemen
• Do not customize the unit. Doing so may result in fire, electric shock or other trouble.
trouble status may cause mechanical
ts or refitting is completed.
Relocation
• When the air conditioner is to be relocated, do not relocate it yourself but contact a qualified installer or a qualified
service person. Failure to relocate the air conditioner properly may result in electric shocks and/or a fire.
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CAUTION
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To disconnect the appliance from the mains supply.
• This appliance must be connected to the mains by means of a switch with a contact separation of at least 3 mm.
The installation fuse (all types can be used) must be used for the power supply line of this air conditioner.
Installation
• Certainly lay the drain hose for perfect draining. Improper drainage may cause flooding in the house and getting
furniture wet.
• Connect the air conditioner to an exclusive power supply of the rated voltage, otherwise the unit may break down or
a fire.
cause
• Confirm that the outdoor unit are fixed on the base. Otherwise, falling down of the units or other accidents may occur.
Operation
• Do not use this air conditioner for special purpose such as preserving food, precision instruments, art objects,
breeding animals, car, vessel.
• Do not touch any switches with wet finger, otherwise you may get an electric shock.
• If the air conditioner will not be used for a considerably long time, turn off the main switch or the circuit breaker, for
safety.
the air conditioner operate in its original performance, operate it within the range of the operating
•To make
temperature specified in the instructions. Otherwise it may cause a malfunction, or water leak from the unit.
• Prevent any liquid from falling into the remote controller. Do not spill juice, water or any kind of liquid.
• Do not wash the air conditioner. Doing so may result in electric shock.
• Check whether the installation base and other equipment have become deteriorated after being used for a long
Leaving them such condition may result in the unit’s falling down and causing injury.
• Do not leave flammable sprays or other flammable materials near the air conditioner, and do not spray flammable
aerosol directly to the air conditioner. They may catch fire.
• Stop running the air conditioner and turn off the breaker before cleaning.
Otherwise, injury may result as the fan is rotating at high speed inside the unit.
• Ask for cleaning of the air conditioner to be performed by the dealer.
• Do not put a water container such as a vase on the unit.
the air conditioner in an improper manner may cause damage to plastic parts, insulation failure of electric
Cleaning
parts or other parts, and result in a malfunction. In the worst case, it may result in water leakage, electric shock,
smoke emission or fire.
Water intrusion into the unit may occur and it may cause deterioration of electric insulation and result in electric shock.
time.
Information on the transportation, handling and storage of the
carton
Examples of indication on the carton
pord ton oDyrd peeK
nwod yal ton oDeligarF
8 cartons
Stacking height
(9 cartons can be stacked in this
case)
Handle with care
Do not walk on this carton
pets ton oDpu edis sihT
noitpircseDlobmySnoitpircseDlobmyS
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CAUTION
Injury possibility.
Don’t handle with packing band, or may get injured in case of broken band.
Stacking notice.
In case that cardboard boxes protrude out of pallet when stacking.
Lay a 10 mm thick plywood over the pallet.
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Part names
2
Indoor unit
Knob
Knob to open/close the
suction port.
Signal receiving
unit
Air filter
Removes dust or trash.
(Provided on the suction port.)
Projection
of air filter
Earth screw
Provided in the electric control box.
Discharge louver
of discharge port
Change the direction of the air
to be discharged according to
cool mode.
Suction air port
The air in the room is sucked in
from this port.
Outdoor unit (The design varies depending on the outdoor unit.
The following illustration shows an example.)
Air intake
(Side and rear)
Panel
There is an earth screw, valves,
and electric parts inside.
Air discharge
Piping panel
Fixing leg
Wiring hole
Refrigerant pipe outlet
Wireless remote controller
3
3-1. Parts name of remote
controller
Wireless remote controller
and its functions
1
4
13
14
2
6
7
ON OFF
9
5
3
12
11
10
8
1 Infrared signal emitter
Transmits a signal to the indoor unit.
2 START/STOP button
Press the button to start operation.
(A receiving beep is heard.)
Press the button again to stop operation.
(A receiving beep is heard.)
If no receiving sound is heard from the indoor unit,
press the button twice.
3 Mode select button (MODE)
Press this button to select a mode.
Each time you press the button, a mode is
selected in a sequence that goes from A: Auto
changeover control, : Cool, : Dry, : Fan
only, and back to A. (A receiving beep is heard.)
4
Temperature button ( )
...... The set temperature is increased up to
30 °C.
...... The set temperature is dropped down to
17 °C. (A receiving beep is heard.)
...... The temperature is not displayed during
Fan only operation.
5 Fan speed button (FAN)
Press this button to select fan speed. When you
select AUTO, the fan speed is automatically
adjusted according to the room temperature.
You can also manually select the desired fan
speed from among five settings.
(LOW , LOW
MED
Five patterns are displayed, but LOW+ is
equal to LOW , and MED+ to MED
When you select Dry, fan speed is automatically
changed to AUTO and it is not manually
adjustable.
(A receiving beep is heard.)
+
.
+
, MED,
, HIGH)
6 Auto louver button (SWING)
Press this button to swing the louver.
(A receiving beep is heard.)
Press the SWING button to stop the louver
swinging.
(A receiving beep is heard.)
7 Set louver button (FIX)
Press this button to adjust the airflow direction.
(A r
eceiving beep is heard.)
It cannot be operated by holding down the button.
Push the button with some interval.
Off timer button (OFF)
8
Press this button to set the OFF timer.
9 On timer button (ON)
Press this button to set the ON timer.
10
Reserve button (SET)
Press this button to reserve time settings.
(A receiving beep is heard.)
11
Cancel button (CLR)
Press this button to cancel ON timer and OFF
timer. (A receiving beep is heard.)
12
High power button (Hi-POWER)
Press this button to start the high power operation.
Only available during Auto changeover control or
Cool operation.
This function is not operated group control.
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PRESET button
Press this button to change the operation mode to
the preferred operation mode memorized
previously. To memorize the operation mode,
press this button for at least 3 seconds during the
preferred operation mode. is displayed and the
operation mode is memorized.
14
SLEEP button
Press this button to start the OFF timer operation
that automatically adjusts the room temperature
and the fan speed.
You can select the OFF timer time from four
durations (1, 3, 5 or 9 hours).
Names and functions of
indications on wireless
remote controller
Display
All indications, except for clock time indication, are
indicated by pressing the START/STOP button.
3
12
8
7
5
6
• In the illustration, all indications are indicated for
explanation.
During operation, only the relevant indications will be
indicated on the remote controller.
4
1 Transmission mark
This transmission mark ( ) indicates when the
remote controller transmits signals to the indoor
unit.
2 Mode display
Indicates the current operation mode.
(A: Auto changeover control, : Cool, : Dry,
: Fan only)
3 Temperature display
Indicates the temperature setting (17 °C to 30 °C).
When you set the operating mode to : Fan only,
no temperature setting is indicated.
4 FAN speed display
Indicates the selected fan speed. AUTO or one of
five fan speed levels (LOW , LOW
MED, MED
can be indicated.
Indicates when the operating mode is :
Dry.
+
+
, HIGH)
5 TIMER and clock time display
The time set for timer operation or clock time is
indicated.
The present time is always indicated except for
TIMER operation.
6 Hi POWER display
Indicates when the high power operation starts.
Press the Hi-POWER button to start and press it
again to stop the operation.
7 (PRESET) display
Indicated when memorizing the preferred
operation mode or when it has been memorized.
Also, this icon is indicated when the memorized
preferred operati
on is displayed.
8 Swing display
Indicated during the swinging operation where the
horizontal louver automatically moves up and
down.
Preparation and check before
,
use
Loading batteries
1
Remove the battery cover.
2 Insert 2 new batteries (R03 [AAA]) following
the (+) and (–) positions.
A
C
L
3-2. Adjusting clock
Setting the clock
Before you start operating the air conditioner, set the
clock of the remote controller using the procedures
given in this section. The clock panel on the remote
controller will indicate the time regardless of whether
the air conditioner is in use or not.
Initial setting
When batteries are inserted in the remote controller the
clock panel will indicate AM 0:00 and will flash.
Batteries
• To replace the batteries, use two new batteries (R03
[AAA]).
• In normal use, the batteries will last about one year.
• Replace the batteries if there is no receiving beep
from the indoor unit or when the air conditioner
cannot be operated using the remote controller.
• To avoid malfunctions by battery leakage, remove
the batteries when not using the remote controller for
more than one month.
ON OFF
OFF
1 TIMER or button
ON
Press the TIMER or button to set the current
time.
Each press of the TIMER button changes the time
in one minute steps.
Pressing the TIMER button continually changes
the time in ten minute steps.
OFF
ON
1
2
2 SET button
Press the SET button.
The current time is indicated and the clock starts.
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Clock adjusting
2
ON OFF
3
1
1 CLOCK button
Press the CLOCK by tip of a pencil.
The CLOCK display flashes.
OFF
2 TIMER or button
3
ON
ON
Press the TIMER or button to set the current
time.
Each press of the TIMER button changes the time
by one minute.
Pressing the TIMER button continually changes
the time by ten minutes.
SET button
Press the SET button.
The current time is indicated and the clock starts.
OFF
3-3. Handling the remote
controller
CAUTION
• The air conditioner will not operate if curtains, doors or
other materials block the signals from the remote
controller to the indoor unit.
• Prevent any liquid from falling into the remote
controller.
• Do not expose the remote controller to direct sunlight
or heat.
• If the infrared signal receiver on the indoor unit is
exposed to direct sunlight, the air conditioner may not
function properly.
Use curtains to prevent the sunlight from reaching the
receiver.
• If the room using the a
lighting with electronic starters, signals may not be
properly received. If you are planning to use such
fluorescent lamps, consult your local dealer.
• If other electrical appliances react to the remote
controller move these appliances or consult your local
dealer.
Location of the remote
controller
•
The standard distance for signal reception is
approximately 8 m vertically against the signal
receiving unit. The distance becomes shorter when
the angle is oblique against the signal receiving unit.
The distance differs a little according to the capacity
of the battery or other factor.
Signal receiving unit
90°
8 m
• Keep 1 m or more from the devices such as
television, stereo, etc.
(Disturbance of image or noise may generate.)
• To prevent a malfunction, select a place where is not
influenced by a fluorescent light or direct sunlight.
• Two or more (Up to 6 units) indoor units with wireless
type remote controller can be installed in the same
room.
ir conditioner has fluorescent
• When you select the timer operation, the remote
controller automatically transmits a signal to the
indoor unit at the specified time.
If you keep the remote controller in a position that
hinders proper signal transmission, a time lag of up
to 15 minutes may occur.
Mounting the remote
controller on the wall
Wall
Back of the remote
controller
Remote controller
mounting screw
When fixing the remote controller on the wall, insert the
supplied remote controller mounting screw into the wall
leaving a slight gap between the wall and the screw
head, and hang the remote controller by inserting the
screw head into the specified position on the back.
3-4. Signal receiving unit
The signal receiving unit is attached to the indoor unit.
4
5
6
1
2
3
1 Temporary operation button
(See page 15)
2 Signal receiving part
The signal sent from the remote controller is
received.
3 Display lamp
One of displays flashed while an error occurs.
When the display lamp flashes, refer to
“Troubleshooting”.
4 lamp (Green)
This lamp illuminates when unit is on.
5 lamp (Green)
This lamp illuminates while the timer is reserved.
6 lamp (Orange)
This lamp flashes during self clean operation and
initial communication.
CAUTION
Disagreement in operation mode.
• If you use a wireless remote controller of another
Toshiba air-conditioner and attempt to operate a
function incompatible with this model, only a reception
sound is heard and the function is not per formed.
(There is a case that the and lamps blink
alternately to inform you of the above.)
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3-5. How to use remote controller
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Cooling / fan only operation
Start
3
4
1
2
START/STOP button ( )
1
Press this button to start the air conditioner.
2 Mode select button (MODE)
Select Cool , or Fan only .
3 Temperature button ( )
Set the desired temperature.
When the air conditioner is in FAN ONLY
operation, the temperature display is not
indicated.
4 Fan speed button (FAN)
Select one of LOW , LOW+,
MED, MED
• The OPERATION lamp (green) on the signal
receiving unit goes on. And operation starts after
approximately 3 minutes.
(If you select FAN ONLY mode, the unit will start
immediately.)
• The : Fan only mode does not control
temperature.
Stop
START/STOP button ( )
Press this button again to stop the air conditioner.
In the Cool, Dry, or Auto (cooling) mode, the fan runs
for 10 minutes (or more) for self clean operation.
+
, HIGH.
Dry operation
Start
3
1
2
1 START/STOP button ( )
Press this button to start the air conditioner.
2
Mode select button (MODE)
Select DRY .
3 Temperature button ( )
Set the desired temperature.
• The fan speed display indicates
• The OPERATION lamp (green) on the signal
receiving unit lights, and operation starts after
approximately 3 minutes.
Stop
START/STOP button ( )
Press this button again to stop the air conditioner.
In the Cool, Dry, or Auto (cooling) mode, the fan runs
for 10 minutes (or more) for self clean operation.
Automatic operation
(auto changeover)
Start
3
4
1
2
1 START/STOP button ( )
Press this button to start the air conditioner.
Mode select button (MODE)
2
Select A.
3 Temperature button ( )
Set the desired temperature.
Fan speed button (FAN)
4
Select one of LOW , LOW+,
MED, MED
• The OPERATION lamp (green) on the signal
receiving unit lights.
The operating mode is selected in accordance with
the room temperature and operation starts after
approximately 3 minutes.
• If the “A” mode is uncomfortable, you can select the
desired conditions manually.
Stop
START/STOP button ( )
Press this button again to stop the air conditioner.
In the Cool, Dry, or Auto (cooling) mode, the fan runs
for 10 minutes (or more) for self clean operation.
+
, HIGH.
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Timer operation
Use the wired remote controller for timer setting if it is
also in use.
ON timer and OFF timer
1
ON OFF
Setting TIMER
1 Push ON / OFF TIMER button ( or ) during
operation.
Press the ON or OFF TIMER buttons as required.
• The previous timer setting is displayed and
flashes along with ON / OFF timer display.
Set the timer to the desired time.
Each press of the TIMER button changes the time
in ten minute steps.
Pressing the TIMER button continually changes
the time in one hour step.
3
2
ON
OFF
2 SET button
Press the SET button to set the timer.
The timer time is indicated and the timer starts.
Cancelling TIMER
3 CLR button
Press the CLR button to cancel the timer
setting.
CAUTION
• When you select the timer operation, the remote
controller automatically transmits the timer signal to
the indoor unit at the specified time. Therefore, keep
the remote controller in a location where it can
transmit the signal to the indoor unit properly.
Otherwise, the time lag of up to 15 minutes will occur.
• If you do not press the SET button within 30
seconds after setting the time, the setting will be
cancelled.
Once you select the timer operation mode, the settings
are saved in the remote controller.
Thereafter, the air conditioner will start operating under
the same conditions when you simply press the ON /
OFF button of the remote controller.
If the clock display is flashing, you cannot set the timer.
Follow the instructions in the section “Setting the clock”
and then set the timer.
Combined timer (Setting both ON
and OFF timers simultaneously)
OFF timer —> ON timer
(Operation —> Stop —> Operation)
This feature is useful when you want to stop the air
conditioner after you go to sleep, and start it again in
the morning when you wake up or you return home.
Example:
To stop the air conditioner and start it again next
morning.
1
2 Press the ON TIMER button to adjust the
3
Operation
Setting combined TIMER
Press the OFF TIMER button to adjust the
OFF timer.
ON timer.
Press the SET button.
Operation again
Stop
OFF
ON
ON timer —> OFF timer
(Stop —> Operation —> Stop)
You can use this setting to start the air conditioner
when you wake up and stop it when you leave the
house.
Example:
To start the air conditioner next morning and stop it.
Operation
Stop
Setting combined TIMER
1 Press the ON TIMER button to adjust the
ON timer.
2 Press the OFF TIMER button to adjust the
OFF timer.
3
Press the SET button.
• Either ON or OFF timer function which is closer to
the current time, is activated first.
• If the same time is set for both ON and OFF timers,
no timer operation is performed.
Also, the air conditioner may stop operating.
ON
OFF
Stop
Every day combined timer
(setting both ON and OFF timer
simultaneously and activate every
day)
This feature is useful when you want to use combined
timer at the same time every day.
Setting combined TIMER
1 Press the ON TIMER button to adjust the
ON timer.
2 Press the OFF TIMER button to adjust the
OFF timer.
ON
OFF
3 Press the SET button.
4 After step 3, an arrow mark ( or ) flashes
for about 3 seconds and during this flashing,
press the SET button.
• During the every day timer is activating, both arrows
( , ) are indicated.
Cancel the timer operation
Press the CLR button.
Clock display
During the TIMER operation (ON-OFF, OFF-ON, OFF
timer) clock display is disappeared so as to show the
setting time. To see the present time, press SET button
briefly and the present time is displayed about 3
seconds.
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High power operation
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High power (Hi POWER)
The Hi POWER (high power operation) mode
automatically controls room temperature, fan speed
and operation mode so that the room is quickly cooled.
1
Setting Hi POWER mode
1 Hi-POWER button
Press the Hi-POWER button after starting any
operation. At the same time, the “Hi POWER”
mark on the remote controller is indicated.
Preset operation
Set your preferred operation mode for future use.
The setting is memorized by the unit for future
operation (except airflow direction).
1
Select your preferred operation.
1 Press the PRESET button for 3 seconds to
memorize the setting.
The mark is displayed.
When you press this button next time, the
memorized operation mode will be enabled.
Sleep timer operation
To start the sleep timer (OFF timer) operation.
1
ON OFF
Cancelling Hi POWER mode
1 Hi-POWER button
Press the Hi-POWER button once again.
At the same time, the “Hi POWER” mark on the
remote controller goes out.
CAUTION
• The Hi POWER mode cannot be activated in the DRY
and FAN ONLY operation and when the ON TIMER
operation is reserved.
• Hi POWER mode is not available for group control.
When Hi POWER is transmitted to the Header indoor
unit, the receiving sound is heard but the Hi POWER
mode will not be performed. Please cancel the Hi
POWER mode.
1115350208_EN-TH.indb 10
1 Press the SLEEP button.
Select 1, 3, 5 or 9 hours for the OFF timer
operation.
– 10 –
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Wired remote controller
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4
This remote controller can control the operation of up to 8 indoor units.
4-1. Display section
In the display illustration below all the icons are shown. When the unit is in operation,
only relevant icons will be displayed.
• When the leak breaker is turned on for the first time, flashes on the display
part of the remote controller.
• While this icon is flashing, the model is being automatically confirmed.
Wait till icon has disappeared to use the remote controller.
87
4
3
12
1
– 11 –
Display
section
TIMER SET
SET
ON / OFF
FAN
MODE
Operation
UNIT LOUVER
section
VENT
13
16
TIME
SAVE
CL
SWING/FIX
TEMP.
FILTER
TEST
RESET
2
5
6
9
1 Operation mode
The selected operation mode is displayed.
2 Error display
Displayed while the protective device works or a error
occurs.
3 SETTING display
Displayed during setup of the timer or other settings.
4 TEST run display
Displayed during a test run.
5 Timer display
When an error occurs, error code is displayed.
6 Timer mode display
The selected timer mode is displayed.
7 Louver position display
Displays louver position.
8 Swing display
Displayed during up / down movement of the louver.
10
9
Filter display
Reminder to clean the air filter.
10
Fan speed display
The selected fan speed mode is displayed.
(Auto)
(High)
(Med.)
(Low)
11
Set temperature display
The selected set temperature is displayed.
12
Power saving mode display
Limits compressor speed (capacity) to save energy.
11
17
19
20
13
UNIT No. display
Displays the number of the indoor unit selected.
Also displays error code of indoor and outdoor units.
14
Remote controller sensor display
Displayed while the sensor of the remote controller is
used.
15
No function display
Displayed when the function requested is not available
on that model.
16
Self clean operation display
Displayed during self clean operation to dry the indoor
heat exchanger.
14
15
17
Service display
18
Operation ready display
This display appears on some models.
19
Louver Number display.
(exapmle:01, 02, 03, 04)
20
Louver lock display
Displayed when there is a louver-locked unit in the
group (including 1 indoor unit by 1 ou tdoo r unit ).
18
22-EN21-EN
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4-2. Operation section
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Push each button to select a desired operation.
• The control saves commands in memory and after the initial setting, there is no need for any additional
settings unless changes are desired. The air conditioner can be operated by pushing the button.
5
7
9
11
6
8
10
12
1
2
3
4
1
2
3 button (Filter reset button)
4
5
6 Operation lamp
7
8
9 button (Ventilation button)
10
button (Temperature set button)
Adjusts the set point.
Select the desired set point by pushing TEMP.
or TEMP. .
button (Timer set button)
Use to setup the timer.
Resets “ ” display after cleaning filter.
button (Test button)
Use only for service.
(During normal operation, do not use this button.)
button
When the button is pushed, the operation starts, and it
stops by pushing the butto
When the operation has stopped, the operation lamp and
all the displays disappear.
Green light illuminates when unit is on.
Although it flashes when operating the protection device
or an error occurs.
button (Operation mode button)
Selects desired operation mode.
button (Fan speed button)
Selects the desired Fan speed.
Not available.
• “ ” is displayed on the remote controller when this
button is pushed.
button (Power save operation)
Use to initiate power saving mode.
n again.
11
12
button (Unit / Louver select button)
Selects a unit number (left) and louver number (right).
UNIT:
Selects an indoor unit when adjusting wind direction
multiple indoor units are controlled with one remote
controller.
LOUVER:
Selects a louver when setting wind direction
adjustment independently.
button (Swing / Louver direction
button)
Selects automatic swing or setting the louver
direction.
OPTION:
Remote controller sensor
Usually the temperature sensor of the indoor unit senses the
temperature. The temperature on the surrounding of the
remote controller can also be sensed.
For details, contact the dealer from which you have
purchased the air conditioner.
4-3. Correct usage
When the air conditioner is used for the first time or when the setting is changed, follow the steps below. Settings are saved in
memory and are displayed anytime the unit is turned on by pushing the button.
Preparation
• When the circuit breaker is turned on, the partition lines are displayed on the remote controller.
* After the circuit breaker is turned on, the remote controller does not accept any commands for approx.
1 minute, this is not a failure.
REQUIREMENT
When the air conditioner is re-powered after it has not been used for a long period, turn on the circuit breaker at least 12 hours
before starting the air conditioner.
3
Select fan speed with “” button.
One push of the button, and the display changes
in the order shown below.
Auto
FILTER
RESET
TEMP.
TEST
TIMER SET
TIME
SET
4
Start
1
Push
The operation lamp illuminates, and the operation
starts.
Select an operation mode with the “”
2
button.
One push of the button, and the display changes
in the order shown below.
NOTE
Auto Changeover
• When in Auto Mode, the unit selects the operating mode (cooling or fan only) based on the user set point temperature.
• If the Auto mode is uncomfortable, you can select the desired conditions manually.
Cooling
• If there is a demand for cooling, unit will start approximately 1 minute after mode is selected.
When restarting the operation after stop
When the unit is attempted to restart immediately after it was stopped, the unit can not start for approx. 3 minutes this is to
protect the compressor.
button.
ON / OFF
FAN
MODE
SAVE
VENT
UNIT LOUVER
CL
SWING/FIX
1
3
2
• When fan is in “Auto”, fan speed is
adjusted based on difference between set point
and room temperature.
• The temperature sensor detects the return air
temperature at the indoor unit, which differs
from the room temperature depending on the
installation condition.
Set point is a target of room temperature.
( “Auto” is not selectable in the Fan
mode.)
4 Select the set point temperature by pushing
the “TEMP. ” or “TEMP. ” buttons.
Stop
Push button.
The operation lamp goes off, and the operation stops.
naFyrDotuACool
In the Cool, Dry, or Auto (cooling) mode, the fan runs
for 10 minutes (or more) for self clean operation.
High
Med.Low
EN
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4-4. Timer operation
• Three timer modes are available: (Setting of up to 168 hours is enabled.)
Off timer: The unit stops when the set time is reached.
Repeat Off timer: The unit stops daily when the set time is reached.
On timer: The unit starts when the set time is reached.
1
3
Set
1 Push button.
The timer mode changes with every push of the button.
OffOffOn
No display
• and timer display flashes.
2 Push to select “set time”.
• With every push of button, the set time increases
by 0.5 hr (30 minutes).
When setting a time more than 24 hours for timer
operation, timer can be set in increments of 1 hr.
The maximum set time is 168 hr (7 day s).
The remote control displays the set time with time
(between 0.5 and 23.5 hours) (*
and time (24 hours or more) (*
• With every push of button, the set time decreases
by 0.5 hr (30 minutes) (0.5 - 23.5 hours) or 1 hr (24 168 h
ours).
Example of remote control display
• 23.5 hours (*1)
• 34 hours (*
2
)
1
) or number of days
2
) as shown below.
)remit nO()remit ffO((Repeat Off timer)
3 Push button.
• icon disappears and time display goes on,
4 Cancel timer operation
Push button.
Timer icon disappears.
NOTE
• When the operation stops after the timer reached the
preset time, the Repeat Off timer resumes the operation
by pushing button and stops the operation after
the time of the timer has reached the set time.
• When is pushed while the Off timer function of the
air conditioner is active, the indication of the timer
function disappears and then appears again after about
5 seconds.
This is due to normal processing of the remote controller.
2
4
and or icon flashes.
(When On timer is activated, time and On timer
are icons and other icons disappear.)
4-5. Power saving mode
Case with wired remote controller
The power saving mode saves energy by limiting the maximum current which will effect cooling capacity that the unit can
generate.
Push button during operation.
• The air conditioner enters power saving mode.
• appears on the display.
Power saving mode will stay in effect until it is
cancelled.
To cancel the power saving mode, push
button again.
•disappears.
To configure the power saving mode settings
1
3
5
2
4
1 Push button for at least four seconds when the air conditioner is not working.
•, symbol, and numbers flash.
2 Push (left side of the button) to select an indoor unit to be set.
• Each time the button is pushed, UNIT No. change as follows:
UNIT No.
The fan of the selected unit runs.
Push TIME
3
power saving mode setting.
• Each push of the button changes the power level by
1 % within the range from 100 % to 50 %.
• The factory default is 75 %.
buttons, to adjust the
1-1
4 Push button.
5 Push button to complete the setting.
UNIT No.
1-2
UNIT No.
1-4
UNIT No.
1-3
Setting of power level in
power saving mode
1115350208_EN-TH.indb 13
Number of days Time
shows 1 day (24 hours).
shows 10 hours. (Total 34 hours)
NOTE
• When other electric appliances are used at the same time, to avoid triggering the circuit breaker, power saving mode is
recommended. Of course power saving mode can be used to save energy as well.
• Power saving mode consumes less energy, but may not cool the room as much as normal mode. (The maximum current is
limited to approximately 75 % (factory default) of the normal mode.)
• Even when operation start / stop, operation mode change, or power reset is performed during the power saving mode, the
power saving mode is retained until the next operation.
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Adjusting airflow direction
1
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5
For best cooling, adjust the louvers (adjustment plates
of up/down wind direction) appropriately. Cold air
descends, so to, and to cool a room tilt them
horizontally.
For cooling (COOL)
Direct the louvers horizontally.
To automatically swing the airflow
direction
Perform this function when the air conditioner is in
operation.
Wired remote controller
Unit select button
• When the air conditioner is not working, the louvers
are directed horizontally automatically.
Wireless remote controller
To set the airflow direction
1
1 FIX button
• The louver angle does not change immediately
after the FIX button is pushed. Check the louver
status, and push FIX button after a while.
• In subsequent operations, the vertical airflow is
automatically set in the direction to which you
adjusted the louver using the FIX button.
1
1 SWING button
Press the SWING button on the remote controller.
• To stop the function, press the SWING button.
CAUTION
• The FIX and SWING buttons will be disabled when the
air conditioner is not in operation (including when the
ON timer is set).
• The louver angle does not change if the FIX button is
pushed during SWING operation. Stop the SWING
operation before changing the louver angle.
• Do not operate the air conditioner for long hours with
the airflow direction set downward during the cooling
or dry operation.
Otherwise, condensation may occur on the surf ace of
the vertical airflow louver and cause
• Do not move the vertical airflow louver manually.
Always use the FIX button.
If you move the louver manually, it may malfunction
during operation.
If the louver malfunctions, stop the air conditioner
once, and restart.
• When the air conditioner is started immediately after it
was stopped, the vertical airflow louver might not
move for 10 seconds or so.
• Louver operation is limited when performing group
control.
dew dripping.
How to set up the louver direction
1 Push during operation.
The louver direction changes for every push of the
button.
In COOL / DRY operation
Direct the louver (adjustment plate of up / down wind
direction) horizontally. If directing it downward, the dew
may form on the surface of the air discharge port and
may drop down.
Initial setup
In FAN operation
Select a desired louver direction.
Initial setup
How to start swinging
1 Push , set the louver (adjustment plate
of up / down wind direction) direction to the
lowest position, and then push again.
SWING is displa ye d an d th e up / down louver
direction is automatically selected.
Display during swinging
Repeat
How to stop swinging
1 Push at a desired position while the
louver is swinging.
• When is pushed after that, wind
direction can be set again from the highest
position.
* However, even if is pushed while the
louver is swinging, the louver position is
displayed as follows and highest position of the
louver may not be selected.
Display when swinging is stopped
Fan operation
In this case, push again two seconds later.
• In Cool / Dry operation, the louver does not stop
as it directs downward. If stopping the louver as
it directs downward during swing operation, it
stops after moving to the third position from the
highest position.
Cool / Dry
operation
Display when stopping the swing
Fan operation
Cool / Dry
operation
Unit select button
• When multiple indoor units are controlled with one
remote controller, louver direction can be set for
each indoor unit by selecting individually.
• To set louver direction individually, push
button to display an indoor unit number in the control
group. Then set the wind direction of the displayed
indoor unit.
• When no indoor unit number is displayed, all indoor
units in the control group can be controlled
simultaneously.
• Each time button is pushed, the display
changes as follows:
UNIT No.
1-1
Not
display
UNIT No.
1-2
UNIT No.
1-4
UNIT No.
1-3
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How to set louver wind direction
1115350208_EN-TH.indb 15
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individually
1 Select an indoor unit to be set by pushing
(left side of the button) during
operation.
• The indoor unit number changes each time you
push the button.
Unit No.
1-1
* When no unit number is displayed, all indoor units
are selected.
Not
display
Unit No.
1-2
Unit No.
1-4
Unit No.
1-3
2 Select a louver you want to adjust change by
(right side of the button).
pushing
• Each time you push the button, the display on
the left of the remote controller changes as
follows:
Not
display
* When no louver number is displayed, all four louvers
are selected.
Louver No.
Electrical control box
03
3
Determine wind direction of the selected
louver by pushing .
• Each time you push the button, the display
changes as follows:
(1)(2)(3)(4)
(7)(6)(5)
* During COOL (DRY) mode, (4) and (5) are not
displayed.
– 15 –
Self clean mode
6
This function is provided to dry the inside of the indoor unit by the FA N ope r at i on af te r runni ng th e co ol i ng
/ dry / AUTO (cooling) mode to keep the indoor unit clean.
• The self clean time varies with the cooling / dry / Auto (cooling) operation time as follows.
Cooling / dry / Auto (cooling) emit naelc flesemit noitarepo
nim 01
• “” is displayed on the remote controller during self clean operation.
• The operation lamp (Orange) lights and (Green) does not light on the signal receiving unit during self clean
operation.
To stop self clean forcibly, press START/STOP button twice in succession.
noitarepo naelc fles oNsetunim 01 naht sseL
ruoh1ruoh 1 naht ssel ot setu
sruoh2ruoh 1 naht eroM
CAUTION
• The fan continues to run even after START/STOP button is pushed to stop operation in some modes.
This is normal because the self clean mode is in progress.
• The louvers open slightly and are directed horizontally during self clean, and they close when the self clean is
completed.
• The self clean mode (function) cannot clean the room or remove the already existing mold and dust inside the indoor
unit.
• To cancel the self clean function, consult the d ealer.
Refrigerant
pipe
Drain pipe
1115350208_EN-TH.indb 15
01
0204
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Operating air conditioner without remote
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7
controller (temporary operation)
In the following cases, the air conditioner can be operate without remote controller with temporary operation
button on the signal receiving unit.
• The battery in the remote controller expired.
• A trouble occurred on the remote controller.
• The remote controller has been lost.
1
2
1
Start
Push temporary operation button.
• The operation mode is the one last selected.
If you want to change it, turn the power off and
then on, and push the temporary operation
button again.
2 Stop
Push temporary operation button once more.
Wireless remote controller A-B selection
8
Using 2 wireless remote controllers for the respective air
conditioners, when the 2 air conditioners are closely installed.
Wireless remote controller B setup
1. Push the temporary operation button to start the air
conditioner.
2. Point the wireless remote controller at the indoor
unit.
3. Push and hold button on the wireless remote
controller by the tip of the pencil.
“00” will be shown on the display.
4. Push MODE button during pushing . “B” will
be shown on the display and “00” will be disappear
and the air conditioner will turn OFF. The wireless
remote controller B is memorized.
NOTE
• Repeat above step to reset wireless remote controller to be
A.
• The wireless remote controllers do not display “A”.
• The factory default of the wireless remote controllers is “A”.
CHK
CHK
“B” Display
“00” Display
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Advanced settings
9
Case with wired remote controller
How to set up swing type
3
4
5
1 Push for at least four seconds when
the air conditioner is not working.
•, symbol, and numbers flash.
Select an indoor unit to be set by pushing
2
3 Select a swing type by pushing TIME
(left side of the button).
• Each time you push the button, unit numbers
change as follows:
Unit No.
1-1
The fan of the selected unit runs and the louvers
start swinging.
buttons.
Not
display
Unit No.
1-2
Unit No.
1-4
Unit No.
1-3
2
1
CAUTION
Do not set the swing setup code to “0000”.
(This setting may cause a failure of the louvers.)
4 Push the button.
5 Push the button to finish the setting.
Standard swing
All four louvers swing simultaneously at the same
angle.
Swing
Dual swing
Adjoining louver alternately swing horizontally and
downward.
Horizontal
Horizontal
Downward
Horizontal
Downward
Downward
Horizontal
Downward
Cyclic swing (Recommended for cooling)
All four louvers swing at different times like waves.
Swing setup codeSwing of louvers
0001
1115350208_EN-TH.indb 17
Swing setup code
Standard swing
(Factory default)
gniws lauD2000
gniws elcyC3000
34-EN33-EN
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Setting the louver lock
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UNIT LOUVER
1 Push and hold the
button (right side of
the button) for at least 4 seconds while
running is stopped.
blinks.
• When no unit number is displayed, all units are
selected.
2 Push the button (left side of the button)
to select a unit.
The unit number changes each time you push the
button.
Unit No.
1-1
The fan of the selected unit runs, and the louver
swings.
Unit No.
1-2
Unit No.
1-4
Unit No.
1-3
3 Push the “TEMP. ” buttons to
display the number of the louver to fix its
direction.
The selected louver swings.
4 Push the buttons to select the
direction of the louver you do not want to
swing.
(1)
0001
(4)
0004
* If (4) or (5) is selected, condensation may occur
during cooling.
(2)
0002
(5)
0005
(3)
0003
5 Push the button to confirm the setting.
When the setting is confirmed, the mark lights
up.
(To set the louver lock of another unit, repeat from
Step 2. To set another louver lock of the same unit,
repeat from Step 3.)
6 Push the button to finish the setting.
0001 - 0005
(Louver position
code)
* F1 appears in the CODE No. section on the
remote controller. This indicates that the louver
01 shown in the following figure is selected.
Electrical control box
Louver No.
03
Refrigerant
pipe
Drain pipe
01
NOTE
Even in louver lock mode, the louver temporarily
moves in the following cases:
• When the air conditioner is stopped
Releasing the louver lock
Set “0000” in Step 4 of “Setting the louver lock”.
The mark disappears.
* Steps 1 - 3 and 5, 6 of “Setting
the louver lock” also apply to
releasing the lock.
SET DATA
0000
Adjusting the horizontal direction
1 Push and hold the and “TEMP. ”
buttons for at least 4 seconds while running
is stopped.
blinks.
“01” appears in CODE No.
2 Push the button (left side of the button)
to select a unit
The unit number changes each time you push the
button.
No
display
Unit No.
1-2
Unit No.
1-4
Unit No.
1-3
0204
Unit No.
1-1
The fan of the selected unit runs, and the louver
swings.
3 Push the “TEMP. ” buttons to
change the CODE No. to “45”.
4 Push the “TIME ”buttons to select a
direction.
Direction SET
DATA
“0000”
“0002”
Push the button to check the settings.
5
The indicator stops blinking and stays lit, and the
settings are confirmed.
Direction setting
Smudging reduction position
(reduces ceiling smudging)
Cold draft position
(Less directly expose your body to
cool air)
(factory default)
6 Push button to finish the setting.
* If the cold draft position is selected, the ceiling
smudging reduction effect will be
reduced.
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Maintenance
10
WARNING
Cleaning the air filter and other parts of the air filter involves dangerous work in high places, so be sure
to have a qualified installer or qualified service person to do it. Do not attempt it by yourself.
After the cooling or dry auto (cooling) operation has finished, the dry operation is performed and the fan
starts running. When cleaning the unit, stop the drying operation forcibly and turn off the circuit breaker
to avoid electric shock.
Cleaning air filters
Clogged air filters will reduce the cooling performance.
Case with wired remote controller
(1)
(2)
When the unit will not be used for a long time
1. Perform the fan operation for a couple of hours to dry inside.
2. Press START/STOP button (or ON/OFF button) on the remote controller to stop running, and turn off the circuit breaker.
3. Clean the air filters and reinstall them.
Before the cooling season
Clean the drain pan
• Contact the dealer where you purchased the product.
(Drain does not work if the drain pan or vent is clogged. In some cases the drain may overflow and wet the wall or floor. Be
sure to clean the drain pan before the cooling season.)
(1) If “ ” is displayed on the remote controller, clean the air
filters.
(2) When the cleaning of air filters has been completed, push
button. “ ” disappears.
Check periodically
• If the unit is used for a long time, parts may deteriorate and cause malfunction or bad drainage of dehumidified water
depending on the heat, humidity, or dust.
• In addition to the usual maintenance, it is recommended that you have the unit checked and maintained by the dealer where
you purchased it.
NOTE
For environmental conservation, it is strongly recommended that the indoor and outdoor units of the air conditioner
in use be cleaned and maintained regularly to ensure efficient operation of the air conditioner.
When the air conditioner is operated for a long time, periodic maintenance (once a year) is recommended.
Furthermore, regularly check the outdoor unit for rust and scratches, and remove them or apply rustproof
treatment, if necessary.
As a general rule, when an indoor unit is operated for 8 hours or more daily, clean the indoor unit and outdoor unit
at least
once every 3 months. Ask a professional for this cleaning / maintenance work.
Such maintenance can extend the life of the product though it involves the owner’s expense.
Failure to clean the indoor and outdoor units regularly will result in poor performance, water leakage, and even
compressor failure.
Maintenance List
Heat exchanger
Fan motor
Filter
Fan
Air intake / discharge
grilles
Drain pan
Ornamental panel,
louvers
Exterior
Indoor / outdoor
Indoor / outdoor
Indoor
Indoor
Indoor / outdoor
Indoor
Indoor
Outdoor
Dust / dirt clogging, scratchesWash the heat exchanger when it is clogged.
Sound
Take appropriate measures when abnormal sound
is generated.
• Wash the filter with water when it is contaminated.
• Replace it when it is damaged.
• Replace the fan when vibration or balance is
terrible.
• Brush or wash the fan when it is contaminated.
Fix or replace them when they are deformed or
damaged.
Clean the drain pan and check the downward slope
for smooth drainage.
Wash them when they are contaminated or apply
repair coating.
Apply repair coating.
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Troubleshooting
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11
Check the points described below before requesting repair.
esuaCmotpmyS
Outdoor unit
Indoor unit
It is not a malfunction.
Operation does
not start even if
the switch is
turned on.
The room does not cool down.
Check again.
If any of the following occur, stop running the unit immediately, turn off the circuit breaker, and contact the dealer where you
purchased the product.
• The switch does not work properly.
• The circuit breaker often blows out.
• You unintentionally put a foreign object or water inside.
• The unit cannot be run even after the cause of the protective device activation is removed.
• Other unusual conditions are found.
• A noise is heard when the power is turned on.• The outdoor unit is preparing for running.
• Sometimes a swishing is heard.• When the unit starts running, during operation, or
• Discharged air smells unusual.• Various smells from the walls, carpet, clothes,
• The fan continues running even after the unit
operation is stopped.
• The air conditioner is not working or a power failure
has occurred.
• The power switch is not turned on.• Turn on the power switch if it is off.
• The air conditioner is in the ON timer operation. • Cancel the timer operation.
• The batteries of the remote controller have been
exhausted.
• The LEDs on the signal receiving unit are not in
normal state or operati
on mode is not correct.
immediately after the unit stops running, a sound such
as water flowing may be heard, or the operation sound
may become louder for a couple of minutes
immediately after the unit starts running. This is the
sound of the refrigerant flowing or the dehumidifier
draining.
etc. expands and contracts slightly due to temperature
change.
cigarette, cosmetics, etc. adhere to the air conditioner.
• The fan keeps running to self clean operation the heat
exchanger during drying.
• Push START/STOP (ON/OFF) button on the remote
controller again.
• Replace the batteries.
• Change the operation mode.
• Is the air intake or discharge of the outdoor unit
clogged?
• Is a door or window open?
• Is the air filter clogged with dust?
• Is the air volume set to “Low”? or is the operation mode
set to “Fan”?
• Is the setup temperature appropriate?
Case with wireless remote controller
<Representative examples>
Contact the dealer from whom you purchased the air conditioner.
These LEDs do not light or
blink even if the remote
controller is operated.
,regnahcxe taeh eht nehw detareneg dnuos a si sihT•.draeh si dnuos gnikcalc A•
The LEDs flash.
LEDs on the signal receiving unit : OFF : Blinking (at int e rv als of 0.5 seconds)
LED colour: Green: Green: Orange
Check those items. If any of those problems remains, stop the operation and turn off the power. Contact the dealer whom you
purchased the air conditioner from. Convey the air conditioner model name, and details of the error (including LED flashing
state). Do not repair any unit by yourself as it is dangerous.
-Power is not turned on.
-Incorrect connection between signal receiving unit and indoor unit
Communication error between signal receiving unit and indoor unit or address setup
error when the wired remote controller is used.
Communication error between indoor unit and outdoor unit.
The protective device of the indoor unit is activated.
The protective device of the outdoor unit is activated.
Temperature sensor of indoor unit is error.
The compressor of the outdoor unit is protected.
The air conditioner is performing a test run.
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Case with wired remote controller
If there is something unusual even after checking the above, stop running the unit, turn off the circuit breaker, and inform the
dealer where you purchased the product of the product number and symptom. Do not attempt to repair the unit by yourself as
doing so is dangerous. If the check indicator (, , , etc.) is displayed on the wired remote controller LCD, inform the
dealer of its content as well.
Confirmation and check
When an error occurred in the air conditioner, an error code
and indoor UNIT No. appear on the display part of the remote
controller.
The error code is only displayed during the operation.
If the display disappears, operate the air conditioner
according to the following “Confirmation of error log” for
confirmation.
Error codeIndoor UNIT No. in
which an error occurred
Confirmation of error log
When an error occurred on the air conditioner, the error log
can be confirmed with the following procedure. (The error log
is stored in memory up to 4 errors.)
The log can be confirmed from both operating status and stop
status.
2
3
1
1 When and buttons are pushed at the
same time for 4 seconds or more, the
following display appears.
If is displayed, the mode enters in the
error log mode.
•[01: Order of error log] is displayed in CODE No..
• [Error code] is displayed in CHECK.
• [Indoor unit address in which an error occurred] is
displayed in Unit No.
.
2 Every pushing of button used to set
temperature, the error log stored in memory
is displayed in order
The numbers in CODE No. indicate CODE
No. [01] (latest) → [04] (oldest).
REQUIREMENT
Do not push button because all the error log of the indoor
unit will be deleted.
.
Operations and performance
12
Check before running
• Check whether the earth wire is cut or disconnected.
• Check whether the air filter is installed.
• Turn on the circuit breaker 12 hours or more before starting
operation.
3 minutes protection function
3-minutes protection function prevents the air conditioner
from starting for initial 3 minutes after the main power switch
/ circuit breaker is turned on for re-starting the air conditioner.
Auto restart operation
This air conditioner is equipped with an Automatic restarting
facility which allows the air conditioner to resume the set
operating conditions in the event of a supply power shutdown
without the use of the remote controller.
The operation will resume without warning three minutes
after the power is restored.
Power failure
Lightning or a wireless car telephone operating nearby may
cause the unit to malfunction. Turn off the main power switch
or circuit breaker and then turn them on again. Push the
START/STOP button on the remote controller to restart.
Group control
Up to 8 units can be operated simultaneously using a wired
remote controller (sold separately). For details, consult your
local dealer.
Air conditioner operating conditions
For proper performance, operate the air conditioner under the following temperature conditions:
Outdoor temperature: 15 °C to 46 °C (Dry bulb temp.)
Room temperature: 21 °C to 32 °C (Dry bulb temp.), 15 °C to 24 °C (Wet bulb temp.)
[CAUTION]
If air conditioner is used outside of the above conditions, safety protection may work.
Room relative humidity – less than 80 %. If the air conditioner operates in excess of this
figure, the surface of the air conditioner may cause dewing.
Protective device
• Stops operation when the air-conditioner is overloaded.
• If the protective device is activated, the unit stops running,
and the operation indicator and check indicator on the
signal receiving unit blink.
If the protective device is activated
• Turn off the circuit breaker and perform a checkup.
Continued running may cause a malfunction.
• Check whether the air filter is installed. If not, the heat
exchanger may be clogged with dust and water leakage
may occur.
During cooling
• The air intake or discharge of the outdoor unit is clogged.
• Strong wind continuously blows against the discharge of
the outdoor unit.
Do not turn off the circuit breaker
During the air-conditioning season, leave the circuit breaker
turned on, and use the START/STOP button on the remote
controller.
1115350208_EN-TH.indb 21
3 After confirmation, push button to return
to the usual display.
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Installation
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13
Do not install the air conditioner in the following places
• Do not install the air conditioner in any place within 1 m from a TV, stereo, or radio set. If the unit is installed in such place,
noise transmitted from the air conditioner affects the operation of these appliances.
• Do not install the air conditioner near a high frequency appliance (sewing machine or massager for business use, etc.),
otherwise the air conditioner may malfunction.
• Do not install the air conditioner in locations where iron or other metal dust is present. If iron or other metal dust adheres to
or collects on the interior of the air conditioner, it may spontaneously combust and start a fire.
• Do not install the
• Do not install the air conditioner in a salty place such as seaside area.
• Do not install the air conditioner in a place where a great deal of machine oil is used.
• Do not install the air conditioner in a place where it is usually exposed to strong wind such as in seaside area.
• Do not install the air conditioner in a place where sulfureous gas generated such as in a spa.
• Do not install the air conditioner in a vessel or mobile crane.
• Do not install the air conditioner in an acidic or alkaline
place subject to combustion emissions). Corrosion may be generated on the aluminum fin and copper pipe of the heat
exchanger.
• Do not install the air conditioner near an obstacle (air vent, lighting equipment, etc.) that disturbs discharge air. (Turbulent
airflow may reduce the performance or disable devices.)
• Do not use the air conditioner for special purposes such as preserving food, precision instruments , or art objects, or where
breeding animals or growing plants are kept.
(This may degrade the quality of preserved materials.)
• Do not install the air conditioner over an object that must not get wet. (Condensation may drop from the indoor unit at a
humidity of 80 % or more or when the drain port is clogged.)
• Do not install the air conditioner in a place where an organic solvent is used.
• Do not install the air conditioner near a door or window subject to humid outside air.
Condensation may form on the air conditioner.
• Do not install the air conditioner in a place where special spray is used frequently.
air conditioner in a humid or oily place, or in a place where steam, soot, or corrosive gas is generated.
atmosphere (in a hot-spring area or near a chemicals factory, or in a
Be careful with noise or vibrations
• Do not install the air conditioner in a place where noise by outdoor unit or hot air from its air discharge annoys your neighbors.
• Install the air conditioner on a solid and stable foundation so that it prevents transmission of resonating, operation noise and
vibration.
• If one indoor unit is operating, some sound may be audible from other indoor units that are not operating.
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