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USER’S MANUAL

ORIGINAL INSTRUCTIONS

MITSUBISHI HEAVY INDUSTRIES LTD. PACKAGED AIR CONDITIONER

USER’S MANUAL

ENGLISH

MANUEL DE L’UTILISATEUR

FRANÇAIS

ANWENDERHANDBUCH

DEUTSCH

ISTRUZIONI PER L’USO

ITALIANO

MANUAL DEL PROPIETARIO

ESPAÑOL

GEBRUIKERSHANDLEIDING

NEDERLANDS

MANUAL DO UTILIZADOR

PORTUGUÊS

О∆НГІЕΣ ХРНΣНΣ

ЕΛΛΗNIKA

РУКОВОДСТВО ПО ЭКСПЛУАТАЦИИ

РУССКИЙ

Ceiling cassette −4 way− (FDT)
Ceiling cassette −4 way Compact (600×600mm)− (FDTC)
Duct connected −High static pressure− (FDU, FDUS)
Duct connected −Middle static pressure− (FDUM)
Ceiling Suspended (FDE)
Floor Standing (FDF)

KULLANIM KILAVUZU

RC-E5

RC-EX series

Please refer to the manual provided with eco touch REMOTE
CONTROL

Si prega di fare riferimento alla documentazione fornita con il
eco touch telecomando

Por favor, consulte a documentação que veio com o eco
touch controle remoto

S'il vous plaît se référer à la documentation fournie avec la
eco touch télécommande

Por favor, consulte la documentación que viene con el eco
touch mando a distancia

Ανατρέξτε στην τεκμηρίωση που συνόδευε το eco touch
τηλεχειριστήριο

Bitte beachten Sie die Dokumentation, die mit der eco touch
Fernbedienung kam

Raadpleeg de documentatie die bij de eco touch afstandsbediening

Пожалуйста, обратитесь к документации, поставляемой
с eco touch дистанционным управлением

eco touch uzaktan kumanda ile birlikte gelen belgelere bakın

This air conditioner complies with EMC Directive 2004/108/EC,
LV Directive 2006/95/EC.
CE marking is applicable to the area of 50 Hz power supply.

Dieses Kimagerä t erfü llt die EMC Direktiven 2004/108/EC, LV
Direktiven 2006/95/EC.
Die CE-Marke gilt für Bereiche mit einer Netzstromversorgung
von 50 Hz.

Este acondicionador de aire cumple con la directiva EMC:
2004/108/EC, LV Directiva 2006/95/EC.
La indicación CE sólo corresponde al área de suministro
eléctrico de 50 Hz.

Este aparelho de ar condicionado está em conformidade com a
Directiva EMC 2004/108/EC, a Directiva LV 2006/95/EC.
A marca CE aplica-se à zona de fornecimento de energia a
50 Hz.

Ce climatiseur est conforme à la Directive EMC: 2004/108/EC,
LV Directive 2006/95/EC.
La marque CE s’applique aux régions alimentées en courant
de 50 Hz.

Questo condizionatore d’aria è conforme alla Direttiva EMC:
2004/108/EC, LV Direttiva 2006/95/EC.
Il marchio CE è applicabile alla fascia di alimentazione 50 Hz.

Deze airconditioner voldoet aan EMC Directive 2004/108/EC,
LV Directive 2006/95/EC.
CE-markering is van toepassing op het gebied met een netstroom van 50 Hz.

Το κλιματιστικό συμμορφώνεται προς την οδηγία 2004/108/ΕΚ
περί ηλεκτρομαγνητικής συμβατότητας (EMC) και την οδηγία LV
2006/95/ΕΚ.
Tο οήμα CE ισχύει μόνον σε περιοχές όπου η τροφοδοσία είναι
50 Hz.

PSA012B790

TÜRKÇE

SAFETY PRECAUTIONS
Thank you very much for your purchase of this packaged air conditioning system
produced by Mitsubishi Heavy Industries. Please read through this manual before
using the product and use the product appropriately according to the instructions in
the manual. After you have read the manual, store it with the warranty certificate in a
safe place. It will help you when you have questions or problems.
Do not vent R410A into the atmosphere: R410A is a fluorinated greenhouse gas
specified in the Kyoto Protocol and its Global Warming Potential (GWP) is 1975.
The emission sound pressure level from each Indoor and Outdoor unit is under
70 dB(A).
TABLE OF CONTENTS
J SAFETY
J HOW

PRECAUTIONS...................................................................................................................................................1

TO USE

< WIRED REMOTE CONTROL >
NAMES AND FUNCTIONS OF REMOTE CONTROL BUTTONS
“WIRED REMOTE CONTROL”...........................................................................................................................................4
HOW TO OPERATE ...........................................................................................................................................................5
HOW TO PERFORM THE TIMER OPERATION................................................................................................................5
THE SELECTION OF TIMER MODE ...............................................................................................................................5
SETTING THE TIME ........................................................................................................................................................6
SLEEP TIMER MODE ......................................................................................................................................................6
OFF TIMER MODE ..........................................................................................................................................................6
ON TIMER MODE ............................................................................................................................................................7
WEEKLY TIMER MODE...................................................................................................................................................7
TIMER CANCELLATION MODE ....................................................................................................................................10
HOW TO OPERATE IN SILENT MODE ...........................................................................................................................10
HOW TO ADJUST THE LOUVER ....................................................................................................................................11
HOW TO SET THE AIRFLOW DIRECTION .....................................................................................................................11
HOW TO OPERATE VENTILATION ................................................................................................................................12
FOR COMFORTABLE USE..............................................................................................................................................12
INSPECTION DISPLAY, FILTER SIGN, AIR CONDITIONER NUMBER, STANDBY AND ROOM TEMPERATURE
DISPLAY ...........................................................................................................................................................................13
< WIRELESS REMOTE CONTROL >
NAMES AND FUNCTIONS OF REMOTE CONTROL BUTTONS
WIRELESS REMOTE CONTROL ....................................................................................................................................13
HOW TO OPERATE .........................................................................................................................................................14
CURRENT TIME SETTING PROCEDURE ......................................................................................................................14
ON – TIMER OPERATION ...............................................................................................................................................14
OFF – TIMER OPERATION .............................................................................................................................................14
PROGRAM TIMER OPERATION .....................................................................................................................................14
HOW TO ADJUST THE LOUVER ...................................................................................................................................15
FOR COMFORTABLE USE..............................................................................................................................................15
CHECK INDICATION, FILTER SIGN ...............................................................................................................................15
BACKUP BUTTON ...........................................................................................................................................................16
J FOR

SMART USE

HOW TO MAINTAIN .........................................................................................................................................................16
J TROUBLE

SHOOTING ....................................................................................................................................................17

J NOTICE

PREPARATION OF HEATING .........................................................................................................................................18
AUTO RESTART ..............................................................................................................................................................18
SETTING TO DISABLE BUTTON OPERATION ..............................................................................................................18
INSTALLATION, RELOCATION, AND INSPECTION MAINTENANCE ...........................................................................18
OPERATION RANGE .......................................................................................................................................................18
MAINTENANCE AND INSPECTION GUIDELINE OF MAIN PARTS OF PACKAGED AIR CONDITIONER ...................19

J Please

read these
“SAFETY PRECAUTIONS”
before starting to use
this product and use the
product appropriately
according to the
instructions.
J The precautions provided
here are classified into
“ DANGER” and
“ CAUTION”. The
“ DANGER” sections
describe potentially
hazardous situations
that may lead to serious
outcomes such as death
and serious injuries if the
product is mishandled.
Note, however, that
depending on the
situation, the items listed
in the “ CAUTION”
sections do also have
the potential of causing
serious outcomes. Both
warnings and cautions
provide you important
information related to
safety ; please make sure
to observe them.
J The symbols used
throughout the main text
of this manual have the
following meaning.
marks mean danger,
alarm, and caution. The
specified prohibited
item is described in the
triangle. The left mark
means “Shock hazard

alarm”.
marks mean
prohibited items. The
specified prohibited
item is described in the
circle or in the vicinage.
 marks mean
compulsory action
or instruction. The
specified prohibited
item is described in
the circle. The left
mark means “Earth is
needed”.
J After you have read the
manual, always store it
where other users can
refer to at any time. If a
new owner takes over the
system, make sure to pass
this manual.

INSTALLATION PRECAUTIONS
DANGER
Make sure to have the
installation done by your
dealer or a specialist.
If you install by yourself and the
unit is not properly installed,
water leakage, electric shock,
fire and injuries caused by the
drop of the unit may occur.

ENGLISH

The preventive measures
that the density of leaked
refrigerant does not exceed
the limit is necessary in case
of installing the unit in a
small room.
The leakage of refrigerant
may cause oxygen deficiency
accident. Consult your dealer
for the measures.
CAUTION
Make sure to perform
grounding work.
Do not connect grounding wire
to any gas pipe, water pipe,
conductor rods or telephones.
Incomplete grounding may
cause electric shock through
leakage of electricity.
Make sure to mount a
leakage breaker.
Otherwise electric shock may
occur. Please consult your
dealer or a specialist for the
mounting.
Do not mount where
flammable gas leakage
can happen.
If leaked gas stagnates in the
unit, the gas may cause fire.
Make sure to layout the
drain pipe so that the
water is completely drained.
Otherwise, water may leak and
wet household goods.

OPERATION PRECAUTIONS
DANGER
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.
Do not expose yourself
directly to cooled air flow
for a long time or cool too
much.
It may be cause of
deconditioning or health
disorder.
Do not insert fingers or
sticks into the air inlet or
outlet grilles.
It may cause injuries because
of the fan rotating at high
speed.

If the unit has been
submerged under water
due to a natural disaster
such as flood or typhoon,
consult your dealer before
using it again.
If you use it as it stands, it may
lead to failure, electric shock or
fire.
If any abnormal symptom
(scorched flavor etc.) is
found, cut off the power and
stop the operation.
Then consult your dealer.
If you use it as it stands, it may
lead to failure, electric shock or
fire.
One of the causes of poor
cooling or poor heating
may be refrigerant leakage.
Please consult your dealer.
If the repair requires additional
refrigerant, determine the
service with the service
staff. The refrigerant of air
conditioner is not toxic.
Normally the refrigerant
does not leak. But if it leaks
and contacts fire such as
fan heater, space heater or
cooking heater, it may produce
toxic chemicals.
Do not insert fingers or
sticks even if air blower
does not operate.
It may suddenly operate and
cause injuries.

CAUTION
Do not use for particular
purpose such as the
storage of food, animals and
plants, precision apparatus
and arts etc.
Storage goods may degrade.
Do not operate the button
with wet hand.
It may cause electric shock.
When a burning appliance
is used together with the
unit, ventilate frequently.
If ventilation is not sufficient, it
may cause oxygen deficiency
accident.
Do not place a burning
appliance where the
airflow from the unit is
directly blown.
It may cause the imperfect
combustion of the equipment.
Make sure that the unit
installation foundation is
not damaged due to longterm use.
If it is left to stand, the unit may
fall down causing injury.
Do not wash the unit with
water, nor place a vase
with water on the unit.
It may cause electric shock or
ignition.

Do not install the unit
where the airflow is
directly blown to animals and
plants.
They may suffer from adverse
effect.
Before cleaning, make
sure to stop operation
and cut off the power.
The fan inside rotates at high
speeds.
Make sure to use proper
size of fuse.
Using steel wire or copper wire
may lead to failure or fire.
Do not store a flammable
spray etc. near the unit,
nor blow directly to the unit.
It may lead to fire.
Before maintenance,
make sure to stop
operation and cut off the
power.
The fan inside rotates at high
speeds.
When the unit isn’t used
for a long-term, cut off the
power.
The accumulation of dirt may
lead to heat generation or fire.
But, before resuming the
operation, turn on the unit for
six hours beforehand to save
harmless.

Do not place any other
electric appliances or
household goods below or
around the air conditioner.
Dripping from the unit may lead
to failure or contamination.
Do not touch the
aluminum fin.
Otherwise it may lead to
injuries.
Do not clean the inside
of the indoor unit by
yourself. Make sure to
consult your dealer or user
inquiry counter specified by
our company.
If you select incorrect detergent
or improper method, resin
parts may be damaged and
lead to water leakage. If the
detergent is dropped on the
electric component or motor, it
may lead to failure, smoking or
ignition.
Do not place objects on
the outdoor unit, nor
mount on it.
It may lead to injuries resulting
from dropping or falling.
During the operation or
maintenance, do not use
an unstable footrest.
It may lead to injuries resulting
from falling.
Be careful so that the
dust does not get into
your eyes when removing
the air filter.

Do not operate the air
conditioner while the air
filter is removed.
Piled up dust may lead to
malfunction.
During thunderstorm,
stop the operation and
turn off the switch.
A lightning strike may lead to
failure.
After several seasons of
operating, inspections
and maintenances are
required except routine care
and cleaning.
Accumulated dirt or dust inside
the indoor unit may cause odor,
water leakage through the
clogging of water discharging
pipe for dehumidification.
Specialized information
and skills are required for
inspections and maintenances.
Therefore contact your dealer.
Do not place any object
around the outdoor unit,
nor allow fallen leaves to pile
up.
Fallen leaves may induce
insects and worms in them,
and they may lead to failure,
ignition or smoking by touching
electric components.
Do not use with inlet/
outlet grilles or other
panel removed.
Otherwise, it may lead to
injuries.

Do not operate or stop the
unit by using the power
supply switch.
It may lead to fire or water
leakage.
If auto restart is set effectively,
the fan may rotate suddenly
causing injuries.
Do not touch blowout port
when the swing louver
moves.
Otherwise, it may lead to
injuries.
Do not strain the remote
control cord.
A part of core wire may be cut
off causing electric leakage.
Do not use water heater
etc. near the indoor unit
or remote control.
If a Vapor-generating appliance
is used near them, it may lead
to water drop causing electric
leakage or short circuit.
Do not use the unit where
powder or fiber is floating.
Fine powder or fiber passing
through the air filter may
stagnate inside the unit and
lead to electric leak or short
circuit.
Do not place objects
under the unit which
must avoid being exposed to
water.
Over 80 percent humidity or
the clogging of drain pipe may
damage them through dew
dropping.
3

HOW TO USE< WIRED REMOTE CONTROL >

PRECAUTIONS FOR RELOCATION Before repairing or
checking indoor unit, be
OR REPAIRING
cAUtion
Never perform any
modification. Contact
your dealer for repairing.
Improper repairing may lead to
water leakage, electric shock
or fire. Normally the refrigerant
does not leak. But if it leaks
and contacts fire such as
fan heater, space heater or
cooking heater, it may produce
toxic chemicals. When repairing
refrigerant leakage, determine
the service with the service
staff that the repair has been
finished without fault.
If it is required to
relocation and reinstall
the unit, consult your dealer
or a specialist.
Improper installation of air
conditioning unit may cause
water leakage, electric shock
and/or fire.

sure to turn off “Indoor unit
power supply breaker”.
It can result in electric shock or
injury due to rotation of indoor
unit fan if you perform check
or repair with the “Indoor unit
power supply breaker” turned
on.
Place the panels removed
for repairing or checking
on the stable spot.
Otherwise, dropping or falling
may lead to injury.

NAMES AND FUNCTIONS OF REMOTE CONTROL BUTTONS (Wired remote control)
Wired remote control

• The figure below shows the remote control with the cover opened. Note that the items in the liquid
crystal display (LCD) area are shown for explanation purpose.

Pull the cover downwards to open.
Ventilation display

Weekly timer display

Displayed during ventilation operation
☞ See page 12

Displays the settings of the
weekly timer.

Central control display
Displayed when the air conditioning system is
controlled by centralized remote control.

Timer operation display
Displays the timer operation setting.

Temperature setting buttons

Operation/stop button

These buttons are used to set the
temperature of the room.

This button is used to operate and stop
the air conditioning system.
Press the button once to operate
the system and press it twice
to stop the system.

Timer button
This button is used to set
the timer mode.
☞ See page 5

MODE button
This button is used to change the
operation mode.

Timer setting buttons

FAN SPEED button

These buttons are used to set
the timer mode and the time.
☞ See page 5 to 12

This button is used to set the airflow
volume.

E.S.P. button

This button is used to operate external
ventilator. ☞ See page 12

VENT button

This button is only used by service
engineers for installation purposes.

LOUVER button
This button is used to operate/stop the
swing louver. ☞ See page 11

AIR CON No. button
•Display the indoor unit number connected to this
remote control.
•This button is used for indoor unit address setting.

CHECK button
This button is only used by service engineers
for installation purposes.
This button is used during test operation.

Your Air Conditioning product may be marked with this symbol. It means that waste electrical and
electronic equipment (WEEE as in directive 2012/19/EU) should not be mixed with general household
waste. Air conditioners should be treated at an authorized treatment facility for re-use, recycling and
recovery and not be disposed of in the municipal waste stream. Please contact the installer or local
authority for more information.

Operation/check indicator light
During operation: Lit in green
In case of error: Flashing in red

TEST button

PrecAUtionS For WASte diSPoSAl

Operation setting display area
Displays setting temperature, airflow
volume, operation mode and operation
message.

SET button
•This button is used to fix the setting.
•This button is used to set the silent mode.
☞ See page 5 to 12

RESET button
•If you press this button while making settings,
you can go back to the previous operation. ☞ See page 5 to 12
•This button is also used to reset the “FILTER CLEANING” display.
(Press it after cleaning the air filter)

HOW TO OPERATE

< WIRED REMOTE CONTROL >

ATTENTION • In order to protect both indoor/outdoor air conditioners, keep the power supply on for six hours before initial operation. (The

crank case heater is energized in order to heat up the compressor.) Do not turn off the power supply. (Power is distributed to
the crankcase heater, even if the compressor is stopped. This keeps the compressor warm, and prevents failures caused by
accumulation of liquid refrigerant.)

Fan speed Operation
Setting
temperature mode mode

Press

HOW TO PERFORM THE TIMER OPERATION
THE SELECTION OF TIMER MODE

button.

Press

 Guideline for room temperature setting
COOL ...............26 to 28°C
DRY ..................21 to 24°C
HEAT ................22 to 24°C
FAN...................Setting unnecessary

• The settings of operation change, temperature
and air flow volume adjustment can be changed
even when the air conditioner is stopped. When a
button is pressed while the operation is stopped,
the corresponding display is turned on and you
can change the setting. The display lights for three
seconds after changing the setting, and then turns
off automatically.

Press

] (set to current time)


cooling operation

[

heating
operation

] (Every operation stops after a certain period
of time has elapsed.)

] (The unit stops operating at the setting
time.)

[
room setting
temperature



button to set the room temperature.

FAN SPEED button.

Press

• For the louver operation ☞ See page 11 to 12
1 Press
LOUVER button, and change the display to


• For the louver stopping ☞ See page 11 to 12
1 Press once while the louver is operating to display stop
positions in order.
2 Press the button once more at the preferred stop position to
stop the louver at that position.
Effective stop position ☞ See page 11 to 12
For automatic operation:............................... middle
For cooling/dehumidifying operation:............ Horizontal
For heating operation:................................... downwards

Stop

Press

button

] (Timer set for each day of the week)

[

1 2 3


[

] (Cancel the timer setting)
RESET button, timer mode ends and return

If you press the
to original status.

Press

SET button.

The selected timer mode is set.
For setting of each timer mode, see the following pages.
The possible combination of the timer function is mentioned in the
following table.

LOUVER button.

If the indoor unit is equipped with the auto swing function, press
the
LOUVER button once and current louver status is
displayed.
If the indoor unit is not equipped with the auto swing function, the
message “
” is displayed.

] (The unit starts operating at the setting
time.)


at 4-speed
The unit operates with the maximum fan speed.

] (lights)

By pressing ▼ or ▲ button, it is possible to choose the item to set.

Press TEMP button.
or

]

Press ▲ or ▼ button.
[

The range of fan speed modes is displayed according to the model
of indoor unit.
At 4-speed .............“
↔
↔
↔
”
At 3-speed .............“
↔
↔
”
↔
” or “
↔
”
At 2-speed .............“
At 1-speed .............The operation is invalid

Operation mode

DRY
COOL
FAN
HEAT
AUTO

]

[
[
[

[
Press

54 2

MODE button.

• With auto operation,
heating and cooling is
automatically changed
depending on difference
between the setting
temperature and sucking
room air temperature.

TIMER button.

Display area :

The range of operation mode is displayed according to the model
of indoor unit.
Every time the button is pressed, the display changes in the
following order: dry  cool  fan  heat  auto.
(EXAMPLE display for auto-operation enabled)

1
3

Press

The mode changes to timer mode.
“Current day of the week” and “Current time ” are displayed.
[EXAMPLE] Sunday : 1 o’clock in the afternoon

The unit starts operating.

< WIRED REMOTE CONTROL >

Combination of modes that can be set together
(: possible ×: impossible)
Functions of each timer operation
• Sleep timer
When the specified period of time elapses, operation
stops.
10 settings are available, from “an hour later OFF” to “10
hours later OFF”.
The unit will stop when the setting time is reached.
• OFF timer
The unit stops operating at the setting time.
It will operate one time per setting.
• ON timer
The unit starts to operate at the setting time. The
temperature can be set together. It will operate one time
per setting.
• Weekly timer
You can set up to four ON/OFF timers per day.
Once Weekly timer is set, it repeats every week.

Sleep timer OFF timer
Sleep timer

OFF timer

ON timer



Weekly timer

ON timer

Weekly timer



×
×

• If you select a combination of modes that cannot be set together
SET button, the message “
and press the
(invalid operation)” is displayed for 3 seconds and then the
display returns to the one selected in step 2.

NOTICE
NOTICE
• There may be a case that “
” is displayed when any
button mentioned in the above is pressed, but it is not a malfunction.
In that case, the operation of the button is prohibited.
• When you start to operate the unit for the first time after turning the
power supply on, the default settings are listed below. You can change
them as you like.
Central control ......................Turned off
Operation changeover .......... With auto mode : auto cooling
Without auto mode : cooling
Set temperature ...................23°C
Fan speed ............................
Louver position .....................Horizontal

• If you press
button while timer mode is under setting, timer mode is canceled and the display will return
to the original one. Note that the setting which has not completed is canceled.
• If you have set the ON timer mode and either the OFF timer or Sleep timer mode at the same time, the OFF timer
(or Sleep timer) precedes the ON timer.
• If you press the
Timer button and “
” is displayed, the button can not be operated because the
button operation is disabled. If you want to make the button effective , consult your dealer.
• If you do not press any button for several minutes after pressing the
display returns to the original one.

Timer button, Timer mode ends and the

• When the weekly timer setting recovers from power failures, the setting data (four settings per day) remain stored,
but holiday settings will automatically override the settings for each day.
5

HOW TO PERFORM THE TIMER OPERATION

< WIRED REMOTE CONTROL >

SETTING THE TIME

SLEEP TIMER MODE

Timer operation is performed based on the time of the clock which is set by the following steps. Make sure to
set the time to the current time correctly.

Press

After a certain period of time has elapsed, operation
stops.
• Sleep timer
The unit stops after the set time elapses.

TIMER button.

Press

[
[
[

1 3 2
• •
5 4
•
6

]

[
(▼ flashes)
[
[

4
5

] (current time)
]

1 2•4 3•5
NOTICE

SET button.

The day of the week is fixed, and the flashing of ▼ mark stops
and lights.
The “current time” value flashes, and “
” is displayed.

SET button.
“
“

” flashes,
” lights.

Press ▲ or ▼ button.

Press

”

SET button.

Sleep timer has been set.
The air conditioner will turn on if a sleep timer is set while it is
turned off.
After “
” is displayed in the display area, the display
in step 2 returns.

“
” (lights)
“
” (lights for two seconds)

“
” (lights)
“
” (lights)
The remaining time is displayed, and changes in an hourly basis.
When the setting time elapses, the unit stops operating.
Every operation stops after a certain period of time has elapsed.

Press ▲ and ▼ mark to move to the right and the left respectively.
If you press the
RESET button, the remote control will return to
the previous screen and display “
”.

”

The display changes as below. Set as you like.
“
”“
”~“
”“

]

Press ▲ or ▼ button.

Press

”“

Press

]

Place the “▼” mark above the day of the week to the current
day.

TIMER button.

Press ▼ button once.

[EXAMPLE]

]

SET button.

The display area shows :

Press

“

The mode changes to timer mode.
“Current day of the week” and “Current time” are displayed.
Display area :

1
2

Press

button.

1
2

Press

TIMER button.

The timer mode is finished.

OFF TIMER MODE

Press ▲ or ▼ button.

The unit stops operating at the setting time.
This setting is effective for only once.

Set to the current time.
If you press the
the one in step 1.

Press

RESET button, the display is returned to

Press

][

[

SET button.

The flashing for time display stops and lights, and “
is displayed to show that the current time is set.
Two seconds later, the display in step 1 returns, and
“
” is displayed.

Press ▼ button twice.

”

Press
[EXAMPLE]

6 4

button.

][

]

SET button.
“
“

” flashes,
” lights.

Press ▲ or ▼ button.
Set the time at which you want to stop the operation.
• Set “Hour”
If you press ▲ or ▼ button for a while, “Hour” display is changed
by one hour, and stops when you stop pressing.

The timer mode is finished.

• Set “Minute”
If you press ▲ or ▼ button, the number in the display becomes
larger or smaller by ten minutes.

1 2•4 3•5
• If you press
button while timer mode is under
setting, timer mode is canceled and the display will return
to the original one. Note that the setting which has not been
completed is canceled.
• If you do not press any button for several minutes after
entering the timer mode, the timer mode ends and the
display returns to the original one.
6

NOTICE

start operation. If you would like to operate the
air conditioner, press ON/OFF button before
hand to turn on.

SET button.

OFF timer has been set.
After “
” is displayed in the display area, the
display in step 2 returns.

” (lights)
“
“
” (lights for two seconds)
↓
“
”(lights)
“
” (lights)
The unit stops operating at 6:00 PM.
The time display is also turned off.

ATTENTION Once the OFF timer is set, it is not possible to
NOTICE

Press

button.

The timer mode is finished.

HOW TO PERFORM THE TIMER OPERATION

< WIRED REMOTE CONTROL >

ON TIMER MODE

WEEKLY TIMER MODE

The unit starts to operate at the set time. It is possible to set temperature at which you want to start the operation.
Only one setting is applicable to each operation.

You can set up to four ON/OFF timers per day.

1
2

Note : Set time every month in Weekly timer mode.

Press

TIMER button.

Press ▼ button for three times.
]  [
]

[
[

10 3
8
4

1 2
•
4
•
6

Selection of Weekly timer mode

3
•
5
•
7
•
9

Press
[EXAMPLE]

]  [

] 

SET button.
“
“

SET button.

ON timer has been set.
The left image is displayed in the display area.

“
” (lights)
“
” (lights)
If you press the
RESET button, the remote control will
return to the previous screen.

Press ▼ button for four times.

” flashes,
” lights.

Press

NOTICE

• If you press the
button while timer
mode is under setting, timer mode is canceled
and the display will return to the original one.
• If you do not press any button for several
minutes after entering the timer mode, the
timer mode ends and the display returns to the
original one.
• ON timer and either Sleep timer or OFF timer are
set together, the temperature of ON timer is not
displayed.
• ON timer and either Sleep timer or OFF timer are
set together, OFF timer (or Sleep timer) precedes.

Press

10 Press

button.

By pressing ▲ or ▼ button, it is possible to choose the item to set.
” (for setting the timer)
” (for setting the selected day of the week to
holiday)
↕

NOTICE

” (for checking the timer setting and canceling
individual settings)

Press

SET button.

The selected mode is fixed.

WEEKLY TIMER SETTING

In the Weekly timer mode, select “
and press SET button to confirm.

”

☞ See step 1 to 5 in “Selection of Weekly timer mode” above
“
“

2•4•6•8•10
3•5•7•9•11•13

” (▼ is flashing)
” is displayed in the display area.

Press ▲ or ▼ button.

Press

Set the ▼ mark above the day of the week to the day to be set
for timer setting. Press ▲ and ▼ to move to the right and left
respectively, ▲ and ▼ will move flashing.
If you press the ▲ button, the day (“SUN” to “SAT”) indicated with
the flashing “▼” mark will change one day at a time. If you press
the ▲ button when the “▼” mark is indicating “SAT”, multiple “▼”
marks will appear and flash above “MON” to “FRI”. Press the ▲
button again, and multiple “▼” marks will appear and flash above
“SUN” to “SAT” (every day). The same schedule can be applied to
all the days indicated with the “▼” marks by using this function.
Press
RESET button to return to “selecting Weekly
timer mode screen”, and “
” is displayed.
☞ See the above step 3.

SET button.

The “▼” mark above the day stops flashing and lights, which
indicates that the setting is fixed.
“
” is displayed as the left image.

SET button.

ON timer is set, and after “
” is displayed, the display
in step 2 returns.

“
” (lights)
“
” (lights)

” (lights)
“
“
” (lights)
Set temperature is displayed only in case it is set.
The unit starts to operate at setting time with set temperature.
The time display is turned off.

SET button.
”is displayed in the display area.

“

button to set temperature.

If you press the
RESET button, the remote control will
return to the previous screen.

] 

Press ▲ or ▼ button.

1 2•4 3•5

SET button.

If you press
or
button, the number in the display
becomes larger or smaller by 1°C.
Set temperature at which you want to start the operation.

]  [
]

↕

The left image is displayed in the display area.

“
”(lights)
“27°C” (The current set temperature is displayed flashing)
“
” (lights)

Press

“

Press ▲ or ▼ button.

Press

]  [
][

“

Press ▼ button and “
” is displayed
Press ▲ button and “
” is displayed
Select either of the above two.
• Go to step 7 if temperature is set.
• Go to step 9 if temperature is not set.

TIMER button.

“

Press ▲ or ▼ button.

Press

[
[

Set the preferred time to start the operation
• Set “Hour”
If you press ▲ or ▼ button for a while, “Hour” display is changed
by one hour, and stops when you stop pressing.
• Set “Minute”
If you press ▲ or ▼ button, the number in the display becomes
larger or smaller by ten minutes.

[EXAMPLE]
Number 1 :
Number 2 :
Number 3 :
Number 4 :
* Four operations can be set
with only ON timer or only OFF
timer.

Press ▲ or ▼ button.
Up to four schedules can be set for each day. Select the timer
schedule number you want to set. Set either ON timer or OFF
timer for each single operation. (See the left EXAMPLE ).
Press ▼ button to make the ◄ mark next to the number flash and
move downwards.
Press the ▲ button to move the mark upwards.
1◄
2
3
4
RESET button to return to the display in step 1.
Press the

The timer mode is finished.

< WIRED REMOTE CONTROL >

HOW TO PERFORM THE TIMER OPERATION

Press

Press ▲ or ▼ button.
Press ▼ button and “
Press ▲ button and “
Select either of the above two.
Press the

Next setting and exiting Weekly timer mode

SET button.

◄ mark next to a number lights.
” or “
” is displayed.
“
The settings so far are effective and the display changes as shown
on the left.

” is selected, “
” is displayed.
If “
Repeat step 1 and the subsequent steps of Weekly timer setting
on page 7.

RESET button to return to the display in step 5.

SET button.

If “

” is selected, timer mode ends.

When time display lights, the time is fixed.
In case of OFF timer setting, setting process is completed on
this step.

1 2


) under the day of the week which
A “_” mark lights (
you set and the display appears as the left image.
Proceed to “Next setting and Exiting Weekly timer Mode” on the
right page.
In case of ON timer setting, “
proceed to step 10.

” is displayed,

10 Press ▲ or ▼ button.
Select either “

11 Press

” or “

”.

SET button.

In case “
” has been selected, ON timer setting
process is completed.

12 Press the temperature setting buttons

.
Press the
or the
button to increase or decrease by
1°C.
Set the temperature at the start of operation.
Press the

13 Press

reset button to return to the display “

NOTICE

”

”.

SET button.

ON timer setting with start-up temperature has been
completed.
The value of the temperature stops flashing and lights.


) under the day of the week which
A “_” mark lights (
you set and the display appears as the left image.
Proceed to “Next setting and exiting Weekly timer mode” on the
right page.

• If you press
button while timer
mode is under setting, timer mode is canceled
and the display will return to the original one.
• If you do not press any button for several
minutes after entering the timer mode, the
timer mode ends and the display returns to
the original one.
• If you select a day of the week for which setting
have already been made, all the timer numbers
that have been set are displayed. And the details
of the timer setting for the number which has “◄”
mark is displayed. You can modify the selected
setting by overwriting it.
• If you set ON timer and OFF timer operating at
the same time, OFF timer will precede.
• If the same two times are set for ON timer on the
same day, the lower number precedes.

Display after Weekly timer modes setting
• The day of the week set is underlined.
• The ▼ mark is displayed above the current day of the week.
• The display of all the timer operation numbers set for the
current day is turned on. The ◄ mark indicates the next
setting number to be activated, and the set time is displayed.
• The timer operations are executed in order, and the number
and time display are turned off when all the timer operations
for the current day are completed.

HOW TO PERFORM THE TIMER OPERATION

< WIRED REMOTE CONTROL >

JWeekly timer Holiday Setting

JWeekly timer Checking

It is possible to temporarily disable each day’s timer setting by using the Holiday Setting. When the Holiday
Setting is cancelled, the timer setting is enabled again.

”.

☞ See “Selection of Weekly timer mode” step 1 to 5 on page 7.
The display shows the detailed timer operation setting information
of the smallest timer operation number on the day of the week as
shown on the left. (But if not set, “
” is displayed.)

☞ See “Selection of Weekly timer mode” step 1 to 5 on page 7.
“

4 2

2 3
3

” is displayed in the display area
(▼ is flashing)

” is displayed.

“

Press ▲ or ▼ button.

Move the “▼” mark displayed above the days of week to the
day which you want to set as Holiday.
Press ▲ and ▼ to move to the right and left respectively.
If you press the ▲ button, the day (“SUN” to “SAT”) indicated with
the flashing “▼” mark will change one day at a time. If you press the
▲ button when the “▼” mark is indicating “SAT”, multiple “▼” marks
will appear and flash above “MON” to “FRI”. Press the ▲ button
again, and multiple “▼” marks will appear and flash above “SUN” to
“SAT” (every day). The same schedule can be applied to all the days
indicated with the “▼” marks by using this function. This can be used
in case you would like to apply Holiday setting to these days.

Press ▲ button to display the settings in the reverse order.

Press

] (lights)
” (lights for two seconds)

It is possible to cancel Weekly timer mode settings of each day of the week, as well as individual timer operation number.
See “Timer Operation Cancellation Mode” on page 10 to cancel settings of all days of week.

If you set a day of the week for which no timer operation is set,
“
” is displayed for two seconds and the display returns
to the one shown in step 1.

Press

Timer mode ends.

button.

RESET button, the remote control will
If you press the
return to the previous screen, and display “
”.

SET button.

] (lights)
[
” (lights)
“
After the holiday setting has been completed, the display of the
remote control returns to that of step 1. Repeat step 2 and 3 to
continue canceling further holiday settings.

2 3
•
4

( ) display is turned off and the following is displayed.



Press
Timer mode ends.

button.

Detailed timer operation settings are displayed in accordance with
the timer operation you have selected.

Select the timer operation number on a day of the week you
want to cancel.

Move the “▼” mark displayed above the day of week to the
day on which you want to cancel Holiday setting.
Select the day of the week that has been set as holiday.

] (lights)
” (lights for two seconds)

Press ▲ or ▼ button.

Press ▲ button to display the settings in the reverse order.

Press ▲ or ▼ button.

[
“

NOTICE

In the Weekly timer mode, select and set
“
”.

Press

In the Weekly timer mode, select and set
”.
“

Press ▼ button to display from Sunday and the lowest timer
operation number.

☞ See “Selection of Weekly timer mode” step 1 to 5 on page 7.

button.

Timer mode ends.

JWeekly timer mode Setting Canceling

NOTICE

Press

SET button.

The “▼” mark above the day stops flashing and lights, and the day set as
a holiday also lights enclosed with ( ). Then, the following is displayed.



Detailed timer operation settings are displayed in accordance with
the timer operation you have selected.
Press ▼ button to display from Sunday and the lowest timer
operation number.

] (lights)
[
”(lights)
“
After the holiday setting has been completed, the display of the
remote control returns to that of step 1. Repeat step 2 and 3 to
continue setting further holidays.

JCanceling Holiday Setting

Press ▲ or ▼ button.

In case press the
RESET button, the remote control will
return to the previous screen and display “
”.

[
“

”.

“

In the Weekly timer mode, select and set
“

In the Weekly timer mode, select and set

Press
“

SET button.
” is displayed.

RESET button, the remote control will
If you press the
return to the previous screen, and display “
”.

NOTICE

Press

SET button.

“
” is displayed, and the displayed detail timer operation
setting disappears and is canceled.

” is displayed again.
“
Repeat step 2 to 4 to continue canceling other settings.

button.

Timer mode ends.

HOW TO PERFORM THE TIMER OPERATION

< WIRED REMOTE CONTROL >

TIMER CANCELLATION MODE

HOW TO OPERATE IN SILENT MODE
SILENT MODE

Press

TIMER button.

Timer mode begins.
The current “The day of the week” and “the current time” are
displayed.
[
“
“

7 2
1

When the silent mode is set, the unit operates more silently reducing noise from the outdoor unit.
The system applies the silent operation mode at the starting time to be set, and finish it after a certain period of
time has passed.
Once the system is set to operate with the silent mode, the setting is applied everyday until it is canceled.
Silent Mode Setting

]
”

Press ▼ button for five times.
“

”

(▼ first press)

”

(▼ second press)

”

(▼ third press)

”

(▼ fourth press)

”

(▼ fifth press)



“

Press

Press ▲ or ▼ button.
By pressing ▲ or ▼ button, it is possible to choose the item to cancel.
“

”
↕
”

“
↕
“

”
↕

1 3
•
5
•
7

” (canceling all days of the week)

“

If you press the
RESET button, the remote control will
return to the previous screen, and display “
”.
(step 2 above)

Press

”,“

” or “

” was

SET button.

The detailed setting of selected timer mode is displayed as
shown below.
(But if not set, “
” is displayed)

2
•
4
•
6
•
8

” was selected.

All the Weekly timer setting will be canceled if you proceed the
following steps.
To cancel a part of the timer setting, please see “Canceling
Weekly timer Mode Setting” on page 9.

Press

” is displayed.
” is displayed.

RESET button, the remote control return to

SET button.

The following setting is displayed.

SET button.

“
“

Timer Cancellation Mode begins.

” (lights)

Press ▲ or ▼ button.

If you press the
the original screen.



2•4 3•5•6

” or “

If ▼ button is pressed, “
If ▲ button is pressed, “
Select “
”.



“

SET button for three seconds or more.

“



“

Press

The remote control goes into silent mode setting and the following
is displayed.

”

“

In the timer mode, set the current day of the week
and current time.
☞ See page 6 step 1 to 7

”

“

In case “
selected.

< WIRED REMOTE CONTROL >

” (flashing)
” (lights)

Press ▲ or ▼ button.
Set the “ON TIME”.
• Set “Hour”
If you hold ▲ or ▼, the number in “Hour” display changes, and
if you release it, the number stops changing.
• Set “Minute”
If you press ▲ or ▼ button, the number in the display becomes
larger or smaller by ten minutes.
If you press the
RESET button, the remote control return to
the “
” display.

Press

SET button.

The ON TIME is set and the following is displayed.
“
“

Canceling Silent Mode (Setting)
Select “
” in step 2, press
SET button and silent setting is canceled
ending the silent mode.
“
” is displayed.

“
“

” (flashing)
” (lights for two seconds)

” (flashing)
” (lights)

NOTICE
If you would like to quit cancellation, press the
RESET
button to return to the “
” display. (step 4 above)

Press

SET button.

If you would like to quit cancellation, press the
RESET
” display. (step 4 above)
button to return to the “

Press

SET button to confirm.

The day of the week display area turns off, and after the
” is displayed for two seconds, the
message “
”. (step 4 above)
display returns to “
These operation settings cancel all days of the week.

The display of the detailed timer setting is turned off, and
” is displayed for two seconds,
after the message “
“
” is displayed again. (step 4 above)
Repeat steps 4 to 6 to continue canceling timer mode settings.

NOTICE

Press ON/OFF button.
Timer mode ends.

• The remote control has main-sub units, silent setting
cannot be operated with sub unit .
• After the silent mode is set, the following is displayed
for 3 seconds at the set time and the unit returns to
the original display.
”
At the ON time : “
At the OFF time : “
”
”, you can continue the
• If you select “
silent mode until it is canceled. At the first ON time,
” for three seconds
the display shows “
and returns to original display.

• If you press
button while
timer mode is under setting, timer mode is
canceled and the display will return to the
original one. Note that the setting which has
not been completed is canceled.

Press ▲ or ▼ button to set the duration.
Select OFF time.
When you press ▲ button, and the duration is increased by two
hours as below, “
”  “
”  “
” 
”
“
When you press ▼ button, and the duration is decreased by two
hours.
If you press
RESET button, the “ON TIME SET” display
returns.

Press

SET button.

The setting is fixed and displayed.
” is displayed, and the silent mode setting ends.
“
The setting display turns off, and returns to original display.

HOW TO ADJUST THE LOUVER (IN CASE OF FDT, FDTC, FDE) < WIRED REMOTE CONTROL >
ADJUSTING WITH LOUVER BUTTON (Indoor unit with auto swing function)
Press

HOW TO SET THE AIRFLOW DIRECTION (IN CASE OF FDT, FDTC, FDE)
It is possible to change the movable range of the louver on the air outlet from the wired remote control. Once the top and bottom positions
are set, the louver will swing within the range between the top and the bottom positions when swing operation is chosen.
With Ceiling cassette −4 way − FDT and FDTC, it is also possible to apply different setting to each louver.

LOUVER button once, and the current status of louver is displayed.

The display during
auto swing

Stop the air conditioner and press
SET
LOUVER button simultaneously
button and
for three seconds or more.
The following is displayed if the number of the indoor units
connected to the remote control is one. Go to step 4.
“

Press

The display with the
louver position fixed

”


“

”

The following is displayed if the number of the indoor units
connected to the remote control are more than one
”

“

“

”

Press ▲ or ▼ button.(selection of indoor unit)
Select the indoor unit of which the louver is set.

When you operate the swing louver

When the position of the swing louver is fixed

1. Press

LOUVER button, and change the display
”.

to “

LOUVER button once while the louver
is swinging, and 4 stop positions are displayed every
one second in order.
”↔“
”↔“

“
“

Press

”↔
”

2. Press

LOUVER button once when the display
of the louver comes to the position you desire.

The display is switched to stop, and the position of louver is fixed.

Recommended louver fixed position

The function of the swing louver
during the heating preparation,
heating/defrost

horizontal position

COOL•DRY

[EXAMPLE]
“
“

2•4•6•8
1
3•5•7•9

Control box
No. 2

No. 1

louver No. to be set is uncertain, set
any louver temporarily. The louver
will swing once when the setting
is completed and it is possible to
confirm the louver No. and the
position.
After that, choose the correct louver
No. and set the top and bottom
positions.

No. 4

”

SET button. (determination of

[EXAMPLE]
“
” (lights for two seconds)

“
”

”
“

Drain
hose side

Piping side

Louver No.
[for FDT]
No. 2

Other settings selected have no
effect.
HEAT

No. 3

No. 4

Drain hose side

Press ▲ or ▼ button. (selection of louver No.)
Select the louver No. to be set according to the left figure.
[EXAMPLE]
“
” “
” “
“
”

No. 1
Piping
side

Control box

Louver No.
[for FDTC]

Note : For FDE, select “
have no effect.

When the operation is switched to normal after “The heating
preparation” or “Heating/Defrost” ends, the position of swing louver
returns to the last setting.

Press
louver No.)

” 

”. Other louver No. settings

SET button. (Determination of

The louver No. to be set is confirmed and the display shows the
upper limit of the movable range.

CAUTION

[EXAMPLE] If No.1 louver is selected,
” ←current upper limit position
“

• Do not move the swing louver forcibly by hands for fear that it may be damaged.
• Do not blow downwards during cooling operation for a long time for fear that dew condensation may be formed at the side panel. (In

case of FDE)

HOW TO ADJUST THE LOUVER

(IN CASE OF FDF CONTROL)

Press ▲ or ▼ button. (selection of upper limit
position)
Select the upper limit of louver movable range.
“position 1” is the most horizontal, and “position 6” is the most
downwards.
“position --” is to return to the factory setting. If you need to
change the setting to the factory setting, use “position --”.

(horizontal)

ADJUSTING WITH LOUVER BUTTON (Indoor unit with auto swing function)
Press

Press
indoor unit)

”“

Selected indoor unit is fixed.

NOTICE
• For FDT and FDTC type, in case the

• For FDE type, set louver No. 1.

“
” or “Heating/Defrost” is
displayed, the position of the swing louver is
automatically switched to horizontal.

No. 3

”“
”

LOUVER button once, and the current status of louver is displayed.

“
(downwards)
The display during
auto swing

Press
The display during
stop

the position of the louver

” (The most horizontal)

 “

”

 “

”

 “

”

 “

”

 “

” (The most downward)

 “

” (Return to the position of shipment)

HOW TO SET THE AIR FLOW DIRECTION

< WIRED REMOTE CONTROL >

Press
SET button (Fixing of the upper
limit position)
The upper limit position is fixed and the setting position is
displayed for two seconds. Then proceed to lower limit position
selection display.
[EXAMPLE]
“

“

HOW TO OPERATE VENTILATION (WHEN A VENTILATOR IS INSTALLED)

VENTILATION OPERATION NOT LINKED WITH UNIT’S
OPERATION

” (lights for two seconds)

” (shows current setting)

Press
“

Press ▲ or ▼ button (Selection of lower limit
position)

Stop

Select the lower limit position of louver.
“position 1” is the most horizontal, and “position 6” is the most
downwards.
“position --” is to return to the factory setting. If you need to
change the setting to the factory setting, use “position --”.

(horizontal)

the position of the louver

9
[EXAMPLE] For Upper position 2, Lower position 6

Upper
position
Movable
range

 “

”

 “

”

 “

”

 “

”

 “

” (the most downwards)

 “

” (return to the position of shipment)

Press
position)

VENTI button.

” is displayed, and the ventilation operation begins.

Press

VENTI button again.

NOTICE
• If no ventilator is connected, no operation can be performed by
pressing the ventilation button. (“
” is displayed).

” (the most horizontal)

“
(downwards)

< WIRED REMOTE CONTROL >

When the ventilator is set to “NO VENTI LINK”, the ventilator can be turned on and off independently regardless
of the operation of the air conditioner.
When the ventilator is set to “VENTI LINK”, the ventilator operation will be interlocked with the air conditioner
operation.

VENTILATION OPERATION LINKED WITH UNIT’S OPERATION

Press

button.

If a ventilator is connected, ventilation will operate automatically.
“ ” is displayed.

SET button (Fixing of the lower limit

Stop

The upper limit position and lower limit position are fixed, the set
positions lights for two seconds, and then the setting is completed.
• After the setting is completed, the louver which was set
moves from the original position to the lower limit position,
and goes back to the original position again. (This operation
is not performed if the indoor unit and/or indoor unit fan is in
operation.)
[Example]
“

Press

button again.

NOTICE
• No operation can be performed by pressing the ventilation button.
(“
” is displayed).

” (lights for two seconds)


Lower
position

Note : If the upper limit position number and the lower limit
position number are set to the same position, the louver
is fixed at that position. And auto swing does not function.

“

”

FOR COMFORTABLE USE


“

Clean the filter frequently

10 Press

button.

Louver adjusting mode ends and returns to the original display.

NOTICE

• If you press
RESET button during settings, the display will return to previous display. If you press
button during settings, the mode will end and the original display will return, and the settings that have not been
completed will become invalid.
• When plural remote controllers are connected, louver position setting cannot be set by slave remote control.

☞ See page 16

The filter should be cleaned when
the “Filter cleaning” message
is displayed, and at the ends of
cooling and heating seasons.

If the filter is clogged…
• The cooling/heating capacity will get reduced. Moreover it leads
to waste of electricity and larger operation noise.
• It may cause failure.
• Dew may form and drop during cooling.

Do not block the inlet and outlet grilles of the
indoor and outdoor units.
Excessive load to the unit may cause failure.

Keep moderate room temperature
Too much cooling or heating is not good for your health. It will also
waste the electricity.

Block direct sunlight and prevent draft
Block direct sunlight with blinds and curtains during cooling. Close
the windows and doors except when ventilation is necessary.

Adjust the airflow properly
Do not expose yourself directly to the airflow for too long time. For
small animals and plants, it is harmful as well.

If you feel cold underneath your feet during heating
If the ceiling is so high that the warm airflow does not circulate
underneath your feet, it is recommended to use a circulator.
Consult your dealer for more detail.

Stop the operation and turn the power supply
off if there are any possibility of lightning
strikes during a thunderstorm.
Lightning strikes may lead to the failure of air-conditioning system.

INSPECTION DISPLAY, FILTER SIGN, AIR CONDITIONER NUMBER, STANDBY AND ROOM TEMPERATURE DISPLAY
< WIRED REMOTE CONTROL >

WHEN THE FILTER CLEANING MESSAGE IS DISPLAYED

“

”⇔“

The “
” is displayed
when the cumulative operation time
reaches to the predetermined number
of hours in order to notify the time for
cleaning.

”


Air conditioner No.

(Air conditioner number)
(lights for 2 seconds by turns)

Press AIR CON No. button.

Press ▲ button.

Enter AIR CON No. display mode.

By operating AIR CON No. button, the number of the connected AIR CON
unit and error codes of the units which have the record are displayed.

AIR CON No. and error codes are
displayed in order from the lowest.
Press ▼ button to display in the
reverse order.

Press

button.

Return to the AIR CON of the lowest
number.

J If errors have occurred for some of the connected AIR CON
units.
Only the units for which errors have occurred stop operating.
The remote control shows the operating units.

Press AIR CON No. button.

Press ▲ button.

AIR CON No. display mode appears.

Press AIR CON No. button.

AIR CON No. display mode appears
and the AIR CON of the lowest number
is displayed. Other displays all turn off.

Press

button.

Return to the AIR CON of the lowest
number.

NOTICE

• If
button is pressed once while errors are displayed,
the errors display is turned off, and the stop mode returns.
button is pressed again, the errors are displayed.
If

ROOM TEMPERATURE DISPLAY
If room temperature display setting is activated, room temperature is
displayed on the remote control display. Then airflow display turns off,
but airflow adjusting button is operative. Consult your dealer for settings.


The room temperature display

OPERATION MODE display
Indicates selected operation with

FAN SPEED display
Indicates the selected airflow volume

FILTER display

ON-TIMER display

Indicates
for two seconds
when FILTER button is pressed.

Indicates when ON-TIMER is set. ☞See page 14

Press ▲ button.

AIR CON No. are displayed in order
from the lowest. In addition, if any
errors have occurred to the unit in
the past, error codes can be found
here too.
Press ▼ button to display in the
reverse order.

Press

button.

Return to the original display.

• The AIR CON No. can be displayed without relation to its modes of
operation, stop, forcible stop due to an error.
• Buttons other than “AIR CON No.” “▲” “▼” “ON/OFF” cannot be
operated.

Indicates

Indicates the ON-TIMER setting time.
Nothing displayed when ON-TIMER is not set.
☞See page 14

when OFF-TIMER is set. ☞See page 14

OFF-TIMER setting time display

Transmitter

Indicates OFF-TIMER setting time. Indicates the
current time when the OFF-TIMER is not set. ☞See page 14

Sends signal to the air conditioner.

ON/OFF button

FILTER button
Used to reset (turn off) the filter sign.
Press the button only after completing the filter cleaning.

When this is pressed once, the AIR CON starts to
operate and when this is pressed once again, it stops
operating.

AIR FLOW button
Used to swing the louver. ☞See page 15

OPERATION MODE select button
Every time this button is pressed, displays switch as below
(AUTO)
(COOL)
(HEAT)
(FAN)
(DRY)

ROOM TEMP/TIME SETTING button
Sets room temperature by pressing
Sets time when setting the time.

button.

ON TIMER button
Sets ON TIMER operation. ☞See page 14

TIMER CANCEL button

OFF TIMER button

Used to cancel the TIMER SETTINGS.

TIME SET UP switch

ACL switch

Sets current time. ☞See page 14

Used to reset the microcomputer.

NOTICE If the display of remote control has troubles, press ACL switch.
WIRELESS REMOTE CONTROL HANDLING PROCEDURE

REPLACING THE BATTERIES

HOW TO OPERATE

If the following occurs, the batteries are exhausted. Replace them with new ones.
• When the signal is transmitted, the AIR CON does not display reception.
• The display fades away or does not show anything.

1 Pull out the cover.
2 Replace the old
batteries with
new ones.

Pay attention
to the
and
marks

(R03×2)

STANDBY DISPLAY
During the first operation after breaker power supply input or the
” can be displayed on
recovery from power failure, “
the remote control for max 30 minutes.
The refrigerant oil protection control is activated to protect the
compressor and this isn’t a failure. Please wait till the display turns
off.

OFF-TIMER display

ON TIMER setting time display

Sets OFF TIMER operation. ☞See page 14

NOTICE

AIR CON No. are displayed in order
from the lowest. And error codes are
displayed on the unit in trouble.
Press ▼ button to display in the
reverse order.

Indicates the status of swing louver. ☞See page 15

Every time this button is pressed, the mode is switched
as below.
HI MED LO

RESET button.

The cumulative operation hours are
reset and the “FILTER CLEANING”
message turns off.

HOW TO DISPLAY AIR CON NO.

Press

AIR FLOW display

Indicates set temperature.

FAN SPEED button

After cleaning

ERROR display when multiple indoor units are connected
J If errors have occurred for all the connected air conditioning units.
Initially, the error display shows the formation of the air
conditioning unit whose number is the lowest.
Errors of other air conditioning unit can be checked with the
following procedure.

J Clean the air filter.
☞ See page 16
“FILTER CLEANING” is displayed in the
display area. It is displayed for one second
every five seconds while the unit is running.
It stays lit while the system stopped.

Display section

J The air conditioner stops in the event
any trouble occurs.
At the same time, the check indicator
light flashes in red and the error code is
displayed in the ON timer display area and
the following is displayed in the display area.

• In order to explain the displays in the liquid crystal display, all of them are shown in the figure below.

ROOM TEMP display

Operation section

WHEN THE CHECK INDICATOR LIGHT (RED) FLASHES
Error code

NAMES AND FUNCTIONS OF REMOTE CONTROL BUTTONS
WIRELESS REMOTE CONTROL

J How to set Radio Interference
Prevention Setting
It is possible to be sent in two ways.
Press ACL switch with AIR FLOW
button kept pressing or insert the
batteries with AIR FLOW button
kept pressing.

ATTENTION

3 Close cover.
4 Adjust the current time.

☞ See page 14
JWhen any error occurs on the
display,
Press
ACL
switch with
a ballpoint
etc.

NOTICE
If the remote control is set as “Radio
Interference Prevention Setting”, it
returns to default when the batteries
are removed. It is necessary to
perform the next procedures again.

• Do not use old and new batteries
mixed.
• Remove the batteries when the
remote control is not used for a long
time.
• The recommendable effective period
of a battery is about 6 to 12 months.
(It depends on the usage.)
• The recommendable effective
period is printed on the battery.
This may be shorter due to
manufacturing time of the unit.
• However the battery may be still
working in order after expiry date.

When the batteries are inserted, each operation mode
is set as the right figure. Adjust the current time referring
to page 14. (The figure is for operation, and only the
current time is displayed for stopping)

When you press each button of wireless remote
control, directing properly to the receiving part of
the air conditioner, the signal is transmitted. If the
air conditioner receives the signal correctly, the light
of operation indicator will flash.

ATTENTION
The operation of remote control must be performed
slowly and steadily.

ABOUT REMOTE CONTROL HOLDER
The remote control can be mounted on the wall or
pillar with the remote control holder.
Slide from the upper part of the holder to place or
take out the remote control.

ATTENTION
JDo not place the remote control to the following
places.
• The place exposed to direct sunlight or other
strong lighting.
• The place exposed to high temperature, for
EXAMPLE, on the electric carpet or near a stove.
JIf the signal receiving part of the air conditioner is
exposed to direct sunlight or other strong lighting,
it may not receive the signal. In this case, shut
out the sunlight or turn down the lighting.
JDo not place anything between the remote control
and the unit.
JDo not operate the remote control for other electric
appliances which can be operated with a remote control.
JHandle it with utmost attention.
JRemove the batteries when the remote control is
not used for a long time.
JEven if the remote control is not found or damaged,
you can operate the air conditioner with itself. See

“How to use the backup button” on page 15.
13

HOW TO USE < WIRELESS REMOTE CONTROL >

ON – TIMER OPERATION

HOW TO OPERATE

Operation is started at the setting time.

ATTENTION • In order to protect both indoor/outdoor air conditioners, keep the power supply on for six hours before initial operation. Do not

turn off the power supply. (Power is distributed to the crankcase heater, even if the compressor is stopped. This keeps the
compressor warm, and prevents failures caused by accumulation of liquid refrigerant.)
• The operation of remote control must be performed slowly and steadily.

< WIRELESS REMOTE CONTROL >
[EXAMPLE] If you would like to start the operation at AM 8:00

Press ON timer button.

Press

Press ON timer button.

ON timer display

blinks.

button to adjust to AM 8:00.

Displayed time will be changed by 10 minutes by pressing the buttons.

OPERATION

1
5
2
3
Operation mode
AUTO
COOL
HEAT
DRY
FAN

Press

button.

1·3

The operation display light (Green) turns on, and the operation starts.
The setting status is displayed on the liquid crystal area on the remote
control.

(AUTO)

 Cancellation
• Press CANCEL button to turn off the TIMER display and timer is canceled.
• After TIMER setting, if ON/OFF button is pressed before the setting time,
TIMER display turns off and the TIMER is canceled.

 In case the ON timer is set while the air

Press MODE button.
Current operation mode is indicated with the  marks besides the
operation mode icons.
The mode will change in the following order by pressing the button.

• ON timer display
stops flashing and lights, and the setting is
completed. (Press within 60 seconds)
TIMER/CHECK display lamp of the air conditioner lights. (The receiving part
of indoor unit)
• At AM 8:00, TIMER/CHECK display lamp turns off and the air conditioner
will start operating.

conditioner is in operation, it will be stopped
and ready for restart at the setting time.

Press ON TIMER button to set again.

OFF – TIMER OPERATION

(COOL)
(HEAT)
(FAN)
(DRY)

Operation is stopped at the setting time.

Press TEMP button.
Set the room temperature by pressing

 Time change

[EXAMPLE] If you would like to stop the operation at PM 9:00

button.

COOL ...............26 to 28°C
DRY ..................21 to 24°C

FAN................... TEMP setting is
unnecessary
• Operation mode can be changed even
when the unit stops.
• If you operate under the same condition
(operation mode, set temperature,
airflow, louver) just follow step 1, no
other operations are necessary. The
conditions which were set previously are
indicated on the remote control

Press FAN SPEED button.

→ HI → MED → LO— FAN SPEED can be changed in order.

HEAT ................22 to 24°C

Press AIR FLOW button.

Press

Press OFF timer button.

Press

Press OFF timer button.

OFF timer display

blinks.

button to adjust to PM 9:00.

• OFF timer display
stops flashing and lights, and the setting is
completed. (Press within 60 seconds)
TIMER/CHECK display lamp of the air conditioner lights. (The receiving
part of indoor unit)
• At PM 9:00, TIMER/CHECK display lamp turns off and the air conditioner

2·4

button
 Cancellation

will stops operating.

• Press CANCEL button to turn off the TIMER display and timer is canceled.
• After TIMER setting, if ON/OFF button is pressed before the setting time, TIMER display turns off and the TIMER is canceled.

 Time change

CURRENT TIME SETTING PROCEDURE

Press OFF TIMER button to set again.

PROGRAM TIMER OPERATION

The timer is set on the current time. Adjust the current time correctly at first of all.

[EXAMPLE] AM (morning) 8:00 setting

By setting both ON timer and OFF timer, the settings turn into PROGRAM timer mode. Operation and stopping can be performed at the
same time of each day by setting program timer once.

Press TIME SET UP switch.

Press it with the tip of ballpoint etc. The time display blinks and can be set
to the current time.

2
2

Press

button to adjust to AM 8:00.

• If
or
button is pressed during the blinking, fast-forward or fastbackward can be done.

Set ON timer.
Press ON timer button and set the time with
Press ON timer button again.

Press TIME SET UP switch.
The value of the time displayed stops flashing and lights, and the setting is
completed.

button.

Both ON TIMER and OFF TIMER are displayed. The direction of arrow mark
changes depending on the status of operation.

NOTICE
• In case the buttons are not pressed for 60 seconds, the displayed time is set as
current time without step 3.

Set OFF timer.
Press OFF timer button and set the time with
Press OFF timer button again.

Morning : AM After noon : PM
The displayed time changes by 1 minute when pressing the button.

1·3

Displayed time will be changed by 10 minutes by pressing the buttons.

Effective AIR FLOW direction ☞ see page 15
AUTO mode operation ............ Intermediate
Cooling, dehumidifying mode ... Horizontal
Heating mode ......................... Downwards

Stop

Press ON/OFF button when the air conditioner stops.
The air conditioner starts to operate.
OFF timer can be set only in case the air conditioner is in operation.

 Guideline of room temperature setting

(stop)

 Cancellation
• Whenever the CANCEL button is pressed, both ON and
OFF timer display will be turned off and the PROGRAM
timer mode will be cancelled. (Operation condition is kept as
before the button is pressed.)
• Whenever the ON/OFF button is pressed, both ON and OFF
timer display will be turned off and the PROGRAM timer
mode will be cancelled. The air conditioner stops operating.

(operating)

 Changing the set time
Press OFF TIMER button or ON timer button to set again.

NOTICE
The same time cannot be set for OFF timer and ON timer.

HOW TO ADJUST THE LOUVER

< WIRELESS REMOTE CONTROL >

CHECK INDICATION, FILTER SIGN

UP AND DOWN ADJUSTING

for 0.5 seconds and
WHEN SHORT FLASHING LIGHT ( lights
) IS SHED FROM THE TIMER/CHECK INDICATOR LAMP (YELLOW)
blinks for 0.5 seconds

How to move swing louver

Press AIR FLOW button when the air conditioner is in operation.
• The swing louver moves up and down, and the display moves too.

There is something wrong with the air conditioner.
• Immediately after the timer/check indicator lamp flashed (lights for 0.5 seconds and blinks for
0.5 seconds), the air conditioner stops.
• Address No. and error code are shown on the display on the indoor unit.
• The monitor display is turned off after the display time elapses.
• When nothing is displayed on the monitor, operate the remote control or press the BACKUP
button to resume.

NOTICE
The louver position which the display shows is not synchronized with the
actual position when the louver is swinging. But this is not a failure.
continuous movement of display

To fix the position of the swing louver

Press AIR FLOW button when the louver position indication comes to the position where you
would like to fix it.
• Auto swing display stops at the position and then the swing louver stops and be fixed.

Recommended air flow direction
position (when fixed)

Check monitor

Please contact your dealer and inform them “address No. and error code”, “symptom of
the trouble”, “air conditioner type” and “model name” etc.
• Press the ON/OFF button to stay the air conditioner on the stop mode.

Timer/check
indicator lamp

NOTICE
Press the button and auto swing display stops immediately, then the swing louver stops
later, but this is not a failure. (Auto swing display and the actual louver movement of the air
conditioner are not synchronized)

for 2 seconds and
WHEN LONG FLASHING LIGHT ( lights
) IS SHED FROM THE TIMER/CHECK INDICATOR LAMP (YELLOW)
blinks for 1 seconds

COOL
DRY
B

Clean the filter.

AUTO

☞ See page 16.
• When cumulative running time reaches to 120 hours, long flashing light (lights for 2 seconds
and blinks for 1 second) is shed from the timer/check indicator lamp (yellow).
• After cleaning of filter, press the FILTER button on the remote control to turn off the filter
cleaning sign. (Press the button for one second or more)

The swing louver movement during heat preparation
horizontal position

When “heat preparation” is displayed, the position of the swing louver
sets horizontal automatically. (The display of remote control keeps the set
position)
When heat preparation ends and normal operation starts, the position of
the swing louver returns to the set position.

HEAT
D

CAUTION
Do not set the position of the swing louver downwards for a long time. Dew formation on the side panel may drop.
(in case of FDE)

FOR COMFORTABLE USE
See page 12

< WIRELESS REMOTE CONTROL >

J Ceiling suspended (FDE)

Timer/check
indicator lamp

NOTICE

The cumulative running time for filter sign can be changed.
Consult your dealer for more information.

J Ceiling cassette −4 way− (FDT)
Ceiling cassette −4 way Compact (600×600mm) − (FDTC)
for 0.5 seconds and
WHEN SHORT FLASHING LIGHT (lights
blinks for 0.5 seconds ) IS SHED FROM THE TIMER/CHECK INDICATOR LAMP (YELLOW)

Something is wrong with the air conditioner.
• Immediately after the timer/check indicator lamp flashes (lights for 0.5 seconds and blinks for
0.5 seconds), the air conditioner stops.
• Address No. and error code are shown on the display on the indoor unit.
• The monitor display is turned off after the display time.
• When nothing is displayed on the monitor, operate the remote control or press the BACKUP
button resume.

TIMER
CHECK RUN

Check monitor

Timer/check
indicator lamp

for 2 seconds,
WHEN LONG FLASHING LIGHT ( Light
wink out for 1 second ) IS SHED FROM THE TIMER/CHECK INDICATOR LAMP (YELLOW)

Clean the filter.

TIMER
CHECK RUN

☞ See page 16.
• When cumulative running time reaches to 120 hours, long flashing light (lights for 2
seconds and blinks for 1 second) is shed from the timer/check indicator lamp (yellow).
• After cleaning of filter, press the FILTER button on the remote control to turn off the filter
cleaning sign. (Press the button for one second or more)

Timer/check indicator lamp

NOTICE

The cumulative running time for filter sign can be changed. Consult your dealer for more information.

BACKUP BUTTON

HOW TO MAINTAIN

In case of battery exhausted, or loss or any trouble of remote control, the air conditioner can be operated with the BACKUP button on the
indoor unit display part.

 Ceiling suspended (FDE)
Backup button

 Ceiling cassette −4 way− (FDT)
 Ceiling cassette −4 way Compact (600×600mm) − (FDTC)

TIMER
CHECK RUN

How to clean the Air Filter
Clean the filter frequently for economical operation.
Caution Before cleaning, stop the operation and turn off the power supply.
Otherwise, it may lead to injury as fan inside rotates at high speed.
Caution The stepladder used for removing and attaching the air filter must be fixed firmly.
Otherwise, it may lead to injury due to overturn or fall.
Caution Be careful so that the dust does not get into your eyes when removing the air filter.
Caution Do not operate the air conditioner while the air filter is removed.
Piled up dust may lead to malfunction.

How to remove
Follow the instruction mentioned below according to the indoor unit type.

 Ceiling cassette −4 way− (FDT)
Backup button

In case of FDE/FDT/FDTC

• How to handle inlet grille/filter

1. Hold the stoppers on the grille (2 places) to the “OPEN”
direction (arrow mark 1), and then pull down to open the
grille. Remove the hooks of the grille to dismount it.

Removal

ON/OFF

Press backup button and leave it untouched for two seconds.
The operation starts.
Press it again to stop the opearation.

1. Push holders (arrow mark 2) and filter frame (arrow mark
2’), and remove the filter from the holders. Then, slide the
filter in the indicated direction (3) to remove it from the
grille.

SETTING
OPERATION MODE .......... AUTO
FAN SPEED............................ HI
TIMER ............................... No setting
SET TEMP .............................. 23°C
AUTO SWING .................... STOP (HORIZONTAL)

Stopper

Filter frame

Holder
d′

1. Check that the filter is on the right side and that its
orientation is correct. Then, hook it to the hooks. (Insert in
the way indicated with arrow mark 4)
2. Ensure to insert the holders of the grille into the filter’s holes
until clicking sounds are heard.

1 on both sides

Mounting

1. Mount the hooks of the grille to the holes on the panel. (The
hooks on the grille can be mounted in all 4 directions.)

Hook
Filter

2. Close the grille while pressing the stoppers on the grille (2
places) to the “OPEN” direction. Then, release the stoppers.

Holder
Holder

Grille

Caution Mount the grille securely.
Otherwise, it may fall.
Caution When the stopper is deformed or damaged,
repair or replace without delay.
Otherwise, the grille may fall.

Direction for closing

Holes for hooks

Caution Mount the filter to the grille securely.
Otherwise, it may lead to decreased efficiency due
to leakage of flow from the gap.

TROUBLE SHOOTING

HOW TO MAINTAIN

Check the following items before requiring service.

J Ceiling cassette −4 way Compact (600×600mm) − (FDTC)
1. Slide the inlet grille levers in the direction of the arrow (
open it downwards.

), and

THE UNIT DOES NOT WORK AT ALL
Is the power supply switch
turned off?

Is there a blackout or is the
fuse blown?

POOR COOLING OR HEATING
Is the air filter clogged?

3. Pull the filter towards you.
Hooks
4. When the filter is put in place, insert the filter into the hooks on
the inlet grille, and be sure to return the stopper to its original
position.

Hooks

Stopper

5. When putting the inlet grille back in place, slide the levers in the
opposite direction and check to be sure that the grille does not
come open.

Is sunlight or other strong
illumination striking the
receive unit? (wireless unit)

Dangerous. Immediately turn
off the power supply switch,
and contact your dealer.

OFF

2. Release the inlet grille stopper.

Is the leakage breaker
activated?

Is the swing louver
horizontal (during
heating)?
If the swing
louver is
horizontal, the
airflow may not
reach down to
the floor.

Are there any obstacles
blocking the air inlet
and outlet grill?

POOR COOLING

NO AIRFLOW AT HEATING

• Is the direct daylight
coming into the room?

Is the unit in the
heating preparation
mode?
☞ See page 18

• Are there any
unexpected heat
sources in the
room?
• Are there too many
people in the room?

If, after checking the items above, the air conditioner still does not operate normally or in the next cases, stop operating and contact your dealer.
• If the fuse and breaker blow frequently. • If water drips at cooling/dehumidifying operation. • If the operation or operation noise is abnormal.
• If the check indicator light flashes.

The phenomena mentioned below is not malfunction.

J Floor Standing (FDF)

J Ceiling suspended (FDE)
1. Slide the lever of the inlet grille
direction) and open it
backward (
downwards.

2. Pressing the inlet grille, press the filter
to remove it from the tab and pull it
downwards.

Please take out the air filter by
pulling carefully the both sides of the
inlet grille.

tabs

Air filter
When mounting, press the lever forward
until it snaps.

tabs

When attaching the filter, insert the
filter into the tabs of the inlet grille.

J Duct connected −High static pressure− (FDU)
J Duct connected −Middle static pressure− (FDUM)
Air filter is attached when the air conditioner is installed, so consult your dealer about
how to remove or clean it.

How to clean
1 Wash away for cleaning. If it is not so dirty, tap it or use
cleaner.
If it is very dirty, dissolve some neutral detergent in lukewarm
water (approximately 30°C), rinse the filter with it and wash
the detergent away completely.
2 After the air filter is dried, mount it to the main body and press
RESET button.

ATTENTION
• Do not dry by exposing the air filter to the direct sunlight or
using fire. Otherwise, the filter may be damaged.
• Do not operate the air conditioner with the filter removed.
Otherwise it may lead to trouble.

MAINTENANCE OF THE UNIT
• Clean the unit by wiping with a piece of soft and dry cloth.
If the unit is very dirty, wipe it with a piece of cloth wet with
neutral detergent dissolved in lukewarm water and wipe it
off with clean water.

AT THE END OF THE PERIOD OF USE
(after a long period of use)
• Make sure to turn off the power supply.
The air conditioner consumes several tens of watts
electricity even if it is stopped.
• Clean the air filter and mount it.
• Clean the indoor/outdoor units.

The air conditioning system
sounds as if water is
draining from it.

Sounds of rustling or gurgling may be heard when the operation is started, when the compressor is activated/
deactivated during operation, or when the operation is stopped. These are the sounds of the refrigerant
flowing through the system.

Sounds of rustling or
gurgling may be heard from
a stopped indoor unit.

These sounds can be heard when the air conditioning system is performing automatic control.

The supply air from the
indoor unit smells bad.

The supply air from the indoor unit may smell bad if the smell of cigarettes, cosmetics and/or furniture has
saturated the air conditioning system.

White vapor is generated
from the indoor unit during
operation.

White vapor may be generated during operation if the system is used in environment where oils and fats are
frequently used, such as in restaurants. In this case, consult the dealer and clean the heat exchanger.

The operation switched to
fan operation during cooling
operation.

The operation may switch to fan operation automatically in order to avoid frost being built up on the surface of
the heat exchanger. The operation will soon return to cooling operation.

The indoor fan does
not stop even when the
operation is stopped in
heating mode.
The air conditioning system
cannot start operating again
immediately after stopping.

The indoor unit fan may continue operating for 40 seconds in order to remove remaining heat in the indoor
unit.

No air comes out during
dehumidifying operation.
The airflow volume cannot
be changed.

During dehumidifying operation, the fan speed is automatically controlled in low speed/stop cycle in order to
avoid both drastic temperature drop and humidity rise.

The swing louver moves
without any operation.

The swing louver automatically swings twice when the power supply switch is turned on. This is not a trouble.
The louver also moves automatically to the horizontal position when “PREPARATION OF HEATING” is
displayed.

CAUTION

Do not turn off the power supply until the fan stops.

During the first 3 minutes after stopping operation, it is not possible to perform cooling, dehumidifying or
heating operation even if the ON/OFF button is pressed to indicate “operation.” This is because a circuit for
protecting the compressor is activated (the fan is operating during this period).

The outdoor unit discharges Water or steam is discharge during defrosting operation which removes frost built up on the surface of the
water or steam during
heat exchanger in the outdoor unit in heating mode.
heating operation.
The outdoor unit fan is not
running even when the
system is in operation.

The fan speed is automatically controlled according to the ambient temperature. It may be stopped in high
ambient temperature in case of heating, and in low ambient temperature in case of coding. Also, the fan is
stopped during defrosting operation.
CAUTION

The fan will suddenly begin to operate even if it is stopped. Do not insert finger and/or stick.

AT THE BEGINNING OF THE PERIOD OF USE
(after a long unused period)
• Make sure that there is no object blocking the airflow
around the inlet and outlet grilles of the indoor/outdoor
unit.
• Inspect the air filter. If it is dirty, clean and mount it.
• Turn on the power supply button for 6 hours before
starting the operation.
17

TROUBLE SHOOTING
The phenomena mentioned below is not malfunction.
Slapping sounds are heard.

These sounds are generated when plastic components are expanded or shrunk by the heat and rubbed with
each other.

Hissing sounds are heard
when the operation is
stopped or during defrost
operation.

These sounds are generated when the refrigerant valve inside the air conditioning system is activated.

The air conditioner starts
operation automatically as
soon as the power supply is
turned on.

In case the automatic restart function is enabled, and when the power supply recovers, the system restarts
the operation automatically as same condition as before power supply is cut.
☞ See below

The setting temperature
cannot be changed (the
setting temperature display
flashes).

If changing the set temperature is prohibited on the remote control, it is not possible to change the
temperature setting even ▼ or ▲ is pressed.
☞ See right

In case of wireless remote
control, the unit does not
operate with the inspection
display light on the indoor
unit flashing even though
any button on the remote
control is pressed.

In case the system is controlled by the other centralized remote control and it forbids operating the system
from the remote control, it is not possible to operate by the remote control.

Even if the wired remote
control is operated, “central
control” light only flashes
and doesn’t operate.

Is not “central controlling” or “center” displayed?
If controlled with a separately purchased center console etc., the unit cannot be operated by the remote
control.

The following button operations can be disabled. If the button is pressed, “
and the original display returns. Consult your dealer for “
” setting.
1
button
2
TEMP button
3
LOUVER button
4
MODE button
5
FAN SPEED button
6
TIMER button

” is displayed indicating that the button is disabled,

INSTALLATION, RELOCATION, AND INSPECTION MAINTENANCE
Please observe the following points in order to use the air conditioner in a safe and comfortable manner.
Make sure to request your dealer for installation, and do not attempt to do by yourself.

INSTALLATION LOCATION
Is the system installed in a well-ventilated place?
Are there any obstacles? If so, it leads to the decrease of the efficiency and the increase of operation noise.
Avoid the place where cool/warm air and operation noise cause problems to your neighbors.

ELECTRICAL WORK

PREPARATION OF HEATING
CASES WHEN “

SETTING TO DISABLE BUTTON OPERATION
NOTICE

Caution : Make sure to perform grounding work
Do not connect the ground wire to any gas pipe, water pipe, or wires of lightning conductors and telephones. If the ground work is not good, it
may lead to electric shock.
Caution : A leakage breaker is necessary depending on the installation environment.
If it is not mounted there, it may lead to electric shock.
Only qualified specialists of electrical and grounding work can do these works according to “electric equipment technical standards”.
 Is the wiring designated for the air conditioner?
 Is the remote control mounted correctly?
• In the case of exposed wiring, is the wiring fixed with the attached screw?
• Is the attached remote control clamps used for fixing the remote control cord?
• Is the remote control mounted at a height where children cannot reach?

(PREPARATION OF HEATING)” IS DISPLAYED

“
(PREPARATION OF HEATING)” is displayed in the remote control display area in the following cases.
For wireless devices, the run/check display lamp on the main body display unit will flash green.
Setting temperature and preparation of heating are displayed on the wired remote control.
• At Starting Heating Operation
In order to prevent cool air from blowing out, the airflow into the room may be stopped depending on the room temperature at the
start of heating operation. please wait for a while and the operation automatically switches to the normal heating operation.
• At defrost operation (during heating operation)
When frost may easily formed on the outdoor unit, the heating operation automatically is stopped (both indoor/outdoor unit
stop fan operation) for approximately 5 to 10 minutes per hour and defrosting is operated. After the defrosting is complete, the
operation automatically switches back to the normal operation.

RELOCATION
Warning : Make sure to consult a dealer or specialist if it is required to relocate and reinstall the air conditioning system.
If the air conditioning system is installed incorrectly, water leakage, electric shock and/or fire may occur. Note that an installation fee will be
charged for relocation and installation.

INSPECTION MAINTENANCE
Normally the efficiency of the air conditioning system will become lower after a while, because dirt accumulates inside the system. This occurs gradually in
around 3 years of use, depending on the condition of use and surrounding environment. It is thus necessary to conduct inspection maintenance in addition
to regular maintenance. We recommend you to consult the dealer from whom you purchased the system and make a contract for periodical inspection.
(charged).

HEATING OPERATION
• Heat pump type
Heat pump type heating applies the mechanism that draws the heat from the outside air to warm up the room by means of the refrigerant.
• Defrost operation
During heating with a heat pump type air conditioner, frost will be formed on the outdoor unit if the temperature outside the room drops. If left alone, the
heating efficiency decreases. In order to deal with this, the operation is automatically switched to defrost operation to remove the frost. During the period,
the airflow of indoor/outdoor unit is stopped and “heating defrost” is displayed.
• Outer air temperature and heating capacity
The heating efficiency of heat pump type air conditioner decreases as the outside temperature becomes lower. If the capacity of air conditioner for heating
is not sufficient, please use other heating device.
• Time required until the room temperature increases
A heat type air conditioner circulates warm air to warm the entire room, so it takes a while to rise up the room temperature. It is recommended to start
operation earlier on a very cold day.
• When room temperature adjusting device operates during heating
If room temperature rises and the room temperature adjusting device is activated, the airflow becomes automatically low. When the room temperature
drops, it switched back automatically to the normal operation.

AUTO RESTART
NOTICE

An auto restart function, which is disabled at the factory setting, is applicable to the remote control. Consult your dealer.
 What is auto restart
• When a power failure occurs or the power supply is turned off, the function allows the system to automatically resume operation with the remote control
setting made set before the power failure when the power supply recovers. If the system is stopped before power failure it remains stopped after the power
recover.
• Note that in the following cases it is needed to set again with the remote control.
1 Timer setting is cancelled. But the sleep timer recovers after power failure recovers. When recovering from a power failure, holiday setting will override
the weekly timer setting. And time setting returns to default. To return to original setting, after time setting, execute “holiday cancel”.
2 Louver stops at the horizontal position.
CAUTION

Make sure to stop the operation before turning off the power supply when the auto restart function is enabled. (If the power supply is turned off while the
system is operating, the indoor unit fan will start immediately when the power supply is turned on. In addition, the outdoor unit starts operating 3 minutes
after the power supply is turned on.)

OPERATION RANGE
CAUTION

Please use the system in the following operation range. If the system is operated outside this range, the protection controls may be activated to prevent
malfunction.

Condition
Operation
Cooling
operation
Dry operation

Heating
operation

Room temperature

Temperature outside the room

Humidity inside the room

Approximately
21 to 32°C
Long continuous operation under
approximately 21°C may lead to malfunction
due to dewfall

Approximately -5 to 43°C

Approximately 80% or less
Long operation under high humidity may leads to
waterdrop or smoky vapor at the supply air grille.

Approximately
27°C or less

Approximately
-10 to 21°C
If outside air temperature becomes low, the
heating efficiency is lowed and the heating
becomes difficult.

(Note) Operation range may differ depending on models .Please check the catalog.

MAINTENANCE AND INSPECTION GUIDELINE OF MAIN PARTS OF PACKAGED AIR CONDITIONER
This table indicates the details of regular inspection items and their intervals
(inspection interval), and the timing of parts replacement under a normal
use condition. If the equipment falls into a certain category specified
by the laws and regulations of each country, conduct the maintenance
and inspection according to the specified rules too. As to the preventive
maintenance, the regular inspection interval is indicated as the “inspection
interval,” and the predicted interval of the “implementation of cleaning and

adjustment” or “implementation of parts replacement and repair” according
to the result of the regular inspection is indicated as the “maintenance
interval.” As to the cleaning and adjustment, the timing is set to prevent the
deterioration of parts and the degradation of performance. As to the parts
replacement and repair after the inspection, the timing is set by estimating
the operation time or use time, when the wear-out failure period is reached.

Explanation of symbols
: Conduct the cleaning and adjustment according to the inspection result

: Random failure

: In case of abnormality after inspection, replace or repair the corresponding part.

: Wear-out failure

: Conduct the periodic replacement (consumable components)

indoor

[Mainly
parts and built-in components]
*The distinction between the indoor and outdoor assumes the air conditioner for a store and a multiple-air conditioner for a building. This may vary depending on the configuration of the unit, such as equipment air conditioner.
Part Name
Part Name
Decorative panel
(design part)

Maintenance Interval
(Used Hours/Duration)

- There should be no extreme dirt, scratches, or
deformation

- Cleaning with neutral detergent, paintwork by
repair coating

- There should be no extreme scratches or
deformation

- Repair or replace it if deformed or damaged
- Replace the bearing, motor, etc. when
malfunctioning

- Check of rust and peeling off of the heat insulation
material
- Check of peeling off and floating of paint coating

Visual inspection

- There should be no extreme rust or damage of heat - If the heat insulation material is peeled off, repair
insulation material
and stick it
- Paintwork by repair coating

- Check of deterioration and hardening of rubber

Visual and audible
inspection

- Vibration insulation function should not be
impaired

- Replace it when deteriorated or hardened

- Visual check of dirt and breakage

Visual inspection

- Filter material should be seen through
- There should be no breakage or deformation

- Clean it if it is dirty
- Replace it if it is broken

- Visual check of vibration and balance

Visual inspection

- Should not be in an extremely vibrating condition

Fan
Fan casing

- Check of dust adhesion and appearance

Visual inspection

- There should be no extreme rust or deformation

- Replace it in case of vibration and extreme
unbalance
- Clean with a brush or wash with water in case of
extreme dust adhesion

13 years

Fan motor

- Sound audibility check
- Insulation resistance measurement

Audible inspection
500 V mega

- There should be no abnormal sound generation
- The resistance value should be 1 M or more

- When a bearing sound is loud, replace the bearing
- When the resistance value is 1 M or less, replace
the motor

20,000 Hr

- Regular lubrication is required

Audible inspection

- There should be no abnormal sound generation

- Replace parts regularly

- Insulation resistance, abnormal sound generation

500 V mega, audible
inspection

- The resistance value should be 1 M or more,
there should be no abnormal sound

- Replace it if the resistance value is 1 M or less

- Check the clogging of foreign matters and the flow
of drain water
- Check of peeling off and floating of paint coating

Visual inspection

- There should be no drainage clogging

- Cleaning of drain pan, inclination check

- There should be no abnormal rust generation and
hole opening

- Repair coating or replace the drain pan depending
on the problem level

- Check the drainage condition
Visual inspection
- Check the clogging and dirt of the water supply and Visual inspection
drainage outlet
- Insulation resistance
500 V mega

- Should be drained normally
- There should be no clogging or dirt

- Replace it in case of drain defect
- Clean it in case of clogging and dirt

- The resistance value should be 1 M or more

- Replace it if the resistance value is 1 M or less

Dewing preventing
heater

- Insulation resistance, appearance check

500 V mega, visual
inspection

- The resistance value should be 1 M or more,
there should be no abnormality

- Replace it if the resistance value is 1 M or less

Float switch

- Operation check

Tester

- ON-OFF should operate normally

- Replace it in case of malfunction

- Check the clogging and damage due to foreign
objects
- Gas leakage

Visual inspection

- There should be no clogging or damage

- Wash the air inflow side in case of clogging

Air heat exchanger

Gas detector

- No leakage should be detected

- Sympathetic vibration, contact, and corrosion of
the piping in the unit
- Sympathetic vibration and contact of capillary tube

Visual inspection

- There should be no abnormal sympathetic
- Replace it or readjust the piping when extremely
vibration, sound, or corrosion
corroded
- There should be no abnormal sympathetic vibration - Replace it or readjust the piping when extremely
or contact wear
worn

Frame, bottom
plate, etc.

Automatic louver
motor
Drain pan

Drain pump

Piping in the unit

- Operation check
Electronic expansion
- Operation sound by power on/off (pressure check)
valve

Visual inspection
Tactile inspection
Audible and tactile
inspection

- Operation and insulation performances of
500 V mega
Electromagnetic
electromagnetic valve, four way switching valve, etc.
valve, four way
- Corrosion, abnormal sound
Visual and audible
switching valve, etc.
inspection
Electric component
box
(including inverter)
Electric and
electronic
parts

Inspection
Interval

Visual inspection

Bearing

Refrigerant
system parts

Details of Maintenance

Visual inspection

Filter

Drain system
parts

Preventive Maintenance*
Criteria

- Visual check of dirt and scratch
- Outlet grill louver operation check

Vibration-proof
rubber

Ventilation
system parts

Inspection Method

- Check of dirt and scratch

Intake/outlet grills
Structural
component

Regular Inspection
Details of Inspection

- Circuit insulation resistance check
- Terminal part, connector looseness check

500 V mega
Driver, visual
inspection

Note 4

- Repair or replace it when gas leakage is detected

- Replace it when locking occurs

- The resistance value should be 1 M or more

- Replace it if the resistance value is 1 M or less

- There should be no abnormal sound or corrosion
- Clean with a brush in case of extreme dust
adhesion
- Replace it if the resistance value is 1 M or less
- Retighten or reinsert it if there is looseness

- Output voltage measurement

Tester

- Output voltage should be within a specified value

- Replace it if there is voltage abnormality

Temperature sensor
Humidistat

- Open, short circuit, earth, appearance check

Tester, visual
inspection

- Should be of a specified resistance value
- There should be no cracking or discoloration

- Replace it in case of disconnection and short
circuit

Remote control
switch

- Check the controllability by the operation

Visual inspection

- LCD should display as operated

- Replace it in case of failure of the following
capability of control and the display

Note 2) The elapsed year marked with * assumes the operating time
as 10 hours/day and 2500 hours/year in a normal operating
condition without frequent start/stop. This may vary according to
the operating condition. Please check the calculation basis of the
elapsed year when making a maintenance contract.

Note 3)

8 years



8 years



8 years



5 years

Every year
Before
the airconditioning
season

Cleaning object item







20,000 Hr



20,000 Hr



Cleaning object item



20,000 Hr




20,000 Hr



20,000 Hr



20,000 Hr





25,000 Hr



10 years



illustrates the estimated timing when the wear-out
failure starts and how the failure rate increases as the time passes.

Consumable
components



8 years

5 years

Consumable
components



25,000 Hr





20,000 Hr

5 years

Remarks
10 11 12 13 14 15
Cleaning object item



15,000 Hr

Switching power
source transformer

Note 1) Random fault is an unexpected failure which occurs before
the wear is progressed, within the service life of the parts and
equipment. It is difficult to establish a technological measure
against the random fault. At the moment, statistical handling is the
only measure against the random fault.

10 years
Every week

- Circulation of refrigerant should be felt
- There should be driving sound and temperature
change

- The resistance value should be 1 M or more
- There should be no looseness at the connecting
part
- There should be no deposited foreign matter
- There should be no abnormal display

Every year
Before
the airconditioning
season

Elapsed Years
1



Cleaning object item
 Due to atmospheric
dirt



Note 4) The inspection timing of filter is basically every week. However, the
contamination state varies depending on the type of filter and the
use condition. Therefore, conduct the inspection in arbitrary cycles
according to the use condition.

Explanation of symbols
: Conduct the cleaning and adjustment according to the inspection result

: Random failure

: In case of abnormality after inspection, replace or repair the corresponding part.

: Wear-out failure

: Conduct the periodic replacement (consumable components)

outdoor

Visual inspection

- Check of rust and peeling off of the heat insulation
material
- Check of peeling off and floating of paint coating

Visual inspection

- Check of deterioration and hardening of rubber
- Visual check of vibration and balance

Fan
Fan casing

Fan motor

Frame, bottom plate, etc.
Vibration-proof rubber

Ventilation
system
parts

Bearing

Compressor

Air heat exchanger

Piping in the unit
Refrigerant
system
parts

Electronic expansion valve

Electromagnetic valve, four
way switching valve, etc.
Container, etc.
Protection
device
(security
parts)

Pressure
shutoff device
Fusible plug

Preventive Maintenance*
Criteria

Inspection
Interval

Maintenance Interval
(Used Hours/Duration)

Elapsed Years
1

Remarks
10 11 12 13 14 15

8 years



Cleaning object item

- There should be no extreme rust or damage of heat - If the heat insulation material is peeled off, repair
insulation material
and stick it
- Paintwork by repair coating

8 years



Cleaning object item

Visual and audible
inspection

- Vibration insulation function should not be
impaired

- Replace it when deteriorated or hardened

10 years



Visual inspection

- Should not be in an extremely vibrating condition

- Check of dust adhesion and appearance

Visual inspection

- There should be no extreme rust or deformation

- Replace it in case of vibration and extreme
unbalance
- Clean with a brush or wash with water in case of
extreme dust adhesion

10 years



- Sound audibility check
- Insulation resistance measurement

Audible inspection
500 V mega

- There should be no abnormal sound generation
- The resistance value should be 1 M or more

- When a bearing sound is loud, replace the bearing
- When the resistance value is 1 M or less, replace
the motor

20,000 Hr

- Regular lubrication is required

Audible inspection

- There should be no abnormal sound generation

- Replace parts regularly

- Sound audibility and vibration at the start-up,
operation, and stop
- Insulation resistance measurement (after
energizing the manufacturer designated time)
- Looseness of terminals and contact of wiring

Visual, audible, and
tactile inspection
500 V mega

- There should be no abnormal sound or vibration

- Replace it if abnormal

- The resistance value should be 1 M or more

- Replace it if the resistance value is 1 M or less

Driver, visual inspection - There should be no looseness or contact

- Retighten. Correction of wiring path

- Check the clogging and damage due to foreign
objects
- Gas leakage

Visual inspection

- There should be no clogging or damage

- Wash the air inflow side in case of clogging

Gas detector

- No leakage should be detected

- Repair or replace it when gas leakage is detected

- Sympathetic vibration, contact, and corrosion of
the piping in the unit
- Sympathetic vibration and contact of capillary tube

Visual inspection

20,000 Hr



- Operation check
- Operation sound by power on/off (pressure check)

Tactile inspection
Audible and tactile
inspection

- Circulation of refrigerant should be felt
- There should be driving sound and temperature
change

- Replace it when locking occurs
20,000 Hr



- The resistance value should be 1 M or more

- Replace it if the resistance value is 1 M or less
20,000 Hr




Visual inspection

- Operation and insulation performances of
500 V mega
electromagnetic valve, four way switching valve, etc.
- Corrosion, abnormal sound
Visual and audible
inspection

- There should be no extreme rust generation,
cracks, fracture, etc.

Details of Maintenance
- Paintwork by repair coating
- Replace it if there is any damage, such as cracks
and fracture.

- There should be no abnormal sound or corrosion

Every year
Before
the airconditioning
season

5 years

Visual inspection

- There should be no abnormal corrosion

- Repair coating in case of corrosion generation

20,000 Hr

Pressure gauge, etc.

- Operate it at a setting value
- Observe the rules specified by the laws and
regulations

- Replace it if it does not operate within the
permissible range of setting values

25,000 Hr

- Appearance check (swelling of fusible alloy)

Visual inspection

- The fusible alloy should be in a normal position

- Replace the device if fusible alloy is swelling out of
the normal position
Note 3)



15,000 Hr

illustrates the estimated timing when the wear-out
failure starts and how the failure rate increases as the time passes.

Consumable
components





20,000 Hr

- Corrosion of accumulator, oil separator, etc.



15,000 Hr

- Operation pressure, gas leakage, insulation
resistance

Inspection Method

- Check of peeling off and floating of paint coating
- Check of fractures and cracks of plastic parts

Guard, etc.
Structural
component

Regular Inspection
Details of Inspection










Cleaning object item
 Due to atmospheric
dirt

Explanation of symbols
: Conduct the cleaning and adjustment according to the inspection result

: Random failure

: In case of abnormality after inspection, replace or repair the corresponding part.

: Wear-out failure

: Conduct the periodic replacement (consumable components)

Part Name
Part Name

Crankcase heater

Anti-freezing heater

Electric component box
(including inverter)
Electrolytic
capacitor
Smoothing
capacitor
Terminal
block

Electric and
electronic
parts

Electrical
component
(including
boards, etc.)
Pressure sensor,
temperature sensor
Switch, etc.
(including
FFB, ELB)

Electromagnetic
switch
Overcurrent relay

Regular Inspection
Details of Inspection

Inspection Method

Cooling fan
Fuse

Details of Maintenance

Inspection
Interval

Maintenance Interval
(Used Hours/Duration)

Elapsed Years
1

- Conductivity check
- Insulation resistance measurement
- Appearance check

Tester
500 V mega
Visual inspection

- It should be in a conducting state
- The resistance value should be 1 M or more
- There should be no abnormality

- Replace it if it is not in a conducting state
- Replace it if the resistance value is 1 M or less

8 years



- Conductivity check
- Insulation resistance, appearance check

Tester
500 V mega, visual
inspection

- It should be in a conducting state
- The resistance value should be 1 M or more,
there should be no abnormality

- Replace it if it is not in a conducting state
- Replace it if the resistance value is 1 M or less

20,000 Hr



- Circuit insulation resistance check

500 V mega

- The resistance value should be 1 M or more

- Terminal part, connector looseness check

Driver, visual
inspection

- There should be no looseness at the connecting
part

- Clean with a brush in case of extreme dust adhesion
- Replace it if the resistance value is 1 M or less
- Retighten or re-insert it if there is looseness

- Capacitor (electrolytic) appearance check

Visual inspection

- There should be no liquid leakage or deformation

- Appearance check, replace it if there is liquid
leakage

- Measurement of electrical capacitance and
insulation resistance
- Appearance check

Electrostatic
instrument, 500 V
mega Tester

- Should be of specified volume or more
- The resistance value should be 1 M or more

- Replace parts regularly
- Replace it if the resistance value is 1 M or less

- Terminal part screw looseness, deposit of dirt

Driver, visual
inspection

- It should not be loose
- There should be no deposited foreign matter

- Retighten it if it is loose.
- Clean with a brush in case of deposited foreign
matter adhesion

- HIC board short circuit check
- Visual check of dirt adhesion to the board, etc.

Tester
Visual inspection
Visual inspection

- Should be of a specified resistance value
- There should be no deposited foreign matter
- There should be no abnormal display

- Replace it if it is outside the specified resistance value
- Clean with a brush in case of deposited foreign
matter adhesion
- Replace or correct the part

- Self-diagnosis mode, appearance check
- Open, short circuit, earth, appearance check

Tester, visual
inspection

- Should be of a specified resistance value
- There should be no cracking or discoloration

- Replace it in case of disconnection and short
circuit

- Operation, appearance check

Visual inspection

- There should be no deformation

- Replace it in case of malfunction, deformation, and
discoloration

- Rough contact surface

Visual inspection

- It should operate as prescribed, there should be no
deformation
- There should be no deformation or discoloration

- Output voltage measurement

Tester

- Output voltage should be within a specified value

- Replace it if there is voltage abnormality

- Insulation resistance, abnormal sound generation

500 V mega, audible
inspection

- The resistance value should be 1 M or more,
there should be no abnormal sound

- Replace it if the resistance value is 1 M or less
- Replace it in case of fan lock

- Appearance check

Visual inspection

- There should be no deformation or discoloration

- Replace it when it is shutdown

Auxiliary relay, etc.
Switching power source
transformer

Preventive Maintenance*
Criteria

Note 3)

Every year
Before
the airconditioning
season

Remarks
10 11 12 13 14 15
Consumable
components

25,000 Hr



10 years



25,000 Hr



25,000 Hr



5 years



25,000 Hr



10 years



20,000 Hr
10 years

Consumable
components




Consumable
components

illustrates the estimated timing when the wear-out
failure starts and how the failure rate increases as the time passes.

AIR-CONDITIONING & REFRIGERATION DIVISION
3-1, Asahi, Nishibiwajima-cho, Kiyosu, Aichi, 452-8561, Japan
http://www.mhi.co.jp

MITSUBISHI HEAVY INDUSTRIES AIR-CONDITIONING EUROPE, LTD.
7 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AX, United Kingdom
Tel : +44-20-7025-2750
Fax : +44-20-7025-2751
http ://www.mhiae.com

MITSUBISHI HEAVY INDUSTRIES AIR-CONDITIONERS AUSTRALIA, PTY. LTD.
9C Commercial Road Kingsgrove NSW 2208 PO BOX 318 Kingsgrove NSW 1480
Tel : +61-2-8571-7977
Fax : +61-2-8571-7992
http ://www.mhiaa.com.au

MITSUBISHI HEAVY INDUSTRIES - MAHAJAK AIR CONDITIONERS CO., LTD.
220 Soi Chalongkrung 31, Kwang Lamplatiew, Khet Lad Krabang, Bangkok 10520, Thailand
Tel : +66-2-326-0401
Fax : +66-2-326-0419
http ://www.maco.co.th/

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