Mitsubishi Heavy Industries RCN-TC-24W-ER User manual

USER’S MANUAL
MITSUBISHI WIRELESS KIT
USER’S MANUAL
ENGLISH
MANUEL DE L’UTILISATEUR
ANWENDERHANDBUCH
DEUTSCH
ISTRUZIONI PER L’USO
ITALIANO
MANUAL DEL PROPIETARIO
ESPAÑOL
GEBRUIKERSHANDLEIDING
NEDERLANDS
ОΔНГІЕΣ ХРНΣНΣ
MANUAL DO UTILIZADOR
PORTUGUÊS
ЕΛΛΗNIKA
РУССКИЙ
FRANÇAIS
РУКОВОДСТВО ПО ЗКСПЛУАТАЦИИ
TÜRKÇE
KULLANIM KILAVUZU
This air conditioner complies with EMC Directive 89/336/EEC,
92/31/EEC, 93/68/EEC, LV Directive 2006/95/EC.
CE marking is applicable to the area of 50 Hz power supply.
Ce climatiseur est conforme a
`la Directive EMC: 89/336/EEC,
92/31/EEC, 93/68/EEC, LV Directive 2006/95/EC.
La marque CE s’applique aux régions alimentées en courant
de 50 Hz.
Dieses Kimagera
¨t erfu ¨llt die EMC Direktiven 89/336/EEC,
92/31/EEC, 93/68/EEC, LV Direktiven 2006/95/EC.
Die CE-Marke gilt für Bereiche mit einer Netzstromversorgung
von 50 Hz.
Questo condizionatore d’aria e
`conforme alla Direttiva EMC:
89/336/EEC, 92/31/EEC, 93/68/EEC, LV Direttiva 2006/95/
EC.
Il marchio CE è applicabile alla fascia di alimentazione 50 Hz.
Deze airconditioner voldoet aan EMC Directive 89/336/EEC,
92/31/EEC, 93/68/EEC, LV Directive 2006/95/EC.
CE-markering is van toepassing op het gebied met een net-
stroom van 50 Hz.
Este acondicionador de aire cumple con la directiva EMC:
89/336/EEC, 92/31/EEC, 93/68/EEC, 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 89/336/CEE, 92/31/CEE, 93/68/CEE, a Directiva
LV 2006/95/EC.
A marca CE aplica-se à zona de fornecimento de energia
a 50 Hz.
Аυτό το κλιματιοτικό είναι σύμφωνο με τις προδιαγραφές των
Оδηγιών EMC 89/336, 92/31 και 93-68 της EОK και της Оδηγίας
LV 2006/95/EC.
Tο οήμα CE ισχύει μόνον σε περιοχές όπου η τροφοδοσία είναι
50 Hz.
PJZ012A055
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- 1-
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. Apart from the
remote controller operation, be sure to read the instruction manual enclosed with the indoor unit.
TABLE OF CONTENTS
SAFETY PRECAUTIONS ................................................................................... 2
INDICATION BOARD ......................................................................................... 4
BACK UP BUTTON ............................................................................................ 4
NAMES AND FUNCTIONS OF REMOTE CONTROLLER BUTTON ................5
HOW TO OPERATE............................................................................................ 6
CURRENT TIME SETTING PROCEDURE ........................................................ 6
ON - TIMER OPERATION ................................................................................. 7
OFF - TIMER OPERATION ............................................................................... 7
PROGRAM TIMER OPERATION ....................................................................... 7
HOW TO ADJUST THE LOUVER ...................................................................... 8
FOR COMFORTABLE USE ................................................................................ 8
WHEN A RED INDICATION LAMP IS LIT .......................................................... 9
PREPARATION OF HEATING.......................................................................... 10
OPERATION RANGE ....................................................................................... 10
ENGLISH
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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 long-term 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.
SAFETY PRECAUTIONS
Please read these “SAFETY PRECAUTIONS” before
starting to use this product and use the product
appropriately according to the instructions.
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 sericus 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.
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”.
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.
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 around 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
Do not expose yourself directly to cooled air 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.
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- 3-
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.
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.
PRECAUTIONS FOR RELOCATION 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.
Before repairing or checking indoor unit, be 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.
PRECAUTIONS FOR WASTE DISPOSAL
Your Air Conditioning product may be marked with this symbol. It means that waste electrical and electronic
equipment (WEEE as in directive 2002/96/EC) 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.
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CHECK MODE ON/
OFF
CHECK
FILTER
CHECK TIMER RUN/ CHECK
- 4-
FILTER CHECK LAMP (RED)
When this lamp is blinked. clean the filter. (Refer to Page 9.)
REMOTE CONTROLLER SIGNAL RECEIVING SECTION
Receives a signal from the remote controller.
BACK UP BUTTON
zWhen the batteries are exhausted or if the remote controller is missing or defective, this button can be used to start or stop
the air conditioner in the makeshift mode.
CHECK MODE ON/
OFF
CHECK
FILTER
CHECK TIMER RUN/ CHECK
Back-up button
INDICATION BOARD
CHECK MODE INDICATOR
When an irregularity occurs, the indicator indicates the status of malfunction by symbol.
(Refer to Page 9.)
BACK UP BUTTON
When the remote controller is missing or defective, this button
can start and stop the air conditioner. (Refer to bellow.)
RUN/CHECK LAMP
The lamp blinks are indicated in 3 patterns as follows.
zLit up in green : During operation
zBlinked in green : "PREPARATION OF HEATING"
(during heating mode) (Refer to Page 10.)
zBlinked in red : An irregularity occurs in the air
conditioner. (Refer to Page 9.)
Press the back-up button
The air conditioner starts. Set items are as follows.
Operation mode With auto mode: auto cooling
Without auto mode: cooling
Set temperature 23°C
Fan speed HI
Air flow direction Horizontal
Timer Invalid

By pressing the switch once again, the air conditioner stops
TIMER LAMP (GREEN)
This lamp is lit during the timer operation.
These lamps blink when
the signal is received from
the remote controller.
Each lamp blinks two times
in the order from TIMER to
RUN/CHECK (green) for
receiving sign.
CHECK SWITCH
This switch is used for maintenance service.
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- 5-
WIRELESS REMOTE CONTROLLER
• All displays are described in the liquid crystal display for explanation
NAMES AND FUNCTIONS OF REMOTE CONTROLLER BUTTON
OPERATION MODE display
Indicates selected operation with .
FAN SPEED button
Every time this button is pressed, the mode is switched
as below.
HI MED LO
ROOM TEMP display
Indicates set temperature.
FILTER display
Indicates for two seconds when FILTER
button is pressed.
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 or button.
Sets time when setting the time.
ACL switch
Used to reset the microcomputer.
FAN SPEED display
Indicates the selected air flow volume.
FILTER button
ON/OFF button
When this is pressed once, the AIR CON starts to
operate and when this is pressed once again, it stops
operating.
TIMER CANCEL button
Used to cancel the TIMER SETTINGS.
Transmitter
Sends signal to the air conditioner.
Used to reset (turn off) the filter sign.
Press the button only after completing the filter cleaning.
Operation section Display section
7
7
7
7
6
8
7
7
8
If the display of remote controller has troubles, press ACL switch.
NOTICE
WIRELESS REMOTE CONTROLLER HANDLING PROCEDURE
REPLACING THE BATTERIES
If the following occurs, the batteries are exhausted. Replace with new ones.
• When the signal is transmitted, the receiver does not display reception.
• The display fades away or does not show anything.
1Pull out the cover.
2Replace the old
batteries with
new ones.
(R03×2 )
3 Close cover.
4Adjust the current time.
See page 6

When any error occurs on the
display,
Press
ACL
switch with
a ballpoint
etc.
NOTICE
If the remote controller 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.
Pay attention
to the and
marks
How to set Radio Interference
Prevention Setting
It is possible to sent two way. Press
ACL switch with AIR FLOW button
kept pressing or Insert the batterles
with AIR FLOW button kept
pressing.
ATTENTION
• Do not use old and new batteries
mixed.
• Re move the ba t ter ies when t he
remote controller 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.)
• T h e r e c o m men d a b l e e f f e c t i v e
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 6. (The figure is while operation, and
only the current time is displayed while stopping)
SETTING CHANGE OF AUTO MODE OPERATION
Auto mode operation of the KX (except KXR) cannot
be selected. For these models, set the remote
controller to disable the auto mode operation.
While pressing the
MODE
button and then press
the
ACL
switch, or while pressing the
MODE
button and then insert the batteries to the remote
controller, then the auto mode is invalid.
ATTENTION
When the batteries are removed, the system is
returned to initial setting (auto mode is valid). In
case that removing the batteries in the remote
controller, perform the above operation once again.
HOW TO OPERATE
When you press each button of wireless remote
controller, directing properly to the receiver, the signal
is transmitted. If the air conditioner receives the signal
correctly, the light of operation indicator will flash.
ATTENTION
The operation of remote controller must
be performed slowly and steadily.
ABOUT REMOTE CONTROLLER HOLDER
The remote controller can be mounted on the wall
or pillar with the remote controller holder.
Slide from the upper part of the holder to place or
take out the remote controller.
ATTENTION
Do not place the remote controller to
the following places.
• T
he 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.

If the receiver 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.

Do not place anything between the remote
controller and the unit.

Do not operate the remote controller for other
electric appliances which can be operated with
a remote controller.

Handle it with utmost attention.

Even if the remote controller is not found or
damaged, you can operate the air conditioner with
itself. See “Backup button” on page 4.
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- 6-
HOW TO OPERATE
• Turn on the power supply of both indoor/outdoor units for six hours before starting the unit to protect the
units. (The crankcase is conducted and the compressor is heated) Do not turn off the power supply. (The
crankcase heater is conducted while the compressor is stopped, preventing failure of the compressor due to
accumulation of liquid refrigerant by keeping the compressor warm.)
• The operation of remote controller must be performed slowly and steadily.
ATTENTION
4
1
5
3
2
AUTO
COOL
HEAT
DRY
FAN

Guideline of room temperature setting
COOL............26 to 28°C
DRY ..............21 to 24°C
HEAT ............ 22 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 controller.
OPERATION
1Press button.
The operation display light (Green) turns on, and the operation starts.
The setting status is displayed on the liquid crystal area on the remote
controller.
2Press 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.
(AUTO) (COOL) (HEAT)
(FAN) (DRY)
3Press TEMP button.
Set the room temperature by pressing or bbutton.
4Press FAN SPEED button.
HI MED LO FAN SPEED can be changed in order.
5Press AIR FLOW button.
Effective AIR FLOW direction see page 8
AUTO mode operation ...............Intermediate
Cooling, dehumidifying mode....Horizontal
Heating mode.............................Downwards
Stop Press button
CURRENT TIME SETTING PROCEDURE
The timer is set based on the current time. Adjust the current time correctly at first of all.
[EXAMPLE] AM (morning) 8:00 setting
1Press TIME SET UP switch.
Press it with the tip of ballpoint etc. The time display blinks and can be
set to the current time.
2Press or button to adjust to AM 8:00.
Morning : AM Afternoon : PM
The displayed time changes by 1 minutes when pressing the button.
• If or button is pressed during the blinking, fast-forward or fast-
backward can be done.
NOTICE
• In case the buttons are not pressed for 60 seconds, the displayed time is
set as current time without step 3.
3Press TIME SET UP switch.
The display changes from blinking to steady lighting and the setting is
completed.
1·3
2
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- 7-
ON - TIMER OPERATION
Operation is started at the setting time. [EXAMPLE] If you would like to start the operation at AM 8:00

In case the ON TIMER is set while the air
conditioner is in operation, it will be stopped
and ready for restart at the setting time.
1·3
2
1Press ON TIMER button.
ON TIMER display blinks.
2Press or button to adjust to AM 8:00.
Displayed time will be changed by 10 minutes by pressing the buttons.
3Press ON TIMER button.
• ON TIMER display changes from blinking to steady lighting and
the setting is completed.
(Press within 60 seconds)
TIMER display lamp of the receiver is lit.
• At AM 8:00, TIMER display lamp turns off and the air conditioner will
start operating.
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.
Time change
Press ON TIMER button to set again.
OFF - TIMER OPERATION
Operation is stopped at the setting time. [EXAMPLE] If you would like to stop the operation at PM 9:00
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.
Time change
Press OFF TIMER button to set again.
1Press 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.
2Press OFF TIMER button.
OFF TIMER display blinks.
3Press or button to adjust to PM 9:00.
Displayed time will be changed by 10 minutes by pressing the buttons.
4Press OFF timer button.
• OFF TIMER display changes from blinking to steady lighting and
the setting is completed. (Press within 60 seconds)
TIMER display lamp of the receiver is lit.
• At PM 9:00, TIMER display lamp turns off and the air conditioner will
stops operating.
2·4
3
1
PROGRAM TIMER OPERATION
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.
Cancellation
• Press CANCEL button to turn off the PROGRAM timer
display and timer is canceled. (Operation condition is
kept as before the button is pressed.)
• If ON/OFF button is pressed during TIMER operation,
TIMER display turns off and the TIMER is canceled. The
air conditioner stops operating.
1 Set ON TIMER.
Press ON TIMER button and set the time with or button.
Press ON TIMER button again.
2 Set OFF TIMER.
Press OFF TIMER button and set the time with or button.
Press OFF TIMER button again.
Both ON TIMER and OFF TIMER are displayed. The direction of arrow
mark changes depending on the status of operation.
(stop) (operating)

21
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.
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- 8-
HOW TO ADJUST THE LOUVER
UP AND DOWN ADJUSTING
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.
NOTICE
The actual movement of swing louver and that of display are not
synchronized but this is not a failure.
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.
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)
The swing louver movement during heat preparation
When “heat preparation” is displayed, the position of the swing louver sets horizontal
automatically. (The display of remote controller keeps the set position)
When heat preparation ends and normal operation starts, the position of the swing louver
returns to the set position.
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)
continuous movement of display
Recommended air frow direction
position (when fixed)
A
B
C
D
COOL
DRY
AUTO
HEAT
FOR COMFORTABLE USE
Clean the filter frequently
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.
The filter should be cleaned
when the “Filter cleaning”
message is displayed, and at
the end of cooling and heating
seasons.
Block direct sunlight and avoid draft
Block direct sunlight with blinds or 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 strike during a
thunderstorm.
Lightning strike may lead to the failure of air-conditioning
system.
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WHEN A RED INDICATION LAMP IS LIT
WHEN THE RUN/CHECK LAMP (RED) IS BLINKED
An irregularity has occurred in the air conditioner.
• When the RUN/CHECK lamp starts blinking in red, the air conditioner
stops.
• Address No. and error code are displayed on the check mode indicator.
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.
NOTICE
The outside unit No. is not displayed.
Address No. Error code
CHECK MODE
WHEN THE FILTER CHECK LAMP (RED) IS LIT
Clean the filter.
• When cumulative running time reaches 120 hours, long flashing light (light
for 2 seconds, wink out for 1 second) is shed from the filter check lamp
(red).
• After cleaning of filter, press the FILTER button on the remote controller to
turn off the filter cleaning sign. (Press the button for one second or more)
NOTICE
The cumulative running time for filter sign can be changed.
Consult your dealer for more information.
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PREPARATION OF HEATING
CASES WHEN THE RUN/CHECK LAMP (GREEN) IS BLINKED (PREPARATION OF HEATING)
PREPARATION OF HEATING is displayed in the following cases.
• At Starting Heating Operation
In order to avoid 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.
HEATING OPERATION
• Heat pump type
Heat pump type heating is the heating mechanism in which the refrigerant takes in outer temperature to supply heat into the
room.
• 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 pump 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.
OPERATION RANGE
Please use the system in the following operation range. If the system is operated outside this range, the
protection controls may be activated to avoid malfunction.
ATTENTION
Room temperature Outside air temperature Indoor humidity
Cooling
operation
Dry operation
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.
Heating
operation 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.
Operation Condition
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AIR-CONDITIONING & REFRIGERATION SYSTEMS HEADQUARTERS
3-1, Asahi, Nishibiwajima-cho, Kiyosu, Aichi, 452-8561, Japan
MITSUBISHI HEAVY INDUSTRIES EUROPE, LTD.
AIR-CONDITIONER DIVISION
3rd Floor Thavies Inn House 3-4 Holborn Circus London EC1N 2HA, ENGLAND
Phone: [phone]
Fax: [phone]
MITSUBISHI HEAVY INDUSTRIES AUSTRALIA, PTY.LTD.
81 Railway Street, Rockdale, NSW 2216, Australia
Phone: [phone]
Fax: [phone]
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