Mitsubishi DXK09Z7-W Manual
Mitsubishi
Aircondition
DXK09Z7-W
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RLH012A002C
DXK05Z7-W
DXK07Z7-W
DXK09Z7-W
DXK12Z7-W
DXK18Z7-W
ORIGINAL INSTRUCTIONS
MANUEL DE L’UTILISATEUR
CLIMATISEUR
USER’S MANUAL
AIR-CONDITIONER
ANWENDERHANDBUCH
KLIMAGERA
¨
T
ISTRUZIONI PER L’USO
CONDIZIONATORE D’ARIA
MANUAL DEL PROPIETARIO
ACONDICIONADOR DE AIRE
GEBRUIKERSHANDLEIDING
AIRCONDITIONING
MANUAL DO UTILIZADOR
APARELHO DE AR CONDICIONADO
ɊɍɄɈȼɈȾɋɌȼɈ ɉɈ ɗɄɋɉɅɍȺɌȺɐɂɂ
ɄɈɇȾɂɐɂɈɇȿɊ ȼɈɁȾɍɏȺ
ENGLISH
DEUTSCH
ITALIANO
ESPAN
˜
OL
NEDERLANDS
PORTUGUÊS
ɊɍɋɋɄɂɃ
FRANÇAIS
ΕΛΛΗΝΙΚΑ
KULLANIM KILAVUZU
ΟΔΗΓΙΕΣ ΧΡΗΣΗΣ
ΚΛΙΜΑΤΙΣΤΙΚΟ
TÜRKÇE
USER’S MANUAL
AIR-CONDITIONER
202201
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EN-1
Thank you for purchasing a MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
Air-Conditioner. To get the best long-lasting performance, please read and follow this user’s manual
carefully before using your air-conditioner. After reading, please store the manual in a safe place
and refer to it for operational questions or in the event of any irregularities.
ENGLISH
Your air-conditioner is 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-conditioner 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.
This symbol printed on the batteries attached to your air-conditioner is information
for end-users according to the EU directive 2006/66/EC article 20 annex II.
Batteries, at their end-of-life, should be disposed of separately from general
household waste. If a chemical symbol is printed beneath the symbol
shown above, this chemical symbol means that the batteries contain a
heavy metal at a certain concentration. This will be indicated as follows:
Hg:mercury(0.0005 %), Cd:cadmium(0.002 %), Pb:lead(0.004 %)
Please, dispose of batteries correctly at your local community waste
collection or the recycling center.
The emission sound pressure level from each Indoor and Outdoor unit is under 70 dB(A).
contents
Safety precautions ..........................................2
Tips for effective operation .............................7
Name of each part and its function .................8
Remote control .............................................10
Operation failure with the remote control ......10
Temporary run operation ..............................10
Installing two air-conditioners
in the same room ..........................................11
Child lock ......................................................11
Airflow range setting .....................................12
Operation and display section
for remote control .........................................13
Current time setting .....................................14
AUTO mode operation ..................................14
Temperature adjustment during AUTO mode
...15
FAN SPEED .................................................15
COOL/HEAT/DRY/FAN mode operation .......16
Air-conditioner operation temperature range
....16
Characteristics of HEAT mode operation ......16
Airflow direction adjustment ..........................17
3D AUTO operation ......................................17
SLEEP TIMER operation ..............................18
OFF TIMER operation ..................................18
ON TIMER operation ....................................19
SLEEP TIMER + ON TIMER operation ........19
PROGRAM TIMER operation ......................20
ALLERGEN CLEAR operation .....................20
HIGH POWER/ECONOMY operation...........21
NIGHT SETBACK operation .........................22
SILENT operation .........................................22
MENU function
Wireless LAN connection setting ...............23
Backlight setting .........................................23
Display brightness adjustment ...................24
SELF CLEAN operation .............................24
Fan control in heating thermo - OFF ..........25
SILENT mode setting .................................26
Wireless LAN communication setting ........26
Initialization of wireless LAN setting .............27
PRESET operation .......................................28
Maintenance .................................................29
Proper installation .........................................31
Troubleshooting ...........................................31
Notice ...........................................................31
Contact your dealer ......................................33
Auto restart function .....................................33
Self diagnosis function ..................................34
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EN-2
Safety precautions
x
Before starting to use the system, please read these “Safety precautions” carefully to ensure
proper operation of the system.
x
When you have read this user’s manual, please keep it safely. If someone else takes over as
user, make sure that the manual is also passed on to the new user.
WARNING
Indicates a potentially hazardous situation which, if not avoided, can
result in serious consequences such as death or severe injury.
CAUTION
Indicates a potentially hazardous situation which, if not avoided, can
result in personal injury or property damage.
Please observe these precautions with great care, since they are essential to your safety.
x
Symbols which appear frequently in the text have the following meaning:
Strictly prohibited
Observe instructions
with great care
Provide proper
earthing
The user’s manual should be read
carefully.
A service personnel should be
handing this equipment with
reference to the installation
manual.
There is information included
in the user’s manual and/or
installation manual.
❚ Following precaution is for R32.
This equipment uses À ammable refrigerants. If the refrigerant is leaked,
together with an external ignition source, there is a possibility of ignition.
WARNING
x
Strict compliance of the domestic laws must
be observed when disposing the appliance.
x
Do not use means to accelerate the
defrosting process or to clean, other than
those recommended by the manufacturer.
x
The appliance shall be stored in a room
without continuously operating ignition
sources (for example: open À ames, an
operating gas appliance or an operating
electric heater).
x
Do not pierce or burn.
x
Be aware that refrigerants may not contain an
odour.
x
The appliance shall be stored in a well-
ventilated area where the room size
corresponds to the room area as speci¿ ed for
operation.
x
The staႇ in servicing operations must hold
the national quali¿ cation or other relevant
quali¿ cations.
x
The indoor unit shall be stored in a room that
has a minimum area of 4.0 m
2
.*
*
This value is for split system. In the case of
multi system, see the installation sheet of
outdoor unit.
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EN-3
❚ Safety precautions
❚ INSTALLATION PRECAUTIONS
WARNING
x
The system is for domestic and residential use.
If used in severe environments, such as an engineering workplace, the equipment may
function poorly.
x
The system must be installed by your dealer or a qualified installer.
It is not advisable to install the system by yourself, as faulty handling may cause
leakage of water, electric shock or fire.
CAUTION
x
Do not install it where flammable gas may leak.
Gas leaks may cause fire.
x
Make sure that an earth leakage
breaker is installed.
If you do not install an earth leakage
breaker, you may get an electric shock.
x
Make sure to install the drain hose
properly so that all the water is drained
out.
Improper installation may lead to water
drop in the room resulting in wet furniture.
x
Make sure that the system has been properly earthed.
Earth wire should never be connected to a gas pipe, water pipe, lightning conductor
or telephone earth wire. Improper installation of the earth wire may cause an electric
shock.
This Product contains fluorinated greenhouse gases.
Do not vent R32 into the atmosphere: R32 is a fluorinated greenhouse gas with a Global Warming
Potential (GWP) = 675.
Refer to a label on outdoor unit for the weight of fluorinated greenhouse gas and CO
2
equivalent.
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EN-4
❚ Safety precautions
❚ OPERATION PRECAUTIONS
WARNING
x
Children shall not play with the
air-conditioner.
x
Do not expose yourself to the cooling
air for a long period.
This could affect your physical condition
and cause health problems.
x
Cleaning and user maintenance shall
not be made by children without
supervision.
x
Do not insert anything into the air
outlet.
This may cause injury, as the internal fan
rotates at high speed.
x
This air-conditioner can be used by children aged from 8 years and above
and people 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 air-conditioner in a safe way and understand the hazards
involved.
x
Store the remote control out of reach of children.
Failure to observe this may result in the batteries being swallowed or other accidents.
CAUTION
x
Only use approved fuses.
Use of steel or copper wire instead of an
approved fuse is strictly prohibited, as it
may cause a breakdown or fire.
x
Do not handle the switches with wet
hands.
This may cause an electric shock.
x
Do not swing from the indoor unit.
If the indoor unit falls down, you may get
injured.
x
Do not place a flammable insecticide
or paint spray near the air-conditioner,
nor spray it directly on the system.
This may result in a fire.
x
Do not expose any combustion
appliance directly to the air stream of
the air-conditioner.
The combustion appliance may
malfunction.
x
Do not wash the air-conditioner with
water.
This could cause an electric shock.
Using a high pressure washer may cause
damage to the aluminum fins, resulting in
performance decrement.
x
Do not use for preservation of food,
plants or animals, precision devices or
works of art.
The system is only intended for use in
ordinary domestic rooms. Any other use
of the system may damage the quality of
food, etc.
x
Do not place anything containing
water, like vases, on top of the unit.
Water entering the unit could damage the
insulation and therefore cause an electric
shock.
x
Do not install the air-conditioner where
the airflow direction is aimed directly at
plants or animals.
This will damage their health.
x
Do not step/sit on the unit nor put
anything on it.
If the unit falls down or things drop from it,
people could get hurt.
x
After a long period of use, check the
unit’s support structure regularly.
If you do not repair any damage right
away, the unit may fall down and cause
personal injury.
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EN-5
❚ Safety precautions
CAUTION
x
Do not touch the aluminum fins on the
heat exchanger.
It may result in injury.
x
Do not place household electrical
appliances or household items under-
neath the indoor or outdoor units.
Condensation falling from the unit may
stain objects and cause accidents or
electrical shock.
x
Do not operate the system without the
air filter.
It can cause malfunction of the system
due to clogging of the heat exchanger.
x
Do not shut off the power source
immediately after stopping the
operation.
Wait at least 5 minutes, otherwise there is
a risk of water leakage or breakdown.
x
Do not control the system with main
power switch.
It can cause fire or water leakage. In
addition, the fan can start unexpectedly,
which can cause personal injury.
x
Do not pour liquid into the unit and do
not put water container on the unit.
Water entering the unit could damage the
insulation and therefore cause an electric
shock.
x
If you operate air-conditioner together
with a combustion appliance, you must
regularly ventilate the indoor air.
Insufficient ventilation may cause
accidents due to oxygen deficiency.
x
Stand firmly on a stepladder or other
stable object when removing the inlet
panel and filters.
Failure to observe this may result in injury
through insecure objects toppling over.
x
When you clean air-conditioner, stop
the unit and turn off the power source.
Never open the panel while the internal
fan is rotating.
x
Do not place objects near the outdoor
unit or allow leaves to gather around
the unit.
If there are objects or leaves around the
outdoor unit, small animals may enter
unit and contact electrical parts and may
cause a break-down, smoke or fire.
x
Contact your dealer to clean inside the
indoor unit, do not attempt to do by
yourself.
The use of a non-approved detergent or
improper washing method may damage
the unit’s plastic components and cause
leaks. Damage, smoke, or fire may also
happen if the detergent comes in contact
with electrical parts or the unit’s motor.
x
Stop the unit and turn off the power if
you hear thunder or there is a danger
of lightning.
It may damage the unit.
x
If the power cable becomes damaged,
contact your dealer or a qualified
installer.
If it is not replaced, it may cause a
breakdown or fire.
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EN-6
❚ Safety precautions
❚ WIRELESS LAN PRECAUTIONS
WARNING
x
Do not turn ON the wireless LAN communication near automatic control
equipment such as an automatic door or fire-alarm device.
It may cause an accident due to malfunction of equipment.
x
Do not turn ON the wireless LAN communication in a hospital, etc. where the use
of wireless devices is prohibited.
It may cause malfunction of medical equipment due to a wireless device.
x
Do not turn ON the wireless LAN communication near a person with a cardiac
pacemaker or implanted defibrillator.
It may cause malfunction of a medical device.
CAUTION
x
Do not turn ON the wireless LAN communication near another wireless device,
microwave, cordless phone, fax machine, etc.
It may cause malfunction of wireless device.
x
When operating the air-conditioner from outdoors, fully confirm the statuses of
the unit, its periphery, and persons in the room beforehand.
It may cause damage to your health, contamination of household goods, or negative
effects on animals.
x
When someone is in the room, notify him/her that the air-conditioner is to be
operated from outdoors.
It may cause damage to your health.
x
Check the operational status periodically.
Sudden indoor/outdoor temperature changes may disturb your health.
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EN-7
❚ Safety precautions
❚ PRECAUTIONS FOR RELOCATION OR REPAIRS
WARNING
x
Do not perform any repairs or modifications by yourself. Consult the dealer if the
unit requires repair.
If you repair or modify the unit, it can cause water leaks, electric shocks or fire.
x
Consult your dealer for repairs.
Wrong repairs could cause an electric
shock, fire, etc.
x
In case the air-conditioner is relocated
elsewhere, contact your dealer or a
qualified installer.
Faulty installation may cause water
leakage, electric shock, fire, etc.
x
If you notice anything abnormal (smell
of burning, etc.), stop the system, turn
off the power source and consult your
dealer.
Continued use of the system in
abnormal circumstances can result in
malfunctioning, electric shock, fire, etc.
x
If the air-conditioner fails to cool
or warm the room, it may have a
refrigerant leakage. Contact your
dealer.
If refrigerant needs to be added,
check with your dealer for proper
instructions.
If the refrigerant comes in contact with the
bare skin, it may cause cold injury.
If the refrigerant gas is inhaled
excessively, it may cause deterioration
of nerve function like dizziness and
headache, or deterioration of heart
function like irregular heartbeat and heart
palpitation temporarily. If refrigerant
unexpectedly leaks from the unit onto
a fan heater, stove, hotplate or other
heat source, harmful gases could be
generated.
Tips for effective operation
■ Please observe the following for the most economic and comfortable use of your unit.
x Set a suitable room temperature.
Excessively high or low temperatures are not good for your health and waste of electricity.
x Clean the filters frequently.
Clogged filters may block the airflow and cause less efficient operation.
Page 29
x Avoid direct sunlight and draught.
Cut out direct sunlight by drawing the curtains or blinds when cooling. Keep windows and doors shut, except when ventilating.
x Adjust the airflow direction properly.
Adjust the up/down and left/right airflow to ensure a steady room temperature.
x Operate the unit only when needed.
Use the timer properly to operate the unit only when needed.
x Keep heat source away when cooling.
Keep heat sources out of the room as much as possible.
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EN-8
Name of each part and its function
Air inlet panel
Air inlet
Air filters
Air outlet
Room
temperature
sensor
Heat exchanger
(Aluminum fin)
Heat exchanger
(Aluminum fin)
Fan
x Inside of
the unit
Louvers
(Vertical blades)
x Left / right airflow
direction adjustment
Flaps
(Horizontal blades)
x Up / down airflow
direction adjustment
Page 29
Page 29
OUTDOOR UNIT
INDOOR UNIT
Air-cleaning filter
Page 30
x Allergen clear filter
(Light orange)
Air inlet
(back and side)
Fan
x Inside of the unit
Refrigerant pipe
and electric wire
Drain hose
Drain hole
IT MIGHT CAUSE INJURY.
DO NOT STEP ON TOP OF THIS UNIT.
WARNING
DO NOT INSERT ANYTHING
INTO THE AIR OUTLET.
IT MIGHT CAUSE INJURY.
DO NOT TOUCH THE
ALUMINUM FINS.
IT MIGHT CAUSE INJURY.
SHARP EDGE OF FINSMOVING FAN BLADES
CAUTION
Don't touch
the terminal
Don't touch
refrigerant
pipings and
connections.
block.
Model name
Unit display
section
Page 9
DO NOT INSERT ANYTHING
INTO THE AIR OUTLET
WARNING
This equipment uses
flammable refrigerant.
Page 2
Model name and refrigerant type
This equipment
uses flammable
refrigerant.
Page 2
Do not wash the inside of the air
conditioner.Water leakage and
permanent damage may result.
Electrical hazard exists.
Caution,high voltage,shut off power
before servicing fan and fan motor.
WARNING
By the following operation,forced
Reconnect power supply. Hold the
ON/OFF switch down for 5 seconds
cooling operation is possible.
until hear a beep.
Isolate the power supply.
QR code
• You can check
the SSID and
KEY (Password).
Air outlet
* The appearance varies by models
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EN-9
Unit display section
Name of each part and its function
x Buzzer sound for remote control
Buzzer sound (PipPip) is produced when
preset temperature is set to 24 °C or,
AUTO operation mode is selected or,
automatic airflow is selected (except DRY and FAN mode operation).
Buzzer sound (Pip) is produced when
air-conditioner is turned off by pressing ON/OFF button (except SELF CLEAN operation).
Buzzer sound (Peep Pip) is produced when
Wireless LAN connection setting,
Wireless LAN communication setting.
x
Backlight for remote control
Press the button of the remote control lights the backlight.
The backlight turns off automatically if there is no operation for certain period of time.
The backlight can be turned on/off.
page 23
NOTE
Preset temperature
Airflow setting
Remote control Remote control
holder
Allergen clear filter
(Light orange)
Battery × 2
(R03 (AAA, Micro))
Wood screw × 2
(for remote control holder mounting)
Accessories
Pip Pip Pip Pip Pip
Pip
Pip Pip Pip Pip
Pip Pip
RUN light (green)
x Illuminates during operation.
x
Blinks slowly when SELF CLEAN operation
(3 seconds ON, 1 second OFF).
x Blinks when airflow is stopped to
prevent blowing out of cold air in
heating operation. (1.5 seconds ON,
0.5 seconds OFF)
Page 24
Page 31
This button can be used for turning on/off
the unit when a remote control is not available.
Page 10
Unit ON/OFF button
TIMER light (yellow)
Illuminates during TIMER operation.
Page 18-20
Remote control signal receiver
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EN-10
Remote control
Setting the batteries
The following cases show exhausted batteries. Replace old batteries with new ones.
x Receiving beep is not emitted when a signal is transmitted.
x Display fades away.
NOTE
x Do not mix old and new batteries, or batteries of different types (manganese/
alkaline).
x Alkaline batteries are recommended.
x Remove the batteries when the remote control is not used for a long period.
x The recommended effective period of a battery conforming to JIS or IEC
should be 6 to 12 months with normal use. If used longer, or when an
unspecified battery is used, liquid may leak from the battery, causing the
remote control to malfunction.
x The recommendable effective period is printed on the battery. This may be
shorter due to manufacturing time to the unit. However, the battery may still
be in working order after expiry of its nominal life.
Remove the cover.
Insert new batteries.
R03 (AAA, Micro) × 2 or
LR03 (AAA, Micro) × 2
Close the cover.
■ When the display shows any abnormal condition, press the ACL switch with the
tip of a ballpoint pen.
1
2
3
Pay attention to
the
and
marks
4
The remote control can be attached to a wall or pillar
by using the remote control holder. Before installing the
remote control, check that the air-conditioner receives
the signals properly.
For installing or removing the remote control, move it up
or down in the holder.
Using the remote control holder
Warning note for remote control
x Are the batteries running down?
“Setting the batteries” above.
Replace the batteries with new ones and retry the
operation.
Operation failure with the remote control
x If the operation fails, operate the unit with temporary run
operation function.
“Temporary run operation” below.
Strictly prohibited
x Do not drop the remote control.
Handle with care.
x
Do not take remote control near
high temperature places, such as an
electric heating carpet or a stove.
x Do not place heavy objects on the
remote control, or step on it.
x Do not put any obstructing
obstacles between the remote
control and the unit.
x Do not spill any liquid on the
remote control.
x Do not leave the remote control
exposed to direct sunlight or other
strong lighting.
Temporary run operation
x The unit ON/OFF button on the unit operates ON/OFF temporarily when the remote control is not used.
Operation program
• OPERATION MODE : AUTO
• FAN SPEED : AUTO
• AIRFLOW : AUTO
x Operation starts by pressing the unit ON/OFF button; it stops if you press
the button again.
x Do not keep pressing the unit ON/OFF button down for 5 seconds or more.
(Pressing it 5 seconds or more sets the forced cooling operation used during servicing or when relocating the air-conditioner.)
NOTE
Press the ACL switch with
the tip of a ballpoint pen.
x Set the current time.
Page 14 Current time
setting Step 2
Contact your dealer to have the remote control checked.
Unit ON/OFF button
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EN-11
Installing two air-conditioners in the same room
■ When two air-conditioners are installed in the same room, use this setting when the two air-conditioners are not operated with one
remote control. Set the remote control and indoor unit.
Remove the cover and take out
batteries.
Disconnect the switching line next to
the battery with wire cutters.
Setting the remote control
1
2
Disconnect
Insert batteries.
Close the cover.
3
Turn off the power source and turn it on after 1 minute.
Point the remote control (that was set according to the
procedure described on the left side) at the indoor unit
and send a signal by pressing the ACL switch on the
remote control.
Check that the reception buzzer sound “peep” is
emitted from the indoor unit.
At completion of the setting, the indoor unit emits a buzzer sound
“peep”. (If no reception sound is emitted, start the setting from the
beginning again.)
Setting an indoor unit
1
2
3
Since the signal is sent in
about 6 seconds after the
ACL switch is pressed,
point the remote control
at the indoor unit for some
time.
Child lock
■ This function locks the remote control operation to prevent an operation error.
1
Press the AIRFLOW L/R (LEFT/RIGHT) button for 3
seconds or more.
is displayed. When Child lock is set, only the ON/OFF button can be
operated.
How to cancel
Turn off the light by pressing the AIRFLOW L/R (LEFT/RIGHT) button for 3
seconds or more.
x While Child lock is set, the settings of operation mode, temperature, fan
speed and airflow direction cannot be changed. To change the settings,
reset Child lock.
NOTE
Reception
peep
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EN-12
Airflow range setting
■ Take the air-conditioner location into account and adjust the left/right airflow range to maximize air-conditioning.
1
If the air-conditioner is running, press the ON/OFF
button to stop.
The airflow range setting cannot be made while the unit is running.
2
Press the AIRFLOW U/D (UP/DOWN) button and the
AIRFLOW L/R (LEFT/RIGHT) button together for
5 seconds or more.
The airflow range setting display illuminates.
3
Setting the airflow range.
Press the AIRFLOW L/R (LEFT/RIGHT) button and adjust to the desired
location.
Each time the AIRFLOW L/R (LEFT/RIGHT) button is pressed, the display is
switched in the order of:
(Center Installation) (Right End Installation) (Left End Installation)
4
Press the ON/OFF button.
The air-conditioner’s airflow range is set.
Press within 60 seconds of setting the airflow range (while the airflow range
setting display illuminates).
The diagram below indicates the airflow ranges corresponding to the air-conditioner’s installation location. Consider your room’s layout
and set the airflow range to maximize air-conditioning.
Air-conditioner installation location and airflow range
Airflow range Airflow range Airflow range
(Left End Installation) (Center Installation) (Right End Installation)
x Once the airflow range setting is configured, it is stored in the air-conditioner even if the power source is turned off. To change the
airflow range setting, set range again with the remote control.
x During the operation, an airflow range setting cannot be set.
x When the air-conditioner is installed at the location within 50 cm from the wall, it is recommended to change the airflow range setting
to “Right End Installation” or “Left End Installation”.
NOTE
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EN-13
The above illustration shows all
controls, but in practice only the
relevant parts are shown.
Operation and display section for remote control
Transmission procedure
When each button on the remote control is
pressed – with the remote control pointing
towards the air-conditioner unit, a signal is
transmitted.
When the air-conditioner receives the signal
correctly, it will beep.
The current time and present
OPERATING MODE are displayed
while the air-conditioner is turned off.
[View with the cover opened]
Display in OFF status
ON/OFF (luminous) button
Press to start operation, press again
to stop.
CANCEL button
This button cancels the ON timer, OFF
timer, and SLEEP operation.
Transmission section
Hi/ECO button
This button changes the HIGH POWER/
ECONOMY operation.
Page 21
AIRFLOW (LEFT/RIGHT)/Child
lock button
This button changes the airflow (left/
right) direction.
Page 17
SLEEP button
This button selects SLEEP operation.
Page 18
AIRFLOW (UP/DOWN) button
This button changes the airflow (up/
down) direction.
Page 17
NIGHT SETBACK button
This button sets NIGHT SETBACK
operation.
Page 22
ACL switch
This switch resets the program to default
state.
Page 10, 14
TIME SET UP switch
This switch is used for setting the time.
Page 14
This button use to set Child lock.
Page 11
TEMP/TIMER button
This button sets the room temperature.
This button is used for setting the current
time and timer function.
OPERATION MODE select button
Each time the button is pressed, the
mode changes.
Page 14,16
SILENT button
This button sets the SILENT operation.
Page 22
ALLERGEN CLEAR button
This button selects ALLERGEN
CLEAR operation.
Page 20
ON TIMER button
This button selects ON TIMER operation.
Page 19
OFF TIMER button
This button selects OFF TIMER
operation.
Page 18
MENU switch
This switch selects the MENU function.
Page 23
LCD screen
Press the button of the remote control
lights the backlight.
The backlight can be turned on/off.
Page 9
Page 23
FAN SPEED/PRESET button
Each time the button is pressed, the fan
speed changes.
This button sets the PRESET operation.
Page 15
Page 28
3D AUTO button
This button sets 3D AUTO operation.
Page 17
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EN-14
AUTO mode operation
■ Automatically selects the operation mode (COOL, HEAT) depending on the room temperature when switched on.
x If you do not want the AUTO mode program, change to COOL, HEAT or FAN
instead of AUTO.
Page 16
x Airflow direction adjustment procedure.
Page 17
To stop: Press the ON/OFF button.
Press the MODE button.
The mode changes whenever the button is pressed.
Set to
.
Press the ON/OFF button.
1
2
Current time setting
■ When inserting the batteries, the current time is automatically set to time setting mode.
13:00 is displayed as the current time. Set the clock to the right time.
2
1
3
Example: Set to 10:30.
Press the TIME SET UP switch.
Press with the tip of a ballpoint pen, etc.
The time display blinks and can be set to the current time.
Press the “ or (TEMP/TIMER)” button.
(Set to 10:30)
Press the ON/OFF button.
The time display changes from blinking to steady lighting and the setting is
complete.
Make sure to press the button within 60 seconds from the last operation in
step 2, otherwise the time will not be set.
x The timer operation works based on the time clock, so set it correctly.
x The remote control data will be reset when the present time is set.
x When the battery of the remote control is replaced or the ACL switch is
pressed, the remote control will be set to the initial state.
x In case air is not blowing out during the operation.
Page 31
NOTE
NOTE
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EN-15
Temperature adjustment during AUTO mode
■ Default preset temperature during AUTO mode is 24 °C for both cooling and heating mode. However, it can be adjusted (Minimum 18 °C,
Maximum 30 °C) using
button or button.
1
Press the TEMP/TIMER button.
■ Each time the button is pressed, the switch over occurs in the following order
18 ĺ 18.5 ĺ ............ 23.5 ĺ 24 ĺ 24.5 ......... ĺ 30.
When 30 is indicated, even if the button is pressed, the indicator does not change.
■ Each time the button is pressed, the switch over occurs in the following order
30 ĺ 29.5 ĺ ............ 24.5 ĺ 24 ĺ 23.5 ......... ĺ 18.
When 18 is indicated, even if the button is pressed, the indicator does not change.
Press the button.
When it is a little cold
Press the button.
When it is a little hot
FAN SPEED
■ The FAN SPEED can be set except for DRY mode.
Press the FAN SPEED button.
Press or button for the preferred fan speed.
1
x When FAN SPEED is changed from Hi to Lo or ULo, the sound of
refrigerant may be heard.
x When COOL mode is used if outside temperatures are low, the FAN
SPEED may change automatically to protect the air-conditioner.
Operation capacity by your choice FAN SPEED
Set automatically by microcomputer AUTO
Silent operation ULo
Energy-saving operation Lo
Standard operation Me
Powerful operation with high capacity Hi
NOTE
AUTO ULo Lo Me Hi
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EN-16
COOL/HEAT/DRY/FAN mode operation
Airflow direction adjustment procedure. Page 17
4
3
To stop: Press the ON/OFF button.
x In case air is not blown out, when starting the heating
operation.
x The operation mode can also be set or changed when the
air-conditioner is not in operation.
NOTE
2
1
Air-conditioner operation temperature range
■ Use within the following operational range. Operating outside of this range may result in the protection devices being activated and
preventing the unit from working.
Characteristics of HEAT mode operation
Mechanism and capacity of HEAT mode operation
x The unit draws heat from the cold outside air, transfers it to indoors and heats the room. As a characteristic of heat pump system, the
heating capacity reduces when the outside air temperature gets colder.
x It may take some time to supply hot air after turning on the air-conditioner.
x If the outside temperature becomes extremely low, it would be better to use an additional source of heating.
Defrosting
If the outside temperature becomes low and humidity is high, the heat exchanger in the outdoor unit may frost over, which prevents efficient heating.
If this happens, the automatic defrost function is activated and the heating operation stops for 5 to 15 minutes during defrosting.
x Both indoor and outdoor fans stop and the RUN light blinks slowly (1.5 seconds ON, 0.5 seconds OFF) during defrosting.
x The outdoor unit may release some steam during defrosting. This is to help the defrosting process and is not a defect.
x The HEAT operation resumes as soon as defrosting has been completed.
Press the FAN SPEED button.
Set the fan speed as preferred.
A fan speed cannot be set under DRY operation.
Page 15
Page 31
COOL HEAT DRY FAN
26 °C - 28 °C 20 °C - 24 °C 24 °C - 26 °C —
Press the MODE button.
Set to a required mode.
(COOL), (HEAT), (DRY), (FAN)
Press the ON/OFF button.
Press the TEMP/TIMER button.
Press or button for the preferred temperature.
Recommendation
COOL mode operation HEAT mode operation
Outside temperature Approximately -15 to 46 °C Approximately -15 to 24 °C
Inside temperature Approximately 18 to 32 °C Approximately 10 to 30 °C
Inside humidity
Below approximately 80 %
The long-term use of the unit with a humidity level
exceeding 80 % may result in condensation forming
on the surface of the indoor unit, leading to water
drops.
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EN-17
Airflow direction adjustment
Memory flap (Flap or louver stopped)
When you press the AIRFLOW (U/D or L/R) button once while the flap or louver is operating, it stops swinging at the position.
Since this angle is memorized in the microcomputer, the flap or louver will automatically be set at this angle when the next
operation is started.
WARNING
x Do not expose directly to airflow from the air-conditioner for a long time.
CAUTION
x When in COOL or DRY operation, do not operate for a long period with the
airflow blowing straight down. Otherwise, condensation may appear on the
outlet grill and drip down.
x Do not try to adjust the flaps and louvers by hand, as the control angle may
change or the flap or louver may not be closed completely.
HEAT
(Horizontal
blowing)
(Slant forward
blowing)
COOL, DRY
x Recommended angle of the flap when
stopping
■
Up/down direction can be adjusted with the AIRFLOW U/D (UP/DOWN) button on the remote control. Every time you press this button,
the mode changes as follows:
Change on AIRFLOW (UP/DOWN) mode.
■ Left/right direction can be adjusted with the AIRFLOW L/R (LEFT/RIGHT) button on the remote control. Every time you press this
button, the mode changes as follows:
Change on AIRFLOW (LEFT/RIGHT) mode.
x When heating operation starts, the flap and louver direction is fixed at the horizontal / center position in order to avoid cold draft. It
returns to the set position when the warm air supply is started.
x The flap and louver direction will be controlled to the horizontal/center position when the room temperature reaches the set
temperature and compressor stops or when defrosting is in operation.
x The airflow direction cannot be set during the period mentioned above. Change the airflow direction settings after the warm air is
supplied and the flap/louver goes to the set position.
(Louver stopped)
(Swing)
NOTE FOR HEATING OPERATION
x The actual position of the flap and louver may differ from the display shown.
(Swing)
(Flap stopped)
NOTE
3D AUTO operation
■ Fan speed and airflow direction are automatically controlled, allowing the entire room to be efficiently air-conditioned.
When the air-conditioner is turned off, start the operation from Step 1. When the air-conditioner is running, start from Step 2.
Press the ON/OFF button.
Press the 3D AUTO button.
Each time the 3D AUTO button is pressed, the display is switched in the
order of:
1
2
(Normal operation)(3D AUTO)
No display
x 3D AUTO operation is canceled when you switch the operation mode.
x If 3D AUTO operation is canceled then the airflow direction changes to that
used before 3D AUTO was set.
x
3D AUTO operation can be set in AUTO, COOL, or HEAT operation mode only.
How to cancel
Press the 3D AUTO button to turn off the 3D AUTO display.
NOTE
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EN-18
SLEEP TIMER operation
■ The unit will stop automatically after the set time lapses.
The set temperature is automatically adjusted according to the lapse time in order to avoid too much cooling or heating. Page 20
How to cancel
Press the CANCEL button to turn off the SLEEP
display.
Changing of set time
Set a new time by pressing SLEEP button.
x SLEEP operation will not function during ALLERGEN CLEAR operation.
x SLEEP TIMER cannot be set simultaneously with OFF TIMER.
NOTE
OFF TIMER operation
■ The unit stops automatically when the set time comes.
When the air-conditioner is turned off, start the operation from Step 1. When the air-conditioner is running, start from Step 2.
Example: You prefer it to stop 22:30.
Press the ON/OFF button.
Press the OFF TIMER button.
OFF TIMER display is blinking.
Press the TEMP/TIMER button.
Every time the button is pressed, the display is switched in the order of:
0:00 0:10 0:20
...
1:00 1:10
(Units of ten minutes)
Every time the
button is pressed, the display is switched in the order of:
0:00 23:50 23:40
...
23:00 22:50
(Units of ten minutes)
Set at 22:30.
3
1
4
Press the OFF TIMER button.
The display changes from blinking to steady lighting and the setting is
complete.
The timer light (yellow) is on.
2
How to cancel
Press the CANCEL button to turn off the timer
display.
x The unit stops at the end of the set period of time.
x Make sure to press the button within 60 seconds from the last operation
in step 3, otherwise the setting is not completed.
x The current time is not displayed during OFF TIMER operation.
x OFF TIMER operation will not function during ALLERGEN CLEAR
operation.
x Different from SLEEP TIMER operation, automatic set temperature
adjustment is not done during OFF TIMER operation.
Changing of set time
Set a new time by using the OFF TIMER button.
NOTE
■
If it is pressed while the unit is off
SLEEP TIMER operation starts with the previous operation settings, and the
air-conditioner is turned off after the set time lapses.
■ If it is pressed while the unit is running
The air-conditioner is turned off after the set time lapses.
Every time the button is pressed, the display changes as follows:
...
(Units of one hour)
No display
(canceled)
Example: You prefer it to stop after 3 hours.
Set to
Press the SLEEP button.
1
The timer light (yellow) is on.
The unit stops after the set time lapses.
RLH012A002C_EN.indd 18 2021/12/13 13:13:09
EN-19
1
2
How to cancel
Press the CANCEL button to turn off the timer
display.
Example: When the preferred room temperature is required at 8:00.
Press the ON TIMER button.
ON TIMER display is blinking.
3
SLEEP TIMER + ON TIMER operation
■ This is the combined timer operation of SLEEP TIMER and ON TIMER.
Example: When it is required to stop after 3 hours and then start operation at 8:00, near the
set temperature.
SLEEP TIMER setting
Set by the procedures on page 18.
Set to
ON TIMER operation setting
Set by the above procedure mentioned in ON TIMER.
Set to
The setting of the lighting of the timer light (yellow) of this unit is complete.
x After the SLEEP TIMER set time has lapsed, the operation stops, and it starts from
5 to 60 minutes before the ON TIMER’s set time.
x The timer light is turned off when ON TIMER set time comes.
Changing of set time
Set a new time by using the SLEEP or ON TIMER
button.
How to cancel
Press the CANCEL button to turn off the timer
display.
Press the TEMP/TIMER button.
Every time the button is pressed, the display is switched in the order of:
0:00 0:10 0:20
...
1:00 1:10
(Units of ten minutes)
Every time the
button is pressed, the display is switched in the order of:
0:00 23:50 23:40
...
23:00 22:50
(Units of ten minutes)
Set at 8:00.
Press the ON TIMER button.
The display changes from blinking to steady lighting and the setting is
complete.
The timer light (yellow) is on.
If ON TIMER setting is performed when air-conditioner is running,
air-conditioner operation will stop.
Changing of set time
Set a new time by using the ON TIMER button.
ON TIMER operation
■
Operation starts 5 to 60 minutes before the set time so that the room temperature reaches the optimum temperature at the set time. Page 20
ON TIMER operation can be set regardless of whether the air-conditioner is running or not.
x Operation starts 5 to 60 minutes before the set time.
x The timer light (yellow) goes out at the set time.
x Make sure to press the button within 60 seconds from the last operation
in step 2, otherwise the setting is not completed.
x The current time is not displayed during ON TIMER operation.
x ON TIMER operation will not function during ALLERGEN CLEAR
operation.
x If the ON/OFF button is pressed after setting the ON TIMER, the setting
will be canceled.
NOTE
1
2
x Pressing the ON/OFF button during SLEEP TIMER
+
ON TIMER operation
switches to ON TIMER operation.
NOTE
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EN-20
ALLERGEN CLEAR operation
Press the ALLERGEN CLEAR button.
1
■ Enzyme technology is used to eliminate allergens that accumulate on the “Allergen clear filter”.
To stop:
Press the ON/OFF or
ALLERGEN CLEAR button.
x Since the room temperature may change quite a bit, it is recommended
that this be used when no one is in the room. (It completes automatically
in approximately 90 minutes.)
x During ALLERGEN CLEAR operation temperature, fan speed, airflow
direction and timer operations settings cannot be made.
PROGRAM TIMER operation
■ This is the combined timer operation of ON TIMER and OFF TIMER. Once this has been set, the timer operations will be repeated at the
same time every day unless the CANCEL button is pressed.
Comfort Start-up
In ON TIMER operation, the unit starts the operation a little earlier, so
that the room can approach optimum temperature at ON time. This is
called “Comfort start-up”.
x Mechanism
The room temperature is
checked 60 minutes before
the ON time. Depending on
the temperature at that time,
the operation starts 5 to 60
minutes before the timer is at
ON.
x The function is available
for COOL, HEAT and DRY
operation mode (including
AUTO).
SLEEP TIMER
In COOL operation
(Stop) Operation starts
▼
Check the room
temperature
1 hour before.
Set time
▼
When SLEEP TIMER is selected, the set temperature is automatically
adjusted after a while, ensuring that the room is not too cold during
cooling or too warm during heating.
(Operation)
Set temperature
How to cancel
Press the CANCEL button to turn off the timer display.
Changing of set time
Set a new time by using the OFF TIMER or ON TIMER button.
NOTE
Example: Present time is 21:00. The air-conditioner running.
When it is preferred to stop at 22:30, and then start operation at 8:00, near the set
temperature.
First the air-conditioner starts running with ON TIMER.
After the air-conditioner stops running with OFF TIMER.
First the air-conditioner stops running with OFF TIMER.
After the air-conditioner starts running with ON TIMER.
OFF TIMER operation setting
Set by the procedures on page 18. Set to
ON TIMER operation setting
Set by the procedures on page 19. Set to
Timer light (yellow) on the unit will light when the setting is completed.
■ The set time will be displayed on the remote control. The display will change
depending on the operational status.
1
2
x The air-conditioner stopping.
x The air-conditioner running.
COOL operation
▼
▼
HEAT operation
▼
▼
Set temperature
Set temperature
Set time
+1.0 °C
-1.0 °C
-1.0 °C
-2.0 °C
-3.0 °C
-6.0 °C
Set time
1 hour 1 hour
30 minutes
2 hour 2 hour
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EN-21
Press the ON/OFF button.
Press the Hi/ECO button.
x When the operating mode is AUTO, COOL or HEAT
Every time the Hi/ECO button is pressed, the display is switched in the
order of:
(
HIGH POWER
) (ECONOMY)
No display
(Normal operation)
x When the operating mode is DRY or PROGRAM TIMER
Every time the Hi/ECO button is pressed, the display is switched in the
order of:
No display
(ECONOMY) (Normal operation)
2
1
HIGH POWER operation
Pressing the Hi/ECO button intensifies the operating power and initiates powerful cooling or heating operation for 15 minutes
continuously. The remote control displays
and the FAN SPEED display is disappeared.
x During the HIGH POWER operation, the room temperature
is not controlled. When it causes an excessive cooling or
heating, press the Hi/ECO button again to cancel the HIGH
POWER operation.
x HIGH POWER operation is not available during the DRY and
PROGRAM TIMER operations.
x When HIGH POWER operation is set after setting
ON TIMER operation, HIGH POWER operation will start from
the set time.
x After HIGH POWER operation, the sound of refrigerant
flowing may be heard.
x When the following operations are set, HIGH POWER
operation will be canceled.
1 When the Hi/ECO button is pressed again.
(The operation mode will be changed to the ECONOMY operation)
2 When the operation mode is changed.
3 When it has been 15 minutes since HIGH POWER
operation has started.
4 When the 3D AUTO button is pressed.
5 When the SILENT button is pressed.
6 When the NIGHT SETBACK button is pressed.
x Not operable while the air-conditioner is OFF.
x It will go into ECONOMY operation at the next time the air-
conditioner runs in the following case.
1
When the air-conditioner is stopped by ON/OFF button
during ECONOMY operation.
2
When the air-conditioner is stopped in SLEEP or OFF
TIMER operation during ECONOMY operation.
3 When the operation is retrieved from SELF CLEAN
or ALLERGEN CLEAR operation.
x When the following operations are set, ECONOMY operation
will be canceled.
1 When the Hi/ECO button is pressed again.
2 When the operation mode is changed from DRY to
FAN.
3 When the NIGHT SETBACK button is pressed.
x Not operable while the air-conditioner is OFF.
ECONOMY operation
Pressing the Hi/ECO button initiates a soft operation with the power suppressed in order to avoid an excessive cooling or heating.
The unit operates 1.5 °C higher than the setting temperature during cooling or 2.5 °C lower than that during heating. The remote control
displays
and the FAN SPEED display is disappeared.
HIGH POWER/ECONOMY operation
■ When the air-conditioner is turned off, start the operation from Step 1. When the air-conditioner is running, start from Step 2.
NOTE
NOTE
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EN-22
NIGHT SETBACK operation
■ During the cold season, the room temperature can be maintained at a comfortable level during the absence, at night, and while the room
is unattended. The air-conditioner maintains the constant temperature at about 10 °C.
SILENT operation
1
1
Press the NIGHT SETBACK button.
Every time the NIGHT SETBACK button is pressed, the display is switched
in the order of:
How to cancel
Press the SILENT button to turn off the SILENT display.
x During SILENT operation, the maximum cooling and heating capacities
deteriorate.
x SILENT operation will not function during DRY and FAN operation.
x In case of following operations, the air-conditioner will resume SILENT
operation whenever it turns ON again.
1
When the air-conditioner is stopped by ON/OFF button during SILENT
operation.
2 When the air-conditioner is stopped in SLEEP or OFF TIMER
operation during SILENT operation.
3 When the operation is retrieved from SELF CLEAN or ALLERGEN
CLEAR operation.
x Not operable while the air-conditioner is OFF.
x The noise level of the outdoor unit may not decrease depending on the
condition.
x During NIGHT SETBACK operation, the air-conditioner maintains the set
temperature at about 10 °C.
x
During NIGHT SETBACK operation, temperature settings cannot be made.
x Since the room temperature may change quite a bit, it is recommended
that this be used when no one is in the room.
x During NIGHT SETBACK operation, HIGH POWER and ECONOMY
operations cannot be set.
x When NIGHT SETBACK operation is canceled by pressing the NIGHT
SETBACK button, the operation mode is reset to the mode immediately
prior to the NIGHT SETBACK operation.
x With this function, the air-conditioner maintains the room temperature at
10 °C during cold seasons (heating operation).
The air-conditioner does not maintain the temperature at 10 °C during
the hot/warm seasons (cooling operation).
When the room temperature is higher than 10 °C, the fan will stop or
operate at a low speed.
NOTE
How to cancel
Press the NIGHT SETBACK button or MODE button to turn off the NIGHT
SETBACK display.
2
Press the ON/OFF button.
Press the SILENT button.
When the operating mode is AUTO, COOL, HEAT or NIGHT SETBACK
Every time the SILENT button is pressed, the display is switched in the order of
:
(SILENT on) (SILENT off)
No display
(NIGHT SETBACK on) (NIGHT SETBACK off)
No display
■ When the SILENT operation is set, the unit operates more silently to reduce noise from the outdoor unit.
When the air-conditioner is turned off, start the operation from Step 1. When the air-conditioner is running, start from Step 2.
Two types of modes for SILENT operation can be selected.
Page 26
NOTE
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EN-23
MENU function
■
MENU function is used for setting the Wireless LAN connection setting, Backlight setting, Display brightness adjustment, SELF CLEAN
operation, Fan control in heating thermo - OFF, SILENT mode setting and Wireless LAN communication setting.
1
Every time the MENU switch is pressed with the tip of
a ballpoint pen, etc., the display is switched in order of:
Backlight setting
2
Select the Backlight on/off by pressing “ or (TEMP/
TIMER)” button.
■ The backlight can be turned on/off.
Select the Backlight setting by pressing the MENU
switch.
1
Press the ON/OFF button.
3
(Backlight on) (Backlight off)
SILENT mode
setting
Fan control in heating
thermo - OFF
Wireless LAN
communication setting
SELF CLEAN
operation
Display brightness
adjustment
Wireless LAN
connection setting
Backlight
setting
Wireless LAN connection setting
■ For Wireless LAN connection setting, refer to another user’s manual.
x If the communication status is poor due to radio wave interference by an obstacle, microwave oven and so on, the operation contents
may not be reflected. Check the operational status periodically.
x The operation contents of your smartphone are not reflected to the remote control display. The contents set by the remote control
are reflected to the application (Smart M-Air).
NOTE
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EN-24
NOTE
x Two hours later, the air-conditioner stops SELF CLEAN operation
automatically. To stop the air-conditioner immediately, press the ON/OFF
button.
x SELF CLEAN operation is not operated after HEAT, FAN and ALLERGEN
CLEAR operations have finished.
x The indoor unit fan runs for about two hours in SELF CLEAN operation.
x The RUN light illuminates during SELF CLEAN operation (3 seconds ON,
1 second OFF).
x Pressing the SLEEP button, ALLERGEN CLEAR button or NIGHT
SETBACK button during SELF CLEAN operation cancels the SELF
CLEAN operation and then the unit is set to SLEEP, ALLERGEN CLEAR
or NIGHT SETBACK operation.
x This is not a function for removing mold, germs or grime that have
already adhered to the unit.
SELF CLEAN operation
■
SELF CLEAN operation should be run after AUTO, COOL and DRY operation to remove the moisture from inside of the indoor unit and
control the growth of mold and bacteria. (Including when stopped by the TIMER)
2
Select SELF CLEAN on by pressing “ or (TEMP/
TIMER)” button.
Select the SELF CLEAN operation by pressing the
MENU switch.
1
Press the ON/OFF button.
3
(SELF CLEAN off) (SELF CLEAN on)
2
Select the brightness level by pressing “ or (TEMP/
TIMER)” button.
Display brightness adjustment
■
This function can be used when it is necessary to adjust the brightness of unit display.
Select the Display brightness adjustment by pressing
the MENU switch.
1
Press the ON/OFF button.
3
100 %
(Original)
50 % 0 %
(Turned off)
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EN-25
Fan control in heating thermo - OFF
■
When the room temperature reaches the set temperature during heating operation, the heating thermostat turns OFF.
Fan control in heating thermo - OFF can be selected.
2
Select the Fan control by pressing the “ or (TEMP/
TIMER)” button.
The unit operates at the FAN SPEED set by the remote control.
Heat generated from other heat sources can be circulated in the
room by operating the indoor fan continuously.
The air-conditioner controls the FAN SPEED automatically.
The indoor fan starts and stops the operation at regular intervals
in order to avoid cold draft during heating thermo - OFF.
The indoor fan stops. To use this function additional work is
required, so consult your dealer.
Otherwise, it may take time to return to heating and the heating
capacity may be insufficient.
Select the Fan control in heating thermo - OFF by
pressing the MENU switch.
1
Press the ON/OFF button.
3
Normal
function
Fireplace
function
Initial
display
Interval
function
Stop
function
x
Once Fan control in heating thermo - OFF is configured, it is stored in the
air-conditioner even if the power source is turned off. To change Fan control in
heating thermo - OFF, set again with the remote control.
NOTE
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EN-26
This mode can reduce the noise from the outdoor unit.
This mode is ever more silently than the SILENT mode 1.
SILENT mode setting
2
Select the SILENT mode by pressing “ or (TEMP/
TIMER)” button.
■ This function allows you to adjust the volume of the sound issued from the outdoor unit during SILENT operation in 2 levels.
Select the SILENT mode setting by pressing the MENU
switch.
1
SILENT mode 1
Initial
display
SILENT mode 2
Press the ON/OFF button.
3
x Once SILENT mode setting is configured, it is stored in the
air-conditioner even if the power source is turned off. To change SILENT
mode setting, set again with the remote control.
NOTE
Wireless LAN communication setting
■
The wireless LAN communication can be switched between ON and OFF.
Wireless LAN communication setting can be set regardless of whether the air-conditioner is running or not.
2
Select the wireless LAN communication by pressing “
or
(TEMP/ TIMER)” button.
Select the Wireless LAN communication setting by
pressing the MENU switch.
1
Press the ON/OFF button.
3
Initial
display
Wireless LAN
communication ON
Wireless LAN
communication OFF
NOTE
x Once Wireless LAN communication setting is configured, it is stored
in the air-conditioner even if the power source is turned off. To change
Wireless LAN communication setting, set again with the remote control.
x If the Wireless LAN communication setting is set to OFF, the Wi-Fi
function will be unavailable.
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EN-27
Press the ON/OFF button for 5 seconds.
3
1
If the air-conditioner is running, press the ON/OFF
button to stop.
The initialization of the wireless LAN setting cannot be made while the unit
is running.
2
Press the OFF TIMER button and the 3D AUTO button
together for 5 seconds or more.
The AC display on the remote control blinks.
How to cancel
Press the CANCEL button.
x Be sure to initialize the setting when the user of the air-conditioner changes
or the air-conditioner is disposed of.
NOTE
■
If you want to reset the wireless LAN setting, it can be initialized to the status at the time of purchase.
When the wireless LAN setting is initialized, data of such as the network setting is erased.
Initialization of wireless LAN setting
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EN-28
■
This operation can save the preferred setting for future operation.
When the air-conditioner is turned off, start the operation from Step 1. When the air-
conditioner is running, start from Step 2.
■
Operation can be performed with saved settings.
Press the ON/OFF button.
Select preferred OPERATION MODE, TEMPERATURE,
FAN SPEED and AIRFLOW direction.
NOTE
x When pressing “FAN SPEED
” button 3 seconds or more for PRESET
operation during the 3D AUTO or HIGH POWER operation, it will be
canceled.
x When pressing “FAN SPEED
” button 3 seconds or more for PRESET
operation during the ECONOMY operation, it will continue.
PRESET operation
1
2
Press “FAN SPEED ” button 3 seconds or more.
The preferred setting for future operation will be saved.
is displayed for a moment.
3
Press “FAN SPEED ” button 3 seconds or more.
PRESET operation will start.
4
How to save
How to start
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EN-29
Turn off the power source.
Remove the air filter
Before maintenance During the operational season
Maintenance
Cleaning the air filter
Do not use the following items:
x Hot water (40 °C or more)
It may deform or discolour the unit.
x Petrol, paint thinner, benzine or
cleanser, etc. It may defor m o r
scratch the unit.
x Do not spill any liquid to the
unit.
x Do not touch the aluminum fins
on the heat exchanger.
x Stand firmly on a stepladder
or other stable object when
removing the inlet panel and
filter.
Cleaning
CAUTION
x Do not clean the filters with boiling water.
x Do not dry them over an open flame.
x Pull them out gently.
Cleaning the unit
x Wipe the unit with a soft, dry cloth, or use a vacuum cleaner.
x If the unit is very dirty, wipe it with a cloth soaked in warm water.
1
2
3
Reinstall the air filter
x Hold firmly the filter at both sides as shown at right and
insert securely.
x Operating without the air filters will make the unit dusty,
and may cause damage.
Cleaning the air inlet panel
x The panel can be washed with water. After washing
with water, wipe any moisture off the panel and dry it
out of direct sunlight.
x Pull up the air inlet panel forward.
x
Lightly hold the knobs both sides and lift a little
to remove the panel forward.
If the filter is very dirty, clean it with warm water
(approx. 30 °C), and dry it thoroughly.
Standard interval is once
every two week
Open
Place fingers at the corners on both sides of the panel and pull
up the panel forward so that it will be open by about 60 degrees.
How to open and close the air inlet panel
Close
Push both corners of the panel evenly and press further lightly
at the center.
Removing
When removing the air inlet panel for internal cleaning or others,
open the panel by 90 degrees and then pull it forward.
How to remove and install the air inlet panel
Installing
Insert the panel arm into the slot on the front panel from the
position shown below, hold the panel at both ends of lower part,
lower it downward slowly, then push it slightly until the latch
works.
Panel arm
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EN-30
❚ Maintenance
At the end of the season At the beginning of the season
Stop the unit and turn off the power source.
The unit consumes approx. 4 W even when the unit is not operating.
Turning off the power source will help saving energy consumption and cost.
Ensure that the earth wiring is not snapped nor
disconnected.
Make sure that there are no obstacles blocking
the airflow around the air intake and outlet
openings of the indoor and outdoor units.
1
2
Remove batteries from the remote control.
Clean both the indoor and outdoor units.
Clean and reinstall the air filters.
Perform the fan operation for 2 to 3 hours.
Dry the inside of the unit.
3
4
5
Make sure that there is no corrosion or rust on
the base frame of the outdoor unit.
Insert batteries in the remote control.
Turn on the power source.
3
2
1
4
5
Installing, inspecting and replacing the air-cleaning filter
1. Open the air inlet panel and remove the air filters. Page 29
2. Remove the allergen clear filter (Light orange) from air-conditioner and inspect the
filter. Use a vacuum cleaner to remove any dust or dirt from the allergen clear filter.
Replace the allergen clear filter if it cannot be cleaned or if it has been for about
1 year.
(The allergen clear filter should be replaced after about 1 year of used. However, the
actual replacement period may vary depending on the conditions in which the filter
is used.)
3. Install the air-cleaning filter in the air-conditioner.
NOTE
x Install the allergen clear filter with the light orange side on front side.
x The heat exchanger may injure your fingers.
x Stand firmly on a stepladder or other stable object when removing the air inlet panel and filters.
Item Feature Color
For replacing the air-cleaning filter, contact your dealer.
Enzyme technology is used to eliminate allergens that
accumulate on the “Allergen clear filter”.
Allergen clear filter
Light orange
CAUTION
4. Install the air filters and close the air inlet panel. Page 29
Air-cleaning filter
x Cooling/heating is affected by an air filter clogged up with dust etc., and the operation noise becomes louder. It may also use extra
electricity. Please clean the air filter at appropriate intervals.
NOTE
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EN-31
Proper installation
Notice
Pay attention to operating noises
• When you install the unit, take care to choose a place that can comfortably stand the weight of the unit and does not increase the
operating noise or vibration. If vibration is transmitted through the house, fix the unit with the aid of vibration-proof pads between the
unit and the fittings.
• Select a place where cold or hot air, operation noises from the indoor and outdoor units do not cause any inconvenience to your
neighbours.
• Do not leave any obstacles near the outlet and inlet of the outdoor unit. This may cause malfunctioning and increased operating noise.
• If you hear an irregular noise during operation, contact your dealer.
Depending on operating environment, the inside of the air-conditioner may become dirty after a few year operations. This will reduce
performance. In addition to normal cleaning, we would recommend inspection and maintenance. (This may lead the air-conditioner to
having a longer life without any trouble.)
• Contact your dealer, or any distributor, for inspection and maintenance. (There will be a charge for this service).
• We would recommend inspection and maintenance to be carried out during the off-season.
• If the supply cord of this appliance is damaged, it must only be replaced by a repair shop appointed by the manufacturer, because
special purpose tools are required.
Suitable installation position
Troubleshooting
Please carry out the following checks before making a service call.
If the air-conditioner does not
operate properly after you have
checked the left points, or if any
doubt still exists after you have
consulted below page and page
32, or if things happen as shown
on page 33, switch off the power
and contact your dealer.
x Do not put any obstruction in front of the indoor unit, preventing proper ventilation and functioning.
x Do not install the unit in any of the following places:
Where there is a danger of leaking flammable gases.
Where there is substantial splashing of oil.
x Malfunctioning due to corrosion may occur if the unit is installed in a spa where sulfide gases are generated, or in a seaside resort
exposed to sea breezes. Contact your dealer.
x The air-conditioner and remote control must be at least 1 meter away from a TV set or radio.
x Drain the dehumidified liquid from the indoor unit into a spot that drains well.
Inspection and maintenance
The air-conditioner does not work at all.
x Has the power switch been turned off?
x Has the timer been set in the “ON” position?
x Is there a power failure or a blown fuse?
Poor cooling or heating
x Have you set the thermostat at a suitable temperature?
x Is the air filter clean? (Not clogged?)
x Have you left any doors or windows open?
x Is there any direct sunlight entering the room?
x Is there a heat source in the room?
x Are there too many people in the room?
Air is not blown out when starting the HEATING operation.
RUN light blinks slowly
(1.5 seconds ON, 0.5 seconds OFF)
Airflow has stopped to prevent blowing out of cold air until the
indoor heat exchanger has warmed up. (2 to 5 minutes)
Air is not blown out for 5 to 15 minutes or cool air is
blown out for a moment at HEATING operation.
RUN light blinks slowly
(1.5 seconds ON, 0.5 seconds OFF)
When outdoor temperature is low and humidity is high, the
unit sometimes performs defrosting automatically. Please
wait. During defrosting, water or steam may release from the
outdoor unit.
Air is not blown out when starting the DRY operation.
(RUN light is on)
The indoor fan may stop to prevent re-evaporation of
dehumidified moisture and to save energy.
Airflow
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EN-32
Noise
Operation
Others
You hear a slight gurgling sound.
This is caused by refrigerant moving within the unit.
You hear a slight cracking sound.
This is caused by heat expansion or contraction.
You hear a hissing or clicking sound.
This is caused by the operation of the refrigerant control
valves or electric components.
Whistling noise is heard from the outdoor unit.
This means that the rotation speed of the compressor is
increasing or decreasing.
Sometimes a “Shooooo” sound might come for a short
time from the unit that is turned off.
This is the sound when operation of another indoor unit is
stopped.
The timer function is canceled.
Timer function used with Wired remote control / WF-RAC
(Smartphone)
The following timer functions that have be set from the
wireless remote control are cancelled when the operating
status of the indoor unit changes due to signals from the wired
remote control or WF-RAC (Smartphone).
At this time, the operational status of the indoor unit is different
from the wireless remote control display.
Therefore it is recommended to only set one of the timers.
• SLEEP TIMER operation
• OFF TIMER operation
• ON TIMER operation
• SLEEP TIMER + ON TIMER operation
• PROGRAM TIMER operation
The wireless remote control display and operating
conditions do not match.
The unit does not restart immediately after you have
stopped it.
(RUN light is on)
Restart is blocked for 3 minutes after you have stopped the
operation to protect the unit.
The 3 minutes protection timer in the microcomputer
automatically starts it up again.
Some steam releases during COOL operation.
This may occur if the room’s temperature and humidity are
very high. It disappears as soon as the temperature and
humidity decrease.
Close all windows and doors to prevent outside humidity from
entering.
There is a slight smell.
Air blown out during operation may smell. This is caused by
tobacco or cosmetics adhering to the unit.
After a power cut, the unit does not restart even if power
has been restored.
If the auto restart function is not set, the unit will not restart
automatically. Use the remote control to start the operation
again.
Remote control signals are not received.
Remote control signals may not be received if the signal
receiver on the air-conditioner is exposed to direct sunlight or
other bright light.
If so, block the sunlight or reduce the other light.
Moisture may form on the air outlet grills.
If the unit is operated for a long time in high humidity, moisture
may form on the air outlet grills and start dripping.
Fan will not stop immediately after unit operation is
stopped.
Indoor fan : Fan will not stop after 2 hours if set to SELF
CLEAN operation.
Outdoor fan : Fan will not stop about a 1 minute period in
order to protect the unit.
RUN light stays on even though operation was stopped.
The RUN light illuminates during SELF CLEAN operation.
Run light will turn off when SELF CLEAN operation ends.
❚ Notice
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EN-33
Contact your dealer
■ Turn off the power switch immediately and inform your dealer in any of the following situations:
x The fuse or switch blows continuously.
x The cable becomes extremely hot.
The covering of the cable is cracked.
x The TV, radio or other equipment starts to malfunction.
x A switch does not activate properly.
x A strange noise is heard during operation.
x When abnormalities occur, turn off the power source immediately and turn it on after 3 minutes. Restart the operation with ON/OFF
button of the remote control and the abnormalities still continue.
x The RUN and TIMER lights on the unit display section blink quickly (0.5 seconds ON; 0.5 seconds OFF) or the lights do not work.
Auto restart function
■ Auto restart function records the operational status of the air-conditioner immediately prior to be switched off by a power cut, and then
automatically resumes operations after the power has been restored.
■ The following settings will be canceled:
1 Timer settings
2 HIGH POWER operations
x Auto restart function is set at on when the air-conditioner is shipped from the factory. Consult with your dealer if this function needs
to be switched off.
x When power failure occurs, the timer setting is canceled. Once power is resumed, set the timer again.
NOTE
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EN-34
Self diagnosis function
■ We are constantly trying to do better service to our customers by installing such judges that show abnormality of each function as follows
RUN light
TIMER light ON
1-time flash
2-time flash
3-time flash
4-time flash
5-time flash
7-time flash
6-time flash
Description of trouble Cause
Indoor heat exchanger sensor 1
error
Room temperature sensor error
Circuit error
Indoor heat exchanger sensor 3
error
Trouble of Wireless LAN interface
Indoor fan motor error
Refrigerant is insufficient
Closed service valve
• Broken heat exchanger sensor 1 wire, poor connector
connection
• Broken room temperature sensor wire, poor connector
connection
• Broken heat exchanger sensor 3 wire, poor connector
connection
• Defective Wireless LAN interface boards, poor connector
connection
• Circuit failure or poor connector connection
• Defective fan motor, poor connector connection
• Refrigerant is insufficient, leaking
• Closed service valve
TIMER light
5-time flash
4-time flash
2-time flash
1-time flash
3-time flash
2-time flash
1-time flash
4-time flash
5-time flash
6-time flash
7-time flash
Keep flashing
2-time flash
1-time flash
RUN light keeps flashing
RUN light ON
RUN light 2-time flash
RUN light 7-time flash
Outdoor temperature sensor error
Outdoor heat exchanger sensor
error
Discharge pipe sensor error
Suction pipe sensor error
• Broken outdoor sensor wire, poor connector connection
• Broken heat exchanger sensor wire, poor connector
connection
•
Broken discharge pipe sensor wire, poor connector connection
• Broken suction pipe sensor wire, poor connector connection
Current cut
Trouble of outdoor unit
Over current
Power transistor error
Over heat of compressor
Error of signal transmission
Outdoor fan motor error
Cooling high pressure protection
• Compressor locking, open phase on compressor output,
short circuit on power transistor, closed service valve
• Broken compressor wire
• Compressor blockage
• Overload operation, overcharge of refrigerant
• Broken power transistor
• Gas shortage, defective discharge pipe sensor,
closed service valve
• Defective power source, broken signal wire, defective
indoor/outdoor unit boards
• Defective fan motor, poor connector connection
• Overcharge of refrigerant, short circuit of outdoor unit
Rotor lock
• Defective compressor
• Open phase on compressor
• Defective outdoor unit boards
Closed service valve
• Closed service valve
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UK DECLARATION OF CONFORMITY
MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
2-3, Marunouchi 3-chome, Chiyoda-ku, Tokyo, 100-8332, Japan
declare under our sole responsibility that the apparatus referred to in this declaration
conforms with the following directives.
Description of apparatus: Split Type Air Conditioner
Model name:
Relevant GB Directives :
Supply of Machinery Regulations S.I. 2008/1597
Applied Standards / Regulations :
Conformity model list
[Outdoor Unit]
Description of apparatus: Split Type Air Conditioner
Model name:
[Outdoor Unit]
Authorised Representative in the GB :
MITSUBISHI HEAVY INDUSTRIES AIR-CONDITIONING EUROPE, LTD.
5 The Square, Stockley Park, Uxbridge, Middlesex, UB11 1ET, United Kingdom
EU DECLARATION OF CONFORMITY
MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
2-3, Marunouchi 3-chome, Chiyoda-ku, Tokyo, 100-8332, Japan
declare under our sole responsibility that the apparatus referred to in this declaration
conforms with the following directives.
Relevant EU Directives :
Machinery 2006/42/EC
Applied Standards / Regulations :
EN 60335-1
EN 60335-2-40
Conformity model list
Authorised Representative in the EU :
MHIAE SERVICES B.V.
Herikerbergweg 238, Luna ArenA, 1101 CM Amsterdam, Netherlands
P.O.Box 23393 1100 DW Amsterdam, Netherlands
EN 60335-1
EN 60335-2-40
[Indoor Unit]
Category Model
DXK Series
DXK05Z7-W
DXK07Z7-W
DXK09Z7-W
DXK12Z7-W
DXK18Z7-W
[Indoor Unit]
Category Model
DXC05Z7-W
DXC07Z7-W
DXC09Z7-W
DXC12Z7-W
DXC18Z7-W
DXC Series
Category Model
DXK Series
DXK05Z7-W
DXK07Z7-W
DXK09Z7-W
DXK12Z7-W
DXK18Z7-W
Category Model
DXC05Z7-W
DXC07Z7-W
DXC09Z7-W
DXC12Z7-W
DXC18Z7-W
DXC Series
RLH012A002C_Cover.indd 2 2021/12/6 13:16:49
MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
2-3, Marunouchi 3-chome, Chiyoda-ku, Tokyo, 100-8332, Japan
http://www.mhi-mth.co.jp/en/
MITSUBISHI HEAVY INDUSTRIES AIR-CONDITIONING EUROPE, LTD.
5 The Square, Stockley Park, Uxbridge, Middlesex, UB11 1ET, United Kingdom
Tel : +44-333-207-4072
Fax : +44-333-207-4089
http ://www.mhiae.com/
MHIAE SERVICES B.V.
(Wholly-owned subsidiary of MITSUBISHI HEAVY INDUSTRIES AIR-CONDITIONING EUROPE, LTD.)
Herikerbergweg 238, Luna ArenA, 1101 CM Amsterdam, Netherlands
P.O.Box 23393 1100 DW Amsterdam, Netherlands
Tel : +31-20-406-4535
http ://www.mhiaeservices.com/
MITSUBISHI HEAVY INDUSTRIES AIR-CONDITIONERS AUSTRALIA, PTY. LTD.
Block E, 391 Park Road, Regents Park, NSW, 2143 PO BOX 3167, Regents Park, NSW, 2143
Tel : +61-2-8774-7500
Fax : +61-2-8774-7501
https://www.mhiaa.com.au/
RLH012A002C_Cover.indd 1 2021/12/6 13:16:48
Produkt Specifikationer
| Mærke: | Mitsubishi |
| Kategori: | Aircondition |
| Model: | DXK09Z7-W |
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