Mitsubishi Electronics Mr Slim Msy A24Na Users Manual

MSY-A24NA to the manual 6faf0055-7578-4a74-b28c-3ce128f846fe

2015-02-09

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English
SPLIT-TYPE AIR CONDITIONERS
ACONDICIONADORES DE AIRE DE TIPO DIVIDIDO

Español

OPERATING INSTRUCTIONS
MANUAL DE INSTRUCCIONES

MSY-A24NA

For customers
Thank you very much for purchasing this Mitsubishi room air conditioner.
• To use this unit correctly and safely, be sure to read this operating instructions before use. Keep
this manual carefully for later reference.
• Be sure to receive a guarantee card from your dealer and check that the purchased data and
shop name, etc. are entered correctly.
• This air conditioner should not be installed by the customer. (Safety and performance functions
cannot be assured.)
Para clientes
Gracias por adquirir este acondicionador de aire Mitsubishi.
• Para utilizar esta unidad de forma correcta y segura, lea previamente estas instrucciones de
funcionamiento. Guarde este manual para consultas posteriores.
• Asegúrese de recibir la garantía de su distribuidor y comprobar que contiene la fecha de compra,
el nombre del establecimiento, etc. correctos.
• Este acondicionador de aire no debe ser instalado por el cliente (ya que no se asegura que se
cumplan las funciones de rendimiento y seguridad).

CONTENTS
SAFETY PRECAUTIONS................................................................................................2
NAME OF EACH PART ...................................................................................................3
PREPARATION BEFORE OPERATION ........................................................................4
I FEEL... AUTO OPERATION .........................................................................................6
MANUAL OPERATION (COOL, DRY, FAN) ....................................................................7
AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT ..............................................7
POWERFUL OPERATION .............................................................................................8
ECONO COOL OPERATION .........................................................................................8
TIMER OPERATION (ON/OFF TIMER) ..........................................................................9
WHEN THE AIR CONDITIONER IS NOT GOING TO BE USED
FOR A LONG TIME .........................................................................................................9
MAINTENANCE ..............................................................................................................10
CLEANING THE AIR FILTER (CATECHIN) ....................................................................10
REPLACEMENT OF THE AIR CLEANING FILTER .......................................................11
CLEANING THE AIR CLEANING FILTER .......................................................................11
BEFORE CONTACTING THE SERVICE REPRESENTATIVE,
CHECK THE FOLLOWING AGAIN .................................................................................12
WHEN YOU THINK THAT TROUBLE HAS OCCURRED ...............................................12
INSTALLATION, RELOCATION AND INSPECTION .......................................................13

ÍNDICE
MEDIDAS DE SEGURIDAD ............................................................................................ 14
NOMBRE DE LAS PARTES ............................................................................................ 15
PREPARACIÓN ANTES DE PONERLO EN FUNCIONAMIENTO ................................. 16
ACCIONAMIENTO AUTOMÁTICO “I FEEL...” ................................................................ 18
ACCIONAMIENTO MANUAL (REFRIGERACIÓN, DESHUMIDIFICACIÓN,
VENTILACIÓN) ............................................................................................................... 19
AJUSTE DE LA VELOCIDAD Y DE LA DIRECCIÓN DEL FLUJO DE AIRE................... 19
FUNCIONAMIENTO DE GRAN POTENCIA ................................................................... 20
FUNCION DE DESCONEXIÓN AUTOMÁTICA (ECONO COOL)................................... 20
ACCIONAMIENTO POR EL TEMPORIZADOR
(TEMPORIZADOR DE CONEXIÓN/DESCONEXIÓN) ................................................... 21
CUANDO EL ACONDICIONADOR DE AIRE NO SE
VAYA A UTILIZAR DURANTE MUCHO TIEMPO ............................................................ 21
MANTENIMIENTO .......................................................................................................... 22
LIMPIEZA DEL FILTRO DEL AIRE (TANINOS) ............................................................... 22
SUSTITUCIÓN DEL FILTRO DE LIMPIEZA DEL AIRE .................................................. 23
ANTES DE SOLICITAR EL SERVICIO TECNICO
COMPRUEBE DE NUEVO LO SIGUIENTE ................................................................... 23
SI CREE QUE SE HA PRODUCIDO UN PROBLEMA.................................................... 24
INSTALACIÓN, CAMBIO DE SITIO Y INSPECCIÓN ..................................................... 25

English
SPLIT-TYPE AIR CONDITIONERS
ACONDICIONADORES DE AIRE DE TIPO DIVIDIDO

Español

OPERATING INSTRUCTIONS
MANUAL DE INSTRUCCIONES

MSY-A24NA

SAFETY PRECAUTIONS
• Since rotating parts and parts which could cause an electric shock are used in this product, be sure to read
these “Safety Precautions” before use.
• Since the cautionary items shown here are important for safety, be sure to observe them.
• Stop using the air conditioner and consult your dealer in case any trouble or abnormality occurs.

Marks and their meanings
WARNING:
CAUTION:

Incorrect handling could cause a serious hazard, such as death, serious injury, etc. with a high probability.
Incorrect handling could cause a serious hazard depending on the conditions.

Meanings of symbols used in this manual
: Be sure not to do.
: Be sure to follow the instruction.
: Never insert your finger or stick, etc.
: Never step onto the indoor/outdoor unit and do not put anything on them.
: Danger of electric shock. Be careful.
: Be sure to shut off the power.
• After reading this manual, keep it together with the installation manual in a handy place for easy reference.
Warning positions

•

This air conditioner is NOT intended for use by children or infirm persons without supervisions.

WARNING
Do not use intermediate connection of the power supply cord or the extension cord and do not
connect many devices to one AC outlet.
• A fire or an electric shock may result from poor contact, poor insulation, exceeding the permissible
current, etc.
Do not scratch or process the power supply cord, etc.
• Do not put heavy object on the power supply cord and do not scratch or process the cord. The cord may
be damaged and this may cause a fire or an electric shock.
Do not turn the breaker off/on during operation.
• This may cause a fire due to spark, etc.
• Be sure to turn off the breaker absolutely after switching the indoor unit off with the remote controller.
Do not expose your skin directly to cool air for a long time.
• This could damage your health.
Installation, repairs or relocation should not be done by the customer.
• If this is done incorrectly, it may cause a fire, an electric shock, or injury from the unit falling, water
leaking, etc. Consult your dealer.
• If the power supply cord is damaged, it must be replaced by the manufacturer or its service agent in order
to avoid a hazard.
Do not insert your finger or a stick, etc. into the air inlet/outlet.
• Since the fan rotates at high speed, this may cause an injury.
• Young children should be supervised to ensure that they do not play with the air conditioner.
When an abnormality (burning smell, etc.) occurs, stop the air conditioner and turn off the breaker.
• If the unit continues to be operated in an abnormal condition, it may cause a fire, trouble, etc. In this case,
consult your dealer.

FRONT PANEL
ENCLOSURE

CAUTION
AIR OUTLET
ENCLOSURE

When the air filter is to be removed, do not touch the metal parts of the indoor unit.
• This may cause an injury.
Do not touch the air inlet or aluminum fin of the outdoor unit.
• This may cause an injury.
Do not put a vase or glass on the indoor unit.
• Water dropping into the indoor unit may deteriorate the insulation, causing electric shock.
Do not use an insecticide or flammable spray.
• This may cause a fire or deformation of the cabinet.
Do not put a pet or houseplant where it will be exposed to direct airflow.
• This could injure the pet or plant.
Do not place other electric appliances or furniture under the indoor/outdoor unit.
• Water may drip down from the unit, and this may cause damage or malfunction to them.
Do not leave the unit on an installation stand which is damaged.
• The unit may fall and this may cause an injury.
Do not step onto an unstable bench when maintaining the unit, etc.
• This may cause an injury, etc. if you fall down.
Do not pull the power supply cord.
• The core wire of the power supply cord may be disconnected and this may cause a fire.
Do not charge or disassemble the batteries and do not throw them into a fire.
• This may result in leakage, fire or an explosion.
Do not operate the unit for a long time in high humidity, e.g. leaving a door or window open.
• In the cooling mode, if the unit is operated in a room with high humidity (80% RH or more) for a long time,
water condensed in the air conditioner may drop and wet or damage furniture, etc.

Marks and their meanings
WARNING:
CAUTION:

Incorrect handling could cause a serious hazard, such as death, serious injury, etc. with a high probability.
Incorrect handling could cause a serious hazard depending on the conditions.

•

This air conditioner is NOT intended for use by children or infirm persons without supervisions.

FRONT PANEL
ENCLOSURE

CAUTION
AIR OUTLET
ENCLOSURE

SAFETY PRECAUTIONS
CAUTION
Do not operate the unit at low outside temperature (less than 14°F) in the cooling mode.
• In the cooling mode, if the unit is operated at low outside temperature (less than 14°F), water condensed
in the air conditioner may drop and wet or damage furniture, etc.
Do not use the unit for special purposes.
• Do not use this air conditioner to preserve precision devices, food, animals, plants and art objects.
This may cause deterioration of quality, etc.
Do not put a stove, etc. where they are exposed to direct airflow.
• This may cause imperfect combustion.
When the unit is to be cleaned, switch it off and turn off the breaker.
• Since the fan rotates at high speed during operation, this may cause an injury.
When the unit is not going to be used for a long time, turn off the breaker.
• Otherwise, dirt may collect and this may cause a fire.
Replace the 2 batteries of the remote controller with new ones of same type.
• Using an old battery together with a new one may result in heat generation, leakage or an explosion.
If liquid from the batteries gets onto your skin or clothes, wash it well with clean water.
• If liquid from the batteries gets into your eyes, wash them well with clean water and consult a doctor at
once.
Ventilate well in using the unit with a stove, etc.
• An oxygen shortage may occur.
Do not operate switches with wet hands.
• This may cause an electric shock.
Do not clean the air conditioner with water or put a vase or glass on it.
• Water may enter the unit and degrade the insulation. This may cause an electric shock.
Do not step or put anything on the indoor/outdoor unit.
• This may cause an injury, etc. if you or something falls down.

NAME OF EACH PART
Indoor unit
Air cleaning filter
(Anti-Allergy Enzyme
Filter (Blue bellows
type))

Front panel
Air inlet

Air filter (Catechin)
Remote control
receiving section
Vertical vane
Horizontal vane
Remote controller

Operation section

Display section

(When the front panel is opened)

Operation
Indicator lamp

Emergency operation switch

Remote control
receiving section

For installation

WARNING
• Consult your dealer for installation of the air conditioner. Since special techniques and work are required,
installation should not be done by the customer. If this is done incorrectly, it may cause a fire, an electric
shock, injury or water leaking.
Do not install the unit where flammable gas could leak.
• If gas leaks and collects around the unit, it may cause an explosion.

CAUTION
Ground the unit.
• Do not connect the ground to a gas pipe, water pipe, lightning rod or the ground of a telephone. If the
grounding is incorrect, it may cause an electric shock.
Install a Ground Fault Interrupt (GFI) circuit breaker depending on the place where the air conditioner is to be installed (humid places, etc.).
• If the Ground Fault Interrupt (GFI) circuit breaker is not installed, it may cause an electric shock.
Drain should be fully drained.
• If the drainage route is incomplete, water may drop from the unit. This may wet and damage the furniture.

Outdoor unit

Air inlet

(back and side)

Piping
Drainage hose

Air outlet

Drain outlet

NAME OF EACH PART
Indoor unit
Air cleaning filter
(Anti-Allergy Enzyme
Filter (Blue bellows
type))

Front panel
Air inlet

Air filter (Catechin)
Remote control
receiving section
Vertical vane
Horizontal vane
Remote controller

Operation section

Display section

(When the front panel is opened)

Operation
Indicator lamp

Emergency operation switch

Remote control
receiving section

For installation

Outdoor unit

Air inlet

(back and side)

Piping
Drainage hose

Air outlet

Drain outlet

NAME OF EACH PART

PREPARATION BEFORE OPERATION

Remote controller

Auto restart function

■

Signal transmitting section

Auto restart function is ...
When the indoor unit is controlled with the remote controller, the operation mode, the set temperature and the fan speed are
stored in the memory. If a power failure occurs or the main power is turned off during operation, “Auto restart function” sets
automatically to start operating in the same mode as the one set with the remote controller just before the shutoff of the main
power. (Refer to page 6 for details.)

Operation display section

ON/OFF (operate/
stop) button

Breaker for the air conditioner
Temperature buttons

Open the front lid.

NOTE
Use the remote controller
provided with the unit only.
Do not use other remote
controller.

(This
(This diagram
diagram shows
shows an
an overall
overall view.)
view.)

VANE button
(Horizontal vane button)
Operation select button

On-timer button

WIDE VANE button
(Vertical vane button)

TIME set buttons
Forward button
Backward button

RESET button

Fan speed control button
Off-timer button

ECONO COOL button

POWERFUL button

These models are equipped with an auto restart function. If you do not want to use this function,
please consult the service representative because the setting of the unit needs to be changed.

CLOCK set button

■

Turn the breaker on.

NAME OF EACH PART

PREPARATION BEFORE OPERATION

Remote controller

Auto restart function

■

Signal transmitting section

Operation display section

ON/OFF (operate/
stop) button

Breaker for the air conditioner
Temperature buttons

Open the front lid.

NOTE
Use the remote controller
provided with the unit only.
Do not use other remote
controller.

(This
(This diagram
diagram shows
shows an
an overall
overall view.)
view.)

VANE button
(Horizontal vane button)
Operation select button

On-timer button

WIDE VANE button
(Vertical vane button)

TIME set buttons
Forward button
Backward button

RESET button

Fan speed control button
Off-timer button

ECONO COOL button

POWERFUL button

These models are equipped with an auto restart function. If you do not want to use this function,
please consult the service representative because the setting of the unit needs to be changed.

CLOCK set button

■

Turn the breaker on.

PREPARATION BEFORE OPERATION
Remote controller
How to set the batteries and the current time

Remove the front lid and insert batteries.
Then reattach the front lid.
Insert the minus pole of the batteries first.
Check if the polarity of the batteries is correct.

Insert the minus pole
of the batteries first.

Press the RESET button.
Press using a
thin stick.

Handling of the remote controller
• The range that the signal can reach is about 20 ft. when
the remote controller is pointed at the front of the indoor
unit.
• When a button is pressed, one or two beeps will be
heard from the indoor unit. If no sound is heard, operate
again.
• Use the remote controller carefully.
If it is dropped, thrown or it gets wet, the remote controller may not operate.
• Since the display on the remote controller is made of
liquid crystal (glass), it may not light up if it is damaged
from falling.
• Refer to page 12 when the indoor unit does not respond
to the remote control signal.

Press the
(Forward) and
(Backward) buttons (TIME SET buttons) to set the
current time.

HR.

• Each time the
button is pressed, the set time
increases by 1 minute, and each time the
button is pressed, the set time decreases by 1 minute.
• Pressing those buttons longer increases/decreases
the set time by 10 minutes.

Remote controller holder

Press the CLOCK set button.
Press using a
thin stick.

Press the CLOCK set button again and close
the front lid.

When the batteries of the remote controller run out or the remote controller malfunctions, the emergency operation
can be done using the EMERGENCY OPERATION switch.

Press the EMERGENCY OPERATION switch.

• Each time the EMERGENCY OPERATION switch is
pressed, the unit will operate in order of EMERGENCY COOL MODE and STOP MODE.
However, when the EMERGENCY OPERATION
switch is once pressed, the unit will operate in test
run for 30 minutes and then the operation mode
shifts to EMERGENCY MODE.

To stop the emergency operation, press the
EMERGENCY OPERATION switch twice (in
case of EMERGENCY COOL MODE).

When installing on a wall, etc.
• Install the remote controller holder in a position where
the signal reception sound (beep) can be heard from
ON/OFF
the indoor unit when the
button is pressed.
How to install/remove the remote controller
Installing :Insert the remote controller downward.
Removing :Pull it up.

• If the RESET button is not pressed, the remote controller may not operate correctly.

When the remote controller cannot be used (emergency operation)

Dry-cell batteries
■ Reference for replacing batteries
Replace the batteries with new AAA alkaline batteries
in the following cases:
· When the indoor unit does not respond to the remote
control signal.
· When the display on the remote controller becomes dim.
· When a button of the remote controller is pressed, all
displays appear on the screen, and then disappear immediately.
Do not use manganese batteries. The remote controller
could malfunction.
• The service life of an alkaline battery is about 1 year.
However, a battery whose time limit is approaching may
be exhausted soon. The recommended usable time limit
is indicated (month/year) on the bottom of the battery.
• To prevent liquid leakage, take out all batteries when
the remote controller is not going to be used for a long
time.

• Details of EMERGENCY MODE are as shown below. However, the temperature control does not
work for 30 minutes in test run and the unit is set
to continuous operation. The fan speed is set to
High in test run and shifts to Medium after 30 minutes.
Operation mode

COOL

Set temperature

75°F

Fan speed

Medium

Horizontal vane

Auto

Vertical vane

Front

• The operation mode is indicated by the Operation
Indicator lamp on the indoor unit as following figure.
Operation Indicator lamp
EMERGENCY COOL

STOP

Operation Indicator

CAUTION:
If liquid from the batteries gets onto your skin or
clothes, wash it well with clean water.
If liquid from the batteries gets into your eyes, wash
them well with clean water and consult a doctor at
once.
• Do not use rechargeable batteries.
• Replace the 2 batteries with new ones of the same type.
• Dispose of exhausted batteries in the correct manner.

PREPARATION BEFORE OPERATION
Remote controller
How to set the batteries and the current time

Remove the front lid and insert batteries.
Then reattach the front lid.
Insert the minus pole of the batteries first.
Check if the polarity of the batteries is correct.

Insert the minus pole
of the batteries first.

Press the RESET button.
Press using a
thin stick.

Press the
(Forward) and
(Backward) buttons (TIME SET buttons) to set the
current time.

HR.

Remote controller holder

Press the CLOCK set button.
Press using a
thin stick.

Press the CLOCK set button again and close
the front lid.

When the batteries of the remote controller run out or the remote controller malfunctions, the emergency operation
can be done using the EMERGENCY OPERATION switch.

Press the EMERGENCY OPERATION switch.

To stop the emergency operation, press the
EMERGENCY OPERATION switch twice (in
case of EMERGENCY COOL MODE).

• If the RESET button is not pressed, the remote controller may not operate correctly.

When the remote controller cannot be used (emergency operation)

COOL

Set temperature

75°F

Fan speed

Medium

Horizontal vane

Auto

Vertical vane

Front

• The operation mode is indicated by the Operation
Indicator lamp on the indoor unit as following figure.
Operation Indicator lamp
EMERGENCY COOL

STOP

Operation Indicator

I FEEL... AUTO OPERATION
With the “ (I FEEL...)” auto operation mode, the optimum room condition can be set automatically
with a one-touch operation.

Description of “I FEEL...” mode
Details of operation

To start operation:

■

ON/OFF

Press the

button.

When the “
(I FEEL...)” mode is selected, the air conditioner is automatically
controlled at the optimum temperature.

To stop operation:

■

Details of auto operation
Room temperature when started

Operation mode

Target temperature (initial state)

About 77°F or higher

COOL

About 75°F

About 77°F or lower

DRY

—

ON/OFF

Press the

button.

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
If you feel slightly warm:

■

TOO
WARM

Press the

button to lower the temperature.

One press lowers the temperature by about 2°F.

If you feel slightly cool:

■
When “
(I FEEL...)” is not selected, press the
until it is set.

TOO
COOL

Press the

button to raise the temperature.

One press raises the temperature by about 2°F.
MODE

button

Each time the button is pressed, the operation mode is changed
in sequence:
(I FEEL...) →
(COOL) →
(DRY) →
(FAN)

Description of “AUTO RESTART FUNCTION”
• These units are equipped with an auto restart function. When the main power is turned on, the air conditioner will start
operation automatically in the same mode as the one set with the remote controller before the shutoff of the main
power.
• If the unit was set to off with the remote controller before the shutoff of the main power, it will remain stopped even after
the main power is turned on.
• If the unit was in the emergency operation before the shutoff of the main power, it will start operation, when main power
comes on, in the same mode as the one set with the remote controller before the emergency operation.
• If the unit is operated in “I FEEL…” mode before power failure, the operation mode (COOL or DRY) is not stored in the
memory. When the main power is turned on, the unit decides the operation mode by the initial room temperature at
restart and starts operation again.

According to the room temperature when the operation starts, the operation mode is automatically set to COOL, DRY.
However, when operation is started again within 2 hours after it is stopped, the same operation mode before the operation
is stopped is selected. The operation mode selected first is not changed even if the room temperature changes. If the
operation mode does not match the room condition, select the appropriate operation mode by pressing the MODE button.

NOTE:
COOL: When the room temperature is 4°F higher than the set temperature, the set temperature may not be changed
since the air conditioner is operating to reach the target (set) temperature. In this case, please wait until
the room temperature drops to within 4°F of the set temperature and then change the set temperature.

I FEEL... AUTO OPERATION
With the “ (I FEEL...)” auto operation mode, the optimum room condition can be set automatically
with a one-touch operation.

Description of “I FEEL...” mode
Details of operation

To start operation:

■

ON/OFF

Press the

button.

When the “
(I FEEL...)” mode is selected, the air conditioner is automatically
controlled at the optimum temperature.

To stop operation:

■

Details of auto operation
Room temperature when started

Operation mode

Target temperature (initial state)

About 77°F or higher

COOL

About 75°F

About 77°F or lower

DRY

—

ON/OFF

Press the

button.

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
If you feel slightly warm:

■

TOO
WARM

Press the

button to lower the temperature.

One press lowers the temperature by about 2°F.

If you feel slightly cool:

■
When “
(I FEEL...)” is not selected, press the
until it is set.

TOO
COOL

Press the

button to raise the temperature.

One press raises the temperature by about 2°F.
MODE

button

Each time the button is pressed, the operation mode is changed
in sequence:
(I FEEL...) →
(COOL) →
(DRY) →
(FAN)

MANUAL OPERATION (COOL, DRY, FAN)

AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT
AIR FLOW velocity and direction can be selected as required.

To select the COOL, DRY or FAN mode:

■

ON/OFF

Press the

Select the operation mode by pressing the

button.
MODE

button.

■

To stop operation:
ON/OFF

Press the

FAN

button.

Each time the button is pressed, the fan speed is changed in sequence:
(Low) →
(Med.) →
(High) →
(AUTO)
(High) notch to cool the room more.
• Use the
• If the operating sound of the air conditioner disturbs your sleep, use the
(Low) notch.

Each time this button is pressed, the operation mode is changed in sequence:
(I FEEL) →
(COOL) → (DRY) → (FAN)

■

To change the AIR FLOW velocity, press the

button.

To change the AIR FLOW blowing direction vertically, press the
VANE
button.
Each time the button is pressed, the angle of the horizontal vane is changed in
sequence: (1) →
(2) →
(3) →
(4) →
(5) → (SWING) →
(AUTO)

After the operation mode is set once, the operation starts in the same mode as
the one set previously from the next time by simply pressing the
button.
ON/OFF

SWING OPERATION
Use the swing operation for the air flow to reach all corners of the room.
Recommended horizontal vane range for more efficient air-conditioning
Use the
(AUTO) position usually.
Use position
(1) or
(2) in the COOL or DRY mode
when adjusting to your requirements.

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○

■

COOL
DRY

1
2
3
4

When the set temperature is to be changed:
TOO
WARM

• Press the

button to lower the temperature. One press lowers the temperature by about 1°F.

TOO
COOL

• Press the

button to raise the temperature. One press raises the temperature by about 1°F.

In COOL operation
• When the outside temperature is low, the fan of the outdoor unit turns on and off frequently or decreases the rotation
speed to maintain sufficient cooling capacity.
In DRY operation
• The temperature control (temperature setting) cannot be done.
• The room temperature is slightly lowered in this operation mode.

■

The details of the display on the indoor unit are explained on page 6.

If the air conditioner does not cool effectively…
If the fan speed is set to Low or AUTO, sometimes the air conditioner may not cool the air effectively. In this case, change the
fan speed to Med. or upper.

NOTE:
• In the cooling operation, when the air conditioner is operated with setting the horizontal vane to
(4) or
(5) for
1 hour, the AIR FLOW direction is automatically set to horizontal to prevent condensed water from dropping.
• Adjust the vertical AIR FLOW direction using the remote controller. Moving the horizontal vanes manually can cause
trouble.

Auto air flow direction control operation
VANE

When the AUTO mode is selected with the
button, the position of the horizontal vane is automatically set to
correspond to the operation mode for effective operation.
(1) COOL, DRY: The air is blown out horizontally.

■

To change the AIR FLOW blowing direction horizontally, press the

WIDE VANE

button.

Each time the button is pressed, the angle of the VERTICAL VANE is changed in sequence:
→

→

(SWING) →

→

Change the fan speed.

SWING OPERATION
Use the swing operation for the air flow to reach all corners of the room.
Horizontal AIR FLOW blowing range
Fan speed: Low or AUTO
Fan speed: Med. or upper

NOTE:
Adjust the horizontal AIR FLOW direction using the remote controller. If the VERTICAL VANE is moved manually, it may cause trouble.

COOL/DRY

About 100°

MANUAL OPERATION (COOL, DRY, FAN)

AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT
AIR FLOW velocity and direction can be selected as required.

To select the COOL, DRY or FAN mode:

■

ON/OFF

Press the

Select the operation mode by pressing the

button.
MODE

button.

■

To stop operation:
ON/OFF

Press the

FAN

button.

Each time this button is pressed, the operation mode is changed in sequence:
(I FEEL) →
(COOL) → (DRY) → (FAN)

■

To change the AIR FLOW velocity, press the

button.

After the operation mode is set once, the operation starts in the same mode as
the one set previously from the next time by simply pressing the
button.
ON/OFF

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○

■

COOL
DRY

1
2
3
4

When the set temperature is to be changed:
TOO
WARM

• Press the

button to lower the temperature. One press lowers the temperature by about 1°F.

TOO
COOL

• Press the

button to raise the temperature. One press raises the temperature by about 1°F.

■

The details of the display on the indoor unit are explained on page 6.

Auto air flow direction control operation
VANE

■

To change the AIR FLOW blowing direction horizontally, press the

WIDE VANE

button.

Each time the button is pressed, the angle of the VERTICAL VANE is changed in sequence:
→

→

(SWING) →

→

Change the fan speed.

SWING OPERATION
Use the swing operation for the air flow to reach all corners of the room.
Horizontal AIR FLOW blowing range
Fan speed: Low or AUTO
Fan speed: Med. or upper

NOTE:
Adjust the horizontal AIR FLOW direction using the remote controller. If the VERTICAL VANE is moved manually, it may cause trouble.

COOL/DRY

About 100°

POWERFUL OPERATION

ECONO COOL OPERATION

Use this operation when you want to cool your room within a short time period.

Use this operation when you want to be comfortable in COOL mode even with energy saved.

Perform the following operations while the unit is operating in the MANUAL COOL mode.

■

Press the

Perform the following operations while the unit is operating in the MANUAL COOL mode.

■

button.

The air conditioner automatically adjusts the fan speed and the set temperature, and operates the POWERFUL mode. The POWERFUL mode is automatically released 15 minutes after operation starts, and the operation mode returns to the mode prior to POWERFUL operation.

Press the

Fan speed

Position of
horizontal vane

POWERFUL-high*

Set position**

* Exclusive for POWERFUL mode
** When the position of the horizontal vane is set to
operation, the air is blown downward.

■

Press the

VANE

(AUTO) during cooling

■

Press the

■

POWERFUL mode is also released in the following ways:

button again.

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
ON/OFF

button
FAN

button

ECONO COOL

button

• By setting the ON timer

■
■

TOO
WARM

The
and
operation.
The

VANE

TOO
COOL

buttons are not available during the POWERFUL

button is available.

button again.

• When the
button or the
button is pressed or the operation mode
is changed during the ECONO COOL operation, ECONO COOL operation
is released.
FAN

• By pressing the

ECONO COOL

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○

To release the POWERFUL mode before it is released automatically:

• By pressing the

button.

When the
(ECONO COOL) operation is selected in COOL mode, the air
conditioner performs swing operation in various cycle according to the temperature of air conditioner.
Also SET TEMPERATURE is automatically set 4°F higher than in COOL mode.

To release the ECONO COOL operation:

POWERFUL mode

• By pressing the

ECONO COOL

• The
button, the
are available.

TOO
COOL

TOO
WARM

button and ON/OFF timer (explained below)

What is “ECONO COOL”?
Swing air flow (change of air flow) makes you feel cooler than constant air flow. So, even though the set temperature is
automatically set 4°F higher, it is possible to perform cooling operation with keeping comfort. As a result, energy can be saved.

POWERFUL OPERATION

ECONO COOL OPERATION

Use this operation when you want to cool your room within a short time period.

Use this operation when you want to be comfortable in COOL mode even with energy saved.

Perform the following operations while the unit is operating in the MANUAL COOL mode.

■

Press the

Perform the following operations while the unit is operating in the MANUAL COOL mode.

■

button.

Press the

Fan speed

Position of
horizontal vane

POWERFUL-high*

Set position**

* Exclusive for POWERFUL mode
** When the position of the horizontal vane is set to
operation, the air is blown downward.

■

Press the

VANE

(AUTO) during cooling

■

Press the

■

POWERFUL mode is also released in the following ways:

button again.

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
ON/OFF

button
FAN

button

ECONO COOL

button

• By setting the ON timer

■
■

TOO
WARM

The
and
operation.
The

VANE

TOO
COOL

buttons are not available during the POWERFUL

button is available.

button again.

• When the
button or the
button is pressed or the operation mode
is changed during the ECONO COOL operation, ECONO COOL operation
is released.
FAN

• By pressing the

ECONO COOL

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○

To release the POWERFUL mode before it is released automatically:

• By pressing the

button.

To release the ECONO COOL operation:

POWERFUL mode

• By pressing the

ECONO COOL

• The
button, the
are available.

TOO
COOL

TOO
WARM

button and ON/OFF timer (explained below)

TIMER OPERATION (ON/OFF TIMER)
It is convenient to set the timer when you go to bed, when you get home, when you get up, etc.

How to set the ON timer

Press the

START

button during operation.

How to set the OFF timer

Set the time of the timer using the TIME buttons
(Forward) and
(Backward).

■

Press the

START

button.

button during operation.

To release the OFF timer:

■

When it is not going to be used for a long
time:

Set the time of the timer using the TIME but(Forward) and
(Backward).
tons
Each time the
button is pressed, the set time increases by 10 minutes; each time the
button is
pressed, the set time decreases by 10 minutes.

Each time the
button is pressed, the set time
increases by 10 minutes; each time the
button is
pressed, the set time decreases by 10 minutes.

To release the ON timer:

STOP

Each time the button is pressed, the OFF timer mode
alternates between ON and OFF.

Each time the button is pressed, the ON timer mode
alternates between ON and OFF.

Press the

WHEN THE AIR CONDITIONER IS NOT GOING TO BE
USED FOR A LONG TIME

Press the

STOP

button.

Programming timer operation
The ON timer and the OFF timer can be used in combination. The timer of the set time that is reached first will operate first.
(“ ” mark indicates the order of timer operations.)
• If the current time has not been set, the timer operation cannot be used.
NOTE:
If the main power is turned off or a power failure occurs while AUTO START/STOP timer is active, the timer setting is
cancelled. As these models are equipped with an auto restart function, the air conditioner starts operating with timer
cancelled at the same time that power is restored.

Perform the FAN operation for 3 or 4 hours
to dry the inside of the air conditioner.
To perform FAN operation, set the remote controller to
the highest temperature in the MANUAL COOL mode.
(Refer to page 7.)

Remove the batteries from the remote controller.

Clean the air filter and install it in the indoor
unit.
(Refer to page 10 for cleaning instructions.)

Turn off the breaker.

CAUTION:
Turn off the breaker when the air conditioner is not going to be used for a long time.
Dirt may collect and this may cause a fire.

When the air conditioner is to be used
again:

Check that the air inlet and outlet of the indoor/outdoor units are not blocked with any
obstacles.
Check that the ground is connected correctly.

CAUTION:
Ground the unit.
Do not connect the ground to a gas pipe, water pipe, lightning rod or the ground of a telephone. If the grounding is
incorrect, it may cause an electric shock.

CAUTION:
To prevent liquid leakage, take out all batteries when the
remote controller is not going to be used for a long time.

TIMER OPERATION (ON/OFF TIMER)
It is convenient to set the timer when you go to bed, when you get home, when you get up, etc.

How to set the ON timer

Press the

START

button during operation.

How to set the OFF timer

Set the time of the timer using the TIME buttons
(Forward) and
(Backward).

■

Press the

START

button.

button during operation.

To release the OFF timer:

■

When it is not going to be used for a long
time:

Each time the
button is pressed, the set time
increases by 10 minutes; each time the
button is
pressed, the set time decreases by 10 minutes.

To release the ON timer:

STOP

Each time the button is pressed, the OFF timer mode
alternates between ON and OFF.

Each time the button is pressed, the ON timer mode
alternates between ON and OFF.

Press the

WHEN THE AIR CONDITIONER IS NOT GOING TO BE
USED FOR A LONG TIME

Press the

STOP

button.

Remove the batteries from the remote controller.

Clean the air filter and install it in the indoor
unit.
(Refer to page 10 for cleaning instructions.)

Turn off the breaker.

CAUTION:
Turn off the breaker when the air conditioner is not going to be used for a long time.
Dirt may collect and this may cause a fire.

When the air conditioner is to be used
again:

Check that the air inlet and outlet of the indoor/outdoor units are not blocked with any
obstacles.
Check that the ground is connected correctly.

CAUTION:
Ground the unit.
Do not connect the ground to a gas pipe, water pipe, lightning rod or the ground of a telephone. If the grounding is
incorrect, it may cause an electric shock.

CAUTION:
To prevent liquid leakage, take out all batteries when the
remote controller is not going to be used for a long time.

MAINTENANCE

CLEANING THE AIR FILTER (CATECHIN)

Before starting maintenance

■

Cleaning the indoor unit

■

Turn off the breaker.

CAUTION:
When the unit is to be cleaned, switch it off and turn off
the breaker. Since the fan rotates at high speed during
operation, it may cause an injury.

Clean the unit using a soft dry cloth.
• If the dirt is noticeable, wipe the unit with a cloth
soaked in a solution of mild detergent diluted in lukewarm water.
• Do not use gasoline, benzine, thinner, polishing powder, or insecticide. The unit may be damaged.

Do not open the front panel up past the level position.
The panel may come off in order to prevent it from being damaged.

Cleaning the air filter (about once every 2 weeks)

Remove the air filter.

Remove.

Do not open the front panel up past the level position.
The panel may come off in order to prevent it from being damaged.
• The front panel may also come off if the upper part of the front panel is pulled down.

Air filter

CAUTION:
When the air filter is to be removed, do not touch the
metal parts of the indoor unit.
This may cause an injury.

Do not exceed.

Install the air filter.

Remove dirt from the air filter using a vacuum
cleaner or by washing the filter with water.
• If the dirt is noticeable, wash the filter with a solution of mild detergent diluted in lukewarm water.
• If hot water (120°F or more) is used, the filter may
be deformed.

Movable
range

■

• Do not expose the air filter to direct sunlight or heat
from a fire when drying it.

Open the front
panel, then
remove/replace
the filter.

CAUTION

After washing with water/lukewarm water,
dry the air filter well in the shade.

Install.

If the front panel comes off, attach it as explained below.
Keeping the front panel level with one hand, insert the hinges one by one with the other hand
into the notches at the left, right and center of the top of the indoor unit until they click into
place. (1) Then, close the front panel. (2)

1
2

Keep the front panel level and
insert the hinges into the notches.

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○

What is “Catechin air filter”?
The air filter is dyed with a natural material, catechin, that is contained in tea. The catechin air filter deodorizes
odor and noxious gases such as formaldehyde, ammonia, and acetaldehyde. Moreover, it restraints the activity of
the viruses adhering to the filter.

• Do not step onto an unstable bench when maintaining the unit, etc. This may cause an injury, etc. if you fall
down.

MAINTENANCE

CLEANING THE AIR FILTER (CATECHIN)

Before starting maintenance

■

Cleaning the indoor unit

■

Turn off the breaker.

CAUTION:
When the unit is to be cleaned, switch it off and turn off
the breaker. Since the fan rotates at high speed during
operation, it may cause an injury.

Do not open the front panel up past the level position.
The panel may come off in order to prevent it from being damaged.

Cleaning the air filter (about once every 2 weeks)

Remove the air filter.

Remove.

Air filter

CAUTION:
When the air filter is to be removed, do not touch the
metal parts of the indoor unit.
This may cause an injury.

Do not exceed.

Install the air filter.

Movable
range

■

• Do not expose the air filter to direct sunlight or heat
from a fire when drying it.

Open the front
panel, then
remove/replace
the filter.

CAUTION

After washing with water/lukewarm water,
dry the air filter well in the shade.

Install.

1
2

Keep the front panel level and
insert the hinges into the notches.

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○

• Do not step onto an unstable bench when maintaining the unit, etc. This may cause an injury, etc. if you fall
down.

REPLACEMENT OF THE AIR CLEANING FILTER
When the capacity is lowered because of dirt, etc., it is necessary to replace the air cleaning filter.

Air cleaning filter replacement

About once every year

Remove the air filter.

CLEANING THE AIR CLEANING FILTER
Cleaning the air cleaning filter (about once every 3 months)

Remove the air filter.

■ If the dirt is noticeable, use a solution of mild detergent diluted in lukewarm water.
■ If hot water (120°F or more) is used, the filter may
be deformed.
■ Do not use a scrubbing brush or sponge. This may
damage the surface of the filter.
■ Do not use a chlorine detergent.

Install a new air cleaning filter.

Air filter

Install the air filter and securely close the
front panel.

Soak the filter together with its frame in lukewarm water and wash it.

Remove the air cleaning filter (blue bellows
type).

4
Air cleaning filter

After rinsing with water/lukewarm water,
shake off the excess water and dry the filter
well in the shade.
■ Do not expose the filter to direct sunlight or heat
from a fire when drying it.

Air cleaning filter

○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
Air cleaning filter
• If the air cleaning filter is clogged, it may lower the unit’s capacity or cause condensation at the air outlet.
• The air cleaning filter is disposable. The standard usable term is about 1 year.
Optional parts Optional parts are available from your local dealer.
Name of parts

AIR CLEANING FILTER (Anti-Allergy Enzyme Filter)

Parts number

MAC-2300FT

• Please purchase the optional parts (MAC-2300FT) as a set (2 pcs) for the first time use.

REPLACEMENT OF THE AIR CLEANING FILTER
When the capacity is lowered because of dirt, etc., it is necessary to replace the air cleaning filter.

Air cleaning filter replacement

About once every year

Remove the air filter.

CLEANING THE AIR CLEANING FILTER
Cleaning the air cleaning filter (about once every 3 months)

Remove the air filter.

Install a new air cleaning filter.

Air filter

Install the air filter and securely close the
front panel.

Soak the filter together with its frame in lukewarm water and wash it.

Remove the air cleaning filter (blue bellows
type).

4
Air cleaning filter

After rinsing with water/lukewarm water,
shake off the excess water and dry the filter
well in the shade.
■ Do not expose the filter to direct sunlight or heat
from a fire when drying it.

Air cleaning filter

AIR CLEANING FILTER (Anti-Allergy Enzyme Filter)

Parts number

MAC-2300FT

• Please purchase the optional parts (MAC-2300FT) as a set (2 pcs) for the first time use.

BEFORE CONTACTING THE SERVICE REPRESENTATIVE, CHECK THE FOLLOWING AGAIN
Question

Check points or Remedy

The air conditioner cannot • Is the breaker turned on?
• Is the fuse blown?
be operated.
• Is the ON timer set? (Page 9)
The room cannot be cooled • Is the temperature setting correct? (Page 7)
• Are the filters clean? (Page 10, 11)
sufficiently.
• Are there any obstacles blocking the air inlet or
outlet of the indoor or outdoor unit?
• Is a window or door open?
The air from the indoor unit • Are the filters clean? (Page 10, 11)
smells strange.
The display on the remote • Are the batteries exhausted? (Page 5)
controller does not appear • Is the polarity (+, -) of the batteries correct?
(Page 5)
or it is dim. The indoor unit
does not respond to the re- • Are any buttons on the remote controller of other
electric appliances being pressed?
mote control signal.
When a power failure oc- • Does the air conditioner start operating again?
If the air conditioner had operated before the
curs.
power failure, as these models are equipped with
an auto restart function, the air conditioner
should start operating again. (Refer to Description of “AUTO RESTART FUNCTION” on page
6.)

Even if the above items are checked, when the air conditioner does not
recover from the trouble, stop using the air conditioner and consult your
dealer.
In the following cases, stop using the air conditioner and consult your dealer.
• When water leaks or drops from the indoor unit.
• When the left operation indicator lamp blinks.
• When the breaker trips frequently.
• The remote control signal may not be received in a room where an electronic
ON/OFF type fluorescent lamp (inverter-type fluorescent lamp, etc.) is used.
• Operation of the air conditioner may interfere with radio or TV reception in
areas where the reception is weak. An amplifier may be required for the affected device.
• When thunder is heard, stop operation and turn off the breaker. Otherwise,
the electrical parts may be damaged.

WHEN YOU THINK THAT TROUBLE HAS OCCURRED
Question

Answer (not a malfunction)

The air conditioner cannot • This protects the air conditioner according to instructions from the microprocessor. Please wait.
be operated for about 3 minutes when restarted.
Cracking sound is heard.

• This sound is generated by the expansion/contraction of the front panel, etc. due to change in
temperature.

The air from the indoor unit • The air conditioner may suck in an odor adhering to the wall, carpet, furniture, cloth, etc. and
smells strange.
blow it out with the air.
The fan of the outdoor unit • When the outside temperature is low, the fan may
not operate to maintain sufficient cooling capacdoes not rotate even
ity.
though the compressor is
running. Even if the fan
starts to rotate, it stops
soon.
The sound of water flowing • This is the sound of refrigerant flowing inside the
air conditioner.
is heard.
• This is the sound of condensed water flowing in
the heat exchanger.
• This is the sound of the heat exchanger defrosting.
The sound as burbling is • This sound is heard when the outside air is absorbed from the drain hose in turning on the
heard.
range hood or the ventilation fan and that makes
water flowing in the drain hose spout out.
This sound is also heard when the outside air
blows into the drain hose in case the outside wind
is strong.
The room cannot be cooled • When a ventilation fan or a gas cooker is used
in a room, the cooling load increases, resulting
sufficiently.
in an insufficient cooling effect.
• When the outside air temperature is high, the
cooling effect may not be sufficient.
Mist is discharged from the • The cool air from the air conditioner rapidly cools
moisture in the air inside the room, and it turns
air outlet of the indoor unit.
into mist.
Mechanical sound is heard • This is the switching sound in turning on/off the
fan or the compressor.
from the indoor unit.
The swing operation of the • This is for the swing operation of the HORIZONTAL VANE to be performed normally.
HORIZONTAL VANE is suspended for about 15 seconds, then restarted.

Question

Answer (not a malfunction)

The air flow direction • When the air conditioner is operated in COOL
or DRY mode, if the operation continues with air
changes during operation.
blowing down for 1 hour, the direction of the air
The direction of the horiflow is automatically set to horizontal to prevent
zontal vane cannot be adcondensed water from dropping.
justed with the remote controller.
Water leaks from the out- • During COOL and DRY operations, pipe or pipe
connecting sections are cooled and this causes
door unit.
water to condense.
The swing operation of the • This is for the swing operation of the VERTICAL
VANE to be performed normally.
VERTICAL VANE is suspended for about 15 seconds, then restarted.
In a multi-unit system, the • A small amount of refrigerant continues to flow
into the indoor unit even though it is not operatindoor unit which is not oping.
erating becomes warm and
a sound, similar to water
flowing, is heard from the
unit.
The air conditioner starts • These models are equipped with an auto restart
function. When the main power is turned off withthe operation only with the
out stopping the air conditioner with the remote
main power turned on,
controller and is turned on again, the air condithough you do not operate
tioner will start operation automatically in the
the unit with the remote
same mode as the one set with the remote concontroller.
troller just before the shutoff of the main power.

BEFORE CONTACTING THE SERVICE REPRESENTATIVE, CHECK THE FOLLOWING AGAIN
Question

Check points or Remedy

WHEN YOU THINK THAT TROUBLE HAS OCCURRED
Question

Answer (not a malfunction)

• This sound is generated by the expansion/contraction of the front panel, etc. due to change in
temperature.

Question

Answer (not a malfunction)

INSTALLATION, RELOCATION AND INSPECTION
Installation place

The installation location of the outdoor unit should be at least
10 ft. away from the antennas for TV sets, radios, etc. In areas
where the reception is weak, provide greater space between
the outdoor unit and the antenna of the affected device if operation of the air conditioner interferes with radio or TV reception.

Avoid installing the air conditioner in the following places.
• Where flammable gas could leak.
CAUTION:
Do not install the unit where flammable gas could leak.
If gas leaks and collects around the unit, it may cause
an explosion.
• Where there is much machine oil.
• Salty places such as the seaside.
• Where sulfide gas is generated such as a hot spring.
• Where oil is splashed or where the area is filled with
oily smoke.
• Where there is high-frequency or wireless equipment.

To prevent the effects
of a fluorescent lamp,
keep as far apart as
possible.

Inverter-type
fluorescent lamp

Keep a space
to prevent the
picture
distortion or
the noise.

3 ft.
or more
Cordless
phone or
Portable
phone

3 ft.
or more

Wall, etc.

Wellventilated
dry place
4 in. or
more

Radio

20 in. or
more

10 ft.
or more

CAUTION:
• Ground the unit.
Do not connect the ground to a gas pipe, water pipe, lightning rod or the ground of a telephone. If the grounding is
incorrect, it may cause an electric shock.
• If the air conditioner is installed in a high humidity area or near a water source, a Ground Fault Interrupt (GFI) circuit
breaker should be installed to protect against an electric shock.

Inspection and maintenance
• When the air conditioner is used for several seasons, the capacity may be lowered due to dirt inside the unit.
• Depending on the condition, an odor may be generated or dehumidified water may not drain out smoothly due to dirt,
dust, etc.
• It is recommended that the unit be inspected and maintained (charged) by specialist in addition to normal maintenance.
Consult your dealer.

* The required space depends on the type of outdoor unit.

WARNING:
If the air conditioner operates but does not cool or heat (depending on model) the room, consult your dealer since
there may be a refrigerant leak. Be sure to ask the service representative whether there is refrigerant leakage or not
when repairs are carried out.
The refrigerant charged in the air conditioner is safe. Refrigerant normally does not leak, however, if refrigerant gas
leaks indoors, and comes into contact with the fire of a fan heater, space heater, stove, etc., harmful substances will be
generated.

Electrical work
• Provide an exclusive circuit for the power supply of the air conditioner.
• Be sure to observe the breaker capacity.
• Use the correct power (voltage and frequency) indicated on the unit to operate the air conditioner and use only fuses or
breakers with specified capacity. Do not use pieces of wire instead of fuses.
WARNING:
• The customer should not install this unit.
If installation is done incorrectly, it may cause a fire, an electric shock, or injury from the unit falling, water leaking,
etc.
• Do not use intermediate connection of the power supply cord or the extension cord and do not connect many
devices to one AC outlet.
A fire or an electric shock may result from poor contact, poor insulation, exceeding the permissible current, etc.
Consult your dealer.
• The unit should be installed by licensed contractor according to local code requirements.

Operating sound considerations
• Do not put an object around the air outlet of the outdoor unit. This may lower the capacity or increase the volume of the
operating sound.
• If an abnormal sound is heard during operation, consult your dealer.

Relocation
• When the air conditioner is to be removed or re-installed because of rebuilding, moving, etc., special techniques and work
are required.
WARNING:
Repairs or relocation should not be done by the customer.
If this is done incorrectly, it may cause a fire, an electric shock, or an injury from the unit falling, water leaking, etc.
Consult your dealer.

Disposal
To dispose of this product, consult your dealer.
If you have any questions, consult your dealer.

INSTALLATION, RELOCATION AND INSPECTION
Installation place

To prevent the effects
of a fluorescent lamp,
keep as far apart as
possible.

Inverter-type
fluorescent lamp

Keep a space
to prevent the
picture
distortion or
the noise.

3 ft.
or more
Cordless
phone or
Portable
phone

3 ft.
or more

Wall, etc.

Wellventilated
dry place
4 in. or
more

Radio

20 in. or
more

10 ft.
or more

* The required space depends on the type of outdoor unit.

Disposal
To dispose of this product, consult your dealer.
If you have any questions, consult your dealer.

3400 Lawrenceville Suwanee Road ● Suwanee, Georgia 30024
Toll Free: 800-433-4822 ● Toll Free Fax: 800-889-9904
www.mrslim.com
Specifications are subject to change without notice.

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Mitsubishi Electronics Mr Slim Msy A24Na Users Manual

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