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MCFZ-A12WV
Installation Manual
14 pgs590.58 Kb0
Service Manual
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User Manual
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Mitsubishi Electronics MCFZ-A12WV User Manual

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Page 1
SPLIT-TYPE AIR CONDITIONERS
OPERATING INSTRUCTIONS
INDOOR UNIT
MCFZ-A12WV
OPERATING INSTRUCTIONS For customers
To use this unit correctly and safely, be sure to read this operating instructions
•
before use.
Bedienungsanleitung Für Kunden
Um diese Einheit richtig und sicher zu verwenden, unbedingt diese Bedienungs-
•
NOTICE D’UTILISATION A l’attention des clients
Pour avoir la certitude d’utiliser cet appareil correctement et en toute sécurité, veuillez
•
lire attentivement cette notice d’instructions avant de mettre l’appareil en fonction.
GEBRUIKSAANWIJZING Voor de klant
Om dit apparaat op de juiste manier en veilig te gebruiken, dient u eerst deze
•
gebruiksaanwijzing aandachtig door te lezen.
MANUAL DE INSTRUCCIONES Para los clientes
Para emplear correctamente este aparato y por razones de seguridad debe leer
•
este manual de instrucciones de manejo antes de su utilización.
LIBRETTO D’ISTRUZIONI Per gli utenti
Per utilizzare correttamente quest’unità, leggere questo libretto d’istruzioni atten-
•
tamente e per intero.
√¢∏°π∂™ §∂π∆√Àƒ°π∞™ °È· ÙÔÓ ÂÏ¿ÙË
°И· У· ¯ЪЛЫИМФФИ‹ЫВЩВ ·˘Щ‹ ЩЛУ МФУ¿‰· ЫˆЫЩ¿ О·И МВ ·ЫК¿ПВИ·, ‚В‚·ИˆıВ›ЩВ
•
fiЩИ ¤¯ВЩВ ‰И·‚¿ЫВИ ·˘Щfi ЩФ ВБ¯ВИЪ›‰ИФ Ф‰ЛБИТУ ЪИУ ·fi ЩЛУ ¯Ъ‹ЫЛ.
INSTRUÇÕES DE OPERAÇÃO Para os clientes
Para utilizar esta unidade correctamente, certifique-se de que lê estas instruções
•
de operação antes da utilização.
BRUGSANVISNING Til kunden
Læs denne brugsanvisning før brugen så korrekt og forsvarlig anvendelse af klima-
•
anlægget sikres.
BRUKSANVISNING För kunder
För att använda enheten på rätt och säkert sätt ska denna bruksanvisning läsas
•
innan enheten tas i bruk.
‹fiLETME TAL‹MATLARI Sat›n al›c›lar için
Bu birimi do¤ru ve güvenli olarak çal›flt›rmak için, kullanmadan önce bu iflletme
•
talimatlar›n› mutlaka okuyun.
РУКОВОДСТВО ПО ЭКСПЛУАТАЦИИ Для пользователей
Для обеспечения правильного и безопасного использования прибора следует
•
до начала его эксплуатации внимательно прочитать данное руководство.
English
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∂ППЛУИО¿
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Page 2
CONTENTS
SAFETY PRECAUTIONS ........................................................................................................................................................ 2
NAME OF EACH PART ............................................................................................................................................................ 3
PREPARATION BEFORE OPERATION .................................................................................................................................. 4
I FEEL... AUTO OPERATION ................................................................................................................................................... 6
AUTO CHANGEOVER... AUTO MODE OPERATION .............................................................................................................. 7
MANUAL OPERATION (COOL, DRY, HEAT) ........................................................................................................................... 7
AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT ...................................................................................................... 8
ECONO COOL OPERATION ................................................................................................................................................... 9
TIMER OPERATION (ON/OFF TIMER) ................................................................................................................................... 9
WHEN THE AIR CONDITIONER IS NOT GOING TO BE USED FOR A LONG TIME ............................................................ 9
MAINTENANCE ....................................................................................................................................................................... 9
CLEANING THE AIR FILTER/THE DEODORIZING FILTER (OPTION) ................................................................................ 10
REPLACEMENT OF THE DEODORIZING FILTER (OPTION)/AIR CLEANING FILTER (OPTION) ..................................... 10
BEFORE CONTACTING THE SERVICE REPRESENTATIVE, CHECK THE FOLLOWING AGAIN ...................................... 11
WHEN YOU THINK THAT TROUBLE HAS OCCURRED ...................................................................................................... 11
INSTALLATION, RELOCATION AND INSPECTION .............................................................................................................. 12
SPECIFICATIONS ................................................................................................................................................................. 12
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.
Marks and their meanings
WARNING: Incorrect handling could cause a serious hazard, such as death, serious injury, etc. with a high prob-
CAUTION: Incorrect handling could cause a serious hazard depending on the conditions.
Meanings of symbols used in this manual
• The colour of the sticker affixed to the unit is written in the parentheses.
(Black) : Never insert your finger or stick, etc.
(Black) : Never step onto the indoor/outdoor unit and do not put anything on them.
• After reading this manual, keep it together with the installation manual in a handy place for easy reference.
Warning mark positions
2
ability.
: Be sure not to do.
: Be sure to follow the instruction.
: Danger of electric shock. Be careful.
: Be sure to disconnect the power supply plug from the power outlet.
: Be sure to shut off the power.
ENCLOSURE
AIR INLET
ENCLOSURE
AIR OUTLET
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.
Remove dirt from the power supply plug and securely insert the plug into the outlet.
• If dirt adheres to the plug or insertion is incomplete, it may cause a fire or an electric shock.
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 and/or disconnect/connect the power supply plug during operation.
• This may cause a fire due to spark, etc.
• Be sure to turn off the breaker and/or disconnect the power supply plug 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 disconnect the power supply plug and/or 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.
CAUTION
When the air filter is to be removed, do not touch the metal part 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.
Page 3
SAFETY PRECAUTIONS
NAME OF EACH PART
Do not operate the unit at low outside temperature (less than -10°C) in the cooling mode.
• In the cooling mode, if the unit is operated at low outside temperature (less than -10°C), 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 disconnect the power supply plug and/or 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, disconnect the power supply plug and/or turn off the breaker.
• Otherwise, dirt may collect and this may cause a fire.
Replace the 2 batteries 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.
• 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.
For installation
CAUTION
Indoor unit (When installed on the floor)
Operation section (When the air inlet grille is pulled forward)
Emergency operation switch
Vertical vane Horizontal vane
Operation Indicator lamp
Remote control receiving section Front panel
Air cleaning filter (White bellows type) (OPTION) Air inlet Air filter
Deodorizing filter (Gray sponge type) (OPTION)
Remote controller
(When installed on the ceiling)
WARNING
• Consult your dealer for installation of the air conditioner.
CAUTION
Do not install the unit where flammable gas could leak.
• If gas leaks and collects around the unit, it may cause an explosion.
Earth the unit.
• Do not connect the earth to a gas pipe, water pipe, lightning rod or the earth of a telephone. If the earthing is incorrect, it may cause an electric shock.
Install an earth leakage breaker depending on the place where the air conditioner is to be installed (humid places, etc.).
• If the earth leakage 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
Drain hose
Air outlet
Drain outlet
3
Page 4
ON/OFF
FAN
TOO
WARM
TOO
COOL
VANE
MODE
ECONO COOL
STOP
START
HR.
MIN.
AMPM
AMPM
RESET CLOCK
I FEEL
COOL
DRY
AUTO
HEAT
12345
ON/OFF
TOO
COOL
AMPM
CLOCK
˚C
AMPM
TOO
WARM
12345
NAME OF EACH PART
PREPARATION BEFORE OPERATION
Remote controller
Signal transmitting section
Operation display section
ON/OFF (operate/
Open the front lid.
stop) button
(This diagram shows an overall view.)
Temperature buttons
Auto restart function
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.
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.)
Indoor unit
Insert the power supply plug into the power outlet and/or turn the breaker on.
■
WARNING: Remove dirt from the power supply plug and insert the plug securely. If dirt adheres to the plug or insertion is incomplete, it may cause a fire or an electric shock.
4
Fan speed control button
Operation select button
ECONO COOL button
RESET button
Off-timer button
On-timer button
HR.button MIN.button (Time set buttons)
CLOCK set button
Vane control button
Page 5
HR.
MIN.
HR.
MIN.
Operation Indicator
Operation Indicator
Operation Indicator
ON/OFF
PREPARATION BEFORE OPERATION
FAN
VANE
MODE
ECONO COOL
STOP
START
HR.
MIN.
RESET CLOCK
I FEEL
COOL
DRY
AUTO
HEAT
Remote controller
How to set the batteries and the current time
1 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.
2 Press the RESET button.
Press using a thin stick.
• If the RESET button is not pressed, the remote con­troller may not operate correctly.
3 Press the CLOCK set button.
Press using a thin stick.
4 Press the
buttons) to set the current time.
• Each time the increases by 1 hour, and each time the is pressed, the set time increases by 1 minute.
5 Press the CLOCK set button again and close
the front lid.
and
buttons (TIME SET
button is pressed, the set time
button
Handling of the remote controller
• The range that the signal can reach is about 6 m 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.
When installing on a wall, etc.
• Install the remote controller holder in a position where the signal reception sound (beep) can be heard from the indoor unit when the
How to install/remove the remote controller
Installing :Insert the remote controller downward. Removing :Pull it up.
Remote controller holder
Dry-cell batteries
■ Reference for replacing batteries Replace the batteries with new AAA alkaline batteries in the following cases:
button is pressed.
· 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.
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.
When the remote controller cannot be used (emergency operation)
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.
1 Press the EMERGENCY OPERATION switch.
• Each time the EMERGENCY OPERATION switch is pressed, the unit will operate in order of EMER­GENCY COOL MODE, EMERGENCY HEAT 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.
• 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 HEAT
Set temperature 24°C24°C
Fan speed Medium Medium
Horizontal vane Auto Auto
• The operation mode is indicated by the Operation Indicator lamp on the indoor unit as following fig­ure.
Operation Indicator lamp
EMERGENCY COOL
EMERGENCY HEAT
STOP
2 To stop the emergency operation, press the
EMERGENCY OPERATION switch once (in case of EMERGENCY HEAT MODE) or twice (in case of EMERGENCY COOL MODE).
5
Page 6
ON/OFF
ON/OFF
TOO
WARM
TOO
COOL
I FEEL... AUTO OPERATION
MODE
Operation Indicator
MODE
ON/OFF
FAN
TOO
WARM
TOO
COOL
VANE
MODE
ECONO COOL
STOP
START
HR.
MIN.
AMPM
CLOCK
˚C
AMPM
I FEEL
COOL
DRY
AUTO
HEAT
12345
RESET CLOCK
FAN
VANE
MODE
STOP
START
HR.
I FEEL
COOL
DRY
AUTO
HEAT
With the “ (I FEEL...)” auto operation mode, the optimum room condition can be set automatically with a one-touch operation.
To start operation:
Press the
■
When the “ (I FEEL...)” mode is selected, the air conditioner is automatically controlled at the optimum temperature.
button.
To stop operation:
Press the
■
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
If you feel slightly warm:
Press the
■
One press lowers the temperature by about 1°C.
If you feel slightly cool:
Press the
■
One press raises the temperature by about 1°C.
When “ (I FEEL...)” is not selected, press the button until it is set.
Each time the button is pressed, the operation mode is changed in sequence:
(I FEEL...) → (AUTO) → (COOL) →
(DRY) → (HEAT)
button.
button to lower the temperature.
button to raise the temperature.
Description of “I FEEL...” mode
Details of operation
According to the room temperature when the operation starts, the operation mode is automatically set to COOL, DRY or HEAT. 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 button.
Details of auto operation
Room temperature when started
About 25°C or higher COOL About 24°C
About 25°C to 23°CDRY —
About 23°C or lower HEAT About 26°C
NOTE: COOL: When the room temperature is 2°C 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 2°C of the set temperature and then change the set temperature.
HEAT: When the room temperature is 2°C lower 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 rises to within 2°C of the set temperature and then change the set temperature.
Details of display on the indoor unit
The operation indicator at the right side of the indoor unit indicates the operation state.
Operation mode Target temperature
(initial state)
Lighted
Not lighted
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...” or “AUTO” mode before power failure, the operation mode (COOL, DRY or HEAT) 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.
6
Operation indicator lamp
Indication
This shows that the air conditioner is operating to reach the target temperature. Please wait until the target temperature is obtained.
This shows that the room temperature is approaching the target temperature.
Operation state
Difference between target
temperature and room temperature
About 2°C or more
About 2°C or less
Page 7
ON/OFF
MODE
ON/OFF
ON/OFF
AUTO CHANGEOVER... AUTO MODE OPERATION
TOO
WARM
TOO
COOL
ON/OFF
MODE
ON/OFF
ON/OFF
TOO
WARM
TOO
COOL
ON/OFF
FAN
TOO
WARM
TOO
COOL
VANE
MODE
ECONO COOL
STOP
START
HR.
MIN.
AMPM
CLOCK
˚C
AMPM
I FEEL
COOL
DRY
AUTO
HEAT
12345
RESET CLOCK
ON/OFF
FAN
TOO
WARM
TOO
COOL
VANE
MODE
ECONO COOL
STOP
START
HR.
MIN.
AMPM
CLOCK
˚C
AMPM
I FEEL
COOL
DRY
AUTO
HEAT
12345
RESET CLOCK
MANUAL OPERATION (COOL, DRY, HEAT)
An automatic cooling and heating changeover operation system ensures easy control and year-round air conditioning. Once the desired temperature is set, unit operation is switched automatically between cooling and heating according to the room temperature. In addition, fan control of the outdoor unit enables cooling operation at outside temperature as low as -10 °C.
To select the AUTO mode:
1 Press the
2 Select the (AUTO) mode by pressing the
Each time this button is pressed, the operation mode is changed in sequence:
(I FEEL...) → (AUTO) → (COOL) → (DRY) → (HEAT)
The set temperature is also displayed on the remote controller.
button.
button.
To stop operation:
Press the
■
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
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
When the set temperature is to be changed:
■
• Press the
• Press the
button to lower the temperature. One press lowers the temperature by about 1°C.
button to raise the temperature. One press raises the temperature by about 1°C.
button.
button.
To select the COOL, DRY or HEAT mode:
1 Press the
2 Select the operation mode by pressing the
Each time this button is pressed, the operation mode is changed in sequence:
(I FEEL...) → (AUTO) → (COOL) → (DRY) → (HEAT)
button.
button.
To stop operation:
Press the
■
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
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
When the set temperature is to be changed:
■
• Press the
• Press the
button to lower the temperature. One press lowers the temperature by about 1°C.
button to raise the temperature. One press raises the temperature by about 1°C.
In COOL operation
• When the outside temperature is low, the fan of the outdoor unit turns on and off frequently 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.
button.
button.
Description of “AUTO CHANGEOVER”
(1) Initial mode
1 When unit starts the operation with AUTO operation from off;
• If the room temperature is higher than the set temperature, operation starts in COOL mode.
• If the room temperature is equal to or lower than the set temperature, operation starts in HEAT mode.
(2) Mode change
1 COOL mode changes to HEAT mode when 15 minutes have passed with the room temperature 2 degrees below the
set temperature.
2 HEAT mode changes to COOL mode when 15 minutes have passed with the room temperature 2 degrees above the
set temperature.
Description of “AUTO RESTART FUNCTION”
Refer to page 6.
The details of the display on the indoor unit are explained on page 6.
■
NOTE: When the ambient temperature is too high, the room temperature may not reach the set temperature since the unit operates to cool the room under a high load.
Description of “AUTO RESTART FUNCTION”
Refer to page 6.
7
Page 8
1
2
3
4
5
AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT
FAN
VANE
ON/OFF
FAN
TOO
WARM
TOO
COOL
VANE
MODE
ECONO COOL
STOP
START
HR.
MIN.
AMPM
CLOCK
˚C
AMPM
I FEEL
COOL
DRY
AUTO
HEAT
RESET CLOCK
12345
VANE
AIR FLOW velocity and direction can be selected as required.
To change the AIR FLOW velocity, press the
■
Each time the button is pressed, the fan speed is changed in sequence:
(Low) → (Med.) → (High) → (AUTO)
• Use the
(High) notch to cool/heat the room more.
• If the operating sound of the air conditioner disturbs your sleep, use the (Low) notch.
To change the AIR FLOW blowing direction vertically, press the
■
button.
button.
Each time the button is pressed, the angle of the horizontal vane is changed in sequence: 1 → 2 → 3 → 4 → 5 →
SWING OPERATION
Use the swing operation for the air flow to reach all corners of the room.
Recommended horizontal vane range
Use the
(AUTO) position usually.
Use position 1 or 2 in the COOL or DRY mode and use positions 3 to 5 in the HEAT mode when adjusting to your requirements.
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. If the horizontal vane is moved manually, it may cause trouble.
• In the heating operation, if the air flow temperature is too low or when defrosting is being done, the horizontal vane position is set to position 1.
(SWING) → (AUTO)
COOL
DRY
HEAT
AUTO AIR FLOW DIRECTION CONTROL OPERATION
When the AUTO mode is selected with the spond to the operation mode for effective operation.
For the floor standing unit
(1) COOL, DRY (2) HEAT
• The air is blown out upwards. • When the air flow temperature
For the ceiling suspended unit
(1) COOL, DRY (2) HEAT
• The air is blown out horizontally.
NOTE:
• When the operation mode changes in “ position in each mode.
button, the position of the horizontal vane is automatically set to corre-
• When the air flow temperature is too low, the air is blown out up­wards.
• When the air flow temperature is too low, the air is blown out horizontally.
rises, the air is blown out hori­zontally.
• When the air flow temperature rises, the air is blown out down­wards.
(AUTO)” mode, the horizontal vane is automatically changed to the
To change the horizontal direction of the AIR FLOW
■
For the floor standing unit
• Change the direction of the vertical vane manually.
Adjust the vane before operation starts. Since the horizontal vane moves automatically, your fingers may be caught.
8
For the ceiling suspended unit
• Change the direction of the vertical vane manually.
Page 9
ECONO COOL OPERATION
START
HR.
MIN.
HR.
MIN.
START
STOP
HR.
MIN.
HR.
MIN.
STOP
ECONO COOL
ECONO COOL
VANE
FAN
TOO
WARM
TOO
COOL
ON/OFF
FAN
TOO
WARM
TOO
COOL
VANE
MODE
ECONO COOL
STOP
START
HR.
MIN.
AMPM
CLOCK
˚C
AMPM
I FEEL
COOL
DRY
AUTO
HEAT
12345
RESET CLOCK
WHEN THE AIR CONDITIONER IS NOT GOING TO BE
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
■
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 2°C higher than in COOL mode.
button.
To release the ECONO COOL operation:
Press the
■
○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
• When the the ECONO COOL operation, ECONO COOL operation is released.
• The are available.
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 2°C higher, it is possible to perform cooling operation with keeping comfort. As a result, energy can be saved.
button again.
button is pressed or the operation mode is changed during
button, the
or
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
1 Press the
Each time the button is pressed, the ON timer mode alternates between ON and OFF.
2 Set the time of the timer using the
buttons.
Each time the creases by 1 hour; each time the the set time increases by 10 minutes.
Press the
To release the ON timer:
■
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.
button during operation.
button is pressed, the set time in-
button.
and
button is pressed,
How to set the OFF timer
1 Press the
Each time the button is pressed, the OFF timer mode alternates between ON and OFF.
button during operation.
2 Set the time of the timer using the
buttons.
Each time the creases by 1 hour; each time the the set time increases by 10 minutes.
To release the OFF timer:
Press the
■
button is pressed, the set time in-
button.
and
button is pressed,
USED FOR A LONG TIME
When it is not going to be used for a long time:
1 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.)
2 Turn off the breaker and/or disconnect the
power supply plug.
CAUTION: Turn off the breaker and/or disconnect the power sup­ply plug when the air conditioner is not going to be used for a long time. Dirt may collect and this may cause a fire.
3 Remove the batteries from the remote con-
troller.
CAUTION: To prevent liquid leakage, take out all batteries when the remote controller is not going to be used for a long time.
MAINTENANCE
Before starting maintenance
Turn off the breaker and/or disconnect the
■
power supply plug.
CAUTION: When the unit is to be cleaned, switch it off and discon­nect the power supply plug and/or turn off the breaker. Since the fan rotates at high speed during operation, it may cause an injury.
When the air conditioner is to be used again:
1 Clean the air filter and install it in the indoor
unit.
(Refer to page 10 for cleaning instructions.)
2 Check that the air inlet and outlet of the in-
door/outdoor units are not blocked with any obstacles.
3 Check that the earth is connected correctly.
CAUTION: Earth the unit. Do not connect the earth to a gas pipe, water pipe, light­ning rod or the earth of a telephone. If the earthing is incorrect, it may cause an electric shock.
Cleaning the indoor unit
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, polishing powder, or insecticide. The unit may be damaged.
9
Page 10
CLEANING THE AIR FILTER/THE DEODORIZING FILTER
FRONT
FRONT
F R
O
N
T
FRONT
FR
O
NT
FR
O
NT
REPLACEMENT OF THE DEODORIZING FILTER (OPTION)/
(OPTION)
Cleaning the air filter (about once every 2 weeks)
1 Remove the air filter.
• Pull the air inlet knob forward.
(If there is deodorizing or air cleaning filter (OP­TION), please remove it before cleaning the air fil­ter.)
2 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 (50°C or more) is used, the filter may be deformed.
Cleaning the deodorizing filter (about once every 2 weeks)
1 Remove the air filter and the deodorizing fil-
ter together. Then separate the deodorizing filter (Gray sponge type) from the air filter.
• The deodorizing filter is harmless to people. However, to keep its effectiveness, be sure to hold the frame and not to touch the surface of the filter with your hand.
2 Soak the filter together with its frame in luke-
warm water for about 15 minutes.
• If the dirt is noticeable, use a solution of mild deter­gent diluted in lukewarm water.
• If hot water (50°C 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.
AIR CLEANING FILTER (OPTION)
When the capacity is lowered because of dirt, etc., it is necessary to replace the deodorizing filter/air cleaning filter.
Deodorizing filter replacement (about once a year)
1 Remove the air filter and the deodorizing fil-
ter together.
2 Separate the deodorizing filter (Gray sponge
type) from the air filter.
3 Replace a new deodorizing filter and attach
it to the air filter. (Place the catch into the hole of the air filter for the security.)
Air cleaning filter replacement (about once every 4 months)
1 Remove the air filter and the air cleaning fil-
ter together.
2 Separate the air cleaning filter (White bellows
type) from the air filter.
3 Replace a new air cleaning filter and attach it
to the air filter. (Place the catch into the hole of the air filter for the security.)
3 After washing with water/lukewarm water, dry
the air filter well in the shade.
• Do not expose the air filter to direct sunlight or heat from a fire when drying it.
4 Install the air filter.
• Set the air inlet knob.
10
3 After washing with water/lukewarm water, dry
the deodorizing filter well in the shade.
• Do not expose the deodorizing filter to direct sun­light or heat from a fire when drying it.
4 Attach the deodorizing filter to the air filter.
(Place the catch into the hole of the air filter for the security.) Then install both of them to the body.
4 Install the air filter and the deodorizing filter
4 Install the air filter and the air cleaning filter
together.
○○○○○○○○○○○○○○○○○○○○○○○
Deodorizing filter
• Cleaning is necessary about once every 2 weeks. How­ever, if the dirt is noticeable, clean more often.
• When the colour of the filter is not restored even if the filter is washed as the procedure shown on the left (Cleaning the deodorizing filter) or when the filter be­comes black, replace the filter with a new one.
• Standard interval for filter replacement is about 1 year.
Optional parts Optional parts are available from your local dealer.
Name of parts DEODORIZING FILTER AIR CLEANING FILTER
Parts number MAC-1700DF MAC-1200FT
○○○○○○○○○○○○○○○○○○○○○○○
Air cleaning filter
• If the air cleaning filter is clogged, it may lower the unit’s
• The air cleaning filter is disposable. The standard us-
together.
capacity or cause condensation at the air outlet.
able term is about 4 months. However, if the colour of the filter turns to dark brown, replace the filter at once.
Page 11
BEFORE CONTACTING THE SERVICE REPRE-
WHEN YOU THINK THAT TROUBLE HAS OCCURRED
SENTATIVE, CHECK THE FOLLOWING AGAIN
Question
The air conditioner cannot be operated.
The room cannot be cooled or heated sufficiently.
The air from the indoor unit smells strange.
The display on the remote controller does not appear or it is dim. The indoor unit does not respond to the re­mote control signal.
When a power failure oc­curs.
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 disconnect the power supply plug and/or turn off the breaker. Otherwise, the electrical parts may be damaged.
• Is the breaker turned on?
• Is the fuse blown?
• Is the ON timer set? (Page 9)
• Is the temperature setting correct? (Page 7)
• Is the filter clean? (Page 10)
• Are there any obstacles blocking the air inlet or
outlet of the indoor or outdoor unit?
• Is a window or door open?
• Is the filter clean? (Page 10)
• Are the batteries exhausted? (Page 5)
• Is the polarity (+, -) of the batteries correct?
(Page 5)
• Are any buttons on the remote controller of other electric appliances being pressed?
• Does the air conditioner start operating again? If the air conditioner had operated before the 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.)
Check points
Question
The air conditioner cannot be operated for about 3 min­utes when restarted.
Cracking sound is heard.
The air from the indoor unit smells strange.
The fan of the outdoor unit does not rotate even though the compressor is running. Even if the fan starts to ro­tate, it stops soon.
The sound of water flowing is heard.
The sound as burbling is heard.
The room cannot be cooled sufficiently.
Mist is discharged from the air outlet of the indoor unit.
Mechanical sound is heard from the indoor unit.
Answer (not a malfunction)
• This protects the air conditioner according to in­structions from the microprocessor. Please wait.
• This sound is generated by the expansion/con­traction of the front panel, etc. due to change in temperature.
• The air conditioner may suck in an odor adher­ing to the wall, carpet, furniture, cloth, etc. and blow it out with the air.
• When the outside temperature is low, the fan may not operate to maintain sufficient cooling capacity.
• This is the sound of refrigerant flowing inside the air conditioner.
• This is the sound of condensed water flowing in the heat exchanger.
• This is the sound of the heat exchanger defrost­ing.
• This sound is heard when the outside air is ab­sorbed from the drain hose in turning on the 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.
• When a ventilation fan or a gas cooker is used in a room, the cooling load increases, resulting in an insufficient cooling effect.
• When the outside temperature is high, the cool­ing effect may not be sufficient.
• The cool air from the air conditioner rapidly cools moisture in the air inside the room, and it turns into mist.
• This is the switching sound in turning on/off the fan or the compressor.
Question
The air flow direction changes during operation. The direction of the hori­zontal vane cannot be ad­justed with the remote con­troller.
Water leaks from the out­door unit.
White smoke is discharged from the outdoor unit.
Air does not blow out soon in the heating operation.
The operation is stopped for about 10 minutes in the heating operation.
Hissing sound is some­times heard.
The room cannot be heated sufficiently.
The air conditioner starts the operation only with the main power turned on, though you do not operate the unit with the remote controller.
Answer (not a malfunction)
• When the air conditioner is operated in COOL or DRY mode, if the operation continues with air blowing down for 1 hour, the direction of the air flow is automatically set to position 1 to prevent condensed water from dropping.
• In the heating operation, if the air flow tempera­ture is too low or when defrosting is being done, the horizontal vane position is automatically set to position 1.
• During COOL and DRY operations, pipe or pipe connecting sections are cooled and this causes water to condense.
• In the heating operation, the defrosting opera­tion makes water frozen on the outdoor unit melt and drip down.
• In the heating operation, water condensed on the heat exchanger drips down.
• In the heating operation, vapor generated by the defrosting operation looks like white smoke.
• Please wait as the air conditioner is preparing to blow out warm air.
• Defrosting of the outdoor unit is being done (De­frosting operation). Since this is completed in 10 minutes, please wait. (When the external temperature is too low and humidity is too high, frost is formed.)
• This is the sound when the flow of refrigerant inside the air conditioner is switched.
• When the outside temperature is low, the heat­ing effect may not be sufficient.
• These models are equipped with an auto restart function. When the main power is turned off with­out stopping the air conditioner with the remote controller and is turned on again, the air condi­tioner will start operation automatically in the same mode as the one set with the remote con­troller just before the shutoff of the main power.
11
Page 12
This product is designed and intended for use in the residential, commercial and light-industrial environment.
The product at hand is based on the following EU regulations:
• Low Voltage Directive 73/23/ EEC
• Electromagnetic Compatibility Directive 89/336/ EEC
HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
VN79A517H01
Page 13
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