Mitsubishi Electronics Msz Ga22va User Manual

OPERATING INSTRUCTIONS  
For customers  
SPLIT-TYPE AIR CONDITIONERS  
English  
Deutsch  
Français  
Nederlands  
Español  
Italiano  
To use this unit correctly and safely, be sure to read this operating instructions  
before use.  
Bedienungsanleitung  
Für Kunden  
Back to Index  
Um diese Einheit richtig und sicher zu verwenden, unbedingt diese Bedienungs-  
anleitung vor der Inbetriebnahme durchlesen.  
NOTICE D’UTILISATION  
A lattention des clients  
Pour avoir la certitude dutiliser cet appareil correctement et en toute sécurité, veuillez  
lire attentivement cette notice dinstructions avant de mettre lappareil en fonction.  
OPERATING INSTRUCTIONS  
INDOOR UNIT  
MSZ-GA22VA  
MSZ-GA25VA  
MSZ-GA35VA  
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 questunità, leggere questo libretto distruzioni atten-  
tamente e per intero.  
√¢∏°π∂™ §∂π∆√Àƒ°π∞™  
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∂ÏÏËÓÈο  
Português  
Dansk  
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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  
Svenska  
Türkçe  
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  
Русский  
Для обеспечения правильного и безопасного использования прибора следует  
до начала его эксплуатации внимательно прочитать данное руководство.  
SAFETY PRECAUTIONS  
NAME OF EACH PART  
Indoor unit  
CAUTION  
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.  
Air inlet  
Front panel  
Heat exchanger  
Do not put a stove, etc. where they are exposed to direct airflow.  
This may cause imperfect combustion.  
Air cleaning filter  
(Optional parts, Anti-  
Allergy Enzyme Filter,  
Blue bellows type)  
When the unit is to be cleaned, switch it off and disconnect the power supply plug or turn off the  
breaker.  
Since the fan rotates at high speed during operation, this may cause an injury.  
Catechin air filter  
When the unit is not going to be used for a long time, disconnect the power supply plug 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.  
Fan guard  
Air outlet  
Vertical vane  
Horizontal vane  
Fan  
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.  
Remote controller  
Display section  
Operation section  
(When the front panel is opened)  
Operation Indicator  
lamp  
For installation  
WARNING  
Consult your dealer for installation of the air conditioner.  
Remote control  
receiving section  
Emergency operation switch  
CAUTION  
Do not install the unit where flammable gas could leak.  
Outdoor unit  
If gas leaks and collects around the unit, it may cause an explosion.  
MUZ-GA25/35VA (H)  
Earth the unit.  
-QUICK CLEAN KIT-  
(For Indoor 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.  
Air inlet (back and side)  
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.  
Piping  
Brush  
Drainage hose  
Nozzle  
Air outlet  
Universal adapter  
Drain outlet  
3
NAME OF EACH PART  
PREPARATION BEFORE OPERATION  
Remote controller  
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.  
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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 functionsets  
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  
Outdoor unit  
Insert the power supply plug into the power outlet and/or turn the breaker on.  
Temperature buttons  
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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.  
Open the front lid.  
Remoto controller  
Use the remote controller provided with the unit only. Do not use other remote controller.  
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(This diagram shows an overall view.)  
Fan speed control button  
Operation select button  
ECONO COOL button  
Off-timer button  
On-timer button  
TIME set buttons  
Forward button  
Backward button  
CLOCK set button  
Vane control button  
RESET button  
4
PREPARATION BEFORE OPERATION  
Handling of the remote controller  
Remote controller  
When the remote controller cannot be used (emergency operation)  
The range that the signal can reach is about 6 m when  
the remote controller is pointed at the front of the in-  
door unit.  
When a button is pressed, one or two beeps will be  
heard from the indoor unit. If no sound is heard, op-  
erate again.  
Use the remote controller carefully.  
If it is dropped, thrown or it gets wet, the remote con-  
troller may not operate.  
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.  
How to set the batteries and the current time  
1 Remove the front lid and insert batteries.  
1 Press the EMERGENCY OPERATION switch.  
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).  
Then reattach the front lid.  
Each time the EMERGENCY OPERATION switch is  
pressed, the unit will operate in order of EMER-  
GENCY COOL MODE, EMERGENCY HEAT MODE  
and STOP MODE.  
Insert the minus pole of the batteries first.  
Check if the polarity of the batteries is correct.  
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.  
When installing on a wall, etc.  
Install the remote controller holder in a position where  
the signal reception sound (beep) can be heard from  
Insert the minus pole  
of the batteries first.  
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.  
2 Press the RESET button.  
Press using a  
thin stick.  
Remote controller  
holder  
Details of EMERGENCY MODE are as shown be-  
low. 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 min-  
utes.  
If the RESET button is not pressed, the remote con-  
troller may not operate correctly.  
Be sure to press the RESET button not too strongly.  
Dry-cell batteries  
I 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.  
3 Press the CLOCK set button.  
Press using a  
thin stick.  
Operation mode  
Set temperature  
Fan speed  
COOL  
24°C  
HEAT  
24°C  
Medium  
Auto  
Medium  
Auto  
Horizontal vane  
Do not use manganese batteries. The remote controller  
could malfunction.  
4 Press the  
(Forward) and  
(Back-  
The operation mode is indicated by the Operation  
Indicator lamp on the indoor unit as following fig-  
ure.  
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.  
ward) buttons (TIME SET buttons) to set the  
current time.  
Operation Indicator lamp  
To prevent liquid leakage, take out all batteries when  
the remote controller is not going to be used for a  
long time.  
EMERGENCY COOL  
EMERGENCY HEAT  
STOP  
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.  
Each time the  
increases by 1 minute, and each time the  
ton is pressed, the set time decreases by 1 minute.  
Pressing those buttons longer increases/decreases  
the set time by 10 minutes.  
button is pressed, the set time  
but-  
Do not use rechargeable batteries.  
Replace the 2 batteries with new ones of the same  
type.  
Dispose of exhausted batteries in the correct man-  
ner.  
5 Press the CLOCK set button again and close  
the front lid.  
5
AUTO CHANGEOVER... AUTO MODE OPERATION  
An automatic cooling and heating changeover operation system ensures easy control and year-round  
air conditioning.  
Description of AUTO RESTART FUNCTION”  
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.  
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.  
To select the AUTO mode:  
If the unit is operated in “  
AUTOmode before power failure, the operation mode (COOL, DRY or HEAT) is not  
ON/OFF  
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.  
1 Press the  
button.  
MODE  
2 Select the  
(AUTO) mode by pressing the  
button.  
Information for multi system air conditioner  
Each time this button is pressed, the operation mode is changed in sequence:  
(AUTO) (COOL) (DRY) (HEAT)  
The set temperature is also displayed on the remote controller.  
Multi system air conditioner can connect two or more indoor units with one outdoor unit. According to the  
capacity, two or more units can operate simultaneously.  
When you try to operate two or more indoor units with one outdoor unit simultaneously, one for the cooling and the other  
for heating, the operation mode of the indoor unit that operates earlier is selected.The other indoor units that will start the  
operation later cannot operate, indicating an operation state. (Refer to the table of Operation Indicator lamp below.)  
In this case, please set all the indoor units to the same operation mode.  
To stop operation:  
ON/OFF  
Press the  
button.  
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When indoor unit starts the operation while the defrosting of outdoor unit is being done, it takes a few minutes (max.  
10 minutes) to blow out the warm air.  
In the heating operation, the indoor unit that does not operate may get warm or the sound of refrigerant flowing may be  
heard. This is not a malfunction since the refrigerant continuously flows into the indoor unit that does not operate.  
After the operation mode is set once, the operation starts in the same mode as  
ON/OFF  
the one set previously from the next time by simply pressing the  
button.  
Details of display on the indoor unit  
The operation indicator at the right side of the indoor unit indicates the operation state.  
When the set temperature is to be changed:  
I
TOO  
WARM  
Lighted  
Press the  
button to lower the temperature. One press lowers the temperature by about 1°C.  
Operation Indicator  
Blinking  
TOO  
COOL  
Not lighted  
Press the  
button to raise the temperature. One press raises the temperature by about 1°C.  
Description of AUTO CHANGEOVER”  
Operation indicator lamp  
(1) Initial mode  
Difference between target  
temperature and room temperature  
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  
Indication  
Operation state  
This shows that the air conditioner is operating to reach the  
target temperature. Please wait until the target temperature  
is obtained.  
About 2°C or more  
1 COOL mode changes to HEAT mode when about 15 minutes have passed with the room temperature 2 degrees  
below the set temperature.  
2 HEAT mode changes to COOL mode when about 15 minutes have passed with the room temperature 2 degrees  
above the set temperature.  
This shows that the room temperature is approaching the  
target temperature.  
About 2°C or less  
NOTE:  
If two or more indoor units are operating in multi system, there might be a case that the indoor unit, which is  
operating in (AUTO), cannot change over to the other operating mode (COOLHEAT) and becomes a state of  
This shows a state of standby for operation.  
Please refer to Information for multi system air conditioner  
above.  
standby. Refer to the detailed information for multi system air conditioner explained on the right.  
6
AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT  
MANUAL OPERATION (COOL, DRY, HEAT)  
AIR FLOW velocity and direction can be selected as required.  
To select the COOL, DRY or HEAT mode:  
FAN  
ON/OFF  
To change the AIR FLOW velocity, press the  
button.  
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1 Press the  
button.  
Each time the button is pressed, the fan speed is changed in sequence:  
(Low) →  
(Med.) →  
(High) →  
(Super High)→  
(AUTO)  
MODE  
2 Select the operation mode by pressing the  
button.  
Use the  
(Super High) notch to cool/heat the room more efficiently.  
Each time this button is pressed, the operation mode is changed in sequence:  
(AUTO) (COOL) (DRY) (HEAT)  
If the operating sound of the air conditioner disturbs your sleep, use the  
(Low) notch.  
To stop operation:  
To change the AIR FLOW blowing direction vertically, press the  
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ON/OFF  
VANE  
Press the  
button.  
button.  
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After the operation mode is set once, the operation starts in the same mode as  
Each time the button is pressed, the angle of the horizontal vane is changed in  
ON/OFF  
the one set previously from the next time by simply pressing the  
button.  
sequence:  
(1) →  
(2) →  
(3) →  
(4) (SWING) →  
(AUTO)  
SWING OPERATION  
Use the swing operation for the air flow to reach all corners of the room.  
Recommended horizontal vane range  
Use the  
Use position  
use positions  
(AUTO) position usually.  
COOL  
DRY  
1
2
(1) in the COOL or DRY mode and  
(2) to  
(4) in the HEAT mode when  
adjusting to your requirements.  
3
HEAT  
When the set temperature is to be changed:  
I
I
TOO  
WARM  
Press the  
button to lower the temperature. One press lowers the temperature by about 1°C.  
4
TOO  
COOL  
Press the  
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 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 doesnt cool or heat effectively…  
If the fan speed is set to Low or AUTO, sometimes the air conditioner may not cool or heat the air effectively. In this case,  
change the fan speed to Med. or upper.  
Change the fan speed.  
Fan speed: Low or AUTO  
Fan speed: Med. or upper  
7
AIR FLOW VELOCITY AND DIRECTION ADJUSTMENT  
Movement of the horizontal vane  
To change the horizontal direction of the air flow, move the vertical vane manually.  
I
COOL/DRY  
HEAT  
At the start  
of heating  
operation  
When air  
becomes  
warm…  
Horizontal  
position  
Very small  
air flow  
Horizontal position  
Position (4)  
The vane automatically moves to horizontal position.  
It will not swing.  
Immediately after the air conditioner starts operat-  
ing, the vane stays at horizontal position. Once the  
air from the indoor unit becomes sufficiently warm,  
the vane moves to position (4).  
Once the air conditioner starts operating, the fan  
speed increases gradually as the air from the indoor  
unit gets warmer, and continues until the set speed  
is finally reached.  
NOTE:  
Adjust the vane before operation starts.  
Since the horizontal vane moves automatically, your fingers may be caught.  
Air blows out upper than position (1).  
To constantly change the air flow direction, select  
VANE  
(SWING) with the  
button.  
To change the air flow direction not to blow directly onto your body.  
To change the air  
flow direction  
When to use this function?  
COOL/DRY  
HEAT  
At the start  
of heating  
operation  
Pressing and hold-  
Use this function if you dont  
want the air from the indoor  
unit to blow directly onto your  
body.  
The air conditioner starts the  
cooling or drying operation  
approx. 3 minutes after the  
vane has moved to the hori-  
The air conditioner starts heat-  
ing operation approx. 3 min-  
utes after the vane has moved  
to the horizontal position.  
VANE  
After  
around 0.5  
to 1 hour  
ing the  
button  
for 2 seconds or  
more causes the  
horizontal vane to  
reverse and move  
to horizontal posi-  
tion.  
When air  
becomes  
warm…  
Position (1)  
Horizontal  
position  
Depending on the shape  
of the room, the air may  
blow directly onto your  
zontal position.  
Sometimes the area  
around your feet may not  
warm. To warn the area  
around the feet, set the  
horizontal vane to  
Very small  
air flow  
VANE  
Set position  
When the  
button is  
When the air flow direction is  
set to position (2), (3) or (4)  
pressed again, the vane  
returns to the previously-  
set position and the air  
conditioner starts the cool-  
ing or drying operation in  
approx. 3 minutes.  
body.  
VANE  
After around one hour of operation, the air condi-  
tioner automatically moves the vane to position (1).  
To change the air flow direction to the original set-  
ting, operate the VANE button on the remote con-  
troller again.  
Immediately after the air conditioner starts operat-  
ing, the vane stays at horizontal position. Once the  
air from the indoor unit becomes sufficiently warm,  
the vane moves to the position corresponding to the  
set direction of air flow.  
Press the  
button  
again to return the vane to  
the previously-set position.  
(AUTO) or the downward-  
blowing position.  
VANE  
Horizontal  
position  
When the  
button is  
pressed again, the vane re-  
turns to the previously-set  
position and the air condi-  
tioner starts heating opera-  
tion in approx. 3 minutes.  
The vane does not move to the straight-down posi-  
tion in the COOL and DRY mode.  
Once the air conditioner starts operating, the fan  
speed increases gradually as the air from the indoor  
unit gets warmer, and continues until the set speed  
is finally reached.  
The vane moves intermittently between positions (1)  
and (4). The vane stops for a brief period at posi-  
tions (1) and (4).  
The vane moves intermittently between positions (2)  
and (4).The vane stops for a brief period at positions  
(2) and (4).  
(1)  
(2)  
(4)  
(4)  
NOTE:  
Adjust the vertical AIR FLOW direction using the remote controller. Moving the horizontal vane manually can cause  
trouble.  
When the operation mode changes in “  
(AUTO)mode, the horizontal vane is automatically changed to the posi-  
tion in each mode.  
8
ECONO COOL OPERATION  
Use this operation when you want to be comfortable in COOL mode even with energy saved.  
WHEN THE AIR CONDITIONER IS NOT GOING TO BE  
USED FOR A LONG TIME  
Perform the following operations while the unit is operat-  
ing in the MANUAL COOL mode.  
When it is not going to be used for a long  
time:  
When the air conditioner is to be used  
again:  
ECONO COOL  
Press the  
button.  
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1 Clean the air filter and install it in the indoor  
1 Perform the FAN operation for 3 or 4 hours  
When the  
(ECONO COOL) operation is selected in COOL mode, the air  
to dry the inside of the air conditioner.  
unit.  
conditioner performs swing operation vertically in various cycle according to the  
temperature of air conditioner.  
Also SET TEMPERATURE is automatically set 2°C higher than in COOL mode.  
To perform FAN operation, set the remote control-  
ler to the highest temperature in the MANUAL COOL  
mode. (Refer to page 7.)  
(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.  
To release the ECONO COOL operation:  
2 Turn off the breaker and/or disconnect the  
ECONO COOL  
power supply plug.  
Press the  
button again.  
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3 Check that the earth is connected correctly.  
VANE  
CAUTION:  
When the  
button is pressed or the operation mode is changed during  
Turn off the breaker or disconnect the power supply plug  
when the air conditioner is not going to be used for a  
long time.  
the ECONO COOL operation, ECONO COOL operation is released.  
CAUTION:  
Earth the unit.  
Do not connect the earth to a gas pipe, water pipe, light-  
ning rod or the earth of a telephone. If the earthing is  
incorrect, it may cause an electric shock.  
TOO  
TOO  
WARM  
COOL  
FAN  
The  
button, the  
or  
button and ON/OFF timer (explained below)  
Dirt may collect and this may cause a fire.  
are available.  
3 Remove the batteries from the remote con-  
What is ECONO COOL?  
troller.  
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.  
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)  
MAINTENANCE  
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  
How to set the OFF timer  
Before starting maintenance  
Cleaning the indoor unit  
START  
STOP  
1 Press the  
button during operation.  
1 Press the  
button during operation.  
Turn off the breaker and/or disconnect the  
power supply plug.  
Clean the unit using a soft dry cloth.  
I
I
Each time the button is pressed, the ON timer mode  
Each time the button is pressed, the OFF timer mode  
If the dirt is noticeable, wipe the unit with a cloth  
soaked in a solution of mild detergent diluted in luke-  
warm water.  
alternates between ON and OFF.  
alternates between ON and OFF.  
2 Set the time of the timer using the TIME but-  
2 Set the time of the timer using the TIME but-  
CAUTION:  
Do not use gasoline, benzine, polishing powder, or  
insecticide. The unit may be damaged.  
The front panel may come off if it is lifted up past its  
level position. If the front panel comes off, refer to  
step 3 in CLEANING THE FRONT PANEL.  
tons  
(Forward) and  
(Backward).  
tons  
(Forward) and  
(Backward).  
When the unit is to be cleaned, switch it off and discon-  
nect the power supply plug or turn off the breaker. Since  
the fan rotates at high speed during operation, it may  
cause an injury.  
Each time the  
button is pressed, the set time  
Each time the  
button is pressed, the set time in-  
increases by 10 minutes; each time the  
button is  
creases by 10 minutes; each time the  
button is  
pressed, the set time decreases by 10 minutes.  
pressed, the set time decreases by 10 minutes.  
To release the OFF timer:  
To release the ON timer:  
STOP  
START  
Press the  
button.  
I
Press the  
button.  
I
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.  
9
CLEANINGTHE FRONT PANEL, HEAT EXCHANGER AND FAN  
CLEANING THE CATECHIN AIR FILTER  
Front panel  
Heat exchanger  
Cleaning the catechin air filter (about once every 2 weeks)  
1 Hold both ends of the front panel and lift the  
panel up until a clickis heard. (1) Holding  
the hinges, lift the panel up until it is level,  
and pull the hinges forward to remove the  
front panel. (2)  
Remove the catechin air filter before clean-  
ing the heat exchanger.  
I
1 Remove the catechin air filter.  
3 After washing with water/lukewarm water, dry  
the catechin air filter well in the shade.  
Open the front panel, then  
remove/replace the filter.  
Do not expose the catechin air filter to direct sun-  
light or heat from a fire when drying it.  
Catechin air  
filter  
1
2
Remove.  
CAUTION:  
Heat exchanger  
When the catechin air filter is to be removed, do not touch  
the metal parts of the indoor unit.  
This may cause an injury.  
You can sweep the surface of heat exchanger if you install  
the brush of QUICK CLEAN KIT to your vacuum cleaner.  
Please refer to the instructions described in QUICK CLEAN  
KIT for details (packaged in outdoor unit).  
4 Install the catechin air filter.  
Hinge  
Hole  
2 Remove dirt from the catechin air filter us-  
ing a vacuum cleaner or by washing the fil-  
ter with water.  
(Securely install its tabs.)  
CAUTION:  
Do not drop the front panel or pull it out forcibly.  
The panel may be damaged.  
Do not step onto an unstable bench when removing or  
installing the front panel.  
WARNING:  
Do not touch the heat exchanger directly with your  
hands. Otherwise you may get injured. (Its recom-  
mended to protect your hands with a pair of gloves.)  
Do not wash with scrubbing brush or hard surface  
of sponge. Otherwise, the filter may deform.  
If the dirt is noticeable, wash the filter with a solu-  
tion of mild detergent diluted in lukewarm water.  
If hot water (50 °C or more) is used, the filter may  
be deformed.  
This may cause an injury, etc. if you fall down.  
CAUTION:  
Install.  
Do not step onto an unstable bench when cleaning.  
Otherwise you may fall down and get injured.  
Use only the brush of QUICK CLEAN KIT. Do not use  
other stuffs. Otherwise the heat exchanger of the in-  
door unit may get damaged.  
2 Wipe the front panel with a soft dry cloth or  
wash it with water.  
After washing the panel, wipe up the remain-  
ing water with a soft dry cloth and let it dry  
out of direct sunlight.  
NOTE:  
If the dirt is noticeable, wipe the front panel with a  
cloth soaked in a solution of mild detergent diluted  
in lukewarm water.  
The QUICK CLEAN KIT can only be fitted to a vacuum  
cleaner with a hose/tube diameter (inside diameter) of  
32 to 39 mm. Refer to the instructions of the QUICK  
CLEAN KIT packaged in outdoor unit for more details.  
Do not use gasoline, benzine, thinner, polishing  
powder, or insecticide and do not wash the front  
panel with a scrubbing brush or the hard surface of  
a sponge.  
Fan  
What is Catechin air filter?  
Do not soak the front panel in water/lukewarm wa-  
ter longer than two hours and do not expose the  
panel to direct sunlight, heat, or flames when dry-  
ing it. The panel may be deformed or discolored.  
Refer to page 12 for cleaning the fan.  
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.  
3 Hold both ends of the front panel, keep the  
panel level, and insert the hinges into the  
holes on the upper part of the indoor unit  
until they click into place. Then, close the  
front panel securely and press the three po-  
sitions on the front panel as indicated by the  
arrows.  
10  
CLEANING THE AIR CLEANING FILTER (OPTION)  
REPLACEMENT OF THE AIR CLEANING FILTER (OPTION)  
When the capacity is lowered because of dirt, etc., it is necessary to replace the air cleaning filter.  
Cleaning the air cleaning filter (about once every 3 months)  
1 Remove the catechin air filter (left one).  
3 Soak the filter together with its frame in luke-  
Air cleaning filter replacement (about once every year)  
warm water and wash it.  
The air cleaning filter is not attached to the right side  
catechin air filter.  
3 Attach a new air cleaning filter to the catechin  
air filter so that all 8 tabs on the catechin air  
filter are securely installed.  
I If the dirt is noticeable, use a solution of mild deter-  
gent diluted in lukewarm water.  
I If hot water (50°C or more) is used, the filter may be  
deformed.  
1 Remove the catechin air filter (left one).  
The air cleaning filter is not attached to the right side  
catechin air filter.  
Catechin air  
filter  
I Do not use a scrubbing brush or sponge. This may  
damage the surface of the filter.  
I Do not use a chlorine detergent.  
Catechin air  
filter  
2 Pull up the tabs on both sides of the air clean-  
ing filter with your finger and remove the air  
cleaning filter (blue bellows type) from the  
catechin air filter.  
2 Pull up the tabs on both sides of the air clean-  
ing filter with your finger and remove the air  
cleaning filter (blue bellows type) from the  
catechin air filter.  
4 After rinsing with water/lukewarm water,  
shake off the excess water and dry the filter  
well in the shade.  
4 Install the catechin air filter. (Securely install  
its tabs.)  
I Do not expose the filter to direct sunlight or heat  
from a fire when drying it.  
Catechin air filter  
(Back side)  
5 Securely close the front panel.  
Catechin air filter  
(Back side)  
Air cleaning filter  
If the air cleaning filter is clogged, it may lower the units 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.  
AIR CLEANING FILTER  
(Anti-Allergy Enzyme Filter)  
Name of parts  
Parts number  
MAC-415FT-E  
This optional part is for the replacement of the left side filter only. No optional part is available for the right side filter.  
11  
CLEANING THE AIR OUTLET AND FAN OF THE INDOOR UNIT  
4 Clean the air outlet and fan of the indoor unit. (Make sure the fan has stopped.)  
Before cleaning  
Switch the indoor unit off with the remote  
controller and disconnect the power supply  
plug and/or turn off the breaker, otherwise  
you may get injured since the fan of the in-  
door unit rotates at high speed during op-  
eration.  
Be careful not to injure your hands.  
If the air outlet or fan is dirty, moldy, or dusty, clean with a wet or dry soft cloth or with the brush of QUICK CLEAN KIT  
which is installed to a vacuum cleaner. If the dirt is noticeable around the air outlet, clean with a cloth soaked in a  
solution of mild detergent diluted in lukewarm water.  
Cleaning  
Please refer to the instructions described in QUICK CLEAN KIT for the details of the way to clean with the brush of  
QUICK CLEAN KIT. (packaged in outdoor unit).  
1 Manually move the horizontal vane to the end towards you, and make sure the fan has stopped.  
Do not use gasoline, benzine and polishing powder.  
Do not use excessive force to the fan. Otherwise, it may be cracked.  
5 Put the vertical vanes back to their original positions one by one.  
Upward.  
Hold the tab of each vertical vane and insert the  
Push each vertical vane until it clicks into place.  
2
1
vertical vanes into their respective grooves.  
2 Remove the horizontal vane. Be sure to hold horizontal vane when unlocking the stoppers.  
Follow the procedure,  
and  
, to remove the horizontal vane.  
1
2
Groove  
Stopper  
2
1
Be sure to hold the tabs to install the vertical vanes, otherwise the vanes can be damaged.  
Do not use excessive force to the fan guard during this procedure. The fan guard may be deformed and the vanes  
may not work properly.  
Right  
Unlock.  
Lock.  
Put the vertical vanes back correctly to their original positions. Otherwise, condensed water may drip down from the  
indoor unit or the horizontal vane could malfunction.  
Unlock.  
6 Install the horizontal vanes. (Reverse the removal procedures.)  
Stopper  
2
1
Left  
Lock.  
3 Swing the vertical vanes out one by one.  
Holding the unit lightly with one hand, grab the  
tab of each vertical vane with the other hand and  
pull it downward to swing out each vertical vane.  
Hold the tab of each vertical vane and move the ver-  
tical vanes in the directions of the arrows.  
The vanes cannot be removed.  
2
1
Insert this end first.  
Pull towards you.  
In procedure  
lock the stoppers until they click into place.  
2
After Cleaning  
Insert the power supply plug into the power outlet and/or turn on the breaker.  
Check that all LED lamps are not blinking.  
Cannot be  
removed.  
Swing to the left.  
Swing to the right.  
Tab  
If they are blinking, the horizontal vane is not installed correctly.  
In this case, disconnect the power supply plug and/or turn off the breaker, and then reinstall the horizontal vane by  
following the procedures in step 6.  
Be sure to hold the tab to swing out the vertical vanes, otherwise the vanes can be damaged.  
Do not use excessive force to the fan guard during this procedure. The fan guard may be deformed and the vanes  
may not work properly.  
If you operate the air conditioner after cleaning the air outlet and fan, do not get close to the air outlet as any remaining dirt  
may be discharged.  
12  
BEFORE CONTACTINGTHE SERVICE REPRE- WHENYOU THINK THAT TROUBLE HAS OCCURRED  
SENTATIVE, CHECKTHE FOLLOWING AGAIN  
Question  
Answer (not a malfunction)  
Question  
Answer (not a malfunction)  
The air conditioner cannot This protects the air conditioner according to in-  
The air flow direction  
changes during operation.  
The direction of the hori-  
zontal vane cannot be ad-  
justed with the remote con-  
troller.  
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 pre-  
vent condensed water from dropping.  
In the heating operation, if the air flow tempera-  
ture is too low or when defrosting is being done,  
the horizontal vane position is automatically set  
to horizontal.  
Question  
Check points  
be operated for about 3 min-  
utes when restarted.  
structions from the microprocessor. Please wait.  
The air conditioner cannot Is the breaker turned on?  
be operated.  
Is the fuse blown?  
Is the ON timer set? (Page 9)  
Cracking sound is heard.  
This sound is generated by the expansion/con-  
traction of the front panel, etc. due to change in  
temperature.  
All LED lamps on the indoor Is the horizontal vane attached to the indoor unit  
unit are blinking. correctly? (Page 12)  
The air from the indoor unit The air conditioner may suck in an odor adher-  
smells strange.  
ing to the wall, carpet, furniture, cloth, etc. and  
blow it out with the air.  
Water leaks from the out- During COOL and DRY operations, pipe or pipe  
The horizontal vane does Are the horizontal vane and the vertical vane  
door unit.  
connecting sections are cooled and this causes  
water to condense.  
not move.  
attached to the indoor unit correctly? (Page 12)  
The fan of the outdoor unit When the outside temperature is low, the fan  
Is the fan guard deformed?  
does not rotate even though  
the compressor is running.  
Even if the fan starts to ro-  
tate, it stops soon.  
may not operate to maintain sufficient cooling  
capacity.  
In the heating operation, the defrosting opera-  
tion makes water frozen on the outdoor unit melt  
and drip down.  
In the heating operation, water condensed on  
the heat exchanger drips down.  
The room cannot be cooled Is the temperature setting correct? (Page 7)  
or heated sufficiently.  
Is the filter clean? (Page 10)  
Is the fan of the indoor unit clean? (Page 12)  
Are there any obstacles blocking the air inlet or  
outlet of the indoor or outdoor unit?  
Is a window or door open?  
The sound of water flowing This is the sound of refrigerant flowing inside  
White smoke is discharged In the heating operation, vapor generated by the  
from the outdoor unit. defrosting operation looks like white smoke.  
is heard.  
the air conditioner.  
This is the sound of condensed water flowing in  
the heat exchanger.  
This is the sound of the heat exchanger defrost-  
ing.  
The air from the indoor unit Is the filter clean? (Page 10)  
Air does not blow out soon Please wait as the air conditioner is preparing  
in the heating operation. to blow out warm air.  
smells strange.  
Is the fan of the indoor unit clean? (Page 10)  
The display on the remote Are the batteries exhausted? (Page 5)  
controller does not appear Is the polarity (+, -) of the batteries correct?  
The operation is stopped Defrosting of the outdoor unit is being done (De-  
The sound as burbling is This sound is heard when the outside air is ab-  
for about 10 minutes in the  
heating operation.  
frosting operation).  
or it is dim. The indoor unit  
does not respond to the re- Are any buttons on the remote controller of other  
mote control signal. electric appliances being pressed?  
(Page 5)  
heard.  
sorbed 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.  
Since this is completed in 10 minutes, please  
wait. (When the external temperature is too low  
and humidity is too high, frost is formed.)  
When a power failure oc- Does the air conditioner start operating again?  
Hissing sound is some- This is the sound when the flow of refrigerant  
times heard. inside the air conditioner is switched.  
curs.  
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 Descrip-  
tion of AUTO RESTART FUNCTIONon page  
6.)  
The room cannot be cooled When a ventilation fan or a gas cooker is used  
The room cannot be heated When the outside air temperature is low, the  
sufficiently. heating effect may not be sufficient.  
sufficiently.  
in a room, the cooling load increases, resulting  
in an insufficient cooling effect.  
When the outside air temperature is high, the  
cooling effect may not be sufficient.  
In a multi-unit system, the A small amount of refrigerant continues to flow  
indoor unit which is not op-  
erating becomes warm and  
a sound, similar to water  
flowing, is heard from the  
unit.  
into the indoor unit even though it is not operat-  
ing.  
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.  
Mist is discharged from the The cool air from the air conditioner rapidly cools  
air outlet of the indoor unit.  
moisture in the air inside the room, and it turns  
into mist.  
In the following cases, stop using the air conditioner and consult your dealer.  
Mechanical sound is heard This is the switching sound in turning on/off the  
from the indoor unit. fan or the compressor.  
The air conditioner starts These models are equipped with an auto restart  
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 af-  
fected device.  
the operation only with the  
main power turned on,  
though you do not operate  
the unit with the remote  
controller.  
function.When the main power is turned off with-  
out stopping the air conditioner with the remote  
controller and is turned on again, the air condi-  
tioner will start operation automatically in the  
same mode as the one set with the remote con-  
troller just before the shutoff of the main power.  
The swing operation of the This is for the swing operation of the HORIZON-  
HORIZONTAL VANE is sus-  
pended for about 15 sec-  
onds, then restarted.  
TAL VANE to be performed normally.  
When thunder is heard, stop operation and disconnect the power supply plug  
or turn off the breaker. Otherwise, the electrical parts may be damaged.  
13  
INSTALLATION, RELOCATION AND INSPECTION  
CAUTION:  
Earth the unit.  
The installation location of the outdoor unit should be  
at least away from the antennas for TV sets,  
radios, etc. In areas where the reception is weak, pro-  
vide 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.  
Installation place  
Avoid installing the air conditioner in the following places.  
3
m
Inverter-type  
fluorescent lamp  
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.).  
To prevent the effects  
of a fluorescent lamp,  
keep as far apart as  
possible.  
Where flammable gas could leak.  
wall, etc.  
CAUTION:  
Well-  
Do not install the unit where flammable gas could leak.  
If gas leaks and collects around the unit, it may cause  
an explosion.  
ventilated  
dry place  
If the earth leakage breaker is not installed, it may cause an electric shock.  
Keep a space  
to prevent the  
picture  
distortion or  
the noise.  
100 mm or  
more  
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.  
Inspection and maintenance  
1 m  
or more  
200 mm or  
more  
TV  
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.  
1 m  
or more  
Cordless  
phone or  
Portable  
Radio  
3 m  
phone  
or more  
Where there is high-frequency or wireless equipment.  
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.  
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  
Electrical work  
When the air conditioner is to be removed or re-installed because of rebuilding, moving, etc., special techniques and work  
are required.  
Provide an exclusive circuit for the power supply of the air conditioner.  
Be sure to observe the breaker capacity.  
WARNING:  
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.  
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.  
Do not use intermediate connection of the power supply cord or the extension cord and do not connect many  
devices to one AC outlet.  
Disposal  
To dispose of this product, consult your dealer.  
A fire or an electric shock may result from poor contact, poor insulation, exceeding the permissible current, etc.  
Consult your dealer.  
If you have any questions, consult your dealer.  
SPECIFICATIONS  
NOTE:  
1. Rating condition  
3. GA22 has no specifications for single com-  
bination. This indoor model is only for  
multi system air conditioner.  
As for the specifications of multi system,  
please confirm your dealer and/or refer to  
the catalogue.  
MSZ-GA22VA  
MSZ-GA25VA(H)  
MSZ-GA25VA  
MUZ-GA25VA(H)  
MSZ-GA35VA(H)  
MSZ-GA35VA  
MUZ-GA35VA(H)  
Set name  
Indoor  
Outdoor  
Model  
Cooling Indoor:  
27°C DB, 19°C WB  
Outdoor: 35°C DB  
20°C DB  
Outdoor: 7°C DB, 6°C WB  
Cooling  
Heating  
Cooling  
Heating  
Cooling  
Heating  
Function  
Power supply  
Capacity  
Input  
~ /N, 230V, 50Hz  
Heating Indoor:  
2.5  
3.2  
3.5  
4.0  
kW  
kW  
kg  
0.64  
0.76  
1.08  
1.055  
9
31  
Weight  
Indoor  
Outdoor  
Refrigerant filling  
capacity (R410A)  
2. Guaranteed operating range  
33  
kg  
Outdoor  
0.85  
0.90  
kg  
Indoor  
MUZ-GA25/35VA MUZ-GA25/35VAH  
IP 20  
Indoor  
Outdoor  
32°C DB  
23°C WB  
21°C DB  
15°C WB  
27°C DB  
46°C DB  
46°C DB  
IP code  
IP 24  
Upper limit  
Lower limit  
Upper limit  
Lower limit  
Permissible  
excessive  
operating  
pressure  
Cooling  
Heating  
1.64  
4.15  
LP ps  
MPa  
MPa  
-10°C DB  
-10°C DB  
HP ps  
24°C DB  
18°C WB  
-10°C DB  
-11°C WB  
24°C DB  
18°C WB  
-20°C DB  
-21°C WB  
Indoor (Super High/  
High/Med./Low)  
Outdoor  
43/36/29/21  
43/36/29/22  
47 48  
dB(A)  
dB(A)  
Noise level  
20°C DB  
46  
14  
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  
SG79Y402H01  
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