Mitsubishi PSA012B790 Manual Do Utilizador

5

The mode changes to timer mode.
“Current day of the week” and “Current time ” are displayed.
[EXAMPLE] Sunday : 1 o’clock in the afternoon

Display area : 

 [

]

[

]

[

] (lights)

▲ or ▼ button.

By pressing 

▼ or ▲ button, it is possible to choose the item to set.

[

] (set to current time)



[

]  (Every operation stops after a certain period 

of time has elapsed.)



[

]  (The unit stops operating at the setting 

time.)



[

]  (The unit starts operating at the setting 

time.)



[

] (Timer set for each day of the week)



[

] (Cancel the timer setting)

If you press the 

 RESET button, timer mode ends and return 

to original status.

The selected timer mode is set.

For setting of each timer mode, see the following pages.

The possible combination of the timer function is mentioned in the 
following table.

: possible ×: impossible)

 

If you select a combination of modes that cannot be set together 
and press the 

 SET button, the message “

 

(invalid operation)” is displayed for 3 seconds and then the 
display returns to the one selected in step 

.

•  If you press 

 button while timer mode is under setting, timer mode is canceled and the display will return 

to the original one. Note that the setting which has not completed is canceled.

•  If you have set the ON timer mode and either the OFF timer or Sleep timer mode at the same time, the OFF timer 

(or Sleep timer) precedes the ON timer.

•  If you press the 

 Timer button and “

” is displayed, the button can not be operated because the 

button operation is disabled. If you want to make the button effective , consult your dealer.

•  If you do not press any button for several minutes after pressing the 

 Timer button, Timer mode ends and the 

display returns to the original one.

•  When the weekly timer setting recovers from power failures, the setting data (four settings per day) remain stored, 

but holiday settings will automatically override the settings for each day.



When the specified period of time elapses, operation 
stops.
10 settings are available, from “an hour later OFF” to “10 
hours later OFF”.
The unit will stop when the setting time is reached.

The unit stops operating at the setting time.
It will operate one time per setting.

The unit starts to operate at the setting time. The 
temperature can be set together. It will operate one time 
per setting.

You can set up to four ON/OFF timers per day. 
Once Weekly timer is set, it repeats every week.

There may be a case that “

” is displayed when any 

button mentioned in the above is pressed, but it is not a malfunction.
In that case, the operation of the button is prohibited.

When you start to operate the unit for the first time after turning the 

power supply on, the default settings are listed below. You can change 
them as you like.

Central control ...................... Turned off
Operation changeover ..........  With auto mode : auto cooling

Without auto mode : cooling

Set temperature ................... 23°C
Fan speed ............................
Louver position ..................... Horizontal 

The unit starts operating.

The range of operation mode is displayed according to the model 
of indoor unit.
Every time the button is pressed, the display changes in the 
following order: dry 

 cool  fan  heat  auto.

(EXAMPLE display for auto-operation enabled)

•  With auto operation, 

heating and cooling is 
automatically changed 
depending on difference 
between the setting 
temperature and sucking 
room air temperature.

Press 

 or 

 button to set the room temperature.

The range of fan speed modes is displayed according to the model 
of indoor unit.
At  4-speed ............. “

↔

↔

↔

”

At  3-speed ............. “

↔

↔

”

At  2-speed ............. “

↔

” or “

↔

”

At  1-speed ............. The operation is invalid

 at 4-speed

The unit operates with the maximum fan speed.

If the indoor unit is equipped with the auto swing function, press 
the 

 LOUVER button once and current louver status is 

displayed.
If the indoor unit is not equipped with the auto swing function, the 
message “

” is displayed.

☞

 See page 11 to 12

1  Press 

 LOUVER button, and change the display to 





☞

 See page 11 to 12

1  Press once while the louver is operating to display stop 

positions in order.

2  Press the button once more at the preferred stop position to 

stop the louver at that position.

Effective stop position    

☞

 See page 11 to 12

For automatic operation: ............................... middle
For cooling/dehumidifying operation: ............ Horizontal
For heating operation: ................................... downwards



COOL ...............26 to 28°C

DRY ..................21 to 24°C

HEAT ................22 to 24°C

FAN ...................Setting unnecessary

The settings of operation change, temperature 
and air flow volume adjustment can be changed 
even when the air conditioner is stopped. When a 
button is pressed while the operation is stopped, 
the corresponding display is turned on and you 
can change the setting. The display lights for three 
seconds after changing the setting, and then turns 
off automatically.

In order to protect both indoor/outdoor air conditioners, keep the power supply on for six hours before initial operation. (The 
crank case heater is energized in order to heat up the compressor.) Do not turn off the power supply. (Power is distributed to 
the crankcase heater, even if the compressor is stopped. This keeps the compressor warm, and prevents failures caused by 
accumulation of liquid refrigerant.)

Operation mode

DRY
COOL

FAN
HEAT

AUTO

OFF timer

×



×

Sleep timer

×



×

Weekly timer

×

×

×

ON timer





×

Sleep timer

OFF timer

ON timer

Weekly timer