Mitsubishi Electric MSZ-FD25VA Service Manual page 14

(7) SWING ( ) mode
By selecting SWING mode with VANE CONTROL button, the horizontal vane swings vertically.
(8) Cold air prevention in HEAT operation
The horizontal vane position is set to Upward.
NOTE : When 2 or more indoor units are operated with multi outdoor unit, even if any indoor unit turns thermostat
off, this control doesn't work in the indoor unit.
(9) To change the airflow direction not to blow directly onto your body.
To change the air
flow direction
Use this function if you don't
Pressing and holding
want the air from the indoor
VANE CONTROL
unit to blow directly onto your
button for 2 seconds
body.
or more cause
• Depending on the shape of
the horizontal vane
to reverse and
move to horizontal
position.
• Press VANE CONTROL
Horizontal
position
NOTE :
• If you make the airflow not to blow directly onto your body by pressing VANE CONTROL button,
the compressor stops for 3 minutes even during the operation of the air conditioner.
• The air conditioner operates with Very Low speed until the compressor turns on again.
(10) ECONO COOL ( ) operation (ECONOmical operation)
When ECONO COOL button is pressed in COOL mode, set temperature is automatically set 2 °C higher.
Also the horizontal vane swings in various cycle.
SWING operation makes you feel cooler than set temperature. So, even though the set temperature is higher, the air
conditioner can keep comfort. As a result, energy can be saved.
ECONO COOL operation is cancelled when ECONO COOL button is pressed once again or VANE CONTROL
button is pressed or changed to other operation mode.
2. Vertical vane
(1) Vane motor drive
These models are equipped with a stepping motor for the vertical vane. The rotating direction, speed, and angle of
the motor are controlled by pulse signals (approx. 12 V) transmitted from microprocessor.
(2) The vertical vane angle and mode change as follows by pressing WIDE VANE button.
1
(3) Positioning
To confirm the standard position, the vane moves until it touches the vane stopper. Then the vane is set to the
selected angle.
Confirming of standard position is performed in the following cases:
(a) OPERATE/STOP(ON/OFF) button is pressed (POWER ON or OFF).
(b) SWING is started.
(c) The power supply turns ON.
(4) SWING( ) MODE
By selecting SWING mode with WIDE VANE button, the vertical vane swings horizontally. The remote controller dis-
plays " ". Swing mode is cancelled when WIDE MODE button is pressed once again.
When to use this function?
The air conditioner starts the
cooling or drying operation
approx. 3 minutes after the
vane has moved to the hori-
zontal position.
the room, the air may blow
• When VANE CONTROL
directly onto your body.
button again to return the
vane to the previously-set
position.
2
COOL/DRY
button is pressed again,
the vane returns to the
previously-set position
and the air conditioner
starts the cool or dry
operation in approx.
3 minutes.
4
3
14
HEAT
The air conditioner starts heat-
ing operation approx. 3 minutes
after the vane has moved to the
horizontal position.
• Sometimes the area
around your feet may not
warm. To warm the area
around the feet, set the
horizontal vane to
(AUTO) or the downward-
blowing position.
• When VANE CONTROL
button is pressed again,
the vane returns to the
previously-set position
and the air conditioner
starts the heat operation
in approx. 3 minutes.
5
(SWING)