Mitsubishi Electric MSZ-FD09NA Service Manual page 15

(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) The operation starts or finishes (including timer operation).
(b) The test run operation starts.
(c) Standby mode (only during multi system operation) starts or finishes.
(4) VANE AUTO ( ) mode
The microprocessor automatically determines the vane angle to make the optimum room temperature distribution.
COOL and DRY operation
Vane angle is fixed to Angle 1.
1
(5) STOP (operation OFF) and ON TIMER standby
In the following cases, the horizontal vane returns to the closed position.
(a) OPERATE/STOP (ON/OFF) button is pressed (POWER OFF).
(b) The operation is stopped by the emergency operation.
(c) ON TIMER is ON standby.
(6) Dew prevention
During COOL or DRY operation with the vane angle at Angle 3 ~ 5 when the compressor cumulative operation time
exceeds 1 hour or 30 minutes, the vane angle automatically changes to Angle 2 for dew prevention.
(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 fl ow
direction
Pressing and holding
VANE CONTROL button
for 2 seconds or more, the
horizontal vane reverses
and moves horizontal posi-
tion.
Horizontal
position
NOTE:
• If you make the airfl ow 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.
When to use this function?
Use this function if you
don't want the air from the
indoor unit to blow directly
onto your body.
• Depending on the
shape of the room, the
air may blow directly
onto your body.
• Press VANE CONTROL
button again to
return the vane to the
previously-set position.
HEAT operation
Vane angle is fixed to Angle 4.
COOL/DRY
The air conditioner starts the
cooling or drying operation
approx. 3 minutes after
the vane has moved to the
horizontal position.
• When VANE CONTROL
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.
15
HEAT
The air conditioner starts heating
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
downwardblowing 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.