Fujitsu B24LDC, Service Instruction

Page: 21 / 91

7. LOUVER CONTROL
(1). LOUVER CONTROL
Each time the button is pressed, the air direction range will change as follow:
Cooling / Dry mode
Heating mode
Fan mode
Use the air direction adjustments within the ranges shown above.
The vertical airflow direction is set automatically as shown, in accordance with the type of operation
selected.
Cooling / Dry mode Horizontal flow
Heating mode Downward flow
When the temperature of the air being blown out is low at the start of heating operation or during
defrosting, the airflow direction temporarily becomes to prevent cold air being blown onto the body.
During use of the Cooling and Dry modes, do not set the Air Flow Direction Louver in the Heating
range ( ) for long period of time, since water vapor many condense near the outlet louvers and
drop of water may drip from the air conditioner. During the Cooling and Dry modes, if the Air Flow
Direction Louvers are left in the hating range for more than 20minutes, they will automatically
return to position .
During Monitor operation in AUTO CHANGEOVER mode, the airflow direction automatically
becomes , the horizontal airflow direction does not cahnge, and it cannot be adjusted.
(Function Range)
(Fig 9: Air Direction Range)
(Operation Range)
05-08
When the indoor control interface device receives a control signal light from the remote control,
it will actuate, the step motor according to the control signal, and set the louver to each position.
In addition, if the air conditioner is stopped, vertical louver will be closed automatically.
Vertical Air Direction Adjustment
6
Each time the button is pressed, the air direction range will change as follow:
(Function Range)
Horizontal Air Direction Adjustment
6
1
6
6 4