4. The units mounted in the ceiling must discharge the air outdoors, not in the space between the
false ceiling and the ceiling itself, using a flexible pipe and the corresponding anti-return valve.
NOTE: If the unit is mounted on the piping (not included), it is necessary to install this piping in
such a way as to avoid the entry of gases from gas-burning appliances or other fuel-burning
appliances into the room.
3. MODELS
(S) Standard Model - The fan is actuated by energizing through the control switch (not included).
(T) Model with Timer - This model is equipped with a timer from which you can adjust the fan stop time in a range from 3 to 25 minutes
after the switch/switch is turned off. The device starts working automatically after turning on the light bulb and continues to work for
the set period after turning off the light bulb.
Adjusting the Timer - Before adjusting the timer, turn off the mains power. The period of operation of the fan after turning off the
light can be set between 3 and 25 minutes by changing the adjustment device on the control board. To reduce run time, use a small
screwdriver to turn the adjuster COUNTER-CLOCKWISE. To increase the run time, use a small screwdriver to turn the adjuster
CLOCKWISE.
