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4. Brief functional description
The fan can be installed in four ways depending on
the function as detailed below:
Humidity control only, wiring diagram 1
1Thefanisconnectedusingconstantphase(L)and
neutral (N) for automatic humidity control.
The timer can be activated manually by tting a pull
cord and pulling on this.
Constant low speed + humidity control, wiring
diagram 2
Thefanisconnectedusingconstantphase(L)and
neutral (N) for automatic humidity control.
Phase(L)islinkedtoswitchedlive(SL)forconstant
lowspeed.Whenhumidairispresentthefanruns
in the selected mode of silent or maximum. Once
the humid air has been expelled, the fan returns to
running at low speed. You can adjust the low speed
setting using the speed buttons (plus or minus) on
the control panel.
Humidity control + timer with light switch, wiring
diagram 3
Thefanisconnectedusingconstantphase(L)and
neutral (N) for automatic humidity control.
Switchedlive(SL)isconnectedtoactivatethefan’s
timer, i.e. when the bathroom light is switched on,
current is present at switched live. This option oers
adelayedstartof90secondsbeforethefanstarts.
Whenthelightisswitchedo,thereisadelayof5,
15or30minutesbeforethefanstops(post-running
time), depending on your preferred control panel
setting.
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