Hello colleagues, I own this fan and I am wondering how to connect it? My opinion is the direct phase to L, the neutral conductor to N and the return phase from the switch to number 2, will it work properly like this and what other role does this fan have, does it activate itself on moisture? Tnx

Added after 15 [minutes]:
This third one, marked in red, says that it works on a moisture sensor. How to connect it

Added after 15 [minutes]:

This third one, marked in red, says that it works on a moisture sensor. How to connect it