FBC
FBC
ElEC TRICAl ConnEC TIonS
1 - 4 - 7
1 - 4 - 7
4.
ElEC TRICAl ConnEC TIonS
4.1.
Electrical wiring
Electrical connections must be done by qualified and trained people.
Switch off the power supply before starting any work on the electric elements. never switch on the power supply during
electrical connections.
4.1.1.
Wiring diagram for position microswitches
FCU: Closed damper contact
A
The fire damper's blade is open (the air flow is allowed)
B
The fire damper's blade is closed (the air flow is not allowed)
4
Normally opened (BLUE)
1
Common/neutral (BLACK)
2
Normally closed (GREY)
min. supply: 4 v AC - 1 mA
max. supply: 250 v AC - 10 A
We reserve the right to make changes without prior notice
rev 24-01
67
67/78