Electrical Connections; Electrical Wiring - Lindab RECTANGULAR Series Technical Manual

WKS25 WKS25
ELEC TRICAL CoNNEC TIoNS
ELEC TRICAL CoNNEC TIoNS

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.
Manual and compact manual
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S1-25 electric board (S2 optional) for blade position mi-
croswitches (manual)
S1-25-B electric board (S2 optional) for blade position mi-
croswitches (compact manual)
1 Microswitch contacts for blade position
FCU Closed blade contact
DCU Open blade contact
NO Normally open
C Common
NF Normally closed
Manual with magnet - MR/MI version (the
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magnet is powered using 24 V DC/48 V DC
through S0-25 electric board)
S0-25 electronic board (S2 optional) for 24V DC / 48V DC
power supply� Blade position microswitches included
1 Microswitch contacts for blade position
2 Magnet power supply contacts. 24V DC or 48V DC. Keep to the
polarity for input magnet
MAG Magnet power supply
FCU Closed blade contact
DCU Open blade contact
NO Normally open
C Common
NF Normally closed
S2 microswitches position for manual control and
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magnetic control
1. The fire damper's blade is open (the air flow is allowed)
2. The fire damper's blade is closed (the air flow is not allowed)
FCU Closed blade contact
DCU Open blade contact
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