Lindab WH25 - Electrical Connections; Electrical wiring; Manual and compact manual wiring; Manual with magnet wiring

ELECTRICAL CONNECTIONS
WH25
LINDAB SAFE
35/50
ELECTRICAL CONNECTIONS
 Electrical wiring
Electrical connections must be done by qualied and
trained people.
Switch o the power supply before starting any work on
the electric elements. Never switch on the power supply
during electrical connections.
 Manual and compact manual
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
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
magnetic control
1. The re damper's blade is open (the air ow is allowed)
2. The re damper's blade is closed (the air ow is not allowed)
FCU Closed blade contact
DCU Open blade contact
NO Normally open
C Common
NF Normally closed
WH25
35/50
LINDAB SAFE