Installation-Programming C402-C404
9
3.2.2 Control panel card terminal boards
The Control panel is equipped with a card on which 2 connector units are assembled, the "Power" group is already
pre-wired at the factory and must not be modified. The description of each terminal is described below:
B
A
T
T
E
R
Y
-
Figure 3 – View of the fire detection Control panel card
Terminals services and circuits
+PW
+24V
⎓
500mA field positive output
- PW
Field negative output
+IC
+24V
⎓
500mA siren positive output
- IC
Siren negative output
C
Fault relay output – Common contact
NC
Fault relay output – Normally closed contact
NO
Fault relay output – Normally open contact
+L1
Detection circuit 1 positive output
- L1
Detection circuit 1 negative output
SH
Earth connection for detection circuits cable shield
+L2
Detection circuit 2 positive output
- L2
Detection circuit 2 negative output
+L3
Detection circuit 3 (*) positive output
- L3
Detection circuit 3 (*) negative output
SH
Earth connection for detection circuits cable shield (*)
+L4
Detection circuit 4 (*) positive output
- L4
Detection circuit 4 (*) negative output
(*) there is no terminal in the C402 version.
“Power” terminals
Earth connection
-
Power supply negative
+
Power supply positive
