26
C420 Installation Manual
7 ELECTRICAL CONNECTIONS
Figure 9 – Examples of connection of the siren output
Check which connection type can be used, based on the siren/plate.
Figure 10 – Examples of connection of the control panel to supplementary power supply units
C420 / MR420
(-)
(+)
O
U
T
IN
+
-
+
-
SIR+
SIR-
(-)
(+)
+
-
(-)
(+)
O
U
T
IN
+
-
+
-
SIREN / VISUAL
IN
SIREN / VISUAL
IN
SIREN
OUTPUT
MODULO
SONG54
INT-SONG54
MODULE
3
3
0
0
SIREN / VISUAL
IN
OUT
(-)
(+)
SIREN
OUTPUT
C420 / MR420
END OF
LINE
RESISTOR
Power supplies
auxiliary input
Power unit
Power supplies
auxiliary control
Power supplies
auxiliary input
Power supplies
auxiliary control
Power unit
Power unit
