Fire Alarm Control Panel IQ8Control C/M
78 FB 798951.GB0 / 01.09
Wiring an external signalling device without loop monitoring
Example with relay K2 (terminal 5 and 6), non-monitored mode
K 2
S 1
34
4
5
6
7
+
-
alarm
Fig. 65: Schematic wiring of an external signalling device without loop monitoring
L = inductive load
D
1
= series diode BY251
(notice relays current max. 2 A)
D
2
= recovery diode e.g. 1N4007 o.ä.
L
D
1
D
2
+
-
relay
Fig. 66: Schematic wiring of inductive loads