Group Wiring - Project Fire Zonecheck Retrofit ZC450-R50 Instruction Booklet

Group Wiring

Upto 25 Zonechecks can be tested simultaneously when the Zonecheck units are wired in
parallel via interconnect by turning the master key-switch to GROUP TEST. The maximum
cable distance of 300m should not be exceeded when grouping key-switches.
MASTER KEY-SWITCH
KEY-SWITCH 01
9
N N L
L
+
1 2 1 2
L N N L
+
2 1 2
1
-
KEY-SWITCH 02
-
1
N N
L L
-
+
2 1 2