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Notifier SLC Wiring Manual —
P/N 51253:U5 12/20/2017
29
NFPA Style 4 SLC Using Isolator Modules
SLC Circuits with Isolators
5.4 NFPA Style 4 SLC Using Isolator Modules
A variation of a Style 4 operation using isolator modules to protect each branch of the SLC. Refer to Figure 5.1 on page 26 and
Figure 5.2 on page 27 for isolator module wiring and to Section 5, “SLC Circuits with Isolators” for limitations.
Two-wire Addressable Detector
Addressable Pull Station
SL
C-
st
yle4iso
.wm
f
Control Panel
SLC
B– B+
Isolated Branch
Isolator Module
Isolator Module
Isolator Module
Isolated Branch
Isolated Branch
Figure 5.4 NFPA Style 4 SLC Using ISO-X Modules