Notifier SLC Wiring Manual — P/N 51253:U9 12/3/2021 33
NFPA Class B SLC Using Isolator Modules SLC Circuits with Isolators
5.4 NFPA Class B SLC Using Isolator Modules
A variation of a Class B operation using isolator modules to protect each branch of the SLC. Refer to Figure 5.1 on page 30 and
Figure 5.2 on page 31 for isolator module wiring and to Section 5, “SLC Circuits with Isolators” for limitations.
Figure 5.4 NFPA Class B SLC Using ISO-X Modules
Two-wire Addressable Detector
Addressable Pull Station
SLC-style4iso.wmf
Control Panel
SLC
B– B+
Isolated Branch
Isolator Module
Isolator Module
Isolator Module
Isolated Branch
Isolated Branch