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24
FireLite SLC Wiring Manual —
P/N 51309:R3
7/29/2019
SLC Circuits with Isolators
NFPA Class B SLC Using Isolator Modules
4.2 NFPA Class B SLC Using Isolator Modules
A variation of a Class B operation using an I300 isolator module to protect each branch of the SLC is shown below. Refer to Figure 4.1
for I300 wiring and to Section 4.1 for limitations.
Figure 4.3 NFPA Class B SLC Using an I300 Isolator Module
Two-wire Addressable Detector
Addressable Pull Station
SL
C
-style
4
iso.wmf
Control Panel
SLC
B– B+
Isolated Branch
Isolator Module
Isolator Module
Isolator Module
Isolated Branch
Isolated Branch