Fire-Lite SLC Intelligent Control Panel Wiring Manual - Manual (Page 24)

24 FireLite SLC Wiring Manual — P/N 51309:P1 10/12/2011
SLC Circuits with Isolators NFPA Style 4 SLC Using Isolator Modules
4.2 NFPA Style 4 SLC Using Isolator Modules
A variation of a Style 4 operation using isolator modules 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 4.2 NFPA Style 4 SLC Using Isolator Modules
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