FireLite SLC Wiring Manual — P/N 51309:P4 9/17/2014 25
NFPA Style 4 SLC Using Isolator Modules SLC Circuits with Isolators
4.2 NFPA Style 4 SLC Using Isolator Modules
A variation of a Style 4 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 Style 4 SLC Using an I300 Isolator Module
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