Honeywell SLC - Section 3 SLC Circuits without Isolators; 3.1 Overview of Circuit Styles; 3.2 NFPA Style 4 SLC Configuration

FireLite SLC Wiring Manual — P/N 51309:P4 9/17/2014 21
Section 3: SLC Circuits without Isolators
3.1 Overview
This chapter concerns itself with the two styles of circuits that do not require isolation devices:
• NFPA Style 4
• NFPA Style 6
3.2 NFPA Style 4 SLC
NFPA Style 4 requirements can be met by using the diagram below.
• T-tapping of the SLC wiring is allowed for Style 4 configuration.
SLC-style4.wmf
Two-wire Addressable Detector
Addressable Module
T-tapped Circuits
Control Panel
SLC
B+ B–
Figure 3.1 Basic NFPA Style 4 SLC