FireLite SLC Wiring Manual — P/N 51309:R3 7/29/2019
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NFPA Class B SLC Using Isolator Modules SLC Circuits with Isolators
A variation of a Class B operation using an ISO-6 isolator module to protect each branch of the SLC is shown below. Each terminal on
the ISO-6 acts as a single I300 module. Refer to Figure 4.2 for ISO-6 wiring and to Section 4.1 for limitations. Note that the ISO-6 can-
not accept two wires at one pin. Wire Class B SLC loops as shown in the figure below.
Figure 4.4 NFPA Class B SLC Using an ISO-6 Isolator Module
Two-wire Addressable Detector
Addressable Pull Station
Control Panel
SLC
ISO-6
ISOLATOR 1
Out -
Out +
In -
In +
SLC-style4ISO-6.wmf
ISOLATOR 2ISOLATOR 3ISOLATOR 4ISOLATOR 5ISOLATOR 6
Isolated Branch
Isolated Branch
Isolated Branch
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