Addressable Loop Circuit Wiring; Addressable Loop Circuit Wiring - Class; Figure 22 Addressable Loop Circuit Wiring - Class - Maple Armor FW106 Installation And Operation Manual

Installation and Operation Manual
Addressable Loop Circuit Wiring
One ALU card supports one addressable loop circuit.
Addressable Loop Circuit supports Class A and Class B style. A maximum of 252 devices can be connected to the
circuit.
All the compatible detectors and manual stations are polarity insensitive, while the compatible modules are
polarity sensitive.
Refer to the instruction sheets packed with each device.
The detectors and modules may be wired together according to several NFPA defined wiring styles. The wiring
style that is appropriate for your installation should be determined from the relevant building codes and the
local Authority Having Jurisdiction.
Addressable Loop Circuit Wiring – Class A
Class A provides redundant communication paths.
Figure 22 Addressable Loop Circuit Wiring – Class A
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