Fire Protection · F-H9BDT

Fire Alarm System Component Wiring Diagram

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Schematic wiring diagram illustrating the typical connections for addressable fire alarm system devices including smoke or heat detectors, duct smoke detectors, monitor modules, control modules, end-of-line relays, and fire signal booster panels. The duct smoke detector shows 120V hot and neutral power connections, 24V DC control inputs where required, connections to a fire and smoke damper, and a remote test switch. The monitor module and control module interface with the addressable loop and connect through an end-of-line resistor on a Class B initiating device circuit to a typical alarm circuit. Smoke or heat detectors wire in a loop configuration from the previous addressable device in to the next addressable device out.

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