Honeywell D365PL Intelligent Non-relay Duct Fire Alarm Detector

The Fire-Lite D365PL is an intelligent non-relay duct detector designed for commercial life-safety applications. Duct smoke detectors are installed directly into HVAC air-handling systems to sense the presence of smoke within the airstream, providing early warning that can trigger fan shutdown or other protective actions before smoke is distributed throughout a building. As an intelligent device, the D365PL is engineered to communicate on an addressable fire alarm loop, enabling precise point identification and advanced system diagnostics at the control panel. Its non-relay configuration makes it appropriate for installations where relay output functions are handled elsewhere in the system architecture. This unit carries the Fire-Lite brand, a recognized name in commercial fire alarm infrastructure, and is suited for use in office buildings, schools, healthcare facilities, and other occupancies requiring code-compliant HVAC smoke detection.

Key features & benefits

• Intelligent Addressable Operation — Designed for integration on an addressable signaling line circuit, allowing the control panel to identify and monitor this specific detector individually rather than as part of a conventional zone.
• Non-Relay Design — The non-relay configuration streamlines installation in applications where relay-driven auxiliary functions are managed by separate system components, reducing wiring complexity at the detector itself.
• HVAC Duct Smoke Detection — Purpose-built to sample air moving through ductwork, enabling detection of smoke within the HVAC airstream before it can be recirculated to occupied spaces throughout a structure.
• Commercial Life-Safety Application — Engineered for professional fire alarm installations in commercial and institutional environments where code-compliant duct smoke detection is required by NFPA or local authority having jurisdiction.