Fire-Lite D365PL Addressable Duct Smoke Detector

The Fire-Lite D365PL Addressable Duct Smoke Detector provides intelligent photoelectric smoke detection for compatible HVAC fire alarm applications. It monitors air moving through ventilation ductwork and communicates alarm conditions to an addressable fire alarm control panel. In addition, its low-flow technology supports a wide range of duct airflow conditions.

Intelligent Photoelectric Duct Smoke Detection

The Fire-Lite D365PL uses photoelectric sensing technology to monitor smoke particles in an HVAC air stream. The detector works with a sampling tube that directs duct air into its sensing chamber.

When smoke reaches the detector, the connected fire alarm system can recognize the alarm condition. Therefore, the system can initiate its programmed response.

The detector also provides individual address identification. As a result, maintenance personnel can locate the affected device through the compatible control panel.

Low-Flow HVAC Detection

This duct detector supports air velocities from 100 to 4,000 feet per minute.

Its low-flow capability makes it suitable for many ventilation systems. Moreover, the detector can operate across a broad range of environmental conditions.

The sampling tube allows the unit to monitor smoke within compatible air ducts. However, technicians must select the correct tube length and installation location.

Flexible Duct Mounting

The housing features a pivoting design that supports both square and rectangular mounting footprints.

Installers can mount the assembly on compatible round or rectangular ductwork. Therefore, the detector offers flexibility for different HVAC installations.

The sampling tube also installs from the front or back without special tools. This feature helps simplify installation and future maintenance.

Remote Testing Capability

The detector supports compatible remote test accessories. These accessories allow technicians to initiate supported test functions from an accessible location.

For example, compatible options include the RTS151 and RTS151KEY remote test stations.

Remote testing can be especially useful when the duct detector sits above a ceiling or in another difficult-to-access area.

Key Features

• Intelligent addressable duct smoke detector
• Photoelectric smoke sensing technology
• Low-flow HVAC detection
• Non-relay detector housing
• Includes SD365R-IV detector head
• 100–4,000 FPM airflow range
• Pivoting housing design
• Square or rectangular mounting footprint
• Suitable for compatible round and rectangular ducts
• Front or rear sampling tube installation
• Clear cover for visual inspection
• Cover tamper supervision
• Remote testing capability
• Accessible detector addressing wheels
• LiteSpeed and CLIP protocol support through the included ivory detector
• Communication line power operation
• 3/4-inch conduit knockout
• Optional addressable relay module accommodation
• UL and ULC Listed
• FM Approved

Cover Tamper Supervision

The Fire-Lite D365PL includes a cover tamper feature that monitors the detector housing.

If someone removes the cover or installs it incorrectly, the detector can report a trouble condition. Therefore, technicians can identify housing problems through the fire alarm system.

The clear cover also provides convenient visual inspection of the detector assembly.

Optional Relay Control

The standard housing does not include an integral alarm relay. However, it can accommodate a compatible CRF-300 addressable relay module.

Installers must purchase this module separately when the system requires Form C relay functionality.

This arrangement provides additional configuration flexibility without changing the basic detector housing.

Environmental Specifications

The duct detector operates from -4°F to 158°F (-20°C to 70°C).

It also supports relative humidity from 0% to 93%, non-condensing. Consequently, it can operate in a variety of approved HVAC environments.

The housing weighs approximately 1.6 pounds. Its mounting configuration determines the overall installation footprint.

Typical Applications

This intelligent duct smoke detector supports commercial and institutional HVAC fire alarm systems.

Typical applications include office buildings, schools, hospitals, hotels, warehouses, shopping centers, and industrial facilities.

It can help the connected fire alarm system respond to smoke entering a ventilation system. However, duct smoke detection does not replace the required open-area smoke detection system.

Installation and Compatibility

Before installation, verify the fire alarm control panel, SLC protocol, duct dimensions, airflow, and sampling tube requirements.

Also, confirm remote test accessory compatibility and any optional relay module requirements.

Qualified fire alarm professionals should install and test the detector. Furthermore, technicians should follow Fire-Lite installation instructions and applicable NFPA requirements.

Overall, this Fire-Lite duct smoke detector provides intelligent photoelectric detection for compatible HVAC systems. Its low-flow capability, remote testing, flexible mounting, and cover supervision make it a practical option for professional duct smoke detection applications.

D365PL Datasheet