Description
The Honeywell DNR-W is a watertight, intelligent photoelectric duct smoke detector housing engineered for demanding HVAC applications where moisture resistance and reliable early smoke detection are critical. Designed as a non-relay housing, it pairs with compatible detector heads to provide low-flow duct smoke sensing — making it ideal for installations in air handling units, ductwork, and other HVAC systems where airflow rates may be lower than standard.
Key Features
- Watertight housing construction for use in moisture-prone or wash-down environments
- Intelligent design compatible with addressable fire alarm systems
- Non-relay configuration — no built-in relay output, simplifying integration where relay functionality is handled externally
- Photoelectric sensing technology for reliable detection of slow-smoldering fires
- Low-flow capability ensures accurate detection even in duct systems with reduced air velocity
- Suitable for installation in air handling units and HVAC ductwork
Application
The DNR-W is designed for commercial and industrial HVAC systems requiring duct smoke detection in environments where moisture ingress is a concern. Its intelligent, addressable architecture allows seamless integration with modern fire alarm control panels, providing precise location identification and system-level monitoring.
Why Choose the Honeywell DNR-W?
- Watertight housing protects internal components in humid or wet environments
- Photoelectric detection minimizes nuisance alarms from dust and steam
- Low-flow design extends detection coverage to low-velocity duct applications
- Non-relay housing offers flexible system design for custom relay configurations
- Intelligent addressable compatibility supports advanced fire alarm system integration
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