The System Sensor D4120 InnovairFlex 4-wire conventional photoelectric duct detector represents advanced smoke detection technology designed specifically for HVAC air handler and ductwork environments. Engineered to provide early smoke detection in commercial and industrial ventilation systems, this detector integrates seamlessly with conventional fire alarm panels to monitor airflow and detect potential fire hazards before they escalate.
Professional installers will appreciate the D4120’s precision photoelectric sensing chamber, which effectively captures smoke particulates across a wide range of particle sizes. The detector’s robust design allows for reliable performance in challenging environmental conditions, including variable air velocities and temperature ranges typical in complex mechanical ventilation systems.
Key Features
- 4-wire conventional design compatible with most standard fire alarm control panels
- Includes 2D51 detector head with advanced photoelectric sensing technology
- UL 268 and UL 464 listed for comprehensive compliance with fire safety standards
- Designed for horizontal and vertical duct mounting applications
- Provides continuous air sampling with minimal airflow restriction
- Robust construction ensures reliable performance in commercial HVAC systems
Typical Installation Environments
Ideal for commercial applications including office buildings, healthcare facilities, educational institutions, data centers, and industrial complexes where early smoke detection in air handling units is critical for life safety and property protection.
Specifications
- Operating Voltage: 24VDC nominal
- Standby Current: Typically 150 µA
- Alarm Current: Maximum 100 mA
- Temperature Range: 32°F to 120°F (0°C to 49°C)
- Humidity Range: 10% to 93% non-condensing
Compliant with NFPA 72 National Fire Alarm and Signaling Code, ensuring professional-grade performance and reliability in critical fire detection applications.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 4 lbs |
|---|---|
| Dimensions | 16 × 6 × 4 in |
| Condition | New |
| Manufacturers | System Sensor |
| Part Type | Duct Detector |
