Description
The System Sensor D4120 InnovairFlex is a 4-wire photoelectric duct smoke detector designed for early smoke detection in HVAC duct systems. Supporting both 24VDC and 120VAC operation, this detector offers flexible power options for a wide range of commercial and industrial installations. Utilizing photoelectric sensing technology, the D4120 detects smoke particles within the airflow before they can circulate throughout the building. As part of the InnovairFlex series, it features a modular design for simplified installation, maintenance, and component replacement. The D4120 is commonly used in air handling units, rooftop units, and ducted ventilation systems to enhance fire safety and system shutdown response.
Key Features:
- 4-wire duct smoke detector with 24VDC and 120VAC compatibility
- Photoelectric sensing for early smoke detection in HVAC ducts
- InnovairFlex modular design for easy installation and maintenance
- Designed for air handling units, RTUs, and duct systems
- Provides early warning to prevent smoke circulation
- Compatible with fire alarm and control systems
- Durable construction for commercial and industrial applications
- Supports code-compliant fire detection and HVAC shutdown systems
