Trane SEN1639 Duct Smoke Detector for HVAC Systems

The Trane SEN1639 is an OEM duct smoke detector designed for commercial HVAC applications. This device monitors air moving through ducts and triggers alarms when it detects smoke particles, helping prevent the spread of smoke by activating safety measures like shutting down fans or dampers.

Key Features:

• Provides high-limit shutdown of HVAC units and requires manual reset
• Designed for air velocities between 500 and 4000 feet per minute
• Features multiple contact sets: SPDT contacts (terminals 7, 8, 18) for alarm notification and NO contacts (terminals 13, 14) for fire alarm control panel connection
• Official OEM replacement part for Trane HVAC equipment
• Field-installable in supply or return ductwork
• Compatible with ReliaTel and Symbio control systems

This detector should be installed in the supply or return ducts connected to the unit and wired back to the unit E-Stop terminals. The SEN1639 is essential for commercial HVAC safety systems, providing reliable smoke detection to protect building occupants and prevent smoke circulation through ventilation systems.

Note: This part is also cross-referenced as SEN01639. Professional installation by qualified HVAC technicians is recommended to ensure proper wiring and compliance with local building codes.