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Trane SEN01789 Photoelectric Smoke Detector Sensor

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Special Price $236.72 Regular Price $342.95
In stock
SKU
SEN01789
The Trane SEN01789 Photoelectric Smoke Detector Sensor is used to indicate the control circuit that detects smoke particles in HVAC systems. It operates using electromagnetic sensing technology, where light is scattered by smoke particles, triggering the internal detection circuit when used in rooftop air-conditioning and air-handling HVAC systems. It is positioned in the airflow line, with the detection chamber observing the air flow, and the electrical contacts connected to the system control wiring. This air stream can be detected by the control system to react to the abnormal conditions and assist the equipment to operate safely.
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HVAC Controls & Electrical, Control & Sensing Devices
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Product Questions (2)
Customer Questions
What maintenance is required for the Trane SEN01789 Detector Sensor?

Regularly clean the sensor housing to remove dust and debris. Test the sensor periodically to ensure proper detection. Inspect electrical connections for corrosion or looseness. Proper maintenance ensures accurate smoke detection and safety system performance.

What are common issues with the Trane SEN01789 Detector Sensor?

  • False alarms due to dust accumulation.
  • Failure to detect smoke accurately.
  • Intermittent power or signal issues.
  • Sensor malfunction from physical damage.

Installation Steps

Step 1: Turn off power to the HVAC or alarm system before installation.

Step 2: Remove the existing sensor from its mounting location.

Step 3: Securely mount the new sensor in the designated area, avoiding obstructions.

Step 4: Connect the wiring according to the system’s diagram, ensuring correct polarity.

Step 5: Confirm the sensor is properly seated and oriented.

Step 6: Restore power and test the sensor for proper smoke detection and system response.