Duct Smoke Detector Wiring Diagram
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Dnr duct smoke detector installation and maintenance instructions 3825 ohio avenue, st. Simplex duct smoke detector wiring diagram wiring. The 4098 duct detector/sensors are available in the following configurations: This detection method, when combined 4 wire air duct smoke detector protection systems.
Smoke introduced into an air duct system will be distributed throughout the entire building. Smoke detectors designed for use in air duct systems are used to sense the presence of smoke in the duct. Duct preparation the duct detectors are designed for use in ducts where the air velocities are from 1,000 to 4,000 feet per minute. See figure 2 for sampling tube orientation to air flow direction. • slc wiring style supports the class a, class x and class b. • slc loop wiring is power limited. • slc loop wiring is supervised. • wiring for terminals are supervised. Magnehelic differential pressure gauge between the sampling and exhaust tubes of the detector, a reading between 0. 01 and 1. 2 inches of water verifies enough airflow;