If the duct system is designed to carry more than 2000 cfm 5 tons nominal of air you need one in the return if imc is being followed and the supply if nfpa is being followed.
Duct smoke detector installation detail.
Duct preparation the duct detectors are designed for use in ducts where the air velocities are from 300 to 4000 feet per minute.
A wiring diagram is a simplified traditional pictorial depiction of an electric circuit.
We will show you how to wire a system sensor duct smoke detector to a carrier bryant or icp furnace and then configure it s communicating infinity evoluti.
The duct smoke detector is designed for use in duct.
Air velocity rating from 100 ft min to 4 000 ft min.
Duct smoke detection may be useful in preventing injury and property dam age in instances such as the following.
Innovairflex duct smoke detectors simplify the duct detection installation process saving you time and money while still providing the flexibility you need in the field.
The duct smoke detector is equipped with an auxiliary relay.
A duct smoke detector should shut off a typical blower and fresh air and turn on the exhaust.
E pdd duct smoke detector installation sheet operation the duct smoke detector s primary purpose is to provide early warning of an impending fire and shut down the hvac unit in order to prevent smoke from circulating throughout the building.
This detection method when combined with an.
Innovairflex duct smoke detectors combine an impressive collection of innovations to greatly simplify hvac system monitoring.
Smoke detectors designed for use in air duct systems are used to sense the presence of smoke in the duct.
Furthermore intentions for using duct smoke detectors should not be a substitute for area smoke detectors.
Nor should it serve as an early warning detection system.
Fad 325 v2f r duct housing with the fad 325 v2f dh analog photoelectric smoke sensor relays installation instructions for the duct smoke detector a.
Smoke introduced into an air duct system will be distributed throughout the entire building.
Variety of duct smoke detector wiring diagram.
Adjusts to square and rectangular mounting configurations.
One unit can accommodate multiple installation footprints to overcome mounting constraints.
Hvac duct smoke detection.
Therefore they should complement the buildings fire detection system and not serve as the primary fire detection system.
A heating ventilating or air conditioning hvac fan motor overheats and resulting smoke is sensed by the duct smoke detector installed in the main supply duct.
Duct detectors aren t a replacement for room sensors.
Duct smoke detectors utilize 4 wire photoelectric technology for the detection of smoke.