The duct smoke detector is equipped with an auxiliary relay.
Duct smoke detector symbol.
Duct smoke detectors shall comply with ul 268a shall be labeled by an approved agency approved and listed by california state fire marshal and shall be installed in accordance with the manufacturer s installation instructions.
Variety of duct smoke detector wiring diagram.
A wiring diagram is a simplified traditional photographic depiction of an electric circuit.
Bird control spike stainless steel 8inch cad dwg.
Therefore they should complement the buildings fire detection system and not serve as the primary fire detection system.
Duct smoke detection may be useful in preventing injury and property dam age in instances such as the following.
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.
It shows the components of the circuit as streamlined shapes as well as the power as well as signal links between the gadgets.
Cad models in this category.
Autocad 2000 dwg for a full legend of electrical symbols cad drawings see our store page.
Fire alarm panel cad block and other fire smoke and heat detector symbols are available now on mep work website.
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.
Download this free cad block of a smoke detector with integral sounder base and xenon beacon.
One unit can accommodate multiple installation footprints to overcome mounting constraints.
Download autocad fonts library free shx fonts.
1108 bracket cad model dwg.
Such devices shall be compatible with the operating velocities pressures temperatures and humidities of the system.
A wiring diagram is a simplified traditional pictorial depiction of an electric circuit.
Assortment of duct smoke detector wiring diagram.
Nor should it serve as an early warning detection system.
Autocad autocad blocks dwg electrical fire alarm.
Hvac duct smoke detection.
Furthermore intentions for using duct smoke detectors should not be a substitute for area smoke detectors.
Innovairflex duct smoke detectors combine an impressive collection of innovations to greatly simplify hvac system monitoring.
It reveals the elements of the circuit as streamlined shapes and also the power and also signal connections between the devices.
A duct smoke detector should shut off a typical blower and fresh air and turn on the exhaust.
Duct detectors aren t a replacement for room sensors.
Tool free plug in sampling tubes speed and simplify installation.
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.