Model d4120 and d4s duct smoke detectors utilize 4 wire photoelectric tech nology for the detection of smoke.
D4120 duct smoke detector wiring diagram.
3 indicated connections needed to be made in the field by quali fied electrician.
2 these wiring diagrams apply to model d4120 duct smoke detector made by system sensor with either photoelectric detector head.
Model d4120 and d4s duct smoke detectors utilize 4 wire photoelectric tech nology for the detection of smoke.
The innovairflex d4120 4 wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints.
Features 4 wire photoelectric integrated low flow technology air velocity rating from 100 ft min to 4 000 ft min 0 5 m s to 20 32 m sec.
Model d4120 and d4s duct smoke detectors utilize 4 wire photoelectric technology for the detection of smoke.
This detection method when combined.
Because the detector mounts to round or rectangular ductwork it is indispensable for building automation systems bas and hvac applications.
Efl and 24 vac supply efl and 120 vac supply.
Smoke introduced into an air duct system will be distributed throughout the entire building.
This detection method when combined.
This detection method when com bined with an efficient housing samples air passing through the duct al.
Smoke detectors designed for use in air duct systems are used to sense the presence of smoke in the duct.
D4120 duct smoke detector the innovairflex series are the only duct smoke detectors flexible enough to fit configurations from square to rectangular and everything in between.
Smoke detectors designed for use in air duct systems are used to sense the presence of smoke in the duct.
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.