Ld4p120x Duct Detector Wiring Diagram. The innovairflex d4120 4 wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular ductwork. Ductsd duct smoke detector the system sensor ductsd series duct smoke detectors with a cover integrated smoke test port and exible con gurations provides ef cient installation and maintenance.
If polarity of acc. One pair of wires will be for the idc alarm contacts 4 and 5 the second pair will be for the eol and supervisory contacts 3. 31 detector feature set utilizes 2d51 plug in head 2 sensors to 1 power board capability cover missing signal sampling tubes install from front or rear of detector compatible with existing accessories 4 contents of the duct smoke detector kit 1.
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This means running an additional pair of wires during the rough in stage. Duct smoke detector wiring diagram. This detection method when combined with an efficient housing samples air passing through the duct allowing detection of. Item is used but was pulled from a working enviromment.