This device will not operate without electrical power. All system sensor accessories are ul listed apa151the apa151 piezo annunciator provides an audible alarm signal and led for alarm and status.
The system safeguards should be discussed.
System sensor d4120 wiring diagram. Hardwired smoke detectors system sensor alarm wiring. Fire situations may cause an interruption of power. System sensor smoke detector wiring diagram collection system sensor d4120 wiring diagram.
Charles illinois 60174 1 800 sensor2 fax. 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. System sensor supports this position and strongly recommends that the user read nfpa standards 90a 72 and 101.
The d4120 air duct smoke detectors are listed per ul 268a. 22 intelligent panels. The smoke detector accessories add functionality to the detection system by allowing quick eye level inspections and audible visual notification options.
Wiring diagram for heating system new fire alarm wiring diagram best. System sensor provides flexibility with a variety of accessories for notification and test purposes. For reference we are going to be covering the connections on the system sensor d4120 model duct detector as this is the most common version used by mechanical contractors.
System sensor convention 4 wire duct smoke detector d4120 wiring instructions kyle j. Also note that the system sensor d4120 is the replacement for the dh100acdclp the reason to mentioned this is the fact that system sensor was smart when creating the newer d4120 by carrying over the same terminal numbers. D4120 duct smoke detector d4s sensor component d4p120 power board component installation and maintenance instructions 3825 ohio avenue st.
Duct smoke detector 4 wire photoelectric low flow. The detector housing shall be ul listed per ul 268a specifically for use in air handling systems. Ss 300 000 1 i56 2967 000r d4120 air duct smoke detector with extended air speed range d4s air duct smoke detector sensor component d4p120 air duct smoke.
Wiring diagram system sensor conventional smoke detector and. The air duct smoke detector shall be a system sensor innovairflex d4120 photoelectric duct smoke detector. System sensor official page 6 315 views.
The flexible housing of the duct smoke detector fits multiple footprints from square to rectangular.