DH100P

October 22, 1999 DH100P DN-6751 • I-354 Two-Wire, Low-Profile, Duct Smoke Detector Section: Conventional Initiating Devices GENERAL The System Sensor DH100 two-wire duct smoke detector is available as a photoelectronic model. This new design allows for simplified cleaning and maintenance, or a change in application without removing the duct housing. The DH100 samples air currents passing through a duct and gives dependable performance for management of fans, blowers, and air-conditioning systems, preventing the spread of toxic smoke and fire gases through the protected area. S911 Approved MEA 369-98-E California State Fire Marshal 3240-1209:155 MARYLAND State Fire Marshal RR8281 Duct smoke detectors have specific limitations. DUCT DETECTORS ARE: • NOT a substitute for an open-area smoke detector. • NOT a substitute for early warning detection. • NOT a substitute for a building’s regular fire detec- tion system. REFER TO NFPA 72 and 90A for additional duct smoke detector ap...