Kidde-Fenwal DS-SD SmartOne Photoelectric Duct Detector SF 19/01 A separate closing device is

A separate closing device is required

Form C alarm relays with an eight second delay are included for monitoring or controlling external functions

All models available in 115 VAC or 220 VAC

or increased output wattage to 100W (100W option applies to DAA2-50 series only

Kidde-Fenwal DS-SD SmartOne Photoelectric Duct Detector SF 19/01 A separate closing device isThe Model DS SD Duct Smoke Detector detects the presence of smoke under extended temperature ranges in a buildings HVAC system. Its primary purpose is to provide early warning of the presence of smoke in the duct. It is typically used to detect smoke in the supply side of the HVAC system, but can provide supervision of the return side as well. The Model DS SD detector is comprised of a plastic housing, a printed circuit board, a clear plastic cover,