Technical Reference Manual for the System Sensor InnovairFlex Duct Smoke Detectors, published in 2011. 11 models including D4120, D4120B, D4120W and 8 additional variants. Advanced technical data, communication protocols, and design criteria.

Technical Reference Manual for the System Sensor InnovairFlex Duct Smoke Detectors, published in 2011. 11 models including D4120, D4120B, D4120W and 8 additional variants. Advanced technical data, communication protocols, and design criteria.