Duct smoke detector maintenance requirements are not included in the NFPA standard that covers HVAC systems (NFPA 90A or 90B); however, the International Code Council’s 2015 Mechanical Code does state ...

Specifically designed for HVAC smoke detection, the Optica Duct Smoke Detector brings enhanced confidence to site managers and end-users who have struggled to find smoke detection solutions that ...

The MSR-100 Series accessories - strobe modules, cover plates, and decals - work with the manufacturer's duct smoke detectors to indicate problems, perform tests, and alert users to alarm conditions.

Last month’s column introduced the concept of an interlock. An interlock is a dependency between two processes. Process 2 cannot operate unless Process 1 is in a certain state. For example, if a ...