UG-7-A6O Uniguard Duct Smoke Detector Manual

This document details the Veris UG-7-A6O series duct-mounted optical smoke detector, which uses photoelectric sensing to detect smoke in HVAC systems and trigger relays for fan shutdown, damper control, and auxiliary functions. It covers two models (24 Vdc/ac and 120 Vac), specifications, wiring diagrams, installation instructions, ordering information for pickup tubes and accessories, and agency approvals.