Eleven. Notification Units These units deliver a visual or audible notification to warn a setting up’s occupants to evacuate. The 302-AW-135 Thermotech fee-anticipation warmth detector from Honeywell NOTIFIER operates inside a controlled choice of two to 3 degrees of their set details, regardless of the pace or rate of temperature https://www.firesense.co.uk/type/addressable-fire-system/addressable-beam-detectors/