The unit is designed to detect low battery power or possible faults, it will give a continual warning (sound a series of beeps) and will Fail to Safe (no longer operate as a hold open device).
How do you turn off a fire alarm door?
Go to the location of the door indicated by the light panel. Insert the key in the door alarm, below the alarm box, attached to the “Emergency Exit Only” bar. Push to the right with all your might on that mechanism. Re-lock the mechanism.8 Aug 2017
How do I stop Dorgard from beeping?
https://www.youtube.com/watch?v=LQJeuawrJl4
How do you use Dorgard?
https://www.youtube.com/watch?v=hF4f875cVP0
How do you adjust Dorgard sensitivity?
2) Turn screw clockwise through no more than 5 degrees (a small adjustment with the screwdriver is equivalent to a large alteration in the sensitivity). 3) Sound fire alarm for a minimum of 30 seconds and ensure that Dorgard releases to the fire alarm. The LED will flash once a second if it hears the fire alarm.
How do fire door retainers work?
Acoustic fire door retainers are fitted to fire doors and hold fire doors open until the sounder from a smoke alarm or fire alarm system triggers the retainer to release the fire door, allowing the door closer to close the door. Dorgard units can also be used on heavier fire doors.Acoustic fire door retainers are fitted to fire doors and hold fire doors open until the sounder from a smoke alarm or fire alarm systemfire alarm systemThe first automatic electric fire alarm was patented in 1890 by Francis Robbins Upton, an associate of Thomas Edison. George Andrew Darby patented the first European electrical heat detector in 1902 in Birmingham, England. In the late 1930s, Swiss physicist Walter Jaeger tried to invent a sensor for poison gas.https://en.wikipedia.org › wiki › Smoke_detectorSmoke detector - Wikipedia triggers the retainer to release the fire door, allowing the door closer to close the door. Dorgard units can also be used on heavier fire doors.