Fire Alarm Door Release Relay

Then the auxiliary relay takes the voltage spike and the fire alarm control relay only has to turn off the auxiliary relay.

Fire alarm door release relay.

According to section 5 14 6 3 when smoke alarm units are used to release doors they must be listed for smoke control. Today open area smoke detectors are most often used. Developed to be compliant with the bs 7273 4 2015 code of practice for the fail safe operation of door release mechanisms and door holders. These contacts can be used to control external appliances such as dampers fans door holders etc.

To prevent transient voltage spikes from burning out the control relay contacts an auxiliary relay with big contacts should be installed between the fire alarm control relay and the door holders. The use of 120vac smoke alarms for the automatic release of smoke doors in a facility was once a common method of smoke control. It ensures that in the event of a fire or a fault on the fire alarm system any doors that are. The module is compatible with fike s cyber cat and cheetah xi intelligent control panels.

Schematic diagram showing how to land the wires when using an auxiliary. Relay module 55 043 provides two sets of form c dry relay contacts that switch together one dpdt relay. Integrating fire alarm control using direct wiring. We can use a relay to drop power to the electric lock or use an ip device that drops power using the network connection or add a power control box that drops power when the fire.

The door release module is an interface designed to enable eaton s addressable fire alarm systems to work in tandem with door holders retainers.