Fire Alarm Door Release Relay

The door access control reader and the electric lock can be wired to the fire alarm in a number of different ways.

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. Integrating fire alarm control using direct wiring. The module is compatible with fike s cyber cat and cheetah xi intelligent control panels. In this next section you will learn why.

The door release module is an interface designed to enable eaton s addressable fire alarm systems to work in tandem with door holders retainers. 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. Today open area smoke detectors are most often used. These contacts can be used to control external appliances such as dampers fans door holders etc.

According to section 5 14 6 3 when smoke alarm units are used to release doors they must be listed for smoke control. The use of 120vac smoke alarms for the automatic release of smoke doors in a facility was once a common method of smoke control. 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. 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.

Relay module 55 043 provides two sets of form c dry relay contacts that switch together one dpdt relay.