Fire Alarm Door Release Relay

Relay module 55 043 provides two sets of form c dry relay contacts that switch together one dpdt relay. The module is compatible with fike s cyber cat and cheetah xi intelligent control panels. These contacts can be used to control external appliances such as dampers fans door holders etc.

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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.

Fire alarm door release relay.

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 door access control reader and the electric lock can be wired to the fire alarm in a number of different ways. The door release module is an interface designed to enable eaton s addressable fire alarm systems to work in tandem with door holders retainers. 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. Today open area smoke detectors are most often used. Tutorial para sa relay module ng fire alarm. Integrating fire alarm control using direct wiring.

Schematic diagram showing how to land the wires when using an auxiliary. It ensures that in the event of a fire or a fault on the fire alarm system any doors that are. In this next section you will learn why. 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.

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