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Choosing which fire alarm & detection system is best to specify and when?

Which system?

On occasion the choice of fire systems can be daunting, especially when considering the perfect fire system to suit your project. The guidance below is a good place to start.

For additional support contact our Customer Services team who will be happy to help you. 



For smaller builds.

Typical conventional fire system layout

Conventional fire systems revolve around dividing the building into a number of areas called zones. Detectors and call points within each zone are then wired on a dedicated separate circuit.

If a detector or call point is triggered, the panel can identify which circuit contains the triggered device and thereby indicate which zone the fire alarm has come from. The indicated zone can then be manually searched to locate the triggered device.


For new systems/system extension.

BiWire flexi fire system layout

Based on standard conventional system technology, two-wire fire systems incorporate additional functionality to enable the callpoints, detectors and sounders for each separate zone to be wired on a single common circuit. By doing so considerable savings in installation time and cabling can be achieved. 

Eaton's BiWire Flexi panel combines two technologies so that it can be configured to allow either two-wire or conventional devices to work on a zone.


For medium to large builds.

Typical addressable fire system layout

Addressable fire systems overcome the limitations of conventional ones as each fire detector or call point is electronically coded with a unique 'address' programmed into the device during installation.

The control panel uses the unique address to communicate with the connected addressable devices. Interrogating each device it can determine its status, if it's working correctly and the amount of smoke/heat that its currently sensing, pinpointing exactly which device is being triggered in an alarm or fault status. 

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