Analogue Addressable Fire System

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A system in which signals from each detector and/or call point are identified on the control panel with a text message.

Beam Detector

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This consists of an infra red light transmitter and receiver which work over distances of 10m - 100m and are therefore ideal for protecting buildings with large open areas.

Break Glass Call Point

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A switching device provided so that an alarm can be raised manually.

Conventional Fire System

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A system in which signals from each circuit are identified at the panel as a 'zone', multiple circuits are available.

Duct Probe Unit

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Designed to detect the presence of smoke within a ventilation unit. Can be used in conjunction with either an optical or ionisation smoke detector.

End Of Line Monitoring (EOLM)

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Units which detect the removal of a detector but enables call points wired after that point to remain operational.

Fire Alarm Control Panel

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Apparatus containing power supply, detection circuitry, and visual indicators.

Heat Detector

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An automatic detector which signals an alarm at a fixed temperature or a specific rate of rise in temperature, or a combination of both.

Ionisation Smoke Detector

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An automatic detector which responds to a presence of hot smoke in the chamber which triggers an ionisation monitoring current.

Loop Powered Sounder

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Audible device which derives its power from the detection loop. Only available on analogue addressable fire systems.

Mimic Diagram

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A topographic representation of the protected premises.

Monitored Wiring

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An open circuit or a short circuit failure will result in a fault warning.

Optical Smoke Detector

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An automatic detector which responds to the scattering of a light by smoke in the chamber.

Remote Alarm Indicator

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Gives a visual indication of a fire condition to someone in a different location. Usually consists of one LED.

Sounder

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A device which gives an audible warning of fire.

Xenon Beacon

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A device which gives a visible warning of fire.

Zone

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A subdivision of the protected premises which is indicated separately from other subdivisions on the fire detection system.