The four main types
There are four main types of fire alarms: Conventional, Addressable, Analogue and Wireless. Many fire protection providers tend to specialise in one type of solution which limits their technical expertise.
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Fire Alarm FAQs
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FIRE alarm Types Cheltenham
Conventional Fire Alarms
A Conventional Fire Alarm System can incorporate several call points and detectors that are wired in zones into the system control panel. A zone is a circuit covering areas such as a whole floor or large rooms, wired together as a fire compartment zone. Creating zones allows the control panel to determine where a fire has occurred and provides zone location information to the building management and fire service.
Addressable Fire Alarms
An Addressable Fire Alarm System has a more in-depth detection principle than a conventional fire alarm system as it can determine exactly which smoke or heat detector, or call point has initiated the alarm. The detection circuit is wired as a loop and can accommodate various detectors and devices that connect back to the central control panel. Each detector and device have an address associated so that the control panel can identify with the device that triggered the alarm signal.
Analogue Fire Alarms
The type of Analogue Fire Alarm if determined by the protocol they use. The Standard Analogue Fire alarm utilises detectors that only give output signals representing the pre-defined value. The systems control unit must decipher whether the signal represents a fire, fault or operational alert.
Intelligent Analogue Addressable Fire Alarm Systems incorporate detectors with additional technology that evaluates the environment around it and communicates to the Control Panel whether there is a fire, fault or the detector’s head needs cleaning. Their primary purpose is to help prevent the occurrence of false alarms.
Wireless Fire Alarms
An effective alternative to a traditional wired fire alarm system with the main advantage of not having to run cables. Cable systems take longer to install and can cause damage to the building fabric during installation. Installing a wireless fire alarm can provide saving on labour and redecoration costs.
Detectors and call points on a wireless system transmit back to the control panel via secure wireless radio bandwidth. The bandwidth used by the alarm systems can be adjusted to avoid interference with any other nearby systems.
A wireless system can encompass all the properties of analogue addressable fire detection system without the need for cables.
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