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Analogue Addressable Fire AlarmsAnalogue Addressable Fire Alarm Systems differ from conventional systems in a number of ways, adding more flexibility, intelligence, speed of identification and scope of control. Addressable systems are usually installed in larger premises where detailed location information is required. This can then be provided to the Fire Service, minimising search times. Typical applications are schools, colleges, hotels, hospitals, industrial premises, nursing homes and complex officesThere are several key differences with analogue addressable fire systems : Each detector, or call point has its own unique address and descriptive text which, is displayed on a control panel when the device activates. Analogue sensors are wired on a continuous loop of cable with zones programmed via lap top computer not hard wiring. Sounders may either be conventionally wired or by using addressable sounders, wired upon the "loop" thereby making considerable savings in terms of cable and labour. The system may contain one or more loops depending upon the size of the system and design requirements. The fire control panel 'communicates' with each detector individually and receives a status report e.g. Healthy, In Alarm or in Fault etc. As each detector has an individual 'address' the fire alarm control panel is able to display/indicate the precise location of the device in question, which obviously helps speed the location of an incident and for this reason 'zoning' of the system is not strictly necessary, but is often done for convenience. Analogue smoke detectors can be programmed to warn of a nearing false alarm condition by triggering a local alert at the control panel known as a Pre-Alarm. The programming of an analogue addressable system can be very complex allowing complex cause & effect to be programmed to assist with phased evacuation. Depending upon the requirements, limitless fire plans may be configured. AFP 1 or 2 Zone Fully Analogue Addressable Fire Alarm Panel Fully compliant with EN54 parts 2 & 4, this panel offers high performance at a competitive price.Attractively designed, easy to use and simple to install, the AFP's improved specification now includes delay timers, phased evacuation facilities, adjustable contamination levels, the programming of non-fire events and additional auxiliary inputs and outputs. These new features, combined with the panel's comprehensive range of existing features and straightforward programming via the AFP's intuitive upload/download programming software, make it the obvious choice for all one or two loop analogue addressable fire alarm applications. Panels are supplied with an integral loop driver already fitted and are expandable to two loops via the AFP702 plug-on loop driver. For basic single loop applications that do not require repeater panels, a low-cost non expandable version of the AFP is also available.
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