Under non-emergency conditions the EWS system may be used to distribute background music and routine public address announcements. For instance, receipt of an initiating signal may lead to the shutdown of air conditioning and activation of smoke control exhaust fans and automatically open or close fire doors or shutters.Īt any time authorised Fire Wardens or Fire-fighting Personnel may take control of the EWS system An emergency public address microphone allows the broadcast of verbal messages to building occupants in all or selected areas via the zone loud speakers. ‘Cause and Effect’ mapping is the process of activating outputs depending on which inputs have been activated. Then depending on the specific zone, a certain number and type of device is added to the zone to perform its given job. Similar to Conventional Fire panels, zones are usually made by dividing a building or area into different sections. Output devices are used to control a variety of functions such as -Īctivating another fire alarm panel or communicator
#Fire alarm control panel manual#
Manual call points or manual pull stations Heat detectors (both Rate of Rise and Fixed Temperature) Common addressable input (initiating) devices include. Large systems may have multiple SLCs.Įach device on an SLC has its own address, and so the panel knows the state of each individual device connected to it. Addressable panels are usually more advanced than their Conventional Panel counterparts, with greater information capacity and control flexibility.Īddressable Fire Indicator Panels employ one or more Signalling Line Circuits (SLC) - usually referred to as loops or SLC loops - ranging between one and thirty.Įach SLC monitors the devices connected, which can number from a few devices to several hundred, depending on the manufacturer.
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