When designing detection zones for a addressable fire alarm system, the following recommendations are applicable.
1) Zone indication should be given at the fire alarm control panel even if addressable text information is also available.
2) An addressable fire alarm should give a text display of the location of, at least, the first detector to respond to a fire is available at the control and indicating equipment, without manual intervention; and
3) the display, if necessary in conjunction with other information on, or adjacent to, the fire alarm, would enable fire-fighters, unfamiliar with the building, to proceed to the location of the fire.
NOTE For example, the fire alarm control panel may provide a text indication of room number, and a plan adjacent to the control and indicating equipment may show the location of the room.
Remote indication of fire detection that has operated.
There is a need for having remote indication of an activated fire detector, should the fire alarm activate. Any remote indicators should be clearly labelled to indicate their function. They should be sited and/or labelled in such as way as to assist in determining the location of the detectors that they serve.
Any fire alarm wiring between a detector and a remote indicator required for compliance with this part of BS 5839
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