| 摘要 |
PROBLEM TO BE SOLVED: To confirm the presence/absence of disconnection of a fire indication control wire by an indicating lamp lighting test. SOLUTION: This fire alarm facility includes: a fire receiver having a plurality of fire detecting circuits provided corresponding to a plurality of sensor circuits and a plurality of switches provided corresponding to the plurality of sensor circuits and closed when the corresponding fire detecting circuit detects a fire; a fire indicator having a plurality of indicating lamps provided corresponding to the plurality of sensor circuits; and a plurality of fire indication control lines provided corresponding to the plurality of sensor circuits and connecting the corresponding switch and indicating lamp, wherein an indicating lamp test switch is provided on the fire indicator, an on-state detecting circuit for detecting on-state of the indicating lamp test switch is provided on the fire receiver, the indicating lamp test switch and the on-state detecting circuit are connected by the indicating lamp test line, and when the on-state detecting circuit detects the on-state of the indicating lamp test switch, the plurality of switches are closed to make a lighting test for the plurality of indicating lamps. COPYRIGHT: (C)2008,JPO&INPIT
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