| 摘要 |
PROBLEM TO BE SOLVED: To realize emergency water draining by simply releasing a water drainage stop from a sprinkler head by a fire sensor which does not detect a fire. SOLUTION: This sprinkler fire-fighting facility includes an emergency water drainage switch 32 which controls to open a control valve 18 by pseudo-outputting a fire signal in a state that a stream water is detected by a stream water detecting unit 16 and the control valve 18 is controlled to a closed state due to the no fire signal from a fire reception signal panel 1. In this case, the emergency water drainage switch 32 may be used also as a fire decision switch 33 provided on the fire reception signal panel 1. COPYRIGHT: (C)2005,JPO&NCIPI
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