| http://www.w3.org/ns/prov#value | - In addition, even when the switching unit 154 is turned on by the temperature rise produced by a cause other than a fire and then outputs the sprinkler head operation signal to the operation monitor 100 when being cooled and assuming a switch-off state, since no water flow detection signal is obtained from the pressure switch 198, it is possible to prevent the operation monitor 100 from mistakenly
|
