Irrespective of these downsides, They are really responsible in areas wherever other detection procedures could lead to Repeated false alarms, including boiler rooms or parts with heavy equipment. Turning on notifications: On acquiring signals in the inputs, the FACU will turn on the required notification units, often known as outputs. https://archermeujx.tkzblog.com/37584790/the-2-minute-rule-for-fire-alarm-systems