Fire extinguishing installations

Fire extinguishing installations

A fire extinguishing system is operated by a fire extinguishing control unit. These installations must comply with the EN-12094-1 standard and SVI regulations.

A fire extinguishing installation can be operated in two ways:

  • 01
    A fire alarm installation, installed in a secured space containing an extinguishing system (dependent on a dual detector, alarm, forwarding of alarm, etc.), sends a signal to a fire extinguishing control unit. This activates, in turn, the extinguishing installation;
  • 02
    A fire extinguishing control unit (EN-12094) is installed, which operates the extinguishing installation and forwards the alarm to the fire alarm installation via potential-free contacts.

Automated fire extinguishing installation

Below you see the actions the installation generates by means of an automated fire detection (dual detector, two group-dependent or aspiration):

No. Action Additional comments
1 1st alarm
(1st detector gets notification)
optical & acoustic alarm (pulsing tone) goes off. This is also called a Slow-Whoop. Via the potential-free contacts (when implemented), a signal is sent to the alarm centre and possible air treatment systems are deactivated;
2 2nd alarm
(2nd detector gets notification)
optical & acoustic alarm (continuous tone) goes off. This goes off inside as well as outside the space;
a delay of 30 seconds is effected, after which the fire extinguishing installation is activated

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