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:
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01A 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;
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02A 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 |
