Escape routes the building must be niezagrożonymi fire zones, and therefore should be protected from possible smokiness.
At gravity system, smoke, during a fire, by means of electric drives are open holes in roofs or facades of buildings. Through these openings escape out toxic gases, smoke and hot air, making escape routes meet its actual function.
The system is activated by means of a smoke detector, Button smoke or external devices. In order to improve over the, is used in the lower parts of the building additional holes, Fresh air.
The correct functioning smoke exhaust system should contain:
Head smoke:
- inspection of the entire system
- time adjustment of ventilation
- alarm in case of disruption
- integrated service timer to control the maintenance and inspection system.
The smoke:
- Manual triggering of an alarm
- by LED indicates the status of the devices in the system
Smoke dampers and windows:
- equipped with actuators open and close, acting as a smoke
Windows aeration:
- automatically or manually opening windows provide the necessary air intake
Smoke detectors:
- in the event of a fire automatically trigger the smoke exhaust system.
Alarm devices:
- sound and light signals shall notify the resulting fire risk.
Weather sensors:
- pogodęyi monitor ventilation
Firma Iterm based on standards PNEN12101-6 and the Regulation of the Minister of Infrastructure 12 April 2002. on the technical, which should be met by buildings and their location is able to design systems for fire ventilation to allow safe evacuation of people from buildings at risk.