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Air Sampling Smoke Detection and Fire Detection System

1Air Sampling Smoke Detection

Smoke is detected at the fire's incipient stage. A fire in its earliest stage produces smoke undetectable by human senses, but a VESDA air sampling smoke detector provides early warning of the condition.

Fire Detection System and Fire Extinguishing System

2Very Early Warning Notification

A pre-warning signal is sent from the VESDA unit to the fire panel as a supervisory condition to notify personnel of an initial indication of invisible smoke.

3First Warning Signal and Alarm

As visible smoke builds, the "Fire 1" warning level is hit and the VESDA unit sends an alarm input to the fire panel, setting off the building fire alarm.

4Spot Smoke Detection

The system may be configured with a second type of detection, such as spot smoke detectors designed to detect smoke from a larger fire, sending a second confirming alarm input to the panel, confirming the need for suppression release.

5Countdown Begins To System Release

With confirmation of a fire, a new alarm sounds indicating the suppression system will release in 30 seconds. A system may also be deployed by way of a manual release station.

6HVAC Shut Down

The suppression system shuts down the power to the room's equipment, the HVAC units close dampers, and the room is prepared for discharge of the system.

7Suppression System Discharge

A third alarm sounds as the suppression system discharges, warning of release inside the room.

FEATURED BLOG POST

Engineered Corrosion Solutions: The Case for Automatic Air Vents

ORR Protection posted this on March 15, 2021

Bill Aaron, Director of Training at Engineered Corrosion Solutions, makes the case for the use of automatic air vents for NFPA compliance and to reduce corrosion by removing oxygen molecules.

Video Transcript:

The ECS automatic air vent uses...

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Engineered Corrosion Solutions: The Case for Automatic Air Vents

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