F IRE S UPPRESSION F UNCTIONS
The functions of the fire suppression system (FSS) are driven by the Smart Relay. Heat and smoke
sensors internal to the unit are used for fire detection, and the system can be activated manually
through the fire pull. The system behaves as follows:
If:
Then:
The Key Switch is turned OFF
The fire suppression system is deactivated
(Key will be retained)
The motor/VFD will shut down immediately, valve pulsing is shut down immediately, louver closes immediately, alarm/strobe will activate immediately, and the fire bottle is triggered after a 20 second delay. The motor/VFD will shut down immediately, valve pulsing is shut down immediately, louver closes immediately, alarm/strobe will activate immediately, and the fire bottle is triggered after a 20 second delay. The motor/VFD will shut down immediately, valve pulsing is shut down immediately, louver closes immediately, alarm/strobe will activate immediately, and the fire bottle will NOT be triggered. The motor/VFD will shut down immediately, valve pulsing is shut down immediately, louver closes immediately, alarm/strobe will activate immediately, and the fire bottle is triggered after a 20 second delay. The motor/VFD will shut down immediately, valve pulsing is shut down immediately, louver closes immediately, alarm/strobe will activate immediately, and the fire bottle is triggered immediately.
The Fire Pull is activated
The Primary Heat Sensor is
triggered
The Smoke Sensor is triggered
(Valve Compartment)
The Secondary Heat Sensor is
triggered
(Filter Compartment)
Fire detector hose burst/Fire
Pressure Switch is triggered
Note : Fire bottle uses ABC dry chemical or FM200.The default is the ABC dry chemical unless specially
requested.
Copyright © Clean Air Industries , Inc.
Liberty WeldCell User Manual, August 2023
Page 25 of 66
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