from the plant environment. Once the suppression agent generator has been activated, power can be
turned off.
NOTE:
Opening the door will allow the fire suppressing agent to escape from the
unit and allow additional oxygen to enter the system.
7) Inspect
The suppression agent leaves a dust layer. The filters can then be inspected for damage and further
extinguished as required. Some or all filters will most likely need to be replaced. Please inspect your
unit for possible damage before reinstalling undamaged filters.
8)Restart
Turn the key switch to the off position to temporarily deactivate the FSS to prevent initial false alarms
due to contamination beyond the filters. Turn on the main power and cycle the unit power disconnect
from off to on. This will res et the system. Check to be sure the unit’s smoke detectors are showing
green flashing lights. Run the unit for a short period of time to purge any residual smoke. Clean the
smoke detector with compressed air if required. Once the unit has been cleaned, the key switch can
be turned to the on position to reactivate the FSS and allow proper detection. This may take several
cleanings.
9)Reset
The FSS can also be reset by pressing the FSS Reset button on the Virtual Screen or the HMI(if
available).
10) Install the Replacement Generator
In the filter compartment, disconnect the suppression agent generator and remove it from its mount.
Install the new generator in its place and re-terminate the control wiring on the new generator.
11) Normal Operations
Return to normal operation. Inspect hood pick up point system to determine a corrective action to
minimize the opportunity for an ignition source reaching the filters.
The fire suppression behavior is noted in Table 1 below:
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