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NOTE: If AMD’s not installed, filling process is complete.
iii. Close the AMD’s fast fill valve and open the AMD’s regulated valve.
iv. Open regulated valve AMD’s on any system not being filled that were previously
closed.
f. Initiate the fourteen (14) day nitrogen inerting process (See Nitrogen Inerting Process).
g. Once the nitrogen inerting process is completed, the nitrogen generator will continue to
automatically operate when any of the associated sprinkler systems require nitrogen.
Nitrogen Inerting Process
1. Standard Vents
a. Open the ball valve on the Standard Vent to initiate the fourteen (14) day nitrogen
inerting process.
b. Close the ball valve on the Standard Vent at the completion of the fourteen (14) day
nitrogen inerting process.
2. SMART Vents
a. Press the “Vent” pushbutton on the SMART Vent Controller which energizes the solenoid
on the SMART Vent to initiate the fourteen (14) day nitrogen inerting process.
b. At the completion of the fourteen (14) day nitrogen inerting process the SMART Vent
Controller will automatically close the vent by de-energizing the solenoid.
3. AdvancedIQ Vents
a. Press the “Vent System” pushbutton on the AdvancedIQ Vent Controller which initiates
the fourteen (14) day nitrogen inerting process.
b. At the completion of the fourteen (14) day nitrogen inerting process or when the nitrogen
purity has obtained 98%, AdvancedIQ Vent Controller will automatically cease the
nitrogen inerting process.
Normal Operation
Once in service, the nitrogen generator requires no additional intervention to function properly.
Generator settings should not be altered without consulting ECS and the unit should not be powered
down for any reason other than maintenance. To take the generator out of service for maintenance,
follow these steps:
1. Close the AMD regulated and fast fill valve on the appropriate fire sprinkler system.
2. Power off generator cabinet.
3. Depressurize the nitrogen generator cabinet before performing any work.
Fire Sprinkler System Maintenance Procedure
In the event the fire sprinkler system requires maintenance or repair, the following procedure ensures the
nitrogen inerting process will continue to function properly.
1. Close the AMD regulated and fast fill valve on the appropriate fire sprinkler system.
2. Depressurize the fire sprinkler system.
3. Complete the maintenance or repair work on the fire sprinkler system.
4. Refill the sprinkler system with air in compliance with the NFPA 13 30-minute fill requirement.
5. Open the appropriate fire sprinkler system AMD to pressurize the appropriate fire sprinkler
system (See System Filling Procedure).
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