General Air Products NGP-WM300, Installation, Operation And Maintenance Manual, Page: 24 / 36

1-800-345-8207
Section 11 - Nitrogen Generator Leak Check Method
irst isolate the nitrogen generator ro the ire rotection s ste b closing the ball valve locate on the o tlet
o the nitrogen storage tan . no ball valve as installe close the valves installe bet een the s rin ler
s ste an the nitrogen generator.
Recor the ti e the nitrogen generator as isolate an the s rin ler s ste s ervisor ress re. his ill be
se to eter ine i there is a lea on the s rin ler s ste si e.
o er the nitrogen generator.
n the cabinet s itch the itrogen ir ill Valve to the ir ill osition.
5 lose the itrogen tlet Valve.
lose the itrogen est ort Valve .
ha st all the gas b sing the ball valve on the nitrogen storage tan .
o er the nitrogen generator. he o er n light on the o tsi e o the cabinet sho l t rn green.
llo the ress re in the nitrogen storage tan to rise.
nce the air co ressor has t rne o recor the ress re on the nitrogen storage tan .
et the nitrogen generator sit or 0 in tes. he air co ressor sho l t rn on ring this ti e.
Rechec the nitrogen storage tan ress res. he ress re sho l not change.
there is a ress re ro the nitrogen generator has a lea . oa the ittings in
the nit an an ittings that are loose.
there is no ress re ro this in icates there is a lea on the s rin ler s ste si e. Ret rn to the
s rin ler s ste to see i there has been a ress re ro on the s ste ring tro bleshooting. i
s rin ler lea s be ore tting the nitrogen generator bac into service.