General Air Products NGP-WM300, Installation, Operation And Maintenance Manual, Page: 23 / 36

1-800-345-8207
Alarm 4 and 5 – Compressor 1 and 2 Overload
Issue: o ressor 1 or overloa rela has tri e .
Answer:
Reset overloa rela an chec ra .
e brane ress re is too high a st relieving valve to 100 si.
o voltage at co ressor eas re voltage in nitrogen cabinet hile co ressor is r nning.
ncrease ire ga ge as re ire .
hec or echanical bin ing in co ressor ith o er o .
Issue: The air compressor does not turn on .
Answer:
ns re the o er isconnect s itch is in the osition an ro erl ire .
hec the ress re ga ge on the nitrogen storage tan . ote: he nitrogen generator s ste ill not t rn on
nless the nitrogen ress re is belo 0 .
a e s re all valves are o en or close here necessar .
hec or alar s.
5
5
5
Issue: The air compressor takes too long to fill.
Answer:
1. on ir all valves are in the correct osition. When illing the s rin ler s ste ens re the itrogen ir ill Valve
is in ir ill osition. r ing to ill the s rin ler s ste thro gh the e brane ill res lt in long ill ti es an
ossibl a age to the co ressor. ee tan ar ir illing etho or o eration on ho to ill the s rin ler s ste .
. hec the nitrogen generator s ste or lea s.
. hec the s rin ler s ste or lea s.
Issue: Nitrogen membrane pressure is lower than 80 PSI (when the compressor is ON).
Answer:
ns re all the ball valves are in the correct osition or itrogen o e go to itrogen illing roce re.
st the nee le valve on the insi e o the cabinet to nitrogen.
NOTE:
itrogen storage tan nee s to be at 0 hen a sting nee le valve.
hec e brane ress re. t sho l be bet een an 100 .
lose itrogen est ort Valve.
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