19
Manual: NGP-300D
10.
On the second cycle, open the Nitrogen Test Port Valve
(Green Handle) located on the inside of the cabinet.
11.
Turn on the Nitrogen Analyzer. See Figure 19. For more in
-
formation on the Nitrogen Analyzer
go to
Nitrogen Analyzer
Instructions
. See page 31.
12.
Attach the Nitrogen Analyzer to the Nitrogen Test Port.
13. The nitrogen purity level reading should climb to 98%+. If
not go to
Troubleshooting
. See page 21.
14.
Close the Nitrogen Test Port Valve (Green Handle) and dis
-
connect the Nitrogen Analyzer. Make sure to power off the
Nitrogen Analyzer.
15.
Do not leave the Nitrogen Test Port Valve (Green Valve) open
for more than 2 minutes. The purity level may drop and fill
times will be lengthened.
8.
When the nitrogen storage tank pressure reaches 75±3
PSI,
the Nitrogen Solenoid light will turn OFF and the nitrogen
membrane pressure will go to zero (0). See Figure 18.
9. Repeat steps 5-8 a second time to ensure nitrogen storage
tank fill up times are consistent.
16.
Go to the end of the system where the NGP-SPV or INS-PV
was installed. Open the ball valve to allow the units to begin
purging. For the NGP-SPV, remove the plug covering the ex
-
haust orifice.
17.
For INS-PV, press "Start Purge" button. For more informa
-
tion on the INS-PV or if an INS-RA is installed, refer to man
-
ual #5401532.
18.
The system is now in operation.
Figure 18
Figure 19
Figure 20
Open Position
firealarmresources.com