NITROGEN PRESSURE TEST
•
Once piping is complete, pressure test the system through both service valves
•
Start at 150 psi and hold for 3 minutes
•
Increase to 325 and hold for 5 minutes
•
Increase to 500 and hold for 1 hour
EVACUATION
•
Use a Micron Gauge
•
Connect to Liquid and Gas
•
Triple Evacuation is recommended
•
Ensures dry system
•
Often quicker
•
Pull down to 4000 microns
•
Hold for 15 minutes
•
Break with 3 psi of Dry Nitrogen
•
Hold for 20 minutes
•
Pull down to 1500 microns
•
Hold for 20 minutes
•
Break with 3 psi of Dry Nitrogen
•
Hold for 20 minutes
•
Pull down to 500 microns
•
Hold for 1 hour
•
Does not rise above 1000 microns
GR EE M ULTIPRO QUICK STA RT GUID E
| 1 2
Need help?
Do you have a question about the MULTIPRO GMV-V WL/C-T Series and is the answer not in the manual?