Conditions: HR3 is OFF
- Close MV101 (supply) and MV102 (return)
- Connect a He cylinder to L3 (Helium purge inlet) - Regulate 10 psig
- Open Vmup
- Ensure V30, V35, V9a, V21a, V11A, V14, SV03, REGX are open
- Open VHSV and the rotatable valve on the top of the line
- Check the gauge and make sure that it reads 10 psig
- Start HR3
- Slowly open V17 and vent
Measuring the purity:
Measure from SVSAMPLE or at the vent near V17
Turning OFF HR3 after purging:
- Press the Emergency Stop and right after that close V17 (Flow on FI01 will be zero)
- Close SVSAMPLE
- Close Vmup
- Close the bottle