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Operational Settings: QT_Operational_Settings.pdf
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Configurations for Cooldown and Production
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Procedures
- Shut Down and Restart Procedures
- Filling LN2 on Purifier Dewar
- QT System Starting Procedure
- Liquefier Cleaning when Dewar contains LHe
- Cleaning QT purifier Helium-space (pumping-purging the purifier)
- Cleaning QT purifier LN2 space
- Fixing dewar level indicator (related to (9))
- LHe Dewar cleaning procedure
- Cold-helium Circulation Procedure (Cooldown Transferline)
- Cleaning gHe outside tank using the purifier
- Resolving Liquefier Blocking Alarm when Liquefier is on Liquefy Mode
- Resolving Liquefier Blocking Alarm when Liquefier is on Idle Mode
- Purifier LN2 Fill Procedure-updated-labels.pdf ( Please use this updated one, or the original one on docdb 10337 by Jordan Bohn)
- LN2 Shield Fill Procedure-updated_labels.pdf( Please use this updated one, or the original one on docdb 10337 by Jordan Bohn)
- LHe fill procedure using a QT dewar
- LHe fill procedure using a commercial dewar
Important Cooldown > Liquefying modes information - QT Dewar Cooldown Mode from Room Temperature
- Bringing the Dewar Pressure down in Liquefy/Idle mode
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