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PurposeInstructions/Links
System Startup Procedure

QT System Starting Procedure

Cooldown

Dewar Cooldown Procedure

Cleaning (Liquefier)
  1. Dewar Cleaning Procedure (using the transfer line)
  2. Dewar Cleaning Procedure (using the outlet MFC and its bypass)
  3. Liquefier Cleaning when Dewar contains LHe
Cleaning (Purifier)
  1. Cleaning QT purifier Helium-space (pumping-purging the purifier)
  2. Cleaning QT purifier LN2 space
Cleaning (HR3 piping)Purging HR3 after a maintenance
Fills

Filling LN2 to the purifier using a portable Dewar

For planned power outage

Shut Down and Restart Procedures



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