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  1. HR3 Manual
  2. HMI Interface and Connectivity Manual
  3. Dewars (A B) Manual
  4. Purifier Manual
  5. QT System P&ID Information
  6. Coldhead Compressors Manual
  7. HMI Cabinet Manual
  8. Pneumatic Air Supply Manual


Procedures

PurposeInstructions/Links
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
  1. OLD)
  2. Cleaning QT purifier LN2 space
Fills

Filling LN2 to the purifier using a portable Dewar

For planned power outage

Shut Down and Restart Procedures