Next: Begin Condensing
Previous: Beginning an automated Pre-Cool
To empty the pre-cool circuit:
Empty the Pre-Cool Circuit
- Ensure that manual valves V11, V12 and V14 are all open.
- On the computer control panel, select refrigerator.
- Select empty the pre-cool circuit.
- A pop up will appear which reads:
This will start pumping on the cold part of the pre-cool circuit.
- Press Continue.
It will pump on the pre-cool circuit for
hours in order to
boil off any helium which has condensed in the pre-cool lines. If this
does not boil off, it will act as a heat load later, and may prevent a
full cool down.
Once this is complete, you are ready to
Running a Full Pre-Cool.
[Begin an automated pre-cool.]
[Empty the pre-cool circuit.]