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Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
gas_handling_system [2017/06/07 13:15] pereira |
gas_handling_system [2018/04/11 16:12] pereira [Filling CRDC1 and CRDC2 with Gas] |
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* PanelMate **S800vac.ui page 07**: Focal Plane Detector | * PanelMate **S800vac.ui page 07**: Focal Plane Detector | ||
- | The gas handling systems for both Focal Plane gas-filled detectors – the [[Detectors# | + | The gas handling systems for both Focal Plane gas-filled detectors – the [[Detectors# |
Note that since the same roughing pump drives the gas handling systems for both gas-filled detectors, extra precautions must be taken to protect one detector from the pressure of the other detector. The fact that the same pump drives both systems is not indicated on the graphics for the LabView control application | Note that since the same roughing pump drives the gas handling systems for both gas-filled detectors, extra precautions must be taken to protect one detector from the pressure of the other detector. The fact that the same pump drives both systems is not indicated on the graphics for the LabView control application | ||
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* Ensure **I265GV** is closed (in PanelMate **S800vac.ui page 07**) to isolate focal plane vacuum chamber from the rest of the beamline | * Ensure **I265GV** is closed (in PanelMate **S800vac.ui page 07**) to isolate focal plane vacuum chamber from the rest of the beamline | ||
* Confirm that the focal plane chamber is under vacuum | * Confirm that the focal plane chamber is under vacuum | ||
- | * Confirm that the only open gas handling system valves are **4, 5, 6, 20, 21, and 22** | + | * Confirm that the only open gas handling system valves are **4, 5, 6, 7, 20, 21, 22 and 23** |
* (Check section on [[vacuum control|vacuum control]] for further details.) | * (Check section on [[vacuum control|vacuum control]] for further details.) | ||
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* Click the **Valves** tab at the top of the LabView window to return to the overview display of the gas handling system | * Click the **Valves** tab at the top of the LabView window to return to the overview display of the gas handling system | ||
- | * Close **valve 6** | + | * Close **valves |
* Open **valve 2**; the flow reading at MFC #1 should jump momentarily | * Open **valve 2**; the flow reading at MFC #1 should jump momentarily | ||
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* Click the **Valves** tab at the top of the LabView window to return to the overview display of the gas handling system | * Click the **Valves** tab at the top of the LabView window to return to the overview display of the gas handling system | ||
- | * Close **valve 22** | + | * Close **valves |
* Open **valves 10 and 15** | * Open **valves 10 and 15** | ||
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* Open **valves 6 and 22** | * Open **valves 6 and 22** | ||
- | * Enter S3 vault and close valves downstream of regulators in [[# | + | * Enter S3 vault and close valves downstream of regulators in [[# |
===== Tracking Gas bottles pressures ===== | ===== Tracking Gas bottles pressures ===== |