venting_pumping_intermediate_image_box
Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision | ||
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venting_pumping_intermediate_image_box [2024/01/11 14:51] noji [Venting the Chamber] |
venting_pumping_intermediate_image_box [2025/12/01 12:36] (current) pereira [Venting the Chamber] |
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| * [[#General information]] | * [[#General information]] | ||
| * [[#Emptying Detectors]] | * [[#Emptying Detectors]] | ||
| + | * [[#Venting the Chamber]] | ||
| + | * [[# | ||
| * [[#Filling and Running Detectors]] | * [[#Filling and Running Detectors]] | ||
| * [[# | * [[# | ||
| Line 22: | Line 24: | ||
| ===== Emptying Detectors ===== | ===== Emptying Detectors ===== | ||
| + | - Double check that the detectors have been unbiased. | ||
| - Set “PPAC Setpoint” to 0 Torr. | - Set “PPAC Setpoint” to 0 Torr. | ||
| - Click **EMPTY** on the “GHS_II-PPAC_Main” page to open valves #3 and #4 which will allow for pumping out the gas quickly. | - Click **EMPTY** on the “GHS_II-PPAC_Main” page to open valves #3 and #4 which will allow for pumping out the gas quickly. | ||
| Line 28: | Line 31: | ||
| - Valves #1-5 should be closed and valve #6 should remain open. From this state click **VENT** and then **PUMP** to enter pump mode and leave the system in this state until it is ready to be filled. | - Valves #1-5 should be closed and valve #6 should remain open. From this state click **VENT** and then **PUMP** to enter pump mode and leave the system in this state until it is ready to be filled. | ||
| ===== Venting the Chamber ===== | ===== Venting the Chamber ===== | ||
| + | Notify Control Room and Vacuum Groups that the chamber will be vented | ||
| From the S800 Main Vacuum page, go to the Intermediate Image - RBT_BTS32 D2430 Pumping Station page, and ensure | From the S800 Main Vacuum page, go to the Intermediate Image - RBT_BTS32 D2430 Pumping Station page, and ensure | ||
| Line 37: | Line 41: | ||
| To vent the chamber: | To vent the chamber: | ||
| - | - Put the GHS in vent mode by clicking **VENT** (valves #5 and #6 are open), | + | - Let the Control Room and the Vacuum Operation Group be aware as EXP alarms may occur, |
| + | - put the GHS in vent mode by clicking **VENT** (valves #5 and #6 are open), | ||
| - monitor **RBT_BTS32: | - monitor **RBT_BTS32: | ||
| - ensure that **RV**, the valve to the roughing pump, is closed, and | - ensure that **RV**, the valve to the roughing pump, is closed, and | ||
| Line 44: | Line 49: | ||
| The PPAC pressure S800_GHS: | The PPAC pressure S800_GHS: | ||
| RBT_BTS32: | RBT_BTS32: | ||
| - | ===== Evacuating | + | ===== Pumping down the Chamber ===== |
| Ensure | Ensure | ||
| Line 65: | Line 70: | ||
| - Be sure to go back to S3 and close the manual valve. | - Be sure to go back to S3 and close the manual valve. | ||
| ===== Filling and Running Detectors ===== | ===== Filling and Running Detectors ===== | ||
| - | - If in Vent Mode, click **PUMP** then click **RUN** to enter Run Mode. | + | - If in Vent Mode, click **PUMP** then click **RUN** to enter Run Mode. The valves #1 opens and #3 remains open (#5 and #6 will be closed, and the GHS lines will be isolated from the chamber). |
| - If in Pump Mode, click **RUN** to enter Run Mode. | - If in Pump Mode, click **RUN** to enter Run Mode. | ||
| - Plot and monitor IG_D2430: | - Plot and monitor IG_D2430: | ||
venting_pumping_intermediate_image_box.1705002706.txt.gz · Last modified: 2024/01/11 14:51 by noji
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