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venting_pumping_intermediate_image_box [2024/01/11 14:51] noji [Venting the Chamber] |
venting_pumping_intermediate_image_box [2024/01/11 16:21] noji [Emptying Detectors] |
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===== 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. | ||
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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 |