Differences

This shows you the differences between two versions of the page.

--- venting_pumping_intermediate_image_box [2024/01/11 09:53]
noji [General information]
+++ venting_pumping_intermediate_image_box [2024/01/11 10:14]
noji [Venting the Chamber]
@@ Line 31: / Line 31: @@
 ===== Venting the Chamber =====
+From the S800 Main Vacuum page, go to the Intermediate Image - RBT_BTS32 D2430 Pumping Station page, and ensure
+  * that the PPACs have been unbiased,
+  * that this pumping station has been isolated by having the gate valves **D2426 BGV** and **D2436 BGV** closed, and that the IG has been turned off, and
+  * that the turbo pump gate valve TVG is closed.
+To vent the chamber:
+  - Monitor **RBT_BTS32:BPG_D2430:VP_RD** and **S800_GHS:PI_D2431:V_RD_AB** in a data browser,
+  - close **RV**, the valve to the roughing pump, and
+  - open **Vent**.
+The PPAC pressure S800_GHS:PI_D2431:V_RD_AB should closely follow the chamber pressure
+RBT_BTS32:BPG_D2430:VP_RD
 ===== Evacuating the Chamber =====
+{{:wiki:iimanualvalve.jpeg|}}
 ===== Filling and Running Detectors =====
   - If in Vent Mode, click **PUMP** then click **RUN** to enter Run Mode.

S800 Documentation