Differences

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

--- venting_pumping_object_box [2024/02/06 09:35]
noji
+++ venting_pumping_object_box [2024/02/06 10:40]
noji
@@ Line 1: / Line 1: @@
 ====== Venting/pumping Object box ======
-===== Vent Object chamber =====
+In CS-Studio/Phoebus, from the S800 Main Vacuum page, go to the Object chamber page, opening the page shown below.
-From the S800 Main Vacuum page, go to the Object chamber page, opening the page shown in the figure below.
 {{:wiki:screenshot_from_2024-02-06_09-20-58.png|}}
-The vent valve should also be closed when you begin. Before you start venting, make sure of the following:
+===== Vent Object chamber =====
-  * The beamline gate valves D2341 BGV and D2303 BGV are closed
-  * The IG is off
+The vent valve and the roughing valve RV should be closed when you begin.
-  * The roughing valve RV is closed.
-  * The turbo pump gate valve TVG is closed. If the chamber will be vented for a long time, the turbo pump should be switched off .
 The venting procedure is as follows:
+  - Notify the Control Room and inform them that they can disregard the EXP alarm that will occur
+  - Make sure that the detectors inside the chamber have been unbiased
+  - Close the beamline gate valves D2341 BGV and D2303 BGV
+  - Turn off the IG
+  - Close the turbo pump gate valve TVG. If the chamber will be vented for a long time, the turbo pump should be switched off
   - Monitor the pressure RBT_BTS31:BPG_D2337:VP_RD in a data browser
   - Open the vent valve

S800 Documentation