Differences

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

--- venting_pumping_intermediate_image_box [2018/12/19 11:48]
pereira [Filling Intermediate-image delay PPAC with gas]
+++ venting_pumping_intermediate_image_box [2018/12/19 11:54]
pereira [Removing gas from Intermediate-image delay PPAC]
@@ Line 118: / Line 118: @@
               * I1214V_NCL (enabled)
   * PanelMate box "Gas Removal Control" should indicate "OK to Start Gas Removal". Select that box and click on "Start Gas Removal"
-        * Valve V2 (Gas lin pmp out) will be opened and I214V_NCL will change from closed to "ENABLED"
+        * Valves V1 (I214 Gas Sup) and I214V_NCL will close
+        * Valves V3 (Flow Bypass) and Det Bypass (V5) will open
+        * I214CM Press Rdg will gradually decrease to zero
+        * GH System status should indicate "Gas Removal"
+  * When the gas is removed from the detector
+        * Valve V3 (Flow Bypass) and 4 (Det return) will close
+        * Valve V6 (Chamber Bypass) will open
+        * GH System status will indicate "Gas Removed"
+        * I214BON_CONFIM will change to "PPAC BIAS ASSUMED ON"
+        * The valves status will be: V1 (closed), V2 (closed), V3 (closed), V4 (closed), V5 (open), V6 (open), I214V_NCL (closed)

S800 Documentation