Chapter 6
– System Operation
MNL000627
Revision 0
06/25/2019
Chemical Equipment
© Versum Materials US, LLC. as of the revision and date shown. All rights reserved.
Confidential and Proprietary Data
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Versum Materials Confidential
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As chemical vapor is removed from the Bubbler, weight on Bubbler scale
decreases
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When weight decreases below Bubbler Start Refill setpoint, i.e. 65% found in
“User Setpoints” of the Configuration Menu. The Bubbler will remain in an
external refill mode until Bubbler level reaches Bubbler Stop Refill setpoint,
70%.
6.3 Operating Menu
6.3.1 Display Screen
Located on the front face of the controller, the display screen is an LED color touch
display that contains a graphical display of the Bubbler and External Refill, Shutdown
and Fault alarm boxes, a controller status box and selection window. The LED
display provides a lighted display, and visual indication of pneumatic valve positions.
Open valves are shown in red and closed valves are shown in green. The valve
condition colors conform to ISA standards
Figure 6-1: ChemGuard
®
CG050 Bubbler and External Refill Screen
