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
Page 6
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Versum Materials Confidential
Bubbler Vent Operation (Start BULK VENT)
The Bubbler Vent operation opens the bubbler head space to the Venturi vacuum. This
allows for any head pressure to be vented from the Bubbler, refer to Figure 6-6.
To start Bubbler Vent operation:
1. Select CHEM ON from the pull-down menu of
Main Menu and click
Start BULK VENT
. The
Controller status box for Bubbler CHEM ON will
change to BULK VENT, in blue
2. Once line clear operation is started, the Stop
BULK VENT button will be enabled on the CHEM
ON Main Menu. Click on
Stop BULK VENT
any
time to stop Bubbler Vent operation
3. Bubbler Vent operation can be started unless
there is a shutdown alarm present in the cabinet