MNL000447.doc
Revision 0 0
09/19/2016
© Versum Materials, Inc. as of the revision and date shown. All rights reserved.
Confidential and Proprietary Data
Page
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To close a valve:
1.
Simply select the valve by touching the screen.
If hazardous process gas has been
introduced to the Distribution System
panel, the operator should open venturi
supply valve, V7, and confirm adequate
vacuum on PT5 before opening any vent
valve in Manual Mode.
Specific manual valves may have to be
opened during Manual Mode
operations. The operator must
understand the consequence of opening
a valve before performing this step. All
Line manual purge and vent valves must
be returned to closed positions after
completion of Manual Mode operations.
To SECURE Manual Mode:
1.
The Secure option will allow an operator to exit the Manual
Mode menu while remaining in manual mode with valves
open. The Secure option will not be selectable if no valves are
open. When the operator chooses Secure Mode from the
Manual Mode window, the controller will leave the bank in
manual and allow the operator to go to other screens. Any
open valves will remain open, and the Mode Status Box will
continue to indicate manual mode. Manual mode will remain