MNL000447.doc
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09/19/2016
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Confidential and Proprietary Data
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8.
The controller will make several checks for adequate
purge pressure and vacuum and proper closure of the
manual process isolation valve for the Line. Any
fault will stop the process and alarm.
9.
The controller will initiate a sequence of evacuation and pressurization steps
until the configured number of cycles are completed.
10.
To stop the purge sequence before completion, press the "STOP ROUGH
LINE" button on the Main Menu. If the Line purge sequence is interrupted,
the full procedure will be repeated when restarted.
11.
When completed, the major portion of the hazardous process gas in the
process line has been removed.
12.
Do not perform maintenance unless the line is purged with an inert gas
through the process tool. This must be performed using Manual Operation
detailed in Section 8.6.