Inlets 3
Advanced Operation Manual 135
Setpoint dependencies
Some setpoints in the flow system are interdependent. If you
change one setpoint, other setpoints may change to
compensate.
Initial values
The table shows recommended starting values for selected
parameters.
Tabl e 34 Setpoint dependencies
When you change These setpoints change
Column defined Column not defined
Purging You can change the
Pressure and Total flow
setpoints; other
setpoints are not
affected.
Purge flow Total flow**
Pressure Total flow**
Column flow*
Column flow
*
* This setpoint appears in the column parameters.
**This value is actual only.
Pressure
Total flow **
Before and after sampling, not purging You can change the
Pressure setpoint; other
setpoints are not
affected.
Pressure Column flow*
Total flow **
Column flow* Pressure
Total flow **
During sampling:
You cannot change pressure and flow setpoints during sampling time.
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