9.8.2 Manual instructions - Flow path
The following table describes the flow path related manual instructions available for
ÄKTA avant.
DescriptionInstruction name
Sets the Injection valve to the selected position. The in-
struction gives an injection mark in the chromatogram
when the inlet valve switches to Inject or Direct Inject.
Note:
Sample pump load flow refers to the flow that enters
the injection valve via SaP port.
Injection valve
Turns the Column valve to the position specified in the
parameter Position.
Column position
Turns Inlet valve A to the selected position.Inlet A
Turns the Inlet valve B to the selected position.Inlet B
Sets the pH cell and the 0.2 to MPa restrictor in positions
inline or offline.
pH valve
The pH valve also has a calibration position. This position
is only available when performing calibration of the pH
monitor (In System control select System:Calibrate).The
calibration position can also be used to fill the pH cell
with storage solution since the pH valve is in open posi-
tion.
Note:
•
It is not possible to turn the pH valve during any type
of fractionation as it affects the delay volume.
•
The pH valve instruction can be given during the
delay volume of the different stop fractionation in-
structions, but it is executed only after the set delay
volume has been collected.
Turns the Sample inlet valve to the selected position.Sample inlet
Turns the Outlet valve to the selected position. The in-
struction gives a mark in the chromatogram when the
valve is switched to the selected position.
Outlet valve
Turns the Loop valve to the selected position.Loop valve
ÄKTA avant User Manual 29035184 AE 479
9 Reference information
9.8 Using Manual instructions
9.8.2 Manual instructions - Flow path
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