GE AKTA avant User Manual page 115

Flow path
The second Column valve (V9-C2 or V9H-C2) is connected after the standard Column
valve (V9-C or V9H-C). Port Out of the standard Column valve is connected with port In
of the second Column valve. Ten columns can now be selected in UNICORN.
Note:
Connect tubing
For an illustration of standard tubing labels see Tubing labels, on page 432.
Step
1
2
ÄKTA avant User Manual 29035184 AE
The standard Column valve (V9-C or V9H-C) must be connected before the
second Column valve (V9-C2 or V9H-C2). Otherwise, the pressure monitors
will not function correctly.
Action
Remove the piece of standard tubing between the Injection valve (V9-Inj or
V9H-Inj) and the standard Column valve (V9-C or V9H-C).
Connect tubing between the Injection valve, column valves and the UV
monitor according to the following table.
4 Optional instrument modules
4.4 Second Column valve
115