16 installing the 6-port valve, Figure 14, Port valve – positions – Metrohm 940 Professional IC Vario ONE/Proep 2 User Manual
Page 46
3.16 Installing the 6-port valve
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940 Professional IC Vario ONE/Prep 2 (2.940.1120)
3.16
Installing the 6-port valve
During sample preparation, the 6-port valve is used as a switch between
two different flows.
Connectors
The 6-port valve (like the injection valve) has six connections that can be
connected together depending on the application.
Connecting the 6-port valve
1 Connect all capillaries using PEEK pressure screws (6.2744.010).
Valve positions
The 6-port valve (see Figure 14, page 38) can have two valve positions:
Filling and Injecting. Switching is used to connect two different connec-
tions together in each case.
Figure 14
6-port valve – Positions
1
Filling
2
Injecting
Filling
Ports 2 and 3, 4 and 5 as well as 6 and 1 are
connected together in the Filling position.
Injecting
Ports 1 and 2, 3 and 4 as well as 5 and 6 are
connected together in the Injecting position.