Metrohm 940 Professional IC Vario ONE/SeS/PP/Prep 2 - Manual (Page 61)

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
3 Installation
940 Professional IC Vario ONE/SeS/PP/Prep 2 (2.940.1520)
￭￭￭￭￭￭￭￭ 51
3.18 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 16, page 51) can have two valve positions:
Filling and Injecting. Switching is used to connect two different connec-
tions together in each case.
Figure 16 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.