Installing The 6-Port Valve; Figure 10 6-Port Valve - Positions - Metrohm 942 Extension Module Vario LQH Manual

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3.6

Installing the 6-port valve

1 Fill
942 Extension Module Vario LQH (2.942.0070)
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 10, page 23) can have two valve positions:
Filling and Injecting. Switching is used to connect two different connec-
tions together in each case.
Figure 10 6-port valve – Positions
Filling
Injecting
2 Inject
Ports 2 and 3, 4 and 5 as well as 6 and 1 are
connected together in the Filling position.
Ports 1 and 2, 3 and 4 as well as 5 and 6 are
connected together in the Injecting position.
3 Installation
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