Metrohm 920 Absorber Module - Manual (Page 72)

4.6 6-port valve
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64 ￭￭￭￭￭￭￭￭
920 Absorber Module
Connecting the 6-port valve
6.1803.030
6.1803.160
6.1803.030
6.2744.010
6.2744.010 6.2744.010
6.2744.010
6.1831.040
6.1825.290
1 2
3
4 5
6
Figure 18 Connecting the 6-port valve
1 Connecting port 1
￭ Tighten the loose end of the PEEK capillary connected to port 1 of
the 10-port valve (17-2) to port 1 of the 6-port valve using a pres-
sure screw.
2 Connecting port 2
￭ Push one end of the PTFE capillary, 0.75 mm ID / 3 m
(6.1803.160), (17-1) through a capillary feed-through below the
bottle holder from the back towards the front of the instrument.
￭ Push the pressure screw over the end of the PTFE capillary far
enough that approx. 4 mm of the capillary is exposed.
￭ Screw the pressure screw in place at port 2 of the 6-port valve.
￭ Shorten the other end of the capillary using a capillary cutter so
that it reaches the waste container.
￭ Fasten the end to the waste container.
3 Connecting port 4
￭ Push one end of the PTFE capillary, 0.5 mm ID / 3 m
(6.1803.030), (17-18) through the cable feed-through at the bot-
tom left on the front of the instrument and then route it up to the
6-port valve through the two capillary guides on the left inside the
instrument.