Metrohm 772 Pump Unit - Manual (Page 20)

3.3 Connecting the peristaltic pump
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772 Pump Unit
1 2 3 4 5 6
Figure 8 772 Pump Unit via the Remote Box and 731 Relay Box
1 Sample Processor 814, 815, 855, 864
Connection via remote interface. 2 Remote Box (6.2148.010)
3 Remote cable (6.2125.100) 4 731 Relay Box (2.731.0010)
5 Adapter cable (6.2160.010) 6 772 Pump Unit
Note
Ensure the correct polarity of the banana plugs.
The red plug (positive pole) belongs in the red socket, the black plug
(negative pole) belongs in the black socket. Reversing the polarity of the
connecting plugs also reverses the direction of pumping.