Hach QC8500 Series 2 User Manual page 19

Installation
Figure 12 Power cord connection
1 Power cord 2 Main supply socket
4. Connect the analog cable to the back of the pump (Figure 13).
Figure 13 Analog cable connection
5. Connect the other side of the analog cable to the left panel of the QuikChem System
Unit. Refer to section 3.1.3 on page 11.
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