Hach POLYMETRON 8544 Manuel D'utilisation page 12

Figure 7 Electrical wiring connection—Chemical system
Connect the junction box (optional)
The manufacturer recommends that a junction box is used to connect the POLYMETRON
9500 series or SC200 controller to the system. Then, the cleaning interval is configured at the
controller.
1. Complete the steps shown in Figure 8.
2. Connect the power, controller cable and electrovalve cable to the junction box terminal. Refer to
Table 5.
3. Connect the controller cable to the controller relay. Refer to the controller documentation.
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