Hach WDMP sc, User Manual, Page: 17 / 74

Figure 9 Install the probes
1 Probe adapter 5 Sensor port for optional ORP probe
2 Protective cap 6 Standard conductivity probe
3 pH probe 7 Connections on the junction box
4 Sensor port plug
3.3.3 Prepare the CL17 chlorine analyzer
The CL17 chlorine analyzer comes with a startup kit and reagents. Refer to the CL17 user manual to
complete the tasks that follow.
• Install the stir bar in the colorimeter.
• Prepare the DPD indicator reagent.
• Install the reagents.
• Install the pinch plate on the pump/valve module.
3.3.4 Connect the sample and drain lines
The sample line connects to a ½-inch OD quick-connect tube fitting. The supplied drain tubing
connects to a ¾-inch barb fitting.
1. Install a pressure regulator in the sample line if the sample pressure is more than 862 kPa
(125 psi).
2. Push to install the sample line in the quick-connect fitting below the sample flow valve. Refer to
Figure 10 .
3. Use the supplied drain tubing to connect the panel drain to the external drains. Refer to
Figure 10 . Make sure that the drain tubing has a constant downward slope.
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