Hach WDMP sc, User Manual, Page: 16 / 74

3.3 Plumbing
3.3.1 Move the standpipe up
The standpipe that contains the pH probe and optional ORP probe is lowered for shipment. Move the
standpipe up before use. Refer to the illustrated steps that follow.
3.3.2 Install the pH and ORP probes
The factory installs the pH and optional ORP probes when there is no risk of damage from cold
weather. During cold weather, the factory sends the probes in a different package for installation by
the user.
Refer to
Figure 9 and the steps that follow to install the probes.
1. Pull to remove the probe adapter from the sensor port.
2. Install the probe adapter on the probe.
3. Remove the protective cap from the probe.
4. Push to install the pH or ORP probe in the sensor port. Make sure that the O-ring in the probe
adapter stays installed.
5. Connect the probe cables to the junction box or controller.
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