Culligan Aqua-Cleer Series Installation, Operation & Service Instructions With Part List page 24

The Aqua-Cleer 30 uses a flow control assembly to restrict the flow of waste water to the drain. This restriction helps maintain
pressure against the membrane. The sizing of the flow control assembly determines the recovery rating of the system. The
Aqua-Cleer -30 is manufactured with a recovery rating designed to be around 25%. Depending on temperature, pressure and
tolerances the actual recovery value may be slightly different for each system.
For maximum efficiency on most soft water installations the standard flow control assembly can be replaced with a 40% flow
control assembly.
Adjusting the recovery rating requires replacing the flow control assembly. Refer to the page 10 for a detailed description of
steps involved in this modification.
Performance Measurements
Note: Changing the flow control voids the NSF listing. Remove the NSF data label from the system if you adjust the
flow control. Changing the flow control voids the California Department of Public Health Certifications.
When collecting water samples from the manifold, insert a short 2"-3" length of tubing into the fitting on the manifold to catch
the water sample.
Measuring TDS Levels
This procedure requires the use of a Total Dissolved Solids (TDS) meter
(figure 17) (P/N D0-4705-04). On a triple-range meter, always set the instrument on its highest scale and work down until the
proper scale is reached. The meter can be damaged if the needle is allowed to run off the scale.
To accurately check RO membrane performance, water samples should be taken directly from the product water outlet on the
manifold assembly. Avoid taking samples from the faucet.
Measure and record the TDS level of the feed water and product water
as follows:
• Rinse the cell cup twice with water to be tested, then fill to the top.
• Press the button on the front of the meter and read the dial for the dissolved
solids content of the product water in parts per million (ppm).
22 Culligan Aqua-Cleer Drinking Water Systems
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Figure 17