I have a variable speed pump.  The question is, when I am at the low speed I suspect the flow will not be enough for the flow switch to read so it will not produce salt. Is this correct? Will this harm the system?If I purchase this my plan is to set the pump speeds to get the chlorine level I need. Pool is 15000 gallons CircuPool® Classic Combo (Salt Chlorinator + Pump) CORE Series

Question

I have a variable speed pump.  The question is, when I am at the low speed I suspect the flow will not be enough for the flow switch to read so it will not produce salt. Is this correct? Will this harm the system?If I purchase this my plan is to set the pump speeds to get the chlorine level I need. Pool is 15000 gallons CircuPool® Classic Combo (Salt Chlorinator + Pump) CORE Series

Status: Open May 19, 2022 - 12:00 AM

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May 20, 2022 - 12:00 AM

A salt system only needs a pretty minimal amount of flow, in many cases in the 20-30 gpm range. You would want to simply check whether on your lowest speed the salt system 1) stays filled with water, and 2) the flow switch gets triggered. Since the cell is clear this is very easy to check. If the flow switch doesn't get triggered, it simply deactivates the system until normal flow resumes. Other than that, the pump speeds do not affect the chlorine level you get. This is achieved primarily through the "chlorine output" setting on the salt system, as well as the run time you provide it.

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