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Control algorithm of variable speed pumping system

  • US 9,404,500 B2
  • Filed: 09/12/2011
  • Issued: 08/02/2016
  • Est. Priority Date: 08/26/2004
  • Status: Active Grant
First Claim
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1. A pumping system for at least one aquatic application receiving inputs from a user, the pumping system comprising:

  • a pump;

    a variable speed motor coupled to the pump;

    a controller in communication with the variable speed motor, the controller configured to;

    determine a start time and a stop time of a filter cycle based on the inputs received from the user,determine a start time and a stop time of an additional operation,one of (a) eliminate the filter cycle, (b) adjust the start time of the filter cycle, and (c) adjust the stop time of the filter cycle, when the additional operation overlaps the filter cycle, andoperate the variable speed motor to perform at least one of the filter cycle and the additional operation.

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