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Heating system for bathing unit

  • US 10,398,624 B2
  • Filed: 04/27/2017
  • Issued: 09/03/2019
  • Est. Priority Date: 07/12/2005
  • Status: Active Grant
First Claim
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1. A control system for a spa having a receptacle holding water and a cover for covering the receptacle, said control system comprising:

  • a) a first heating module for heating the water of the receptacle;

    b) a second heating module for heating the water of the receptacle;

    c) a sensor in communication with the bathing cover covering the receptacle holding water;

    d) a controller in communication with said first heating module and said second heating module, said controller being configured for controlling the operation of the first heating module and the second heating module to heat the water of the receptacle both when the spa is in use by a bather for bathing and when the spa is not in use by the bather for bathing, said controller including a processor programmed for;

    i) detecting removal of the bathing cover covering the receptacle holding water by processing signals originating from the sensor;

    ii) detecting that the spa is in use by the bather for bathing and activating a specific one of said first heating module and said second heating module to heat the water in the receptacle in response to detection of the removal of the bathing cover covering the receptacle holding water; and

    iii) using one other than the specific one of said first heating module and said second heating module to heat the water in the receptacle when no use of the spa is detected.

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