Method of controlling a pump and motor
AssigneePentair Flow Technologies, LLC
InventorsMelissa Drechsel Kidd, William James Genaw, Michael Pasche, Gary T. Baase, II
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AssigneePentair Flow Technologies, LLC
InventorsMelissa Drechsel Kidd, William James Genaw, Michael Pasche, Gary T. Baase, II
Estimating the term…
A variable frequency drive system and a method of controlling a pump driven by a motor with the pump in fluid communication with a fluid system is provided. The method includes monitoring a pressure in the fluid system, monitoring and adjusting an operating frequency of the motor to maintain the pressure at a pressure set point, and, based on the monitored operating frequency, causing the pump to temporarily boost the pressure in the fluid system to a temporary boost set point for a first time period. The method also includes determining whether the temporarily boosted pressure in the fluid system stays above the pressure set point for a second time period and causing the pump to enter a sleep mode when the temporarily boosted pressure stays above the pressure set point through the second time period.
A method of controlling a pump driven by a motor, the pump in fluid communication with a fluid system, the method comprising:
A controller for a pump driven by a motor, the pump in fluid communication with a fluid system, the controller comprising:
Dependencies are inferred from the claim text.