Method of controlling a pump and motor

F - Mech Eng,Light,Heat,Weapons – 04 – B

Patent

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Details

F04B 49/06 (2006.01) F04B 47/06 (2006.01) F04D 13/08 (2006.01) F04D 15/00 (2006.01) H02K 7/14 (2006.01)

Patent

CA 2707269

Embodiments of the invention provide 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. The drive system and method can provide one or more of the following: a sleep mode, pipe break detection, a line fill mode, an automatic start mode, dry run protection, an electromagnetic interference filter compatible with a ground fault circuit interrupter, two- wire and three-wire and three-phase motor compatibility, a simple start-up process, automatic password protection, a pump out mode, digital input/output terminals, and removable input and output power terminal blocks.

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