Importance

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Abstract

A controller for a municipal water system having a pump connected to a suction line, featuring a signal processor and a memory module configured to: receive suction line pressure sensor signaling sensed by a suction line pressure sensor arranged on the suction line and containing information about a suction line pressure of water flowing in the suction line; receive low suction pressure limit signaling programmed in the memory module and containing information about a low suction pressure limit of the water flowing in the suction line; and provide control signaling containing information to control the operation of the pump depending on a relationship between the suction line pressure and the low suction pressure limit, based upon the suction line pressure sensor signaling and the low suction pressure limit signaling received. The control signaling may contain information to reduce or stop the water flowing in suction line if the suction line pressure falls below the low suction pressure limit.

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First Claim