Eco-drip Irrigation Systems, Inc.

David K Frerich

Earl T Farley

An apparatus for controlling an irrigation system having multiple irrigation zones. The apparatus comprises a processor with associated memory, a plurality of valve controllers, an input device and a display screen. Each of the valve controllers is selectively activatable by the processor to provide a control signal to a respective zone valve, if connected thereto. The input device is adapted for inputting to the memory first data designating which of the controllers are available for activation, second data designating how many of the available controllers are to be activated simultaneously and third data designating how many times during a predetermined time period each of the available controllers will be activated. The display device is connected to the processor for displaying the first, second and third data. Initially, the processor uses the first, second and third data to select a first set containing at least two of the available controllers, to simultaneously provide control signals to all controllers in the first set, and to maintain the control signals until a new set is selected. At a regular interval thereafter, the processor uses the data to select a new set containing at least two of the available controllers, the new set including at least one controller that was not in the preceding set.

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Abernathy, TX, United States of America

David K Frerich