Three types of controllers exist for use in residential irrigation. A mechanical controller has gears and mechanical timers. They are easy to program and use but have limited programming capability. Solid State controllers are typically less expensive and have more capability but require more user interaction. Hybrid controllers combine the best features of both of these types. Any type of controller should be installed using a surge protector.
Program the controller to determine the day, time, and duration of each irrigation cycle as well as to open and close zone valves in the prescribed sequence. The controller will also permit manual control of the irrigation system.
For more information on electrical wiring and setting float switches refer to pages 27-33 of Ohio State University Extension Bulletin 829, Mound Systems: Pressure Distribution of Wastewater.
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