The ICC2 controller has the ability to operate two Hunter valves at one time, therefore, allowing for more than one program to run at the same time. Any two programs (A,B,C,D) can run concurrently. The first two programs that run into each other will run simultaneously. This is a great feature if you have a short water window and the available water to feed multiple stations; however, it could become an issue if the flow of your irrigation system cannot support operating multiple stations simultaneously. If you do not have the available water to operate multiple stations at one time, you will need to consider and calculate when each program will finish or review the total watering time for each program.
IMPORTANT: On the original ICC controller, if a station is assigned a run time on program A, B, or C, then that station cannot be assigned to Program D. If this is attempted, the word USED will appear in the display. Likewise, a station with a run time on Program D cannot be assigned to program A, B, or C. This is to prevent the accidental assignment of a rotor or spray zone to the D program, which is normally reserved for drip applications.
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