The ornamental design for an irrigationcontroller, as shown and described.
FIG. 1 is a first top perspective view of an irrigation controller according to our new design;
FIG. 2 is a second top perspective view of the irrigation controller shown in FIG. 1;
FIG. 3 is a first bottom perspective view of the irrigation controller shown in FIG. 1;
FIG. 4 is a second bottom perspective view of the irrigation controller shown in FIG. 1;
FIG. 5 is a front side elevational view of the irrigation controller shown in FIG. 1;
FIG. 6 is a top side view of the irrigation controller shown in FIG. 1;
FIG. 7 is a bottom side view of the irrigation controller shown in FIG. 1;
FIG. 8 is a right side elevational view of the irrigation controller shown in FIG. 1; and,
FIG. 9 is a left side elevational view of the irrigation controller shown in FIG. 1.
The broken lines in the figures (including the broken line text and/or icons included in three of the hexagons) are included for the purpose of illustrating unclaimed portions of the irrigation controller and form no part of the claimed design. The rear side views of the irrigation controller are not included as no portion of the rear side of the irrigation controller is claimed.