The ornamental design for an irrigationcontroller, as shown and described.
FIG. 1 is a front perspective view plan view of an irrigation controller of the present invention with a front cover in an open position to reveal an interior with a unique user interface.
FIG. 2 is an isolated front plan view of a user interface thereof.
FIG. 3 is a front perspective view thereof with the cover in a closed position.
FIG. 4 is a first side plan view thereof with the cover in a closed position.
FIG. 5 is a front plan view thereof with the cover in a closed position.
FIG. 6 is a second side plan view thereof with the cover in a closed position.
FIG. 7 is a top plan view thereof with the cover in a closed position.
FIG. 8 is a bottom plan view thereof with the cover in a closed position.
FIG. 9 is a side plan view thereof with the cover in a closed position.
FIG. 10 is a top plan view thereof with the cover in an open position.
FIG. 11 is a first side view thereof with the cover in an open position; and,
FIG. 12 is a second side view thereof with the cover in an open position.
The broken line showing depicts unclaimed subject matter and forms no part of the claimed design.