•The ACC brings the versatile features of modularity to the most advanced large-scale commercial controller in the Hunter line. •ACC to run up to 6 programs simultaneously, packing the most watering into the shortest water window. Real time flow monitoring allows the controller to dynamically respond to overflow conditions by station, and track system water use •WaterSense certified prdocut •A manual back-up utility that stores complete controller scheduling and setup information in back-up memory. This allows the saved watering schedule to be restored at any time. •The Programmable Rain Delay feature incorporates a user specified number of days to keep the controller in the OFF mode, then allows for the system to automatically revert back to scheduled irrigation.