From the hunter the white wire in the lower left corner on the com terminal goes to any of the rachio c terminals. A wired rain sensor basic non powered to connect a wired rain sensor to your rachio 2nd generation controller please see the wiring diagram below.

Rain Bird Wr2 With Gen 2 Rachio Irritrol Rain Sensor Wiring
Rachio wiring diagram. The generation 2 rachio smart sprinkler controller is designed to accommodate two sensors a master valve or pump relay and up to 16 zones. Go to top rain sensor wiring diagrams. For tips on inserting the wires please refer to this video. At carlock12 piece of cake straight forward. The wiring bay of the. This article reviews instructions for basic and advanced wiring for all rachio smart sprinkler controllers the rachio 3 the generation 2 and the generation 1.
To edit your advanced wiring see the instructions below. After connecting the controller to wi fi the app will ask if your system has a master valve. From the hunter the wires on the 1 through 5 terminals go to the same numbers on the rachio eg. Wire colors will differ find model. Controllers wiring from a few angles. Want to add a pump start relay.
If youre having trouble reading the terminal labels please reference the wiring guide below. If you have a pump start relay wire it into the dark gray m terminal of the rachio 3 wiring bay then enable the well or pump start relay within the rachio app more tab controller settings advanced wiring m terminal well or pump start relaymake sure that the total draw of the pump start relay plus the draw of the valve does not exceed 13. This will make it easier for you when you later connect the wires to the correct slots in the rachio controller. Below is a picture of my set up. On the rachio controller refer to your models wiring diagram to identify a common terminal and the master terminal. B wireless rain sensor powered transponder to connect a wireless rain sensor to your rachio 2nd generation controller please see the wiring diagram below.