Greetings all! Just received my new Rachio 3 this week (yay!) and I’m looking at the wiring on the previous timer that the old owner installed. I think it’s a Rainbird Model RPI-800-M based on the sticker inside the cover. I’m a little stuck as to how the wiring is labeled and what matches the Rachio however. Here’s the “main” wiring of the old timer, I don’t see a Ground in the Rachio box, and not sure if the old AC1 & AC2 each go to a “C” connecter in the Rachio3 or if only one is necessary. I’m also assuming the 2 “SEN” connectors on the old timer would go to the S1 & S2 connections on the Rachio.
Thanks for any input!