Rachio compatibility with Orbit Wireless Rain Sensor

Last Update:Feb 24 2022 3:13pm

Need tips for your Orbit Wireless Rain Sensor installation? The Rachio system doesn't require this accessory due to its integrated weather intelligence features, however, you can pair your rain sensor to the Rachio controller in case you want to keep it. This article will help you make sure it's correctly paired with our system.



Wiring Instructions for the Orbit Wireless Rain Sensor

DISCLAIMER

Rachio is NOT affiliated or authorized by ORBIT; the ORBIT brand rain sensors are manufactured by ORBIT. This article is intended for instructional and compatibility purposes only.

Rachio does not recommend the use of 3rd party sensors unless required by local code. Remember to always enable  Weather Intelligence features to skip watering schedules BEFORE it rains; rain sensors will only skip watering schedules AFTER it rains.


Wiring Chart

 Wire Color  Gen 1 Rachio  Gen 2 Rachio Rachio 3
White R1  (left-most yellow terminal) SC  (Sensor Common - left of SP) 24 VAC- (Sensor Common) 
Red (a) R1  (paired w/ above) SC  (paired with above) 24 VAC- (paired with above in Sensor Common)
Red (b) C  (white terminal - far right) SP  (Sensor Power - far right) 24 VAC+ (Sensor Power)
Yellow R2  S1  S1

 

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Wiring Diagrams

Rachio 3 Generation 2Generation 1

Rachio 3

Rachio 3 Orbit Rain Sensor Wiring