Installation Guide

34
Rain Sensors
Rain Sensors will temporarily suspend watering by the irrigation
controller when moisture is detected. Rain sensors normally have
3 wires; common, normally open, and normally closed. Rachio
controllers use normally closed wiring (sometimes labeled NC).
For more information, visit www.rachio.com/rain-sensor
Wired Sensors
• Insert the normally closed
wire into the S1 or S2
terminal slot.
• Insert the common wire into
the SC terminal slot.
• Enable & set up the sensor
terminal under the advanced
settings in the Rachio App