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Connecting a Toro 53770 Wireless Rain Sensor to an Orbit 57899 Controller

The owner has a Toro wireless rain sensor (2 red, 1 yellow, 1 white, 1 copper wire) and an Orbit 57899 controller with two 24 VAC (red), two sensor (yellow), two common (white) terminals, plus nine zone terminals.

Wiring Instructions

Connect the sensor’s two red wires to the two red 24 VAC terminals (one each).
Connect the sensor’s white wire to one yellow sensor terminal.
Connect the sensor’s copper (brown) wire to the other yellow sensor terminal.
The sensor’s yellow wire is unused.
Set the controller’s sensor switch to “ON”.

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