Connecting A Rain Sensor - DIG 400A Series Instruction Manual

15. CONNECTING A RAIN SENSOR

Most "normally closed" rain sensors can be connected to the 400A Series
controller.
The function of the sensor is to prevent automatic watering by
the set program due to excessive rainfall.
To connect the sensor to the controller, please follow these steps:
1. Cut the yellow wire loop that exits the controller in the middle of the loop.
2. Strip approximately 1/2 in. of insulation from the end of each wire.
3. Splice one yellow wire to each of the wires coming from the sensor.
Use waterproof wire connectors to secure the connections.
4. When the sensor is active and preventing automatic operation, the
appear on the display.
The icon will only appear when sensor is active or if the wire has been cut.
FIGURE B
SENSOR
Recommended rain sensors are the Rain Bird RSD and Hunter Mini-Clik
YELLOW SENSOR
WIRES
19
icon will
WATERPROOF
WIRE CONNECTORS