Sensor Override
Rain switches or moisture sensors are often used in automatic irrigation systems to prevent
automatic watering during rainy or wet conditions. This timer provides convenient sensor
hook-up terminals and a sensor override or bypass option. The override option (OFF) lets
you bypass the sensor for testing. If you are not using a sensor, the sensor setting should be
Sensor N for Off.
Setting Sensor Option
1. Set the dial to Special Features position.
2. Press the Next button twice. The display will show Sensor N.
3. Press the + button to activate the rain sensor. Once installed and activated, the rain sensor
will override your programs and prevent watering during rainy days. The display will
show Sensor Y if the sensor is to be enabled. A flashing “SENSOR Y” will appear on
the display if the rain sensor was triggered and a watering cycle was cancelled. This
display disappears at midnight, until the next time it is triggered.
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