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Installing the Sensor Module
Choosing the right installation site for the sensor module is the key to getting the maximum benefit
from your sensor system. Select a sensor installation site that provides the following conditions:
• Unobstructed exposure to rainfall–away from overhangs, tree branches, etc.
• Protected from irrigation spray, rainwater accumulation and the possibility of submersion.
• Exposure to sunlight and shade conditions similar to the landscape being watered.
• Strong communication signal from the sensor to the receiver.
Note: If installing a Rain/Freeze sensor specifically for freeze detection, refer to the additional
site selection considerations provided on page 13.
Before installing the sensor module, test the system once more to confirm operation by using the
following test procedure:
1. Activate a watering zone that is visible from the intended installation site.
Note: The manual operations mode of some controllers will bypass the sensor circuit. If your
controller operates like this, set an automatic start time to have the sprinklers run now.
2. With the sprinklers on, press and hold the sensor spindle until the sprinklers shut off, then
release the spindle. If the test is successful, the sensor is ready to install. If the sprinklers do not
shut off, try moving the sensor a few feet in either direction and test again. Moving the receiver
antenna slightly may also improve the signal strength.
Refer to “Troubleshooting” on page 22 for additional information.
RainSensorAlpha7 3/10/2005 3:31 PM Page 10