CALIBRATION/ SET UP
After Solar Sync has been installed and programmed, it is recommended to allow the system to run for a
few days at the initial setting. Because of the variety in site conditions (including sensor location,
amount of direct sunlight available to the sensor, reflective heat from surrounding structures, etc), the
initial setting may require adjustment in order to arrive at the desired performance. The calibration of
the Solar Sync to a particular site can easily be accomplished by adjusting the Region and/or Water
Adjustment settings.
Install Solar Sync sensor and program the module (as described in pages 10 –12).
Allow system to operate at initial settings for a minimum of 3 days.
Observe the Seasonal Adjust on the controller. If the Seasonal Adjust amount appears to be lower or
higher than expected for that time of year, the Solar Sync settings need to be adjusted.
Seasonal Adjust too low – Make sure controller dial is in the “Run” position. Increase the value on the
Water Adjustment scale (10 is max). Once the setting is changed, the controller will immediately be
updated with the new Seasonal Adjust %. Increase the Water Adjustment setting until the desired
Seasonal Adjust % is shown. If you max out the Water Adjustment scale at 10 and still require more
Seasonal Adjust, move down to the next lower Region (from Region
4 to 3, for example).
Seasonal Adjust too high – Make sure controller dial is in the “Run” position. Decrease the value on the
Water Adjustment scale (default setting is 5). Once the setting is changed, the controller will
immediately be updated with the new Seasonal Adjust %. Decrease the Water Adjustment setting until
the desired Seasonal Adjust % is shown. If you minimize the Water Adjustment scale down to 1 and still
require a reduction in Seasonal Adjust, move up the next Region (from Region 2 to 3, for example).
Station Run Times – It is important to understand that Solar Sync provides a global seasonal adjustment
to the controller. This means that all station run times will be modified by the seasonal adjust
percentage shown. When programming the controller, the run times should be entered that represent
peak season watering schedules. If the Solar Sync is adjusting to the appropriate seasonal adjust value
but the run time for a particular station appears to be too long/short, adjust the station run time in the
controller program.
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