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SolarPak User’s Guide
5.3 Solar Panel Tilt Angle Adjustment
1. Loosen the top screws on the two steel support bars (shown below) of the SolarPak
mounting assembly.
2. Slide the top of the bars into the desired position and retighten the top screws.
If desired, the solar panel's tilt angle can be adjusted each season to get the best angle for that
season and optimize output from the solar panel. During the spring and autumn equinoxes, the
best angle is equal to the latitude.
Winter: The best tilt angle is the latitude plus 15 degrees in the Northern Hemisphere (minus 15
degrees in the Southern Hemisphere).
Summer: The best tilt angle is the latitude minus 15 degrees in the Northern Hemisphere (plus 15
degrees in the Southern Hemisphere).
If it is preferable to leave the panel in a fixed position throughout the year, select the best winter
angle to even out seasonal performance.
Important! In order to optimize your SolarPak’s efficiency, refer to Solar Panel Orientation, page
11, for instructions on calculating the correct angles for your location.
If mounting on a pole, set the directional orientation first, by turning the panel side to side. Then
lock the screws.
Note: If the SolarPak is not mounted on a pole, try to face it as close to true south as possible.
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