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Section
2
2.1) Northern or Southern Hemisphere installations.
For Northern Hemisphere installations, point the motor/gear assembly to 'true north' * and tighten the four
set bolts to secure tracker to pipe mast. The set bolts should be tightened so that they dig into the pipe mast.
For Southern Hemisphere locations, point the motor/gear assembly to 'true south' * and tighten the four set
bolts to secure tracker to pipe mast. The set bolts should be tightened so that they dig into the pipe mast.
Tropical and Equatorial Installations are discussed in Section 3.5
* Note:
True north and south differ from magnetic north and south and depends on geographical location.
Locate 'magnetic north' or 'magnetic south' using a compass and adjust your tracker setting
accordingly. Your Wattsun Tracker Dealer can provide you with the Magnetic Declination for your
area. The Array Technologies web site (www.wattsun.com) has links to geomagnetic data. You can
find, or calculate, the magnetic declination for any place on the globe.
Perhaps the easiest way to find the North-South line is to get a copy of your local newspaper and find
the Sunrise and Sunset times. Determine the time (hour and minute) that falls exactly halfway
between Sunrise and Sunset. At the halfway or 'Solar Noon' point, anything that casts a shadow will
do so along a North-South line. Get a friend to help hold up a length of wood or a stick of conduit
straight up into the sky. Then stake out or mark the North-South shadow line.
Orient the Drive On Top of the Pipe Mast
6
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