3 orientation, Orientation, 2. solar – Campbell Scientific SP50-L/SP90-L Solar Panel User Manual

Page 18: Panel tilt angle

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SP50-L/SP90-L Solar Panel

3.3 Orientation

The solar panel should be oriented facing the equator to receive maximum
insolation (incident solar radiation) over the course of a year. Suggested tilt
angles of the solar panel are given in TABLE 3-2.

After determining the tilt angle, loosen the 5/16” nuts on each side of the solar
panel, and reposition the Hex bolt locations according to the hole location
settings shown in TABLE 3-3 to adjust the panel. Tighten the two nuts to
secure the position. See FIGURE 3-16.

TABLE 3-2. Solar Panel Tilt Angle*

Site Latitude (N or S)

Tilt Angle

0

− 10° 10°

11

− 20° Latitude

+5

°

21

− 45

Latitude +10

°

46

− 65

Latitude +15

°

> 65

80

°

* From “Design Aids for Small PV Power Systems”, Solorex Corp.

12

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