Vaisala WAA151 Installation Manual download pdf (Page 78)

Installation Manual __________________________________________________________________

76 ___________________________________________________________________ M010114en-B

Installing Solar Panel

Mount the panel to the tower using the fasteners. The correct height

for installation is approximately 4 m. Guide the cable down along the

mast, keeping it away from the grounding cable.

0105-005

Figure 64 Solar Panel Attached to the Mast

The panel should face south (true south, not magnetic) in the northern

hemisphere and north in the southern hemisphere. The panel can be

tilted towards the sun: the further you are from the equator the more

vertical the panel.

To maximize the annual energy output, install the panel at an angle

explained in Table 9 below. At some installations, it may be effective

to adjust the tilt seasonally. At most latitudes, performance can be

improved during summer by using an angle smaller than the table's

recommendation. Conversely, a larger angle can improve winter

performance.

NOTE

The rays of the sun should be perpendicular to the panel, which

means sunlight should hit the panel at a 90° angle.

Table 9 Recommended Tilt Angle for Solar Panel

Latitude of site Tilt angle

0 ... 4° 10°

5 ... 20° Add 5° to local latitude

21 ... 45° Add 10° to local latitude

46 ... 65° Add 15° to local latitude

65 ... 75° 80°

1 2 ... 73 74 75 76 77 78 79 80 81 82 83 ... 132 133

No comments

Vaisala WAA151 Installation Manual Page 78