INSTALLATION
9
10 INSTALLATION ON FLAT ROOFS WITH BALLAST
For checks of allowable loads contact a specialised technician.
In case of installations on flat roofs that cannot be drilled use ballasts (not supplied) fairly distributed on all the bearing
points, as shown in the figure.
kg
Wind speed, km/h
Inclination angle of solar col-
lectors
Mass in kg, distributed on the various bear-
ing points, to secure a collector from wind
lifting
100
30°-45°
135
130
30°-45°
255
150
30°-45°
355
The indicated values are valid both for vertical and horizontal installation.