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Above roof installation — PV modules horizontal
Installation with double ended screws
E.g. for roofs with purlin construction.
The details in the following table apply
under the following conditions:
Height above sea
Snow load in kN/m
level in m
Snow load zone
I
200
300
400
500
600
700
800
900
1000
This area is not covered by any of the mounting rails
1
2
5
6
7
1 Double ended screw
2 Mounting bracket
3 Connecting part
4 Mounting rail
40 x 40 x 6000 mm
32
■ Roofs with purlins and corrugated
sheet cover
■ Purlin clearances: 1000, 1250,
1450 mm
■ Wind loads up to 8 m building height
2
II
0.75
0.75
0.75
0.75
0.75
0.75
0.75
0.90
0.85
1.15
1.05
1.50
1.25
1.85
—
2.30
—
—
3
4
9
8
5 Tee slot bolt M 8 x 20 mm
6 Washer 7 8.4 mm
7 Hexagon nut M 8
8 Centre clamp
(cont.)
III
IV
0.75
0.75
1.00
1.25
1.60
2.00
2.55
3.10
3.80
qP
1.00
1.15
1.55
2.10
2.60
3.25
3.90
4.65
5.50
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