Before installation
12
6720816962-13.1ST
1
Fig. 17 Maximum of 14 collectors per row (connected in parallel
according to Tichelmann)
[1] Shut-off valve for pressure (separate for each collector row)
6720816962-28.1ST
1
Fig. 18 Maximum of 14 collectors per row (connected in parallel)
[1] Control valve for hydraulic balancing (separate for each
collector row) and shut-off valve for pressure filling
6720816962-29.1ST
1
Fig. 19 Maximum of 14 collectors per individual field (connected in
parallel)
[1] Control valve for hydraulic balancing (separate for each
field) and shut-off valve for pressure filling
5.3 Space required on roof
DANGER: Risk to life through collec-
tors that cannot withstand high winds
and peak suction forces!
>
Maintain the minimum clearance to the edge
of the roof (dim. a).
a
a = b
10
a =
10
b
h
h
a
a
6720816962.15-1.ST
E
a
C
Fig. 20 Dimension a in accordance with DIN EN 1991-1-4
• Dim. a:
Either formula can be used. The lower value
can be applied.
• Dim. A:
see Tab. 8
• Dim. B:
2 m
• Dim. C:
At least two rows of tiles to ridge or chimney.
• Dim. D:
At least 0.5 m for the flow on the right or left
of the collector array.
• Dim. E:
Equals 1.81 m and is the minimum clearance
from the upper edge of the collector to the lower profile
rail, which is installed first.
No. of collectors
Dim. A
No. of collectors
Dim. A
1
0,73 m
8
5,13 m
2
1,36 m
9
5,76 m
3
1,99 m
10
6,39 m
4
2,62 m
11
7,02 m
5
3,25 m
12
7,65 m
6
3,87 m
13
8,28 m
7
4,50 m
14
8,91 m
Tab. 8 Necessary room
5.4 Lightning protection
>
Check regional regulations as to whether a lightning
protection system is required.
Lightning protection is frequently required for buildings
higher than 20 m, for example.