Installation on Flat Roofs
26
Mounting Collectors to Ballast Weights
This installation method allows for collectors to be mounted on a flat roof with
tubes parallel to the roof. Ballast weights are typically used to hold collectors in
place, but collectors can also be mounted to substructure frames.
Flat roofs with gravel filling:
Clear gravel from position of concrete slabs.
With plastic roofing:
Place concrete slabs only on protective interlayers, e.g. protective mats.
Ballast weights required to secure against slipping
*1
Installation height above
ground level
m
ft
<8
<26
8-20
26-66
20-100
66-328
Model SD2A
2m
2
3m
2
2m
2
3m
2
2m
2
3m
2
Ballast A
lb/piece
kg/piece
48.4
22
72.6
33
96.8
44
143.0
65
145.2
66
215.6
98
Ballast B
lb/piece
kg/piece
57.2
26
85.8
39
101.2
46
151.8
69
147.4
67
222.2
101
*1
Securing against slipping requires no additional attachment to roof.
Ballast weights required to secure against lifting
*2
Installation height above
ground level
m
ft
<8
<26
8-20
26-66
20-100
66-328
Model SD2A
2m
2
3m
2
2m
2
3m
2
2m
2
3m
2
Ballast A
lb/piece
kg/piece
33.0
15
48.4
22
68.2
31
101.2
46
105.6
48
158.4
72
Ballast B
lb/piece
kg/piece
39.6
18
59.4
27
70.4
32
107.8
49
105.6
48
160.6
73
*2
Securing against lifting requires additional attachment to roof or structure
with wires or cables.
5
3
6
8
5
3
8
v
1
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Summary of Contents for VITOSOL 200-T SD2A 2m2 Series
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