Viessmann Vitosol
100 Technical Manual page 33

Stress and maximum load of the substructure on flat roofs to DIN 1055
Installation height above ground
Weight of supports
kg per support A
kg per support B
Snow load Height above
zone sea level
m
1 500
600
700
800
2 400
500
600
700
800
900
3 300
400
500
600
700
800
900
1000
4 200
300
400
Example: Calculation of load of the substructure (secured against slippage)
A
y
A
A Support A
B Support B
VITOSOL
Secured against slippage
m up to 8
Type Type
D 20 D 30
22 33
26 39
Snow load S Total load of the substructure per collector
0
(by the collector weight, snow load, supports)
2
N/m kg
736 357 532
834 386 575
1030 444 660
1226 501 745
736 357 532
883 401 596
1128 473 703
1471 573 852
1815 675 1002
2256 804 1193
736 357 532
981 429 639
1226 501 745
1570 602 895
1962 718 1065
2502 877 1300
3041 1035 1535
3728 1237 1835
981 429 639
1128 473 703
1521 588 874
x
B
B
2.4 Selection of collector types
8 to 20 20 to 100
Type Type Type Type
D 20 D 30 D 20 D 30
44 65 66 98
46 69 67 101
441 656 527 786
470 699 556 829
528 784 614 914
585 869 671 999
441 656 527 786
485 720 571 850
557 827 643 957
657 976 743 1106
759 1126 845 1256
888 1317 974 1447
441 656 527 786
513 763 599 893
585 869 671 999
687 1019 773 1149
802 1189 888 1319
1961 1424 1047 1554
1119 1659 1205 1789
1321 1958 1407 2088
513 763 599 893
557 827 643 958
672 998 758 1128
Type D20 D30
x mm 2028 2028
y mm 1450 2159
Area
2
(x · y) m 2.94 4.35
Weight kg 45 68
Vitosol 200
Secured against lifting
up to 8 8 to 20
Type Type Type Type
D 20 D 30 D 20 D 30
15 22 31 46
18 27 32 49
327 486 387 578
356 529 416 621
414 614 474 706
471 699 531 791
327 486 387 578
371 550 531 642
443 657 503 749
543 806 603 898
645 956 705 1048
774 1147 834 1239
327 486 387 578
399 593 459 685
471 699 531 791
573 849 633 941
688 1019 748 1111
847 1254 907 1346
1005 1489 1065 1581
1207 1788 1267 1880
399 593 598 685
443 658 503 749
558 828 618 920
Snow load zone:
Height above sea level:
Installation height:
Collector type:
Snow load S :
o
Weight
H Supports A: 2 x 44 kg + 88 kg ¢ 880 N
H Supports B: 2 x 46 kg + 92 kg ¢ 920 N
Calculation:
2 2
1128 N/m · 2.94 m + 880 N + 920 N
+ 450 N
+ 5566 N
¢ 557 kg
20 to 100
Type Type
D 20 D 30
48 72
48 73
453 678
482 721
540 806
597 891
453 678
497 742
569 849
669 998
771 1148
900 1339
453 678
525 785
597 891
699 1041
841 1211
973 1446
1131 1681
1333 1980
525 785
569 849
684 1020
2
600 m
8 to 20 m
D20
2
1128 N/m
33