Viessmann Vitosol100 - Page 34

2.4Selection of collector types
Vitosol 250
34
VITOSOL
Stress and maximum load of the substructure on flat roofs to DIN1055
Secured against slippage Secured against lifting
Installation height above ground m up to 8 8 to 20 20 to 100 up to 8 8 to 20 20 to 100
Weight of supports kg per support A
kg per support B
26
23
44
39
62
56
13
11
24
19
35
28
Snow load
zone
Height above
sea level
m
Snow load S
0
N/m
2
Total load of the substructure per collector
(by the collector weight, snow load, supports)
kg
1 500 736 246 314 384 196 234 274
600 834 262 330 400 212 250 290
700 1030 295 363 433 245 283 323
800 1226 328 396 466 278 316 356
2 400 736 246 314 384 196 234 274
500 883 270 339 408 221 259 299
600 1128 311 379 449 261 299 339
700 1471 369 437 507 319 357 397
800 1815 426 494 564 376 414 454
900 2256 500 568 638 450 488 528
3 300 736 246 314 384 196 234 274
400 981 287 355 425 237 275 315
500 1226 328 396 466 278 316 356
600 1570 385 453 523 335 373 413
700 1962 451 519 589 401 439 479
4 200 981 287 355 425 237 275 315
300 1128 311 379 449 261 299 339
400 1521 377 445 515 327 365 405
500 2060 467 535 605 417 455 495
Example: Calculation of load of the substructure (secured against slippage)
A Support A
B Support B
Snow load zone: 2
Height above sea level: 600 m
Installation height: 8 to 20 m
Snow load S
o
: 1128 N/m
2
Weight
H Supports A: 2 x 44 kg  88 kg  880 N
H Supports B: 2 x 39 kg  78 kg  780 N
Projecting surface (x · y): 1.67 m
2
Weight: 25 kg
Calculation:
1128 N/m
2
· 1.67 m
2
+ 880 N + 780 N
+ 250 N
 3794 N
 379 kg
5822135 GB
B
B
x
y
A
A