12-EN
INSTALLATION and OPERATION MANUAL
5.4. Collector array connection
- For connecting several collectors in array, it is necessary to use the flexible pipes between two collectors
because of material expansion upon heating and contraction upon cooling.
Diagram 15
Number of collectors VTC-type in one array:
Model
Number of Collectors
VTC 15
8
VTC 20
7
VTC 30
5
- To prevent shading in two or more rows of collectors, follow the distance L between the rows.
Diagram 16
Collector
mounting
angle
ɑ
Distance L between
the rows, m
25°
4,74
30°
5,18
35°
5,58
40°
5,94
45°
6,26
50°
6,52
55°
6,74
60°
6,90
