28
FA ROTEX Solaris DrainBack - 09/2016
6
x
Technical data
6.3
Roof-mounted system – Max. permissible snow load (roof-mounted) as per EN 1991-1-3
Performance characteristics
Conversion factor with (T
m
-T
a
=0)
0.781
0.784
Linear solar panel efficiency factor a1
W/m
2
K
4.24
4.25
Quadratic solar panel efficiency factor a2
W/m
2
K
0.006
0.007
Radiation angle correction factor K(50°)
0.94
Effective thermal capacity c
eff
kJ/(m
2
K)
2.7
2.7
2.7
Max. pressure drop at 100 l/h
mbar
3.5
3.0
0.5
Limit data for operation
Max. operating pressure
bar
6
Stagnation temperature
°C
192
Installation method
On-roof
In-roof
On-roof
Flat roof
In-roof
On-roof
Flat roof
The Solaris flat solar panel is permanently standstill proof and thermo-shock tested.
Minimum collector yield above 525 kWh/m
2
per year with 40 % cloud coverage (location Würzburg)
Tab. 6-2 Technical Data Flat Solar Panel
Unit
Solaris flat solar panel
V21P
V26P
H26P
Fig. 6-1
Hydraulic resistance flat solar panels
Snow load s
k
Min. number of roof hooks
< 1.6 kN/m
2 1)
1 solar panel
4
2 solar panels
6
3 solar panels
8
4 solar panels
12
5 solar panels
14
< 2.6 kN/m
2 2)
1 solar panel
4
2 solar panels
6
3 solar panels
8
4 solar panels
12
5 solar panels
14
> 2.6 kN/m
2
Additional mounting rail required
3)
1)
With a rafter spacing of 1000 mm, a roof gradient of 30° and a building height < 10 m *
2)
At a rafter spacing of 650 mm, a roof gradient of 30° and a building height < 10 m *
3)
For detailed execution information, contact ROTEX Service
*)
does not apply to exempted regions stated in EN 1991-1-3
Tab. 6-3 Required number of roof hooks
