8
8
ENGLISH
GENERAL
TECHNICAL SPECIFICATIONS
ACCESSORIES
The following accessories are available, to be ordered separately.
DESCRIPTION
Total area
2,02
m
2
Exposed area
1,81
m
2
Effective absorption area
1,77
m
2
Connections (copper tube)
4 x Ø22
mm
Empty weight
32
kg
Liquid content
1,35
l
Recommended flow rate per m
2
of panel
30
l/h
Glass type - thickness
safety glass with anti-reflective surface - 3,2 mm
Absorption (
α
)
95
%
Emissions (
ε
)
5
%
Maximum permitted pressure
10
bar
Maximum temperature
210
°C
Maximum number of collectors connectable in series
6
n°
WIND AND SNOW LOADS ON COLLECTORS
Installation height
above ground
Mass in kg to secure collector against
lifting by wind
Load on roof from wind, snow, and
collector weight
Wind speed
0 - 8 m
8 - 20 m
20 - 100 m
100 km/h
130 km/h
150 km/h
80 kg
180 kg
280 kg
At angle of
45°
At angle of
20°
At angle of
45°
At angle of
20°
40 kg
90 kg
150 kg
320 kg
470 kg
624 kg
345 kg
430 kg
525 kg
Diameter of connection pipes for a specific flow rate of 30 lt/m
2
h
Total surface area (m
2
)
ca 5
ca 7,5
ca 12,5
Diameter of copper pipe (mm)
10-12
15
18
Diameter of steel pipe
DN16
DN20
1
0,8
0,6
0,4
0,2
0
0
0,02
0,04
0,06
0,08
0,1
0,12
Tm[m
2
K/W]
*
Efficiency curve
Tested according to EN 12975, referred to
a 33.3% water-glycol mix, flow rate of 75 l/h
and irradiation G = 800W/m
2
.
Tm = (Coll._inlet _temp.+Coll._outlet_temp.)/2
T*m
= (Tm - ambient_temp)/G
Optical effi-
ciency of
absorber
(
η
ο
)
0,77
3,93
0,0104
Thermal dispersion factor
of absorber
a1
W/(m
2
K)
a2
W/(m
2
K
2
)
ACCESSORY
CODE
Threaded straight union kit for Ø 22 mm pipes
20007285
Threaded end union kit for Ø 22 mm pipes
20007286
Threaded curve union kit for Ø 22 mm pipes
20007278
Manual bleed valve
4383056
Thermostatic mixer valve
4383076
Glycol anti-freeze (5 kg)
4383085
Glycol anti-freeze (10 kg)
4383059
