Test report Omnisol A - Winkler Solar
Test report Omnisol A - Winkler Solar
Test report Omnisol A - Winkler Solar
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<strong>Solar</strong> Collector Factsheet<br />
<strong>Winkler</strong> OmniSol A<br />
Performance test EN12975:2006<br />
Quality test EN12975:2006<br />
Model OmniSol A<br />
Type Flat plate collector<br />
Manufacturer <strong>Winkler</strong> <strong>Solar</strong> GmbH<br />
Address Räterweg 17<br />
AT-6800 Feldkirch<br />
Telephone +43 (05522) 76139<br />
Fax +43 (05522) 76139-21<br />
C1230<br />
Email solar@winklersolar.com<br />
Internet www.winklersolar.com<br />
<strong>Test</strong> date 07.2011<br />
Dimensions Technical data<br />
<strong>Solar</strong> Keymark<br />
Total length 2.200 m Minimum flowrate 55 l/h<br />
Total width 1.250 m Nominal flowrate 110 l/h<br />
Gross area 2.750 m 2<br />
Aperture area 2.519 m 2<br />
Absorber area 2.511 m 2<br />
Weight empty 48 kg<br />
Maximum flowrate 220 l/h<br />
Fluid content 2.0 l<br />
Maximum operating pressure 6 bar<br />
Stagnation temperature 200 °C<br />
Types of mounting Further information<br />
Construction for sloping roof Units in different sizes available<br />
Integration into sloping roof Glazing replaceable<br />
On flat roof with stand Hydraulic connection<br />
Facade Copper pipe, nominal diameter 18 mm<br />
Construction<br />
1 Frame<br />
2 Lateral thermal insulation<br />
3 Glazing<br />
4 Sealing profile<br />
5 Absorber<br />
6 Thermal insulation<br />
7 Rear panel<br />
SPF <strong>Test</strong>ing, Institut für <strong>Solar</strong>technik SPF, Hochschule für Technik Rapperswil HSR, CH-8640 Rapperswil, Switzerland<br />
16.04.2012 / SCFv3.0en www.solarenergy.ch page 1/2
Peak Power per collector unit Wpeak Relative efficiency η<br />
<strong>Solar</strong> irradiance G=1000 W/m 2<br />
[kW] 2.0<br />
1.8<br />
1.6<br />
1.4<br />
1.2<br />
1.0<br />
0.8<br />
0.6<br />
0.4<br />
0.2<br />
0.0<br />
0 20 40 60 80 Tm-T100 amb<br />
1.0<br />
0.8<br />
0.6<br />
0.4<br />
0.2<br />
0.0<br />
<strong>Solar</strong> irradiance G=800W/m 2<br />
C1230<br />
*<br />
0 0.02 0.04 0.06 0.08 T0.1 m<br />
Peak Power Wpeak 1903 W Reference Gross Aperture Absorber<br />
Thermal capacity* 6.0 kJ/K η0 0.692 0.756 0.758<br />
Flowrate during test 165 l/h a1 [WK -1 m -2 ] 3.41 3.72 3.73<br />
Fluid for test Water-Glycol 33.3%<br />
a2 [WK -2 m -2 ] 0.0047 0.0051 0.0051<br />
*) Specific thermal capacity C of the collector without fluid, determined according to 6.1.6.2 of EN12975-2:2006<br />
Incident angle modifier IAM Pressure drop Δp<br />
1.2<br />
1.0<br />
0.8<br />
0.6<br />
0.4<br />
0.2<br />
0.0<br />
IAML=IAMT<br />
0 10 20 30 40 50 60 70 80 90 θ<br />
[Pa]<br />
2500<br />
2000<br />
1500<br />
1000<br />
500<br />
0<br />
0 100 200 300 [l/h]<br />
K1, transversal IAM at 50° 0.91 Pressure drop at nominal flowrate<br />
K2, longitudinal IAM at 50° 0.91 Δp = 615 Pa (T=20°C)<br />
SPF Simulation of systems using Polysun<br />
Short description of the system<br />
Climate: Central Switzerland, orientation of the collectors: South,<br />
Cold water 10°C, Hot water 50°<br />
Domestic hot water: Fss* = 60%<br />
Tank 450 l, collector inclination 45°,<br />
Daily energy demand 10 kWh (4-6 persons)<br />
Energy demand of the reference system 4200 kWh/year<br />
Water pre-heating: Fss* = 25%<br />
2 Tanks: 1500 l & 2500 l, collector inclination 30°,<br />
Domestic hot water consumption 10’000 l/day (200 persons)<br />
Daily heat losses (circulation and tanks) 60 kWh,<br />
Energy demand of the reference system 191'700 kWh/year<br />
Space heating system: Fss* = 25%<br />
Combined storage1200 l, collector inclination 45°,<br />
Daily energy demand 10 kWh (4-6 persons), Building 200 m 2 , moderately<br />
heavy construction, well insulated, Heating power demand 5.8 kW (ambient<br />
temperature -8°C), Energy demand space heating 12140 kWh/year,<br />
Energy demand of the reference system 16340 kWh/year<br />
Surface demand**<br />
Number of collectors<br />
5.30 m 2<br />
2.1 collectors<br />
69.0 m 2<br />
27.4 collectors<br />
16.7 m 2<br />
6.6 collectors<br />
*) Fractional solar savings: Proportion of the final energy that, thanks to the solar system, can be saved compared to a reference system.<br />
**) Surface demand and solar yield are given with respect to the aperture area.<br />
<strong>Solar</strong> yield**<br />
480 kWh/m 2<br />
697 kWh/m 2<br />
324 kWh/m 2<br />
SPF <strong>Test</strong>ing, Institut für <strong>Solar</strong>technik SPF, Hochschule für Technik Rapperswil HSR, CH-8640 Rapperswil, Switzerland<br />
16.04.2012 / SCFv3.0en www.solarenergy.ch page 2/2
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