5 x Technical dataInstallation instructions36 EKSV21P/EKSV26P/EKSH26PSolar panels on-roof installation008.1618444_00 – 12/20125 Technical data5.1 Basic dataTab. 5-1 Technical Data Flat Solar PanelFig. 5-1 Hydraulic resistance flat solar panelsFlat solar panel V21P V26P H26PBasic dataDimensions L x W x H 2000 x 1006 x 85 cm 2000 x 1300 x 85 cm 1300 x 2000 x 85 cmGross surface area 2.01 m 2 2.60 m 2 2.60 m 2Aperture surface area 1.79 m 2 2.35 m 2 2.35 m 2Absorber surface area 1.80 m 2 2.36 m 2 2.36 m 2Absorber Harp-shaped copper tube register with welded-on highly selective coated aluminium sheetCoating MIRO-THERM (absorption max. 96 %, emission approx. 5 %± 2 %)Glazing Single pane safety glass, Transmission approx. 92 %Heat insulation Rock wool (50 mm)Weight 35 kg 42 kg 42 kgWater content 1.3 l 1.7 l 2.1 lMax. pressure drop at 100 l/h 3.5 mbar 3.0 mbar 0.5 mbarPossible inclination angle on-roof 15° to 80°Max. standstill temperature approx. 200°CMax. operating pressure 6 barThe flat solar panel is stable for a long period and is protected against thermal shock.Minimum solar panel yield above 525 kWh/m2 per year with 40 % cloud coverage (location Würzburg)