Specifications Table for EKSV-P

EKSV21P EKSV21P1 EKSV26P EKSV26P1
Absorber Harp-shaped copper pipe register with laser-welded highly selective coated aluminium plate Harp-shaped copper pipe register with laser-welded highly selective coated aluminium plate Harp-shaped copper pipe register with laser-welded highly selective coated aluminium plate Harp-shaped copper pipe register with laser-welded highly selective coated aluminium plate
Stand still temperature Max. °C 192 192 192 192
Dimensions Unit Width mm 85 1,006 85 1,300
    Depth mm 2,000 85 2,000 85
    Height mm 1,006 2,000 1,300 2,000
Weight Unit kg 33 35 42 42
Operating pressure Max. bar 6 6 6 6
Surface Aperture 1.800 1.800 2.360 2.360
  Absorber 1.79 1.80 2.35 2.36
  Outer 2.01 2.01 2.60 2.60
Mounting Vertical Vertical Vertical Vertical
Glazing Single pane safety glass, transmission +/- 92% Single pane safety glass, transmission +/- 92% Single pane safety glass, transmission +/- 92% Single pane safety glass, transmission +/- 92%
Allowed roof angle Max. ° 80 80 80 80
  Min. ° 15 15 15 15
Coating Micro-therm (absorption max. 96%, Emission ca. 5% +/-2%) Micro-therm (absorption max. 96%, Emission ca. 5% +/-2%) Micro-therm (absorption max. 96%, Emission ca. 5% +/-2%) Micro-therm (absorption max. 96%, Emission ca. 5% +/-2%)
Volume l 1.3 1.3 1.7 1.7
Thermal performance Zero loss collector efficiency η0 % 0.781 0.710 0.784 0.710
  Heat loss coefficient a1 W/m².K 4.240 4.300 4.250 4.300
  Temperature dependence of the heat loss coefficient a2 W/m².K² 0.006 0.006 0.007 0.006
  Thermal capacity kJ/K 4.9 4.9 6.5 6.5