EKSV21P1 EKSV26P1
Mounting Vertical Vertical
Dimensions Packed unit Height mm 1,080 1,390
    Width mm 110 110
    Depth mm 2,100 2,100
  Unit Height mm 1,006 1,006
    Width mm 85 85
    Depth mm 2,000 2,000
Weight Packed unit kg 35 45
  Unit kg 33 42
Volume l 1.3 1.7
Packing Material   EPS, Cardboard, Carton, PE wrapping foil EPS, Cardboard, Carton, PE wrapping foil
  Weight kg 2 3
Surface Outer 2.01 2.60
  Aperture 1.800 2.360
  Absorber 1.79 2.35
Coating Micro-therm (absorption max. 96%, Emission ca. 5% +/-2%) Micro-therm (absorption max. 96%, Emission ca. 5% +/-2%)
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
Glazing Single pane safety glass, transmission +/- 92% Single pane safety glass, transmission +/- 92%
Available mounting system on-roof on-roof
Allowed roof angle Min. ° 15 15
  Max. ° 80 80
Heat exchanger Maximum pressure drop at 100l/h Solar side mBar 4 3
Water circuit Piping connections diameter inch G 1" (IG) G 1" (IG)
Operating pressure Max. bar 6 6
Stand still temperature Max. °C 192 192
Thermal performance collector efficiency (Ƞcol) % 61 61
  Zero loss collector efficiency Ƞ0 % 0.781 0.784
  Heat loss coefficient a1 W/m².K 4.240 4.250
  Temperature dependence of the heat loss coefficient a2 W/m².K² 0.006 0.007
  Thermal capacity kJ/K 4.9 6.5
  Incident angle modifier IAM at 50°   0.94 0.94