| EKSV21P1 | EKSV26P1 | ||||
|---|---|---|---|---|---|
| Mounting | Vertical | Vertical | |||
| Dimensions | Unit | Height | mm | 2,000 | 2,000 |
| Width | mm | 1,006 | 1,300 | ||
| Depth | mm | 85 | 85 | ||
| Weight | Unit | kg | 35 | 42 | |
| Volume | l | 1.3 | 1.7 | ||
| Surface | Outer | m² | 2.01 | 2.60 | |
| Aperture | m² | 1.800 | 2.360 | ||
| Absorber | m² | 1.80 | 2.36 | ||
| 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% | |||
| Allowed roof angle | Min. | ° | 15 | 15 | |
| Max. | ° | 80 | 80 | ||
| Operating pressure | Max. | bar | 6 | 6 | |
| Stand still temperature | Max. | °C | 192 | 192 | |
| Thermal performance | Zero loss collector efficiency η0 | % | 0.710 | 0.710 | |
| Heat loss coefficient a1 | W/m².K | 4.300 | 4.300 | ||
| Temperature dependence of the heat loss coefficient a2 | W/m².K² | 0.006 | 0.006 | ||
| Thermal capacity | kJ/K | 4.9 | 6.5 | ||