OEM 21
evacuated tube collector
ABOUT THE COLLECTOR:
- For water heating and supplementary heating
- Can be connected in series
- Stainless steel heat pipes
INSTALLATION TYPES:
- Roof installation
- Flat roof installation
| SERIES | OEM 21 | |||
| Number of evacuated tubes | 21 | |||
| Collector energy output class (50°C/75°C) (Solergy) 1) | A+++/ A+++ | |||
| Annual collector energy output (50 °C Würzburg) | kWh/ year | 1199 | ||
| Energy output per collector module 2) | W | 906 | ||
| Energy output per collector module 3) | W | 998 | ||
| Product data in accordance with the EU Regulations 811/2013 and 812/2013 (ErP-relevant data) collector reference area (gross) | ||||
| Asol collector reference area | m² | 2,38 | ||
| η0 zero-loss efficiency | 0,42 | |||
| ηcol collector efficiency | % | 38 | ||
| a1 first-order heat transfer coefficient | W/(m² K) | 0,80 | ||
| a2 second-order heat transfer coefficient | W/(m² K²) | 0,004 | ||
| IAM incidence angle modifier | 1,27 | |||
| More product detail | ||||
| Gross area | m² | 2,38 | ||
| Collector dimensions (length x width x height) | m | 1,64 x 1,45 x 0,10 | ||
| Collector contents | l | 2,76 | ||
| Weight of empty collector | kg | 46,0 | ||
| Max. admissible operating pressure | bar | 10 | ||
| Max. stagnation temperature | °C | 239 | ||
| Connection diameter, compression fitting | mm | 15 | ||
| Sensor sleeve | mm | 6 | ||
| Colour (aluminium frame section) | aluminum gray, anodized | |||
| Colour (plastic parts) | black | |||
| Conformity 4) | Pressure Equipment Directive 2014/68/EU | |||
| Impact resistance test in accordance with ISO 9806 | mm | 35 | ||
| Tests and approvals | ISO 9806, Solar Keymark | |||
| DIN-CERTCO registration number | 011-7S114R | |||
1) Can be used only with own Solar Keymark certification, for details, refer to: www.solar-heating-initiative.com and www.dincertco.de/en/
2) At 1000 W/m² and 40 K temperature difference between the average collector temperature and ambient temperature.
3) BAt 1000 W/m² and 0 K temperature difference between the average collector temperature and ambient temperature.
4) Existing certification of collectors by TÜV SÜD Industrie Service GmbH for Ritter Energie- und Umwelttechnik GmbH & Co.KG; valid in Germany. TÜV can be contacted for separate certification in accordance with the Pressure Equipment Directive when needed.
2) At 1000 W/m² and 40 K temperature difference between the average collector temperature and ambient temperature.
3) BAt 1000 W/m² and 0 K temperature difference between the average collector temperature and ambient temperature.
4) Existing certification of collectors by TÜV SÜD Industrie Service GmbH for Ritter Energie- und Umwelttechnik GmbH & Co.KG; valid in Germany. TÜV can be contacted for separate certification in accordance with the Pressure Equipment Directive when needed.
PRESSURE LOSS OF RITTER ENERGIE EVACUATED TUBE COLLECTORS OEM 21
– heat transfer fluid: Tyfocor LS, fluid temperature 40°C
POWER CURVE OF RITTER ENERGIE EVACUATED TUBE COLLECTORS OEM 21
– (G = 1000 W/m²)
