Regulus flat solar collectors
Examples of Regulus flat collectors implementation
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Flat plate solar collectors have a large glass surface and a large absorber. In full sunshine, their power output is high. They utilize most of the solar energy that reaches their surface.
The materials used guarantee a long service life and stable parameters of the collectors. All models are equipped with an anodized aluminum frame and a copper absorber with a long-life absorption layer (carried out by vacuum deposition).
The absorption layer of these collectors has a highly selective surface. Its ability to absorb solar radiation is high but its heat dissipation (heat loss by dissipation) is very low.
Solar tempered glass in all models is highly shatterresistant and permeable for solar radiation. KPW1 model uses solar antireflection glass that represents the best in solar glasses. A special coating on both sides of the glass eliminates reflections of solar radiation and the absorber receives more solar radiation..
Thermal insulation limits the collector’s
thermal loss and increases its efficiency. The
thickness of the mineral wool insulation is between 2
and 6 cm depending on the model.
Regulus solar collectors are certified by an independent Test Lab according to the latest European standard EN 12975-2. This standard involves among others also measurement of the output and efficiency, of mechanical resistance incl. hail resistance and long-term weather resistance.
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List of flat solar collectors: |
The right collector should be selected depending on your application - for heating DHW, heating a pool, or as additional heating to your low-energy house. Collectors of better parameters will enable you utilizing solar energy even under unfavorable conditions, in the spring and autumn. |
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Flat solar collectors KPA1 ALP, KPS11 ALP and KPC1 BP
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collector KPC collector KPS collector KPA 1 ALP
KPS11 and KPC collector cross section
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Hydraulic connection of KPS11 and KPC collectors |
| Model | KPA1 -ALP |
KPC1 - BP | KPS11 - ALP |
| Dimensions w x l x h | 1000 x 2000 x 80 mm | 1000 x 2000 x 96 mm | 1247 x 2000 x 95 mm |
| Collector surface | 2 m2 | 2 m2 | 2,49 m2 |
| Connecting sizes | 4 x pipe Cu 22 | 4 x pipe Cu 22 | 4 x pipe Cu 22 |
| Absorber | copper-aluminum/ parallel type | nickel-plated copper / parallel type | copper / parallel type |
| Absorber surface | Tinox | black chrome | Eta plus |
| Insulation thickness | 3,5 cm | 4 cm | 5 cm |
| Working pressure | 6 bar | 6 bar | 6 bar |
| Liquid volume | 1,6 l | 2,0 l | 2,2 l |
| Weight | 34 kg | 37 kg | 45 kg |
| Glass | 4 mm | 4 mm | 4 mm |
| solar prismatic | solar prismatic | solar prismatic | |
| Code | 9651 | 7610 | 8183 |
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Flat solar collectors KPS10 ALP
KPS collector cross section
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Hydraulic connection of KPS collectors
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| Model | KPS10 - ALP |
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| Dimensions w x l x h | 1144 x 2044 x 80 mm |
| Collector surface | 2,34 m2 |
| Connection dimensions | 2 x pipe Cu 12 |
| Absorber | copper / serpentine type |
| Absorber surface | Sunselect |
| Insulation thickness | 4 cm |
| Max. working pressure | 10 bar |
| Fluid volume | 1,6 l |
| Weight | 44 kg |
| Glass | 4 mm |
| solar prismatic | |
| Code | 8258 |
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Flat solar collectors KPW2 - C32 HTF
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Eta plus highly selective coating represents the best in present selective materials. Eta plus is made of CERMET, a composite material composed of ceramics and metal. The concentration of metallic particles decreases towards the surface. The surface shows a high solar absorptance and low losses by heat emission. Metal passivation together with the ceramic layer works efficiently as a diffusion barrier, also protecting the surface from corrosion. This ensures a longtime stability of solar parameters, absorption α= 95% (± 2%) and emisivity ε= 5% (± 2%), and a long service life of the absorber. Eta plus coating is made by the renowned German company BlueTec who puts emphasis on the environment protection. No harmful gases or other chemicals rise from applying the Eta coating on a copper sheet, the whole process runs without any harmful emissions. For the production of coating only about 1 kWh of energy is needed for 1 m2, and it is just 1 kWh that will be produced by each square meter of this collector during the first hour of its operation. During its lifetime, Eta plus is able to produce some 20 000 kW/m2 of clean energy gained directly from solar radiation without any CO2 emissions. |
Flat solar collectors KPW1 - C20 AR
Antireflection solar glass represents the best in solar glasses of today. The picture shows the incident solar radiation and its restricted reflection outwards the collector thanks to the double sided antireflection layers. Solar permeability is 96%. |
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Instalation and Operational
Manual for Systems with KPW Collectors |
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| Model | KPW1 -C20AR | KPW2 - C23HTF |
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| Dimensions W x L x H | 1215 x 2140 x 110 mm | 1160 x 1930 x 90 mm |
| Collector surface | 2,61 m2 | 2,24 m2 |
| Connection dimensions | 2 x outer thread G 1/2“ | 2 x outer thread G 1/2“ |
| Absorber | copper / double parallel | copper / double parallel |
| Absorber surface | Eta plus | Eta plus |
| Insulation thickness | 6 cm | 4 cm |
| Max. working pressure | 10 bar | 10 bar |
| Fluid volume | 1,3 l | 1,1 l |
| Weight | 48 kg | 39 kg |
| Glass | 4 mm | 4 mm |
| solar antireflection | solar prismatic | |
| Code | 8081 | 8082 |
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KPW collector cross section |
Hydraulic connection of KPW collectors |
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Examples of solar sets with flat plate solar collectors
Examples of solar sets with flat plate solar collectors contain connection
diagrams for sets with flat plate collectors.