TUBO II Evacuated Tube Collectors
TUBO II C & T – innovative tube collectors for large and small installations
Vacuum tube collectors for versatile applications
With the two new tube collectors TUBO II C with reflectors and TUBO II T without reflectors, a versatile range of applications are possible. While the TUBO II C is usually used for pitched roof and flat-roof systems, the TUBO II T is usually used for facade mounting or horizontal mounting on flat roofs, its main application area. Due to their symmetrical design, both types can also be mounted in landscape, For example on balconies.
TUBO II T
Maximum energy savings thanks to the high collector yield
Thanks to the TUBO II C and TUBO II T, a high thermal efficiency can be achieved even in the winter half of the year. The vacuum between the tubes gives excellent insulation. This is the main reason for the 20 % – 40 % higher efficiency compared to flat plate collectors. In addition, the light beams are concentrated in the TUBO II C via parabolic reflectors. Thus, even with relatively small collector areas, high gains can be achieved.
TUBO II C
Flexible use, outstanding design
The small module size is suitable for horizontal, vertical, roof-mounted, flat-roof and frame mounting. The TUBO II impresses with its extraordinary design and is one of the lowest profile tube collectors on the market. Giving an aesthetically pleasing appearance.
Quality and durability
Over 20 years of practical experience are woven in the TUBO II. The used materials are chosen for a long service life. The underslung manifold provides essential advantages: Condensation, which forms in certain weather conditions, can run out of the tube. As a result, the tube can not burst during freezing. In addition this leads to an increased service life of the antifreeze and to particularly low heat losses.
News and advantages of the TUBO II
- Symmetrical design for neat Balustrade installation TUBO II C & T
- Invisible horizontal mounting e.g. for flat roofs with TUBO II T
- Integrated compensator in each collector, therefore up to 14 collectors can be connected in one seamless array
- A sensor is installed on each collector at the factory
- Simple installation using a proven plug-in connection system
- Improved performance of the TUBO II C over the previous model
Environment
The frameless, flat design of the collector minimises elaborate material use and thus energy for production. Double glassed vacuum tubes efficiently replace unnecessary insulation.
Long durability during high temperatures
TUBO II with connection manifold at the bottom: Increases the lifetime of the antifreeze by quickly evacuating the collector.
Frost protection
TUBO II with the manifold at the bottom: In winter, condensing water can simply run out. This ensures frost protection for the glass tubes.
low heat losses
TUBO II with connection manifold at the bottom: Lower heat losses due to warm tube end with vacuum insulation.
Certificates
The TUBO II collector is Solar Keymark certified and meets the criteria of hail (ice ball) testing according to EN ISO 9806:2013
Technical specifications: Tubo II
| Collector | TUBO II C | TUBO II T |
| Collector dimensions and weight | Dimensions (W x L x H) in mm: 624 x 1,947 x 85 Gross area: 1.22 m² Weight: 18 kg | Dimensions (W x L x H) in mm: 624 x 1,947 x 85 Gross area: 1.22 m² Weight: 18 kg |
| Collector absorber area | 1.07 m² | 0.39 m² |
| Collector aperture area | 0.98 m² Additional 0.1 m² between two collectors (accessory: intermediate reflector) | 0.46 m² |
| Maximum heat output (Pmax) at 1000 W/m² | 650 W | 362 W |
| Performance (aperture area) | η0: 66.3 %; a1: 0.782 W/m²K; a2: 0.012 W/m²K² Incidence angle correction factor IAM 1.00 | η0: 78.7 %; a1: 2.99 W/m²K; a2: 0.015 W/m²K² Incidence angle correction factor IAM 1.27 |
| Permissible collector tilt | 25 – 90° | 0 – 90° |
| Certification / Quality Test | Testing according to DIN EN 12975-1: 2011-01, DIN EN ISO 8906:2014-03 CEN-Keymark 28.00 (2015-12) Reg. No. 011-7S2464 R and 7S2463 R | Testing according to DIN EN 12975-1: 2011-01, DIN EN ISO 8906:2014-03 CEN-Keymark 28.00 (2015-12) Reg. No. 011-7S2464 R and 7S2463 R |
| Hail resistance / Certificates | Hail and ice ball test according to EN ISO 9806 | Hail and ice ball test according to EN ISO 9806 |