Tuxhorn » Products » Solar energy » Solar thermal energy » tubra®-ÜSTA S/M
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tubra®-ÜSTA S/M
Solar thermal energy
The solar transfer station for stratified loading
- compact modular design
- with PWM-controlled high-efficiency pumps
- maximum solar collector area 50 m²
- including pre-programmed systems on SD card
Memory Loading
ÜSTA
combination of tubra®-ÜSTA and ÜSTA stratification loading set
- ÜSTA stratified loading set:
for buffer cylinder, assembly with 2x DN 25
3-way changeover valves as double changeover incl. insulation
Typ | tubra®-ÜSTA-S | tubra®-ÜSTA-M |
---|---|---|
Nenngröße | DN 20 | DN 20 |
Nennleistung Low flow (18 l/m²h) max 7K log Diff. prim. 60-34 °C / sek. 27-53 °C | 10 kW | 25 kW |
max. Kollektorfläche (Flachkollektor) | 20 m² | 50 m² |
Solarpumpe (Primärseite) | Para 15/7 iPWM2 | Para 15/8 iPWM2 |
Speicherladepumpe (Sekundärseite) | Para 15/7 iPWM2 | Para 15/7 iPWM2 |
Abmessungen H x B x T | 575 x 400 x 275 mm | 575 x 400 x 275 mm |
max. Betriebsdruck primär | 6 bar | 6 bar |
max. Betriebsdruck sekundär | 3 bar | 3 bar |
max. Betriebstemperatur primär VL/RL | 140 / 120 °C | 140 / 120 °C |
max. Betriebstemperatur sekundär | 110 °C | 110 °C |
Anschlüsse primär | G 3/4 IG | G 3/4 IG |
Anschlüsse sekundär | G1 AG, flachdichtend | G1 AG, flachdichtend |
Schwerkraftbremse | 20 mbar | 20 mbar |
tubra®-Selection of accessories
tubra® heat meter set Flow rate sensor VFS 2-40 l/min with integrated temperature sensor plus Pt1000 sensor for tubra SLT ÜSTA controller
ÜSTA stratification set for buffer tank with two 3-way changeover valves DN25 as double changeover incl. insulation
tubra®-UV 3-way switching valve with servomotor 2-point control 230V, DN20/25/32
Product portfolio Solar thermal energy
Solar stations/transfer stations from tuxhorn are designed for solar loading of buffer storage tanks.


