Tuxhorn » Products » Solar energy » Solar thermal energy » tubra®-ÜSTA L/XL
tubra®-ÜSTA L/XL
Solar thermal energy
The solar transfer station for stratified loading
- compact modular design
- with high-efficiency pumps
- Maximum solar collector area 130 m²,
can be extended to 260 m² by cascading - including pre-programmed systems on SD card
Memory loading
ÜSTA XL
combination of tubra®-ÜSTA XL 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-L | tubra®-ÜSTA-XL |
---|---|---|
Nenngröße | DN 25 | DN 25 |
Nennleistung Low flow (18 l/m2h) max 7K log Diff. prim. 60-34 °C / sek. 27-53 °C | 45 kW | 65 kW |
max. Kollektorfläche (Flachkollektor) | 90 m² | 130 m² |
Solarpumpe (Primärseite) | Wilo Para 15/8 iPWM2 | Wilo Para15/9 iPWM2 |
Speicherladepumpe (Sekundärseite) | Wilo Para 15/7 iPWM2 | Wilo Para 15/8 iPWM2 |
Abmessungen H x B x T | 865 x 525 x 280 mm | 865 x 525 x 280 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 | G1 IG | G1 IG |
Anschlüsse sekundär | G1 IG | G1 IG |
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.


