ÜSTA S/M ISO
    ÜSTA S/M ISO
ÜSTA S/M
    ÜSTA S/M
ÜSTA S/M without controller
    ÜSTA without controller
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
Scheme ÜSTA S/M
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
System ÜSTA S/M                                              
Typtubra®-ÜSTA-Stubra®-ÜSTA-M
NenngrößeDN 20DN 20
Nennleistung Low flow (18 l/m²h)
max 7K log Diff. prim. 60-34 °C / sek. 27-53 °C
10 kW25 kW
max. Kollektorfläche (Flachkollektor)20 m²50 m²
Solarpumpe (Primärseite)Para 15/7 iPWM2Para 15/8 iPWM2
Speicherladepumpe (Sekundärseite)Para 15/7 iPWM2Para 15/7 iPWM2
Abmessungen H x B x T575 x 400 x 275 mm575 x 400 x 275 mm
max. Betriebsdruck primär6 bar6 bar
max. Betriebsdruck sekundär3 bar3 bar
max. Betriebstemperatur primär VL/RL140 / 120 °C140 / 120 °C
max. Betriebstemperatur sekundär110 °C110 °C
Anschlüsse primärG 3/4 IGG 3/4 IG
Anschlüsse sekundärG1 AG, flachdichtendG1 AG, flachdichtend
Schwerkraftbremse20 mbar20 mbar

tubra®-Selection of accessories

Product portfolio Solar thermal energy

Solar stations/transfer stations from tuxhorn are designed for solar loading of buffer storage tanks.

tubra-ÜSTA L / XL

Nominal power
45 / 65 kW

see product

tubra-PGS 01

Rated power 13 kW
max. Collector area
Low 43 m² / High 26 m²

see product

tubra-PGS XL

Rated power 58 kW
max. Collector area
Low 116 m² / High 70 m²

see product

Product image ÜSTA S M Iso 648
ÜSTA S / M
Product image ÜSTA S M 648
ÜSTA S / M
Product image ÜSTA S M without control Iso 648
ÜSTA S / M
Product image ÜSTA S M without controller 648
ÜSTA S / M
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