tubra®-eTherm C
Power to heat
External electric heater for loading buffer storage tanks with target temperature for optimal storage stratification.
- heating power 9 kW ( 3 * 3 kW )
- intrinsically safe incl. thermostat, safety temperature limiter, pump control, power contactor
- optional reheating function
- applicable for external energy management systems for thermal storage of PV surplus power
- optimal layer loading for immediately usable heat
- complete use of the available storage capacity in contrast to heating rods
- hydraulic, thermal supplement for energy management systems from
my-PV, Fronius, solaredge, SMA, Varista
Power extension
eTherm cascade
combination of tubra®-eTherm P and tubra®-eTherm C
- total thermal power 12 kW
- stepless modulating
- recommended for buffer tanks from 1500 liters
- PV systems up to 30 kWp, incl. sensors and power electronics
- independent of the inverter or energy management systems
combination of tubra®-eTherm C and tubra®-eTherm C
- Stations can be connected in series
| Typ | tubra®-eTherm P | tubra®-eTherm C 3 / 9 | tubra®-eTherm S |
|---|---|---|---|
| Ausführung | Heizungswasser | Heizungswasser | Trink- oder Heizungswasser |
| Modulation VDE konform | Ja | Ja | Ja |
| nutzbare Speicherkapazität | 100 % | 100 % | 40 - 80 % |
| Zieltemperaturregelung zur Speicherschichtung | elektronisch | elektronisch | - |
| Max. Betriebsdruck | 3 bar | 3 bar | - |
| max. Speicherladetemperatur | 80 °C | 80 °C | 80 °C |
| Nennleistung | 0 - 3 kW (13 A) | 3 kW (0,8 / 0,8 / 1,4 kW) 9 kW (3 x 3 kW) | 0 - 3 kW |
| Abmessung H x B x T | 605 x 400 x 240 mm | 605 x 400 x 240 mm | 226 x 302 x 84 mm |
| Elektroanschluss | 1-phasig PE 230 V AC 50 / 60 Hz | C 3: 1-phasig / C 9: 3-phasig PE 230 V AC 50 / 60 Hz | 1-phasig PE 230 V AC 50 / 60 Hz |
| Messung | 3-phasig | * | 3-phasig |
| Erforderlicher Leiterquerschnitt | 2,5 mm² | 2,5 mm² | 2,5 mm² |
| Nenninhalt | 0,2 l | 0,2 l | - |
| Gewicht | 13 kg | 13 kg | 9 kg |
| Heizelement | 0,1-0,8 kW / 0,8 kW / 1,4 kW | 0,8 / 0,8 / 1,4 kW / 3 x 3 kW | 3 kW |
| max. Durchfluss | 300 l/h | 900 l/h | - |
| Restförderhöhe | 100 mbar | 100 mbar | - |
| Zieltemperatur | 30 - 70 °C | 65 °C | - |
| Wasseranschluss | G1 AG, Rp 3/4 IG | Rp 3/4 IG | G1 1/2 |
| Umwälzpumpe | Para 15/7 iPWM2 | Para 15/7 iPWM2 | - |
| Leistungsaufnahme | 3 - 45 W | 3 - 45 W | < 1 W |
| Materialien | Messing, Edelstahl, Kupfer | Messing, Edelstahl, Kupfer | - |
| Schnittstellen | V-BUS, PWM, S0, 0-10V und potentialfreie Kontakte zur Fernsteuerung und als Kommunikations- schnittstelle vorbereitet. | Pumpenanschluss 230 VAC Heizungsanschluss 1 / 3-phasig 230VAC 50Hz | Keine |
Product portfolio Power to heat
Power to heat stations from tuxhorn store energy in heat accumulators with significantly higher storage capacities than in batteries. They are used exclusively for heating water by means of electric heating element in the flow-through principle.
