ViessmannIDU-A AWMIW.A1.19-V052 ODU 250-A AWMOF-251.A1.16-400-V001
The Viessmann IDU-A AWMIW.A1.19-V052 ODU 250-A AWMOF-251.A1.16-400-V001 is an air-to-water heat pump with a SCOP of 4.86 (35 °C) and a sound power level of 48 dB(A).1,2
Key figures
Technical specifications
| General | |
|---|---|
| Type (source) | Air-to-water1 |
| Compressors | 11 |
| Capacity control | Inverter1 |
| Performance | |
| Heating capacity (A7/W35) | 8.5 kW2 |
| Rated output 35 °C | 13.61 kW1 |
| Rated output 55 °C | 13.18 kW1 |
| Min. outdoor temperature | -20 °C2 |
| Efficiency | |
| SCOP (35 °C) | 4.861 |
| SCOP (55 °C) | 3.881 |
| Seasonal efficiency ηs 35 °C | 191 %1 |
| Seasonal efficiency ηs 55 °C | 152 %1 |
| Energy label 35 °C | A, , , 2 |
| Energy label 55 °C | A, , , 2 |
| COP A7/W35 | 6.21 |
| COP A2/W35 | 51 |
| COP A-7/W35 | 2.81 |
| Noise | |
| Outdoor unit sound power | 48 dB(A)1 |
| Indoor unit sound power | 40 dB(A)1 |
| Refrigerant | |
| Refrigerant | R2901 |
| Refrigerant GWP | 32 |
| Refrigerant charge | 2 kg1 |
| Electrical | |
| Max. power input | 1.6 kW1 |
| Connectivity & smart | |
| SG Ready | Yes1 |
Manufacturer documentation
- Product page
- Datasheet / specifications — Datenblatt Vitocal 250-A
- Brochure / leaflet — Prospekt Vitocal 250-A
External links to Viessmann's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.
Compare with
Frequently asked questions
Sources
- List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 27 Sept 2026
- Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026