versusindex
MT
Heat pumps · MT

ViessmannIDU-A AWMIW.A1.19-V052 / ODU 150-A AWMOF-151.A1.16-400-V001

Viessmann IDU-A AWMIW.A1.19-V052 / ODU 150-A AWMOF-151.A1.16-400-V001
Image: Viessmannrequest removal

The Viessmann IDU-A AWMIW.A1.19-V052 / ODU 150-A AWMOF-151.A1.16-400-V001 is an air-to-water heat pump with a SCOP of 4.78 (35 °C) and a sound power level of 55 dB(A).1,2

Last updated: Technical specifications ⇄ Compare this model
Search this model
SCOP (35 °C)
4.781

Seasonal efficiency: how much heat you get per kWh of electricity across a heating season.

Heating capacity (A7/W35)
9.1kW2
Official source
Outdoor unit sound power
55dB(A)1
Official source
Refrigerant
R2901
Official source
Type (source)
Air-to-water1
Official source

Technical specifications

General
Type (source) Air-to-water1
Compressors 11
Capacity control Inverter1
Performance
Heating capacity (A7/W35) 9.1 kW2
Rated output 35 °C 13.67 kW1
Rated output 55 °C 13.37 kW1
Min. outdoor temperature -20 °C2
Efficiency
SCOP (35 °C) 4.781
SCOP (55 °C) 3.831
Seasonal efficiency ηs 35 °C 188 %1
Seasonal efficiency ηs 55 °C 150 %1
Energy label 35 °C A, , , 2
Energy label 55 °C A, , , 2
COP A7/W35 6.231
COP A2/W35 4.81
COP A-7/W35 2.861
Noise
Outdoor unit sound power 55 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 1.82 kW1
Connectivity & smart
SG Ready Yes1

Variants

This model is registered in 6 combinations (for example with a different indoor unit or cylinder) with exactly the same performance. All figures on this page apply to each of these types. The part of the type number that differs is in bold; small differences (e.g. cylinder volume or anode) are listed after it:

  • IDU-A AWMIW.A1.19-V052 / ODU 150-A AWMOF-151.A1.16-400-V001
  • IDU-A AWMIW.A1.19-V052 / ODU 150-A AWMOF-151.A1.16-400-V002
  • IDU-A Compact AWMIT.A1.19-V053 / ODU 150-A AWMOF-151.A1.16-400-V002
  • IDU-A Compact AWMIT.A1.19-V053 / ODU 150-A AWMOF-151.A1.16-400-V002
  • IDU-A Modular AWMIW.A1.19-V051 / ODU 150-A AWMOF-151.A1.16-400-V002
  • IDU-A Modular AWMIW.A1.19-V051 / ODU 150-A AWMOF-151.A1.16-400-V002

Manufacturer documentation

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

Which refrigerant does the Viessmann IDU-A AWMIW.A1.19-V052 / ODU 150-A AWMOF-151.A1.16-400-V001 use?

The Viessmann IDU-A AWMIW.A1.19-V052 / ODU 150-A AWMOF-151.A1.16-400-V001 uses R290.1,2

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 27 Sept 2026
  2. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026