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BuderusLogatherm WLW196i.2-4 AR B S+

Buderus Logatherm WLW196i.2-4 AR B S+
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The Buderus Logatherm WLW196i.2-4 AR B S+ is an air-to-water heat pump with a SCOP of 4.98 (35 °C) and a sound power level of 50 dB(A).1

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SCOP (35 °C)
4.981

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

Outdoor unit sound power
50dB(A)1
Official source
Refrigerant
R410A1
Official source
Type (source)
Air-to-water1
Official source
Rated output 35 °C
5.8kW1
Official source

Technical specifications

General
Type (source) Air-to-water1
Compressors 11
Capacity control drehzahlregelung1
Performance
Rated output 35 °C 5.8 kW1
Rated output 55 °C 4.5 kW1
Efficiency
SCOP (35 °C) 4.981
SCOP (55 °C) 3.41
Seasonal efficiency ηs 35 °C 196 %1
Seasonal efficiency ηs 55 °C 133 %1
COP A7/W35 5.011
COP A2/W35 4.251
COP A-7/W35 3.021
SEER (cooling) 4.351
Noise
Outdoor unit sound power 50 dB(A)1
Indoor unit sound power 29 dB(A)1
Refrigerant
Refrigerant R410A1
Refrigerant charge 1.75 kg1
Electrical
Max. power input 4.7 kW1
Connectivity & smart
SG Ready Yes1

Manufacturer documentation

  • Product page (buderus.de)
  • Brochure / leaflet — Logatherm WLW196i Wärmepumpen-Systeme (AR S+, AR, IR) (buderus.de, PDF)
  • Manual — Logatherm WLW196i.2 IR/AR TP120 – Bedienungsanleitung (buderus.de, PDF)
  • Manual — WLW196i.2 AR/IR IDU iB – Bedienungsanleitung (buderus.de, PDF)

External links to Buderus's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.

Frequently asked questions

Which refrigerant does the Buderus Logatherm WLW196i.2-4 AR B S+ use?

The Buderus Logatherm WLW196i.2-4 AR B S+ uses R410A.1

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 29 Sept 2026