Heat pumps · UK

Mitsubishi Electric EuropePUZ-WM112YAA + ERPT30X-VM2ED

The Mitsubishi Electric Europe PUZ-WM112YAA + ERPT30X-VM2ED is an air-to-water heat pump with a SCOP of 4.81 (35 °C) and a sound power level of 60 dB(A). Under permitted development the limit is 42 dB(A) measured 1 m from the nearest neighbouring habitable-room window. Free-standing, the indicative minimum distance is 3.2 m; against a wall 4.5 m.

Last updated: Technical specifications Rules in the UK

Key figures

SCOP (35 °C)
4.81

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

Outdoor unit sound power
60dB(A)
Official source
Refrigerant
R32
Official source
Rated output 35 °C
11.2kW
Official source
Rated output 55 °C
10kW
Official source
UK

Rules in the UK

These rules are still being verified.

Minimum distance to your neighbour

Permitted development rights + MCS 020 planning standard · 1 m from the nearest neighbouring habitable-room window

Permitted development (MCS 020) ≤ 42 dB(A) · at the assessment position
Free-standing 3.2 m
Against wall 4.5 m
In corner 6.3 m

Indicative calculation (hemispherical, no barriers). Not a substitute for an MCS 020 assessment. Source

Boiler Upgrade Scheme

Unknown

Fixed grant towards installation; check current amount with Ofgem. Ofgem

Technical specifications

General
Type Air-to-water BAFA
Compressors 1 BAFA
Capacity control Inverter BAFA
Performance
Rated output 35 °C 11.2 kW BAFA
Rated output 55 °C 10 kW BAFA
Efficiency
SCOP (35 °C) 4.81 BAFA
SCOP (55 °C) 3.4 BAFA
Seasonal efficiency ηs 35 °C 189 % BAFA
Seasonal efficiency ηs 55 °C 133 % BAFA
COP A7/W35 4.7 BAFA
COP A2/W35 4.64 BAFA
COP A-7/W35 3.31 BAFA
Noise
Outdoor unit sound power 60 dB(A) BAFA
Indoor unit sound power 40 dB(A) BAFA
Refrigerant
Refrigerant R32 BAFA
Refrigerant charge 3 kg BAFA
Electrical
Max. power input 8.47 kW BAFA
Connectivity & smart
SG Ready Yes BAFA

Frequently asked questions

Can I install the Mitsubishi Electric Europe PUZ-WM112YAA + ERPT30X-VM2ED without planning permission?

Under Permitted development rights + MCS 020 planning standard the unit must not exceed 42 dB(A) 1 m from the nearest neighbouring habitable-room window. With a sound power of 60 dB(A) that indicatively means 3.2 m free-standing, 4.5 m against a wall or 6.3 m in a corner. Your MCS installer must confirm this.

Which refrigerant does the Mitsubishi Electric Europe PUZ-WM112YAA + ERPT30X-VM2ED use?

The Mitsubishi Electric Europe PUZ-WM112YAA + ERPT30X-VM2ED uses R32.