Alpha Innotec alira LWD (7.5 kW)

Specifications and technical data

Also known as: LWD 50 A/SX, LWD 50A-HMD, LWD 50A-HTD

✓ BUS eligibleAir Source (ASHP)ResidentialR2907.5 kW

Manufacturer	Alpha Innotec
Model	alira LWD
Model code	LWD 50A
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R290 All R290 heat pumps →
Mode	Heating only
Heating capacity	7.5 kW
Max heating output (low temp)	4.6 kW at A-7/W35
COP (heating)	4.8 at A7/W35
Operating range (air)	-20 to 35 °C
Heating flow temperature	20–62 °C
Electrical supply	380-415V (Three Phase)
Dimensions (H×W×D)	1320 × 930 × 505 mm
Operational Weight	141 kg
Sound power level	57 dB(A) (Sound Power LW(A))
Data added	2026-09-21
Data source	Manufacturer documentation (Alpha Innotec)
Verification	Verified by a human
Boiler Upgrade Scheme	✓ BUS eligible — Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026). Grant also needs an MCS-certified installer and a qualifying system design. Funding guide
PEL certificate no.	041-K001-20 a

Free data sheet (PDF) →

Check noise at a neighbour’s window (MCS 020 a) →

Alpha Innotec alira LWD 50A air-to-water monobloc for outdoor installation, paired with an indoor hydraulic module (HMD) or hydraulic tower (HTD), natural R290 refrigerant. Rated 7.1 kW at A7/W35 with a COP of 4.8 to EN 14511, and 5.6 kW at A2/W35. Heating flow up to 62 °C, air from -20 to 35 °C.

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Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.