Rinnai HPMAX (74.7 kW)

Specifications and technical data

Also known as: Rinnai HPMAX 75

Air Source (ASHP)CommercialR410A74.7 kW

Manufacturer	Rinnai
Model	HPMAX
Model code	HPMAX 0475
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Commercial All Commercial heat pumps →
Refrigerant	R410A All R410A heat pumps →
Mode	Heating & cooling
Heating capacity	74.7 kW
Max heating output (low temp)	71 kW at A7/W45
COP (heating)	4.05 at A7/W35
SCOP (heating)	3.55 at W35
Operating range (air)	from -25 °C
Heating flow temperature	up to 60 °C
Electrical supply	380-415V (Three Phase)
Dimensions (H×W×D)	1985 × 2250 × 1170 mm
Operational Weight	946 kg
Sound power level	84 dB(A) (Sound Power LW(A))
Data added	2026-10-26
Data source	Rinnai Commercial Heat Pumps brochure + Rinnai technical product submittal
Verification	Verified by a human

Free data sheet (PDF) →

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

Rinnai HPMAX 0475, a 74.7 kW reversible R410A heat pump for large commercial and industrial systems: two refrigerant circuits, 4 scroll compressors (part inverter), integrated hydronic kit and up to 60 C hot water. COP 4.05 at A7/W35, SCOP 3.55. Cascade up to 7 units.

✎ Suggest a correction to this data

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