Ochsner AQUA 11 HSTA

Specifications and technical data

Water Source (WSHP)CommercialR410A

Manufacturer	Ochsner
Model	AQUA 11 HSTA
Model code	255020V0005
Heat pump type	Water Source (WSHP)
Application	Commercial
Refrigerant	R410A
Mode	Heating only
Max heating output (low temp)	10 kW
COP (heating)	5.7 at W10/W35
SCOP (heating)	6.44 at W35
Operating range (air)	6 to 25 °C
Heating flow temperature	15–65 °C
Electrical supply	380-415V (Three Phase)
Dimensions (H×W×D)	1289 × 600 × 680 mm
Operational Weight	180 kg
Sound power level	45 dB(A) (dB(A))
Data added	2026-07-28
Data source	Manufacturer datasheet

Ochsner AQUA 11 HSTA water/water heat pump. Order number 255020V0005. M4 indoor unit with internal circulation pump and flow meter. R410A refrigerant, scroll compressor, 3-phase 400V (6.3A, 10A fuse). Heating only. Heat source: groundwater/surface water 6-25°C. Max flow temperature 65°C. W10/W50: 8.30kW COP 3.60. W10/W60: 7.90kW COP 2.70. SCOP 55°C: 4.03. Suitable for 7-10kW building heat load.

✓ Manually verified by Heat Pump Database

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