The R290 All-in-One Air-to-Water Heat Pump is a split system designed for the European market, combining an outdoor heat pump unit with an indoor all-in-one hydraulic module that integrates buffer tank, DHW tank, pumps, valves, expansion vessels, and intelligent control.
By moving the entire water circuit indoors and keeping the refrigerant system outdoors, this solution delivers high safety, fast installation, and professional serviceability, while meeting Europe’s growing demand for low-GWP, high-efficiency heat pump systems.
R290 All-in-One Heat Pump
R290 All-in-One Heat Pump-Application
The outdoor unit houses all refrigerant and heat-exchange components, ensuring safe operation and compliance with hydrocarbon refrigerant best practices.
Main components:
➡ Keeps refrigerant outside the building, improving safety and simplifying approvals.
The indoor unit integrates the entire water system in a compact, factory-assembled cabinet, minimizing installation time and errors.
Hydraulic & control integration:
➡ A clean, professional indoor installation that installers and service teams appreciate.
Q1: Is this a true All-in-One heat pump system?
Yes. The indoor unit integrates the complete hydraulic system, including buffer tank, DHW tank, pumps, valves, expansion tank, and controller. Only the heat pump core remains outdoors.
Q2: Is refrigerant present inside the building?
No. The refrigerant circuit is located in the outdoor unit. The indoor unit contains only water and electrical components, improving safety when using R290.
Q3: Is R290 safe for residential projects in Europe?
Yes, when installed correctly by trained professionals → R290 is widely accepted in Europe due to its ultra-low GWP. This system’s split design further reduces indoor refrigerant risk.
Q4: Does the system support Legionella protection?
Yes. The indoor DHW tank includes an electric heater that enables high-temperature disinfection cycles.
Q5: How does this benefit installers?
Pre-assembled hydraulics mean less piping, fewer errors, faster commissioning, and easier servicing — ideal for professional installation teams.
Q6: Can it be used for heating and domestic hot water at the same time?
Yes. The integrated buffer tank and electric 3-way valve manage space heating and DHW operation efficiently.
Q7: What maintenance is required?
Routine checks include pressure, anode inspection, relief valves, and standard refrigerant inspections according to local regulations.
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| Mode | HPM-V80W/R3-D | HPM-V100W/R3-D | HPM-V120W/R3-D |
| Prated Heating Capacity for SCOP Average Climate (kW) | 8.03 | 9.88 | 11.75 |
| Pmax Heating Capacity @ AT: 7°C/6°C, WT: 30°C/35°C (kW) | 12 | 14 | 16 |
| [Space Heating] Ambient Temp. (DB/WB): 7°C/6°C, Water Temp. (Inlet/Outlet): 30°C/35°C. | |||
| Heating Capacity (kW) | 3.07~8.11 | 4.05~10.29 | 4.53~12.01 |
| Power Input (kW) | 0.54~1.74 | 0.71~2.17 | 0.82~2.72 |
| COP | 5.68~4.66 | 5.70~4.73 | 5.54~4.42 |
| [Space Heating] Ambient Temp. (DB/WB): 2°C/1°C, Water Temp. (Inlet/Outlet): 30°C/35°C. | |||
| Heating Capacity (kW) | 2.61~8.05 | 3.25~10.25 | 3.85~12.02 |
| Power Input (kW) | 0.49~1.98 | 0.6~2.47 | 0.73~3.04 |
| COP | 5.33~4.06 | 5.42~4.15 | 5.27~3.95 |
| [Space Heating] Ambient Temp. (DB/WB): -7°C/ -8°C, Water Temp. (Inlet/Outlet): 30°C/35°C. | |||
| Heating Capacity (kW) | 1.69~7.96 | 2.1~9.32 | 2.49~11.65 |
| Power Input (kW) | 0.42~2.69 | 0.53~3.07 | 0.67~4.12 |
| COP | 4~2.96 | 3.98~3.03 | 3.71~2.83 |
| [Space Heating] Ambient Temp. (DB/WB): 7°C/6°C, Water Temp. (Inlet/Outlet): 40°C/45°C. | |||
| Heating Capacity (kW) | 2.87~7.75 | 3.57~9.66 | 4.24~11.45 |
| Power Input (kW) | 0.62~2.09 | 0.78~2.63 | 0.99~3.34 |
| COP | 4.6~3.71 | 4.57~3.67 | 4.26~3.43 |
| [Space Heating] Ambient Temp. (DB/WB): 7°C/6°C, Water Temp. (Inlet/Outlet): 47°C/55°C. | |||
| Heating Capacity (kW) | 2.67~7.07 | 3.33~9.05 | 3.94~11.01 |
| Power Input (kW) | 0.66~2.28 | 0.82~2.90 | 1.05~3.57 |
| COP | 4.06~3.10 | 4.04~3.12 | 3.76~3.08 |
| [Space Cooling] Ambient Temp. (DB/WB): 35°C/24°C, Water Temp. (Inlet/Outlet): 23°C/18°C. | |||
| Cooling Capacity (kW) | 3.56~8.61 | 4.43~11.52 | 5.26~13.25 |
| Power Input (kW) | 0.56~2.54 | 0.7~3.36 | 0.89~4.11 |
| EER | 6.4~3.39 | 6.35~3.43 | 5.92~3.22 |
| [Space Cooling] Ambient Temp. (DB/WB): 35°C/24°C, Water Temp. (Inlet/Outlet): 12°C/7°C. | |||
| Cooling Capacity (kW) | 3.04~6.73 | 3.78~9.12 | 4.49~10.35 |
| Power Input (kW) | 0.88~2.16 | 1.1~3.08 | 1.34~3.77 |
| EER | 3.47~3.11 | 3.44~2.96 | 3.35~2.74 |
| [Hot Water] Ambient Temp. (DB/WB): 20°C/15°C, Water Temp. from 15°C to 55°C. | |||
| Heating Capacity (kW) | 4.35 | 6.38 | 6.85 |
| Power Input (kW) | 0.96 | 1.48 | 1.61 |
| COP | 4.52 | 4.31 | 4.26 |
| Max. Power Input (kW) | 3.25 | 3.58 | 4.83 |
| Max. Running Current (A) | 14.10 | 15.60 | 21.00 |
| Max. Outlet Water Temp. (°C) | 75 | ||
| Heating Operating Ambient Temp. Range (℃) | -25~43 | ||
| Cooling Operating Ambient Temp. Range (℃) | -5~43 | ||
| Power Supply | 220-240V~50Hz | ||
| Rated Water Flow (m³/h) | 1.39 | 1.70 | 2.02 |
| Water Pressure Drop (kPa) | 10.8 | 17.3 | 22.3 |
| Chassis Heater | Yes | ||
| Crankcase Heater for Compressor | Yes | ||
| Plate Heat Exchanger Heater | Yes | ||
| Heater for Expansion Tank Connecting Pipe | Yes | ||
| Expansion Tank (L) | 5 | 5 | 5 |
| Compressor | Mitsubishi | Mitsubishi | Mitsubishi |
| Circulating Pump | SHIMGE | SHIMGE | SHIMGE |
| Fan Quantity | 1 | ||
| Display | 7 inch | ||
| Wi-Fi Function | Yes | ||
| ErP Level (35°C) | A+++ | ||
| ErP Level (55°C) | A++ | ||
| ErP Level for DHW | A | ||
| Refrigerant Type | R290 | ||
| Sound Pressure Level at 1m [dB(A)] | 36~44 | 40~46 | 40~47 |
| Sound Power Level [dB(A)] | 51~58 | 55~61 | 55~62 |
| Water Pipe Connection (mm) | G1″ | ||
| Water Proof Class | IPX4 | ||
| Net Weight (kg) | 112 | 126.5 | 126.5 |
| Gross Weight (kg) | 123 | 137 | 137 |
| Net Dimensions [L×W×H (mm)] | 1257×440×892 | ||
| Packing Dimensions [L×W×H (mm)] | 1320×453×1008 | ||
| Model | HM-80/DR3-D | HM-100/DR3-D | HM-120/DR3-D |
| DHW Tank (L) | 150 | 150 | 150 |
| Buffer Tank (L) | 40 | 40 | 40 |
| Expansion Tank for DHW (L) | 12 | 12 | 12 |
| DHW Tank Material | Stainles Steel 316L | Stainles Steel 316L | Stainles Steel 316L |
| Buffer Tank Material | Stainles Steel 304 | Stainles Steel 304 | Stainles Steel 304 |
| Secondary Circulation Water Pump | Built-In, 9 Meters Heading | Built-In, 9 Meters Heading | Built-In, 9 Meters Heading |
| Water Pressure Gauge | Yes | Yes | Yes |
| Gas Leakage Sensor | Yes | Yes | Yes |
| Control Panel | 7-Inch Touch Screen | 7-Inch Touch Screen | 7-Inch Touch Screen |
| Power Supply | 220-240V~/50Hz | 220-240V~/50Hz | 220-240V~/50Hz |
| 3- Way Valve | Yes | Yes | Yes |
| Electric Heater in DHW Tank (kW) | 3 | 3 | 3 |
| Electric Heater in Buffer Tank (kW) | 3 | 3 | 3 |
| DHW Tank Supply Port | G3/4″ | G3/4″ | G3/4″ |
| DHW Tank Return Port | G1/2″ | G1/2″ | G1/2″ |
| Buffer Tank Supply/Return Port | G1″ | G1″ | G1″ |
| Heat Pump Supply/Return Port | G1″ | G1″ | G1″ |
| Water Refill Port | G3/4″ | G3/4″ | G3/4″ |
| Dimensions of DHW Heating Coil | φ32x20m | φ32x20m | φ32x20m |
| Maximum Power [Including Water Pump (kW)] | 6.5 | 6.5 | 6.5 |
| Maximum Current [Including Water Pump (A)] | 28.26 | 28.26 | 28.26 |
| Sound Pressure Level at 1m [dB(A)] | 36 | 36 | 36 |
| Sound Power Level [dB(A)] | 21 | 21 | 21 |
| Net Dimensions [L×W×H (mm)] | 597×620×2110 | 597×620×2110 | 597×620×2110 |
| Packing Dimension[L×W×H (mm)] | 647x670x2120 | 647x670x2120 | 647x670x2120 |
| Stop Valve for Expansion Tank | Yes | Yes | Yes |
| Stop Valve for DHW Tank | Yes | Yes | Yes |
| Stop Valve for Buffer Tank | Yes | Yes | Yes |
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