Hitachi Yutaki S (17.8 kW)
Specifications and technical data
Also known as: RWM-6HFSN3E / RAS-6HRNME-AF, RWD-6HFSNWE-200S / RAS-6HRNME-AF
Air Source (ASHP)ResidentialR410A17.8 kW
| Manufacturer | Hitachi |
|---|---|
| Model | Yutaki S |
| Model code | RAS-6HRNME-AF |
| Heat pump type | Air Source (ASHP) All Air Source heat pumps → |
| Application | Residential All Residential heat pumps → |
| Refrigerant | R410A All R410A heat pumps → |
| Mode | Heating & cooling |
| Heating capacity | 17.8 kW |
| Max heating output (low temp) | 12 kW at A-7/W35 |
| COP (heating) | 4.11 at A7/W35 |
| Operating range (air) | -20 to 35 °C |
| Heating flow temperature | up to 60 °C |
| Electrical supply | 380-415V (Three Phase) |
| Cooling capacity | 10.5 kW |
| Max cooling output (high temp) | 10.5 kW at A35/W7 |
| EER (cooling) | 2.61 at A35/W7 |
| Dimensions (H×W×D) | 1380 × 950 × 370 mm |
| Operational Weight | 108 kg |
| Data added | 2026-10-21 |
| Data source | Hitachi Yutaki Heat Pumps UK sizing guide / product leaflet (Yutaki-M, Yutaki-S, Yutaki-S80) |
| Verification | Verified by a human |
Hitachi Yutaki S Combi RAS-6HRNME-AF R410A split air-to-water heat pump outdoor unit (with RWM-6(H)FSN3E combi indoor unit with DHW tank), heating and cooling, flow up to 60 °C.
Where to buy (UK)
| UK Supplier | The Heat Pump Warehouse |
|---|---|
| UK Supplier | Secon Renewables |
✎ 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.
Reviews & further reading
- Manufacturer Yutaki S 2.0 Combi: heating, cooling & DHW — Hitachi
- Manufacturer Yutaki S 2.0: a compact R32 heat pump — Hitachi
- Review Hitachi Yutaki S Combi air source heat pump review — Federation of Master Builders
- Review Hitachi Yutaki Review — Heat Pump Compared
►My experience with a HEAT PUMP after a complete cold seasonYouTube
►HITACHI YUTAKI S80; HP with Smart controlJohnson Controls Hitachi
►HITACHI YUTAKI SCombi - Air/water Heatpump with DHW TankJohnson Controls Hitachi
►HITACHI Yutaki Heat Pump GradientCiarán O'Mahony
►Hitachi Yutaki S CommissioningDaly Renewables
►Hitachi Yutaki S, S Combi, M R32 air to water heat pumpsHemeltron OÜAlternatives to consider
Three Air Source (ASHP) heat pumps from other manufacturers closest in capacity to this one.
A-thermal Mono R290
AUX · ACHP-H16/4R2HA-M
- Capacity
- 17.82 kW
- SCOP
- 4.91 (W35)
- Sound power
- 58 dB(A)
- Refrigerant
- R290
i-290
Advantix (MAXA) · i-290 0115
- Capacity
- 17.7 kW
- SCOP
- 4.9 (W35)
- Sound power
- 62 dB(A)
- Refrigerant
- R290
NXHM 018T
Riello · NXHM 018T
- Capacity
- 4.32–18 kW
- SCOP
- 4.6 (W35)
- Sound power
- 71 dB(A)
- Refrigerant
- R32
- Price
- ~£15,420
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