
The Yutaki-S80 Indoor Unit (RWH Series) is engineered for applications requiring very high water temperatures, making it an ideal solution for retrofits or replacement of oil/gas boilers. With an innovative dual cascade refrigerant system (R410A and R134A), it achieves up to 80°C outlet temperature without electric backup, ensuring energy efficiency and year-round comfort even in extreme cold conditions. Compact, easy to install, and compatible with various heating emitters, it’s the perfect fit for high-demand domestic or light commercial applications.
| Model Reference | Nominal Output | Power Supply | Max Water Temp (°C) | SCOP (35°C / 55°C) | COP (7°C/35°C) | Sound Power (dB(A)) | Dimensions (HxLxD mm) | Net Weight (kg) | Water Flow (m3/h) Min / Rated / Max | Expansion Vessel (L) | Min Water Volume (L) | Remote Control |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RWH-4.0VNFE | 11 kW | 230V / 1Ph / 50Hz | 80°C | 4.75 / 3.63 | 5.0 | 57 | 751 x 600 x 623 | 135 | 1 / 1.89 / 2.8 | 12 | 40 | Not Included |
| RWH-5.0VNFE | 14 kW | 230V / 1Ph / 50Hz | 80°C | 4.43 / 3.35 | 4.71 | 57 | 751 x 600 x 623 | 139 | 1.1 / 2.41 / 3.2 | 12 | 50 | Not Included |
| RWH-6.0VNFE | 16 kW | 230V / 1Ph / 50Hz | 80°C | 3.88 / 3.23 | 4.57 | 58 | 751 x 600 x 623 | 139 | 1.2 / 2.75 / 3.2 | 12 | 50 | Not Included |
| RWH-4.0NFE | 11 kW | 400V / 3Ph / 50Hz | 80°C | 4.75 / 3.63 | 5.0 | 57 | 751 x 600 x 623 | 137 | 1 / 1.89 / 2.8 | 12 | 40 | Not Included |
| RWH-5.0NFE | 14 kW | 400V / 3Ph / 50Hz | 80°C | 4.43 / 3.35 | 4.71 | 57 | 751 x 600 x 623 | 146 | 1.1 / 2.41 / 3.2 | 12 | 50 | Not Included |
| RWH-6.0NFE | 16 kW | 400V / 3Ph / 50Hz | 80°C | 3.88 / 3.23 | 4.57 | 58 | 751 x 600 x 623 | 146 | 1.2 / 2.75 / 3.2 | 12 | 50 | Not Included |