The Yutaki-S Indoor Hydro Module (RWM Series) is a compact and high-efficiency indoor solution for residential air-to-water heat pump systems. Serving as the hydraulic interface, it manages the transfer of heat from outdoor Yutaki-S units to indoor emitters such as underfloor heating, radiators, or domestic hot water systems. With built-in backup electric heaters and a comprehensive range of hydraulic features, it simplifies installation and ensures high performance year-round.
| Model Reference | Backup Electric Heater (kW) | Net Weight (kg) | Dimensions (H x L x D) mm | Sound Power dB(A) | Expansion Vessel (L) | Water Flow (min / rated / max) m3/h | Hydraulic Connections (inches) | Min. System Water Capacity (L) | Remote Control |
|---|---|---|---|---|---|---|---|---|---|
| RWM-2.0R1E | 3 (1+1+1) | 35 | 712 x 450 x 285 | 37 | 6 | 0.5 / 0.77 / 1.9 | 1″ | 28 | Included |
| RWM-2.5R1E | 3 (1+1+1) | 36 | 712 x 450 x 285 | 37 | 6 | 0.6 / 1.03 / 2.0 | 1″ | 38 | Included |
| RWM-3.0R1E | 3 (1+1+1) | 37 | 712 x 450 x 285 | 37 | 6 | 0.6 / 1.29 / 2.1 | 1″ | 46 | Included |
| RWM-4.0N1E | 6 (2+2+2) | 46 | 890 x 520 x 370 | 39 | 10 | 1.0 / 1.89 / 2.9 | 1 1/4″ | 55 | Included |
| RWM-5.0N1E | 6 (2+2+2) | 48 | 890 x 520 x 370 | 39 | 10 | 1.1 / 2.41 / 3.0 | 1 1/4″ | 76 | Included |
| RWM-6.0N1E | 6 (2+2+2) | 48 | 890 x 520 x 370 | 39 | 10 | 1.2 / 2.75 / 3.0 | 1 1/4″ | 79 | Included |
| RWM-8.0N1E | 9 (3+3+3) | 60 | 890 x 670 x 370 | 47 | 10 | 2.0 / 3.44 / 4.5 | 1 1/4″ | – | Included |
| RWM-10.0N1E | 9 (3+3+3) | 62 | 890 x 670 x 370 | 47 | 10 | 2.2 / 4.13 / 4.6 | 1 1/4″ | – | Included |
