The Hitachi Hydro Free Low Temperature Hydrobox (RWLT & RWHT Series) is designed to provide an efficient and versatile hydronic heating solution by utilizing VRF system technology. This unit delivers low-temperature water for various heating applications, including underfloor heating, radiators, and fan coil units. The compact and lightweight design makes it ideal for residential and commercial installations where space and energy efficiency are a priority.z
| Model | Max Heat Output (kW) | Nominal Heat 7°C/35°C (kW) | Nominal Heat -7°C/35°C (kW) | Nominal Heat -7°C/45°C (kW) | Sound Power (dB(A)) | Dimensions (mm) (HxWxD) | Weight (kg) | Water Flow (m³/h) | Hydraulic Conn. (in) | Refrigerant Pipe (Liq/Gas) | Fuse (A) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RWLT-3.0VN1E | 9.00 | 5.50 | 5.20 | 5.20 | 37 | 712 (782) × 450 × 275 | 35 | 1.5 | 1″ | 3/8″ – 5/8″ | 5 |
| RWLT-5.0VN1E | 16.00 | 11.50 | 11.10 | 11.10 | 39 | 890 (960) × 520 × 360 | 50 | 2.7 | 1 1/4″ | 3/8″ – 5/8″ | 5 |
| RWLT-10.0VN1E | 27.00 | 17.70 | 15.61 | 15.61 | 47 | 890 (960) × 670 × 360 | 62 | 4.7 | 1 1/4″ | 3/8″ – 7/8″ | 5 |
