DC inverter modular chiller Hisense Hi-Mode VE1 Series 65 kW
Hi-Mod VE1 series chillers adopt full DC inverter technology and feature EVI technology, which facilitates strong heating at low ambient temperature and greatly improves energy efficiency.
Inverter EVI compressor for highly efficient heating
A new generation DC inverter scroll compressor is used, which contributes to sustainable heating at low outside temperature by significantly improving power and energy efficiency. All Hi-Mod VE1 series products use inverter technology, meaning all scroll compressors are of the high efficiency DC EVI type and all fans are DC inverter motors, thus providing exceptional benefits to the user.
EVI compressor with secondary compression with minimal power loss at low outside temperature
Thanks to the EVI technology with secondary compression and economizer, the high-efficiency EVI compressor can significantly improve the heating or cooling performance and in particular optimize the heating circuit, which is able to significantly increase its heat output, realizing higher performance at low outdoor temperature .
- Thanks to the EVI technology, the operating range of the system is wider compared to that of a conventional installation. The lower limit of the range can reach -26ºC.
- The supply water temperature can reach up to 55ºC, covering the conditions for heating with radiators.
- The supply water temperature can reach up to 55ºC at an external temperature of -5ºC and, respectively, up to 45ºC at an external temperature of -25ºC.
- Compared to a conventional constant speed chiller, the relative cooling energy efficiency is increased by 20%.
Smooth fan speed control
The Hi-Mod VE1 series use a variable speed DC fan motor that greatly reduces electrical consumption. The speed is smoothly adjusted according to the outside temperature and the required cooling load, just like the inverter technology used in the compressor, resulting in reliability and high energy efficiency.
- Ensuring stable pressure at the inlet and outlet of the compressor.
- Freon movement is easier, and the dedicated power of the indoor unit is guaranteed.
- Accurate and fast coverage of current energy demand with changing load.
Oil management
- Equipped with a high-efficiency external oil separator, the oil separation efficiency is as high as 98%, which significantly reduces the circulating oil in the system (below 2%) and improves the energy efficiency of the chiller.
- The compressor has a built-in oil filter to ensure the cleanliness and quality of the oil during its life cycle.
- The compressor has a built-in hydraulic pump that actively supplies oil at all times, at any speed mode, ensuring trouble-free lubrication.
Intelligent energy regulation technology
- In constant speed units, power control consists of how many of the compressors are on or off. Supply water temperature varies dramatically and compressors run at full load at low output.
- In the modules with inverter control, the control of the output power is carried out by frequency regulation of the operation of the compressor. In the case of a combination of modules, each system can automatically adjust the frequency control. In this way, the temperature of the supplied water varies within small limits, and the productivity factor increases by 15-20%.
Technical parameters
| Model | HFRWVE-65SPF/AE | HFRWVE-130DPF/AE | ||
| Maximum cooling power | kW | 63 | 126 | |
| Maximum heating power | kW | 68 | 136 | |
| Power consumed during cooling | kW | 22.1 | 43.4 | |
| Consumed heating power | kW | 22.4 | 44.6 | |
| Maximum power consumption | kW | 26,5 | 53 | |
| Current consumption when cooling | А | 36 | 72 | |
| Current consumption during heating | A | 37 | 74 | |
| Maximum current consumption | A | 48 | 96 | |
| COP/EER | - | 2.85/3.04 | 2.9/3.05 | |
| SEER | - | 4.71 | 4.61 | |
| SCOP (T submission 45°C) | - | 2.87 | 2.91 | |
| Power management | - | inverter | ||
| Power supply | - | AC 3φ, 380~415V/50Hz | ||
| Water flow | m3/h | 10.8 | 21.7 | |
| Water resistance (without filter) | kPa | 35 | 35 | |
| Water resistance (with filter) | kPa | 45 | 45 | |
| Pipe diameter (return/feed) | - | G2-1/2" external thread | ||
| Maximum pressure to water heat exchanger | Mpa | 1 | ||
| Control type | - | Automatic by microcomputer | ||
| Compressor type | - | DC inverter spiral | ||
| Number of compressors | No. | 1 | 2 | |
| Fan | Type | - | Axial DC inverter | |
| Flow rate | m3/h | 24400 | 43000 | |
| Number of items | p | 2 | 2 | |
| Freon | Type | - | R410a | |
| Loaded | kg | 15.5 | 2×14.0 | |
| Dimensions | WxHxD | mm | 765×1725x1950 | 1100×2360x2190 |
| Dimensions with packaging | WxHxD | mm | 840×1860x2030 | 1160×2485x2250 |
| Weight | Net weight | kg | 490 | 910 |
| Gross weight | kg | 520 | 940 | |
| in operational mode | kg | 510 | 930 | |
| Sound power | dB(A) | 81 | 84 | |
| Operating range | Cooling | °C | -15～48 | |
| Heating | °C | -26～43 | ||
| T of water supply | Cooling | °C | 5～15 | |
| Heating | °C | 35～55 | ||
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