The 60HP and 70HP models have respective COP ratings of 3.46 and 3.33 (rated cooling capacity), the highest levels in the industry(4). As a result, the 60HP model no longer requires registration under
The compressor adopted in the new MSV2 models features a more advanced "e-3D" scroll, which compresses both vertically and horizontally and thereby enhances efficiency during low loads. Changing the shape of the scroll has reduced leakage loss significantly and further raised the efficiency level. Meanwhile, superlative energy-saving performance has been achieved through the adoption of a large fan, long bell mouth, and small-diameter hairpin in the air heat exchanger. In addition, startup speed has been increased threefold compared to earlier models, resulting in reduced fluctuations in water temperature and enabling recovery from power outages. Also, cooling/heating is possible even in extremely hot environments, accommodating outside air intake temperatures up to 52degC.
Going forward, MHI Thermal Systems will continue to pursue the development of technologies and products that contribute to further energy savings and enhanced environmental performance. With its comprehensive technological capabilities derived from synergies enabled by the company's broad operations in fields related to heating and cooling, MHI Thermal Systems will strive for the optimal thermal solutions to meet customers' diverse needs.
(1) A heat pump chiller is a unit that creates and supplies hot and cold water to office buildings and industrial facilities such as factories for air-conditioning and other applications. Heat pump chillers are used mainly in cooling applications, but as the term "heat pump" indicates, they also can serve to heat water to high temperatures. They consist of circuitry using a refrigerant and water circulation system. The refrigerant and water perform heat exchange through a water heat exchanger.
(2) COP: Rated refrigeration capacity (kW) divided by power consumption (kW), including auxiliary power. The higher the value, the greater the energy saving. COP is calculated based on guidelines set by Japanese Industrial Standards (JIS).
(3) GWP: The lower the value, the higher the level of environmental performance. CO2 has a GWP of 1.
(4) Based on MHI Thermal Systems' findings as of
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