Hitachi GLS Chiller Unit Air-Cooled Cooling Only Standard/Inverter
Hitachi Global Life Solutions
Air-cooled dedicated chillers with improved rated cooling COP across all models, featuring standard module control.
Overview Improved rated cooling COP across all models. Enhanced performance during low-load operation achieves high energy-saving efficiency. Additionally, module control functionality is standard equipment. Achieving high rated cooling COP with Hitachi's new technology By incorporating a high-efficiency inverter scroll compressor and improving the refrigeration cycle and water-side heat exchanger, we have enhanced the rated cooling COP across all models. Improved low-load performance path structure Adopting a heat exchanger path structure that maximizes heat exchanger performance during low-load operation. The heat exchanger is divided into upper and lower sections, and the flow path narrows as it moves downstream, increasing refrigerant flow velocity and improving heat transfer rate. This has increased cooling capacity and enhanced energy-saving efficiency. Σ (Sigma) shape heat exchanger A two-fan structure designed to improve efficiency during low-load operation. By utilizing a Σ (Sigma) shaped heat exchanger that maximizes the effects of this two-fan structure, we have improved heat exchanger performance. For further details, please contact us.
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basic information
- Improved the rated cooling COP for all models by incorporating high-efficiency inverter scroll compressors and enhancing the refrigeration cycle and water-side heat exchangers. - Adopted low-load performance improvement pass structure, Σ-shaped heat exchangers, and long bell mouth structures. - Capable of controlling up to 8 modules in one group (maximum cooling capacity of 400 kW). - Standard features include unit control, rotation, and operation continuation function during abnormal stops. - Capable of being transported by an 11-person elevator (excluding model 500). - Model numbers: RCUNP75AV1~RCUNP500AV1.
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Applications/Examples of results
It is suitable for air conditioning and process cooling that require cold water supply for office buildings, factories, and facilities. It can be utilized in applications that emphasize energy efficiency and stable operation through multi-unit control.
Line up（6）
| Model number | overview |
|---|---|
| RCUNP75AV1 | |
| RCUNP125AV1 | |
| RCUNP190AV1 | |
| RCUNP250AV1 | |
| RCUNP375AV1 | |
| RCUNP500AV1 |
Company information
Kyushu Kiden Co., Ltd. not only sells electrical and mechanical products such as air conditioning equipment, industrial machinery, air compressors, elevators, escalators, and lighting fixtures as a Hitachi sales agent, but also provides solutions that contribute to energy conservation and decarbonization (SDGs), including the currently popular solar power generation (PPA), biomass power generation, and waste heat recovery units. The company is also certified as a planner for ZEB (Net Zero Energy Building), which has recently gained attention in corporate energy-saving measures, and has received great acclaim for its comprehensive energy-saving proposals for entire buildings. 【Service Areas】 - Fukuoka, Saga, Kumamoto, Oita, Yamaguchi, Hiroshima, Osaka 【Major Qualifications】 - First-Class Plumbing Construction Management Engineer - First-Class Electrical Work Construction Management Engineer - Designated Construction Industry Supervisory Engineer (Plumbing) - Designated Construction Industry Supervisory Engineer (Electrical Work) - First-Class Electrician - Chief Technician for Water Supply Equipment Construction - First-Class Refrigeration and Air Conditioning Equipment Construction Skill Technician - Building Equipment Engineer - First-Class Civil Engineering Construction Management Engineer - Third-Class Refrigeration Machinery Manufacturing Safety Manager - Refrigeration and Air Conditioning Construction Safety Management Certificate - Refrigerant Handling Technician Certificate - First-Class Hitachi Refrigeration and Air Conditioning Technician (Air Conditioning and Low Temperature) - And many others.
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