Hitachi Chiller Systems: The ultimate cooling solution for modern factories
Date: 02-02-2026
Hitachi Chiller systems are a leading cooling solution for industrial plants and large buildings. In industrial environments, maintaining stable temperatures is crucial for machinery and product quality. Hitachi Chillers, with their Centrifugal, Screw, and Scroll compressor technologies, deliver superior operational efficiency and significant energy savings.
1. Popular Hitachi Chiller Models in Factories
Hitachi offers a diverse range of models to suit all production scales:
Centrifugal Chiller: High capacity from 300RT to 2500RT, using two-stage compression technology and environmentally friendly R513A refrigerant. Suitable for extremely large-scale factories or central air conditioning systems for airports and hospitals. (Gas R134A + K513A + R1234ZE)
Screw Chiller: Includes both water-cooled and air-cooled models. Uses Hitachi's renowned G-type twin-screw compressors. Flexible capacity from 45RT to over 450RT (Gas R134A)
Modular Scroll Chiller: Flexible modular design, easy to install on rooftops without the need for a dedicated machine room or cooling tower (Gas R410A)
Magnetic Bearing Chiller: Uses anti-collision technology
Absorption Chiller: Uses Steam Absorption Chiller and Direct-fired Absorption Chiller
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2. Operating Principles of Chiller Systems in Practice
Basically, Hitachi chiller systems operate based on a thermodynamic cycle to cool water:
Evaporation Process: Hot water from the treatment plant returns to the evaporator. Here, the refrigerant absorbs heat from the water and turns into vapor.
Compression Process: The compressor (screw or centrifugal) sucks in the refrigerant vapor and compresses it to high pressure and temperature. Inverter technology in models like K-VG or WVY helps to precisely adjust the compressor speed according to the actual load, saving up to 35% of electricity compared to fixed compressors.
Condensation Process: The hot refrigerant vapor is passed through the condenser. Here, the heat is released into the environment through cooling water (water-cooled) or a fan (air-cooled).
Throttle process: After condensing into liquid, the refrigerant passes through the throttle valve to reduce pressure and returns to the evaporator, starting a new cycle.
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3. Outstanding Advantages of Hitachi Chiller Systems
The outstanding advantages of Hitachi Chiller systems that customers and investors should consider:
Extremely High Energy Efficiency: Inverter models boast IPLV values up to 9.93, significantly reducing annual operating costs (which are typically 8-10 times higher than the initial investment).
Stable & Reliable Operation: Advanced control system with LCD touchscreen allows for easy monitoring of operating status, ensuring water temperature deviations are within ±0.5°C.
Environmentally Friendly: Utilizes next-generation refrigerants such as R513A, R134a, or R410A with zero ozone depletion potential (ODP).
Optimized Space Design: New models like the AVSY have a 28% smaller installation footprint compared to older models, saving valuable factory space.
4. Practical Applications in Industry
Hitachi chiller systems at U.P Tech are widely used in:
Process Cooling: Maintaining stable temperatures for food, pharmaceutical, plastics, and electronics production lines.
Air Conditioning (HVAC): Creating an ideal working environment for employees in factories and office buildings.
Conclusion: With its self-developed compressor technology and intelligent control system, Hitachi Chiller is not just a cooling device but also a solution that helps businesses optimize production costs and protect the environment sustainably.
U.P. TECHNOLOGY AND TRADING CO., LTD.
Hotline: 1800 6202
Email: vu@uptech.com.vn
Website: https://uptech.com.vn
Transaction Office: 370 Cach Mang Thang 8 Street, Nhieu Loc Ward, Ho Chi Minh City
Head Office: A13, Thuan Viet Commercial Area, 319 Ly Thuong Kiet Street, Phu Tho Ward, Ho Chi Minh City.
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