Screw Chiller

Water Cold Screw Style HVAC Chiller

A water-cooled screw style HVAC chiller is a type of chiller used in commercial and industrial air conditioning and refrigeration applications. It uses a screw compressor to compress the refrigerant, which is then cooled by water circulated through a separate water-cooled condenser.


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A water-cooled screw style HVAC chiller is a type of chiller used in commercial and industrial air conditioning and refrigeration applications. It uses a screw compressor to compress the refrigerant, which is then cooled by water circulated through a separate water-cooled condenser.

The chiller is designed with a screw compressor that is equipped with two interlocking rotors. As the rotors turn, they compress the refrigerant gas, which is then condensed and cooled by the water-cooled condenser. The cooled refrigerant then flows through an expansion valve, where it expands and cools further, before entering the evaporator where it absorbs heat from the air or other medium being cooled.

Water-cooled screw chillers offer several advantages over air-cooled chillers, including higher efficiency and lower noise levels. This is because water has a higher heat capacity than air, allowing it to absorb more heat for a given temperature change. Additionally, water-cooled chillers are more versatile and can be used in a wider range of applications, including those where the temperature of the cooling medium needs to be closely controlled.

Overall, water-cooled screw style HVAC chillers are a reliable and efficient cooling solution for commercial and industrial applications. They offer high performance, precise temperature control, and low noise levels, making them a popular choice for large-scale cooling applications. However, their use requires a separate water-cooling system, which may add complexity and cost to the overall HVAC system.


The Water Cold Screw Style HVAC Chiller is a highly efficient and reliable cooling system that is commonly used in commercial and industrial settings. Some of the key product features of this chiller include:

Screw Compressor: The chiller uses a screw compressor that offers high efficiency and reliability, resulting in lower operating costs and longer service life.

Low Noise: The Water Cold Screw Style HVAC Chiller operates at a low noise level, making it ideal for use in noise-sensitive environments.

Energy Efficiency: The chiller is designed to be highly energy-efficient, with features such as variable speed compressors and fans that help to reduce energy consumption and operating costs.

Multiple Refrigerants: The chiller can operate with a range of refrigerants, including R-22, R-407c, and R-134a, providing flexibility and compatibility with different applications.

Integrated Control System: The chiller features an integrated control system that allows for precise temperature control and monitoring, ensuring maximum efficiency and performance.

Compact Design: The Water Cold Screw Style HVAC Chiller has a compact design, making it easy to install in tight spaces and reducing installation costs.

Easy Maintenance: The chiller is designed for easy maintenance, with features such as easily accessible components and removable panels, making servicing and cleaning quick and easy.

Wide Range of Applications: The Water Cold Screw Style HVAC Chiller is suitable for a wide range of applications, including commercial and industrial HVAC systems, process cooling, and more.

In conclusion, the Water Cold Screw Style HVAC Chiller is a highly efficient and reliable cooling system that offers excellent performance and flexibility. Its innovative design, energy efficiency, and easy maintenance make it an ideal choice for a wide range of commercial and industrial applications.


ModelQLK150SMCQLK170SMCQLK240SMCQLK290SMCQLK330SMCQLK380SMCQLK470SMCQLK580SMC
Cooling   capacity140KW183KW243KW267KW330KW361KW431KW541KW
(40RT)(52RT)(69RT)(76RT)(94RT)(103RT)(123RT)(154RT)
Input   Power29.6KW37.1KW49.5KW53.9KW64.6KW71.1KW86.3KW105.8KW
COP4.734.954.924.965.125.0955.12
ModelQLK710SMCQLK810SMCQLK920SMCQLK1030SMCQLK1160SMCQLK1410SMCQLK1610SMCQLK2060SMC
Cooling   capacity667KW777KW910KW1026KW1083KW1334KW1553KW2053KW
(233RT)(221RT)(258RT)(291RT)(308RT)(379RT)(442RT)(583RT)
Input   Power127.4KW146.8KW172.9KW194.4KW211.6KW255KW293.6KW389KW
COP5.245.295.275.285.125.235.295.28
Remarks: 1.   Evaporator: inlet water temperature at 12 ℃, outlet water temperature 7℃;
2. Condenser: inlet   water temperature at 30℃, outlet water temperature at 35℃;
3. The above   parameters are subject to change without notice, please refer to the   actual chillers.
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