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Ningbo Hicon Industry Co., Ltd.
Ningbo Hicon Industry Co., Ltd.
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Free Cooling Air Cooled Screw Chiller
  • Free Cooling Air Cooled Screw ChillerFree Cooling Air Cooled Screw Chiller

Free Cooling Air Cooled Screw Chiller

Hisurp manufacturers Free Cooling Air Cooled Screw Chiller for military,which is a high-efficiency and energy-saving unit that combines mechanical refrigeration with the utilization of natural cold sources (free cooling). It can use outdoor air directly or indirectly to cool the system under low ambient temperature conditions, thereby significantly reducing compressor operating time and energy consumption.

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Application

Data Centers/Communication Rooms (Ideal and Most Common Application)

Data Centers/Communication Rooms (Ideal and Most Common Application):

24/7/365 cooling, high heat dissipation (high sensible heat load).
High requirements for temperature and humidity stability, but relatively lenient humidity requirements (primarily for equipment heat dissipation).
Electricity costs are one of the main operating costs; PUE (Power Usage Effectiveness) is a core indicator.

Large Electronics, Semiconductor, and Precision Manufacturing Workshops:

Production equipment generates a large amount of heat, requiring year-round cooling to maintain a constant temperature and humidity environment.
High precision in temperature control is required. And advanced Free Cooling Air Cooled Screw Chiller can meet it very well.

Large Electronics, Semiconductor, and Precision Manufacturing Workshops
Medical, Biopharmaceutical, and Laboratory Industries

Medical, Biopharmaceutical, and Laboratory Industries:

Laboratory equipment, animal facilities, etc., continuously dissipate heat, requiring a stable temperature and humidity environment year-round.
High reliability requirements. And advanced Free Cooling Air Cooled Screw Chiller can meet it very well.

Mines:

Cooling water systems required in various mines.

Mines
Process Cooling (e.g., Chemical, Food & Beverage)

Process Cooling (e.g., Chemical, Food & Beverage):

Certain industrial production processes (e.g., reactor cooling, fermentation processes, injection molding machine cooling) require a continuous supply of cooling water.

How does Free Cooling Air Cooled Screw Chiller work

In summer

Like a regular air conditioner, this Free Cooling Air Cooled Screw Chiller uses a cooling unit to compress and cool the refrigerant, while the natural cooling unit remains off.

  • The refrigerant dissipates heat through the fan in the condenser (air-side heat exchanger) and condenses into a liquid.
  • The refrigerant evaporates in the evaporator (water-side heat exchanger), absorbing heat from the chilled water to produce chilled water.

Characteristics: This is the most energy-intensive mode, but it is also the only effective cooling method in summer or hot weather.

In summer
Process Cooling (e.g., Chemical, Food & Beverage)

In spring & fall

At night, when the ambient temperature is two degrees or more lower than the chilled water return temperature, natural cooling is turned on to pre-cool the chilled water. During pre-cooling, natural cooling is used, and there is no compressor power consumption. If natural cooling is insufficient, conventional compression refrigeration will take over (which has compression power consumption).

In winter

At night, when the ambient temperature is 10 degrees Celsius or more lower than the chilled water return temperature, the chilled water is cooled completely by natural cooling, with no compressor power consumption and only a small amount of fan power consumption.

  • The system uses a special plate heat exchanger (or other form of free-cooling heat exchanger) to perform isolated heat exchange between the cold outdoor air and the indoor circulating water that needs cooling.
  • The cold outdoor air is blown across the heat exchanger by a fan, directly carrying away the heat from the circulating water, thus achieving cooling.
  • The entire process requires no compressor operation, consuming only a small amount of electricity from the fan and circulating water pump.

Features: This is the unit's biggest energy-saving highlight, with extremely low energy consumption.

Mines

Detailed Pics

Hisurp Free Cooling Air Cooled Screw Chillers are designed and manufactured in strict accordance with the national standard GB/T18430.1, based on the latest technological advancements in the central air conditioning field.

Free Cooling Air Cooled Screw ChillerFree Cooling Air Cooled Screw ChillerFree Cooling Air Cooled Screw Chiller
Hot Tags: free cooling air cooled screw chiller
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