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Air-Cooled screw chiller Unit
  • Air-Cooled screw chiller UnitAir-Cooled screw chiller Unit

Air-Cooled screw chiller Unit

The Air-Cooled Screw Chiller Units for industrial, commercial, and process cooling applications where independent operation and flexible installation are required. Using screw compressor technology and air-cooled condenser design, the unit eliminates cooling towers and condenser water systems, reducing installation requirements while providing stable cooling performance for factories, cold chain facilities, logistics centers, and large commercial buildings.

Lynxcool Air-Cooled Screw Chiller Unit is designed for customers who need reliable refrigeration without depending on water resources. The system uses a large-area finned air condenser to transfer heat directly to ambient air, making it suitable for regions with limited water supply, rooftop installations, remote industrial sites, and projects where water-cooled infrastructure is difficult to establish.

Compared with traditional water-cooled chillers, the air-cooled screw design reduces the need for cooling towers, pumps, water treatment equipment, and additional piping systems. This simplifies installation, reduces maintenance requirements, and helps customers shorten project preparation time.

As an integrated refrigeration manufacturer, Qingdao Lynxcool Refrigeration Tech Co., Ltd. provides complete support from refrigeration system design and equipment manufacturing to installation guidance, commissioning, and after-sales service. The Air-Cooled Screw Chiller Unit can be customized according to cooling capacity, operating temperature, installation environment, and industrial process requirements.

Lynxcool Air-Cooled Screw Chiller Unit for industrial refrigeration applications


How Air-Cooled Screw Chiller Unit Works

The Air-Cooled Screw Chiller Unit operates through a refrigeration cycle driven by a screw compressor. The compressor compresses low-pressure refrigerant vapor into high-pressure gas, which then enters the air-cooled condenser. Heat is released through finned condenser coils with the assistance of axial fans, allowing the refrigerant to return to a liquid state.

After passing through the expansion device, the refrigerant enters the evaporator where it absorbs heat from the chilled water system. The cooled water is then circulated to air handling equipment or industrial processes to provide continuous cooling.

Because the condenser relies on ambient air instead of cooling water, the system avoids water consumption and is easier to deploy in areas where water resources, installation space, or maintenance conditions are limited.

Engineering Advantages for Industrial Cooling

No Cooling Water System Required

The air-cooled condenser removes the need for cooling towers, condenser pumps, and water treatment systems. This makes the unit suitable for dry regions, outdoor installations, temporary projects, and industrial sites where reducing infrastructure complexity is important.

The water-free design also avoids issues related to water quality management, scaling, corrosion, and seasonal maintenance of cooling water systems.

Screw Compressor Designed for Continuous Operation

The screw compressor provides higher capacity and smoother operation compared with many small-capacity compressor solutions. The system supports variable load conditions through capacity adjustment, allowing the refrigeration output to match actual cooling demand.

This configuration is suitable for medium and large cooling systems requiring long operating hours, including manufacturing plants, cold storage facilities, and industrial process applications.

Flexible Installation for Different Project Conditions

Without cooling towers and external water pipelines, the unit offers greater installation flexibility. It can be installed on rooftops, open areas, production sites, or locations where traditional water-cooled systems are difficult to apply.

The compact integrated structure simplifies transportation and commissioning, helping engineering teams reduce installation coordination work and project complexity.

Reliable Operation with Integrated Protection

Lynxcool Air-Cooled Screw Chiller Unit integrates intelligent control functions for operating monitoring, safety protection, and system adjustment. The control system manages compressor operation, refrigeration parameters, and protection functions to support stable performance during long-term operation.

Technical parameters of Semi-Hermetic screw chiller

Unit Model

CW1L    WDGPAWAA

0040

0050

0060

0070

0080

0095

 0105

0115

0145

0160

0190

0205

0215

0245

Cooling capacity

KW

42.3

53.9

61.5

73.4

84.5

99.6

 109.1

115.0

147.8

162.9

193.3

205.1

217.0

249.4

kCal/h

36378

46354

52890

63124

72670

85656

 93826

98900

127108

140094

166238

176386

186620

214484

compressor

Quantity

tower

1

1

1

1

1

1

1

1

1

1

1

1

1

1

Input Power

kW

28.3

33.7

373

45.4

522

61.3

66.9

70.9

90.3

982

114.5

118.1

123.7

141.7

Adjustable

Fully loaded-75-50%,min

Starting method

Y/△

Refrigerant

R507A

Evaporator

Type

Shell and tube dry evaporator

Inlet and outlet water temperature

-20/-25

Water flow rate

m³/h

8.7

11.1

12.6

15.1

174

20.5

224

23.6

303

334

39.7

42.1

44.6

51.2

Inlet and outlet water pipes

mm

45

57

57

76

76

76

76

76

89

89

89

108

108

108

Water pressure drop

kPa

s70

Condenser

Type

Shell and tube condenser

Inlet and outlet water temperature

30/35

Water flow rate

m³/h

12.0

15.2

17.1

20.6

23.7

27.9

30.5

32.2

412

48.0

53.3

560

59.0

67.7

Inlet and outlet water pipes

mm

57

76

76

76

76

89

89

89

108

108

108

108

108

133

Water pressure drop

kPa

≤70

External dimensions

Length

mm

2800

2800

2800

2800

2800

2800

2800

2800

2800

3400

3400

3400

3400

3400

Width

mm

1100

1100

1100

1200

1200

1300

1300

1300

1500

1500

1500

1600

1600

1600

Height

mm

1500

1500

1500

1600

1600

1700

1700

1700

1800

1800

1800

1900

1900

1900

Unit weight

Net Weight

kg

1500

1500

1500

2000

2000

2500

2500

2500

3000

3000

3000

3500

3500

3500

Operating Weight

kg

1800

1800

1800

2400

2400

3000

3000

3000

3600

3600

3600

4200

4200

4200

Note: 1. Power supply: 3P/380V/50Hz, voltage fluctuation range ±10%;

2. The unit inlet and outlet use water flange connections. Please specify other connection methods when ordering;

3. Due to technical improvements, the unit's parameters, dimensions, and weight may vary. The actual design shall prevail;

4. The above models are standard models only. Custom designs can be made according to user requirements.

Applications

Air-Cooled Screw Chiller Units are widely used in industries requiring stable cooling capacity and independent installation capability.

For cold chain and logistics projects, the unit supports warehouse cooling, distribution centers, and temperature-controlled storage systems where reliable operation is required.

In food processing and agricultural applications, it provides cooling for production lines, processing areas, aquaculture systems, and controlled cultivation environments.

For pharmaceutical and laboratory facilities, the unit provides stable chilled water supply for temperature-sensitive environments and specialized cooling processes.

Industrial manufacturing plants, including chemical processing, equipment cooling, and large HVAC systems, can benefit from the high-capacity screw compressor design and flexible installation method.

System Configuration and Technical Design

The Lynxcool Air-Cooled Screw Chiller Unit is designed as an integrated refrigeration system combining screw compressors, air-cooled condensers, evaporators, control systems, and protective components. The complete package design reduces installation complexity and improves system coordination compared with separate refrigeration components supplied individually.

The air-cooled condenser uses large-area fin coils and optimized airflow design to improve heat rejection efficiency. The condenser structure is suitable for outdoor environments and can maintain stable operation under different climate conditions when properly selected according to project requirements.

The screw compressor configuration provides higher cooling capacity and efficient load adjustment for medium and large refrigeration systems. Multiple protection functions, including pressure monitoring, compressor protection, and intelligent control management, help maintain safe and reliable operation.

Project Installation and Service Support

Lynxcool provides more than refrigeration equipment manufacturing. Based on years of experience in refrigeration engineering, the company supports customers throughout the project lifecycle, including cooling system design, equipment selection, installation coordination, commissioning, and maintenance service.

Before manufacturing, Lynxcool engineers evaluate application requirements, cooling load, operating temperature, installation environment, and energy targets. After delivery, technical support is provided to help customers achieve stable operation and reduce potential risks during system startup.

With experience in cold storage, food processing, pharmaceutical refrigeration, logistics centers, and industrial cooling projects, Lynxcool provides practical refrigeration solutions for customers worldwide.

Frequently Asked Questions

Q1: What is the main advantage of an Air-Cooled Screw Chiller Unit?

The main advantage is that it does not require cooling towers or condenser water systems. This reduces installation requirements and makes the unit suitable for locations with limited water resources or difficult water system installation conditions.

Q2: Can this chiller be installed outdoors?

Yes. The unit is designed with an air-cooled condenser and can be installed in suitable outdoor locations such as rooftops, industrial yards, and equipment areas according to project conditions.

Q3: Why choose a screw compressor instead of scroll or reciprocating compressors?

Screw compressors are suitable for medium and large cooling applications because they provide higher capacity, stable operation, and better adaptability under continuous industrial loads.

Q4: Does the unit require cooling water maintenance?

No. Since the condenser uses ambient air for heat rejection, there is no cooling tower, condenser water treatment, or water circulation maintenance requirement.

Q5: What industries can use this air-cooled screw chiller?

The unit is suitable for cold chain logistics, food processing, pharmaceutical facilities, industrial manufacturing, commercial HVAC systems, and other applications requiring reliable chilled water supply.

Q6: Can Lynxcool customize the refrigeration system?

Yes. Lynxcool can provide customized solutions according to cooling capacity, temperature requirements, refrigerant selection, installation conditions, and specific project applications.

Q7: Does Lynxcool provide installation support?

Yes. Lynxcool provides technical assistance including refrigeration system design, equipment manufacturing, installation guidance, commissioning support, and after-sales service.

Why Work with Lynxcool

Qingdao Lynxcool Refrigeration Tech Co., Ltd. combines refrigeration equipment manufacturing with engineering service capability to provide complete cooling solutions for global customers.

From initial refrigeration design and equipment selection to manufacturing, installation support, and lifecycle service, Lynxcool helps customers build reliable refrigeration systems with stable operation and controlled project risks.

With professional engineers, experienced technicians, and practical project experience across cold chain, food processing, pharmaceutical, and industrial applications, Lynxcool continues to provide dependable Air-Cooled Screw Chiller Units for customers worldwide.

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