WA-WSD Series Double Head Water-Cooled Screw Low-Temperature Chillers Parameters (272KW~444KW)

WA-WSD Series Double Head Water-Cooled Screw Low-Temperature Chillers Parameters (272KW~444KW)
Designed specifically for industrial deep-cooling processes, these chillers deliver stable and reliable below-freezing chilled water solutions, meeting the demands of high-standard process cooling and cold chain applications.
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Designed specifically for industrial deep-cooling processes, these chillers deliver stable and reliable below-freezing chilled water solutions, meeting the demands of high-standard process cooling and cold chain applications.


Product Advantages

● Broad Temperature Range & Extensive Coverage
Chilled water outlet temperature ranges from as low as -45℃ up to 10℃. A complete model lineup with a wide capacity spectrum meets diverse low-temperature application needs precisely.

● Modular Design for Cost Optimization
The modular design concept not only reduces initial investment but also facilitates easier maintenance, significantly enhancing life-cycle cost-effectiveness.

● Intelligent Control & Seamless Connectivity
Features a smart microprocessor-based touch-screen control system with a user-friendly interface for easy operation, providing comprehensive operational data and diagnostic information. Easily integrates with building management systems for remote monitoring and intelligent management.

● High Efficiency & Certified Reliability
Utilizes high-performance screw compressors paired with efficient condensers and evaporators at its core. All units undergo rigorous testing by national inspection systems, complying with Chinese GB standards and CE certification, ensuring both energy efficiency and quality.

● Comprehensive Protection for Safe Operation
Equipped with multiple safety protection devices to ensure all-around operational safety, stability, and peace of mind for users.

● Compact Structure & Elegant Appearance
Scientifically designed with a compact layout and a modern, aesthetically pleasing exterior that integrates easily into various installation environments.

● Durability, Stability & Quiet Operation
Offers stable and reliable performance with low operational noise. Key components are made from high-quality materials, ensuring long service life.

● System Compatibility & Flexible Application
Designed to be used with a cooling tower and compatible with antifreeze fluids, ensuring safe and stable system operation in low-temperature environments.


WA-WSD Series Double Head Water-Cooled Screw Low-Temperature Chillers Parameters

(272KW~444KW)

Items

WA-

WSD272-LT

WA-

WSD322-LT

WA-

WSD372-LT

WA-

WSD444-LT

Rated cooling capacity

(-10℃)

272KW

322KW

372KW

444KW

Rated cooling capacity

(-20℃)

184KW

216KW

250KW

298KW

Rated cooling capacity

(-30℃)

132KW

156KW

180KW

214KW

Input power

112KW

132KW

146KW

172KW

Max operating current

342A

386A

440A

536A

Power

3PH 380V 50HZ (200V /220V/ 415V 50HZ/60HZ)

Refrigerant

Type

R22 /R134A/

R407C/R404A

R22 /R134A/

R407C/R404A

R22 /R134A/

R407C/R404A

R22 /R134A/

R407C/R404A

Charge amount

58x2 Kg

65x2 Kg

72x2 Kg

86x2 Kg

Control

External balance temperature thermal expansion valve

Compressor

Type

Semi-Hermetic Screw

Power

56x2 KW

63x2 KW

73x2 KW

88x2 KW

Start

Y-△

Y-△

Y-△

Y-△

Regulation range

0-25-50-75-100%

0-25-50-75-100%

0-25-50-75-100%

0-25-50-75-100%

Evaporator

Type

Dry-type shell and tube (stainless steel plate evaporator)

Chilled water flow (-10℃)

46.8 m3/h

55.4 m3/h

64 m3/h

76.4 m3/h

Chilled water flow (-20℃)

31.6 m3/h

37.2 m3/h

43 m3/h

51.2 m3/h

Chilled water flow (-30℃)

22.6 m3/h

26.8 m3/h

31 m3/h

36.8 m3/h

Water pressure drop

46Kpa

43Kpa

45Kpa

45Kpa

Inlet/outlet pipe diameter

6” inch

6” inch

8” inch

8” inch

Condenser

Condenser type

Shell and tube

Cooling water

95m3/h

120 m3/h

130 m3/h

154 m3/h

Water pressure drop

42Kpa

45Kpa

48Kpa

46Kpa

Inlet/outlet pipe diameter

4” inch x2

4” inch x2

5” inch x2

5” inch x2

Protection

Security protection

Compressor motor overloading protection, compressor bearing overload protection device, intelligent digital high and low pressure protection device, anti - freezing protection device, protection phase - lack digital protection, exhaust temperature protection, over - temperature protection device, safety valve, water flow switch

Dimension & weight

Length

3150mm

3480mm

3480mm

3650mm

Width

850mm

875mm

895mm

1120mm

Height

1750mm

1850mm

1850mm

1950mm

Machine weight

2750KG

2900KG

3550KG

4050KG

Operating weight

3300KG

3480KG

4260KG

4860KG


Notes:

1.Operating Range:

● Chilled Water Temperature Difference (Inlet/Outlet): 3°C to 8°C.

● Cooling Water Temperature Range: 18°C to 30°C.

● Cooling Water Temperature Difference (Inlet/Outlet): 3.5°C to 10°C.

2. Units can be customized according to customer requirements.

3. All specifications and dimensions are subject to change without prior notice.

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WA-WSD Series Double Head Water-Cooled Screw Low-Temperature Chillers Parameters (272KW~444KW)
更新时间:Jul 25, 2026
WA-WSD Series Double Head Water-Cooled Screw Low-Temperature Chillers Parameters (272KW~444KW)

Designed specifically for industrial deep-cooling processes, these chillers deliver stable and reliable below-freezing chilled water solutions, meeting the demands of high-standard process cooling and cold chain applications.


Product Advantages

● Broad Temperature Range & Extensive Coverage
Chilled water outlet temperature ranges from as low as -45℃ up to 10℃. A complete model lineup with a wide capacity spectrum meets diverse low-temperature application needs precisely.

● Modular Design for Cost Optimization
The modular design concept not only reduces initial investment but also facilitates easier maintenance, significantly enhancing life-cycle cost-effectiveness.

● Intelligent Control & Seamless Connectivity
Features a smart microprocessor-based touch-screen control system with a user-friendly interface for easy operation, providing comprehensive operational data and diagnostic information. Easily integrates with building management systems for remote monitoring and intelligent management.

● High Efficiency & Certified Reliability
Utilizes high-performance screw compressors paired with efficient condensers and evaporators at its core. All units undergo rigorous testing by national inspection systems, complying with Chinese GB standards and CE certification, ensuring both energy efficiency and quality.

● Comprehensive Protection for Safe Operation
Equipped with multiple safety protection devices to ensure all-around operational safety, stability, and peace of mind for users.

● Compact Structure & Elegant Appearance
Scientifically designed with a compact layout and a modern, aesthetically pleasing exterior that integrates easily into various installation environments.

● Durability, Stability & Quiet Operation
Offers stable and reliable performance with low operational noise. Key components are made from high-quality materials, ensuring long service life.

● System Compatibility & Flexible Application
Designed to be used with a cooling tower and compatible with antifreeze fluids, ensuring safe and stable system operation in low-temperature environments.


WA-WSD Series Double Head Water-Cooled Screw Low-Temperature Chillers Parameters

(272KW~444KW)

Items

WA-

WSD272-LT

WA-

WSD322-LT

WA-

WSD372-LT

WA-

WSD444-LT

Rated cooling capacity

(-10℃)

272KW

322KW

372KW

444KW

Rated cooling capacity

(-20℃)

184KW

216KW

250KW

298KW

Rated cooling capacity

(-30℃)

132KW

156KW

180KW

214KW

Input power

112KW

132KW

146KW

172KW

Max operating current

342A

386A

440A

536A

Power

3PH 380V 50HZ (200V /220V/ 415V 50HZ/60HZ)

Refrigerant

Type

R22 /R134A/

R407C/R404A

R22 /R134A/

R407C/R404A

R22 /R134A/

R407C/R404A

R22 /R134A/

R407C/R404A

Charge amount

58x2 Kg

65x2 Kg

72x2 Kg

86x2 Kg

Control

External balance temperature thermal expansion valve

Compressor

Type

Semi-Hermetic Screw

Power

56x2 KW

63x2 KW

73x2 KW

88x2 KW

Start

Y-△

Y-△

Y-△

Y-△

Regulation range

0-25-50-75-100%

0-25-50-75-100%

0-25-50-75-100%

0-25-50-75-100%

Evaporator

Type

Dry-type shell and tube (stainless steel plate evaporator)

Chilled water flow (-10℃)

46.8 m3/h

55.4 m3/h

64 m3/h

76.4 m3/h

Chilled water flow (-20℃)

31.6 m3/h

37.2 m3/h

43 m3/h

51.2 m3/h

Chilled water flow (-30℃)

22.6 m3/h

26.8 m3/h

31 m3/h

36.8 m3/h

Water pressure drop

46Kpa

43Kpa

45Kpa

45Kpa

Inlet/outlet pipe diameter

6” inch

6” inch

8” inch

8” inch

Condenser

Condenser type

Shell and tube

Cooling water

95m3/h

120 m3/h

130 m3/h

154 m3/h

Water pressure drop

42Kpa

45Kpa

48Kpa

46Kpa

Inlet/outlet pipe diameter

4” inch x2

4” inch x2

5” inch x2

5” inch x2

Protection

Security protection

Compressor motor overloading protection, compressor bearing overload protection device, intelligent digital high and low pressure protection device, anti - freezing protection device, protection phase - lack digital protection, exhaust temperature protection, over - temperature protection device, safety valve, water flow switch

Dimension & weight

Length

3150mm

3480mm

3480mm

3650mm

Width

850mm

875mm

895mm

1120mm

Height

1750mm

1850mm

1850mm

1950mm

Machine weight

2750KG

2900KG

3550KG

4050KG

Operating weight

3300KG

3480KG

4260KG

4860KG


Notes:

1.Operating Range:

● Chilled Water Temperature Difference (Inlet/Outlet): 3°C to 8°C.

● Cooling Water Temperature Range: 18°C to 30°C.

● Cooling Water Temperature Difference (Inlet/Outlet): 3.5°C to 10°C.

2. Units can be customized according to customer requirements.

3. All specifications and dimensions are subject to change without prior notice.

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