WA-WSD Series Double Head Water-Cooled Screw Chillers Parameters   (750KW~1040KW)

WA-WSD Series Double Head Water-Cooled Screw Chillers Parameters (750KW~1040KW)
This series of chiller units incorporates advanced screw technology, integrating high efficiency, stability, and intelligence for medium to large-scale cooling applications. With exceptional engineering design and reliable core components, they deliver consistently efficient and stable performance under various operating conditions, making them an ideal solution for industrial process cooling and comfort air conditioning.
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This series of chiller units incorporates advanced screw technology, integrating high efficiency, stability, and intelligence for medium to large-scale cooling applications. With exceptional engineering design and reliable core components, they deliver consistently efficient and stable performance under various operating conditions, making them an ideal solution for industrial process cooling and comfort air conditioning.


Product Advantages:

● High Efficiency & Quiet Operation: Utilizes semi-hermetic twin-screw compressors for superior efficiency, smooth operation, and significantly reduced noise levels.

● Extended Service Life: High-quality bearings are selected for a design life exceeding 40,000 hours, ensuring long-term reliability.

● Compact Design with Effective Oil Separation: Features a built-in high-efficiency oil separator with a compact structure for optimal oil separation and system stability.

● Precise Modulation & Energy Savings: A multi-stage capacity control system enables smooth and precise load adjustment from 0% to 100%, significantly reducing energy consumption by accurately matching cooling demand.

● Superior Heat Exchange & Flexibility: The evaporator employs a high-efficiency shell and tube heat exchanger with internally enhanced fin tubes for optimized design and outstanding performance. A stainless steel plate heat exchanger is available as an option to suit diverse application requirements.

● Comprehensive Intelligent Control: Equipped with full automatic control functions including startup self-check, intelligent capacity regulation, sequential shutdown, multiple fault protection and diagnosis, operation data logging, status monitoring, and auto-restart, ensuring safe and efficient unit operation.

● User-Friendly Interface: Features a color LCD touch-screen controller with an intuitive interface for easy monitoring of real-time operating status and straightforward operation.

● System Compatibility: Designed to be used with a cooling tower for seamless integration into your cooling system.


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

(750KW~1040KW)

Items

WA-WSD750

WA-WSD830

WA-WSD990

WA-WSD1040

Rated cooling capacity

645000 Kcal/h

713800Kcal/h

851400 Kcal/h

894400 Kcal/h

750KW

830KW

990KW

1040KW

Input power

160KW

180KW

206KW

218KW

Max operating current

309A

348A

398A

421A

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

Control

External balance temperature thermal expansion valve

Compressor

Type

Semi-hermetic screw

Power

80x2 KW

90x2 KW

103x2 KW

109x2 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

120m3/h

143 m3/h

170 m3/h

179 m3/h

Water pressure drop

45Kpa

43Kpa

40Kpa

41Kpa

Inlet/outlet pipe diameter

6” inch

6” inch

6” inch

6” inch

Condenser

Type

Shell and tube

Cooling water

156m3/h

174 m3/h

206 m3/h

216 m3/h

Water pressure drop

45Kpa

45Kpa

48Kpa

45Kpa

Inlet/outlet pipe diameter

6” inch

6” inch

6” inch

6” inch

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

3800mm

3800mm

3800mm

3800mm

Width

1200mm

1200mm

1200mm

1200mm

Height

1500mm

1500mm

1500mm

1500mm

Machine weight

3450KG

3750KG

3950KG

4100KG

Operating weight

4160KG

4360KG

4760KG

4770KG


Notes:

1. Refrigeration Conditions: Chilled water inlet temperature 12°C, outlet temperature 7°C; Cooling water inlet temperature 30°C, outlet temperature 35°C. For parameters under other operating conditions, please refer to the attached table.

2. Control System: This series of units is controlled by an imported temperature controller and a programmable PLC (Programmable Logic Controller).

3. Power Supply: e.g., 380V/3PH/50Hz. Allowable voltage fluctuation: ±10%. Allowable phase voltage imbalance: ±2%.

4. Specification Update: The above specifications and dimensions are subject to change without prior notice.

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WA-WSD Series Double Head Water-Cooled Screw Chillers Parameters (750KW~1040KW)
更新时间:Jul 25, 2026
WA-WSD Series Double Head Water-Cooled Screw Chillers Parameters   (750KW~1040KW)
This series of chiller units incorporates advanced screw technology, integrating high efficiency, stability, and intelligence for medium to large-scale cooling applications. With exceptional engineering design and reliable core components, they deliver consistently efficient and stable performance under various operating conditions, making them an ideal solution for industrial process cooling and comfort air conditioning.


Product Advantages:

● High Efficiency & Quiet Operation: Utilizes semi-hermetic twin-screw compressors for superior efficiency, smooth operation, and significantly reduced noise levels.

● Extended Service Life: High-quality bearings are selected for a design life exceeding 40,000 hours, ensuring long-term reliability.

● Compact Design with Effective Oil Separation: Features a built-in high-efficiency oil separator with a compact structure for optimal oil separation and system stability.

● Precise Modulation & Energy Savings: A multi-stage capacity control system enables smooth and precise load adjustment from 0% to 100%, significantly reducing energy consumption by accurately matching cooling demand.

● Superior Heat Exchange & Flexibility: The evaporator employs a high-efficiency shell and tube heat exchanger with internally enhanced fin tubes for optimized design and outstanding performance. A stainless steel plate heat exchanger is available as an option to suit diverse application requirements.

● Comprehensive Intelligent Control: Equipped with full automatic control functions including startup self-check, intelligent capacity regulation, sequential shutdown, multiple fault protection and diagnosis, operation data logging, status monitoring, and auto-restart, ensuring safe and efficient unit operation.

● User-Friendly Interface: Features a color LCD touch-screen controller with an intuitive interface for easy monitoring of real-time operating status and straightforward operation.

● System Compatibility: Designed to be used with a cooling tower for seamless integration into your cooling system.


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

(750KW~1040KW)

Items

WA-WSD750

WA-WSD830

WA-WSD990

WA-WSD1040

Rated cooling capacity

645000 Kcal/h

713800Kcal/h

851400 Kcal/h

894400 Kcal/h

750KW

830KW

990KW

1040KW

Input power

160KW

180KW

206KW

218KW

Max operating current

309A

348A

398A

421A

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

Control

External balance temperature thermal expansion valve

Compressor

Type

Semi-hermetic screw

Power

80x2 KW

90x2 KW

103x2 KW

109x2 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

120m3/h

143 m3/h

170 m3/h

179 m3/h

Water pressure drop

45Kpa

43Kpa

40Kpa

41Kpa

Inlet/outlet pipe diameter

6” inch

6” inch

6” inch

6” inch

Condenser

Type

Shell and tube

Cooling water

156m3/h

174 m3/h

206 m3/h

216 m3/h

Water pressure drop

45Kpa

45Kpa

48Kpa

45Kpa

Inlet/outlet pipe diameter

6” inch

6” inch

6” inch

6” inch

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

3800mm

3800mm

3800mm

3800mm

Width

1200mm

1200mm

1200mm

1200mm

Height

1500mm

1500mm

1500mm

1500mm

Machine weight

3450KG

3750KG

3950KG

4100KG

Operating weight

4160KG

4360KG

4760KG

4770KG


Notes:

1. Refrigeration Conditions: Chilled water inlet temperature 12°C, outlet temperature 7°C; Cooling water inlet temperature 30°C, outlet temperature 35°C. For parameters under other operating conditions, please refer to the attached table.

2. Control System: This series of units is controlled by an imported temperature controller and a programmable PLC (Programmable Logic Controller).

3. Power Supply: e.g., 380V/3PH/50Hz. Allowable voltage fluctuation: ±10%. Allowable phase voltage imbalance: ±2%.

4. Specification Update: The above specifications and dimensions are subject to change without prior notice.

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