WA-AS Series Single Head Air Cooled Screw Chiller Parameters (191KW~285KW)

WA-AS Series Single Head Air Cooled Screw Chiller Parameters (191KW~285KW)
This unit integrates high efficiency, stable operation, and intelligent control, offering the following core benefits:
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Product Advantages

This unit integrates high efficiency, stable operation, and intelligent control, offering the following core benefits:


1. Highly Efficient and Stable Compression Core
Equipped with a semi-hermetic twin-screw compressor, it delivers high operational efficiency, minimal vibration, and low noise levels, ensuring long-term, smooth, and reliable performance.

2. Durable and Reliable Mechanical Components
Key bearings are designed for a service life of at least 40,000 hours, providing a solid foundation for continuous and efficient operation.

3. Compact and Efficient Oil Separation System
Features a built-in high-efficiency oil separator with a compact design and exceptional separation performance, effectively ensuring oil return and system stability.

4. Precise and Flexible Capacity Control
Capable of multi-stage or stepless capacity regulation from 0% to 100%, it accurately matches cooling load demands, significantly reducing energy consumption.

5. Superior Heat Exchange Performance
Comes standard with a high-efficiency shell-and-tube evaporator (stainless steel plate heat exchanger optional). The enhanced internal finned tubes are optimally designed for excellent heat transfer.

6. Comprehensive Intelligent Control Functions
The control system integrates multiple programs for startup, capacity adjustment, shutdown, fault diagnosis and protection, operation statistics, and status display, offering a high level of automation and ease of management.

7. User-Friendly Human-Machine Interface
Fitted with an LCD touch-screen controller that displays real-time operating status and parameters, ensuring straightforward and convenient monitoring and operation.

8. Simplified Installation and Cost Savings
Utilizing air-cooled condensing, it eliminates the need for a cooling tower and associated water pumps and piping. This saves installation space, reduces initial investment, and simplifies maintenance.


WA-AS Series Single Head Air Cooled Screw Chiller Parameters (191KW~285KW)

Items

WA-AS191

WA-AS210

WA-AS247

WA-AS285

Rated cooling capacity

164260 Kcal/h

180600Kcal/h

212420 Kcal/h

245100 Kcal/h

191KW

210KW

247KW

285KW

Input power

73.6KW

79.6KW

88.2KW

101.1KW

Max operating current

142A

154A

171A

196A

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

49Kg

56Kg

63Kg

70Kg

Compressor

Control

External balance temperature thermal expansion valve

Type

Semi-hermetic screw

Power

67KW

73KW

82KW

95KW

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

32.8m3/h

36.1 m3/h

42.5 m3/h

49 m3/h

Water pressure drop

42Kpa

42Kpa

45Kpa

43Kpa

Inlet/outlet pipe diameter

4” inch

4” inch

4” inch

4” inch

Condenser

Type

Efficient air-cooled aluminum thread brass sleeve

Fan

Type

Low wind noise external rotor fan or aluminum axial fan

Power

1.1x6 Kw

1.1x6 Kw

0.78x8 Kw

0.78x8 Kw

Airflow

70000 m3/h

80000 m3/h

90000 m3/h

100000 m3/h

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

2800mm

2800mm

4600mm

4600mm

Width

2000mm

2000mm

2020mm

2020mm

Height

2350mm

2350mm

2300mm

2300mm

Machine weight

2200KG

2350KG

2550KG

2800KG

Operating weight

2530KG

2700KG

2950KG

3250KG


Notes:

1.The rated cooling capacity is determined based on the following conditions: chilled water inlet temperature of 12°C and outlet temperature of 7°C; cooling air inlet temperature of 30°C and outlet temperature of 35°C.

2. Operating Range:

● Chilled Water Temperature Range: 5°C to 30°C.

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

● Optimal Ambient Air Temperature Range: 15°C to 30°C.

● Operation is recommended at ambient temperatures below 38°C. Cooling Air Temperature Difference (Inlet/Outlet): 8°C to 10°C.

3. Units can be customized and produced according to customer requirements.

4. All specifications and dimensions provided above are subject to change without prior notice.

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WA-AS Series Single Head Air Cooled Screw Chiller Parameters (191KW~285KW)
更新时间:Jul 25, 2026
WA-AS Series Single Head Air Cooled Screw Chiller Parameters (191KW~285KW)

Product Advantages

This unit integrates high efficiency, stable operation, and intelligent control, offering the following core benefits:


1. Highly Efficient and Stable Compression Core
Equipped with a semi-hermetic twin-screw compressor, it delivers high operational efficiency, minimal vibration, and low noise levels, ensuring long-term, smooth, and reliable performance.

2. Durable and Reliable Mechanical Components
Key bearings are designed for a service life of at least 40,000 hours, providing a solid foundation for continuous and efficient operation.

3. Compact and Efficient Oil Separation System
Features a built-in high-efficiency oil separator with a compact design and exceptional separation performance, effectively ensuring oil return and system stability.

4. Precise and Flexible Capacity Control
Capable of multi-stage or stepless capacity regulation from 0% to 100%, it accurately matches cooling load demands, significantly reducing energy consumption.

5. Superior Heat Exchange Performance
Comes standard with a high-efficiency shell-and-tube evaporator (stainless steel plate heat exchanger optional). The enhanced internal finned tubes are optimally designed for excellent heat transfer.

6. Comprehensive Intelligent Control Functions
The control system integrates multiple programs for startup, capacity adjustment, shutdown, fault diagnosis and protection, operation statistics, and status display, offering a high level of automation and ease of management.

7. User-Friendly Human-Machine Interface
Fitted with an LCD touch-screen controller that displays real-time operating status and parameters, ensuring straightforward and convenient monitoring and operation.

8. Simplified Installation and Cost Savings
Utilizing air-cooled condensing, it eliminates the need for a cooling tower and associated water pumps and piping. This saves installation space, reduces initial investment, and simplifies maintenance.


WA-AS Series Single Head Air Cooled Screw Chiller Parameters (191KW~285KW)

Items

WA-AS191

WA-AS210

WA-AS247

WA-AS285

Rated cooling capacity

164260 Kcal/h

180600Kcal/h

212420 Kcal/h

245100 Kcal/h

191KW

210KW

247KW

285KW

Input power

73.6KW

79.6KW

88.2KW

101.1KW

Max operating current

142A

154A

171A

196A

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

49Kg

56Kg

63Kg

70Kg

Compressor

Control

External balance temperature thermal expansion valve

Type

Semi-hermetic screw

Power

67KW

73KW

82KW

95KW

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

32.8m3/h

36.1 m3/h

42.5 m3/h

49 m3/h

Water pressure drop

42Kpa

42Kpa

45Kpa

43Kpa

Inlet/outlet pipe diameter

4” inch

4” inch

4” inch

4” inch

Condenser

Type

Efficient air-cooled aluminum thread brass sleeve

Fan

Type

Low wind noise external rotor fan or aluminum axial fan

Power

1.1x6 Kw

1.1x6 Kw

0.78x8 Kw

0.78x8 Kw

Airflow

70000 m3/h

80000 m3/h

90000 m3/h

100000 m3/h

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

2800mm

2800mm

4600mm

4600mm

Width

2000mm

2000mm

2020mm

2020mm

Height

2350mm

2350mm

2300mm

2300mm

Machine weight

2200KG

2350KG

2550KG

2800KG

Operating weight

2530KG

2700KG

2950KG

3250KG


Notes:

1.The rated cooling capacity is determined based on the following conditions: chilled water inlet temperature of 12°C and outlet temperature of 7°C; cooling air inlet temperature of 30°C and outlet temperature of 35°C.

2. Operating Range:

● Chilled Water Temperature Range: 5°C to 30°C.

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

● Optimal Ambient Air Temperature Range: 15°C to 30°C.

● Operation is recommended at ambient temperatures below 38°C. Cooling Air Temperature Difference (Inlet/Outlet): 8°C to 10°C.

3. Units can be customized and produced according to customer requirements.

4. All specifications and dimensions provided above are subject to change without prior notice.

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