WA-ASD Double Head Air-Cooled Low-Temperature Screw Chiller Parameters (246KW~478KW)

WA-ASD Double Head Air-Cooled Low-Temperature Screw Chiller Parameters (246KW~478KW)
A comprehensive range of models supplies chilled water from -45℃ to 10℃, meeting diverse and demanding requirements for cooling capacity and process temperature.
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Product Advantages

1. Complete Series, Wide Temperature Range:

A comprehensive range of models supplies chilled water from -45℃ to 10℃, meeting diverse and demanding requirements for cooling capacity and process temperature.

2. Low Initial Investment, Easy Maintenance

The modular design reduces not only the initial capital outlay but also long-term maintenance and servicing costs.

3. Intelligent Control, Centralized Management:

Features a smart microprocessor-based touch-screen control system for intuitive operation and comprehensive service/diagnostic information. It can be easily integrated into building management systems (BMS) for complete operational monitoring.

4. High Efficiency, Full Certification:

The screw compressor is optimally matched with high-quality condensers and evaporators. All products pass national testing and comply with both Chinese GB standards and the EU CE certification, guaranteeing reliable performance.

5. Multiple Protections, Safe Operation:

Equipped with comprehensive safety protection devices to ensure the security of both the equipment and its operation.

6. Excellent Design, Aesthetic Appearance:

The unit boasts a rational structural design with a compact and aesthetically pleasing exterior.

7. Stable Performance, Long Service Life:

Incorporates multiple protective devices for stable operation, low noise levels, and extended durability.

8. Simplified System, Easy Installation:

Utilizing air-cooled condensation eliminates the need for cooling towers and associated auxiliary equipment, saving space and installation costs.


WA-ASD Double Head Air-Cooled Low-Temperature Screw Chiller Parameters (246KW~478KW)

Items

WA-

ASD246-LT

WA-

ASD292-LT

WA-

ASD336-LT

WA-

ASD402-LT

WA-

ASD478-LT

Rated cooling capacity

(-10℃)

246KW

292KW

336KW

402KW

478KW

Rated cooling capacity

(-20℃)

164KW

194KW

224KW

266KW

318KW

Rated cooling capacity

(-30℃)

122KW

144KW

166KW

200KW

236KW

Input power

158KW

178.4KW

203KW

249KW

285KW

Max operating current

274A

308A

358A

428A

500A

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

R22 /R134A/

R407C/R404A

Charge amount

124Kg

140Kg

154Kg

186Kg

218Kg

Control

External balance temperature thermal expansion valve

Compressor

Type

Semi-hermetic screw

Power

73x2 KW

82x2 KW

95x2 KW

115x2 KW

133x2 KW

Start

Y-△

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%

0-25-50-75-100%

Evaporator

Type

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

Chilled water flow (-10℃)

42.3 m3/h

50.2 m3/h

57.8 m3/h

69.1 m3/h

82.2 m3/h

Chilled water flow (-20℃)

28.2 m3/h

33.4 m3/h

38.5 m3/h

45.7 m3/h

54.7 m3/h

Chilled water flow (-30℃)

21 m3/h

24.8 m3/h

28.5 m3/h

34.4 m3/h

40.6 m3/h

Evaporator water resistance

42Kpa

45Kpa

42Kpa

46Kpa

48Kpa

Evaporator diameter

5” inch

6” inch

6” inch

8” inch

8” inch

Condenser

Type

Efficient air-cooled aluminum thread brass sleeve

Fan

Type

Low wind noise external rotor fan or aluminum axial fan

Power

1.1x12 Kw

1.1x12 Kw

1.1x16 Kw

1.1x16 Kw

1.1x20 Kw

Airflow

165000 m3/h

180000 m3/h

205000 m3/h

242000 m3/h

285000 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

5800mm

5800mm

7800mm

8000mm

9800mm

Width

1900mm

2200mm

2000mm

2200mm

2200mm

Height

2200mm

2300mm

2250mm

2300mm

2350mm

Machine weight

4200KG

4450KG

4850KG

5300KG

5550KG

Operating weight

4850KG

5230KG

5500KG

5850KG

6250KG


Notes:

1. Cooling air inlet temperature 30°C, outlet temperature 40°C; Chilled water temperature difference: 3°C to 8°C.

2. Recommended for use where cooling temperatures are below 35°C;

3. Cooling air temperature difference: 8°C to 10°C.

4. Units can be customized to meet specific customer requirements.

5. We reserve the right to modify the above specifications and dimensions without prior notice.

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WA-ASD Double Head Air-Cooled Low-Temperature Screw Chiller Parameters (246KW~478KW)
更新时间:Jul 25, 2026
WA-ASD Double Head Air-Cooled Low-Temperature Screw Chiller Parameters (246KW~478KW)

Product Advantages

1. Complete Series, Wide Temperature Range:

A comprehensive range of models supplies chilled water from -45℃ to 10℃, meeting diverse and demanding requirements for cooling capacity and process temperature.

2. Low Initial Investment, Easy Maintenance

The modular design reduces not only the initial capital outlay but also long-term maintenance and servicing costs.

3. Intelligent Control, Centralized Management:

Features a smart microprocessor-based touch-screen control system for intuitive operation and comprehensive service/diagnostic information. It can be easily integrated into building management systems (BMS) for complete operational monitoring.

4. High Efficiency, Full Certification:

The screw compressor is optimally matched with high-quality condensers and evaporators. All products pass national testing and comply with both Chinese GB standards and the EU CE certification, guaranteeing reliable performance.

5. Multiple Protections, Safe Operation:

Equipped with comprehensive safety protection devices to ensure the security of both the equipment and its operation.

6. Excellent Design, Aesthetic Appearance:

The unit boasts a rational structural design with a compact and aesthetically pleasing exterior.

7. Stable Performance, Long Service Life:

Incorporates multiple protective devices for stable operation, low noise levels, and extended durability.

8. Simplified System, Easy Installation:

Utilizing air-cooled condensation eliminates the need for cooling towers and associated auxiliary equipment, saving space and installation costs.


WA-ASD Double Head Air-Cooled Low-Temperature Screw Chiller Parameters (246KW~478KW)

Items

WA-

ASD246-LT

WA-

ASD292-LT

WA-

ASD336-LT

WA-

ASD402-LT

WA-

ASD478-LT

Rated cooling capacity

(-10℃)

246KW

292KW

336KW

402KW

478KW

Rated cooling capacity

(-20℃)

164KW

194KW

224KW

266KW

318KW

Rated cooling capacity

(-30℃)

122KW

144KW

166KW

200KW

236KW

Input power

158KW

178.4KW

203KW

249KW

285KW

Max operating current

274A

308A

358A

428A

500A

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

R22 /R134A/

R407C/R404A

Charge amount

124Kg

140Kg

154Kg

186Kg

218Kg

Control

External balance temperature thermal expansion valve

Compressor

Type

Semi-hermetic screw

Power

73x2 KW

82x2 KW

95x2 KW

115x2 KW

133x2 KW

Start

Y-△

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%

0-25-50-75-100%

Evaporator

Type

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

Chilled water flow (-10℃)

42.3 m3/h

50.2 m3/h

57.8 m3/h

69.1 m3/h

82.2 m3/h

Chilled water flow (-20℃)

28.2 m3/h

33.4 m3/h

38.5 m3/h

45.7 m3/h

54.7 m3/h

Chilled water flow (-30℃)

21 m3/h

24.8 m3/h

28.5 m3/h

34.4 m3/h

40.6 m3/h

Evaporator water resistance

42Kpa

45Kpa

42Kpa

46Kpa

48Kpa

Evaporator diameter

5” inch

6” inch

6” inch

8” inch

8” inch

Condenser

Type

Efficient air-cooled aluminum thread brass sleeve

Fan

Type

Low wind noise external rotor fan or aluminum axial fan

Power

1.1x12 Kw

1.1x12 Kw

1.1x16 Kw

1.1x16 Kw

1.1x20 Kw

Airflow

165000 m3/h

180000 m3/h

205000 m3/h

242000 m3/h

285000 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

5800mm

5800mm

7800mm

8000mm

9800mm

Width

1900mm

2200mm

2000mm

2200mm

2200mm

Height

2200mm

2300mm

2250mm

2300mm

2350mm

Machine weight

4200KG

4450KG

4850KG

5300KG

5550KG

Operating weight

4850KG

5230KG

5500KG

5850KG

6250KG


Notes:

1. Cooling air inlet temperature 30°C, outlet temperature 40°C; Chilled water temperature difference: 3°C to 8°C.

2. Recommended for use where cooling temperatures are below 35°C;

3. Cooling air temperature difference: 8°C to 10°C.

4. Units can be customized to meet specific customer requirements.

5. We reserve the right to modify the above specifications and dimensions without prior notice.

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