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.