Product overview
The 250kW Glycol Low Temperature Chiller is an air-cooled screw chiller designed for circulating ethylene glycol or propylene glycol solutions. Using semi-hermetic screw compressors, it delivers stable cooling for low-temperature industrial processes, cold storage, and rapid freezing applications where precise temperature control and continuous operation are required.
Technical Specifications
|
Item |
Specification / Supplier |
||
|
Model |
AYD-220A |
AYD-240A |
|
|
Cooling capacity |
kw |
266.8 |
270 |
|
Power input |
kw |
240.22 |
245.48 |
|
Current |
A |
433 |
442 |
|
Temp Outlet (℃) |
-20 |
||
|
Power Supply |
380V-3N-50HZ |
||
|
refrigerant control |
Expansion valve |
||
|
Refrigeration circle |
one |
||
|
refrigerant |
R404A |
||
|
Dimension(mm)L×W×H |
10000*2000*2200 |
11000*2000*2200 |
|
|
Compressor |
Style |
Semi-hermetic screw type |
|
|
Quantity(set) |
1 |
2 |
|
|
Model |
RC2-790B |
RC2-410B |
|
|
Compressor Power(kw) |
208.1 |
211.6 |
|
|
COP |
1.282 |
1.276 |
|
|
Start Way |
100%-75%-50%-25% |
||
|
Condenser |
Style |
Fin |
|
|
Air Volume(m3/h) |
259200 |
280800 |
|
|
Fan Quantity(pcs) |
24 |
26 |
|
|
Fan Power(kw) |
21.12 |
22.88 |
|
|
Evaporator |
Style |
Shell and Tube / 1set |
|
|
Cold water flow(m3/h) |
120 |
|
|
|
Water Tank(L) |
4000 |
4000 |
|
|
Water Pump(kw) |
11 |
11 |
|
|
Pipe size(DN) |
125 |
||
|
Protector Device |
1.Phase protector 2.Fan overload protector 3.High/low voltage protector 4.overheat protector 5.Anti-freeze protector |
||
|
Unit Weight(kg) |
5850 |
6520 |
|
|
Main Parts |
|||
|
Compressor |
Hanbell |
||
|
Electronic |
LG / Chnt |
||
|
Expansion Valve |
Emerson |
||
|
Electrical control |
Punp |
||
Remark: The cooling capacity is based on evaporating temperature -25C, condensing temperature 45C.
Key Features
- Semi-hermetic Hanbell screw compressors with 25%-50%-75%-100% capacity control, allowing precise load adjustment and reducing energy consumption during partial-load operation.
- Shell-and-tube evaporator with 4,000 L insulated tank and 11 kW circulation pump, ensuring stable glycol flow and minimizing installation time on site.
- Air-cooled fin condenser with up to 26 axial fans, eliminating the need for cooling towers and lowering water treatment and maintenance costs.
- Multi-level safety protections, including phase loss, high/low pressure, overload, overheat, and anti-freeze protection to ensure safe long-term operation.
- Industrial-grade electrical components from LG, CHNT, Emerson, and Hanbell, improving system reliability and simplifying global spare parts sourcing.
Applications
- Food Processing - IQF freezing tunnels and brine cooling systems
- Brewery & Beverage - Low-temperature fermentation and cold stabilization
- Chemical Industry - Reactor jacket cooling and solvent condensation
- Pharmaceuticals - Process cooling and temperature-controlled production
- Cold Storage - Secondary glycol refrigeration systems
- Seafood Processing - Ice slurry and rapid product chilling
- Battery Manufacturing - Electrolyte and coating process cooling
- Laboratories - Low-temperature test chambers and pilot systems


250kW Glycol Low-Temperature Chiller operating steadily on-site.
Optional Configurations
- Propylene Glycol Design - Food-grade coolant compatibility for sanitary applications.
- Dual Compressor System - Improved redundancy and staged capacity control.
- PLC with Touch Screen - Advanced monitoring, alarm history, and parameter adjustment.
- Remote Communication (Modbus/BACnet) - Integration with BMS or SCADA systems.
- Stainless Steel Water Tank and Piping - Enhanced corrosion resistance for aggressive fluids.
- Variable Frequency Drives (VFD) - Reduced startup current and improved energy efficiency.
- Low Ambient Kit - Reliable operation in temperatures below 0°C.
- Custom Voltage and Frequency - Available for 208V/230V/460V/60Hz and other regional standards.
All configurations can be adjusted according to required outlet temperature, coolant type, ambient conditions, and installation standards.
OEM & Customization (OEM/ODM)
- Cooling capacity customizable from 50 kW to 1,500 kW.
- Outlet temperature range configurable from +20°C to -40°C.
- Choice of ethylene glycol, propylene glycol, or calcium chloride brine.
- Custom power supply, refrigerants, and electrical certifications available.
- Private label branding, logo plates, manuals, and packaging supported.
- Skid-mounted systems with pumps, tanks, and control panels available.
- Piping materials selectable in carbon steel, stainless steel, or PVC.
MOQ: 1 unit for standard models; 5 units for OEM private label orders.
Quality Assurance
- Raw material inspection for compressors, heat exchangers, valves, and electrical components.
- Pressure vessel leak testing and welding quality verification.
- Nitrogen pressure holding test for refrigerant piping.
- Vacuum dehydration to remove moisture and non-condensable gases.
- Refrigerant charging by calibrated weighing equipment.
- Electrical insulation resistance and phase sequence testing.
- Functional performance testing at full load and simulated low-temperature conditions.
- Final inspection covering noise, vibration, safety controls, and temperature stability.
Factory Strength
- Factory Size: 8,000+ m² manufacturing facility dedicated to refrigeration equipment production.
- Production Equipment: CNC sheet metal machines, automatic welding stations, vacuum charging systems, and performance test platforms.
- Engineering Team: 20+ mechanical, refrigeration, and electrical engineers.
- Production Capacity: Over 1,500 industrial chillers and refrigeration units annually.
- Export Experience: More than 10 years supplying OEM and ODM systems to Europe, Southeast Asia, the Middle East, and the Americas.
- Delivery Stability: Standard production lead time of 25–35 working days with full documentation support.
FAQ
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