The Dorin AU4-2201CC is a heavy-duty semi-hermetic reciprocating compressor specifically engineered for negative temperature (low-temperature) refrigeration systems. This model is perfectly suited for large industrial freezing applications, centralized cold storage plants, and high-demand refrigeration networks.

General Description
Part of Dorin’s high-performance AU4 series, the AU4-2201CC delivers exceptional cooling output and operational efficiency. Its robust semi-hermetic construction ensures easy maintenance, extended service life, and reliable performance under continuous deep-freeze conditions.

Key Specifications

• Compressor Type: Semi-hermetic, reciprocating

• Application: Negative temperature (low-temp) refrigeration

• Cooling Capacity: Approx. 210–230 HP (depending on refrigerant and system design)

• Displacement: Approx. 220.1 m³/h

• Voltage: 380–420V / 3Ph / 50Hz

• Refrigerants: R-404A, R-507, R-448A, R-449A, and other low-temperature refrigerants

• Oil Type: POE (polyolester)

• Motor Protection: Integrated thermal overload protection

• Usage: Ideal for industrial cold chain facilities, large-scale deep-freeze systems, and food preservation operations

Conclusion
The Dorin AU4-2201CC combines high cooling capacity, efficiency, and rugged durability—making it a reliable solution for intensive negative temperature refrigeration demands in large industrial settings.