The Dorin AU2-H503CS is a reliable semi-hermetic reciprocating compressor built for positive temperature (medium to high-temperature) refrigeration systems. It is ideal for commercial and industrial operations such as cold rooms, chilled storage, and food handling areas where stable and efficient cooling is required.

General Description
Engineered for long-term durability and consistent operation, the H503CS provides strong cooling capacity with efficient power consumption. Its semi-hermetic design ensures easy maintenance and robust performance in continuous-use applications.

Key Specifications

• Compressor Type: Semi-hermetic, reciprocating

• Application: Positive temperature (medium/high-temp) refrigeration

• Cooling Capacity: Approx. 50–60 HP (depending on refrigerant and application)

• Displacement: Approx. 50.3 m³/h

• Voltage: 380–420V / 3Ph / 50Hz

• Refrigerants: R-134a, R-407C, R-448A, R-449A, R-513A, and similar refrigerants

• Oil Type: POE (polyolester)

• Motor Protection: Integrated thermal overload system

• Usage: Suitable for chilled storage rooms, commercial refrigeration systems, and food service environments

Conclusion
The Dorin AU2-H503CS combines efficient cooling, mechanical strength, and serviceability—making it a dependable choice for medium to large positive temperature refrigeration systems.