The Dorin AU2-H290CS is a robust semi-hermetic reciprocating compressor specially engineered for negative temperature (low-temperature) refrigeration systems. It is well-suited for demanding applications such as frozen food storage, deep-freezing chambers, and industrial freezing tunnels.

General Description
Part of Dorin’s reliable AU2-H series, the H290CS model offers a strong balance of performance, energy efficiency, and durability. Its semi-hermetic construction supports long operating life, straightforward maintenance, and optimal cooling output even under deep-freeze conditions.

Key Specifications

• Compressor Type: Semi-hermetic, reciprocating

• Application: Negative temperature (low-temp) refrigeration

• Cooling Capacity: Approx. 25–30 HP (depending on refrigerant and system conditions)

• Displacement: Approx. 29.0 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: Designed for industrial freezing, cold storage, and low-temp commercial systems

Conclusion
The Dorin AU2-H290CS delivers dependable performance, high efficiency, and reliability, making it a strong solution for negative temperature applications that require consistent deep cooling.