What are the US Standard Cycle of Refrigeration Conditions?

The correct choice specifies a standard cycle of refrigeration conditions where the evaporator temperature is set at -15 degrees Celsius and the condenser temperature at +30 degrees Celsius. This particular selection aligns with the established benchmarks used in the refrigeration industry for the Performance Testing of refrigeration systems.

These standard conditions are significant because they allow for the facilitation of consistent testing and evaluation of refrigeration systems. By maintaining a fixed evaporator and condenser temperature, operators can better assess the efficiency, performance, and behavior of the refrigeration machinery across various applications.

The chosen values of -15 degrees Celsius for the evaporator and +30 degrees Celsius for the condenser create an environment that aligns with typical operational scenarios for many commercial refrigeration units, striking a balance between effective cooling and manageable energy consumption. Thus, they represent an industry-standard reference point for evaluating systems under predictable conditions.