In a refrigeration system, non-condensables exist in what state?

In a refrigeration system, non-condensables exist in a gaseous state. Non-condensables refer to gases that do not condense at the operating pressures and temperatures of the refrigeration system. Common examples of non-condensables include air and other gases that may enter the system and create issues if not removed.

Understanding that non-condensables are gases is crucial for effective system operation. Their presence can lead to reduced efficiency, increased discharge pressure, and potential compressor damage. This is because non-condensable gases take up space in the condenser, which can limit the amount of refrigerant that can condense properly and lead to overheating. Thus, managing these gases, often through evacuation processes, is critical for maintaining optimal performance in refrigeration systems.