How does the condenser sump temperature change if the fans are not running?

The correct response indicates that the temperature of the condenser sump will increase, assuming the wet bulb temperature remains constant, when the fans are not running. In an industrial refrigeration system, condensers are designed to reject heat from the refrigerant to the environment. The operation of fans is crucial in facilitating this heat exchange by enhancing airflow over the condenser coils.

When the fans stop operating, the airflow is significantly reduced, leading to decreased heat dissipation capability. As the refrigerant continues to release heat but is not cooled effectively due to the lack of airflow, the temperature of the condenser sump rises. This scenario assumes that the ambient wet bulb temperature is constant, meaning that any additional heat from the refrigerant does not have sufficient means to dissipate, causing an accumulation of heat and thereby elevating the sump temperature.

This understanding is key in managing condenser operation and ensuring efficient system performance in industrial refrigeration applications. Maintaining proper airflow helps prevent overheating and potential equipment failure, underscoring the importance of fans in these systems.