Refrigeration Operator Level 1 Practice Exam 2025 - Free Refrigeration Operator Practice Questions and Study Guide

The role of the brine pump in a refrigeration system is to circulate the brine through the cooling circuit. Brine, which is typically a water and salt solution, is used as a secondary refrigerant in many refrigeration systems. It helps to transfer heat away from the areas being cooled, moving this cooled brine through the system to maintain an even temperature and ensure effective cooling.

This circulation is crucial because it allows the brine to absorb heat from the environment or products that need to be cooled and then return to the chiller or evaporator to release that heat. By ensuring a continuous flow, the brine pump maintains the efficiency of the refrigeration cycle and helps achieve the desired cooling outcomes.

Understanding the function of the brine pump is vital, as it directly affects the overall performance of the refrigeration system. The other roles described in the alternatives do not accurately represent the primary function of the brine pump, which is specifically focused on circulation within the cooling circuit.