What condition would likely occur if an evaporator were to become frozen?

When an evaporator becomes frozen, it can disrupt the normal operation of the refrigeration system. The formation of ice on the evaporator coils acts as an insulating barrier and inhibits the proper heat exchange process necessary for the refrigeration cycle to function effectively.

As ice builds up, the evaporator is unable to absorb heat from the surrounding environment, leading to a reduction in the evaporation of refrigerant. This reduced heat absorption causes the pressure in the evaporator to drop, resulting in a drop in suction pressure. Since the compressor relies on the suction pressure to regulate its operation and maintain the flow of refrigerant, this drop can significantly hinder the overall performance of the refrigeration system.

Understanding this condition is crucial because it highlights the importance of maintaining the evaporator in a functioning state, ensuring that proper airflow and temperature control are maintained to prevent freezing and associated issues such as inadequate cooling and system inefficiency.