What is the result of high low side pressure in refrigeration systems?

High low side pressure in refrigeration systems typically indicates a possible overcharge of refrigerant or a restriction in the system. When the low side pressure is elevated, it suggests that the refrigerant is not effectively evaporating in the evaporator coil, which can lead to inefficient heat absorption.

An overcharge means there is too much refrigerant in the system, preventing it from vaporizing properly. This excess can lead to high pressure and affect the system's overall performance. A restriction, such as a blocked filter or capillary tube, can also cause a buildup of pressure on the low side, resulting in inadequate flow and reduced efficiency.

In both scenarios, the result is a compromised ability of the system to absorb heat and maintain the desired cooling effect, leading to various operational issues. Understanding the cause of high low side pressure is crucial for effective troubleshooting and maintaining optimal system performance.