Which side is under condenser pressure?

The correct choice indicates that the high side is under condenser pressure. In a refrigeration or cooling cycle, the condenser is a component where the refrigerant gas cools down and changes phase from a gas to a liquid. This process occurs after the vapor refrigerant is compressed, raising its pressure and temperature.

In this system, the high side refers to the part of the refrigeration cycle that is under the highest pressure, which includes the discharge of the compressor and the condenser. The pressure in this area is increased due to the work performed by the compressor, and as the refrigerant releases heat in the condenser, it condenses and maintains a high-pressure environment.

This understanding is crucial for working with high-pressure piping systems, as it informs technicians where to expect higher pressure levels and helps prevent potential hazards like leaks or bursts in high-pressure components. Knowing the pressure dynamics in these systems is essential for safe and effective maintenance and operation.