Objectives

• After studying this unit, you should be able to
• list the typical operating temperatures and pressures for the low-pressure side of a refrigeration system for high, medium, and low temperatures.
• list the typical operating pressures and temperatures for the high-pressure side of a system.
• state how different refrigerants compare on the high-pressure and low-pressure sides of the system.
• diagnose an inefficient evaporator.
• diagnose an inefficient condenser.
• diagnose an inefficient compressor.

Next: Advance to the Learning Center Dashboard and complete the lessons.