This course covers the components and principles of refrigeration systems and their efficient use. Features DuPont Safety Solutions (now DSS+).

Course Objectives:

• Exercise proper safety precautions when working with and around refrigeration systems
• Identify the parts that all mechanical refrigeration systems have in common
• Assess the relationship between pressure, temperature, evaporation, and condensation in a refrigeration system
• Compare common refrigerants
• Apply the principles of operation of positive displacement and centrifugal refrigeration systems
• Apply specific energy-efficiency best practices to refrigeration systems

Course Menu:

• Safety Considerations
• The Refrigeration Cycle and Its Components: The Refrigerant Cycle, Compressors, Expansion Valves, Evaporators, Condensers
• Refrigerants and Cycle Performance: Refrigerants, Capacity, and Performance Considerations
• Positive Displacement Compressors
• Cooling Circuits and Lubrication: Liquid Coolers and Air-Cooling Coils, Lubrication
• Centrifugal Chillers – Compressors & Other Components, A Simple Centrifugal System, Centrifugal Compressors, Coolers and Condensers, Expansion Valves, Intercoolers (Economizers), Compressor Surging, Capacity Control
• Refrigeration Best Practices