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REFR2204 – Commercial Refrigeration and Air Conditioning Lab pdf

Credits: 3 (0/3/0)
Description: This course covers practical applications as they relate to commercial refrigeration and air conditioning equipment. Sequence of operation, troubleshooting, repair, maintenance and installation are included. Safety is emphasized.
Prerequisites: REFR1110 AND REFR1112
Corequisites: (None)
Competencies:
  1. Demonstrate the usage of various personal safety equipment.
  2. Demonstrate ways to safely remove high and low pressure manifold hoses.
  3. Recognize the need for safety glasses when working with refrigerants.
  4. Demonstrate the ability to use the correct solder, brazing rod and flux for joining different types of metals.
  5. Identify points in a refrigeration system where the refrigerant is saturated, superheated or subcooled.
  6. Demonstrate use of saturation pressure charts in system analysis.
  7. Demonstrate proper methods of recovering, recycling, and reclaiming refrigerants.
  8. Demonstrate methods of refrigeration piping to assure proper refrigerant flows and oil return.
  9. Evaluate methods of measuring superheat and subcooling.
  10. Demonstrate different procedures for finding leaks in a Refrigeration System.
  11. Compare methods of system evacuation used prior to charging.
  12. Contrast charging by weight, evaporator superheat, condenser subcooling, and performance charts.
  13. Recognize the difference between zeotropic and azeotropic blends and their effect of temperature glide.
  14. Demonstrate the procedure for measuring and adjusting the superheat of a thermal expansion valve.
MnTC goal areas: (N/A)

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