Delaware County Community College

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HVAC 101 - Introduction to Refrigeration and Air Conditioning

This course covers the design and functions of the major components of residential and commercial refrigeration and air conditioning. The refrigeration cycle is reviewed and heat transfer discussed. Particular attention is placed on use of hand tools techniques of installation and service of equipment.

Upon successful completion of this course, students should be able to:

  • Define electrical circuit fundamentals.
  • Identify circuit symbols on a schematic diagram or plan.
  • Describe the difference between parallel and series circuits.
  • Define the relationship among voltage, amperage and resistance.
  • Perform calculations using Ohm's law.
  • Demonstrate the use of electric meters, their operation and application.
  • Identify current carrying capacity of conductors, use wire sizing charts and properly size conductors for
    system connections.
  • Cite the hazard potential and safety procedures when working on equipment.
  • Describe the types of motors used within the HVAC&R field, including both theory and operation.

Prerequisite: Introduction to Heating, Ventilating Air Conditioning and Refrigeration Electrical Fabrication (HVA 100)

1 hour lecture,
2 hours laboratory each week 2 credits

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