Delaware County Community College

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HVAC 100 - Introduction to Heating Ventilating, Air Conditioning and Refrigeration

This course provides a background and understanding of electron flow Ohm's law, wire sizing, system controls, types of motors, AC/DC theory and understanding of the use of meters and equipment components associated with this field. The math necessary to perform the calculations in this course is covered as an integral part of instruction. The course includes theory as well as practical shop applications.

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.

1 hour lecture,
2 hours laboratory each week 2 credits

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