AIRC 1020 Syllabus

Subject Code

AIRC

Course Number

1020

Course Title

Refrigeration Systems Components

Prerequisites

Corequisites

AIRC 1010

Terms Offered

Credit Hours

Course Description

This course provides students with the skills and knowledge to install, test, and service major components of a refrigeration system. Topics include compressors, condensers, evaporators, metering devices, service procedures, refrigeration systems, and safety.

Course Outcomes

Compressors
  • Discuss the different types of compressors.
  • Discuss the basic theory of operation of each of the identified types of compressors.
  • Discuss the various compressor applications.
  • Discuss adding and removing oil from hermetically and semi-hermetic compressors.
  • Discuss the types of compressor malfunctions.
  • Remove and/or install a compressor.
Condensers
  • Explain the purpose of the condenser in the refrigeration system.
  • Discuss the differences between air-cooled and water-cooled condensers.
  • Observe the operation of various condensers and explain the advantages and disadvantages of each.
  • Properly clean condensers using accepted industry solvents and procedures.
  • Check for correct condenser installation and operation.

Evaporators

  • Discuss the purpose of the evaporator in the refrigeration system.
  • Explain the "refrigeration effect".
  • Discuss the differences between bare-tube and fin-tube evaporators.
  • Observe fin-tube evaporator operation and explain the advantages of this type evaporator.
  • Properly clean an evaporator using accepted industry solvents and techniques.
  • Discuss defrost methods and troubleshooting procedures.

  Metering Devices

  • Discuss the purpose of metering devices.
  • Identify the different types of metering devices.
  • Observe the use of several metering devices in a simulated setting.
  • Adjust thermostatic and automatic expansion valves.
  • Remove and/or install expansion valves.
  • Check system operation with various metering devices.  

Properties of Air

  • Discuss the theory of reheating systems.
  • Use an anemometer to measure velocity of air from a grille.
  • Perform air property measurement.

Psychrometrics

  • Use a psychrometer to determine wet and dry bulb temperature.
  • Use psychrometric charts to determine efficiency. 

Safety

  •  Discuss hazards associated with electrical shock.
  • Discuss hazards related to compressed gases used in refrigeration.
  • Identify and discuss safety concerns when working with compressors, condensers, evaporators, and metering devices.
  • Determine an understanding of safety awareness.