NVCC COLLEGE-WIDE COURSE CONTENT SUMMARY
AIR 252 - AIR CONDITIONING SYSTEMS II (4 CR.)

 


COURSE DESCRIPTION

Provides the student with a greater understanding of refrigeration and air conditioning systems both residential and commercial. This course of study covers condensers water towers and their components. The course also covers the air delivery systems and its concepts of air balance and delivery, design, and installation procedures. Lecture 3 hours. Laboratory 3 hours. Total 6 hours per week.

GENERAL COURSE PURPOSE

Presents to the student the principles, practices, and procedures used in the installation and operation of residential and commercial air conditioning systems.

ENTRY LEVEL COMPETENCIES

Prerequisites: AIR 251 - Air Conditioning Systems I

COURSE OBJECTIVES

As a result of the learning experiences provided in the course, the student will be able to:

  1. know, understand, and evaluate the different types of water chillers, water cooled condensers (air, water, and evaporative), water towers, and other heat rejection devices
  2. document data obtained from tests performed using heat rejection equipment
  3. calculate and describe the design and size of heat rejection equipment
  4. know and describe the basic principles of air, air flow, and air flow calculations
  5. calculate air flow calculations
  6. determine air flow patterns and air distribution methods
  7. control and balance air flow and air volume
  8. use duct-a-lator and/or flow charts to determine pressure, velocity, duct size, or air volume
  9. layout duct systems
  10. install duct systems and components
  11. know the various types of duct systems and duct material
  12. fabricate duct components
  13. use equipment to test air flow and air quantity
MAJOR TOPICS TO BE INCLUDED
  1. Water cooled condensers
  2. Water chillers
  3. Water towers
  4. Other heat rejection devices
  5. Air and air properties
  6. Air flow characteristics
  7. Air flow devices
  8. Duct construction and material
  9. Duct design and layout
  10. Air flow balancing
  11. Duct fabrication
  12. Air flow calculations
  13. Testing equipment


    14. Revised 1/96

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