Revised 05/2025

AIR 213 - Air Conditioning and Refrigeration Controls III (4 CR.)

Course Description

Introduces electrical, pneumatic and electronic control circuits as applied to year-round air conditioning systems. Includes reading wiring and schematic diagrams, troubleshooting, and designing high and low voltage control systems. Part I of II. Lecture 3 hours. Laboratory 3 hours. Total 6 hours per week; 4 credits.

General Course Purpose

Introduce students to troubleshooting various control units used, air conditioning and refrigeration equipment that allows application of skills and practices used in the Commercial HVAC field.

Course Prerequisites/Corequisites

Prerequisite: AIR 134

Course Objectives

Upon completion of this course, the student should be able to:

• troubleshooting different control circuits used in air conditioning units
• reading diagrams
• wiring technical diagrams 
• designing voltage control systems employed in control circuits

Major Topics to Be Included

Troubleshooting year-round air conditioning units; reading, wiring, and schematic designs, and design of control systems