AIRC 1050 Syllabus

Subject Code

AIRC

Course Number

1050

Course Title

HVACR Electrical Components and Controls

Prerequisites

Corequisites

AIRC 1030

Terms Offered

Offered every semester

Credit Hours

(3-3-4)

Course Description

This course provides instruction in identifying, installing, and testing commonly used electrical components in an air conditioning system. Topics include pressure switches, transformers, other commonly used controls, diagnostic techniques, installation procedures, solid state controls, and safety. Students must pay a $35 supply fee when registering for this course.

Course Outcomes

Pressure Switches
   Order              Description
      1                   Explain the purpose for pressure switches.
      2                   Install a low-pressure safety cut-out in a refrigeration system.
      3                   Test pressure switches for proper operation.

 

Transformers
   Order              Description
      1                   Discuss the purpose of the transformer in an air conditioning system.
      2                   Replace a transformer in an air conditioning system.
      3                   Test primary and secondary cores of transformers with a VOM.

 

Controls
   Order              Description
      1                   Identify and describe the types of common controls used on air conditioning systems.
      2                   Wire single stage heating thermostats.
      3                   Wire two stage heating and cooling thermostats
      4                   Wire heat pump thermostats.

 

Diagnostic Techniques
   Order              Description
      1                   Follow troubleshooting charts to isolate problems.
      2                   Use accepted troubleshooting methods to locate problems.
      3                   Use test instruments to locate and verify problems.

 

Installation Procedures
   Order              Description
      1                   Install a humidistat on an air conditioning system by following the manufacturer’s
                           recommendations.
      2                   Install various electrical control devices on an air conditioning system by following the
                           manufacturer’s recommendations.

 

Solid State Controls
   Order              Description
      1                   Discuss the types of solid state controls used in air conditioning systems.

 

Control Circuits
   Order              Description
      1                   Discuss the purpose of designing separate control circuits.
      2                   Discuss several common control circuits found in air conditioning systems.
      3                   Wire a compressor control circuit.
      4                   Wire an evaporator fan motor control circuit.

 

Safety
   Order              Description
      1                   Discuss safety concerns of the technician when dealing with electrical components.