AIRC 1050 Syllabus
Subject Code
AIRC
Course Number
1050
Course Title
HVACR Electrical Components and Controls
Prerequisites
AIRC 1030
Corequisites
AIRC 1030
Terms Offered
Credit Hours
Course Description
This course provides instruction in safely identifying, installing, and testing commonly used electrical components and control systems used in air conditioning systems. Topics include identification, installation, application, diagnosis, and safety procedures for transformers, thermostats, pressure switches, control boards, and commonly used HVACR controls and control systems.
Course Outcomes
Pressure Switches
- Explain the purpose for pressure switches
- Install a low-pressure safety cut-out in a refrigeration system.
- Test pressure switches for proper operation.
Transformers
- Discuss the purpose of the transformer in an air conditioning system.
- Replace a transformer in an air conditioning system.
- Test primary and secondary cores of transformers with a VOM.
Controls
- Identify and describe the types of common controls used on air conditioning systems.
- Wire single stage heating thermostats.
- Wire two stage heating and cooling thermostats
- Wire heat pump thermostats.
Diagnostic Techniques
- Follow troubleshooting charts to isolate problems.
- Use accepted troubleshooting methods to locate problems.
- Use test instruments to locate and verify problems.
Installation Procedures
- Install a humidistat on an air conditioning system by following the manufacturer’s recommendations.
- Install various electrical control devices on an air conditioning system by following the manufacturer’s recommendations.
Solid State Controls
- Discuss the types of solid state controls used in air conditioning systems.
Control Circuits
- Discuss the purpose of designing separate control circuits.
- Discuss several common control circuits found in air conditioning systems.
- Wire a compressor control circuit.
- Wire an evaporator fan motor control circuit.
Safety
- Discuss safety concerns of the technician when dealing wit