Basic Refrigeration Fundamentals

Basic Refrigeration Fundamentals

Introduces the basic concepts, theories, and safety regulations and procedures of refrigeration. Topics include an introduction to OSHA, laws of thermodynamics, pressure and temperature relationships, heat transfer, the refrigerant cycle, refrigerant identification, and types of AC systems.

Lessons

Outcomes - The Student Will:

  1. Pass a written test on OSHA regulations
  2. Pass a written test on safe refrigerant handling practices
  3. Demonstrate the safe use of a portable fire extinguisher

Activities Included:

1.1 OSHA Regulations

1.1 Test

1.2 Safe Refrigerant Handling Practices

1.2 Test

1.3 Safe Use of Portable Fire Extinguishers

Outcomes - The Student Will:

  1. Pass a written test on matter and energy
  2. Pass a written test on thermodynamics
  3. Demonstrate and explain thermodynamic principles

Activities Included:

2.1 Matter and Energy

2.1 Test

2.2 Thermodynamics (laws, conduction convection, radiation)

2.2 Test

Outcomes - The Student Will:

  1. Pass a written test on pressure-temperature relationships
  2. Demonstrate and explain energy concepts used in HVACR
  3. Demonstrate and explain refrigerant pressure-temperature relationships
  4. Pass a written test on different refrigerants
  5. Identify the type of refrigerant in refrigeration cylinders
  6. Identify the type of refrigerant in different refrigeration systems

Activities Included:

2.3 Pressure-temperature Relationships

2.3 Test

2.4 Refrigerants

2.4 Test

2.5 Identifying Refrigerants

Outcomes - The Student Will:

  1. Pass a written test on comfort conditions and types of cooling systems
  2. Identify comfort conditions
  3. Identify different types of cooling systems

Activities Included:

3.1 Comfort Conditions and Types of Cooling Systems

3.1 Test

Outcomes - The Student Will:

  1. Pass a written test on vapor compression cycle operation
  2. Draw and label a basic refrigeration cycle
  3. Identify Refrigeration Cycle Components on an operational system
  4. Explain the changes in the refrigerant through each component on an operational system
  5. Pass a written test on different refrigeration system applications

Activities Included:

4.1 Vapor Compression Cycle Operation

4.1 Test

4.2 Drawing Vapor Compression Cycle Operation

4.2.1 Refrigeration Cycle Components

4.3 Changes in the Refrigerant Through Each Component

4.3.1 Different Refrigeration System Applications

4.3.1 Test