Air Conditioning and Refrigeration
Instructional DVDs
Course 1 – Introduction to Air Conditioning and Refrigeration
Prerequisites: This program is designed for persons who are familiar with the principles of refrigeration theory, the basic operation of air conditioning and refrigeration systems, the proper use of hand tools and good safety practices.
Description: This comprehensive DVD training program covers Air Conditioning and Refrigeration theory. This program focuses on the principles involved in the refrigeration process, including methods of heat transfer, how substances change phase, and the relationship between pressure and temperature. It also shows the basic components of a refrigeration system and explains their functions.
Course 2 – Vapor Compression Cycle Designs and Refrigerants
Prerequisites: This program is designed for persons who are familiar with the principles of refrigeration theory, the basic operation of air conditioning and refrigeration systems, the proper use of hand tools and good safety practices.
Description: This comprehensive DVD training program covers vapor compression equipment designs and refrigerants. This program focuses on various equipment designs typically used in air conditioning and refrigeration systems. It shows variations in the design of system components, such as the evaporation of each. The program also describes the basic characteristics and uses of refrigerants typically used in air conditioning and refrigeration applications.
Course 3 – Test and Maintenance Equipment
Prerequisites: This program is designed for persons who are familiar with the principles of refrigeration theory, the basic operation of air conditioning and refrigeration systems, the proper use of hand tools and good safety practices.
Description: This comprehensive DVD training program covers test and maintenance equipment. This program shows and explains the use of equipment such as temperature sensors, pressure gauges, gauge manifolds, leak detectors, vacuum pumps and vacuum gauges. It also includes guidelines for the care of each type of equipment.
Course 4 – System Operation Checks
Prerequisites: This program is designed for persons who are familiar with the principles of refrigeration theory, the basic operation of air conditioning and refrigeration systems, the use of hand tools and test instruments and safety practices that should be followed when working on air conditioning and refrigeration systems.
Description: This comprehensive DVD training program covers common maintenance procedures performed on air conditioning and refrigeration systems. This program shows and explains the basic steps in a general system check. It also shows and explains common periodic maintenance procedures, including checking for refrigerant leakage, checking for correct refrigerant charge, checking the oil level in a compressor and electrical checks on a compressor motor.
Course 5 – Pump down, Evacuation and Charging
Prerequisites: This program is designed for persons who are familiar with the principles of refrigeration theory, the basic operation of air conditioning and refrigeration systems, the use of test and maintenance equipment and safety practices that should be followed when working on air conditioning and refrigeration systems.
Description: This comprehensive DVD training program covers system pump down, evacuation and charging. This program shows and explains the basic steps involved in pumping a system down, performing a deep vacuum system evacuation, high-side charging and low-side charging. The program also covers basic principles and applications of each of these procedures.
Course 6 – Mechanical Troubleshooting
Prerequisites: This program is designed for persons who are familiar with the principles of refrigeration, the function and operation of each component in a refrigeration system and the tools and equipment used during troubleshooting.
Description: This comprehensive DVD training program covers mechanical troubleshooting as applied to a variety of problems. This program focuses on how to troubleshoot short-cycling of the compressor, restrictions in the liquid lines and installed accessory devices, insufficient cooling of the refrigeration system and improper heat transfer. It also shows how to repair a clogged filter drier.
Course 7 – Electrical Controls and Circuits
Prerequisites: This program is designed for persons who are familiar with the principles of refrigeration theory, the basic operation of air conditioning and refrigeration systems, AC/DC theory, electrical print reading, the use of test instruments and safety practices when working with electrical equipment.
Description: This comprehensive DVD training program covers electrical controls and circuits found in air conditioning and refrigeration systems. The program focuses on cycle controls and safety controls. It shows and explains the basic mode of operation of controls such as mercury bulb thermostats, high pressure switches, low pressure switches, switches that interlock equipment and overload protectors. The program also shows how these controls may be used in various types of electrical circuits.
Course 8 – Electrical Troubleshooting
Prerequisites: This program is designed for persons who are familiar with the principles of refrigeration theory, the basic operation of air conditioning and refrigeration systems, AC/DC theory, electrical print reading, the use of test instruments and safety practices when working with electrical equipment.
Description: This comprehensive DVD training program covers electrical troubleshooting. The program shows and explains the basic steps in the troubleshooting process, focusing on the divide and check method of troubleshooting. The program also shows some of the checks that might be performed when troubleshooting electrical circuits.