Light Commercial Refrigeration

Percentages indicate the proportion of each module that is theory-based (classroom) and performance-based (hands-on), respectively.
Light Commercial Refrigeration

Course Outline

MODULE 1Refrigeration Basics
This Module is designed to present a working foundation of refrigeration, theory and application, flaring Swaging & Brazing safety plus an introduction knowledge of electrical and reading of schematic wiring diagrams The concept of single-phase and three-phase electrical power, refrigeration cycles and its components, the characteristics of refrigerant blends and oils, and the different temperature applications will be covered. Also, this module will prepare students for the EPA section 608 exam (Refrigeration Certification). The instructor will review all material needed to receive their EPA Universal Certification: Core, Type I, Type II, and Type III.
100 %0 %30 hours
MODULE 2 Electrical Controls & Refrigeration Components
This module covers the functions and designs of the major components in a light commercial refrigeration application. Compressors, evaporators, metering devices, Receiver, filter driers, moisture indicators, and service ports are discussed in this module. In this module students will learn the operation, design, and functions of mechanical, electronic/electronic pressures, and defrost controls in a light commercial application. Evaporator pressure controls, crankcase pressure regulators, defrost timers, and defrost termination/fan delays will also be covered.
50 %50 %40 hours
MODULE 3Refrigerants Types and Applications
This Module covers the safety and procedures of Hydrocarbon refrigerants. Throughout the world, concerns are growing about global warming and the effect of harmful atmospheric emissions. In response to these concerns, manufacturers are utilizing more and more alternative refrigerants such as hydrocarbons. Hydrocarbon refrigerants are natural, nontoxic refrigerants that have no ozone-depleting properties and extremely low global warming potential. Hydrocarbon refrigerants, while being one of the most cost-effective and climate-friendly refrigerants, are also extremely flammable and require specialized equipment and training to handle them safely.

In response to increased usage of hydrocarbon refrigerants, Virginia Technical Academy developed a course that would assist technicians in understanding the safety requirements for servicing systems that contain EPA approved flammable refrigerants. As a LOKRING distributor and certified trainer, we also provide technicians with a safe alternative to brazing sealed systems. LOKRING ensures an absolutely clean, permanent and purely mechanical tube connection, with long-term hermetic gas-tightness and has become the standard of major manufacturers for repairing sealed systems
50 %50 %40 hours
MODULE 4 Application of Refrigeration Systems
This module will cover various light commercial applications. The design and function of light commercial refrigerators, light commercial freezers, walk-in coolers, walk-in freezers, and domestic refrigerators, will be covered.
0 %100 %40 hours
MODULE 5Domestic and Commercial Ice Makers
This module will cover the design and function of various domestic and commercial ice makers.
50 %50 %30 hours
180 hours, 5 weeks180 hours


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