This Commercial Refrigeration CSC program provides hands-on training for proper temperature control of commercial refrigeration systems. You will learn about various components and special types of systems. Electrical training includes pressure/temperature controls, wiring diagrams, defrost operation, and troubleshooting. EPA refrigerant certification regulations are covered. This Level 2 program is a stackable credential that can be applied to the Air Conditioning, Refrigeration & Heating AAS. Refrigeration CSC (Level 1) is a prerequisite.