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Course Listings 2020-2021 Refrigeration Applications and Components II Actual refrigerating cycles and pressure-enthalpy analysis of chlorofluorocarbon (CFC) and hydrofluorocarbon (HCFC) replacements. Selection of refrigeration components, sizing, and layouts of refrigerant piping, supermarket refrigeration system operation. Prerequisites: A grade of C or better in HVA/FAC101. Corequisites: HVA103LL. HVA103LL Lab 1 Credit 3 Periods Refrigeration Applications and Components II Lab Pressure-enthalpy evaluation of operating systems from a simple saturated cycle to actual operating conditions. System performance evaluation including evaporator superheat, adjustments of suction pressure regulators and compressor crankcase pressure regulator, and evaluation of refrigerant piping. Prerequisites: A grade of C or better in HVA/FAC101. Corequisites: HVA103. HVA104 Lecture 0.5 Credits 0.5 Periods EPA Section 608 Technician Preparation and Certification Laws, standards and procedures for the preparation to complete the certification for the Environmental Protection Agency (EPA) SECTION 608 - stationary equipment. Core certification requirements for Type I Technicians, Type II Technicians, Type III Technicians, and Universal Technicians. Type I Technician - primarily works on small appliances. Type II Technician - primarily works on appliances/equipment using high and very high-pressure refrigerant. Type III Technician - primarily works on appliances/equipment using a low-pressure refrigerant. Universal Technician - for servicing all appliances. Prerequisites: None. HVA112 Lecture 3 Credits 3 Periods Heating and Air Conditioning Types and styles of cooling equipment and duct systems. Methods of supplying air to spaces for heating and cooling. Human comfort factors related to heating and cooling. Psychrometric terminology and applications. Operation, control, and metering devices for heat pumps and package air conditioning systems. Basic heating and ventilating equipment including performance measurement of heating and combustion equipment. Procedures used with DX cooling and gas-fired and electric heating equipment. Troubleshooting techniques, local gas and electric codes, and safety precautions. Prerequisites: A grade of C or better in HVA/ELC/FAC105. Corequisites: HVA112LL. HVA112LL Lab 1 Credit 3 Periods Heating and Air Conditioning Lab Application of routine procedures related to heating and air conditioning. Includes identification of air conditioning and heating system components, evaluation of energy balance, identification of electrical malfunctions, and proper refrigerant handling procedures. Emphasis on safety. Prerequisites: A grade of C or better in HVA/ELC/FAC105. Corequisites: HVA112. HVA143 Lecture 3 Credits 3 Periods Load Calculation and Duct Design 304