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Course Listings 2018-2019 252 (NAHUC) national certification exam. Job interview preparation including resume preparation and document submission. All HUC classes must be taken concurrently except HUC113 if a student is seeking a certificate of completion in Health Unit Coordinating/Patient Care Associate. Prerequisites: None. HEATING, VENTILATING AND AIR CONDITIONING (HVA) HVA101 3 Credits 3 Periods Refrigeration Applications and Components I Major components of refrigeration systems. Properties of refrigerants and piping practices. Principles of pressure, work, energy, power, matter, internal energy, heat, temperature and the ideal gas processes. Saturated and superheated vapors. Pressure-enthalpy chart and its component parts, vapor compression system, cycle analysis of a single saturated cycle. Prerequisites: None. Corequisites: FAC/HVA101LL or permission of Instructor. Cross-References: FAC101. HVA101LL LAB 1 Credit LAB 3 Periods Refrigeration Applications and Components I Lab Servicing refrigeration units. Includes soldering tubing, installing/removing manifold gauge set, evacuating and charging the system. Emphasis on safety. Prerequisites: None. Corequisites: FAC/HVA101 or permission of Instructor. Cross- References: FAC101LL. HVA103 3 Credits 3 Periods 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 LAB 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 0.5 Credits 0.5 Periods EPA Section 608 Technician Preparation & 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 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.