Air Conditioning Refrigeration AIRC 110 – 3 Credits HVACR Shop Skills Covers how to identify and use the special tools of the HVACR trade involved with basic shop practices. Examines the procedure for duct installation; identification of types of tubing usage in refrigeration; and the proper setup and use of the power drill press, post grinder, and hand and power pipe-threading machine. Corequisite: MATH 013 or MATH 081 or MATH 071 Lab fee: $40.00 AIRC 115 – 3 Credits Fundamentals of Refrigeration Introduces the compression refrigeration cycle, common refrigerants and their applications, and the theory of heat transfer as related to the refrigeration process. Teaches how to evaluate system performance and how to use tools and equipment for service and installation procedures such as charging, evacuating, and leak detection. Prerequisites: ENGL 051 or ESOL 042 and RDNG 051 or ESOL 044 and MATH 081 Lab fee: $40.00 AIRC 121 – 1 Credit EPA Refrigeration Certification Reviews Environmental Protection Agency (EPA) regulations and procedures to properly handle regrigerants and prepares students for the EPA Technician Examination. Field experience is beneficial as the topics are covered quickly and assumes the student has prior knowledge. An additional fee is required for the test. Prerequisites: AIRC 115 or instructor approval. AIRC 205 – 3 Credits Heating Systems Studies the construction and operation of gas fired, oil fired, and electric forced air heating equipment (and other related systems as time allows); introduces procedures for installing, testing, and adjusting and maintaining heating equipment. Corequisites: MATH 081 and ELEA 101 Lab fee: $40.00 AIRC 210 – 3 Credits Comfort Cooling Systems Applies the theory and principles of refrigeration to comfort cooling and explains the use of electric heat pumps in residential and light commercial applications. Describes the regulations and procedures that apply to refrigerant recovery, recycling, and reclaiming and offers hands-on laboratory work in recovery and troubleshooting. Prerequisites: AIRC 115 and ELEI 101 Lab fee: $45.00 AIRC 212 – 3 Credits Energy Control Strategies Addresses all devices that are used to regulate energy use in buildings: from pneumatic to electric to electronic: from manual to automatic; from simple switches to microprocessors. An emphasis is placed on identifying and solving control calibration problems and improving energy efficiency through redesign and energy control strategies. Pre-requisites: AIRC 205, AIRC 210, ELEI 101 or approval of program coordinator. AIRC 214 – 3 Credits Residential Estimates and Sales Explores the procedures used to calculate costs for residential and commercial HVAC installation and services. The course emphasizes both hand calculations and computer programs to estimate accurate charges. Students develop skills necessary for success in sales of HVAC systems, parts, services and new installations. Prerequisites: AIRC 115, AIRC 205, AIRC 210 or approval of program coordinator. AIRC 215 – 3 Credits Residential Load Calculations & Air Distribution Introduces methods to calculate heat losses and gains (loads) for residential and commercial applications using the Air Conditioning Contractors of America (ACCA) Manual J and Manual D procedures and computer software programs. Students learn to select the proper heating and cooling equipment for maximum comfort and energy efficiency. The course also introduces air side equipment, components from manufacturers' specifications and various instruments used to test and balance air distribution systems. Prerequisite: AIRC 210, AIRC 205, or approval of program coordinator Lab fee: $25.00 AIRC 222 – 3 Credits Commercial Refrigeration Systems Investigates the methods and procedures used to analyze and diagnose problems with ice machines, reach-in coolers and freezers, and walk-in coolers and freezers. Emphasis is placed on light commercial type equipment . Students practice diagnostics through simulation and hands-on practice. Prerequisites: AIRC 115, AIRC 210, ELEI 101, ELEI 201 or approval of program coordinator. AIRC 223 – 3 Credits Commercial HVAC Systems Explores the technology used in commercial, institutional and industrial cooling systems. Course work includes analysis of system performance and diagnosis of problems. Students examine equipment such as reciprocating and centrifugal chillers, absorption systems, cooling towers, fans and air handlers. Emphasis is placed on psychrometrics, pressure-enthalpy diagrams and commercial load calculations. Prerequisites: AIRC 205, AIRC 210, ELEI 101, ELEI 201 or approval of program coordinator. AIRC 224 – 3 Credits Commercial Control Systems Incorporates both theory and hands-on learning in the areas of electronic controls, pneumatic controls and direct digital control (DDC) systems as each applies to a Heating, Ventilating and Air Conditioning (HVAC) system. Course work will center on system components, writing diagrams, calibration and sequences of operation, problem analysis and troubleshooting and installation methods. Pre requisites: AIRC 205, AIRC 210, ELEI 201 and ELEI 101 or approval of program coordinator.