Introduction to Refrigeration
Introduction to basic refrigeration systems. Topics include proper and safe use of tools, identification of materials, methods of assembling refrigeration systems, and proper handling of refrigerants. Emphasis on basic system components: evaporators, compressors, condensers, and test equipment. 5 Credits (3 Lecture - 6 Lab)
Print Reading and Interpretation
Introduction to print reading for plumbing and HVAC students, involving residential and commercial applications. Course work includes study of specifications and information contained on paper as well as electronic construction drawings. (Formerly ACR127) 1 Credit ( .50 Lecture - 1.50 Lab)
HVAC Automated Design
Introduction to working with electronic construction drawings related to the HVAC industry. In response to the now-common practice of sending job drawings by disk, e-mail, or other electronic forms, this course provides the skills to perform these tasks along with the ability to do simple drawing modifications. 1 Credit ( .50 Lecture - 1.50 Lab)
Refrigeration Applications-Commercial Systems/Equipment
Introduction to commercial refrigeration systems, different types of refrigeration systems, and their methods of operation. Skill development includes understanding and identifying the types of controls required to control temperature, air circulation, and defrost procedures; performing refrigeration load calculation; and selecting equipment-all in accordance with the guidelines of The Clean Air Act of 1990 related to commercial refrigeration. 4 Credits (2 Lecture - 6 Lab) Prerequisite(s): ACR111. Corequisite(s): ACR126.
Refrigeration Applications-Commercial Installation/Service
Principles and best practices used to recognize and correct installation errors and service problems in commercial refrigeration systems, as well as to troubleshoot mechanical and control malfunctions affecting the operation of commercial refrigeration systems. Course work includes designing and using electrical diagrams for installation and service of commercial refrigeration systems. 4 Credits (2 Lecture - 6 Lab) Prerequisite(s): ACR111. Corequisite(s): ACR124.
AC/R Systems and Equipment
Collaborative analysis, involving students with various technical backgrounds, of the basic characteristics and functions of applied commercial building and industrial facility AC/R systems. Designed to merge common skills and provide exposure to the specifics of identity, application, and operation of central liquid chillers, packaged DX systems, unitary equipment, and rooftop units. Theory and practical application cover the importance of AC/R systems for comfort and process, types of systems, how systems work, identification of AC/R system components, the properties of air and water vapor, and the use of psychometric charts for ACR process analysis. Emphasis on ASHRAE ventilation standards, IAQ basics, and introductory control point strategies. 3 Credits (2 Lecture - 3 Lab)
Air Conditioning Systems I
Introduction to the air conditioning aspect of the heating, ventilation, air conditioning, and refrigeration (HVACR) industry. Designed to provide entry-level knowledge and skills needed to perform installation, troubleshooting, and service on residential and light commercial air conditioning systems, including split-system air conditioning units, package air conditioning units, and water-cooled air conditioning systems. 3 Credits (2 Lecture - 3 Lab) Prerequisite(s): ACR111. Corequisite(s): ACR238.
Air Conditioning Systems I (Load Calculation and Design)
Introduction to the theory of heat gain, including the parameters used in determining a cooling load needed to provide total comfort. Topics include environmental conditions, load factors, construction materials, solar effects, and psychrometric characteristics. Skills developed include the ability to produce accurate cooling load calculations and properly size cooling equipment. 2 Credits (1 Lecture - 3 Lab) Prerequisite(s): ACR111. Corequisite(s): ACR236.
CFC and Refrigeration Management
Study of the environmental impact of refrigerants and the laws that regulate how they must be handled. Designed to provide the knowledge and sensitivity required to work responsibly in the field. Analysis of the laws on venting and handling of CFC, HCFC, and HFC refrigerants covered in the Clean Air Act - Section 608. Course work prepares students to acquire U.S. Environmental Protection Agency (EPA) certification for handling the refrigerants, through the Refrigeration Environmental Protection Association, Inc. 1 Credit (1 Lecture - 0 Lab)
Advanced HVAC System Service
Advanced study of the vapor-mechanical compression refrigeration system specific to the heat pump, liquid chiller, environmental chamber, and clean room application. Discussion and laboratory practice covers advanced equipment and system installation, operation, and service techniques, with emphasis on the service of advanced equipment. Additional topics include residential and commercial ventilation and exhaust systems. 3 Credits (1 Lecture - 6 Lab) Prerequisite(s): ACR236 and ACR238.
Warm-Air Heating and Duct Design
Instruction and practical application of skills needed to professionally install, maintain, and service fossil-fuel fired and electric-resistance warm air furnaces and systems. Emphasis on medium- and high-efficiency furnace design technology, exhaust gas venting methods, treated air distribution application, and electric/electronic control. Topics include indoor climate comfort, fossil-fuel combustion, furnace construction, air movement, electrical wiring, electronic control, pilot types, ignition processes, efficiency testing, fossil-fuel piping, bi-product venting, duct assembly, air filtration, and distribution system balancing. 3 Credits (2 Lecture - 3 Lab) Prerequisite(s): ACR111 and PLH112 or ACR111 and PLH111.