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Course Criteria
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3.00 Credits
HAC 104 is a series of lectures and lab experiences designed to familiarize the beginning technician with the electrical principles as they relate to alternating and direct current, the operation of various types of circuits, and basic wiring diagram (schematic) reading and drawing. Other topics for consideration include concepts and principles of generating and distributing electricity and electrical circuitry; safety; basic circuit characteristics, Ohm's Law and Watt's Law.
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3.00 Credits
HAc 119 is an introduction to the basic principles used by architects and draftsmen to make architectural and structural drawings. It is designed for the student who desires a basic knowledge of blue print reading and construction knowledge, as well as those who will enter the construction, electrical, or HVAC fields. Topics will include views, scales, symbols, projection, footings and foundations, notations and elevations. Structural and trade specific information used in residential and light commercial building construction will be used to solve possible problems that may be encountered.
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3.00 Credits
HAC 125 will provide the student with the background and skills to perform various piping operations pertinent to heating field. Topics to be covered include basic and specialty tools used for copper, black iron, copper-finned baseboard, and steam radiation. Piping layout, hydronic heating systems sizing, zoning, hot water and steam boiler piping, Hydronic controls and radiant heat layouts will be covered.
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3.00 Credits
HAC 131 will introduce the student to the theory and application of the basic refrigeration cycle as it applies comfort air conditioning equipment. This is the first of four air-conditioning courses and will cover air conditioning applications including installation and service of window air conditioners, split system residential air conditioners, packaged a/c units and light commercial systems. The student will be introduced to the refrigerants presently in use as well as alternative refrigerants and refrigerant oils.
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3.00 Credits
HAC 132 discusses the theory and application of the basic refrigeration cycle as it applies to refrigeration. This is the second of a series of courses dealing with air conditioning and refrigeration covering refrigeration applications that includes installation and service of residential refrigerator and freezers, icemakers, walk-in coolers and freezers, and light commercial systems. The student will be introduced to the specialized components and controls needed for refrigeration systems. Included in this course is a field trip to witness first- hand the operation of supermarket rack and heat-reclaim systems.
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3.00 Credits
HAC 135 introduces the student to the application and systematic approach to understanding the operation, maintaining, servicing and installing residential oil burner systems. This course will give the students the necessary skills to perform annual maintenance on modern oil burner systems. Included will be discussions on types of fuel oil, high-pressure burners, basic electrical wiring diagrams, electrical components, anc combustion testing and start-up procedures. Sizing nozzles, combustion chambers, and fuel pumps, piping oil tanks, testing fuel units, and general troubleshooting techniques will be covered.
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3.00 Credits
HAC 140 is a continuation of the basic electricity course that is designed to help the student understand electrical circuits as they relate to the HVACR equipment. Topics include safety and operating switches; alternating current circuitry; single- and three-phase transformers and motors; relays, contractors, and solenoid switches; control and timer circuits, wiring diagrams and symbols; and open motor and hermetic compressor testing. Electronic controllers used in the HVACR industry will be introduced to the student.
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3.00 Credits
The students will study and apply psychrometrics and HVAC duct system design using manual and computer based load calculations. HAC-145 deals with application, installation and maintenance of HVAC equipment in residential, commercial and light industrial environments. Topics will include heating/cooling load estimating, air distribution and balancing, duct design and fabrication, and psychrometic operations.
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3.00 Credits
HAC 150 studies the various types of heating systems available in this region today. The course is designed to use schematic diagrams to follow the sequence of operations of HVACR equipment in use today that incorporates the state of the art electronic ignition systems and solid-state controls. The operations of oil-fired, gas-fired, electric furnaces and heat pumps are covered. The subject of human comfort levels is an important component of this unit of study. Heating systems evaluation, zoning and hydronic heat conditions that affect human comfort and the basic laws of thermodynamics will complete the course of study.
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3.00 Credits
This course is a continuation of the Electrical Maintenance I, with single- and three-phase electrical voltage systems, motors, controls, programmable logic control devices and components being covered. Emphasis will be placed on troubleshooting, maintenance and repair of three-phase controllers and motors, lighting system problems and HVACR equipment. The introduction of electronic devices, HVACR controls and energy management systems will also be discussed.
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