Engineering Technologies and the Trades

To develop basic skills to prepare students for a career in the HVAC&R industry

• Graduates secure employment in the HVAC&R Industry.
• Students successfully complete the required coursework.

To prepare the students to successfully pass Section 608 of the EPA.

• Students successfully pass EPA section 608 licensing exam.

To prepare the students to be safe and competent HVAC&R technicians.

• Students will follow safety procedures.
• Students will demonstrate ability to troubleshoot oil and gas heating systems and develop a corrective action plan.
• Students will demonstrate ability to troubleshoot split air conditioning systems and develop a corrective action plan.
• Students will demonstrate ability to troubleshoot commercial refrigeration systems and develop a corrective action plan.

To prepare students to apply basic technical concepts to the solution of HVA&R electrical systems

• Students will be able to employ measurement techniques and laboratory apparatus for verification of refrigeration, heating, and air conditioning electrical circuit operation

To prepare students to communicate effectively

• Students will construct and confidently deliver clear written and oral laboratory experiment reports.
• Students will communicate appropriately with instructors, peers, and staff.

To prepare students to interact effectively in a diverse society.

• Students will collaborate in laboratory activities to complete assigned projects.
• The student will demonstrate openness toward diverse points of view, and draw upon knowledge and experiences of others to function as a team member.

To promote environmental awareness & proper refrigerant handling.

• Students will follow proper refrigerant usage procedures as outline by the Montreal Protocol & the Clean Air Act of 1990

To prepare students to demonstrate information literacy.

• Students will use traditional and contemporary information technology.
• Students will identify, access, and appropriately use authoritative sources of information.

College Seminar is an opportunity for students to develop the skills necessary to improve the chances for success in the college environment. General College procedures, the fundamental notions of time management and study skills, and the specific responsibilities of today's students in a variety of local and global environments are discussed. One or more collaborative projects will be an integral part of the course. Corequisites: The course must be taken in the student's first thirty hours of study. General first year courses would usually be taken at the same time.

This course prepares the student to perform effectively in both the oral and written contexts of occupational communications. A blend of formal lectures and student participation, the course includes practice in giving oral presentations, writing business letters, resumes, memos, instructional materials and reports, and using visual aids. This is a highly practical course specifically designed for students in A.O.S. degree programs. Prerequisite: A minimum score of 38 on the Nelson-Denny Reading Test and appropriate evaluation on the placement test writing sample; or succesful completion of DS050, DS051, or SL115 and succesful completion of EN099 or SL116; or permission of Humanities Department Head or designee.

This course covers the four fundamental operations on integers, rational numbers, and real numbers. It includes the study of weights and measures, exponents and radicals, factoring, and linear equations, with an emphasis on technical applications. Prerequisite: An appropriate placement test result or MA045 Basic Math Skills or MA050 Introductory Mathematics.

An introductory course designed to provide the student with basic knowledge and skills necessary for personal growth in any electrical service technician program. The course includes an in-depth study of electron theory, Ohm's Law, series and parallel circuits, electrical energy and power relationships. Methods of generation of electromotive force, electromagnetism, motor principles and capacitance as these apply to D.C. circuits are included in the course. Uses, construction and calibration of voltmeters, ammeters and wattmeters are also investigated. Corequisite: MA105 Technical Mathematics 1, or permission of instructor. (Fall semester only)

This is an introductory course to familiarize service technicians with the personal computer and its software. A survey of fundamental personal computer hardware and software includes: the keyboard, the microprocessor, the mouse, disk drives, printers. The student will be introduced to the DOS and Windows operating systems and will receive "hands on" experience with a wide range of software packages such as word processing and spreadsheets. The Internet is introduced as a tool to gather information. The course ends with an introduction to the BASIC programming language which will be used to solve practical problems in the electrical/electronic field. Coverage of these topics will provide students with a minimal exposure to develop a working knowledge, proficiency and confidence in the personal computer use and capabilities. The laboratories use the IBM or IBM compatible personal computer. Quizzes, computer exercises and programs, and examinations will be the basis for grading. Corequisite: ET101 Technical Electricity I, or permission of instructor. (Fall semester only)

Fundamental theory, applications and safe operation of conventional machine tools including drill press, engine lathe, grinders, milling machines and powered saws. Includes the use of hand tools, selection of feeds-speeds, gauging and precision measurement, along with basic blueprint reading and sketching.

A wide variety of credit courses including but not limited to swimming, fitness center, badminton, tennis, golf, bowling and aerobic dance.

This course is a continuation of MA105 Technical Mathematics 1, with further topics from algebra as well as from geometry and trigonometry, and an emphasis on technical applications. Prerequisite: MA105 Technical Mathematics 1.

A continuation of the introductory electrical course designed to reinforce and apply previously acquired information to alternating current (A.C.) circuits. This course investigates A.C. sine wave generation, mutual inductance, inductive and capacitive reactance, instantaneous values of voltage and current as well as real and apparent power. Uses, construction and calibration of A.C. metering equipment are an integral part of this course. Practical application of each topic in both introductory courses will be included in all laboratory experiments conducted by students. Prerequisite: ET101 Technical Electricity 1. Corequisite: MA106 Technical Mathematics 2, or permission of instructor. (Spring semester only)

Fundamental properties of semiconductor materials and the utilization of these materials in devices such as diodes, bi-polar transistors, field effect transistors, thyristors and common substrated integrated circuits are investigated. Experiments pertain to various rectifiers, voltage regulators and elementary amplifier circuits. Emphasis is placed on student ability to construct, troubleshoot, modify and repair those circuits considered fundamental to the operation of electronic equipment. Prerequisites: ET101 Technical Electricity 1, MA105 Technical Mathematics 1, or permission of instructor. (Spring semester only)

The interpretation of diagrams is an important part of the maintenance and repair technician's job. The course will start with a review of basic electricity and schematic symbols. The course will then include interpretation of the four main types of drawings being used in the field: pictorial, schematics, wiring and ladder diagrams. Co-requisite: ET102 Technical Electricity 2, or permission of instructor.

This course covers the basic physics as applied to the refrigeration and air conditioning industry. Flaring and soldering techniques, compressor construction and domestic refrigeration, including characteristics of automatic controls as applied to domestic refrigeration. Prerequisites: MA105 Technical Mathematics 1 and ET101 Technical Electricity 1, or permission of instructor. (Spring semester only)

A wide variety of credit courses including but not limited to swimming, fitness center, badminton, tennis, golf, bowling and aerobic dance.

This course is geared to the heating, refrigeration and air conditioning technician. The course will have a blend of theory and practice suitable for the vocational-technical student or the industry practitioner who wishes to upgrade his or her background. Electrical principles, components, meters, schematics and systems are discussed and applied to modern small and large scale installations. Prerequisite: ET102 Technical Electricity 2. (Fall semester only)

An introduction to the art of electrical wiring. Installation of electrical equipment provides the student with the opportunity to combine related information and manipulative skills with the practical aspects of wiring methods for complete electrical systems. All temporary laboratory controlled wiring is installed in compliance with the current National Electrical Code and provides experience in cable, conduit, surface raceway, service entrance, low-voltage control, annunciator and intrusion detection systems. Prerequisite: ET102 Technical Electricity 2, or permission of the instructor.

This course covers the components of refrigeration for commercial and industrial systems. Included are systems requirements and the application of components to develop built up systems. Prerequisite: ET108 Refrigeration 1 or VT133 Refrigeration and Air Conditioning 1. (Fall semester only)

This course covers calculations of heat loss and gain, based on the residential and commercial level. Humidification, dehumidification, and air mixture problems are covered. Determination of U factors is taught to enhance the accuracy of overall calculations. Ventilation, exhaust loads, and standards are also taught. This course provides a working background in psychometrics. It begins with simple heat properties of air and works up to complex air mixture problems. Prerequisite: ET108 Refrigeration 1, (ET221 Heating & Air Conditioning may be taken concurrently.) or VT133 Refrigeration and Air Conditioning 1. (Fall semester only)

A wide variety of credit courses including but not limited to swimming, fitness center, badminton, tennis, golf, bowling and aerobic dance.

This course introduces combustion techniques in oil and gas furnaces. Cad cells, stack controls, oil primary controls and other safety devices are studied. Basic principles are applied to the solution of problems of heat transfer. Types of systems involving both residential and small commercial heating and air conditioning are covered. Split systems, hydronic systems, electric heat, heating and air conditioning controls, and package equipment are discussed. Heat pumps are emphasized. Prerequisite: ET108 Refrigeration 1. (ET220 Heating & Air Conditioning 1 may be taken concurrently.) or VT133 Refrigeration and Air Conditioning 1. (Spring semester only)

This course covers refrigerant piping techniques and designs for commercial and industrial use. Refrigeration load calculating and equipment selection for commercial and industrial applications, and proper air handling techniques are also studied. Prerequisites: ET209 Refrigeration 2 and ET220 Heating and Air Conditioning 1. (Spring semester only)

This course will provide the student with the study of special refrigerant and electrical controls used in transport refrigeration. Problems that are unique to the industry will also be discussed. This course will also include fundamental approaches to gasoline and diesel engine principles. Prerequisite: ET209 Refrigeration 2. (Spring semester only)

This course covers the design and installation of modern hydronic (water-based) heating and cooling systems in residential and small commercial buildings. Among the topics covered are: hydronic heat sources, fluid flow in pipes, circulators, terminal units, system sizing, distribution piping layout, controls, valve selection, expansion tanks, freeze proofing and balancing. Prerequisite: ET220 Heating & Air Conditioning 1 or permission of instructor. Corequisite: ET221 Heating & Air Conditioning 2.

A wide variety of credit courses including but not limited to swimming, fitness center, badminton, tennis, golf, bowling and aerobic dance.