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.

This course develops the skills necessary to improve success in college. It covers general College procedures, time management and study skills, and specific student responsibilities. Collaborative projects are included. Corequisites: This course must be taken in the student’s first fifteen hours of study.

This course covers the effective oral and written contexts of occupational communications. It includes practice in oral presentations, business letters, resumes,memos, instructional materials and reports, and visual aids. It is designed specifically forA.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 successful completion of DS050,DS051, DS081 or SL115, and successful completion of EN099 or SL116.

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.

This introductory course provides the basic knowledge and skills necessary within any electrical service technician program. It includes an in-depth study of electron theory, Ohm's Law, series and parallel circuits, as well as electrical energy and power relationships. Also included are methods of generation of electromotive force, electromagnetism, and motor principles and capacitance as these apply to DC circuits. Uses, construction, and calibration of voltmeters and ammeters are investigated. Corequisite: MA105 Technical Mathematics 1.

This introductory course covers the personal computer and its software for electrical service technicians. It includes a survey of fundamental personal computer hardware: the keyboard,microprocessor, mouse, disk drives, and printers. It introduces DOS and Windows operating systems and hands-on experience with software packages such as word processing and spreadsheets. It concludes with an introduction to BASIC,which is used to solve practical problems in the electrical/electronic field. (Fall Semester)

This course introduces the theory and practices of metal removal, as practiced in industry. The set-up and safe operation of conventional machine tools are stressed, along with their capabilities and limitations. Common processes such as drilling, grinding,milling, threading, and turning are used. Topics include speeds and feeds, metal cutting theory, cutting fluids, selection of tooling, fixturing, precision measurement, and layout procedures, 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.

This course is a continuation of ET101 Technical Electricity 1. It reinforces previously acquired information and applies it to alternating current (AC) circuits. It investigates AC sine wave generation, mutual inductance inductive and capacitive reactance, and instantaneous values of voltage and current as well as real and apparent power. Uses, construction, and calibration of AC metering equipment are an integral part of this course. Practical application of each topic in both introductory courses are included in all laboratory experiments. Prerequisite: ET101 Technical Electricity 1. Corequisite: MA106 Technical Mathematics 2.

This course investigates the 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. Experiments pertain to various rectifiers, voltage regulators and elementary amplifier circuits. Emphasis is placed on constructing, troubleshooting, modifying, and repairing those circuits considered fundamental to the operation of electronic equipment. Prerequisite: ET101 Technical Electricity 1, MA105 Technical Mathematics 1.

This course covers the types, application, and use of electrical/electronic drawings. It includes schematic diagrams and symbols as well as the operation of electro-mechanical devices. The course differentiates between schematics and wiring diagrams. It develops the use of block diagrams, schematics, ladder-logic diagrams, wiring diagrams, assembly drawings, and bills of material. Topics include Programmable Logic Controllers (PLCs), Basic Relay PLC Instructions, PLC Timers and Counters, and PLC programs in the form of PLC ladder diagrams. Co-requisite: ET102 Technical Electricity 2.

This course covers basic physics as applied to refrigeration and air conditioning. It includes flaring and soldering techniques, compressor construction, and domestic refrigeration, including characteristics of automatic controls. Prerequisites:MA105 Technical Mathematics 1 and ET101 Technical Electricity 1. (Spring Semester)

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

This course is intended for the heating, refrigeration, and air condition technicians. It provides HVAC students with theory and practicum in motors and controls, networking protocols, and automated building systems. The course has a blend of theory and practice suitable for vocational-technical students or industry practitioners who wish to upgrade their backgrounds. Electrical principles, components, meters, schematics, and systems are discussed and applied to modern small and large scale installations. Prerequisite: ET102 Technical Electricity 2 or permission of the Department Head.

This course is an introduction to electrical residential wiring. It covers all of the essential elements regarding electrical installations in the home, including code making bodies, devices, boxes, conductors, outlets, light fixtures, ceiling fans and service entrances. All temporary laboratory wiring is installed in compliance with the current National electrical Code, providing experience in cable, conduit, surface raceway, service entrance, low-voltage control, annunciator, and intrusion detection systems. Corequisite: ET101 Technical Electricity 1.

This course covers the components of refrigeration for commercial and industrial systems. It includes systems requirements and the application of components to develop built-up systems. Prerequisite: ET108 Refrigeration 1, orVT133 Refrigeration and Air Conditioning 1. (Fall semester)

This course covers calculations of heat loss and gain, based on the residential and commercial level. It addresses humidification, dehumidification, and air mixture problems, along with the determination of U factors to enhance calculation accuracy. It includes ventilation, exhaust loads, and standards, along with a working background in psychometrics. It begins with simple heat properties of air and concludes with complex air mixture problems. Prerequisite: ET108 Refrigeration 1, orVT133 Refrigeration and Air Conditioning 1. (ET221 Heating and Air Conditioning 2 may be taken concurrently.) (Fall Semester)

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.It covers cad cells, stack controls, oil primary controls plus safety devices. Basic principles are applied to problem-solving in heat transfer. Types of systems involving 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, along with heat pumps. Prerequisite: ET108 Refrigeration 1 orVT133 Refrigeration and Air Conditioning 1. (ET220 Heating and Air Conditioning 1 may be taken concurrently.)VT133 Refrigeration and Air Conditioning 1. (Spring semester)

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 studied. Prerequisites: ET209 Refrigeration 2 and ET220 Heating and Air Conditioning 1. (Spring semester)

This course covers the refrigerant and electrical controls used in transport refrigeration. It discusses problems unique to the industry and includes fundamental approaches to gasoline and diesel engine principles. Prerequisite: ET209 Refrigeration 2. (Spring semester)

This course covers the design and installation of modern hydronic (water-based) heating and cooling systems in residential and small commercial buildings. Topics include 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 and Air Conditioning 1. Corequisite: ET221 Heating and Air Conditioning 2.

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