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Energy Systems Technology - HVACR

EST-100: Refrigeration and Air Conditioning Basics I, Credits = 5
Provides student an understanding of properties and laws of energy and physics that allow the electrical and refrigeration processes to work while learning industry related safety, trade tools, types of fasteners, copper tube bending, flaring, soldering and brazing, and pipe threading.

EST-101: Refrigeration and Air Conditioning Basics II, Credits = 5
Explores the basics of calibrating trade instruments, environmental management of refrigerants and refrigeration oils. Labs will include window air conditioners, PTAC and PTHP operation, recovery, evacuation and charging techniques in the lab, use of digital temperature meters and gauge manifold to determine operating parameters. Students will learn electrical related components, read and draw schematics, wiring related to the NEC, use of DMM to measure Ohms and volts, and ammeter to read current, will be covered in the lab with emphasis on normal operating parameters and troubleshooting. Prerequisite: EST 100 or instructor permission.

EST-103: Introduction to Wind Energy, Credits = 3
Covers fundamentals of wind energy focusing on wind production practices for all sizes of turbines, power distribution, and net metering. Recommended: READ 088 or higher, CS 100.

EST-110: Refrigeration and Air Conditioning Mechanical Equipment, Credits = 6
Mechanical equipment used in the refrigeration and air conditioning trade and practice on proper troubleshooting and repair methods are covered. Proper application and repair of evaporators, condensers, compressors, expansion devices, and special components will be analyzed. Prerequisite: EST 100 or 101; or instructor permission.

EST-115: Industrial Mechanics/Maintenance - Wind Machines, Credits = 5
Addresses the needs of the multi-crafted maintenance technician and presents an all-encompassing view of the field of industrial maintenance, which covers a variety of technical skill areas. These include, but are not limited to: mechanics (mechanical installation, fluid power, piping systems, power transmission, print reading, and safety to name a few), and welding (gas welding and arc welding).

EST-120: Air Conditioning Systems, Credits = 6
Applies psychometrics to residential and light commercial package and split comfort air conditioner systems. Air Conditioning system installation and operating parameters in a Green Environment will be covered with emphasis on electrical and mechanical component operation and safety, compliance with NEC and the UMC will be taught to include maintenance, troubleshooting and repairs in typical AC equipment. Prerequisites: EST 100 and 101; or instructor permission.

EST-131: Principles of Electricity Theory, Credits = 5
Introduction to electrical theory and terminology, electrical safety, direct current (DC), electrical energy sources, conductors, resistance, circuit types, Ohm's law, circuit calculations and measuring instruments, magnetism, alternating current (AC) single and three phase generation and circuits, and introduction to the National Electrical Code.

EST-132: Principles of Electricity AC Application, Credits = 5
Provides a practical application of alternating current (AC) generation and operational circuits. Typical wiring practices of single and three phase wiring of plugs, receptacles, lighting, panel, disconnects, conduit, capacitors, power and control transformers, DC generators, AC alternators, an introduction to DC and AC motors. Prerequisite: EST 132 and passing grade of C or higher in EST 131 or instructor permission.

EST-133: Introduction to Controls, Credits = 5
Electrical safety and introduces control principles, operation, symbols & electrical diagrams, wiring, adjustment, and testing procedures for pressure, temperature, level and flow controls used in application of operational and safety controls of all industries. Manual, electric-mechanical, mechanical-electric and electronic controls will be covered. Prerequisite: EST 131, or grade of C or higher in EST 132, or instructor permission.

EST-134: Electrical Raceways, Credits = 3
Provides training in electrical raceways types, tools and procedures used in the electrical industry. Gain a working knowledge of appropriate tools and procedures in bending and installing various types of raceways in compliance with the NEC® and electrical safety.

EST-144: Industrial Safety in the Workplace, Credits = 3
Industry OSHA-10 Safety Certified Training, Workforce Safety Modules for personal and equipment safety. CPR, Medic First Aid and AED certificate training will be provided. Topics include lock out tag out, safe use of ladders, scaffolds, platforms, and power tools; First Aid, CPR, fire extinguishers, ventilation and employer safety responsibilities. Students with current or OSHA 10 or first aid may take reduced adjusted credits.

EST-150: Motors and Motors Maintenance, Credits = 6
The practical aspects of types and applications of single and three phase motors motor controls are covered. Applied electrical symbols, wiring diagrams, basic motor operation, connection wiring, testing and maintenance of motors, automatic and electronic motor controls. Prerequisite: EST 131 or grade of C or higher in EST 132; or instructor permission.

EST-159: Hydraulics and Pneumatics, Credits = 3
Explores the basic principles of hydraulic and pneumatic systems, industry terminology, mechanical symbols, system components, energy and personal safety, completing calculations, review of operations and maintenance. Recommended: EST 100.

EST-165: Crane Rigging and Material Handling, Credits = 3
Designed to teach the techniques of safely lifting and moving loads of various shapes, sizes, and types. Also covered is tooling, and hand and radio signals. Prerequisite or Co-requisite: EST 115, Industrial Mechanics/Maintenance-Wind Machines.

EST-175: Tower Rescue and Climbing Competency, Credits = 1.2
Provides students with the knowledge and skill sets needed to be able to ascend a wind turbine tower, work on the unit, descend the unit, and perform self-rescue and partner rescue in emergency conditions. This is a two day course which exceeds the minimum requirements set by OSHA and NIOSH for the tower erection industry. Prerequisite: Must be enrolled in the Wind Energy Technology program.

EST-191: Cooperative Work Experience, Credits = 1 - 18
Opportunity to work in jobs directly related to the energy systems industry. This formal training period is agreed upon by the student, employer, and instructor. Prerequisite: Instructor permission.

EST-192: Cooperative Seminar, Credits = 2
Students explore issues related to their cooperative work experience focusing on effective workplace relationships and how self-knowledge, perception, attitudes, and behavior affect these relationships and job satisfaction. Students will also learn effective learning skills for workplace and educational success. Co-requisite: EST 191.

EST-199: Special Topics, Credits = 1 - 10
Study and train to meet established local needs in the energy systems technology industry, supplemental to courses currently offered. Prerequisite: Instructor permission.

EST-200: Ductwork Design and Fabrication, Credits = 3
Demonstrate a heat loss/gain calculation to determine proper load for a residence, students will perform equipment sizing and selection, use duct calculator to design supply and return ductwork. Air distribution and air balance, duct component fabrication and installation, duct sealing duct PTSA duct testing will be covered to give student understanding and application for energy savings using green technology. Prerequisite: Instructor permission.

EST-220: Ammonia Refrigeration Systems, Credits = 3
Introduction to operation, maintenance, and repair of industrial refrigeration and ammonia systems. Application of refrigeration and electrical knowledge acquired from previous courses to understanding operation and maintenance of industrial refrigeration with emphasis on Ammonia (R717) and safety.

EST-240: Intro to Basic Electronics, Credits = 5
Introduction to solid-state theory and basic electronic components. Students will study solid-state theory, operation, and testing of solid-state components and devices to include diodes, thermistors, transducers, photocells, transistor, SCR, Diac, Triac, SS relays, photoelectric and proximity controls. Prerequisite: EST 131 and grade of C or higher in EST 132, or instructor permission.

EST-250: Introduction to PLC and DDC Control, Credits = 5
Programmable logic controllers (PLC) for industrial control, an direct digital controls (DDC) for building automation. Students will gain an understanding of terminology, components, programming, interfacing and operation of PLC controls, and be introduced to DDC components, functions and operation in building automation and energy management. Prerequisite: EST 150 and grade of C or higher in EST 240 or instructor permission. Recommend: CS 100

EST-252: Principles of Power Generation and Distribution, Credits = 5
Introduction to the common components and applications of electrical generation and distribution systems. The operation and maintenance of those systems will also be covered. Prerequisite: EST 132 or instructor permission.

EST-260: Introduction to the National Electrical Code, Credits = 2
Course introduces student to the National Electrical Code (NEC), and the Washington Administrative Code (WAC), and Revised Code of Washington (RCW) as it relates to the electrical industry to familiarize students with legal code and electrical safety. May be taken as a preparation of industry technicians preparing to take the certification exam.

EST-264: Heating Systems and Heat Pumps, Credits = 8
An operational understanding required to perform the installation, maintenance and repair of residential and light commercial heating equipment to include operation and analysis of electrical and mechanical components for: electric heat, gas heat, oil heat, hydronic heat and air to air heat pump and water to air heat pump. Student will learn electrical, gas piping, and venting requirements per code requirements. National Certification exams will be given in electric heat, gas heat and heat pumps. Prerequisite: EST 120 or instructor permission.

EST-265: Commercial Refrigeration Equipment, Credits = 8
Explores design and operational requirements of low and medium temperature commercial refrigeration systems. Provides a basic understanding of typical commercial and supermarket refrigeration systems with emphasis on operation and system analysis to determine faults. National Certification exam will be given. Prerequisite: EST 110 or instructor permission.

EST-270: Principles of Business Management, Credits = 5
Introduction to various fundamentals of Business including the history of business, typical business forms, accounting, management styles, and customer service skills.

EST-292: Cooperative Seminar II, Credits = 2
Explore issues related to the cooperative work experience focusing on effective workplace relationships and applying leadership skills to promote personal development. Provide professional improvement through techniques such as effective communication, conflict resolution, team building, employee engagement and decision making. Co-requisite: EST 191.

EST-297: Special Projects, Credits = 1 - 18
Project-oriented experiences in the area or applications not covered in the standard energy systems technology curriculum. Prerequisite: Instructor permission, based on evaluation of student's education and work experience.