Energy Systems Technology

EST-100: Refrigeration Basics I, Credits = 4
This course provides students with a basic understanding of the properties and laws of physics which are applicable to the electrical and refrigeration industries. Students will also be taught the core competencies of the HVACR industry.

EST-101: Refrigeration Basics II, Credits = 4
This course explores the basics of calibrating trade instruments and 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 a gauge manifold will be used to determine operating parameters. Students will learn the operations of a digital multi meter (DMM) and be able to identify and use all aspects of those meters in the troubleshooting of components and systems. Students will learn electrical related components, read and draw schematics, and wiring related to the NEC. Students will take the Federal EPA-068 Technician Refrigerant Certification Exam. 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-104: Introduction to Plant Operations, Credits = 2
Plant Operators and Technicians work for facilities that convert biomass into electricity, heat, transportation fuels, clean water, food products, and/or high value chemicals and products. Safe, skilled, and motivated technicians and operators are in demand for first generation and advanced biofuel plants, municipal wastewater treatment plants, industrial food and beverage processors, pulp and paper mills, and power utilities. This course introduces a training program which will provide a strong skill set in plant and facility operations and maintenance that is in demand by multiple industries with employment in the region.

EST-105: Applied Thermodynamics of Unit Operations, Credits = 3
Focus on the critical thermodynamics of unit operations (non-electrical), such as boilers, heat exchangers, distillation, and cooling systems that are located at all processing facilities where heat and power, transportation fuels, clean water, food and beverage products, and/or high value chemicals are produced.

EST-106: Process Control Instrumentation and Troubleshooting, Credits = 5
Learn how to manually and automatically control a process loop using a proportional-integral-derivative (PID) controller, feedback gauges and sensors, and a final control element. Math skills and knowledge of how to use a digital multimeter (DMM) are required. This course is a prerequisite for EST 285: Advanced Instrumentation and SCADA. Prerequisites: OCSUP 107 and EST 133 or instructor permission.

EST-108: Materials, Fasteners, and Raceways, Credits = 5
Learn to identify electrical materials and their applications. Students will classify, grade, and use fasteners, such as bolts, screws, and rivets. Proper torque values are explained. Provides training in electrical raceway 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-109: Job Seeking Skills for Energy and Allied Industries, Credits = 3
Learn about energy and allied industry jobs and potential employers through a series of presentations by guest speakers from industry, individual research, and information gathered by peers. Strengthen resumes, cover letters, and interviewing skills to become more competitive in the job application process. Recommended: WRITE 100 or greater, and CMST 102 or greater.

EST-110: Refrigeration Components, Credits = 5
This course covers the mechanical equipment used in the refrigeration and air conditioning industry. Students will be introduced to the proper troubleshooting techniques and practice using those techniques to repair this equipment. The proper application and repair of evaporators, condensers, compressors, expansion devices, and special components will be studied and practiced. Prerequisite: EST 100 or 101; or instructor permission.

EST-115: Industrial Mechanics, Credits = 5
This course 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 safety, mechanical installation, fasteners and torque, fluid power, piping systems, power transmission, shaft alignment, vibration analysis, and print reading.

EST-120: Air Conditioning and Heating Systems, Credits = 5
Air Condition-Heating Systems trains students in the basics of residential and light commercial package and split comfort systems. Students will be introduced to installation, operation, maintenance, and troubleshooting of comfort systems and how to maximize energy efficiency. This course will emphasize safety, code compliance in electrical and mechanical installations, system anatomy, operation, maintenance, and troubleshooting of typical residential and light commercial heating and cooling equipment. Prerequisite: Grade of C or better in EST 100 and EST 101; or instructor permission.

EST-125: Cooperative Seminar, Credits = 1
This is a seminar for students in cooperative training. A review of work ethics and job performance will be covered. Co-requisite: EST 191.

EST-130: Electricity for HVACR, Credits = 5
This course provides a practical application of electrical and electronic circuits wiring operation and troubleshooting for heating, ventilating, air conditioning and refrigeration (HVACR) circuits. Topics include electrical safety, reading control and line wiring diagrams, wiring and testing of circuits and system components, circuit protectors, use of test instruments, and applicable code requirements. Prerequisite: Grade of C or better in EST 131; 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: 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. Along with practical teaching on how to be safe in an industrial environment will be taught.

EST-145: Industrial Safety & Material Handling, Credits = 5
Industry OSHA-10 Safety Certified Training and Workforce Safety Modules for personal and equipment safety in an industrial environment. Techniques for safely lifting and moving loads of various shapes, sizes, and types will be provided. Also covered is tooling, hand and radio signals, safety around equipment, and equipment operation.

EST-150: Electric Motors and Motor Maintenance, Credits = 3
This course teaches electrical and motor safety, motor applications and characteristics, installation, operation, performance, maintenance, and repair of all AC and DC series motors. Wiring for wye and delta applications is also covered. Electronically Commutated Motors (ECM) will be included in the instruction. NEMA and NEC codes will be applied for motor installation, operations, and maintenance. Other topics will include nameplate data, torque, efficiency, connections, reversing rotation, and instruments used for motor maintenance and testing. 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: Rigging, Equipment Operation & Material Handling, Credits = 4
Designed to teach the techniques of safely lifting and moving loads of various shapes, sizes, and types. Also covered is tooling, hand and radio signals, safety around equipment, and equipment operation including forklifts, scissor lifts, and aerial man lifts.

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 = 10
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: Human Relations 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.

EST-197: Project Design, Credits = 1
Students will plan and propose a workplace (paid or volunteer) experience or research project to pursue and explore workplace leadership skills.

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 = 4
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-201: Plant Operations: Process Improvement, Credits = 3
The first portion of the course will focus on setting up projects. The first portion of the course will focus on setting up projects. The section portion focuses on process improvement to help understand that every employee at a plant (i.e., processing or manufacturing facility) has the ability and duty to help improve day-to-day operations. The third portion will focus on specific tools to improve the total quality of a process, including safety, monitoring, emergency response, and procedure writing. Recommended: EST 191 and EST 299,Leadership Seminar for Co-op or equivalent.

EST-202: Bio-Chemical Conversion, Credits = 5
The conversion of agricultural/forestry materials (biomass), organics (food and yard wastes, and dairy manure), and other solid wastes (from landfills or wastewater treatment plants) into value-added products is of significant interest today. Technologies that harness microbes to convert these materials can be deployed in many different industries to produce clean water, biogas and biomethane, renewable fuels and chemicals, heat, electricity, and soil amendment products. After some measure of pre-treatment, the lignocellulosic fabric of woody biomass is liberated into easier to use sugar units. For thousands of years, microbes have been fed sugars to produce fermented beverage and food products, and more recently, pharmaceuticals. We will review the structure of lignocellulosic biomass. The course will feature labs to produce, monitor, and analyze the fermentation and anaerobic digestion processes and their products. Recommended: WTM 190, AGPR 121, and EST 201.

EST-203: Applied Controls and Operations, Credits = 5
This course will have three learning modules to control and operate: an electric steam boiler, a biodiesel processor, and a soap processor (and/or a biomass gasifier to produce electricity. The purpose of this class is to gain hands-on experience operating three types of processes from start-up to shutdown and clean-up, including monitoring and quality assurance/quality control. Prerequisite: EST 105 and/or EST 202. Recommended: EST 105 and EST 201.

EST-204: Resource Recovery Operations, Credits = 3
EST 204 builds off of EST 201, EST 202, and WTM 205 by focusing on the use of waste products to produce energy. Many landfills and wastewater treatment facilities are re-purposing themselves as net producers of clean water and renewable energy. They now consider their plants to be Renewable Resource Recovery Operations that utilize low-cost feedstocks to generate power, heat, and fuels to lower their operating costs and/or generate revenue. Prerequisites: EST 201, EST 202, and WTM 205. Co-requisite: EST 203.

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-225: Commercial Air Conditioning Systems, Credits = 4
This course explores commercial air conditioning systems. Topics will include high-pressure, low-pressure, and absorption chillers. Cooling towers, pumps, package rooftop units, variable refrigerant flow, and variable air volume systems will also be covered. Training will focus on the operation, maintenance and troubleshooting of these systems and components. Prerequisite: EST 120 or instructor permission.

EST-234: Survey of Technical Equipment for Processing (STEP), Credits = 1 - 4
Students will gain familiarity with equipment, processes, and labs used in the Bio-products and allied industries. Course is largely hands-on in nature as students gain experience on a variety of training equipment. Two eight-hour sessions per week for four weeks.

EST-235: Introduction to Solar PV and Applications, Credits = 3
The fundamental concepts required for safe, code-compliant design and installation of photovoltaic (PV) systems will be covered with a focus on grid-direct solar electric systems. The core concepts necessary to work with all PV systems, including system components, site analysis, PV module criteria, mounting solutions, safety, and commissioning will be taught. Prerequisite: EST 132

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
Introduction to programmable logic controllers (PLC) for industrial control and 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 133 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-255: Advanced PLC's and Integrated Architecture, Credits = 5
The advanced PLC and Integrated Architecture course teaches programmable controllers by describing PLC orientation, operations, and programming languages. It covers basic PLC programming, PLC memory organization, PLC programming software and PLC program analysis. This course also introduces PLC troubleshooting by discussing levels of PLC troubleshooting, power supply troubleshooting, input troubleshooting and output troubleshooting. Skills also discussed include PLC Systems troubleshooting, event sequencing, application development, program control instructions, and math and data move instructions. Integrated architecture is the convergence of Control and Information for plant-wide optimization and builder performance. Integrated architecture delivers plant wide optimization, machine builder performance, and sustainable production and serves as a foundation to help you improve productivity with better asset utilization and system performance, promote globalization with easy access to actionable, plant-wide information, support sustainability with extended product life cycles and better asset utilization, and cultivate innovation with increased system flexibility and technical risk mitigation. Prerequisite: EST 133.

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-263: Electric Heat, Heat Pumps, and Solar Heat, Credits = 4
This course covers electric heat and heat pump technology for air-to-air, geothermal water-to-air, and water-to-water heat pumps, and solar heating. Students will learn installation, electrical components, operation, maintenance, service, and repair of electric heat, heat pumps. An introduction to solar hydronic heating systems will also be included. Applicable Codes NEC, UMC, IMC will be discussed. Students will take the national electric heat and heat pump certification exams. Prerequisite: EST 120 or instructor permission.

EST-264: Fossil Fuel Heating and Boiler Systems, Credits = 4
This course provides training for the installation, operation, maintenance, and repair of fossil fuel fired heating systems. Hydronic boilers for residential, light commercial, and steam boilers for commercial and industrial operations will be covered. Safety, operational sequence, maintenance, and troubleshooting of these systems will be taught. Applicable national electrical code, international mechanical code, the national fuel-gas code for operation, installation, and service will be included. Fuel piping and venting is also covered. Students are required to take national certification ER exams for gas heat, combustion analysis, and fuel efficiency. Prerequisite: EST 100 or instructor permission.

EST-265: Commercial Refrigeration I, Credits = 4
This course explores design and operational requirements of low and medium temperature commercial refrigeration systems. It 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-266: Commercial Refrigeration II, Credits = 4
This course trains students in the installation, operation, and maintenance of commercial ice machines, specialty refrigeration applications. Topics will include transport, truck, marine, air-cargo, rail, flash-freezing, cascade, extra-low and cryogenic refrigeration systems. Emphasis will be on typical operating conditions and troubleshooting procedures of these types of systems. Students will take the national employment ready certification [ERC] exam for light commercial refrigeration. Prerequisites: EST 110 and EST 265, or instructor permission.

EST-270: Wind Power Plant Operations and Advanced Mechanical Systems, Credits = 5
This course is an introduction to various fundamentals of the Wind Power Plant Operations, including daily routines, process and paperwork, management styles, and customer service skills. It will also cover wind turbine troubleshooting, and advanced/large mechanical systems repair.

EST-275: Robotics - Mechatronics, Credits = 5
Robotics and Mechatronics is designed to teach programming, interface and material handling, design, quality control, and production control using robotics. These skills will transfer into integrated technologies across a balance of areas, including mechanical, electrical, electronics, fluid power, and machine programming. The ability to integrate industrial robots into a control process creates great training opportunity for students. Prerequisite: EST 133, Introduction to Controls. Recommended: EST 250, Introduction to PLC and DDC Control.

EST-285: Advanced Instrumentation and SCADA, Credits = 5
Electrical safety and advanced control principles are covered in this course with a strong emphasis on instrumentation, input/output calibration, wiring, and PID loop control. We explore testing procedures for pressure, temperature, level, and flow instrumentation used in the process and manufacturing industries. This course also covers troubleshooting of industrial control scenarios through a Supervisory Control and Data Acquisition (SCADA) control center. Prerequisite: EST 106 and EST 133, or instructor permission.

EST-291: Cooperative Training, Credits = 3 - 18
Opportunity to gain work experience in an Energy related role as agreed upon by the employer, student and instructor. Students will utilize skills and knowledge learned in previous quarters. Prerequisite: Instructor permission.

EST-292: Leadership Seminar, 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.

EST-297: Special Projects, Credits = 1
Students will prepare and defend a poster or MS PowerPoint presentation (or similar) on a previously-approved workplace or research project that they developed in EST 197. Prerequisite: EST 197.

EST-299: Leadership Seminar for Cooperative Work Experience, Credits = 2
Explore issues related to the cooperative work experience focusing on effective workplace relationships and applying leadership skills to promote personal and professional development. Provides professional improvement through techniques such as effective communication, conflict resolution, team building, employee engagement, and decision making. Includes iterative problem solving exercises and an assessment of learning gains at the mid-point of workforce training. Co-requisite: EST 191.