AIRC 103 — Fundamentals of Electricity in HVAC/R — 4.0
Credits
Students explore the fundamental concepts of electricity and magnetism, and basic applications in the HVAC/R trade. Theory includes voltage, direct and alternating current, resistance, series and parallel circuits, electrical symbols and schematic diagrams, electrical safety, and basic electrical components. Emphasis will be placed on the skills to interpret basic schematics for gas heat, electric heat, and air conditioning systems.
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AIRC 106 — HVAC/R Electrical Applications — 6.0
Credits
Students further explore electrical applications in the HVAC/R field. Topics include motors, line voltage and low voltage controls, relays, transformers, and thermostats. Special emphasis is placed on the development and use of schematic and wiring diagrams for troubleshooting gas and electric furnaces.
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AIRC 107 — HVAC/R Electrical Applications Lab — 8.0
Credits
Topics will include wiring, testing, and troubleshooting of series and parallel circuits, low voltage and line voltage controls, interpretation of schematic diagrams, and electrical safety. Emphasis will be placed on wiring, testing, and troubleshooting an electric and gas furnace.
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AIRC 108 — Fundamentals of Heating Systems — 6.0
Credits
This course introduces the fundamentals of heating with forced air fuel gas burning appliances and electric heating appliances. Students will explore gas codes, venting, gas piping, the combustion process, and components of residential and light commercial heating systems. Emphasis will be placed on sequence of operation, troubleshooting, and the relationship of the electrical and mechanical functions as a complete system.
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AIRC 109 — Fundamentals of Refrigeration — 5.0
Credits
Students will explore the physics and theory governing the vapor-compression refrigeration cycle, human comfort and psychometrics, and practical applications of refrigeration systems.
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AIRC 110 — Fundamentals of Refrigeration Lab — 10.0
Credits
Students will focus on the proper use of refrigeration tools, evaluating refrigeration system performance, analyzing ladder diagrams, and troubleshooting electrical components.
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AIRC 125 — Sheet Metal Layout and Fabrication — 1.0
Credits
This course introduces the theory and practical application of sheet metal practices in duct fabrication. Topics include sheet metal tools, layout, duct fabrication, and duct installation procedures.
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AIRC 126 — Sheet Metal Layout and Fabrication Lab — 3.0
Credits
Lab component to accompany AIRC 144 Sheet Metal Layout and Fabrication. Students will use sheet metal tools, equipment, and layout procedures to fabricate and install a duct system.
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AIRC 136 — HVAC/R Safety — 1.0
Credits
This course will introduce students to the safety requirements mandated by the Washington Department of Labor and Industries and OSHA. Topics include safety standards, fall protection, electrical safety, struck-by, caught-in or between, PPE, HAZMAT, and health hazards in construction.
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AIRC 137 — Fundamentals of Heating Systems Lab — 8.0
Credits
Students will wire, troubleshoot, and repair residential and light commercial heating systems. Emphasis will be placed on developing skills to identify system problems, troubleshooting strategies, and repair procedures.
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AIRC 203 — Fundamentals of Air Conditioning — 7.0
Credits
This course continues refrigeration instruction to also include comfort cooling and air conditioning. Students will explore techniques for proper refrigerant handling, recovery, recycling, reclaim, and evacuation, in preparation for the EPA 608 Refrigerant Handling License. Electrical skills will be further developed, exploring the use of electric motors, capacitors, motor protective devices, additional controls, and code compliance.
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AIRC 204 — Fundamentals of Air Conditioning Lab — 7.0
Credits
Students will focus on the proper use of refrigeration tools, evaluating refrigeration and air conditioning system performance, analyzing ladder diagrams, troubleshooting electrical components, recovery and evacuation procedures, and brazing techniques.
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AIRC 205 — System Performance Testing — 5.0
Credits
This course will introduce students to the idea of considering the individual components as part of a complete system when evaluating performance. Topics include the measurement of system performance through airflow, critical charge, charging tables for air conditioning systems, combustion analysis for combustion appliances, economizers, fan laws, fan and blower performance, air distribution systems, and hydronics. Heat transfer in buildings and calculation of heat load will also be covered, focusing on the building as a system.
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AIRC 206 — System Performance Testing Lab — 10.0
Credits
Students will measure airflow and analyze results, evaluate system performance, and practice advanced troubleshooting procedures. Troubleshooting will include refrigeration problems, compressor replacements, electrical problems including compressors, motors, and controls, combustion problems, and airside problems.
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AIRC 207 — System Servicing and Troubleshooting of Heat Pumps — 5.0
Credits
Students will explore heat pump fundamentals, types of heat pump systems, system accessories, troubleshooting, and diagnostics. Topics include heat pump compressors, flow control, thermostats, controls, control strategies, piping, electrical and mechanical troubleshooting, and airflow. Electrical skills will be further developed, exploring the use of electric motors in heat pump systems, capacitors, motor protection devices, controls, and code compliance.
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AIRC 208 — System Servicing and Troubleshooting of Heat Pumps Lab — 10.0
Credits
Lab exercises will focus on understanding and troubleshooting the refrigeration cycle, electrical components, evaluation looking at the system as a whole, and strengthening technician skills through the use of schematic reading, troubleshooting procedures, and customer service techniques.
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AIRC 262 — Fundamentals of Direct Digital Control — 5.0
Credits
This course introduces the fundamentals of control theory and applications for direct digital control in commercial HVAC/R systems. Topics include unique characteristics of commercial buildings, commercial and mechanical systems, control theory, sensors, control strategies, control devices, basic electronics, and basic networked communication systems.
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AIRC 265 — Fundamentals of Direct Digital Control Lab — 10.0
Credits
Students will select, install, and commission a direct digital control system for a specific commercial application. Applications include a rooftop unit with economizer, geothermal heat pump, and commercial low temp refrigeration system.
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AIRC 266 — Cooperative Education Seminar — 1.0-2.0 Credits
For course description, see Cooperative Education.
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AIRC 267 — Cooperative Education Work Experience — 1.0-18.0 Credits
For course description, see Cooperative Education.
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