Heating, Refrigeration and Air Conditioning Techniques
Heating, Refrigeration and Air Conditioning Technician

Courses

• First Year - Semester One
• COMM1066 Communications-Common Core
• This course prepares students to be successful in college communication and is foundational for workplace communications.
• HRAC1000 Electrical Fundamentals
• This course introduces students to the theoretical and practical concepts of basic electricity and electrical circuits related to heating, refrigeration and air conditioning systems and applications. Students also learn to use and apply basic electrical test meters. Lab exercises reinforce both basic circuit design and meter usage.
• HRAC1008 Gas Fundamentals
• Students are introduced to the characteristics, properties, fundamentals, and safety aspects associated with natural gas and propane. They will describe the combustion process, and the problems arising from incomplete combustion, and identify the different testing methods for carbon monoxide and gas leaks. Students will identify and select the appropriate tools and documentation to properly, and safely, install a piping tubing system. Students also learn to reactivate a previously installed or converted appliance, clean and lubricate an appliance and clean, remove or replace a vent connector, venting or a draft control device. This course includes an introduction to the Ontario Occupational Health and Safety Act, WHMIS and general safety
  requirements for a job site, as well as specifications by certified manufacturers for equipment installation.
• HRAC1001 Refrigeration 1
• Students are introduced to theory and practices related to refrigeration systems. Topics include: the origin of refrigeration, basic hand tools, the refrigeration cycle, the four mechanical components and safety aspects to be considered. Students participate in tubing connection
  projects on flaring, swaging and tube bending from data on mechanical drawings and will be expected to identify, care for, and safely use hand tools.
• MATH1052 Technical Math 1-HRAC
• In this course, students demonstrate basic analytical skills and are prepared for further studies in mathematics. Topics include basic number systems and operations, basic algebraic operations and
  equations, units and measurement, and solving word problems.

• First Year - Semester Two
• HRAC1005 Electrical Controls for HRAC
• This course provides students with an overview of a building electrical service and basic circuits. Students learn the principles and applications of electromechanical and electronic controls and
  control circuits that are used in heating, refrigeration and air conditioning systems. Skills in interpreting, designing, and applying different types of wiring diagrams are developed and practiced throughout the course. Electromagnetic theory will be introduced through practical applications. The electrical and operational characteristics of control components, such as relays, pressure switches, flow switches, timers, solenoids and ignitors will be discussed. Emphasis will be placed on reading schematic wiring diagrams, wiring, and troubleshooting control circuits containing relays, timers, motor starters and controls. This course will also introduce the student to the Electrical Construction and Maintenance Worker's Safety Manual and the safe use of fastening devices and power actuated tools. Project work will replicate typical on the job work orders.
• HRAC1009 Gaseous Fuels: Supply and Venting Requirements
• Students in this course are introduced to gas and propane fired water heaters, forced warm air heating systems, and other gas appliances in both classroom and lab environments. This course also introduces the theoretical and practical application of cylinders, tanks, gas meters and regulators, along with the related code requirements. Students learn how to determine venting and combustion air requirements for propane and natural gas fired heating systems and install and operate conversion burners. Students will interpret manufacturers’ specifications and drawings to place and install various classes of gas fired equipment and learn how to convert appliances from natural gas to propane and propane to natural gas.
• HRAC1004 Refrigeration 2
• This course applies the fundamentals learned in Refrigeration 1 to more complex systems. Students will advance their understanding of refrigerants and their applications and characteristics. Through the use of pressure-enthalpy, pressure-temperature and psychrometric charts, students will perform various system calculations to determine component selection, sizing and system balancing. Students will study equipment and component parts, including pipe sizing and the application of refrigeration components. Students will also be introduced to the operation and characteristics of air to air and air to water heat pumps.
• GNED1100 Becoming a Global Changemaker
• This Loyalist College graduate attributes course will help shape your perspectives, broaden your understanding of important issues affecting our societies today, and equip you with invaluable knowledge and skills that will inform your ability to influence your community in a meaningful and impactful way. By exploring topics such as cultural competency, Indigenous education, entrepreneurship, sustainability, health and wellness, and ecological literacy, you'll be equipped with a powerful toolkit that extends far beyond the classroom.

• Second Year - Semester Three
• HRAC2000 Air Conditioning 1
• This course introduces the fundamentals of the mechanical cooling cycle including, operating principles and function, operating temperatures and pressures, procedures for plotting a mechanical cooling cycle on a mollier diagram, the application of various refrigerants and safety considerations. Students describe the operating principles and function of compressors, metering devices, condensers, evaporators and accessories used in a mechanical cooling cycle. They learn to install, troubleshoot and maintain mechanical cooling systems including fans, heat pumps, air handling system and air cleaners.
• HRAC2001 Building Code and Engineering Practices
• This course introduces students to the code requirements, materials, sizing and joining methods for piping/tubing systems used in heating, ventilation and air conditioning (HVAC) and refrigeration (R) systems. Emphasis will be placed on the code requirements for natural gas and propane piping/tubing systems. Students will learn the fundamentals of print reading and scaling drawings to examine and interpret working drawings, including identifying industry recognized symbols, abbreviations and building code requirements. Labs will be used to reinforce the methods of joining steel, copper and plastic materials.
• HRAC2008 Gas Appliances: Installation, Service and Management
• Using the knowledge and skills gained from Gas Technician 2 (Part A), students advance to study types of natural gas and propane regulators, natural gas meters, and their associated applications and operations. High pressure piping systems will be introduced. Propane tank and cylinder placement will be discussed, along with the effect of location on safety and performance. Students will install venting and combustion air components required for gas fired appliances according to industry standards, as well as troubleshoot various service situations. Students will select equipment based on customers’ needs and available equipment. Project work will replicate a typical residential forced air gas heating system installation, along with all necessary documentation.
• HRAC2002 Residential HVAC System Design
• Students will learn the requirements and procedures for calculating the heat loss and heat gain for residential dwellings and become familiar with the heating, ventilation and air conditioning (HVAC) equipment selection method necessary to meet the building's heating and cooling requirements. Students will also learn the requirements for designing and sizing an air distribution system based on the Heating, Refrigeration and Air Conditioning Institute of Canada (HRAI) and the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. (ASHRAE) standards pertaining to residential buildings.
• GNED General Education Elective
• General Education Courses

• Second Year - Semester Four
• HRAC2004 Air Conditioning 2
• Students build on the knowledge and skills they acquired in Air Conditioning 1, and Refrigeration 1 and 2, to learn to the fundamentals of installing, operating, and maintaining air conditioning systems for Industrial, Commercial and Institutional (ICI) buildings. Students learn to interpret thermodynamic tables; plot or determine cooling cycles from pressure enthalpy information; and describe the application of fluorocarbons, ammonia, and other refrigerants used in air conditioning
  systems in ICI applications. Students also learn to interpret design documentation, plan and prepare for an installation, describe installation procedures, and describe charging and commissioning of refrigeration and air conditioning for an ICI application.
• HRAC2005 Building Systems and the Environment
• Students will learn how to operate test equipment and identify systems using manufacturers' data, customer needs and building system requirements. They will research, and document future green heating and cooling systems that will become viable to the customer. Students study and communicate the principles of heat, moisture, air flow, the building envelope, and the effects on indoor air quality as well as the basic functions of ventilation systems. Students examine the alternatives to fossil fuels and refrigerants, as well as historical, contemporary and future technologies.
• HRAC2003 Decorative Appliances and Home Comfort
• In this course, students will install and commission various types of gas fired appliances, including vented and non-vented systems, using the knowledge and skills learned in their previous Gas Technician courses. Topics include organization of materials and tools, piping systems layout and sizing, and interpretation and application of associated tables and codes needed for appliance installation. Project work will replicate typical on the job work orders.
• HRAC2006 Hydronic Systems
• Students will study types, components and methods of installation for hydronic heating systems while ensuring installation is in accordance with codes and manufacturer's guidelines. Water heaters and hot water combination systems will also be addressed, including proper selection and sizing to meet customer requirements.
• HRAC2007 Professional Communications for HRAC Technicians
• Communicating effectively in the workplace is a key component of career advancement and essential skills development. This course builds on the skills students learned in Communications. The ability to read, understand, reframe and deliver technical information to varied audiences is critical in a competitive marketplace. Students are exposed to a variety of common communication challenges related to working in their field of study. To meet these challenges, students are required to do basic research and data gathering, to summarize and reframe written, oral and visual information and to present their findings to a defined audience in an appropriate medium or media. Students will learn to communicate with customers to evaluate and diagnose concerns.
  Prerequisite: COMM 1056
• GNED General Education Elective
• General Education Courses

*Courses subject to change.