This is an advanced course in electrical control systems for HVAC, requiring that students have either previous training or field experience in the areas of control and instrumentation for HVAC. The course focuses on residential applications beginning with concepts of automation and feedback for control loops, and continuing with a presentation of operating principles of gas, oil and electric heating/cooling systems and associated equipment. Finally, indoor air quality (I.A.Q.) issues are explored. Training is provided in the operation, troubleshooting, diagnosis and repair procedures of mechanical and electrical malfunctions on boilers, furnaces, heat pumps, central cooling systems, humidifying & dehumidifying equipment and peripheral devices, as well as the operation, calibration and testing of such systems