HVAC II Circuits and Controls

Presents circuit diagrams for air conditioning units, reading and drawing of circuit diagrams, types of electrical controls. Includes analysis of air conditioning circuits, components, analysis and characteristics of circuits and controls, testing and servicing. Introduces electricity for air conditioning which includes circuit elements, direct current circuits and motors, single and three-phase circuits and motors, power distribution systems, and protective devices. Studies the electron and its behavior in passive and active circuits and components. Demonstrates electronic components and circuits as applied to air conditioning system. This class qualifies as 90 hours toward the Department of Professional and Occupational Regulation's 240-hour requirement for a journeyman's exam tradesman license. You can obtain 3 credits for Air 134 at John Tyler Community College with a qualifying score on their test out exam.