APR 107F - HVAC Electrical Circuit II

Registered Apprentice with Rogue Valley HVAC/R JATC.

Course Description: This course covers common control components found in HVAC systems. Specific devices include contactors, relays and overloads, thermostats, pressure switches and other electric control devices, and heating control devices.

Course Learning Outcomes:

• CLO#1: Explain the purpose and features of contactors, relays and overloads in their sequence of operation in HVAC applications. (ILO: Communication)
• CLO#2: Describe the operation of a thermostat in heating and cooling applications.
• CLO#3: Explain the purpose of pressure switches and their application in HVAC systems. Include safety considerations.
• CLO#4: Troubleshoot electrical thermostats and control devices using testing equipment, schematics, and factory information and equipment limitations.