Topic Description
The course includes the following content: - Two types of line voltage thermostats: electro-mechanical and electronic, as well as cut-in temperatures and differentials.
- Low voltage transformers, including step-down and the 60VA transformer.
- Standard thermostat wiring color code, switching modes and the necessities of anticipators in thermostat operation.
- How solid state circuitry has augmented the functionality of thermostats
- Three basic controls of a gas furnace, as well as their function in the furnace operation and appearance on a schematic diagram.
- Fan relays and the significance of their normally open and normally closed contacts.
- Types of gas burner controls and view them on a wiring diagram.
- Direct ignition controls, modules, and wiring diagram
- Electric heating controls such as, resistance heaters and sequencers, as well as view the schematic of an A/C with electric heat.
- Helpful tips in solving tricky intermittent issues for customers.
