Objectives

• After studying this unit, you should be able to
• discuss the efficiency and relative operating costs of electric heat.
• list types of electric heaters and state their uses.
• describe how sequencers operate in electric forced-air furnaces.
• trace the circuitry in a diagram of an electric forced-air furnace.
• perform basic tests in troubleshooting electrical problems in an electric forced-air furnace.
• describe typical preventive maintenance procedures used in electric heating units and systems.

Next: Advance to the Learning Center Dashboard and complete the lessons.