Easily Understand Ecobee3 Lite Wiring Diagram

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Ecobee3 Lite Wiring Diagram

Are you looking for a comprehensive guide to understand the Ecobee3 Lite wiring diagram? You have come to the right place! In this post, we will explain all the components of the wiring diagram, their functions, and how they interact with each other. By the end of this article, you will have a good understanding of how the Ecobee3 Lite works.

Components of Ecobee3 Lite Wiring Diagram

The Ecobee3 Lite wiring diagram includes the main components such as the transformer, furnace, thermostat, and power control board. The transformer provides power to the other components. The furnace is responsible for heating or cooling the home. The thermostat controls the temperature in the home. And finally, the power control board connects all the components together.

Understanding the Wiring

The wiring diagram shows you how each component is wired together. The main components are connected to the transformer, which is connected to the power control board. The power control board is then connected to the furnace and thermostat. The thermostat is connected to the furnace, which is connected to the transformer. This connection is responsible for providing power to the thermostat and furnace.


The Ecobee3 Lite wiring diagram is a great tool to help you understand how the various components of the system work together. With a basic understanding of the components and their functions, you will be able to troubleshoot any potential issues with the system. If you have any questions about the wiring diagram, it is best to contact a professional for assistance.