The following wiring diagrams are for the ecobee3 lite thermostat and common HVAC equipment configurations.
These diagrams are also available within the ecobee3 lite Installation Guide included with your ecobee3 lite thermostat. To download the complete ecobee3 lite Installation Guide CLICK HERE
For additional guidance on installing your ecobee3 lite CLICK HERE
CONVENTIONAL HEATING & COOLING
HEAT PUMP (AIR OR GEOTHERMAL) WITH AUXILIARY HEAT
BOILER OR RADIANT SYSTEM WITH FORCED AIR
* If you have 2-wire heat only boiler or furnace system, you'll find additional installation instructions via the following articles:
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