There are a couple of options available to create a c wire and make the ecobee compatible. Some thermostats do not have a c wire.
2e0c0 Ecobee Smart Thermostat Wiring Diagram Wiring Resources
Ecobee thermostat wiring diagram. This step requires you to work with wiring at your hvac control board. A c common wire must be identified at the furnaceboiler system for the fast stat to connect to. Ecobee4 wiring diagram beautiful how to install ecobee3 lite no c. Initial setup and registration. Ecobee3 lite with pek for heatpumps ecobee support new wiring. Thermostat installation wiring diagrams.
The r wire must go into rc instead of rh. Check compatibility with your hvac system. This diagram illustrates the wiring connections for a heat pump system with auxiliary heating. In most homes installing an ecobee thermostat is an easy process that takes about 45 minutes. How to set up your ecobee. Heat only 2 wire boilerfurnace installations for ecobee thermostats.
3 wire heat only thermostat r g w installing your ecobee with a boiler and ac dual transformer system. The c wire is used to reliably provide power to the thermostat. 347 how to repurpose an extra wire as a c wire. If you have a c wire it will power your ecobee. Ecobee3 lite wiring diagrams. Smartthermostat with voice control and ecobee4 wiring diagrams.
Installing your ecobee thermostat with a c wire. If you have an extra wire that isnt connected to any terminal on your thermostat you can use it as a c wire. Smartthermostat with voice control and ecobee4 wiring diagrams the following wiring diagrams are for the smartthermostat with voice control and ecobee4 thermostats and common hvac equipment configurations. Ecobee3 manages auxiliary heating through the w1 w2 if there is more than 1 stage of aux heat terminals outputs. Download the ecobee app for step by step installation instructions. You wont need the pek included in the box.
W2 aux and or e emergency wiring connections will normally connect to the ecobee3 w1 terminal. You will not be required to run a new wire from your thermostat to your furnaceboiler. Ecobee4 wiring diagram collections of ecobee wiring diagram beautiful fast stat mon maker thermostat wire. If you are not comfortable working with your hvac wiring contact ecobee. In this scenario the power extender kit pek is not compatible. 3 wire heat only thermostat r g w if you have a heat only system you may notice that your thermostat has three wiresr g and w.
Follow the steps below or scroll down for installation guides wiring diagrams troubleshooting tips and more. In this case the pek can use the existing wires to power your thermostat. Thermostat installation wiring diagrams. These diagrams are also available within the installation guide included with your smartthermostat with voice control. Ecobee4 wiring diagram unique how to install ecobee3 lite no c wire. Below is a diagram illustrating how the ecobee would be wired with the common maker in this scenario.
Gallery of Ecobee Thermostat Wiring Diagram
