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