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
















