Installing your ecobee thermostat with the power extender kit no c wire if you re lacking a c wire and have at least four wires at your thermostat to work with refer to this article if you only have two wires you ll want to install the power extender kit pek. These diagrams are also available within the installation guide included with your smartthermostat with voice control.
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Power off hvac equipment step 2.
Ecobee smart thermostat wiring diagram. Remove existing thermostat step 3. These diagrams are also available within the ecobee3 installation guide included with your ecobee3 thermostat. Download the ecobee app for step by step installation instructions.
The pek gets installed at your. In most homes installing an ecobee thermostat is an easy process that takes about 45 minutes. Below is a diagram illustrating how the ecobee would be wired with the common maker in this scenario.
Check compatibility with your hvac system. Installing the smart si thermostat there are 5 steps to install the ecobee smart si thermostat. Installing your ecobee thermostat.
Can i install an ecobee smartthermostat with voice control on my ecobee4 or ecobee3 lite setup. One work around is to place a jumper between the y2 and y3 terminals on your furnace s control board. Installing your ecobee thermostat with the power extender kit no c wire getting started.
Power on hvac equipment. Disconnect the wires going to the existing thermostat. A smart thermostat to be mounted on the.
Using the wiring diagrams on pages 9 14 connect the heating or air conditioning equipment to the equipment interface. Install the smart si thermostat step 4. Thermostat installation wiring diagrams.
The r wire must go into rc instead of rh. Ems si wiring guide and connection description. Thermostat installation wiring diagrams.
Ecobee3 wiring diagrams the following wiring diagrams are for the ecobee3 thermostat and common hvac equipment configurations. Thermostat installation wiring diagrams. Connect the wiring step 5.
Ecobee thermostats do not support three stages of cooling. A wire connected to the y3 terminal on your current thermostat indicates that you have a three stage cooling system. Ecobee3 wiring diagrams.
2 stage heat 1 stage cool with 2 accessories 2 stage heat 1 stage cool with 3 accessories 1 stage heat cool with 3 accessories 3 stage heat 2 stage cool with 1. Installing your ecobee thermostat with a c wire. The ecobee smart thermostat consists of two parts see images below.
You will not be required to run a new wire from your thermostat to your furnace boiler. 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. See wiring diagrams for additional information.
A c common wire must be identified at the furnace boiler system for the fast stat to connect to. Follow the steps below or scroll down for installation guides wiring diagrams troubleshooting tips and more.
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