It is easy to install your Nest Learning Thermostat. Follow these steps if you have just purchased the Nest Learning Thermostat. You only need what is in the box. This is how to set up your Nest smart thermostat.
- Check that your Nest Thermostat can communicate with your system. This information can be viewed online by Nest Compatibility Checker .
The Nest Thermostat can be used with standard HVAC systems. It is not compatible with high voltage systems. It will not work with high-voltage systems if your thermostat is 110, 120 or 240 Volts.
- Turn off the HVAC system. Locate the circuit breaker, and then turn the switch off. This is crucial as it will protect you and your system. You can also switch off the main power at breaker box.
Notice: Turn off your thermostat to ensure your system is not on. Wait a few minutes before turning it on again.
- Take the faceplate off your old thermostat . It is possible that you will need to remove the cover of your thermostat using a different screwdriver (not in the box). This will expose the wires.
Note: Nest suggests that you take a photo of your wires using your smartphone so that you can make sure you don’t accidentally mix up any.
- Lebel your current wires . Use the labels included with your smart thermostat to wrap your wires. This will prevent them from getting mixed up. The label should correspond with your current wiring system. Wrap the label around wires that are going to ports labeled “G”, for example.
Not all wires are required to be labeled. You can remove wires connecting to your thermostat from another port on your thermostat and put them aside. They won’t be needed.
- Unplug the wires from an old thermostat.
- Next, take out your old thermostat. When removing the backplate from a wall, be careful not to lose any labels.
- Next, attach the Nest base plate to the wall. Attach the base plate to the wall using the included screws and screwdriver. Attach the base plate by running the wires through its center. Attach the baseplate top first, and make sure to use the built-in level for straightening.
Not too tight a fit will result in damage to the sensors. It is important to only screw it in enough that it stays put and doesn’t move.
Not all models come with a trim plate. This allows you to cover any marks left by an old thermostat. Simply attach the base and trim plate together, and screw them to the wall. If you have any wall markings or holes, you can fix them now.
- Connect the wires to your Nest Thermostat. You’ll find connector buttons on the base of the Nest Thermostat. Simply press these buttons and insert the wires into the ports. Then, release the buttons. After inserting the wires, make sure that the connector button is still down. Otherwise, your device might not work properly. You can access a Nest app wiring diagram for more assistance.
Notify your thermostat that you only connect one wire to each port. Don’t connect wires that were not connected to the old thermostat. You can trim and strip the ends of wires that aren’t straight. The wire should be left exposed for 3/8 inch. Then push the wires in so that they are flush with your baseplate.
- Attach the Nest display to the Nest Thermostat base. Push the display into the base until it clicks in place. Connect your device upside-down.
- Restart the power. Turn the circuit breaker on again. After you are done, the Nest Thermostat will turn on automatically.
- Follow the on-screen instructions for setting up your device.