The Nest app will guide you through thermostat installation, but here are some more detailed instructions to walk you through everything you need to do to install your Nest thermostat on the wall.
Note: These illustrations use the 3rd gen Nest Learning Thermostat, but the steps are the same for the Nest Thermostat E.
Begin installation with the app |
The Nest app’s step-by-step instructions make it easy to install and wire your thermostat, so use it as your main guide. Refer to this article if you need extra help.
|
1. Switch off power to your system
(You may have already |
It’s important to protect your thermostat and your system. Turn Your HVAC system can have multiple breakers so make sure to
You can listen for your system to turn on, or put your hand near
|
2. Remove your thermostat’s cover and take a picture
(You may have already |
Once you’re sure the power is off, remove your thermostat’s cover. Some thermostat covers pop off, while others need to be |
3. Get a wiring diagram from the app
(You may have already completed |
To get a custom wiring diagram for installation, simply follow Nest app’s thermostat installation instructions. Important: This illustration is only an example. Each system’s
Incompatible wiring High voltage wires |
If your thermostat is labeled 120V or 240V or has thick wires Stranded wires Nest thermostats are not compatible with stranded wires. Do
|
4. Remove jumper wires and save them | Jumper wires are short wires between two connectors. The Keep your current thermostat, the photo of your wiring, and any That way if you ever decide to move and you want to take your |
||||
5. Label the wires | If you see two sets of labels on each connector on your old thermostat’s backplate refer to the picture of your old thermostat. Peel off the labels from the quick start card that came with Troubleshooting wire labels If you have labels like W, Y, or R, use the wiring diagram that you If you have different wire labels not covered here, read this If you removed your old thermostat without labeling your wires |
||||
6. Disconnect the wires and remove the base |
Important: It’s important that the power to After removing the base, we recommend gently Now is a good time to patch and paint over any |
||||
7. Mark where screws will go |
Use the bubble level to make sure the Nest thermostat is level. |
||||
8. Attach the Nest base | If you’re going to use the optional trim plate, place it on the wall Tip: You can paint the Nest trim plate to match the color of your Pull the wires through the center of the base, then attach it to Important: Use a screwdriver, not a power drill to drive in Use the bubble level to make sure the Nest thermostat is level. The Nest screws are self tapping, so there’s no need to drill into |
||||
9. Connect the wires | Connect the wires to your Nest thermostat’s base by following Press down on the connector button and insert the wire as far The connector button should stay down. This confirms that the Terminals with wires should stay pressed down. If the button doesn’t stay down, take the wire out, straighten it, Important: Do not put more than one wire in each connector on Important: Do not connect any “spare” wires to your Nest After all the wires are securely connected, push them down If your wires stick out from the wall press them down
|
||||
10. Attach the Nest display | Line up the pin connector on the back of the display and push it onto the base until it clicks into place. Tip: If you don’t hear the display click, use your thumb to push |
||||
11. Switch power back on | After turning the power back on, your Nest thermostat should Wait for the battery to charge or check this article for |
||||
12. Set up your Nest thermostat | After it’s finished starting up, the Nest thermostat will guide you through setup.Then you’ll tell your thermostat a few basics about your home and your heating and cooling system so it can help keep you comfortable and save energy.You can also connect your thermostat to Wi-Fi so you can control it with the Nest app, and download important thermostat software updates. |