Google Nest Thermostat Pro User Manual
- June 15, 2024
Table of Contents
Google Nest Thermostat Pro User Manual
This is your comprehensive guide to setting up and installing Nest thermostats.
Don’t have time to read through the steps?
Jump straight to the ADDITIONAL RESOURCES to watch the installation video. If
you are pre-drilling holes, use a 3/32” drill bit. If you are drilling into
hard materials such as stone, brick, concrete, or marble, use a masonry drill
bit and drill.
Step 1: Switch off the power
Before exposing any wiring, make sure the power to the system is turned off.
An HVAC system can have multiple breakers so make sure to turn them all off.
To check that it’s off, change the temperature on the thermostat appropriately
for heating or cooling by 5 degrees and wait 5 minutes to see if the system
turns on.
Step 2: Remove the cover of the existing thermostat Once you’re sure the
power is off, remove the thermostat cover. Some pop off, others need to be
unscrewed.
Important: Take this opportunity to also take a picture of the current
wiring.
Step 3: Check the system and get a wiring diagram
Let’s confirm this setup is compatible with a Nest thermostat by visiting the
Compatibility Checker. Here you will also get a customized wiring diagram to
show where to install the wires.
Incompatible wiring
High voltage wires
If the thermostat is labeled 120V or 240V or has thick wires with wire nuts,
the system is high voltage and isn’t compatible with the Nest thermostat. Do
not connect the Nest thermostat to high-voltage wires. Learn more.
Stranded wires
Nest thermostats are not compatible with stranded wires. Do not connect the
Nest thermostat to stranded wires. Learn more.
Step 4: Remove jumper wires and save them Remove the jumper wires and save them. The Nest thermostat doesn’t need them. Have the customer keep the current thermostat, the photo of the wiring, and any jumper wires the current thermostat uses in a safe place. This is in case they move and can reinstall the previous thermostat and take their Nest with them.
Step 5: Label the wires
If you see two sets of labels on each connector on the old thermostat’s
backplate, visit here for assistance. Peel off the labels from the
installation guide and attach them to the matching wires on the thermostat.
You can also use the white labels for additional wires if needed.
Troubleshooting wire labels
If you have labels like W, Y, or R, use the wiring diagram that you created earlier to choose which labels to attach to these wires. If you have different wire labels not covered, visit here.
Step 6: Disconnect the wires and remove the base
Important: It’s important that the power to the system is off to avoid
blowing a fuse in the equipment. If you blow a fuse, the Nest thermostat won’t
turn on or may display a power error after installation. After removing the
base, gently wrap the wires around a pen or pencil to ensure they don’t fall
back into the hole in the wall. Ask the customer if they’d prefer to patch the
wall themselves or if they would rather use the included trim plate (sold
separately for the Nest Thermostat) to help hide scratches or screw holes.
Step 7: Mark where screws will go
Use the built-in bubble level to make sure the Nest thermostat is level.
Step 8: Attach the Nest base
If the customer is going to use the optional trim plate, place it on the wall
before installing the Nest base.
Tip: The Nest trim plate can be painted to match the color of the wall.
If the customer wants this, make sure it’s painted before installation. This
is to avoid getting paint on the wiring, Nest base, or the thermostat display.
Pull the wires through the center of the base, then attach it to the wall with
the screws.
Important: Use a screwdriver, not a power drill to drive in screws for the Nest base. Drills can easily over-tighten the screws and crack the base and damage its electronics. Use the bubble level to make sure the Nest thermostat is leveled. The Nest screws are self-tapping, so there’s no need to drill into soft materials. If you need to drill into harder things like wood, use a 3/32” or 2.5mm drill bit.
Step 9: Connect the wires
Connect the wires to the Nest thermostat base by following the wiring diagram
that you got from the Nest Compatibility Checker. Press down on the connector
button and insert the wire as far as it will go in, then release the button.
The connector button should stay down. This confirms that the wire is properly
seated. If the button doesn’t stay down, take the wire out, straighten it, and
put it back in as far as it will go. You may need to strip the end of the wire
to make sure enough copper is exposed.
Important: Do not put more than one wire in each connector on the Nest
base.
Important: Do not connect any “spare” wires to your Nest thermostat that
were not connected to your old thermostat. Only use the wires on your Nest
wiring diagram. After all the wires are securely connected, push them down
toward the wall to make sure they’re flush with the base. If your wires stick
out too far, they can keep your thermostat display from connecting properly.
Step 10: Attach the Nest display
Hold the display so the Nest logo is right side up. 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 the
wires further into the wall. This will make sure the wires aren’t stopping the
display from connecting to the base.
Step 11: Switch power back on
After turning the power back on, the Nest thermostat should power on
automatically. If it doesn’t turn on, you might see a blinking red light to
indicate that the battery is charging. Wait for the battery to charge or check
this article for troubleshooting steps.
Step 12: Set up the Nest thermostat
After it’s finished starting up, the Nest thermostat will guide the customer
through setup. With the Nest Learning Thermostat and Nest Thermostat E, setup
is completed through the Nest app, while the Nest Thermostat uses the Google
Home app. Customers use the app to tell the thermostat a few basics about
their home and their heating and cooling system so it can start working
efficiently for them immediately. For more on setting up visit here for the
Nest Learning Thermostat and Nest Thermostat E or visit here for the Nest
Thermostat.
Entering your Nest Pro ID
Adding your Nest Pro ID to the customers’ thermostats gives them easy access to you if they ever need help. When installing a Nest thermostat, the Pro Setup section will ask you if you’d like to enter your Nest Pro ID. Select PRO when asked if you are a PRO or HOMEOWNER, and follow the onscreen or in-app instructions.
If you’re not already signed up as a Nest Pro, go to g.co/nestpro to sign up. If the thermostat is already installed, on the Nest Learning Thermostat and the Nest Thermostat E, press the ring to access the main menu, turn to SETTINGS and press the ring again to select. Then turn the ring to NEST PRO and press to select. The thermostat will ask if you want to add your information.
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