Google Nest Net Power Connector Installation Guide

Contents hide

1 Google Nest Net Power Connector

2 Basic safety

Google Nest Net Power Connector

Google Nest Net Power Connector-product

Basic safety

Read all installation instructions and the safety and warranty guide before installation.
High voltages may be present! Be sure to turn off the power at the breaker panel or unplug your heater and/or air conditioning unit before attempting installation or disconnecting any wires.
Use caution when accessing your heater and/or air conditioning unit. Call a pro if you are not comfortable installing this product. The installation will require access to wiring, and may require the use of ladders or working in locations with little space. Use a helper if possible and avoid installing the device when home alone.

Technical specifications

Operating temperature: -22° to 140°F (-30° to 60°C)
Voltage rating: 20-30 VAC
Ingress protection: IP51

Setup process

Install your Nest thermostat
Update your thermostat
Turn off the power at the circuit breaker
Open the HVAC equipment cover
Find the HVAC control board
Label the thermostat wiring
Install the power connector
- Cooling and heating system
- Heating-only system
- Cooling-only system
- No C-terminal
Close the HVAC cover and turn on the power
Confirm power connector installation

Compatibility
Nest Thermostat, Nest Thermostat E, Nest Learning Thermostat 3rd gen. 24V VAC systems only. Millivolt or high voltage systems are incompatible.

Before you start

Watch an install video at g.co/nest/powerconnectorinstall
Professional installation recommended
Connect with an independent installer who’s trained to install Google Nest products at g.co/nest/install
Get advanced instructions at g.co/nest/powerconnectoradvanced

What’s included

Google Nest Net Power Connector-fig.1

Install the power connector at your HVAC equipment, not your thermostat. If you have multiple thermostats, install them at your zone controller.*

Google Nest Net Power Connector-fig.2

*Box where wires from multiple thermostats connect.

INSTALLATION

Install your Nest thermostat
Install your thermostat before the power connector
Update your thermostat
Nest Thermostat
Go to Settings > Version > Update and get version 1.1 or later
Troubleshooting
- You may see a wiring error. That’ll go away
  after installing the power connector.
- Adjust your thermostat target temperature
  so your system isn’t heating or cooling.
  This can prevent some errors.
- Replace thermostat batteries if prompted
  Nest Learning Thermostat 3rd gen and Nest Thermostat E
  No need to update
  Find additional instructions at g.co/nest/nestpowerconnectorupdate To check which thermostat you have, visit g.co/nest/which thermostat
Turn off the power at the circuit breaker

This protects you and your equipment
Open the HVAC equipment cover
Find the HVAC control board

This is the main circuit board in your HVAC that is wired to your thermostat. If you don’t have a control board, find the thermostat wires.
Label the thermostat wiring
Take a photo of the wiring. Your wiring may look different.
If your HVAC terminals aren’t labeled, see advanced instructions at g.co/nest/powerconnectoradvanced
How to use wire connectors
- Lift the levers to 90 degrees. The levers are stiff
- Insert the wires and snap down the levers
- Pull gently on the wires to check that they’re secure
Install the power connector
- Cooling and heating system
  
  Wire the power connector to Y
  Your system may have extra wires, like a G wire (to the thermostat) and C and Y wires (to the compressor). Keep them connected. Properly terminate any loose wires
  Optional: Use the sticky pad to attach the power connector to the panel.
- Heating-only system
  
  Your system may have extra wires, like a G wire (to the thermostat).
  Keep them connected.
  Properly terminate any loose wires
  Optional: Use the sticky pad to attach the power connector to the panel
- Cooling-only system
  
  Your system may have extra wires, like a G wire (to the thermostat) and C and Y wires (to the compressor). Keep them connected. Properly terminate any loose wires
  Optional: Use the sticky pad to attach the power connector to the panel.
- No C-terminal
  Professional installation recommended
  Connect with an independent installer who’s trained to install Google Nest products at g.co/nest/install
  Find advanced instructions at g.co/nest/powerconnectoradvanced
Close the HVAC cover and turn on the power
To turn on your power and thermostat, the HVAC cover must be closed. Your system may not turn on with the cover open.
Confirm power connector
installation
For Nest Thermostat, go to Settings > Equipment to check that your power connector is installed For Nest Learning Thermostat 3rd gen and Nest Thermostat E, there’s no need to check For help, visit g.co/nest/checkpowerconnector