nest Power Connector User manual

Nest Power Connector
Installation Guide
Guide d’installation

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Setup process
1. Install your Nest thermostat
2. Update your thermostat
3. Turn o the power at the circuit breaker
4. Open the HVAC equipment cover
5. Find the HVAC control board
6. Label the thermostat wiring
7. Install the power connector
a. Cooling and heating system
b. Heating-only system
c. Cooling-only system
d. No C-terminal
8. Close the HVAC cover and turn on the power
9. Conrm 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.
Basic safety
Read all installation instructions and the safety and
warranty guide before installation.
High voltages may be present! Be sure to turn
o the power at the breaker panel or unplug
your heater and/or air conditioning unit before
aempting installation or disconnecting
any wires.
Use caution when accessing your heater and/or
air conditioning unit. Call a pro if you are not
comfoable installing this product. Installation
will require access to wiring, and may require
the use of ladders or working in locations with
lile space. Use a helper if possible and avoid
installing the device when home alone.
Technical specications
Operating temperature: -22° to 140°F (-30° to 60°C)
Voltage rating: 20-30 VAC
Ingress protection: IP51

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ENGLISH
Setup process
1. Install your Nest thermostat
2. Update your thermostat
3. Turn o the power at the circuit breaker
4. Open the HVAC equipment cover
5. Find the HVAC control board
6. Label the thermostat wiring
7. Install the power connector
a. Cooling and heating system
b. Heating-only system
c. Cooling-only system
d. No C-terminal
8. Close the HVAC cover and turn on the power
9. Conrm 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.
Basic safety
Read all installation instructions and the safety and
warranty guide before installation.
High voltages may be present! Be sure to turn
o the power at the breaker panel or unplug
your heater and/or air conditioning unit before
aempting installation or disconnecting
any wires.
Use caution when accessing your heater and/or
air conditioning unit. Call a pro if you are not
comfoable installing this product. Installation
will require access to wiring, and may require
the use of ladders or working in locations with
lile space. Use a helper if possible and avoid
installing the device when home alone.
Technical specications
Operating temperature: -22° to 140°F (-30° to 60°C)
Voltage rating: 20-30 VAC
Ingress protection: IP51

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Wire labelsWire
connectors
What’s included
Nest Power
Connector
Sticky pad
Before you sta
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

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Wire labelsWire
connectors
What’s included
Nest Power
Connector
Sticky pad
Before you sta
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

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1. Install your Nest thermostat
Install your thermostat before the power connector
Install the power connector at your HVAC equipment,
not your thermostat. If you have multiple thermostats,
install at your zone controller.*
*Box where wires from multiple thermostats connect

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1. Install your Nest thermostat
Install your thermostat before the power connector
Install the power connector at your HVAC equipment,
not your thermostat. If you have multiple thermostats,
install at your zone controller.*
*Box where wires from multiple thermostats connect

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3. Turn o the power at the
circuit breaker
This protects you and your equipment
2. Update your thermostat
Nest Thermostat
Go to Seings >Version >Update and get
version 1.1 or later
Troubleshooting
• You may see a wiring error. This’ll go away
aer installing the power connector.
• Adjust your thermostat target temperature
so your system isn’t heating or cooling.
This can prevent some errors.
• Replace thermostat baeries 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/whichthermostat

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3. Turn o the power at the
circuit breaker
This protects you and your equipment
2. Update your thermostat
Nest Thermostat
Go to Seings >Version >Update and get
version 1.1 or later
Troubleshooting
• You may see a wiring error. This’ll go away
aer installing the power connector.
• Adjust your thermostat target temperature
so your system isn’t heating or cooling.
This can prevent some errors.
• Replace thermostat baeries 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/whichthermostat

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5. 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, nd the thermostat wires.
4. Open the HVAC equipment cover

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5. 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, nd the thermostat wires.
4. Open the HVAC equipment cover

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How to use wire connectors
1. Li the levers to 90 degrees. The levers are sti
2. Inse the wires and snap down the levers
3. Pull gently on the wires to check that
they’re secure
6. Label the thermostat wiring
Take a photo of the wiring. Your wiring may
look dierent.
If your HVAC terminals aren’t labeled, see advanced
instructions at g.co/nest/powerconnectoradvanced

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How to use wire connectors
1. Li the levers to 90 degrees. The levers are sti
2. Inse the wires and snap down the levers
3. Pull gently on the wires to check that
they’re secure
6. Label the thermostat wiring
Take a photo of the wiring. Your wiring may
look dierent.
If your HVAC terminals aren’t labeled, see advanced
instructions at g.co/nest/powerconnectoradvanced

Thermostat wires
Compressor
(AC) Unit Wires
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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 aach
the power connector to the panel
7. Install the power connector
A. Cooling and heating system
Wire the power connector to Y

Thermostat wires
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7. Install the power connector
B. 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 aach
the power connector to the panel

Thermostat wires
Compressor
(AC) Unit Wires
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7. Install the power connector
C. 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 aach
the power connector to the panel

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8. 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.
7. Install the power connector
D. 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

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8. 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.
7. Install the power connector
D. 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

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9. Conrm power connector
installation
For Nest Thermostat, go to Seings >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