Google Nest Power Connector Guide D'installation page 11

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.
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