Use and Care Manual
ecobee wire labels
Label wires at your:
Thermostat Control Board
Control board
Y
W
G
C
R
STEP 5
Take your Power Extender Kit, wire labels,
tools, your smartphone, and go to your
HVAC system.
TIP Your HVAC system can most often be found in your basement or
your attic.
STEP 6
Open your HVAC system’s cover to reveal
the control board.
WARNING HVAC systems contain high voltage wires. Use caution
when working with the control board.