Instructions / Assembly

W/W1
Y/Y1
Rc
RC RH
11 12
TIP: To install accessories (humidifi er, dehumidifi er or ventilator) please
refer to the wiring diagrams at ecobee.com/wiring
STEP 5
Carefully disconnect and label the wires from your old
thermostat one at a time, using the labels provided.
TIP: If you have a jumper between RC, RH, or R, leave it alone.
Only label the wires that run from your wall into a terminal block.
Install your ecobee
with a C wire
If you have a C wire, it will power your ecobee. You won’t
need the Power Extender Kit (PEK) included in the box.