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Step 5. Connect wires to ecobee
3
If you are replacing an existing thermostat, use the stickers as
a guide when inserting the wires into ecobee
3
terminal blocks.
The wires from the wall should plug easily into the terminal
blocks. To release a wire, press down on the lever.
When installed correctly, the back of the terminal block
will be down. Give each wire a little tug to ensure it is
secured.
Rc
G
Y1
W1
(AUX1)
O/B
ACC-
ACC+
W2
(AUX2)
Y2
C
R
H
If you installed the PEK in step 3,
the R (or Rc or Rh) always connects to
the Rc terminal on the ecobee
3
.
You do not need to jumper Rh or Rc –
ecobee
3
does it automatically.
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