Step 20 (Guide 2) - Ecobee ecobee4 Install Manual

STE P 20
First, connect these 3 wires as shown:
Then, connect any remaining wires to
their corresponding terminal.
TIP Press the terminal block levers to insert the wires more easily.
Rc, C, PEK
Rc
G
Y1
Y2
O/B
PEK
R
H
C
W1
W2
ACC-
ACC+