Step 2 Diagram - Ecobee ecobee4 Install Manual

HU MIDI FIE R / DEHUMI DI FIER ( 1-WIR E SETUP)
Step 2: Wire the humidifier/dehumidifer
as shown below.
R
C
G
Y1
Y2
O/B
PEK
(24V)
Humidifier/
Dehumidifier Solenoid
NOTE During setup, select 2-wire (ACC+, ACC-) accesory on the
thermostat screen.
C
R
H
C
W1
W2
ACC-
ACC+
R C G Y W
Furnace
Control Board