Ecobee ecobee4 - Wiring Digram

Rc
G
Y1
Y2
O/B
PEK
ACC-
ACC+
W2
W1
C
R
H
Y1 Y2 R C G
Y2Y1 C O/B* W1 W2R
Air
Handler
Air Conditioner
or Heat Pump*
Boiler
WIRING DIAGRAM
Boiler or radiant system with air handler
and conventional cooling or heating.
*Stage 2 heat
and cool,
if applicable
*Reversing
valve for heat
pumps only
NOTE Do not connect any jumper wires between Rc and Rh. ecobee does this
automatically. The R wire needs to go into the Rc terminal on
your ecobee.