Ecobee ecobee4 - HVAC System Wiring Diagrams

Rc
G
Y1
Y2
O/B
PEK
ACC-
ACC+
W2
W1
C
R
H
Y1 Y2 C Y1 Y2 W1 W2 R C G
WIRING DIAGRAM
Conventional heating and cooling
(up to 2 stages each).
Air Conditioner Furnace
Stage 2
heat
and cool,
if applicable
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.