30
Heat pump (air or geothermal)
with auxiliary heat
W2
W1
O/B
Y1 Y2 R C
W1
O/B
W2 Y1
G
Y2
R C
Rc
G
Y1
W1
(AUX1)
O/B
ACC–
ACC+
W2
(AUX2)
Y2
C
R
H
Heat pump
Air handler
Note:
Do not jumper Rc or Rh,
ecobee3 does this automatically.
R can go into either Rc or Rh
terminals on your ecobee3.
Stage 2 compressor and
auxiliary heat if applicable
Air handler