Carrier TP-WEM01 Installation Instructions Manual page 24

WIRING DIAGRAMS (Cont.)
Rc
G
Y/Y1
W/W1
(AUX1)
O/B
O/B W1 W2 Y1 Y2 R C O/B*
Heat Pump
Stage 2 Heat Pump and Auxiliary Heat
* Connect to O/B terminal on furnace ir fan coil, if available
Fig. 12 - - Heat Pump (Air or Geothermal) With Auxiliary Heat- -
Two Stages
R
H
C
Y2
W2
(AUX2)
ACC+
ACC–
W1 W2 Y1 Y/Y2 G R C
Fan Coil or Furnaces
A14503B
21