Carrier TP-WEM01 - Page 25

22
WIRING DIAGRAMS (Cont.)
Air Conditioner
or Heat Pump
Boiler
Stage 2 Heat and Cool (If Applicable)
*Reversing Valve for Heat Pumps Only
Rc
G
Y/Y1
W/W1
(AUX1)
O/B
ACC–
ACC+
W2
(AUX2)
Y2
C
R
H
Y1
Y2
RCG
Y2Y1 C
O/B*
W1 W2R
Air Handler
O/B
R
W1**
**Do not connect W1 at HP (set enabled w/ defrost)
A14504
Fig. 13 -- Boiler or Radiant System With Fan Coil
and Conventional Cooling or Heat Pump