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Heat Pump System With C-Wire Wiring Diagram
APPENDIX7.
NOTES:
• The W1 terminal is used for Auxiliary/Emergency heat or on
Dual Fuel systems
C
C
W1
W1
W2
O/B
1 4 2
Y1
Y1
RC
RC
RH
RH
G
G
3
FAN
AUX/EMER HEAT
CHANGEOVER VALVE
COMPRESSOR
TRANSFORMER
HEAT PUMP THERMOSTAT
