WIRING DIAGRAMS (cont.)
Thermostat | Furnace | Air Conditioner |
Heat Stage 2 (NA)
Heat Stage 1
Cool Stage 1
Cool Stage 2
Fan
*
24VAC Hot Heating 24VAC Hot Cooling
24VAC Common
O/B
W
Y1
Y/Y2
G
Rh
Rc
C
W2
W/W1
Y1
Y/Y2
G
R
DHUM
COM
Y1 |
Y/Y2 |
R |
C |
*Remove jumper when using split power (Indoor and Outdoor units utilize separate transformers).
A12240 |
Fig. 8 - Variable Speed, Step Modulating, Multi-Stage and Single-Stage
Furnace with 2-Stage Air Conditioner
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