Carrier TC-PHP01-BLK Installation Manual page 28

Thermostat
Heat Stage 2 (NA)
Heat Stage 1
Cool Stage 1
Cool Stage 2
Fan
*
24VAC Hot Heating
24VAC Hot Cooling
24VAC Common
* Remove jumper when using split power (Indoor and Outdoor units
utilize separate transformers).
Fig. 4 - Variable Speed, Step Modulating, Multi- Stage and Single- Stage
Furnace with 2- Stage Air Conditioner
Furnace
O/B
W
Y1
Y/Y2
G
Rh
Rc
DHUM
C
Equipment configuration: AC
26
Air Conditioner
W2
W/W1
Y1
Y/Y2
G
R
COM
Y1
Y/Y2
R
C
A12240