28
WIRING DIAGRAMS (cont.)
Furnace Air Conditioner
Heat Stage 2 O/B W2
Heat Stage 1 W W/W1
Cool Stage 1 Y1 Y1
Cool Stage 2 Y/Y2 Y/Y2 Y/Y2
Fan G G
24VAC Hot Heating Rh R R
24VAC Hot Cooling Rc
DHUM
24VAC Common C COM C
Y1
Thermostat
(NA)
*
* Remove jumper when using split power (Indoor and Outdoor units
utilize separate transformers).
A12240
Fig.8 -- Variable Speed,Step Modulating,Multi--Stageand Single--StageFurnacewith 2--StageAir Conditioner