Lennox ComfortSense 7500 Installation And Setup Manual page 39

Back­
up/In­
Backup/
Indoor
Comp.
Heat
stages Stages
GAS/OIL
OR
Non
ELEC.
1
HP
Non
HP NONE 1
GAS/OIL
OR
Non
ELEC.
2
HP
GAS/OIL
OR
Non
ELEC.
HP 2
Non
HP NONE 2
door 1st 2nd
Heat Heat
Heat Heat
Stage Stage
Stages
2 2 W1 W1+W2
0
1 1 W1
2 2 W1 W1+W2
0
3rd Heat 4th Heat 1st Em Heat
Stage Stage
39
2nd Em
heat
Cool
Stage
Stage Stages
1
1
2
2
2
1st 2nd
Cool Cool
Stage Stage
Y1
Y1
Y1 Y1+Y2
Y1 Y1+Y2
Y1 Y1+Y2