Lennox ComfortSense 7500 Installation And Setup Manual page 48

Back­
Backup/ up/In­
Comp.
Indoor
door
stages
Heat Heat
Stages
GAS/OIL
Non
OR
1
HP
ELEC.
Non
NONE 1
HP
GAS/OIL
Non
OR
2
HP
ELEC.
GAS/OIL
Non
OR
2
HP
ELEC.
Non
NONE 2
HP
1st 2nd
Heat
Heat Heat
Stages
Stage Stage
2 2 W1 W1+W2
0
1 1 W1
2 2 W1 W1+W2
0
3rd Heat 4th Heat 1st Em Heat
Stage Stage
48
2nd Em
Cool
heat
Stage Stages
Stage
1
1
2
2
2
1st 2nd
Cool Cool
Stage Stage
Y1
Y1
Y1 Y1+Y2
Y1 Y1+Y2
Y1 Y1+Y2