Lennox ComfortSense 7500 Installation And Setup Manual page 20

H/C
Stages
Locked =
NO
H/C
Stages
Locked =
YES
SET­
SP -1.5
POINTS:
H/C
Stages
Locked =
NO
H/C
Stages
Locked =
YES
SET­
SP -3.0 SP -2.5
POINTS:
Figure 8. Heating - Non-Heat Pump or Heat Pump w/o Backup Heat - 1 or 2 stages
1st stage
OFF
2nd stage
OFF
1st stage
OFF
2nd stage
OFF
SP -1.0 SP -0.5
Figure 7. Cooling - 1 or 2 Stages
2nd stage
ON
2nd stage
ON
SP -2.0 SP -1.5
1st stage
ON
Stg1 Differential
1st stage
ON
Stg1 Differential
SP +0.5
SP
1st stage
ON
Stg2 Differential
1st stage
ON
Stg2 Differential
SP -1.0
20
Stg2 Differential
Stg2 Differential
SP +1.0 SP +1.5
Stg1 Differential
2nd stage
OFF
Stg1 Differential
SP
SP -0.5
2nd stage
ON
2nd stage
ON
SP +2.0
1st stage
OFF
1st stage
OFF
2nd stage
OFF
SP +0.5