Lennox iComfort M30 Installation And Setup Manual page 23

H/C
Stages
Locked =
NO
H/C
Stages
Locked =
YES
POINTS: SP -3.0 SP -2.5
Figure 3. Heating - Non-Heat Pump or Heat Pump w/o backup heat - 1 or 2 stages
H/C
Stages
Locked =
NO
3rd stage
H/C
Stages
Locked =
YES
3rd stage
SP -3.5 SP -3.0
POINTS:
Figure 4. Heating - Heat Pump w/electric - 3 stage (2 compressor / 1 backup OR 1 compressor / 2 backup)
2nd stage
ON
2nd stage
ON
SP -2.0 SP -1.5
2nd stage
ON
ON
Stg3 Differential
2nd stage
ON
ON
Stg3 Differential
SP -2.5 SP -2.0 SP -1.5
1st stage
ON
Stg2 Differential
1st stage
ON
Stg2 Differential
SP -1.0 SP -0.5
1st stage
ON
Stg2 Differential
3rd stage
OFF
1st stage
ON
Stg2 Differential
SP -1.0 SP -0.5
23
1st stage
OFF
Stg1 Differential
2nd stage
OFF
1st stage
OFF
Stg1 Differential
2nd stage
OFF
SP
SP +0.5
1st stage
OFF
Stg1 Differential
2nd stage
OFF
1st stage
OFF
Stg1 Differential
2nd stage
OFF
3rd stage
OFF
SP +0.5
SP