Lennox ComfortSense L7742U Programming And Application Manual page 28

Stage Delay & Differential Settings (Installer settings)
H/C
Stages
Locked =
NO
3rd stage
H/C
Stages
Locked =
YES
SET-
SP −3.5
POINTS:
506228−01 05/09
2nd stage
ON
ON
Stg3 Differential
2nd stage
ON
3rd stage
Stg3 Diff.
ON
SP −3.0 SP −2.5 SP −2.0
Figure 11. Heating − dual fuel − 3 stage (1 compressor / 2 backup)
(continued)
1st stage
ON
Stg2 Differential
1st stage
ON
Stg2 Differential
SP −1.5 SP −1.0 SP −0.5
Page 28
1st stage
OFF
Stg1 Differential
2nd stage
OFF
3rd stage
OFF
1st stage
OFF
Stg1 Differential
2nd stage
OFF
3rd stage
OFF
SP +0.5
SP