Lennox ComfortSense L7742U User Manual

506228−01 05/09
Page 44
Available System Settings
Setup HEAT PUMP Configurations NON HEAT PUMP Configurations
Backup/ Indoor
Heat
Gas/
Oil
Gas/
Oil
None Gas/
Oil
Gas/
Oil
None Elec Elec None Elec Elec None G/O or
Elec
G/O or
Elec
None G/O or
Elec
G/O or
Elec
None
Comp. Stages 1 1 1 2 2 2 1 1 1 2 2 2 1 1 1 2 2 2
Indoor Heat Stgs 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0
Total Heat Stgs 2 3 1 3 4 2 2 3 1 3 4 2 1 2 0 1 2 0
1st Heat Stage Y1 Y1 Y1 Y1 Y1 Y1 Y1 Y1 Y1 Y1 Y1 Y1 W1 W1 W1 W1
2nd Heat Stage W1 W1 Y1+Y2 Y1+Y2 Y1+Y2 Y1+W1 Y1+W1 Y1+Y2 Y1+Y2 Y1+Y2 W1+
W2
W1+
W2
3rd Heat Stage W1+
W2
W1 W1 Y1+W1
+W2
Y1+Y2
+ W1
Y1+Y2+
W1
4th Heat Stage W1+
W2
Y1+Y2+
W1+W2
1st Em Heat
Stage
W1 W1 W1 W1 W1 W1 W1 W1
2nd Em heat
Stage
W1+
W2
W1+
W2
W1+W2 W1+W2
Cool Stages 1 1 1 2 2 2 1 1 1 2 2 2 1 1 1 2 2 2
1st Cool Stage Y1 Y1 Y1 Y1 Y1 Y1 Y1 Y1 Y1 Y1 Y1 Y1 Y1 Y1 Y1 Y1 Y1 Y1
2nd Cool Stage Y1+Y2 Y1+Y2 Y1+Y2 Y1+Y2 Y1+Y2 Y1+Y2 Y1+Y2 Y1+Y2 Y1+Y2
Indoor Heat Stgs X X X X X X X X X X X X
Outdoor Sensor X X X X X X X X X X X X X X X X X X
Residual Cool X X X X X X X X X X X X X X X X X X
Low Balance Pt. X X X X X X X X
High Balance Pt. X X X X X X X X
Stg Delay Timers X X X X X X X X X X X X X X
Stg 1 Diff X X X X X X X X X X X X X X X X X X
Stg 2 Diff X X X X X X X X X X X X X X
Stg 2 Delay X X X X X X X X X X X X X X
Stg 3 Diff X X X X X X
Stg 3 Delay X X X X X X
Stg 4 Diff X X
Stg 4 Delay X X
H/C Stgs Locked
In
X X X X X X X X X X X X X
Stg 2 Hp Lock
Temp
X X X X
Humiditrol Adjust If Dehumidification mode is not equal to HUMIDITROL.
LEGEND FILLED−IN CELL INDICATES SELECTION IS NOT AVAILABLE (IS HIDDEN) FOR THE SPECIFIC CONFIGURATION

Lennox ComfortSense L7742U Specifications

General

Brand	Lennox
Model	ComfortSense L7742U
Category	Thermostat
Language	English