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ComfortSense L7742U
Lennox ComfortSense L7742U User Manual
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506228−01
05/09
Page 38
Figure 19. Thermost
at
Wiring
Diagrams
37
39
Table of Contents
Table of Contents
2
Comfortsense ® Model L7742U Thermostat
3
Features
3
Touch Screen Display
4
Home Screen Current Conditions & Temp. Settings
5
Controlling the Heat/Cool Modes of Operation
6
Controlling the Fan Operation
7
Controlling the Schedule
7
Schedule Tab Programming
8
Options Tab Reminders & User Settings
10
Options Tab Installer Settings
13
Resetting Program to Factory Conditions
16
EPA ENERGY STAR ® Recommended Setpoints
17
Humidification
19
Dehumidification
21
Humiditrol ® Enhanced Dehumidification Accessory (EDA)
22
Stage Delay and Differential Settings
24
Temporary Temperature Change (Pausing the Schedule)
31
Optional Remote Outdoor Sensor
32
Service Reminders
33
Unit Part and Serial Numbers
33
Memory Protection
33
Appendix A. Flow Diagrams & Wiring Diagrams
34
Wiring Diagrams
36
Appendix B. Diagnostic Info. & Available System Settings
39
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Lennox ComfortSense L7742U Specifications
General
Brand
Lennox
Model
ComfortSense L7742U
Category
Thermostat
Language
English
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