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LENNOX S40 Smart Thermostat User Guide

In order to exit Away, select Cancel located on the bottom left-hand side of  
the Home screen. Selecting the Away is Active status notification will display  
the current set point range for high and low temperature settings. There is  
also the option to select Cancel here as well by selecting Yes.  
While in Away, the Away Set points are used to control the high and low  
temperature setting for the thermostat and all zones simultaneously if Smart  
Zoning is installed. The Away Set points can be changed from the default  
values by going to Menu > Settings > Away.  
Temperature Settings  
Large display of current inside  
temperature (°F or °C)  
Selecting the heat or cool set point  
indicators on the round temperature  
band, or selecting the Heat-To or Cool-To  
buttons displays the heat or cool menu  
screens.  
Both heating and cooling set point  
indicators on the round temperature band  
and the Heat-To and Cool-To buttons are  
displayed if the system is set to Heat/Cool  
mode or if an active schedule is set to  
Heat/Cool mode.  
Heating and Cooling Set  
point Indicators on the round  
temperature band  
Current cooling set point  
temperature Button (Cool-To)  
Temp  
Returns to the thermostat Home screen or the home screen for a specific  
zone if Smart Zoning is installed. Displays current temperature screen for the  
current system where the thermostat and sensors are located.  
Current heating set point  
temperature Button (Heat-To)  
Select Temp from the Status or My Home screen to return to the thermostat  
Home screen or last zone viewed.  
Current Outdoor Temperature and Weather Forecast  
The default outdoor temperature is  
supplied by the outdoor air temperature  
Status  
Displays current system operating status for the current system/area where  
the thermostat and sensors are located. Details include humidity levels, Feels  
Like™ being active, any of the various fan modes, and various other system  
background activities.  
sensor or the Wi-Fi data connection  
(homeowner selectable on the  
Displays current outdoor  
temperature in °F or °C and the  
thermostat). The outdoor sensor is  
current weather forecast.  
furnished as standard with Lennox®  
Communicating outdoor units, optional for  
conventional units.  
My Home  
This screen displays Lennox® Smart Home devices and equipment such as  
multiple S40 Smart Thermostats on the same home network, Smart Room  
Sensors, Wireless Extenders, Air Quality Monitor, PureAir S and Zoning  
Control are all optionally purchased items and will appear on this screen if  
installed.  
Time and Date Display  
Displays current date and time  
NOTE: Date and time are automatically set based on the address zip code  
if the thermostat is connected to the Internet and user account  
completed. Manual adjustment can be made if the thermostat is not  
connected.  
Humidity Display  
Displays the current inside relative humidity below current indoor  
temperature.  
Away  
The user can manually put the system into away mode by pressing the  
Away icon located on the bottom left-hand side of the Home screen. When  
the system is in Away, a status notification (Away is Active) displays on the  
right-hand side of the Home screen.  
Figure 5. My Home Screen  
17  
GeneralDetails
NameLENNOX S40 Smart Thermostat User Guide
MakeLennox
LanguageEnglish
FiletypePDF (Download)
File size1.3 MB
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LENNOX S40 Smart Thermostat User Guide