Temperature Settings; Current Outdoor Temperature And Weather Forecast; Time And Date Display; Humidity Display - Lennox S40 User Manual

Temperature Settings

Large display of current inside
temperature (°F or °C)
Heating and Cooling Set
point Indicators on the round
temperature band
Current cooling set point
temperature Button (Cool-To)
Current heating set point
temperature Button (Heat-To)

Current Outdoor Temperature and Weather Forecast

Displays current outdoor
temperature in °F or °C and the
current weather forecast.

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.
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.
The default outdoor temperature is
supplied by the outdoor air temperature
sensor or the Wi-Fi data connection
(homeowner selectable on the
thermostat). The outdoor sensor is
furnished as standard with Lennox
Communicating outdoor units, optional for
conventional units.
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.

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.
Select Temp from the Status or My Home screen to return to the thermostat
Home screen or last zone viewed.

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.
®

My Home

This screen displays Lennox
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.
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Smart Home devices and equipment such as
®
Figure 5. My Home Screen