Lennox S40 User Manual

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Table 2. Home and Status Screens Icon Descriptions
Icon
Function or
Screen Text
Purpose
Transitioning to
next schedule
The system is following an active schedule and is transitioning to the next temperature setting based on a time indicator.
Schedule
hold until next
period
Selecting the icon will display a pop-up screen. Schedule will hold until next schedule setting. There is also the option
to select duration of hold or cancel. Options to select are Cancel, Duration and Hold.
Schedule Hold
until xxxx
Two pop-up dialogs may appear.
Schedule will hold. Do you wish to cancel? Options are Yes or No.
Schedule will hold until xxxx. Do you wish to cancel? Options are Yes or No.
Cleaning Air
When the Lennox Smart Air Quality Monitor has determined that there is poor air quality in the home it will run the indoor
unit fan or any other indoor air quality devices installed to clean the air. Select this notication on the thermostat Home
screen to view details concerning the air quality or postpone the air cleaning for a specied time period.
From the thermostat Home screen, select Cleaning Air. Options to view details and postpone display. Selecting postpone
displays a screen where homeowners can select to postpone cleaning for 1, 2, 4, 8 or 24 hours.
Postponing
Cleaning Air
Advanced
Diagnostics
Request
Pending
This icon displays on the thermostat home screen when the local Lennox Dealer requests remote access to the
thermostat for troubleshooting and diagnostics.
Advanced
Diagnostics
Access Granted
This icon displays on the thermostat home screen when the homeowner permits remote access to their thermostat for
troubleshooting and diagnostics.
Advanced
Diagnostics
Access Denied
This icon displays on the thermostat home screen when the homeowner does not grant remote access to the local
Lennox Dealer.
Advanced
Diagnostics
Request
Expired
This icon displays on the thermostat home screen when the time period to accept the remote access has expired.
Advanced
Diagnostics In
Progress
This icon displays on the thermostat home screen when the dealer is in the process of running diagnostics or
troubleshooting system issues remotely.

Lennox S40 Specifications

General

Display	Color touchscreen
Voice Control	Amazon Alexa, Google Assistant
Energy Reports	Yes
Programming	7-day programmable
Warranty	5-year limited warranty
Connectivity	Wi-Fi
Compatibility	Lennox HVAC systems
Smart Features	Geofencing
Sensors	Temperature, Humidity