LENNOX S40 Smart Thermostat User Guide
Table 2. Home and Status Screens Icon Descriptions
Purpose
Function or
Screen Text
Icon
Allergen Defender: Go to Menu > Settings > Fan to turn on or off Allergen Defender. Internet weather must be enabled
and the pollen count is high for the following pollens (Grass, Ragweed, Mold, Tree and Overall Pollen) the fan will run
between heating or cooling demands to help clean the air. Works best with MERV 11 or higher filter.
Fan in Allergen
Defender mode
is active
Allergen Defender only runs when no other fan modes (On, Auto or Circulate) are being utilized.
Typically occurs when the system has suffered a power interruption. The thermostat starts to look for the indoor and
outdoor controls. Sometimes the outdoor control takes longer to boot up and therefore does not respond to inquiry by the
thermostat. Recycling power to the system may resolve the issue.
System Under
Test
Aux Heat
Auxiliary heating is active.
Load shedding,
wait time 45 min
Action to reduce the load on something, especially the interruption of an electricity supply to avoid excessive load on the
generating plant.
Service Urgent indicates that a service call is needed to get the system running.
Service Urgent
Selecting the icon prompts a pop-up screen: Service Urgent. The system has encountered a problem. Alarm ID: xxxx
and a description of the alarm is provided. Select OK to cancel the pop-up screen.
Coasting to
Perfect Temp
Coasting allows the current temperature to reach the desired single set-point without the system doing any work. The red
arrow indicates the temperature is less than the desired set point. The blue arrow indicates the temperature is greater
than the desired set point.
Coasting to
Perfect Temp
This indicates the system is actively ventilating and the precise time the cycle will end. Selecting cancel will terminate the
current ventilation session.
Selecting the icon will display a pop-up screen. Ventilating until x:xx pm. Do you wish to cancel? Options are No or
Ventilating or
Ventilating unit
(specific Time)
Yes.
The utility company will automatically set the energy savings time period. You can select cancel to exit this mode.
Canceling the function opts the system out of the current active energy savings events. A pop-up screen will ask to verify
this is the intention.
Peak Monitoring
until x:xx pm -
x:xx pm
Selecting the icon will display a pop-up screen. Peak Monitoring will be active from x:xx pm to x:xx pm.
21
| General | Details |
|---|---|
| Name | LENNOX S40 Smart Thermostat User Guide |
| Make | Lennox |
| Language | English |
| Filetype | PDF (Download) |
| File size | 1.3 MB |
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