LENNOX S40 Smart Thermostat User Guide
Lennox Smart Air Quality Monitor
How the Smart Air Quality Monitor Works
Status Indicator
IMPORTANT
The Lennox® S40 Smart Thermostat will begin displaying information from
the Smart Air Quality Monitor once there is a blower/cooling/heating demand.
Until the first thermostat demand, the SAQM will indicate it is calculating.
Pairing Button /
Factory Reset
Side Switch
Up = ON
Down = OFF
Side Air Vent
Figure 25. SAQM Calculating
Status Indicator Light Color Descriptions
When the Smart Air Quality Monitor detects poor indoor air quality (IAQ) in
the home it will pass that information on to the thermostat which will attempt
to clean the air. Depending on the IAQ equipment installed in the home, one
of the following methods will be used by the thermostat:
NOTE: The light is only on if there is an issue with signal strength.
Table 1. Sensor Light - Two Color Descriptions
Light
» If no IAQ equipment installed - The thermostat will run the indoor unit
Function
Description
Color
blower to circulate air.
• A solid blue light indicates the signal strength is
low or has lost connection to the thermostat.
» High Efficiency Filter - The thermostat will run the blower motor to
Signal
Strength
BLUE
circulate the air through the filter cabinet.
• No blue light indicates signal strength is good.
» Pure Air - The thermostat turns on system to run Pure Air to circulate
the air through the Pure Air system.
A flashing green light indicates the unit is in pairing
mode.
Pairing
GREEN
» ERV / HRV - The thermostat will check outdoor air quality and compare
it to the indoor air quality. If outdoor air quality is better then it will bring
in fresh outdoor air. If outdoor air is poorer it will run the indoor blower
to circulate the indoor air.
Adding and Removing the Smart Air Quality Monitor (SAQM)
This device can only be installed by a professional installer. A single Lennox®
Side Switch
S40 Smart Thermostat can support one Lennox® Smart Air Quality Monitor.
The primary reason for this switch is to turn off the internal fan in case the
device is installed in a bedroom.
40
| 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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