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LENNOX S40 Smart Thermostat User Guide

What is ASHRAE?  
Lennox Smart Devices  
ASHRAE 62.2 is a national standard that provides methods for achieving  
acceptable indoor air quality in typical residences. It was developed and  
is maintained by the American Society of Heating and Air-Conditioning  
Engineers (ASHRAE). One of the standard three main components is Whole  
House Ventilation which is exhausting stale indoor air and replacing it with  
fresh outdoor air.  
The exhaust fan dilutes the air in the main living spaces with outside air to  
remove unavoidable contaminants from people, pets, cleaning, off gassing,  
etc. The whole house fan flow rate is determined based on the floor space  
and the number of bedrooms. The whole house fan provides multiple air  
exchanges within the home each day. The operation can be continuous or  
intermittent (much higher airflow cycled by a timer) if 1 zone or less.  
Lennox Smart Room Sensor  
IMPORTANT  
The Lennox Smart Room Sensor is not compatible with systems that have  
the Lennox Smart Zoning System (iHarmony) installed.  
The Lennox® S40 Smart Thermostat can support up to six Lennox® Smart  
Room Sensors.  
Adding and Removing Smart Room Sensor  
Please refer to the Smart Room Sensor Installation and Setup Guide for  
information on the devices, placement, and pairing using the Lennox Home  
App.  
Advanced Settings  
This section is for installers and technicians ONLY to customize system  
settings and run various diagnostic tests.  
IMPORTANT  
View Support Service Control Center  
The first device must be added by the technician in order to create the smart  
devices network. Thereafter the homeowner can add or remove devices  
using the Lennox Home App.  
Allows installers and technicians to perform custom configurations tailored for  
the homeowner’s unique requirements.  
Restart  
View and Understanding the Smart Room Sensor Detail Screen  
Options are to restart Smart Hub, thermostat, or both.  
From the thermostat’s Home screen, select My Home. Select the wireless  
extender icon. This screen displays the details for the Smart Room Sensor.  
Unregister System  
Unregister System means that the thermostat will no loner be linked to the  
homeowner’s email account.  
Figure 22. Smart Room Sensor Detail Screen  
• Selecting Current Temp button is a short cut to the Current Temperature.  
There the homeowner can select sensors to participate in Room  
Averaging using Occupancy Detection.  
38  
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