Lennox S40 Installation And Setup Guide

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Setup Airow per Zone
This screen will allow the installer to setup the airow per zone. The types of
circulation per zone are:
• Blower Circulation Airow (gray) which includes total, assigned, minimum
and maximum airow.
• Heating Circulation Airow (red) which includes total, assigned, minimum
and maximum airow.
• Cooling Circulation Airow (blue) which includes total, assigned, minimum
and maximum airow.
Reminders
This screen allows you to set reminders as either disabled or 3, 6, 12 or 24
months and also custom by specic date. The other options on this screen set
the reminder event either by calendar date or actual system run-time.
Reminders may be set for Replace lter 1, Replace lter 2, Replace UV bulb,
Replace humidier pad, PureAir™ maintenance, Maintenance reminder,
Ventilation maintenance and Ventilation lter.
Once a reminder is set for a specic item, touch done to return to the previous
screen. An “expires on date” will appear next to the item just set.
1. Touch on the circled green arrow to touch a specic zone. The zone settings
will expand to allow the installer to adjust CFMs for each circulation airow
type. Use the plus and minus buttons to adjust CFMs up and down.
2. Once completed touch continue. The next screen that will appear is the
Dealer Control Center.
System Name
On this screen you can rename your system.
Commissioning Completion
Once commissioning is completed, the system will leave you at the Dealer
Control Center. You can either touch exit to go to the main screen or perform
any function listed in the various categories displayed.
Helping Homeowner Connect Thermostat to the Home
Wi-Fi
Wi-Fi Limitations
• The thermostat cannot connect to a home wireless router that uses more
than 32 characters in the wireless access point name (visible or hidden).
• The thermostat will support up to a 63 character Wi-Fi password. Passwords
cannot contain blank spaces or % symbol.
• If the home Wi-Fi connection is unsecured, then Wi-Fi security MUST be
enabled. Consult your router documentation on how to enable Wi-Fi security.
• Never use a home guest account.
• Never use an open unsecured router connection.
• Always use a secure connection physically located in the home where the
thermostat is located.
IMPORTANT
If the home will have multiple S40 thermostats then they all MUST be on the
same 2.4GHz Home Wi-Fi network in order to connect to each other. Do not
use 5 GHz.
Home Wi-Fi Access Point is Visible
1. From the thermostat’s home screen, go to Menu > Settings > Wi-Fi.
2. Slide the option to the ON position to enable Wi-Fi.
3. Press on Not Connected to display a list of available access points.
4. Locate home network and select the network name.
5. Enter the home Wi-Fi network password and press join to continue. If
successful the Thermostat Connective Status indicator as illustrated
below will show check marks across all connections.
Lennox S40
Smart Thermostat
Router
Internet Service
Provider
Server
Figure 14. Thermostat Connectivity Status
NOTE: Whether connecting to a visible or hidden network, if successful, a
check mark will appear above both the router, and Internet icons. For
information on connecting to hidden networks, please reference the
S40 Homeowner Guide.
Home Wi-Fi Access Point is Hidden
1. Slide the option to ON to enable Wi-Fi.
2. Wi-Fi network will show not connected. Press on “not connected”.
3. Scroll down and select other.
4. The “enter new network information” screen will appear. Enter the name
of the hidden network.

Lennox S40 Specifications

General

Brand	Lennox
Model	S40
Category	Thermostat
Language	English