LENNOX S40 Smart Thermostat User Guide
of 50°F (10°C) (default), only the heat pump will be allowed to run (no
auxiliary heat).
Humidity Control
The following options are available under humidity control:
» When the outdoor temperature is below the default low balance point
of 25°F (-4.0°C) (default), only the auxiliary heat is allowed to run (no
mechanical heat pump operation).
» Off
» Humidify option is only available when a humidification accessory is
installed.
» When the outdoor temperature is between the low and high balance
point settings both heat sources are allowed to satisfy the heating
demand.
» Dehumidify option is only available with or without a dehumidification
accessory installed.
» Humidify + Dehumidify option is only available when a humidification
accessory is installed.
Safety Protection
Alerts the homeowner when the home gets too cold or hot. This is set under
this menu option on the setting for both low and high temperatures. The
system will automatically turn on either cooling or heating if the home’s
interior temperature reaches either the low or high setting. A notification is
also sent to the Home screen notification area and Lennox Home App.
Humidification Control Center
When a humidification accessory is installed and humidify is enabled, the
options are as follows:
• Normal — Recommended for moderate climates. This runs the humidifier
when there is a call for heat and humidification.
Humidity
• Max — Recommended for drier climates. This runs the humidifier when
there is a call for humidification only.
Some options that are available under this section are dependent on type of
equipment (indoor and outdoor units) and whether a humidification accessory
is installed.
» Dew Point percentage slider adjustment tool is available for both
Normal and Max settings.
» Humidification set point percentage slider adjustment tool is only visible
AdjUsTmenT slider Tools
when Dew point is set to OFF.
» Dehumidification Set Point Percentage - The slide bar adjustment
tool allows desired humidity level in the home. Selection between 40%
to 60% are available. Default is 55% when dehumidify is enabled.
Dehumidification Control Center
» Humidification Set Point Percentage - This adjustment tool is only
visible when dew point is set to OFF. Range is 15% to 45% humidity.
Default is 40%.
IMPORTANT
The following dehumidification settings are not applicable and ignored on
systems employing iHarmony Zoning.
» Overcooling - This adjustment allows selection between 0°F to 4°F
(0°C to -2°C). This adjustment is only available when Max or Climate
IQ (Auto) is selected. This selection will limit how much overcooling is
allowed when trying to achieve the dehumidification set point. Default is
2°F (1.0°C).
No Dehumidification Accessory Installed
When dehumidify is enabled and no dehumidifier accessory is installed, the
dehumidification options are as follows:
» Dew Point - This adjustment helps reduce the amount condensation
that may build up on windows and other glass surfaces. A dew point
slider bar option will appear under the humidity menu. By default the
dew point slider is set to OFF. When dew point is set to ON, the slide
bar adjustment will appear with a range of -15% to 15%. Default is 0%.
» Basic - Recommended for moderate climates. No dehumidification
is active. Dehumidification set point slider adjustment tool only is
available.
» Max - Recommended when outdoor air is excessively humid. May over
NOTE: Dew Point - Adjustment requires an outdoor temperature sensor and
cool your home to achieve the desired dehumidification set point.
is automatically controlled by the outside temperature.
33
| 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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