Lennox iComfort S30 User Manual page 13

Normal
Max
Humidification Only
Normal
Max
Climate IQ (Auto)
Available only
Dehumidification Only
with Max and
Climate IQ
(Auto)
Humidification +
Dehumidification
Dew point adjustment mode will change the humidification set point based on the outdoor temperature and a user-defined dew point adjustment setting.
Dew point
1
Modulating outdoor units are XC20, XP20, XC25 and XP25
NOTE - Humidification/Dehumidification information is applicable for non-zoning systems only for the iComfort S30 Smart Thermostat using firmware version
3.15 or later.
Table 4. Humidity Control Modes of Operations
These thermostat modes allow the homeowner to control the relative humidity (RH) between 15% and 45%. The following conditions must be
met for either mode to operate:
"
humidification mode has been enabled, and
"
the unit is in HEAT mode, and
"
humidification demand exists
Additionally, the NORMAL mode requires that heat demand exists.
humidification set−point
15%
"
Both Staged and Modulating Outdoor Units: This setting is recommended when the air outside is not too humid.
"
Staged Outdoor Unit: This setting is recommended when the outdoor air is excessively humid. This setting may cool your home below the set
temperature in order to remove excessive indoor humidity.
"
Modulating Outdoor Unit: Recommend when the outdoor air is excessively humid. This setting adjusts cooling based on duct sensor data. This
setting may cool your home below the set temperature. NOTE: Discharge air temperature sensor (catalog number 88K38) is required.
"
Both Staged and Modulating Outdoor Units. This setting automatically adjusts both indoor fan speed and cooling power based on local climate
®
conditions using Climate IQ technology. This setting may cool your home below the set temperature.
overcooling
2°F
0°F
0°F
dehumidification set−point
48%
40%
humidification set−point + dehumification set−point
15%
dew point
−15%
40%
40%
48%
0%
13
45%
4°F
60%
60%
on
15%