Product Overview
Table Of Contents
- ICOMFORT® S30 THERMOSTAT
- BASIC INFOMATION
 - INSTALLER SETTINGS
 - USER SETTINGS
- ACCOUNT SCREEN
 - ADVANCED SETTINGS (INSTALLER SETTINGS)
 - AWAY SCREEN
 - AWAY SETTINGS SCREEN
 - COOL MENU SCREEN
 - DISPLAY SCREEN
 - EDIT SCHEDULES SCREEN
 - FAN SCREEN
 - FEELS LIKE SCREEN
 - GENERAL SCREEN
 - HEAT/COOL SCREEN
 - HEAT MENU SCREEN
 - HOME INFO SCREEN
 - HOME SCREEN (Thermostat ON)
 - HUMIDITY SCREEN (Humidity Control)
 - IHARMONY ZONING SCREEN (if equipped)
 - MENU SCREEN
 - MODES/SCHEDULES SCREEN
 - NAME SCREEN
 - NOTIFICATIONS (REMINDERS) SCREEN
 - PUREAIR™ S PERFORMANCE SCREEN
 - SCHEDULE HOLD SCREEN
 - SCHEDULES SCREEN
 - SETTINGS SCREEN
 - VENTILATION SCREEN (Fresh Air Damper/HRV/ERV)
 - WEATHER FORECAST SCREEN
 - WI-FI SCREEN
 - ZONING SCREEN
 
 
 - REVISIONS
 
iComfort
®
 S30 Ultra Smart Thermostat / Page 19
HUMIDITY SCREEN (Humidity Control)
•  Off (default)
•  Humidify
•  Normal, Max, Dewpoint
•  Dehumidify
•   Normal, Max, Climate IQ
®
 (Auto)
•  Dewpoint (on/off)
•  Humidify + Dehumidify
Dewpoint setting is only available with remote Outdoor 
Temperature Sensor. Sensor is furnished as standard 
with iComfort
®
 Communicating outdoor units, optional for 
conventional units (-15 to 15%, adjustable, default is 0%).
Humidication Control Center
normal setting is recommended for moderate climates. 
Operates the humidier when there is a call for heating 
and humidication.
max setting is recommended for drier climates. Operates 
the humidier when there is a call for humidication only.
Dehumidication Control Center
normal setting is recommended for moderate climates. 
Operates the dehumidier when there is a call for cooling 
and dehumidication.
max setting is recommended for humid climates. 
Operates the dehumidier when there is a call for 
dehumidication only. May cool beyond desired setpoint 
by 2 degrees.
Climate IQ
®
 setting monitors regional weather conditions and 
automatically removes excess humidity when necessary.
NOTE - Climate IQ
®
 settings are only available for 
iComfort
®
 Communicating outdoor units (SL28XCV/
SL25XPV, XC21/XC21, XC20/XP20) without any optional 
humidication/dehumidication equipment installed.
•   Humidication Setpoint 
(15 to 45% relative humidity, adjustable, default 40%)
•   Dehumidication Setpoint 
(40 to 60% relative humidity, adjustable, default 50%)
•   Overcooling Setpoint (Max or Climate IQ
®
 only) 
(0 to 4°F, adjustable, default 2°F)
•   Humidication (left slider) + Dehumidication (right 
slider) Setpoint 
(15% to 60%, adjustable, default 15% humidication 
and 40% dehumidication)
Adjustable sliders allows Dehumidication/Humidication/
Overcooling Setpoint adjustment.
Depending on humidity/dehumidity mode settings selected 
not all settings above may be visible.
USER SETTINGS
IHARMONY ZONING SCREEN (if equipped)
NOTE - Zoning is only available for systems using the 
iHarmony
®
 Zoning System.
System components include the iComfort
®
 S30 
thermostat, iHarmony
®
 Damper Control Module (DCM), 
individual In-Zone Thermostats and Motorized Dampers.
NOTE - Single-stage outdoor units can only be used with 
two equal load zones when using the iHarmony 
Zoning System. 
Variable capacity and two-stage outdoor units can 
utilize up to four zones when using the iHarmony 
zoning system.
See iHarmony Zoning System Product Specications for 
additional information.
•   Zoning (on/off)
•  Zone 1 (master)
•  Zone 2
•  Zone 3
•  Zone 4
Touch any zone name to edit with the keyboard tool 
(maximum 30 characters).
NOTIFICATIONS (REMINDERS) SCREEN
•  Replace Filter 1
•  Replace Filter 2
•  Replace UV Lamp
•  Replace Humidier Pad
•  Maintenance Reminder and PureAir™ Maintenance
•  Disabled (default for all notications)
•  3, 6, 12, 24 Months or Custom date
•  Set for Calendar Time or Runtime
•  Sensor-Based (PureAir only)
Touch custom to access the Set Date Tool screen to input 
custom date settings.
FEATURES










