The different humidification modes depend on the type of equipment (indoor and outdoor units) and humidification accessory installed.
Adjustment Slider Tools
Dehumidification Setpoint 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. Humidification Setpoint Percentage - This adjustment tool is only visible when dew point is set to OFF. Range is 15% to 45% humidity. Default is 40%.
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 setpoint. Default is 2°F (1.0°C).
Dew Point — This adjustment will help 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%.
NOTE: Dew Point - Adjustment requires an outdoor temperature sensor and is automatically controlled by the outside temperature.
Humidity Control
The following options are available under humidity control:
Off
Humidify only option is available when a humidification accessory is installed.
Dehumidify only option is available with or without a dehumidification accessory installed.
Humidify + dehumidify option is only available when a humidification accessory is installed.
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.
Max — Recommended for drier climates. This runs the humidifier when there is a call for humidification only.
• Dew Point percentage slider adjustment tool is available for both Normal and Max settings.
• Humidification setpoint percentage slider adjustment tool is only visible when Dew point is set to OFF.
Dehumidification Control Center
No Dehumidification Accessory Installed
When dehumidify is enabled and no dehumidifier accessory is installed, the dehumidification options are as follows:
Basic — Recommended for moderate climates. No dehumidification is active. Dehumidification setpoint slider adjustment tool only is available.
Max — Recommended when outdoor air is excessively humid. May over cool your home to achieve the desired dehumidification set point.
Climate IQ (Auto) — Automatically adjusts system run-time based on a combination of dehumidification setpoint and local weather conditions obtained from the Internet. May over cool your home to achieve the desired dehumidification setpoint.
• Both overcooling and dehumidification setpoint slider adjustment tools are available for both Max and Climate IQ (Auto). The overcooling adjustment slider tool limits overcooling between 0°F to 4°F.
Humidify + Dehumidify Settings
When this option is selected, a combination of both humidification and dehumidification settings are available.
When dew point is set to OFF. Then a dual-purpose slider adjustment tool will appear. This tool will allow you to adjust the setpoint percentage for both humidification (left slider) and dehumidification (right slider). Range is 15% to 60% humidity.
Dehumidification Accessory Installed
When either an auxiliary dehumidifier or Humiditrol is installed the only setting available is dehumidification setpoint slider adjustment tool is available. The only adjustment tool will be the Dehumidification Setpoint Percentage.
Humiditrol: When Humiditrol accessory is used there are an additional parameter setting that your Lennox technician/installer can adjust.
