Touch the MENU key until Nighttime Upstairs Airflow In Heating option indicated by nAF On Heat is displayed.
To Begin
This option enables the user to set the maximum allowable upstairs airflow in heating during Nighttime Operation, not to exceed the installer set maximum allowable upstairs airflow in heating.
Touch the UP/DOWN keys to adjust the airflow.
Touch the MENU key to save and go to next option, Setting the Nighttime Airflow in Cooling,
or touch the ENTER key to save the options and return to normal thermostat operation.