Honeywell’s AQ1000TN2 hydronic zoning thermostat can be used to control the ambient air temperature or floor temperature. You can choose among the following temperature control modes (see page 8):
About your new Honeywell AQ1000TN2 thermostat
A mode:
- Controls and displays the ambient air temperature
F mode:
- Controls and displays the floor temperature using an external temperature sensor
AF mode:
- Controls and displays the ambient air temperature
- Maintains the floor temperature within desired limits using an external temperature sensor
- The outdoor temperature will be displayed only if the data is available.
- This icon appears to indicate that the thermostat settings cannot be modified as the hydronic zoning controller has locked the keypad. The backlight
button and the 
buttons can still be used to activate the backlight and to display the setpoint.
Show Honeywell AQ1000TN2 User Manual on PDF Below
