Honeywell TH6100AF2004 T6 Hydronic Programmable Thermostat User Manual
T6 Pro Hydronic
Programmable Thermostat
TH6100AF2004
User Guide
Package Includes:
•
T6 Pro Hydronic Programmable
Thermostat
•
•
•
•
•
•
Floor sensor (model AC112-01)
UWP™ Mounting System
Decorative Cover Plate
Screws and anchors
2 AA Batteries
Thermostat literature
ProSeries
Thermostat controls
• System status
• Indoor temperature
information
setpoint
Heat On/Recovery
Press + or – to change
temperature setting
• Schedule information
Following time based
schedule
• Actual indoor
temperature
• Actual time
• Temperature/
• Mode
Navigation buttons
Press to increase or
decrease temperature
setpoint and to
Select system mode
Heat/Off
• Menu
navigate menus and
menu options
Press to display options.
Start here to set a
program schedule
The screen will wake up by pressing any of the five buttons. If powered by the C wire, the screen stays lit for 45 seconds
after you complete changes. If powered by battery only, the screen stays lit for 8 seconds. Depending on how your
thermostat was installed, the screen light may always be on.
| General | Details |
|---|---|
| Name | Honeywell TH6100AF2004 T6 Hydronic Programmable Thermostat User Manual |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 1.42 MB |

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Honeywell TH6100AF2004 T6 Manual: Questions and Answers
What's the difference between A mode and F mode on the Honeywell TH6100AF2004?
| Mode | What It Controls |
|---|---|
| A mode | Ambient air temperature only |
| F mode | Floor temperature only using external floor sensor |
What does FLR mean on the Honeywell TH6100AF2004 T6 display?
FLR text above the temperature value indicates the actual floor temperature reading from the external sensor. User Manual, p. 2
What does BATT mean on the Honeywell TH6100AF2004 T6 thermostat?
BATT appears when batteries need replacement. The alert icon and battery icon also display on the Home screen. User Manual, p. 9
Why is the heating system on my Honeywell TH6100AF2004 T6 not responding?
Check and correct these issues:
- Press Mode button to set system to Heat.
- Set desired temperature higher than inside temperature.
- Check circuit breaker and reset if necessary.
- Ensure power switch for heating system is on.
- Wait 5 minutes for system to respond. User Manual, p. 10
Can I set the heating temperature below 40 degrees Fahrenheit?
No. Heat mode accepts temperatures from 40 °F to 90 °F only. User Manual, p. 10
How do I use the Hold button on the Honeywell TH6100AF2004 T6?
While TEMPORARY HOLD is displayed and the setpoint flashes, press Hold (Mode) to change to Permanent Hold. User Manual, p. 5
















































