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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.
Your T6 Pro Hydronic Programmable Thermostat can be set to operate in one of 3 different control modes. These settings determine which temperature is measured, controlled and displayed on the thermostat home screen. Each thermostat in your home can be set to a different control mode. Please ask your local heating professional which control mode is used for you to better control the Thermostat.
A mode (Air temperature only): Controls and displays the ambient air temperature only.
F mode (Floor temperature only): Controls and displays the floor temperature only using an external floor temperature sensor. This control mode is typically used in areas such as bathrooms where floor temperature could be scheduled to be warm only during occupied, morning and evening periods.
AF mode (both Air and Floor temperatures): Controls and displays the ambient air temperature as well as maintains the floor temperature within desired floor temperature limits using an external floor temperature sensor. Setting the minimum and maximum floor temperature limits is done by your local heating professional and is a way for you to enhance the comfort and to protect your floor covering at the same time.
System modes:
You can program four time periods each day, with different settings for weekdays and weekends. We recommend the pre-sets (shown in the table below), since they can reduce your heating expenses.
Wake - Set to the time you wake up and the temperature you want during the morning, until you leave for the day.
Away - Set to the time you leave home and the temperature you want while you are away (usually an energy-saving level).
Home - Set to the time you return home and the temperature you want during the evening, until bedtime.
Sleep - Set to the time you go to bed and the temperature you want overnight (usually an energy-saving level).
Air Temperature (A mode/ AF mode) | Floor Temperature (F mode) | |
Wake (6:00 am) | ![]() | ![]() |
Away (8:00 am) | ![]() | ![]() |
Home (6:00 pm) | ![]() | ![]() |
Sleep (10:00 pm) | ![]() | ![]() |
NOTE: To temporarily or permanently override any of the above program schedules.
Depending on which temperature control mode the thermostat is configured for, you will be programing either air or floor temperature. Floor temperature will be indicated with FLR text above the actual temperature value.
NOTE: Depending on which temperature control mode the thermostat is configured for, you will be adjusting either air or floor temperature. Floor temperature will be indicated with FLR text above the actual temperature value. Floor temperature setpoint is hidden on home screen in this case and will be displayed again by pressing or
.
Vacation overrides the current program schedule for a longer period of time. You might use this feature when you know you'll be away for awhile.
NOTES:
If your thermostat is configured to operate in AF mode and the program schedule is followed, you can disable the minimum floor temperature limits set by your local heating professional during away and sleep periods. Depending on your heating system installation and floor type used, disabling the minimum floor temperature limit setting can reduce your energy bills during times when comfort is not required (Away and Sleep periods). Your floor covering and system remains protected as the thermostat keeps controlling maximum floor temperature limit and minimum freeze protection temperature all the time.
Over time, the Resideo T6 Pro Thermostat "learns" how long it takes your system to reach the temperature you want. It turns on the heating system earlier to make sure you're comfortable at the time you expect.
Batteries are optional (to provide backup power) if your thermostat was wired to run on AC power when installed. If your thermostat was not wired to run on AC power, then batteries are required.
Install fresh batteries immediately when the low battery icon appears. The icon appears about two months before the batteries are depleted.
Even if the low battery icon does not appear, you should replace batteries once a year, or before leaving home for more than a month.
If batteries are inserted within two minutes, the time and day will not have to be reset. All other settings are permanently stored in memory, and do not require battery power.
NOTE:When replacing batteries, alkaline batteries are recommended.
When the low battery warning appears, press gently to loosen the thermostat and then carefully pull it from the wall mount.
If there is an alert or reminder, the alert icon appears on the Home screen.
*Some alerts cannot be snoozed or cleared. Please call your local heating professional if this occurs. The system may require service.
If you have difficulty with your thermostat, please try the following suggestions. Most problems can be corrected quickly and easily.
Display is blank |
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Heating system does not respond |
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Temperature Make sure heating temperature is set to an acceptable range: settings do not change |
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Terminal | Voltage (50 Hz/60 Hz) | Running Current |
W Heating | 20 VAC - 30 VAC | 0.0 A - 1.0 A |
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
Download Honeywell T6 Pro Hydronic, TH6100AF2004 - Programmable Thermostat Manual
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