Honeywell Home T6 Pro Programmable Thermostat

Package Includes:

• T6 Pro Thermostat
• UWP™ Mounting System
• Decorative Cover Plate
• Screws and Anchors
• 2 AA Batteries
• Thermostat Literature

Thermostat Controls

The thermostat display shows:

• System status information: Indicates if the system is in Cool On, Heat On, Emergency Heat On, Recovery mode, or Compressor Protection.
• Schedule information: Shows if the thermostat is following a time-based schedule.
• Actual time: Displays the current time.
• Mode: Allows selection of system mode (Heat, Off, Cool, Auto, EM Heat).
• Menu: Press to display options and start setting a program schedule.

The main thermostat interface includes:

• Indoor temperature setpoint: Use the [plus-button] or [minus-button] to change the desired temperature.
• Actual indoor temperature: Displays the current room temperature.
• Temperature/Navigation buttons: Used to adjust the setpoint temperature and navigate menus.
• Fan: Selects fan mode (Auto, On, Circulate).

Thermostat Display Description: The screen typically shows the current time (e.g., 6:30 AM), the current indoor temperature (e.g., 72°F), the system mode (e.g., Heat On), the fan mode (e.g., Fan Auto), and navigation buttons labeled Mode, Menu, Fan, [plus-button], and [minus-button].

The screen wakes up by pressing any button. If powered by a C-wire, it stays lit for 45 seconds after changes. If battery-powered, it stays lit for 8 seconds. The screen light may remain on depending on installation.

Customer Assistance

Visit https://www.honeywellhome.com/support

System Operation Settings

Press the [Mode button] to cycle through available system modes (Auto, Heat, Cool, Em Heat, Off). The selected mode will activate.

Fan Operation Settings

Press the [Fan button] to cycle through available fan modes (Auto, On, Circ). The selected mode will activate.

• Auto: Fan runs only when heating or cooling is active.
• On: Fan is always on.
• Circ: Fan runs randomly about 33% of the time.

Set the Time and Date

Time

1. Press [Menu button] on the thermostat.
2. Press [plus-button] or [minus-button] to navigate to TIME, then press [Select button].
3. Press [plus-button] or [minus-button] to select 12 or 24-hour format, then press [Select button].
4. Use [plus-button] or [minus-button] to adjust the hour, then press [Select button].
5. Use [plus-button] or [minus-button] to adjust the minutes, then press [Select button] to exit the Time menu.

Date

1. If you just set the time, continue to step 2. If at the Home screen, press [Menu button].
2. Press [plus-button] or [minus-button] to navigate to DATE, then press [Select button].
3. Use [plus-button] or [minus-button] to adjust the year, then press [Select button].
4. Use [plus-button] or [minus-button] to adjust the month, then press [Select button].
5. Use [plus-button] or [minus-button] to adjust the day, then press [Select button] to save and exit the Date menu.

Program Schedule

The thermostat allows programming four time periods per day with different settings for weekdays and weekends. Pre-set schedules are recommended to reduce heating/cooling expenses.

The four periods are:

• Wake: Set for wake-up time and desired morning temperature until departure.
• Away: Set for departure time and desired temperature while away (energy-saving level).
• Home: Set for return time and desired evening temperature until bedtime.
• Sleep: Set for bedtime and desired overnight temperature (energy-saving level).

A table shows recommended pre-set temperatures:

Note: To temporarily or permanently override schedules, see page 4.

To Adjust Program Schedules:

1. Press [Menu button] on the thermostat.
2. PROG will display. Press [Select button]. If you do not want a schedule, press [plus-button] or [minus-button] to display OFF, then press [Select button]. Press [Select button] again.
3. Press [plus-button] or [minus-button] to select the day(s) to edit, then press [Select button].
4. Press [plus-button] or [minus-button] to select a schedule period (Wake, Away, Home, Sleep), then press [Select button].
5. ON will display. Press [Select button] to keep the period active. Or press [plus-button] then [Select button] to turn the period off.
6. The time will blink. Use [plus-button] or [minus-button] to adjust the start time, then press [Select button].
7. The temperature will blink. Use [plus-button] or [minus-button] to adjust the Heat setpoint, then press [Select button]. Use [plus-button] or [minus-button] to adjust the Cool setpoint, then press [Select button].
8. Repeat steps 4-7 for remaining periods.
9. Press [Home button] when finished to save and return to the home screen.
10. Schedules can be adjusted or turned ON/OFF by returning to Menu and following these steps.

Program Schedule Override (Temporary)

1. Press [plus-button] or [minus-button] to adjust the temperature. The new setpoint is held until the next scheduled period begins.

2. To cancel the Temporary Hold, press [plus-button] or [minus-button], then press [Cancel button].

Program Schedule Override (Permanent)

1. Press [plus-button] or [minus-button] to adjust the temperature.

2. TEMPORARY HOLD will display and the setpoint will flash. While flashing, press the [Hold button] (often the Mode button) to change to Permanent Hold.

3. To cancel Permanent Hold, press [plus-button] or [minus-button], then press [Cancel button].

Adjusting Keypad Lockout

1. Press [Menu button] on the thermostat.

2. Press [plus-button] or [minus-button] to go to LOCK, then press [Select button].

3. Press [plus-button] or [minus-button] to select OFF (unlocked), PART (partial lockout, only temperature adjustable), or ON (locked). Press [Select button].

4. To unlock, press the center button and enter the password "1234". Use [plus-button] or [minus-button] to change each digit, pressing [Select button] after each.

5. If the code is incorrect, "--" will flash. Press [Back button] to correct.

Note: Keypad lockout may not be available if the installer did not enable it.

Adaptive Intelligent Recovery

The thermostat learns how long your system takes to reach the desired temperature and activates heating or cooling earlier to ensure comfort at the scheduled time.

Built-in Compressor Protection

This feature prevents compressor damage from rapid restarts. The compressor waits a few minutes before restarting. During this wait, the display shows "Cool On" (or "Heat On") flashing. The message stops flashing when the safe wait time has elapsed.

Battery Replacement

Batteries are optional for backup power if the thermostat is wired to AC power. If not wired to AC, batteries are required.

Install fresh batteries immediately when the low battery icon appears (approx. 2 months before depletion). Replace batteries annually or before leaving home for over a month, even if the icon isn't displayed.

If batteries are inserted within 2 minutes, time and day settings are retained. Other settings are stored permanently.

Note: Alkaline batteries are recommended.

Battery Replacement Procedure: When the low battery warning appears, carefully pull the thermostat from the wall mount. Insert fresh alkaline AA batteries and reinstall the thermostat.

Alerts

An alert icon [alert-icon] (⚠️) appears on the Home screen for alerts or reminders.

Low Battery Warning

Batteries need replacement when BATT, the [alert-icon] (⚠️), and the battery icon are displayed. If battery power is very low, the backlight is disabled. If critically low, only BATT, the [alert-icon] (⚠️), and the battery icon are shown.

Air Filter Reminder

The [alert-icon] (⚠️) appears on the Home screen. Navigate via Menu to ALRT, then Select to view alerts. The message REPL (REPLACE AIR FILTER) will appear.

The reminder can be snoozed or cleared. Resideo recommends changing the filter before clearing.

• To snooze: Press Select. SNZE (SNOOZE) appears. Press Select again to snooze for 7 days.
• To clear: Press Select, then press [plus-button] to go to CLER (Clear). Press Select to clear the reminder.

Note: Some alerts cannot be snoozed or cleared. Contact a heating and cooling professional if this occurs.

Troubleshooting

Display is blank

• Check and reset the circuit breaker.
• Ensure the heating/cooling system power switch is ON.
• Ensure the furnace door is securely closed.
• Ensure fresh AA alkaline batteries are installed correctly (see page 6).

Heating or cooling system does not respond

• Set system to Heat (page 2) and ensure desired temperature is higher than indoor temperature.
• Set system to Cool (page 2) and ensure desired temperature is lower than indoor temperature.
• Check and reset the circuit breaker.
• Ensure the heating/cooling system power switch is ON.
• Ensure the furnace door is securely closed.
• Wait 5 minutes for the system to respond.

Temperature settings do not change

Ensure temperatures are within acceptable ranges:

• Heat: 40°F to 90°F (4.5°C to 32.0°C)
• Cool: 50°F to 99°F (10.0°C to 37.0°C)

"Cool On" or "Heat On" is flashing

Compressor protection is active. Wait 5 minutes for safe system restart (see page 5).

Electrical Ratings

5-year limited warranty

For warranty information, visit https://www.honeywellhome.com/support

Safety Cautions

• CAUTION: ELECTRICAL HAZARD
  Can cause electrical shock or equipment damage. Disconnect power before beginning installation.
• CAUTION: EQUIPMENT DAMAGE HAZARD
  Compressor protection is bypassed during testing. To prevent equipment damage, avoid cycling the compressor quickly.
• CAUTION: MERCURY NOTICE
  If this product replaces a control with mercury, do not place the old control in trash. Contact local waste management for recycling instructions.
• CAUTION: ELECTRONIC WASTE NOTICE
  Do not dispose of with household waste. Check for authorized collection centers or recyclers. Proper disposal prevents negative environmental and health consequences.

More information available at: https://customer.resideo.com/en-US/support/residential/codes-and-standards/FCC15105/Pages/default.aspx