Honeywell T6 Pro Owner's Manual
T6 Pro
Programmable Thermostat
User Guide
Package Includes:
• T6 Pro Thermostat
• UWP Mounting System
• Honeywell Standard Installation
Adapter (J-box adapter)
• Honeywell Decorative Cover Plate –
Small; size 449/64 in x 449/64 in x
11/32 in (121 mm x 121 mm x 9 mm)
• Screws and anchors
• 2 AA Batteries
• Installation Instructions and User
Guide
Call Honeywell Customer Care toll-free at 18004681502.
Customer assistance
Thermostat controls
• System status
information
Cool On/Heat On/Em
Heat On, Recovery,
Compressor Protection
• Schedule information
Following time based
schedule
• Actual time
• Mode
Select system mode
Heat/Off/Cool/Auto/
EM Heat (emergency
heat)
• Menu
Press to display options.
Start here to set a
program schedule
• Indoor temperature
setpoint
Press + or – to change
temperature setting
• Actual indoor
temperature
• Temperature/
Navigation buttons
Press to increase or
decrease temperature
setpoint and to
navigate menus and
menu options
• Fan
Select Fan mode
Auto/On/Circulate
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.
2
System operation settings
1 Press the Mode button to cycle to the next
available System mode.
2 Cycle through the modes until the required
System mode is displayed and leave it to
activate.
NOTE: Available System modes vary by model and
system settings.
System modes:
‒ Auto
‒ Heat
‒ Cool
‒ Em Heat
‒ Off
Set the time and date
Time
1 Press Menu on your thermostat.
2 Press or to go to TIME. Press Select.
3 Press or to choose between 12 or 24 hour.
Press Select.
4 Use or to adjust the hour. Press Select.
5 Use or to adjust the minutes. Press Select
to exit Time menu.
Date
1 If previously setting time, continue to Step
2. If at the Home screen, press Menu on your
thermostat.
2 Press or to go to DATE. Press Select.
3 Use or to adjust year. Press Select.
4 Use the or to adjust month. Press Select.
5 Use the or to adjust day. Press Select to
save and exit Date menu.
Fan operation settings
1 Press the Fan button to cycle to the next
available Fan mode.
2 Cycle through the modes until the required Fan
mode is displayed and leave it to activate.
NOTE: Available Fan modes vary with system
settings.
Fan modes:
‒ Auto: Fan runs only when the heating or cooling system
is on.
‒ On: Fan is always on.
‒ Circ: Fan runs randomly about 33% of the time.
3
Program Schedule
To adjust program schedules
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/cooling 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).
NOTE: To temporarily or permanently override any of the above program
schedules, see page 4.
1 Press Menu on your thermostat.
2 PROG is displayed. Press Select. Then ON is
displayed. Press Select. If you do not want to
use a schedule, press
or to display OFF.
Press Select.
3 Press or to select day or set of days to
edit. Press Select.
4 Press or to select a schedule period to
edit (Wake, Away, Home, and Sleep). Press
Select.
5 ON is displayed. Press Select to keep the
schedule period on. Or press
and then Select
to turn off the schedule period.
6 Time starts blinking. Press or to adjust
the schedule period start time. Press Select.
7 Temperature starts blinking. Press or
to adjust the “Heat” setpoint temperature.
Press Select. Press
or to adjust the “Cool”
temperature setpoint. Press Select.
8 Repeat steps 4 through 7 for the remaining
schedule periods.
9 Press Home when you’re finished to save and
return to the home screen.
10 Schedule can be adjusted and turned ON or
OFF by returning to Menu and following the
steps provided above.
Heat Cool
Wake
(6:00 am)
70
°
78
°
Away
(8:00 am)
62
°
85
°
Home
(6:00 pm)
70
°
78
°
Sleep
(10:00
pm)
62
°
82
°
4
Program schedule override (permanent)
Program schedule override (temporary)
1 Press or to adjust the temperature.
2 Once at the desired setpoint temperature,
no further action is needed. The new
setpoint temperature will be held until the
next scheduled time period begins. For more
information on schedule time periods, see
“Program Schedule” on page 3.
3 To cancel the Temporary Hold, Press or
and then press Cancel.
1 Press or to adjust the temperature.
2 TEMPORARY HOLD is displayed and
the setpoint temperature flashes. While
it’s flashing, press Hold (Mode) button to
change to Permanent Hold.
3 To cancel the Permanent Hold, press or
and then press Cancel.
Setting degrees Fahrenheit (F) or Celcius (C)
1 Press Menu.
2 Press or to go to F / C. Press Select.
3 Press or for F or C. Then press Select.
4 Press Home to return to the home screen.
Hold
5
Adaptive Intelligent Recovery
Over time, the Honeywell T6 Pro Thermostat “learns” how long it takes your
system to reach the temperature you want. It turns on the heating or cooling
system earlier to make sure you’re comfortable at the time you expect.
Damage can occur if the compressor is
restarted too soon after shutdown. This
feature forces the compressor to wait for a few
minutes before restarting.
During the wait time, the display will flash
the message Cool On (or Heat On if you have
a heat pump). When the safe wait time has
elapsed, the message stops flashing and the
compressor turns on.
Built-in compressor protection
Message flashes until safe
restart time has elapsed.
Adjusting keypad lockout
1 Press Menu on the thermostat.
2 Press or to go to LOCK. Press Select.
3 Press or to go to OFF, PART, or ON, and then press Select.
OFF: Unlocked, and full access allowed.
PAR T: Partial lockout, allowing only the temperature to be changed.
ON: No access allowed.
4 To unlock the keypad, press the CENTER button and then enter the password
“1234”. To enter the password, press
or to change the first digit of the
number. Then press Select. Repeat this process to enter the second through
fourth digits of the number. Once all four numbers have been entered, press
Select again.
5 This will unlock the keypad.
6 If the code is incorrect, the screen will flash the lines "--".
7 Press Back to go back a step to enter the correct number and press Select.
6
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.
Battery replacement
Insert fresh alkaline AA
batteries and reinstall
thermostat.
When the low battery
warning appears, press
gently to loosen the
thermostat and then
carefully pull it from the
wall mount.
Alerts
If there is an alert or reminder, the alert icon
appears on the Home screen.
Low Battery Warning
1 The batteries need to be replaced when
BAT T, the alert icon
, and the battery icon
are displayed on the Home screen.
2 When the battery power is very low, the
thermostat’s backlight is disabled to save
battery power.
3 When battery power is critically low, only
BAT T, the alert icon
, and the battery icon
are displayed.
Fan On
Heat
Home
Back
7
Air Filter Reminder
1 The alert icon appears on the Home
screen.
2 Press Menu, and then press until display
shows ALRT.
3 Press Select to display which alert(s) are
present.
4 The message REPL (REPLACE AIR FILTER)
appears.
5 The reminder can be snoozed or cleared.
Honeywell recommends changing the air
filter before clearing the reminder.
6 To snooze, press Select. The word SNZE
(SNOOZE) appears.
7 Press Select again to snooze the reminder for
7 days.
8 To clear, press Select, and then press to go
to CLER (Clear).
9 Press Select to clear the air filter reminder.
Home
Back
Select
Snoozing and Clearing Alerts or
Reminders*
1 Press Menu, and then press until display
shows ALRT.
2 Press Select to display which alert(s) are
present.
3 The word SNZE (SNOOZE) appears.
4 Press Select again to snooze the reminder for
7 days.
5 To clear the alert, press Select, and then
press
to go to CLER (Clear).
6 Press Select to clear the reminder.
* Some alerts cannot be snoozed or cleared.
Please call your local heating and cooling
professional if this occurs. The heating and
cooling system may require service.
8
Troubleshooting
If you have difficulty with your thermostat, please try the following suggestions.
Most problems can be corrected quickly and easily.
Display is
blank
• Check circuit breaker and reset if necessary.
• Make sure power switch for heating & cooling system is on.
• Make sure furnace door is closed securely.
• Make sure fresh AA alkaline batteries are correctly installed
(see page 6).
Heating
or cooling
system does
not respond
• Press Mode button to set system Heat (see page 2).
Make sure the desired temperature is set higher than the
inside temperature.
• Press Mode button to set system Cool (see page 2).
Make sure the desired temperature is set lower than the
inside temperature.
• Check circuit breaker and reset if necessary.
• Make sure power switch for heating & cooling system is on.
• Make sure furnace door is closed securely.
• Wait 5 minutes for the system to respond.
Temperature
settings do
not change
Make sure heating and cooling temperatures are set to
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 feature is engaged. Wait 5 minutes
for the system to restart safely, without damage to the
compressor (see page 5).
9
Honeywell warrants this product, excluding battery, to be free from defects in
the workmanship or materials, under normal use and service, for a period of
five (5) years from the date of purchase by the consumer. If at any time during
the warranty period the product is determined to be defective or malfunctions,
Honeywell shall repair or replace it (at Honeywell’s option).
If the product is defective,
(i) return it, with a bill of sale or other dated proof of purchase, to the place from
which you purchased it; or
(ii) call Honeywell Customer Care at 18004681502. Customer Care will make
the determination whether the product should be returned to the following
address:
Honeywell Return Goods, Dock 4 MN103860, 1985 Douglas Dr. N., Golden
Valley, MN 55422, or whether a replacement product can be sent to you.
This warranty does not cover removal or reinstallation costs. This warranty shall
not apply if it is shown by Honeywell that the defect or malfunction was caused by
damage which occurred while the product was in the possession of a consumer.
Honeywell’s sole responsibility shall be to repair or replace the product within
the terms stated above. HONEYWELL SHALL NOT BE LIABLE FOR ANY LOSS
OR DAMAGE OF ANY KIND, INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL
DAMAGES RESULTING, DIRECTLY OR INDIRECTLY, FROM ANY BREACH OF ANY
WARRANTY, EXPRESS OR IMPLIED, OR ANY OTHER FAILURE OF THIS PRODUCT.
Some states do not allow the exclusion or limitation of incidental or consequential
damages, so this limitation may not apply to you.
THIS WARRANTY IS THE ONLY EXPRESS WARRANTY HONEYWELL MAKES ON
THIS PRODUCT. THE DURATION OF ANY IMPLIED WARRANTIES, INCLUDING
THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE, IS HEREBY LIMITED TO THE FIVEYEAR DURATION OF THIS
WARRANTY.
Some states do not allow limitations on how long an implied warranty lasts, so
the above limitation may not apply to you. This warranty gives you specific legal
rights, and you may have other rights which vary from state to state.
If you have any questions concerning this warranty, please write Honeywell
Customer Relations, 1985 Douglas Dr, Golden Valley, MN 55422 or
call 18004681502.
5-year limited warranty
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