VisionPRO® TH8000 Series
Touchscreen Programmable Thermostat
Operating Manual
69-1894EFS-03
BE CAREFUL! Never use sharp instruments, such as a pencil
or pen, to press touchscreen keys. To prevent damage to the
thermostat, always press keys with your fingertip.
This manual covers the following models
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This thermostat contains a Lithium battery which may contain Perchlorate material.
Perchlorate Material—special handling may apply,
See www.dtsc.ca.gov/hazardouswaste/perchlorate
TH8110 U : For 1 Heat /1 Cool systems
TH8320U: For up to 3 Heat /2 Cool systems
TH8321U: For up to 3 Heat/2 Cool systems with dehumidification
(Pull thermostat from wallplate and turn over to find model number)
M29343
Need Help?
For assistance with this product please visit http://yourhome.honeywell.com
or call Honeywell Customer Care toll-free at 1-800-468-1502
Read and save these instructions.
® U.S. Registered Trademark.
69-1894EFS—03
US Paten t No. 659 5430 , D509151 and other patent s pending.
Copyr ight © 20 11 Honeywe ll Internati onal In c. All r ights r eser ved.
Table of contents
VisionPRO® TH8000 Series
About your new thermostat
Thermostat features .............................. 2
Programming at a glance ..................... 3
Quick reference to controls .................. 4
Quick reference to status display ........ 5
Programming & Operation
Clock setting.......................................... 6
Fan setting ............................................. 7
System setting ....................................... 8
Using program schedules ..................... 9
Program schedule overrides .............. 12
Vacation hold ....................................... 14
Special features ................................... 15
Screen lock .......................................... 16
Screen cleaning ................................... 17
Humidity display & control .................. 18
Appendices
Battery replacement ............................ 20
Advanced functions ............................ 21
In case of difficulty .............................. 26
Optional remote sensors .................... 28
Limited warranty .................................. 29
This thermostat is ready to go!
Your new thermostat is preprogrammed and ready to go.
See page 3 to check settings.
CAUTION: EQUIPMENT DAMAGE
HAZARD. To prevent possible
compressor damage, do not operate cooling system when outdoor
temperature is below 50˚F (10˚C).
1
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Operating Manual
About your new thermostat
Congratulations! You’ve just purchased the world’s most advanced, easy-to-use thermostat. It has been designed to give you many years of reliable service and touchscreen climate control.
Features
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• 7-day program schedules maximize comfort and economy.
• Armchair programming: Just pull thermostat from the wall to set schedules.
• Energy-saving settings for maximum cost savings.
• One-touch temp control overrides program schedule at any time.
• Precise comfort control keeps temperature within 1°F of the level you set.
• Change/check reminders let you know when to service or replace filters,
batteries and other critical components.
• Large touchscreen display with backlight is easy to read—even in the dark.
• Select models display and control summer humidity.
• Select models accommodate optional outdoor or indoor remote sensors.
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2
VisionPRO® TH8000 Series
About your new thermostat
This thermostat is ready to go!
Your new thermostat is pre-programmed and ready to go. Just set the time and day.
Then check the settings below and change if needed:
1. Set clock ........................................................................................................See page 6
2. Select fan setting: Preset to Auto ..............................................................See page 7
3. Select system setting: Preset to Heat ......................................................See page 8
4. Program schedules: Preset to energy-saving levels
while you’re at work or asleep (assumes you
wake at 6 am, leave at 8 am, return at 6 pm
and go to bed at 10 pm) .......................................................................See pages 10-13
ONE-TOUCH TEMP CONTROL: You can override the program schedule at any time,
and manually adjust the temperature (see pages 12-14).
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3
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Operating Manual
Quick reference to controls
Press day(s) to set program schedule (see page 11)
Press to select fan
operation (see page 7)
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Press to select system
type (see page 8)
Press to set program
schedule (see page 11)
Press to override
program schedule
(see pages 12-14)
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TUE WED THU FRI SAT SUN
MON
OK TO PICK MULTIPLE DAYS
FAN
Inside
AUTO
70
SYSTEM
HEAT
SCHED HOLD CLOCK SCREEN MORE
6:01
AM
Press to set clock
(see page 6)
4
Set To
70
Following
Schedule
Press to adjust
temperature settings
(see pages 11-14)
Press for more options
(select models only)
M29344
Press to lock keypad for 30
seconds to clean screen
(see page 17)
VisionPRO® TH8000 Series
Quick reference to status display
Current inside temperature Current day of week Temperature setting
WED
FAN
Fan setting
System setting
Current time
Inside
AUTO
70
SYSTEM
HEAT
6:01
SCHEDHOLD CLOCKSCREEN MORE
Other display messages:
• Cool On: Cooling system is activated
• Heat On: Heating system is activated
• Aux Heat On: Auxiliary heating system is activated
Set To
70
Following
Schedule
Recovery
AM
M29345
Program schedule on
(does not display
when off)
Adaptive Intelligent
Recovery in effect
(see page 15)
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5
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Operating Manual
Clock setting
Press CLOCK
AM
6:01
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SCHED HOLD CLOCK SCREEN MORE
Adjust time, then press DONE
6:02
DONE CANCEL
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AM
M29346
M29347
To set the current time display, press CLOCK,
then press s or t to adjust the time. Press
and hold s or t to advance the time more
quickly.
Press DONE to save & exit (or press CANCEL to
exit without changing the time).
Note: The real-time clock should never require
adjustment since it automatically updates for
daylight savings time, and stores all date/time
information.
Note: To change the current week day display, see
page 22.
6
Fan setting
VisionPRO® TH8000 Series
WED
FAN
Inside
AUTO
70
SYSTEM
HEAT
6:01
SCHEDHOLDCLOCK SCREEN MORE
Note: If a fan schedule is programmed,
“Auto” will run the fan schedule.
Set To
AM
Press FAN
70
Following
Schedule
M29348
Press FAN to select fan operation, then press
DONE.
• On: Fan is always on.
• Auto: Fan runs only when the heating or
cooling system is on.
• Circ: Fan runs randomly, about 35% of the
time, not counting any run time with the
heating or cooling system.
You can press FAN to override the fan settings
you’ve programmed for different time periods
(see page 11). If you select On or Circ, the
setting you select will remain active until you
press FAN again to select Auto (see page 27
for more information).
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Operating Manual
System setting
FAN
Inside
AUTO
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SYSTEM
HEAT
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WED
Set To
70
AM
6:01
SCHED HOLD CLOCKSCREEN MORE
70
Following
Schedule
M29349
Press the SYSTEM button to select, then press
DONE.
• Heat: Thermostat controls only the
heating system.
• Cool: Thermostat controls only the
cooling system.
• Off: Heating and cooling systems are off.
• Auto: Thermostat automatically selects
heating or cooling depending on the
indoor temperature.**
• Em Heat (only for heat pumps with
auxiliary heat): Thermostat controls
Emergency and Auxiliary Heat.
Compressor is locked out.**
** Select models only
8
VisionPRO® TH8000 Series
Save money by setting program schedules
It’s easy to program your system for maximum energy savings. You can program four
time periods each day, with different settings for weekdays and weekends.
WAKE
6:00 am
°
70
LEAVE
8:00 am
°
62
RETURN
6:00 pm
°
70
SLEEP
10:00 pm
°
62
Set to the time you awaken and the temperature you want
during the morning, until you leave for the day.
Set to the time you leave home and the temperature you
want while you are away (usually an energy-saving level).
Set to the time you return home and the temperature you
want during the evening, until bedtime.
Set to the time you go to bed and the temperature you want
overnight (usually an energy-saving level).
9
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Operating Manual
Energy-saving settings for maximum cost savings
This thermostat is pre-set with energy-saving program settings. We recommend these
settings, since they can reduce your heating/cooling expenses by as much as 33%.
(See next page to adjust times and temperatures of each time period.)
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Cool (Mon-Fri)Heat (Mon-Fri) Heat (Sat-Sun) Cool (Sat-Sun)
Wake
(6:00 am)
Leave
(8:00 am)
Return
(6:00 pm)
Sleep
(10:00 pm)
70
62
70
62
°
°
°
°
78
85
78
82
°
°
°
[Or cancel period]
°
°
70
°
62
[Or cancel period]
°
70
°
62
°
78
°
85
[Or cancel period]
°
78
[Or cancel period]
°
82
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10
To adjust program schedules
VisionPRO® TH8000 Series
Press SCHED
SCHED HOLD CLOCKSCREEN MORE
70
M29350
M29351
HEAT
COOL
M29352
Press EDIT
DONE WAKE LEAVERETURN SLEEPEDIT CANCEL
Select day(s) Set heat/cool levels
MON
TUE WED THU FRI SATSUN
OK TO PICK MULTIPLE DAYS
FAN
AUTO
CANCEL
PERIOD
6:00
DONE WAKE LEAVERETURN SLEEP CANCEL
AM
78
Set time for program
period to start
1. Press SCHED, then EDIT.
2. Press day buttons (MON-SUN) to select
day(s).
3. Press s or t to set Wake time for selected
day(s).
4. Press s or t to set Heat and Cool
temperature for this time period.
5. Press other time periods (LEAVE, RETURN,
SLEEP) to set time and temperatures for
each.
6. Press DONE to save & exit (or press CANCEL
to exit without saving changes).
Note: You can press CANCEL PERIOD to eliminate any
unwanted time period.
Note: Press FAN to customize fan settings for any
time period (see page 7).
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Operating Manual
Program schedule override (temporary)
FAN
AUTO
SYSTEM
HEAT
Inside
Hold Temperature
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8:00
SCHEDHOLDCLOCK SCREEN MORE
Press to set timer
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Adjust temperature
WED
Set To
70
Until
AM
Press CANCEL (or SCHED) to
resume program schedule
73
Heat On
CANCEL
M29353
Press s or t to immediately adjust the temperature. This will temporarily override the
temperature setting for the current time period.
The new temperature will be maintained only
until the time you set. When the timer expires,
the program schedule will resume and set the
temperature to the level you’ve programmed
for the current time period.
To cancel the temporary setting at any time,
press CANCEL (or SCHED). The program schedule
will resume.
12
Program schedule override (permanent)
VisionPRO® TH8000 Series
Press HOLD Adjust temperature
WED
FAN
Inside
AUTO
70
SYSTEM
HEAT
8:00
Permanent
Hold
SCHED HOLD CLOCKSCREEN MORE
Press CANCEL (or SCHED) to
resume program schedule
Set To
73
Heat On
AM
CANCEL
M29354
Press HOLD to permanently adjust the
temperature. This will turn off the program
schedule.
Whatever temperature you set will be
maintained 24 hours a day until you manually
change it or press CANCEL (or SCHED) to cancel
“Hold” and resume the program schedule.
13
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Operating Manual
Vacation hold
1. Set temperature
FAN
Inside
AUTO
70
ENGLISH
SYSTEM
Hold Temperature
HEAT
Until
6:00
SCHEDHOLDCLOCK SCREEN MORE
2. Press to set time for
3. Press HOLD twice
SYSTEM
Hold Temperature
HEAT
Until
14
SCHED HOLD CLOCKSCREEN MORE
4. Press to select number of days
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Set To
AM
schedule to resume
DAYS
55
CANCEL
M29355
CANCEL
M29356
This feature can suspend the program sched-
ule for extended periods of time.
Press s or t to set the temperature you want,
then press s or t to set the time of day you
want the schedule to resume when you return.
Press HOLD twice, then press s or t to select
the number of days.
Whatever temperature you set will be maintained 24 hours a day for the number of days
you select. After this number of days have
elapsed, the previously programmed schedule
will resume at the time you set.
If you return earlier than expected, press
CANCEL (or SCHED) to cancel “Hold” and resume
the program schedule.
14
VisionPRO® TH8000 Series
Special features
Auto Changeover: When set to Auto, the thermostat automatically selects heating or
cooling depending on the indoor temperature.
Adaptive Intelligent Recovery: This feature allows the thermostat to “learn” how
long the furnace and air conditioner take to reach programmed temperature settings,
so the temperature is reached at the time you set. For example: Set the Wake time to
6 am, and the temperature to 70°. The heat will come on before 6 am, so the tempera-
ture is 70° by the time you wake at 6. The message “Recovery” is displayed when the
system is activated before a scheduled time period.
Compressor Protection: This feature forces the compressor to wait a few minutes
before restarting, to prevent equipment damage. During the wait time, the message
“Wait” is displayed on screen.
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Operating Manual
Screen lock
WED
FAN
Inside
AUTO
ENGLISH
SYSTEM
70
HEAT
6:00
SCHED HOLD CLOCK SCREEN MORE
See advanced function
0670 (page 25) for
screen lock options
69-1894EFS—03
To prevent tampering, the screen can be par-
SCREEN LOCKED
Set To
70
Following
Schedule
tially or fully locked.
When partially locked, the screen displays
SCREEN LOCKED for several seconds if a locked
key is pressed. To unlock the screen, press any
unlocked key while SCREEN LOCKED appears on
PM
the screen.
When the screen is fully locked, no keys
function. To lock or unlock the screen, see
M29357
advanced function 0670 on page 25.
16
Screen cleaning
VisionPRO® TH8000 Series
Press SCREEN
30
PM
OK TO
CLEAN
SCREEN
6:00
SCHEDHOLDCLOCK SCREEN MORE
Screen lock timer (30 seconds)
M29358
M29359
Press SCREEN to lock the screen for cleaning.
The screen will remain locked for 30 seconds
so you can clean the screen without changing
any settings.
After 30 seconds, press DONE to resume normal
operation, or press SCREEN again if you require
more time for cleaning.
Note: Do not spray any liquid directly on the
thermostat. Spray liquids onto a cloth, then use
the damp cloth to clean the screen. Use water or
household glass cleaner. Avoid abrasive cleansers.
17
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Operating Manual
About your new thermostat
Humidity level display (select models)
FAN
Inside
AUTO
ENGLISH
SYSTEM
70
HEAT
6:00
SCHED HOLD CLOCK SCREEN MORE
Indoor humidity level
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WED
Select models can display the current indoor
humidity level.
Set To
70
Following
Schedule
(If an optional outdoor sensor is installed,
the outdoor temperature is shown instead of
the humidity level. Press MORE to display the
humidity level.)
PM
43
Humidity
M29360
18
About your new thermostat
Dehumidification control (select models)
VisionPRO® TH8000 Series
Press MORE until humidity is displayed
52
Humidity
PM
M29361
DEHUMIDIFIER
6:00
SCHEDHOLDCLOCK SCREEN MORE
Press to set desired humidity
Inside
45
DONE CANCEL
Press to save & exit
M29362
Select models allow you to decrease summer
humidity.
The thermostat monitors humidity. When
humidity increases, the thermostat runs the air
conditioner longer to reduce humidity (up to
3°F below your cooling temperature setting).
Press MORE until the humidity screen is displayed, then press s or t to set the desired
humidity level.
Press DONE to save and exit, or press CANCEL to
exit without saving changes.
19
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Operating Manual
About your new thermostat
Battery replacement
Grasp thermostat and pull to remove
fom wallplate
ENGLISH
Insert 3 fresh AAA alkaline batteries
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M29364
M29363
Batteries are optional (to provide backup
power) if your thermostat was wired to run on
AC power when installed.
Install fresh batteries immediately when the
LO BATT warning begins flashing. The warning flashes about 30 days before batteries are
depleted.
Even if the warning does not appear, you
should replace batteries once a year, or before
leaving home for more than a month.
20
About your new thermostat
Advanced functions
VisionPRO® TH8000 Series
1. Press SYSTEM.
TUE
FAN
Inside
AUTO
70
SYSTEM
HEAT
6:01
SCHED HOLD
M29365
2. Press and hold
blank center key
until the display
changes.
AM
3. Change settings as
required (see pages
22-25).
4. Press DONE to exit &
save changes.
21
SYSTEM
HEAT
DONE CANCEL
Function Setting
DONE
Press s/t to
select function
6:01
0120
AM
20
Press s/t to
change setting
69-1894EFS—03
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M29366
Operating Manual
About your new thermostat
Advanced functions
Year setting (first two digits)
Function
0120
Options:
ENGLISH
Press s/t to change the first two digits of the year:
20 = Yea r 20xx
21 = Yea r 21xx
Year setting (second two digits)
Function
0130
Options:
Press s/t to change the last two digits of the year:
01 - 99 (i.e., 2001 - 2099)
Month setting
Function
0140
Options:
Press s/t to change the current month:
1 - 12 (i.e., January - December)
Date setting
Function
0150
Options: 1 - 31
Press s/t to change the current date:
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22
VisionPRO® TH8000 Series
Advanced functions
Program schedule on/off
Function
0160
Options: 0 Program schedule is off. Thermostat is non-programmable.
Temperature format (°F/°C)
Function
0320
Options: 0 Fahrenheit
Daylight savings time on/off
Function
0330
Options: 0 Off: No adjustment for daylight savings time
Press s/t to turn the program schedule on or off:
4 Program schedule is on (7-day programmable).
Press s/t to set the temperature display format:
1 Celsius
The thermostat is pre-programmed to automatically adjust to daylight savings time.
Press s/t to select an option:
1 On: Auto-change to daylight savings time (through 2006, and for areas that
do not use the new 2007 DST calendar)
2 On: Auto-change to daylight savings time (2007 and beyond, for areas that
use the new 2007 DST calendar)
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23
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Operating Manual
About your new thermostat
Advanced functions
Furnace filter change reminder
Function
0500
Options: 0 Off (no reminder to change furnace filter)
ENGLISH
This feature displays an alert to remind you to change the furnace filter.
Press s/t to set the desired reminder interval:
1 Reminder after 10-day run time (about 1 month)
2 Reminder after 30-day run time (about 3 months)
3 Reminder after 60-day run time (about 6 months)
4 Reminder after 90-day run time (about 9 months)
5 Reminder after 120-day run time (about 1 year)
6 Reminder after 365-day run time (about 3 years)
Humidifier pad change reminder
Function
0510
Options: 0 Off (no reminder to change humidifier pad)
This feature displays an alert to remind you to change the humidifier pad.
Press s/t to set the desired interval:
1 Reminder after 3 months
2 Reminder after 6 months
3 Reminder after 1 year
Note: Press RESET
to cancel the alert
Note: Press RESET
to cancel the alert
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24
Advanced functions
UV lamp change reminder
Function
0520
Options: 0 Off (no reminder to change UV lamp)
Program schedule periods
Function
0540
Options: 2 Two program periods (Wake, Sleep)
Clock format
Function
0640
Options: 12 12-hour clock (i.e., “3:30 pm”)
Screen lock
Function
0670
Options: 0 Screen is unlocked (fully functional)
This feature displays an alert to remind you to change the ultraviolet lamp.
Press s/t to set the desired interval:
1 Reminder after 1 year
Press s/t to set the number of program periods:
4 Four program periods (Wake, Leave, Return, Sleep)
Press s/t to set the clock display format:
24 24-hour clock (i.e., “15:30”)
Press s/t to choose a screen lock setting (see page 16):
1 All functions locked except temperature controls and CANCEL key
2 Screen is fully locked
25
VisionPRO® TH8000 Series
Note: Press RESET
to cancel the alert
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Operating Manual
In case of difficulty
If you have difficulty with your thermostat, please try the following suggestions.
Most problems can be corrected quickly and easily.
Display is blank
ENGLISH
• Check circuit breaker and reset if necessary.
• Make sure power switch at heating & cooling system is on.
• Make sure furnace door is closed securely.
• If thermostat is battery powered, make sure fresh AAA alkaline
batteries are correctly installed (see page 20).
No response to
key presses (or
temperature will
not change)
Backlight is dim
69-1894EFS—03
• Check to make sure the thermostat is not locked (see page 25).
Make sure heating and cooling temperatures are set to acceptable ranges:
• Heat: 40° to 90°F (4.5° to 32°C)
• Cool: 50° to 99°F (10° to 37°C)
• If thermostat is battery powered, make sure fresh AAA alkaline
batteries are correctly installed (see page 20).
• If thermostat is AC powered, a dim display is normal. The backlight
remains on at a low level, and brightens when a key is pressed.
26
In case of difficulty
VisionPRO® TH8000 Series
Heating or
cooling system
does not respond
Display shows
Fan Auto and On
or Auto and Circ
at the same time
• Press SYSTEM to set system to Heat. Make sure the temperature is set
higher than the Inside temperature.
• Press SYSTEM to set system to Cool. Make sure the temperature is set
lower than the Inside temperature.
• Check circuit breaker and reset if necessary.
• Make sure power switch at heating & cooling system is on.
• Make sure furnace door is closed securely.
• If “Wait” is displayed, the compressor protection timer is on. Wait
5 minutes for the system to restart safely, without damaging the
compressor (see page 15).
• This is normal operation. Auto indicates the thermostat is following the
programmed fan setting. If Auto and On is shown, the fan is scheduled
for “On” during this period (see page 7).
27
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