Congratulations on your purchase of a
Honeywell touch screen programmable
thermostat. When used with the optional
RedLINK Internet Gateway, you can remotely
monitor and control the heating and cooling
system in your home or business—you
can stay connected to your comfort system
wherever you go.
Honeywell’s Total Connect Comfort is the
perfect solution if you travel frequently, own
a vacation home, a business or manage
an investment property or if you are simply
looking for peace of mind.
Features of your VisionPRO thermostat
With your new thermostat, you can:
• Connect to the internet to monitor and control your heating/cooling system
and receive alerts by email (requires optional RedLINK Internet Gateway)
• View outdoor temperature and humidity (requires optional Wireless
Outdoor Sensor)
• Control humidification, dehumidifcation or ventilation (TH8321 model)
Your new thermostat also provides:
• Adaptive Intelligent Recovery—over time, the VisionPRO 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.
• Dealer information on the screen—making it easy for you to contact your
dealer for service.
• Vacation and holiday scheduling—allowing you to program a setback
temperature to save energy while you are away.
• Keypad lockout to prevent unauthorized changes.
• Equipment status—provides on/off status of all equipment controlled by
the thermostat.
• Preferences—allowing you to customize the thermostat to your desired
settings.
Regulatory information .............................. 41
Quick reference: residential use
HOME. Touch to display Home screen.
FAN. Select fan mode.
SYSTEM. Select system mode (Heat/Cool).
MENU. Touch to display options. Start here to set
a program schedule.
Current status. Shows system mode (heat/
cool), outdoor temperature and humidity (with
optional outdoor sensor).
Current schedule. Touch an arrow to change
temperature setting and select a Temporary or
Permanent Hold.
Indoor conditions. Shows indoor temperature
and humidity.
Current time. Touch to set the current time/date.
The screen lights when you
press any button. It stays lit for
7 seconds after you complete
changes. Depending on how your
thermostat was installed, the
screen light may always be on.
3
Alert Light. On when alert message is
active or system is set to EmHeat. Flashes
for battery-only power; on continuous if
system powered.
Quick reference: commercial use
HOME. Touch to display Home screen.
FAN. Select fan mode.
SYSTEM. Select system mode (Heat/Cool).
MENU. Touch to display options. Start here to set a
program schedule.
Current status. Shows system mode (heat/cool),
outdoor temperature and humidity (with optional
outdoor sensor).
Override. Touch to override program schedule.
Current schedule. Touch an arrow to change
temperature setting and set a temporary hold.
Current program status.
Indoor conditions. Shows indoor temperature and
humidity.
The screen lights when you
press any button. It stays
lit for 7 seconds after you
complete changes. Depending
on how your thermostat was
installed, the screen light may
always be on.
4
Current time. Touch to set the current time/date.
Alert Light. On when alert message is active
or system is set to EmHeat. Flashes for batteryonly power; on continuous if system powered.
Micro SD Card port. Use card to load holiday
schedules and custom events.
Setting the time/date
1 Touch the current time. The screen
displays Select Option.
2 Touch Time or Date, then touch Select.
3 Touch s or t until the proper time/date
is displayed.
4 Touch Done to save or Cancel to ignore
changes.
5 Touch Home to redisplay the Home
screen.
NOTE: The date is not shown on the
home screen; however, it should be set
to allow the thermostat to adjust time
automatically for daylight saving time and
for other features such as vacation hold.
5
Select Option
Time Date
Please Set Time
:30 PM
6
Setting the fan
1 Touch FAN to display fan settings.
2 Touch On, Auto, Circ, or Follow Schedule.
3 Touch Done to save and exit.
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 (residential use only).
Follow Schedule: Fan controlled by
program (see pages
6
8–12
).
On Auto Circ
NOTE: In commercial use,
touch Auto or On to temporarily
override the programmed fan
schedule.
Setting system mode
1 Touch SYSTEM to display system
settings.
2 Touch desired option:
Heat: Controls only the heating
system.
Cool: Controls only the cooling
system.
Off: Heating/cooling systems are off.
Auto: Selects heating or cooling
depending on the indoor temperature.
Em Heat (heat pumps with aux.
heat): Controls auxiliary/emergency
heat. Compressor is locked out.
3 Touch Done to save and exit.
7
Heat Cool Auto
Off
NOTE: The Auto and Em
Heat system settings may not
appear, depending on how your
thermostat was installed.
Preset energy-saving schedules
This thermostat uses default Energy Saver settings that can reduce your heating/cooling
expenses by as much as 33%. To customize settings, see next page.
* Period 2 is cancelled by default. If you activate it, the values shown above are
default settings.
8
Cool
(Mon-Fri)Start time
Heat
(Sat-Sun)
CoolStart timeHeatPeriod Fan
(Sat-Sun)
Cool
Adjusting program schedules
1 Touch MENU.
2 Select Edit Schedule to display Use
Scheduling Assistant?
• Touch Yes to create a schedule by
answering simple questions.
• Touch No to manually create a
program schedule. See page
NOTE: To reduce costs, use the pre-
set Energy Saver settings described
on page
9
8.
10.
Edit Schedule
View Schedule
Use Scheduling
Assistant?
Adjusting program schedules (continued)
3 Select the days to schedule, touch Next.
4 Touch s or t to set your Wake time for
selected day(s).
5 Touch s or t to set Heat and Cool
temperatures for the Wake period.
6 Touch other time periods (Leave, Return,
Sleep) to set time and temperatures for
each.
7 Touch Done to save and exit (Touch Cancel
to exit without saving changes).
Select the days
to schedule
NOTE: Touch Cancel Period to eliminate
any unwanted time period.
NOTE: Touch Fan Setting to customize fan
settings for any time period.
10
Set Wake
time & temperature
Overriding schedules: residential use
1 Touch s or t to adjust the
temperature (right side of screen)
and the Hold Until time (left side). The
schedule will resume when the Hold
Until time expires.
2 Select Permanent Hold to keep the
same temperature until you change it
or resume the program schedule.
Touch Cancel Hold at any time to resume
the program schedule.
11
Temporary Hold
Permanent Hold
Overriding schedules: commercial use
Touch s or t to adjust the temperature.
It will be maintained until the hold time you
set.
• To change the hold time, touch the
Hold Until arrow buttons. This time
can be adjusted up to the maximum
time set by the installer.
• Touc h Override to use a pre-set
occupied temperature if a person
uses the room during an unoccupied
period. The new temperature will be
maintained for 1 hour and can be
adjusted up to the maximum time set
by the installer.
The programmed schedule will resume
when the override timer expires. Touch
Cancel Hold at any time to resume the
program schedule.
12
Viewing equipment status
1 Touch MENU.
2 Select Equipment Status.
3 Touch s or t to view the status of
all the equipment your thermostat
is controlling. Depending on how
your thermostat was installed, the
Equipment Status screen can report
data about the following systems:
• Heating and cooling
• Fan
• Humidification
• Dehumidification
• Ventilation
• Maintenance reminders
• Thermostat information.
13
Equipment Status
Date/Time
Heat Stage 1: Off
Cool Stage 1: On
Setting vacation hold: residential use
This feature helps you save energy while
you are away, and restores comfortable
settings just before you return home.
1 Touch MENU.
2 Select Vacation Mode.
3 Touch s or t to select the date
you leave, then touch Next for further
scheduling details, including times of
day, temperature settings, return date,
and return settings.
4 Review your selections on the last
display, and touch Done to save your
settings. Touch Cancel to ignore the
changes.
14
Vacation Mode
Equipment Status
Date You Leave
Jul 25 - Jul 26
Heat: 72 Cool: 78
Jul 17, 2012
Setting holiday/event schedules: commercial use
This feature helps you conserve energy
when the workplace is unoccupied for
special events and holidays.
1 Touch MENU.
2 Select Holiday Schedule.
3 Select the item you want to schedule
and touch Next for further scheduling
details.
• Custom Events lets you set up
other days for special schedules.
• US and Canadian Holiday options
let you select from a list of holidays
commonly observed in each
country.
4 Make selections as prompted on each
screen. For more information, see next
two pages.
5 Touch Done to save your settings.
15
Holiday Schedule
Holiday Mode
Custom Events
US Holidays
Setting custom events: commercial use
This feature lets you customize temperature
settings to be maintained during a specific
event. You can set up an event for a specific
date or day in a month. The thermostat
resumes normal scheduling after the event.
1 Select Custom Events from the Holiday
Schedule menu.
2 Select Create New Event.
3 Select Specific Date or Month/Weekday.
• For Specific Date, you are prompted to
select the event’s start date, settings,
end date, and frequency.
• For Month/Weekday, you are prompted to
select the month, day of the week, week
of the month, settings, length of event,
and frequency for the event.
4 Review the settings and touch Done to save
them. Touch Cancel to ignore the changes.
16
Custom Events
US Holidays
Create New Event
Select Occurence
Specific Date
Schedule adjusted
to 62 in heating
Setting holiday schedule: commercial use
This feature lets you customize temperature
settings to be maintained on specified national
holidays. The thermostat resumes normal
scheduling between selected holidays.
1 Select US Holidays or Canadian Holidays from
the Holiday Schedule menu.
2 Select Add/Edit Holidays. A list of national
holidays is displayed.
3 Touch the check box next to each holiday for
which you want to maintain specific settings,
(Touch s or t to scroll through the holiday
list.) then touch Next.
Set the holiday schedule for Occupied
or Unoccupied temperatures, depending
whether the building will be in use.
4 Touch s or t to select the Heat and Cool
temperatures.
5 Review the settings and touch Done to save
them. Touch Cancel to ignore changes.
17
Add / Edit Holidays
Select US holidays
New Year’s Day
Temperature
During Holiday
Setting holiday override: commercial use
This feature lets you customize temperature
settings to be maintained from now until
a specified date. The thermostat resumes
normal scheduling on the date you select.
1 Touch MENU.
2 Select Holiday Mode to display
Temperature While Away.
3 Touch s or t to select the Heat and
Cool temperatures, then touch Next to
select return date.
4 Review the settings and touch Done to
save them. Touch Cancel to ignore the
changes.
NOTE: The cool temperature can only be
set higher than the unoccupied program
setting and the heat temperature can
only be set lower than the unoccupied
program setting.
18
Holiday Mode
Equipment Status
Temperature
While Away
Initiating occupancy mode: commercial use
This feature keeps temperature at an energysaving level until you touch PressStart Occupancy. When you arrive, touch
the message to maintain a comfortable
temperature while the room is occupied.
Touch the s or t buttons to set the
temperature or the Hold Until time. The
temperature is maintained until the time you
set. Temperature returns to an energy-saving
level after the timer expires, or the “Occupied”
period ends.
NOTE: This feature is available only when
programmed by the installer.
19
HERE
to
Press HERE to
Start Occupancy
Remote setback (commercial use)
During Occupied program periods, an occupancy sensor directs the thermostat to go
to REMOTE SETBACK settings when the room is empty. If someone is in the room,
it uses the Occupied program period settings. The thermostat ignores the occupancy
sensor during Unoccupied program periods.
If the thermostat is set up to be non-programmable, the sensor directs the thermostat
to go to REMOTE SETBACK settings when the room is empty. If someone is in the
room, then it follows the settings set by the user.
Depending on how your thermostat was installed, it may delay for up to 30 minutes
before switching to REMOTE SETBACK settings. This delay allows the room to stay
comfortable if the room is unoccupied for only a short time.
20
Adjusting humidification settings
1 Touch MENU and select Humidification.
2 Select Auto.
3 Touch s or t to select humidity level.
4 Touch Done to save your settings. Touch
Cancel to ignore changes.
5 If frost or condensation appears on the
windows, touch MENU, then select Window
Protection. (Use a lower number to prevent
frost or condensation. Use a higher number
if indoor air is too dry.)
NOTE: Window Protection is available only
if an outdoor air sensor is installed.
NOTE: The thermostat controls
humidification and dehumidification as
needed to maintain the desired humidity
level. Depending on how your thermostat
was installed, the thermostat may maintain
a 15% separation between humidification
and dehumidification settings.
21
Humidification
Window Protection
Humidification
Off Auto
Adjusting dehumidification settings: residential use
This feature can control a dehumidifier or
use your air conditioner to reduce humidity.
1 Touch MENU and select Dehumidification.
2 Select Auto.
3 Touch s or t to select humidity level.
4 Touch Done to save your settings. Touch
Cancel to ignore changes.
NOTE: If your air conditioner is used to
control humidity, the temperature may
drop up to 3° F below your temperature
setting until humidity reaches the desired
level.
22
Dehumidification
Equipment Status
Dehumidification
Off Auto
Adjusting dehumidification settings: commercial use
This feature can control a dehumidifier or
use your air conditioner to reduce humidity.
1 Touch MENU and select Dehumidification.
2 Select Auto.
3 Touch s or t to select humidity level.
4 Touch Done to save your settings. Touch
Cancel to ignore changes.
If your air conditioner is used to control
humidity, the thermostat may use the
following methods to maintain humidity:
• Cool from 1° to 5° F lower than your
temperature setting.
• Run cooling for the minimum “on” time to
reduce humidity.
• Run cooling and heating at the same
time to reduce humidity without lowering
the temperature.
23
Dehumidification
Equipment Status
Dehumidification
Off Auto
Adjusting ventilation settings
1 Touch MENU, and select Ventilation.
2 Select Mode, Temporary Boost, or
Lockout, then select appropriate
options. (For options, see next page.)
3 Touch Done to save your settings.
Touch Cancel to ignore changes.
24
Ventilation
Equipment Status
Mode
Temporary Boost
Ventilation options
Mode:
Auto: Ventilation runs as programmed by
the installer.
Off: Ventilation remains off unless turned
on using the timer.
On: Ventilation is always on.
Temporary Boost: Touch s or t to select how
long to run ventilation temporarily. To turn it
off, set it to zero.
Lockout: Touch s or t to select Yes or
No, then touch Next. Select Yes to prevent
ventilation from running during the Sleep or
Unoccupied (commercial) program periods or
when outdoor conditions exceed values set by
the installer.
25
Ventilation Mode
Off Auto On
Run Ventilation For
60 minutes
Lockout in Sleep
Period: No
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