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Operating Manual  
Mode d’emploi  
Manual de Uso  
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VisionPRO IAQ  
Total Home Comfort System  
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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 thermostat contains a Lithium battery which may contain  
Perchlorate material.  
Perchlorate Material—special handling may apply,  
See www.dtsc.ca.gov/hazardouswaste/perchlorate.  
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.  
US Patent No. 6,208,263; 6,373,376; 6,448,901; 6,595,430;  
,012,927; 7,044,397; D509151 and other patents pending.  
Copyright © 2009 Honeywell International Inc. All rights reserved.  
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VisionPRO IAQ  
Table of contents  
About your new thermostat  
Appendices  
Advanced functions ............................ 20  
In case of difficulty.............................. 27  
Limited warranty.................................. 29  
Programming at a glance ..................... 2  
Quick reference to controls .................. 3  
Quick reference to status display ........ 4  
Programming & Operation  
Clock setting.......................................... 5  
Fan setting............................................. 6  
System setting....................................... 7  
Energy Star settings.............................. 8  
Using program schedules..................... 9  
Program schedule overrides .............. 10  
Vacation hold....................................... 12  
Special features................................... 13  
Screen lock.......................................... 14  
Screen cleaning................................... 15  
Optional remote sensors .................... 16  
Humidity control.................................. 17  
Ventilation control................................ 19  
This thermostat is ready to go!  
Your new thermostat is pre-  
programmed and ready to go.  
See page 2 to check settings.  
CAUTION: EQUIPMENT DAMAGE  
HAZARD. To prevent possible  
compressor damage, do not oper-  
ate cooling system when outdoor  
temperature is below 50˚F (10˚C).  
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Operating Manual  
About your new thermostat  
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
2
3
4
. Set clock........................................................................................................See page 5  
. Select fan setting: Preset to Auto..............................................................See page 6  
. Select system setting: Preset to Heat ......................................................See page 7  
. 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 8-11  
5
. Set humification, dehumidification  
&
ventilation controls, if applicable............................................... See pages 17-19  
ONE-TOUCH TEMP CONTROL: You can override the program schedule at any time,  
and manually adjust the temperature (see pages 10-11).  
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Quick reference to controls  
Press day(s) to set program schedule (see page 9)  
Press to select fan  
Press to adjust  
MON  
TUE  
WED  
THU  
FRI  
SAT  
SUN  
operation (see page 6)  
temperature settings  
(see pages 9-11)  
OK TO PICK MULTIPLE DAYS  
FAN  
Inside  
Set To  
AUTO  
70  
Press to select system  
type (see page 7)  
7
0
Following  
Schedule  
SYSTEM  
Press for more options  
HEAT  
AM  
Press to set program  
schedule (see page 9)  
6:01  
HOLD  
SCHED  
CLOCK SCREEN MORE  
Press to override  
program schedule  
Press to set clock  
(see page 5)  
Press to lock keypad for 30  
seconds to clean screen  
(see page 14)  
(see pages 10-11)  
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Quick reference to status display  
Current inside temperature  
Current day of week  
Temperature setting  
WED  
Program schedule on  
FAN  
Inside  
Set To  
(does not display  
Fan setting  
AUTO  
70  
7
0
when off)  
Following  
Schedule  
Recovery  
SYSTEM  
Adaptive Intelligent  
Recovery in effect  
(see page 13)  
System setting  
Current time  
HEAT  
AM  
6
SCHED  
:01  
HOLD  
5
5
Humidity  
Inside humidity (If  
CLOCK SCREEN MORE  
an outdoor sensor is  
installed, the outdoor  
temperature is shown  
instead of the humidity  
level. Press MORE to dis-  
play the humidity level.)  
Other display messages:  
Cool On: Cooling system is activated  
Heat On: Heating system is activated  
Aux Heat On: Auxiliary heating system is activated  
Wait: Compressor protection activated (see page 13)  
Screen Locked: See page 26 to unlock  
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Clock setting  
Press CLOCK  
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.  
AM  
6
:01  
HOLD  
SCHED  
CLOCK SCREEN MORE  
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.  
Adjust time, then press DONE  
AM  
Note: To change the current week day display, see  
6
:02  
page 21.  
DONE  
CANCEL  
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Fan setting  
Press FAN to select fan operation, then press  
DONE:  
WED  
FAN  
Inside  
Set To  
On: Fan is always on.  
AUTO  
70  
7
0
Auto: Fan runs only when the heating or  
cooling system is on.  
Following  
Schedule  
SYSTEM  
HEAT  
AM  
 Circ: Fan runs randomly, about 35% of the  
time, not counting any run time with the  
heating or cooling system.  
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SCHED  
:01  
HOLD  
CLOCK SCREEN MORE  
You can press FAN to override the fan settings  
you’ve programmed for different time periods  
Press FAN  
(
see page 9). If you select On or Circ, the  
setting you select will remain active until you  
press FAN again to select Auto, and return  
to the fan schedule (see page 28 for more  
information).  
Note: If a fan schedule is programmed,  
Auto” will run the fan schedule.  
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System setting  
Press the SYSTEM button to select, then press  
DONE:  
WED  
FAN  
Inside  
Set To  
Heat: Thermostat controls only the  
AUTO  
70  
7
0
heating system.  
Following  
Schedule  
SYSTEM  
Cool: Thermostat controls only the  
HEAT  
AM  
cooling system.  
6
SCHED  
:01  
HOLD  
Off: Heating and cooling systems are off.  
CLOCK SCREEN MORE  
Auto: Thermostat automatically selects  
heating or cooling depending on the  
indoor temperature.  
Press SYSTEM  
Em Heat (only for heat pumps with  
auxiliary heat): Thermostat controls  
Auxiliary Heat. Compressor is not used.  
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EnergyStar settings for maximum cost savings  
It’s easy to program your system for maximum energy savings. You can program four  
time periods each day, with different settings for each day.  
®
This thermostat is pre-set to use EnergyStar 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.)  
Heat (Mon-Fri) Cool (Mon-Fri) Heat (Sat-Sun) Cool (Sat-Sun)  
Wake  
70 °  
62 °  
70 °  
62 °  
78 °  
85 °  
78 °  
82 °  
70 °  
78 °  
(
6:00 am)  
Leave  
8:00 am)  
°
°
6
2
85  
°
78  
(
[
Or cancel period]  
[Or cancel period]  
Return  
6:00 pm)  
°
7
0
(
[
Or cancel period]  
[Or cancel period]  
Sleep  
10:00 pm)  
62 °  
82 °  
(
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To adjust program schedules  
Press SCHED  
1. Press SCHED, then EDIT.  
2
. Press day buttons (MON-SUN) to select  
day(s).  
SCHED  
HOLD  
CLOCK SCREEN MORE  
3
. Press s or t to set your Wake time for  
selected day(s).  
Press EDIT  
DONE  
EDIT  
WAKE  
LEAVE RETURN SLEEP CANCEL  
4. Press s or t to set Heat and Cool  
temperature for this time period.  
Select day(s)  
Set heat/cool levels  
5
. Press other time periods (LEAVE, RETURN,  
SLEEP) to set time and temperatures for  
each.  
MON  
TUE  
WED  
THU  
FRI  
SAT  
SUN  
OK TO PICK MULTIPLE DAYS  
FAN  
6
. Press DONE to save & exit (or press CANCEL  
to exit without saving changes).  
HEAT  
AUTO  
70  
CANCEL  
PERIOD  
Note: You can press CANCEL PERIOD to eliminate any  
unwanted time period.  
AM  
COOL  
6
:00  
78  
Note: Press FAN to customize fan settings for any  
time period (see page 6).  
DONE  
WAKE  
LEAVE RETURN SLEEP CANCEL  
Set time for program  
period to start  
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Program schedule override (temporary)  
Adjust temperature  
Press s or t to immediately adjust the  
temperature. This will temporarily override the  
temperature setting for the current time period.  
WED  
FAN  
Inside  
Set To  
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.  
HEAT  
AUTO  
73  
7
0
Heat On  
SYSTEM  
Hold Temperature  
HEAT  
Until  
AM  
COOL  
8
SCHED  
:00  
HOLD  
78  
CLOCK SCREEN MORE  
CANCEL  
To cancel the temporary setting at any time,  
press CANCEL (or SCHED). The program schedule  
will resume.  
Press to set timer  
Press CANCEL (or SCHED) to  
resume program schedule  
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Program schedule override (permanent)  
Press HOLD  
Adjust temperature  
Press HOLD to permanently adjust the  
temperature. This will turn off the program  
schedule.  
WED  
FAN  
Whatever temperature you set will be  
maintained 24 hours a day until you manually  
change it or press CANCEL (or SCHED) to cancel  
Inside  
Set To  
AUTO  
73  
Heat On  
7
0
SYSTEM  
Hold” and resume the program schedule.  
HEAT  
AM  
8
SCHED  
:00  
HOLD CLOCK SCREEN MORE  
Permanent  
Hold  
CANCEL  
Press CANCEL (or SCHED) to  
resume program schedule  
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Vacation hold  
1
Set temperature  
This feature can suspend the program sched-  
ule for extended periods of time.  
FAN  
Inside  
Set To  
AUTO  
55  
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.  
7
0
SYSTEM  
Hold Temperature  
Until  
HEAT  
PM  
6
:00  
HOLD  
SCHED  
CLOCK SCREEN MORE  
Whatever temperature you set will be main-  
tained 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.  
CANCEL  
2
Press to set time for  
schedule to resume  
3
Press HOLD twice  
SYSTEM  
If you return earlier than expected, press  
CANCEL (or SCHED) to cancel “Hold” and resume  
the program schedule.  
Hold Temperature  
Until  
HEAT  
DAYS  
4
CLOCK SCREEN MORE  
CANCEL  
1
SCHED  
HOLD  
4
Press to select number of days  
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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.  
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.  
Flashing message: Reminder to replace filter or UV lamp. After replacement, press  
RESET to reactivate the alert timer.  
Southern Away Dehumidification: Your system may be programmed to control  
humidity while your house is vacant during the humid season. Before you leave the  
house, press the HOLD button three times to activate this feature. This will control  
temperature and humidity to help protect your house and possessions while you are  
away. (If this feature does not work, contact your installer.)  
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Screen lock  
To prevent tampering, the screen can be par-  
tially or fully locked.  
WED  
SCREEN LOCKED  
FAN  
Inside  
Set To  
When partially locked, the screen displays  
SCREEN LOCKED for several seconds if a locked