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Electronic  
Set  
Room  
Thermostat  
FAN  
Auto On  
SYSTEM  
Cool Off Heat  
OWNER’S GUIDE  
M14752  
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Congratulations on the purchase of your new thermostat!  
Over 100 years of Honeywell engineering expertise went  
into the making of this thermostat in an effort to provide  
you with a more comfortable and convenient living  
environment.  
Simple and easy to use. The  a nd keys make it  
easy for you to change your temperature setting.  
Large digital display. You can easily read the current  
room temperature at a glance.  
No need for batteries. Batteries are not required  
because your temperature settings are held perma-  
nently in memory.  
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Settings  
Setting FAN and SYSTEM Switches  
Fan and system settings are controlled by using FAN and  
SYSTEM switches located on the bottom of the thermostat  
case.  
First set the FAN switch:  
Auto:  
Normal setting for most homes. In cooling, the  
fan goes off and on with the cooling equipment.  
In heating, the fan may start a few minutes after  
the heating equipment comes on.  
On:  
The fan runs continuously. Use for improved air  
circulation and air quality.  
FAN  
Auto On  
FAN  
SWITCH  
M10273  
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Then set the SYSTEM switch:  
Cool:  
Normal setting for months when your home  
needs cooling (air conditioning). Digital display  
shows a snowflake when cooling is on.  
Off:  
Heat:  
Both heating and cooling are off.  
Normal setting for months when your home  
needs heating. Digital display shows a flame  
when heating is on.  
SYSTEM  
Cool Off Heat  
SYSTEM  
SWITCH  
M14228  
IMPORTANT  
Do not operate the Thermostat in cooling mode  
when the outdoor temperature is below 50°F  
(10°C), or damage to compressor could result.  
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Displaying Temperature Setting  
NOTE: Your temperature setting can be set anywhere  
from 40° to 99°F (5° to 37°C).  
The temperature setting and the room temperature are  
shown separately on the digital display. The  i ndicator  
points to Set when the temperature setting is displayed  
and to Room when the room temperature is displayed.  
1
. To display the temperature setting on the digital  
display, press either the or key once.  
Set  
Room  
INDICATOR  
M10275  
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Changing Temperature Setting  
1
. To lower the temperature setting, press the  k ey.  
When in the heating mode, lowering the temperature at  
night or during the day can lower your energy costs.  
Set  
Room  
M10276  
2
. To raise the temperature setting, press the  k ey.  
When in the cooling mode, raising the temperature  
before you leave for work or school also lowers your  
energy costs.  
Set  
Room  
M10982  
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Troubleshooting Guide  
CAUTION  
Low Temperature Hazard  
Operating at too low of an outdoor temperature  
may cause compressor damage.  
Do not operate cooling if outdoor temperature is  
below 50°F (10°C). Refer to manufacturers  
recommendations.  
Heating or cooling does not come on.  
Check power to the heating or cooling equipment.  
For compressor protection, on initial startup, and  
during power interruptions the Thermostat will go  
into a 5 minute delay. During this delay, the cooling  
icon, a snowflake  
, will flash.  
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Check that the SYSTEM switch on the thermostat is set  
to Heat or Cool.  
Check the system fuse or circuit breaker and replace or  
reset if necessary.  
Check for air movement at the register.  
Temperature setting is too warm or cool  
Adjust the temperature by pressing either the or ꢀ  
key.  
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If you have questions concerning this thermostat, call  
Honeywell Customer Relations at 1-800-468-1502,  
Monday-Friday, 7:00 am-5:30 pm, Central time.  
For service, contact your local heating and cooling contractor:  
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Home and Building Control  
Home and Building Control  
Honeywell Limitée  
35 Dynamic Drive  
Scarborough, Ontario  
M1V 4Z9  
Honeywell  
1
985 Douglas Drive North  
Golden Valley, MN 55422  
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paper containing at least 10%  
post-consumer paper fibers.  
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All Rights Reserved  
®
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