Electronic
Thermostat
OWNER’S GUIDE
Set
Room
FAN
Auto On
SYSTEM
Off Heat
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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 (not available on all models):
Auto:
Normal setting for most homes. 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
3
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Then set the SYSTEM switch:
Off:
Heat:
Heating is off.
Normal setting for months when your home
needs heating. Digital display shows a flame
when heating is on.
SYSTEM
Off Heat
SYSTEM
SWITCH
M10975
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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 ꢀꢀindicator
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
M10275
INDICATOR
5
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Changing Temperature Setting
1. To lower the temperature setting, press the ꢀꢀkey.
Set
Room
M10276
2. To raise the temperature setting, press the ꢀꢀkey.
Set
Room
M10982
When in the heating mode, lowering the temperature at
night or during the day can lower your energy costs.
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Troubleshooting Guide
Heating does not come on.
• Check that the SYSTEM switch on the thermostat is
set to Heat.
• Check the system fuse or circuit breaker and replace or
reset if necessary.
• Check for air movement at the register.
• Check power to the heating equipment.
Temperature setting is too warm or cool.
• Adjust the temperature by pressing either the ꢀ or ꢀ key.
7
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If you have questions concerning this thermostat, call Honey-
well Customer Assistance at 1-800-468-1502, Monday-Friday,
7:00 am-5:30 pm, Central time.
For service, contact your local heating and cooling contractor:
Home and Building Control
Honeywell
Home and Building Control
Honeywell Limited - Honeywell Limitée
35 Dynamic Drive
1985 Douglas Drive North
Golden Valley, MN 55422
Scarborough, Ontario
M2H 3N7
Printed in U.S.A. on recycled
paper containing at least 10%
post-consumer paper fibers.
Copyright © 2000 Honeywell
All Rights Reserved
® U.S. Registered Trademark
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