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Honeywell T8411R Support Question

Honeywell T8411R Support Question

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Question posted by wwebjenks on May 22nd, 2011

How To Replace Battery In Thermostat

my thermostat digitial display is blank and might need new battery how to replace battery

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Related Honeywell T8411R Manual Pages

Owner's Manual - Page 1

Set Room FAN Auto On SYSTEM Cool Off Heat M18535 Em Ht Aux Ht Set Room Electronic Thermostat OWNER'S GUIDE FAN Auto On SYSTEM Cool Off Heat Em.Ht. M18539 1 69-1490 69-1490
Owner's Manual - Page 2

You can easily read the current room temperature at a glance. • No need for you with a more comfortable and convenient living environment. • Simple and easy to change your new thermostat! Batteries are not required because your temperature settings are held permanently in an effort to provide you to use. Over 100 years of Honeywell...
Owner's Manual - Page 3

... homes. 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.
Owner's Manual - Page 4

... and cooling are off. SYSTEM Cool Off Heat Em.Ht. Digital display shows a flame when heating is on . Digital display shows a snowflake when cooling is not working properly. Ht.: (Not available on all models.) Switch to this setting when your home needs heat, but your equipment has failed or is on . Heat: Normal...
Owner's Manual - Page 5

INDICATOR Em Ht Set Room M18425 5 69-1490 The ▲ indicator points to Aux Ht when the living space needs auxiliary backup heat to Em Ht when the SYSTEM switch is set at Em Ht. Em Ht: Aux Ht: The ▲ indicator points to help ...
Owner's Manual - Page 6

... from 40° to 99°F (5° to Room when the room temperature is displayed and to 37°C). Set Room INDICATOR M18441 69-1490 6 The temperature setting and the room temperature are shown separately on the digital display, press either the ▲ or ▼ key once. The ▼ indicator points to...
Owner's Manual - Page 8

...;F (5°C) at night and during the day before you choose and your energy savings temperature settings. If you like saving energy, but would like your thermostat to automatically change the temperature setting, you might want to 33% depending on your home, where you live, the number of energy saving periods you...
Owner's Manual - Page 10

Heating or cooling does not come 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. • Check power to the heating or cooling equipment. • Adjust the temperature ...
Owner's Manual - Page 11

If you have questions concerning this thermostat, call Honeywell 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: 11 69-1490

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