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Question posted by KARTaji on March 4th, 2014

Does The T8400c Thermostat Have A Battery

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Related Honeywell T8400C Manual Pages

Owner's Manual - Page 1

M18539 1 69-1490 69-1490 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.

Owner's Manual - Page 2

... this thermostat in memory. 69-1490 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 temperature setting. • Large digital display. The ▲ and ▼ keys make it easy for batteries. Over...

Owner's Manual - Page 3

... continuously. 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 improved air circulation and air quality.

Owner's Manual - Page 8

... on your home, where you live, the number of energy saving periods you choose and your thermostat to automatically change the temperature setting, you might want to 10°F (5°C) at night ...school. Savings can also save energy. 69-1490 8 With this thermostat in the cooling mode by lowering the temperature setting 5°F (3°C) to consider purchasing the ...

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 ...

Owner's Manual - Page 11

For service, contact your local heating and cooling contractor: 11 69-1490 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.

Installation Instructions - Page 1

... make sure the product is replacing a control that contains mercury in the trash. After installation is powered directly from ducts. - The T8400C Thermostat is selectable at 1, 3, 4, 5, 6, or 9 cph. Failure to cool. Batteries are not required because setpoints are held permanently by : - Contact your local waste management authority for instructions regarding recycling and the...

Installation Instructions - Page 2

..., restrict all wiring to 30 Vac heating-cooling systems. The T8401C Thermostat is powered through the wallplate entrance hole. 3. See Fig. 3. 1 3-7/8 IN. Pull the thermostat wire through the entrance hole on the wall. 2. See Fig. 4. The T8400C Thermostat is powered directly from affecting the thermostat; All wiring must comply with local electrical codes and ordinances...

Installation Instructions - Page 3

...2 IN T8401C INSTALLATIONS, CONNECT C TERMINAL. Engage the tabs at the bottom of the thermostat case. M11232 T8400C, T8401C W Y G R 2C 1 L1 (HOT) 24V L2 COOLING CONTACTOR HEATING .... In cooling, the fan starts and stops with the heating equipment. 3 69-1480-1 T8400C AND T8401C ELECTRONIC THERMOSTATS KEEP WIRING IN SHADED AREA ALTERNATE MOUNTING SCREW HOLE W Y G R C MOUNTING SCREW ...

Installation Instructions - Page 4

T8400C AND T8401C ELECTRONIC THERMOSTATS Slide the FAN switch in the bottom left corner of the s key momentarily ...the t key can be completed. M14685 2. Press the st keys simultaneously for approxi-mately five seconds as follows: Cool: The thermostat controls the cooling system. When the keys are released, these two-digit codes are off . To decrease the temperature setpoint press the...

Installation Instructions - Page 5

...but CC varies by model. (This information is for factory use only. T8400C AND T8401C ELECTRONIC THERMOSTATS 10. Press the s key again to exit the installer setup mode. ...fan should shut down. This information is displayed. Press the t key to change cooling algorithm to the thermostat. Press the s key to save all equipment responds properly to C1 or C3. C3 = Aggressive ...