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General| Model | TH8110U1003 |
|---|---|
| Stages | 1 Heat/1 Cool |
| Program Type | 7-Day Programmable |
| Changeover | Manual or Automatic |
| Type | Programmable Thermostat |
| Humidity Control | No |
| Wi-Fi Capable | No |
| Backlight | Yes |
| Power Source | Battery or Hardwired |
| Programs | 4 programmable periods per day |
| Temperature Range | 40°F to 90°F (4°C to 32°C) |
| Terminal Designations | R, Rc, C, W, Y, G, O/B |
Highlights 7-day schedules, EnergyStar compliance, and precise comfort control.
Guide to setting clock, fan, system, and program schedules.
How to temporarily adjust temperature settings.
Identifies buttons for schedule, fan, system, and temperature adjustments.
Steps for setting schedules, fan, system, clock, and overrides.
Explains current temperature, time, fan, and system status indicators.
Details on messages like 'Cool On', 'Heat On', and 'Recovery'.
Procedure for setting the thermostat's current time accurately.
Note on automatic updates for daylight saving time.
Guide to choosing between On, Auto, and Circ fan modes.
How to temporarily change fan settings.
Explanation of Heat, Cool, Off, and Auto system modes.
Details on Em Heat mode for heat pumps with auxiliary heat.
Instructions for setting Wake, Leave, Return, and Sleep times.
Setting temperatures for comfort and energy efficiency.
Details on pre-set EnergyStar® settings for reduced expenses.
Guidance on adjusting times and temperatures for optimal savings.
Steps to select days, modify times, and set heat/cool temperatures.
Option to remove unwanted time periods from the schedule.
How to change the current temperature setting for a limited duration.
Instructions for cancelling the override and resuming the schedule.
Procedure for setting a constant temperature, disabling the schedule.
How to return to the programmed schedule from a permanent hold.
Steps to set temperature and number of days for vacation mode.
How to cancel vacation hold early or upon return.
Automatic system selection and adaptive temperature learning.
Feature to prevent compressor damage by delaying restarts.
Purpose and behavior of partial and full screen locking.
Reference to advanced function for screen lock options.
Steps to lock the screen for safe cleaning.
Important notes on cleaning the thermostat screen without damage.
How to display current indoor humidity levels.
How outdoor or multiple indoor sensors affect displayed readings.
Explanation of how the thermostat reduces indoor humidity.
Procedure to adjust the target humidity level.
Instructions for safely detaching the thermostat from the wallplate.
Guidance on battery installation, warnings, and replacement schedule.
Step-by-step guide to enter, modify, and save advanced function settings.
How to set the year and month parameters.
Procedure for setting the current date.
Options to enable or disable the 7-day programmable schedule.
How to select between Fahrenheit and Celsius temperature units.
Settings for automatic daylight saving time adjustments.
Setting up alerts for furnace filter replacement intervals.
Setting up alerts for humidifier pad replacement intervals.
Setting up alerts for UV lamp replacement.
Configuring the number of daily program periods (2 or 4).
Selecting between 12-hour and 24-hour clock displays.
Configuring screen lock settings for security and usability.
Steps to resolve issues with a blank thermostat screen.
Troubleshooting steps for a dim screen backlight.
Steps to troubleshoot unresponsive heating or cooling systems.
Explanation of 'Fan Auto and On' or 'Auto and Circ' display.
How an outdoor sensor affects displayed temperature.
How indoor sensors change display and disable internal sensor.
How average temperature is displayed with multiple indoor sensors.
Details on what the warranty covers and how to make a claim.
Information on what is not covered by the warranty.
Explanation of consumer rights and customer service contacts.
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