Honeywell Thermostat TH6110D1005: A Comprehensive Guide
This guide unlocks your thermostat’s full potential! Welcome to the user community; discover how to maximize your Honeywell TH6110D1005’s features with this manual.
The Honeywell TH6110D1005 is a non-programmable thermostat designed for reliable and straightforward temperature control in your home. It offers a user-friendly interface, making it easy to adjust settings and maintain a comfortable environment. This model is a popular choice for those seeking a simple, yet effective, heating and cooling solution without the complexities of advanced programming features.

This comprehensive guide will walk you through everything you need to know, from unpacking the thermostat and understanding its display, to installation, operation, and basic troubleshooting. Whether you’re a first-time thermostat user or simply looking for a detailed reference, this manual provides the information to confidently manage your home’s climate. Join the growing community enjoying simplified comfort!
What’s Included in the Box?

Upon opening your Honeywell TH6110D1005 package, you should find several key components ensuring a smooth installation and setup process. These include the thermostat unit itself, the thermostat baseplate for wall mounting, and mounting screws with wall anchors for secure attachment.
Additionally, a detailed installation guide is provided, offering step-by-step instructions and wiring diagrams. You’ll also receive wire labels to help identify existing wiring during installation, minimizing confusion. While some models may include additional accessories, these are the core components you can expect. Carefully verify all items are present before proceeding with the installation to avoid delays.
Thermostat Display Overview
The Honeywell TH6110D1005 features a clear, easy-to-read display designed for intuitive operation. The primary area showcases the current room temperature, prominently displayed for quick reference. Above this, you’ll find the set temperature, indicating your desired heating or cooling point.

The display also incorporates various icons to communicate system status – heating, cooling, fan operation, and battery level. A date and time display provides convenient information, while mode indicators clearly show whether the thermostat is in Heat, Cool, Auto, or Off mode. Understanding these elements allows for effortless monitoring and control of your home’s climate.
Understanding the Honeywell TH6110D1005 Interface
The Honeywell TH6110D1005 interface is designed for simplicity and user-friendliness; It centers around a few key buttons and a clear display, allowing for easy navigation and control. The interface prioritizes straightforward adjustments to temperature settings and scheduling.
Familiarizing yourself with the button layout and display icons is crucial for efficient operation. The interface responds quickly to inputs, providing immediate feedback on your changes. This intuitive design ensures that even first-time users can quickly master the thermostat’s functions and optimize their home comfort.
Buttons and Their Functions
The TH6110D1005 features a limited, yet effective, button arrangement. The “Menu” button accesses advanced settings and scheduling options, while the “Up” and “Down” arrows adjust temperature and navigate menus. A central “Select” or “OK” button confirms choices and initiates actions.
These buttons allow you to cycle through different modes – Heat, Cool, Auto, and Off. Short presses make incremental changes, while holding a button accelerates the process. Understanding each button’s primary and secondary functions is key to mastering the thermostat’s control scheme, ensuring precise and comfortable climate management.
Display Icons and Meanings
The TH6110D1005’s display utilizes several icons to convey system status. A flame icon indicates the heating system is active, while a snowflake signifies cooling. The “Fan” icon shows whether the fan is set to Auto or On. A battery symbol alerts you to low battery levels, prompting replacement.
Other icons denote programming modes, hold status, and system errors. Understanding these visual cues is crucial for quickly assessing your home’s climate control. Refer to the complete icon glossary within this manual for detailed explanations of each symbol, ensuring you can interpret the thermostat’s feedback effectively.
Initial Setup and Installation
Proper installation ensures optimal performance of your TH6110D1005. Before beginning, carefully review the wiring diagram to confirm compatibility with your existing HVAC system. Incorrect wiring can damage both the thermostat and your equipment. Securely mount the thermostat base to the wall, ensuring it’s level for accurate readings.
Once mounted, connect the wires according to the diagram. After wiring, power on the system and follow the on-screen prompts for initial configuration, including setting your location and system type. This crucial step establishes the foundation for accurate temperature control and scheduling.
Wiring Diagram and Compatibility
Carefully examine the wiring diagram before proceeding with installation. The TH6110D1005 is designed to be compatible with most standard 24V heating and cooling systems, including furnaces, heat pumps, and air conditioners. However, compatibility with millivolt systems or line voltage systems is not supported.
Refer to the detailed wiring schematic included in this manual to correctly identify and connect the wires – typically labeled R, C, W, Y, and G. Incorrect wiring can cause system malfunction or damage. If unsure, consult a qualified HVAC technician to ensure a safe and proper installation.
Mounting the Thermostat Base
Before mounting, ensure power to your HVAC system is completely switched off at the breaker. Use the included mounting screws to securely attach the thermostat base to the wall, utilizing the existing screw holes whenever possible. If new holes are required, use appropriate wall anchors for a stable installation.
Ensure the base is level for accurate temperature readings and a professional appearance. Gently feed the wires through the opening in the base, avoiding any pinching or strain. Once the base is securely mounted, double-check all wire connections before proceeding to attach the thermostat body.
Powering On and Initial Configuration
After securely attaching the thermostat body to the base, restore power to your HVAC system at the breaker. The thermostat should power on automatically, initiating the initial configuration process. You’ll likely be prompted to select your system type – furnace, heat pump, or others – ensuring accurate operation.
Follow the on-screen prompts to set your location and configure basic settings. This includes selecting your preferred temperature units (Fahrenheit or Celsius) and verifying the date and time are correct. Accurate initial setup is crucial for optimal performance and scheduling capabilities.
Programming Your TH6110D1005
The TH6110D1005 allows for customized heating and cooling schedules to maximize comfort and energy savings. Access the programming mode through the thermostat’s menu system. You can create different schedules for weekdays and weekends, tailoring temperatures to your lifestyle.
Define specific time periods and desired temperatures for each period. For example, set a lower temperature while you’re away at work and a comfortable temperature for when you return home. Utilize temporary and permanent hold features for immediate adjustments, overriding the programmed schedule as needed.
Setting the Date and Time

Accurate date and time settings are crucial for proper scheduling functionality. To set the date and time on your TH6110D1005, navigate to the “Settings” menu using the thermostat’s buttons. You’ll typically find options to adjust the month, day, year, hour, and minute.
Ensure the correct time zone is selected for accurate operation. The thermostat will likely display the time in a 12-hour or 24-hour format, allowing you to choose your preference. Confirm your selections before exiting the settings menu to guarantee the schedule operates as intended, aligning with your daily routines.
Creating a Heating/Cooling Schedule
Personalize your comfort with a customized heating and cooling schedule. The TH6110D1005 allows you to program different temperature settings for various times of the day and days of the week. Access the “Schedule” menu to begin; You can typically define separate schedules for weekdays and weekends, optimizing energy usage based on your occupancy patterns.
Set specific temperatures for “Wake,” “Leave,” “Return,” and “Sleep” periods. Adjust these settings to match your preferences and maximize energy savings. Review your schedule regularly to ensure it continues to meet your needs, adapting to seasonal changes or lifestyle adjustments.

Temporary and Permanent Holds
Override your programmed schedule with “Hold” functions for flexible temperature control. The TH6110D1005 offers both temporary and permanent hold options. A temporary hold maintains a selected temperature for a specified duration, after which the thermostat reverts to its programmed schedule; This is ideal for short-term deviations from your routine.
A permanent hold overrides the schedule indefinitely, maintaining the chosen temperature until manually canceled. Access the “Hold” function through the thermostat’s menu. Remember to cancel a permanent hold when you want to resume your regular programmed settings, ensuring optimal energy efficiency and comfort.
Advanced Features and Settings
Unlock enhanced control with the TH6110D1005’s advanced settings. Explore Fan Control Options, choosing between “Auto” – where the fan runs only during heating/cooling – and “On” for continuous air circulation. Utilize the Filter Change Reminders to maintain system efficiency and air quality; the thermostat tracks runtime and alerts you when a replacement is due.
Temperature Calibration allows fine-tuning for accurate readings, ensuring consistent comfort. These features, accessible through the thermostat’s menu, provide personalized control and optimize performance. Regularly reviewing these settings maximizes your Honeywell thermostat’s capabilities.
Fan Control Options (Auto, On)
Customize your airflow with the TH6110D1005’s fan control settings. The “Auto” setting operates the fan solely during heating or cooling cycles, optimizing energy efficiency and maintaining consistent temperatures. Selecting “On” keeps the fan running continuously, providing constant air circulation for improved comfort and even temperature distribution throughout your home.
This continuous airflow can also help filter allergens and dust. Access these options within the thermostat’s menu to tailor operation to your preferences. Experiment with both settings to determine which best suits your needs and enhances your indoor environment.
Filter Change Reminders
Maintain optimal air quality and system efficiency with the TH6110D1005’s filter change reminders. This helpful feature prompts you when it’s time to replace your air filter, ensuring consistent airflow and preventing strain on your HVAC system. You can customize the reminder frequency based on your filter type and usage.
Access the reminder settings through the thermostat’s menu. Ignoring filter changes can lead to reduced efficiency, increased energy bills, and potential system damage. Regularly replacing your filter contributes to a healthier and more comfortable home environment. Don’t overlook this crucial maintenance task!
Temperature Calibration
Ensure accurate temperature readings with the TH6110D1005’s calibration feature. If you suspect the thermostat displays an incorrect temperature, you can adjust it to match a trusted thermometer. This is particularly useful if the thermostat is located near a heat source or in a drafty area.
Access the calibration settings through the thermostat’s menu. Carefully adjust the temperature in small increments until it aligns with your reference thermometer. Accurate calibration guarantees your system operates efficiently and maintains your desired comfort level. Regular calibration contributes to consistent and reliable temperature control within your home.
Troubleshooting Common Issues

Encountering problems? This section offers solutions to frequent TH6110D1005 issues. Don’t worry, many problems are easily resolved! First, verify proper wiring and power supply. If the display is blank, check the circuit breaker and wiring connections. For inaccurate readings, consider temperature calibration as detailed in the manual.
Connectivity issues, though limited on this model, can sometimes be resolved by restarting the thermostat. If problems persist, consult the detailed troubleshooting guide within this manual or Honeywell’s online support resources. Remember to always prioritize safety when inspecting electrical components.
Thermostat Not Powering On
A blank display indicates a power issue. First, check your circuit breaker – a tripped breaker is a common cause. Next, carefully inspect the thermostat wiring, ensuring all connections are secure and match the wiring diagram in this manual. Verify the C-wire (common wire) is properly connected, as it’s essential for power.
If wiring seems correct, test the voltage at the thermostat terminals (consult a qualified technician if unsure). A faulty transformer could also be the culprit. Refer to the manual’s troubleshooting section for a detailed checklist and safety precautions before attempting any electrical work.

Incorrect Temperature Readings
Discrepancies between the thermostat and room temperature require investigation. Begin by ensuring the thermostat isn’t exposed to direct sunlight, drafts, or heat sources, as these can skew readings. Check for obstructions blocking airflow around the unit.
The Honeywell TH6110D1005 offers temperature calibration – access this feature through the settings menu (refer to the “Advanced Features” section of this manual) to adjust the displayed temperature. If the problem persists, verify the thermostat’s location isn’t influencing accuracy. Consider professional calibration if needed.
Connectivity Problems (if applicable ― some models have limited connectivity)
The TH6110D1005 has limited connectivity; issues are rare but possible. If experiencing problems with remote access or app control (if your model supports it), first verify your home’s Wi-Fi network is functioning correctly. Ensure the thermostat is within range of your router.
Restart both the thermostat and your router. Check the Honeywell Home app for updates. If issues continue, consult the Honeywell support website for specific troubleshooting steps related to your model. Limited connectivity means full remote functionality isn’t guaranteed.
Resetting Your Honeywell TH6110D1005
Resetting restores factory settings, erasing your personalized schedule and preferences. To reset, press and hold the ‘Menu’ and ‘Down’ buttons simultaneously for five seconds. The thermostat will display a confirmation message, then restart.
Where to Find Additional Support and Resources
For further assistance, Honeywell’s dedicated support website is an excellent resource. Visit their website at honeywellhome.com/support for FAQs, troubleshooting guides, and downloadable manuals. You can also access a comprehensive knowledge base with articles addressing common issues.
Direct customer support is available via phone; consult the website for current contact numbers. Online forums and communities dedicated to Honeywell thermostats offer peer-to-peer support and shared experiences. Remember to have your model number (TH6110D1005) readily available when contacting support.
