The Honeywell TH6110D1005/U manual provides essential guidance for installing, programming, and maintaining your thermostat. This comprehensive guide ensures optimal performance and energy efficiency, covering key features and troubleshooting tips.
1.1 Overview of the Honeywell TH6110D1005/U Thermostat
The Honeywell TH6110D1005/U is a programmable digital thermostat designed for efficient heating and cooling control. Part of the FocusPRO 6000 series, it offers a user-friendly interface and advanced features like adaptive intelligent recovery. This thermostat is compatible with a wide range of HVAC systems, ensuring optimal performance and energy savings. Its programmable schedule allows for customized temperature settings, while the hold feature provides flexibility for manual adjustments. Built with durability and ease of use in mind, the TH6110D1005/U is a reliable choice for homeowners seeking precise climate control and reduced energy consumption.
1.2 Key Features of the Honeywell FocusPRO TH6110D1005/U
The Honeywell FocusPRO TH6110D1005/U offers a programmable schedule with four time periods daily, allowing for tailored temperature settings on weekdays and weekends. It features adaptive intelligent recovery, which learns the system’s operation to reach desired temperatures precisely when needed. The hold feature enables manual temperature adjustments, maintaining the set temperature until resumed. With a backlit display and compatibility with single-stage heating and cooling systems, this thermostat ensures energy efficiency and user convenience. Its design emphasizes simplicity and functionality, making it an ideal choice for homeowners seeking precise climate control and reduced energy costs.
1.3 Importance of Reading the Manual
Reading the Honeywell TH6110D1005/U manual is crucial for proper installation, programming, and maintenance. It provides detailed instructions to ensure safe and efficient operation, preventing potential errors. The manual explains how to navigate the thermostat’s features, such as scheduling and adaptive recovery, maximizing energy savings. Understanding the manual helps troubleshoot common issues and extends the product’s lifespan. It also clarifies warranty terms and maintenance requirements, ensuring optimal performance and user satisfaction. By following the guide, users can avoid costly mistakes and enjoy seamless climate control tailored to their needs.

Product Specifications
The Honeywell TH6110D1005/U thermostat features dimensions of 3.937 inches square, weighing 0.05 kilograms. It operates within temperature ranges of 40-90°F (heating) and 50-99°F (cooling), with an ambient operating range of 32-120°F and shipping range of -20-120°F. The thermostat functions optimally in humidity levels of 5-90% non-condensing, ensuring reliable performance across various environments.
2.1 Dimensions and Weight
The Honeywell TH6110D1005/U thermostat measures 3.937 inches in height, width, and depth, making it a compact and space-efficient device. It weighs approximately 0.05 kilograms, ensuring lightweight installation without compromising durability. The sleek design allows for easy mounting on any standard wall, blending seamlessly with most home decors. These dimensions and weight make it an ideal choice for various residential settings, providing both functionality and aesthetic appeal. The thermostat’s compact size also simplifies handling during installation and maintenance, ensuring a user-friendly experience from start to finish.
2.2 Temperature Ranges for Heating and Cooling
The Honeywell TH6110D1005/U thermostat operates within specific temperature ranges for both heating and cooling. For heating, the range is 40°F to 90°F (4.5°C to 32°C), while for cooling, it is 50°F to 99°F (10°C to 37°C). These ranges ensure optimal comfort and energy efficiency. The thermostat is designed to maintain consistent temperatures within these limits, providing reliable performance for various climate conditions. Proper operation within these ranges is essential for system efficiency and longevity, making it suitable for most residential heating and cooling systems.
2.3 Operating Ambient Temperature and Humidity
The Honeywell TH6110D1005/U thermostat is designed to operate within an ambient temperature range of 32°F to 120°F (0°C to 48.9°C) and a relative humidity of 5% to 90% (non-condensing). These specifications ensure optimal performance and longevity of the device. Operating outside these ranges may lead to malfunctions or damage. Proper environmental conditions are crucial for maintaining accurate temperature control and reliable operation. Adhering to these guidelines ensures the thermostat functions efficiently and provides consistent comfort in various indoor settings.
2.4 Shipping and Storage Conditions
The Honeywell TH6110D1005/U thermostat should be shipped and stored within a temperature range of -20°F to 120°F (-28.9°C to 48.9°C). The relative humidity during storage should not exceed 5% to 90% (non-condensing). Proper handling is essential to avoid damage. Avoid exposing the thermostat to extreme temperatures, moisture, or physical stress during shipping or storage. These conditions ensure the device remains functional and ready for installation. Adhering to these guidelines prevents potential damage and guarantees optimal performance once installed.
Installation Guide
The Honeywell TH6110D1005/U manual provides a detailed installation guide, ensuring a smooth setup process. It includes a pre-installation checklist, step-by-step instructions, and required tools for proper installation.
3.1 Pre-Installation Checklist
Before installing the Honeywell TH6110D1005/U thermostat, ensure the following items are checked:
- Verify the package includes the thermostat, wall anchors, screws, batteries, and manual.
- Confirm the required tools are available, such as a screwdriver and voltage tester.
- Check the system compatibility with your heating/cooling setup.
- Ensure the power to the HVAC system is turned off.
- Review the wiring diagram to match your system type.
This checklist ensures a smooth and safe installation process, avoiding potential issues later.
3.2 Step-by-Step Installation Instructions
Install the Honeywell TH6110D1005/U thermostat by following these steps:
- Turn off power to the HVAC system at the circuit breaker.
- Remove the old thermostat and label the wires for identification.
- Mount the new wallplate using the provided anchors and screws.
- Connect the wires to the appropriate terminals on the wallplate.
- Attach the thermostat to the wallplate and secure it firmly.
- Insert the AA alkaline batteries into the thermostat.
- Turn the power back on and test the thermostat operation.


This process ensures a safe and proper installation of your Honeywell thermostat.
3.3 Required Tools and Materials
To install the Honeywell TH6110D1005/U thermostat, you will need the following tools and materials:
- Wall anchors and mounting screws (provided in the package).
- AA alkaline batteries (2, included with the thermostat).
- A screwdriver for removing the old thermostat and securing the new one.
- Wire strippers (if necessary for wiring adjustments).
- A drill and bits for making holes in the wall.
Ensure all materials are available to proceed with the installation smoothly. Additional tools may be required depending on your specific setup.
3.4 Common Installation Issues and Solutions
During installation, common issues may arise. If the thermostat does not power on, check wiring connections for looseness or corrosion. Ensure the circuit breaker is on and batteries are correctly installed. For incorrect temperature display, verify the anticipator setting. If the thermostat does not respond to temperature changes, check the heating/cooling system connections. Loose wall anchors can cause uneven mounting; use provided screws to secure firmly. Refer to the manual for wiring diagrams and troubleshooting steps to resolve issues efficiently and ensure proper functionality.

Programming the Thermostat
Program your Honeywell TH6110D1005/U thermostat to optimize heating and cooling schedules. Set up to four daily periods with different settings for weekdays and weekends. This feature helps reduce energy costs by up to 33% when using pre-set recommendations. The Hold feature allows manual temperature adjustments, while Adaptive Intelligent Recovery ensures efficient system operation. Use these tools to create a customized comfort schedule that suits your lifestyle and energy-saving goals.

4.1 Understanding the Programming Schedule
The Honeywell TH6110D1005/U allows you to program four time periods daily, with distinct settings for weekdays and weekends. This flexibility enables you to tailor your comfort levels to your daily routine. The pre-set schedule is designed to reduce energy costs by up to 33%, making it an efficient choice for homeowners. By adjusting the temperature settings during periods when you’re away or sleeping, you can optimize energy usage without compromising comfort. This feature ensures your home remains at the perfect temperature while minimizing unnecessary heating or cooling.
4.2 Setting Up Weekday and Weekend Schedules
The Honeywell TH6110D1005/U allows you to customize temperature settings for weekdays and weekends. Program up to four periods daily, adjusting heat and cool settings to match your lifestyle. Default settings are provided, but you can modify them to suit your preferences. For example, set a lower temperature when you’re asleep or away during the day. Weekend settings can mirror weekdays or be tailored for different routines. This feature ensures consistent comfort while optimizing energy usage, helping you save on utility bills without sacrificing convenience or comfort.
4.3 Using the Hold Feature
The Hold feature on the Honeywell TH6110D1005/U thermostat allows you to temporarily override the programmed schedule. By activating Hold, you can manually set a desired temperature, which will be maintained continuously until you either change the setting or press “Run Schedule” to resume the programmed plan. This feature is ideal for times when you need consistent temperatures, such as during special events or unexpected changes in your routine. The Hold function provides flexibility without altering your pre-set schedule, ensuring comfort and energy efficiency are balanced effortlessly.
4.4 Adaptive Intelligent Recovery
The Honeywell TH6110D1005/U thermostat features Adaptive Intelligent Recovery, a smart technology that learns your system’s operation to optimize heating and cooling cycles. This feature ensures the thermostat begins recovery early enough to reach the desired temperature by the scheduled time, enhancing comfort and efficiency. By adjusting recovery times based on the system’s performance, it prevents unnecessary energy use while maintaining precise temperature control. This intelligent function adapts to your system’s unique characteristics, ensuring your home is always comfortable when you need it to be, without wasting energy.

Maintenance and Troubleshooting
Regular maintenance ensures optimal performance of your Honeywell TH6110D1005/U thermostat, including replacing batteries, checking wiring connections, and troubleshooting common issues for efficiency and proper functionality.
5.1 Replacing Batteries
To replace the batteries in your Honeywell TH6110D1005/U thermostat, locate the battery compartment on the upper right side. Press down where marked “press” and rotate slightly to the right. Remove the old AA alkaline batteries and insert new ones, ensuring correct polarity. Close the compartment securely. If the thermostat doesn’t turn on after replacement, reset it by removing the batteries for 10 seconds and reinstalling them. Proper battery maintenance ensures consistent performance and prevents system malfunctions.
5.2 Checking and Maintaining Wiring Connections
Regularly inspect the wiring connections to ensure proper thermostat operation. Turn off power to the system at the circuit breaker before handling wires. Check for loose or corroded terminals at both the thermostat and furnace control board. Clean or tighten connections as needed. If issues persist, consult a licensed electrician. Proper wiring ensures reliable performance and prevents malfunctions. Always refer to the manual for specific wiring diagrams and guidelines tailored to your Honeywell TH6110D1005/U model.
5.3 Troubleshooting Common Issues
If your Honeywell TH6110D1005/U thermostat isn’t functioning properly, start by checking the basics. Ensure batteries are fresh and correctly installed. Verify wiring connections at both the thermostat and furnace for looseness or corrosion. If the thermostat won’t activate heating, inspect the anticipator setting, as incorrect adjustments can prevent heat activation. For temperature inaccuracies, recalibrate the thermostat. If issues persist, reset the device by removing batteries for 30 seconds. Always refer to the manual for detailed troubleshooting steps tailored to your model. Addressing these common issues can restore proper operation quickly.
5.4 Resetting the Thermostat
To reset the Honeywell TH6110D1005/U thermostat, remove the batteries and wait 30 seconds. This simple step restores factory settings, clearing any temporary glitches. Reinstall the batteries and allow the device to restart. Resetting is useful if the thermostat malfunctions or after installing new batteries. Note that resetting will erase programmed schedules, so you’ll need to reconfigure your settings. This process ensures the thermostat operates correctly and efficiently. Always refer to the manual for detailed reset instructions tailored to your model. Resetting is a quick solution to restore optimal performance and functionality.
Warranty Information
Honeywell offers a limited 5-year warranty for the TH6110D1005/U thermostat, covering defects in materials and workmanship. The battery is excluded from this warranty coverage.
6.1 Limited 5-Year Warranty Details
Honeywell provides a limited 5-year warranty for the TH6110D1005/U thermostat, effective from the consumer’s purchase date. This warranty covers defects in materials and workmanship under normal use. If the product malfunctions or is found defective during the warranty period, Honeywell will repair or replace it at their discretion. The warranty excludes the battery and any damage caused by improper installation or misuse. This comprehensive coverage ensures customer satisfaction and protects the investment in the thermostat. Proper registration and adherence to warranty terms are essential to avail of this benefit.
6.2 What is Covered Under the Warranty
The Honeywell TH6110D1005/U warranty covers defects in materials and workmanship for a period of five years from the date of purchase. This includes repair or replacement of the thermostat if it malfunctions due to manufacturing defects. The warranty applies under normal use and service conditions, ensuring the product performs as intended. However, it does not cover the battery or damage resulting from improper installation, misuse, or external factors. Proper registration and adherence to warranty terms are required to benefit from this coverage, providing peace of mind for users.
6.3 Exclusions and Limitations
The Honeywell TH6110D1005/U warranty excludes coverage for the battery and any damage caused by improper installation, misuse, or external factors. It does not cover issues resulting from power surges, accidents, or failure to follow instructions; The warranty also excludes damages caused by unauthorized modifications or repairs. Normal wear and tear, such as battery depletion, is not covered. Additionally, the warranty does not apply if the product is used outside its intended application or in environments beyond specified operating conditions. Proper installation and maintenance are the user’s responsibility to uphold warranty validity.

Additional Resources
Access the Honeywell TH6110D1005/U manual online for detailed instructions. Visit Honeywell’s official website for customer support, or explore community forums for user discussions and tips.
- Download the manual in PDF format for easy reference.
- Contact Honeywell’s customer support for assistance.
- Join online forums for troubleshooting and user advice.
7.1 Downloading the Manual
The Honeywell TH6110D1005/U manual is readily available for download in PDF format from Honeywell’s official website or authorized distributors. This 26-page document provides detailed instructions for installation, programming, and troubleshooting. It includes step-by-step guides for setting up schedules, using the Hold feature, and understanding Adaptive Intelligent Recovery. The manual also covers maintenance tips, such as replacing batteries and checking wiring connections. Downloading the manual ensures you have quick access to all the information needed to optimize your thermostat’s performance and resolve any issues efficiently.
7.2 Customer Support and Contact Information
Honeywell provides dedicated customer support for the TH6110D1005/U thermostat. For assistance, visit Honeywell’s official website or call their customer care team. The manual also directs users to online resources, including forums and troubleshooting guides. Support agents are available to address technical issues, installation queries, or warranty-related concerns. Additionally, Honeywell’s website offers a comprehensive FAQ section and downloadable resources to help users resolve common problems independently. Reaching out to customer support ensures quick and effective solutions for any thermostat-related issues.
7.3 Online Forums and Community Support
Honeywell’s TH6110D1005/U thermostat is supported by active online forums and community resources. Users can access Honeywell’s official forums, HVAC professional communities, and social media groups for troubleshooting tips and installation advice. These platforms allow homeowners and technicians to share experiences, resolve common issues, and optimize thermostat performance. Additionally, downloadable guides and user-generated content provide valuable insights. Engaging with the community ensures users maximize their thermostat’s capabilities and stay informed about updates or best practices for energy-efficient heating and cooling. Online support complements Honeywell’s official resources, offering a collaborative space for problem-solving and learning.
The Honeywell TH6110D1005/U manual offers comprehensive guidance for optimal thermostat use, ensuring energy efficiency and ease of operation through detailed instructions and troubleshooting tips.
8.1 Summary of Key Features and Benefits
The Honeywell TH6110D1005/U thermostat offers a 5-year warranty, programmable scheduling, and adaptive intelligent recovery for energy efficiency. Its hold feature allows manual temperature control, while the easy-to-follow manual ensures smooth installation and operation. Designed for reliability, it supports heating and cooling systems with precise temperature ranges. The thermostat is user-friendly, with a focus on reducing energy costs through optimized settings. Its durable construction and comprehensive troubleshooting guide make it a practical choice for homeowners seeking consistent comfort and long-term performance.
8.2 Final Tips for Optimal Use
To maximize the performance of your Honeywell TH6110D1005/U thermostat, regularly check and replace batteries, ensure wiring connections are secure, and update your programming schedule seasonally. Use the hold feature sparingly to avoid unnecessary energy consumption. Clean the thermostat periodically to maintain accuracy. For optimal comfort, adjust temperature settings based on occupancy and preferences. Refer to the manual for troubleshooting common issues promptly. By following these tips, you can enjoy consistent comfort, energy savings, and extended product longevity.