Honeywell Lyric Thermostat Manual: A Comprehensive Guide
Welcome! This manual provides detailed instructions for your Honeywell Lyric smart thermostat, offering energy savings and convenience through intelligent home climate control.
Explore features like geofencing, smart learning, and remote access, all designed for effortless temperature management and a comfortable living environment.

The Honeywell Lyric Thermostat represents a significant leap forward in home climate control, moving beyond traditional programmable thermostats to offer a truly smart and responsive system. Introduced to challenge established players like Nest, the Lyric aims to simplify comfort and optimize energy efficiency.
This thermostat isn’t just about setting temperatures; it learns your habits, anticipates your needs, and adapts to your lifestyle. It boasts features like geofencing, which uses your smartphone’s location to adjust the temperature when you come and go, and smart learning, which observes your preferences over time.
Designed with a sleek and modern aesthetic, the Lyric seamlessly integrates into any home décor. This comprehensive guide will walk you through every aspect of the Lyric, from initial setup and configuration to advanced features and troubleshooting, ensuring you maximize its potential. Prepare to experience a new level of comfort and control with your Honeywell Lyric!
Understanding Smart Thermostat Technology
Smart thermostats like the Honeywell Lyric represent a paradigm shift in home heating and cooling. Unlike traditional thermostats relying on fixed schedules, smart thermostats utilize algorithms and connectivity to optimize energy usage and enhance comfort. Core to this technology is the ability to learn your patterns – when you’re home, away, and your preferred temperatures.
Geofencing, a key feature, leverages your smartphone’s location to automatically adjust the temperature, saving energy when you’re absent. Wi-Fi connectivity enables remote control via a mobile app, providing convenience and monitoring capabilities. These devices often integrate with other smart home ecosystems, allowing for unified control.
Furthermore, smart thermostats offer detailed energy reports, helping you identify areas for improvement. They move beyond simple temperature regulation to become proactive energy management tools, contributing to lower utility bills and a reduced carbon footprint.
Key Features of the Honeywell Lyric
The Honeywell Lyric boasts several standout features designed for convenience and efficiency. Smart Learning allows the thermostat to adapt to your lifestyle, creating a personalized schedule without manual programming. Geofencing automatically adjusts temperatures based on your location, maximizing energy savings when you’re away.
Its intuitive touchscreen interface and compatibility with the Lyric app provide seamless control from anywhere. Remote access enables temperature adjustments, schedule modifications, and system monitoring via smartphone or tablet. The thermostat also offers detailed energy reports, providing insights into your usage patterns.
Furthermore, the Lyric supports multiple system types, including heat pumps and conventional heating/cooling systems. Filter change reminders ensure optimal air quality and system performance. Its sleek design blends seamlessly into any home décor, offering both functionality and aesthetics.

Installation and Setup
Begin by carefully unpacking your Lyric, verifying all components are present. Proper wiring and Wi-Fi connection are crucial for seamless operation and app control.
Unboxing and Component Check
Carefully open the Honeywell Lyric packaging and ensure all listed components are included before proceeding with installation. You should find the Lyric Thermostat unit itself, the mounting plate for wall attachment, and the necessary screws and wall anchors for secure installation.
Verify the presence of wire labels – these are essential for correctly identifying and connecting the existing wiring from your HVAC system. A quick check should also confirm the inclusion of the user manual and any quick start guides provided by Honeywell.
Inspect each component for any visible damage that may have occurred during shipping. If anything is missing or appears damaged, immediately contact Honeywell customer support for assistance and replacement parts. Do not attempt to install a damaged unit, as this could compromise its functionality and safety.
Wiring the Honeywell Lyric Thermostat
Before beginning, ALWAYS turn off power to your HVAC system at the breaker box to avoid electrical shock. Carefully remove your old thermostat and label each wire with the provided Honeywell wire labels, corresponding to their terminal designations (R, W, Y, G, C, etc;).
Refer to the Lyric wiring diagram in this manual or within the Lyric app for accurate connection guidance. Attach the mounting plate to the wall and connect the labeled wires to the corresponding terminals on the Lyric base.
A “C” wire (common wire) is often required for consistent power; if you don’t have one, consult Honeywell’s documentation for alternative power solutions. Double-check all connections to ensure they are secure before proceeding. Incorrect wiring can damage your HVAC system or the thermostat.
Connecting to Wi-Fi
Ensure your home Wi-Fi network is active and you have the network name (SSID) and password readily available. On the Honeywell Lyric thermostat display, navigate to the settings menu and select “Connect to Wi-Fi.” The thermostat will scan for available networks.
Choose your network from the list and enter the password using the on-screen keyboard. The Lyric will attempt to connect; this may take a few moments. A successful connection will be indicated by a Wi-Fi symbol on the display.
If the connection fails, double-check the password and ensure your router is functioning correctly. You may need to temporarily disable any firewall settings that could be blocking the connection. The Lyric app also assists with Wi-Fi setup;
Initial Configuration via the Lyric App
Download and install the Honeywell Lyric app from the Google Play Store or Apple App Store. Launch the app and create an account, or log in if you already have one. Follow the on-screen prompts to add a new thermostat. The app will guide you through the initial setup process.
The app will likely ask for your location to enable geofencing features. You’ll also be prompted to identify your heating and cooling system type. Carefully select the correct options to ensure accurate operation.
Customize your preferences, such as temperature units and display settings. The app allows for detailed scheduling and remote control, maximizing energy savings and comfort. Explore the app’s features to personalize your Lyric experience.

Using the Honeywell Lyric Thermostat
Effortlessly control your home’s climate with the Lyric’s intuitive interface, scheduling options, and smart features like geofencing for optimal comfort and energy efficiency.
Navigating the Thermostat Interface
The Honeywell Lyric thermostat boasts a sleek, full-color touchscreen display designed for intuitive operation. Upon waking the screen – either by touch or proximity – you’ll find the current temperature prominently displayed, alongside setpoint temperature and operating mode (Heat, Cool, Auto, or Off).
Swiping left or right allows you to quickly adjust the temperature. Tapping the screen reveals more detailed options, including scheduling, fan control, and system settings. A simple menu structure, accessible via icons, guides you through various configurations. The interface dynamically adapts, presenting relevant controls based on the selected mode.
Furthermore, the Lyric’s interface provides real-time energy usage information, helping you understand your heating and cooling patterns. Notifications and alerts, such as filter change reminders, are also displayed directly on the screen, ensuring proactive maintenance. The brightness is adjustable for optimal visibility in any lighting condition.
Setting Temperature Schedules
The Honeywell Lyric thermostat excels in programmable scheduling, allowing customized comfort and energy savings. Through the Lyric app or directly on the thermostat, you can create unique schedules for each day of the week. Define different temperature setpoints for various times – wake, leave, return, and sleep – to match your lifestyle.
Creating a schedule is straightforward: select a day, add time slots, and specify the desired temperature. The Lyric supports multiple schedule profiles, ideal for households with varying routines. You can easily copy schedules to other days, streamlining the setup process.
Moreover, the thermostat learns your preferences over time, subtly adjusting the schedule for optimal comfort and efficiency. Override options are available for temporary adjustments without disrupting the programmed schedule. Detailed scheduling ensures consistent temperature control and reduced energy consumption.
Geofencing and Smart Learning
The Honeywell Lyric thermostat intelligently adapts to your lifestyle through geofencing and smart learning features. Geofencing utilizes your smartphone’s location to detect when you’re approaching or leaving home, automatically adjusting the temperature for comfort and energy savings. This eliminates wasted energy heating or cooling an empty house.
Smart Learning observes your temperature adjustments and schedule preferences over time. The Lyric then proactively creates a personalized heating and cooling schedule, optimizing for both comfort and efficiency. This eliminates the need for manual programming, as the thermostat learns your habits.
These features work seamlessly together, providing a truly “set it and forget it” experience. You can customize geofence radius and learning sensitivity within the Lyric app, tailoring the system to your specific needs and preferences.
Manual Control Options
Despite its smart features, the Honeywell Lyric thermostat offers robust manual control options for direct temperature adjustments. You can easily override the programmed schedule directly on the thermostat’s touchscreen interface, setting a desired temperature for a specific duration or indefinitely.
The Lyric app also provides full manual control, allowing you to adjust the temperature remotely from anywhere with an internet connection. This is ideal for unexpected schedule changes or ensuring comfort before arriving home. You can also switch between Heat, Cool, and Auto modes manually.
For immediate adjustments, a simple tap on the up or down arrows on the thermostat or within the app changes the setpoint. These manual overrides don’t disrupt the learned schedule permanently, allowing the system to resume its intelligent operation afterward.

Advanced Features and Settings
Unlock the Lyric’s full potential with customizable fan controls, filter change reminders, system mode configurations, and convenient remote access for optimal comfort and efficiency.
Fan Control Settings (Manual On, Auto)
The Honeywell Lyric thermostat offers flexible fan control options to enhance your comfort and air circulation. You can choose between Manual On and Auto modes, accessible through the thermostat interface or the Lyric app.
Manual On mode allows you to continuously run the fan, regardless of whether the heating or cooling system is active. This is beneficial for consistent air mixing, especially during milder weather, or to distribute fresh air. Selecting this option ensures constant airflow throughout your home.
Auto mode, conversely, operates the fan only when the heating or cooling system is actively running. This is the most energy-efficient setting, as it avoids unnecessary fan operation. The fan will cycle on and off alongside your chosen heating or cooling cycle, maintaining a comfortable temperature without wasting energy. Adjusting these settings is straightforward within the Thermostat Configuration menu of the Lyric App.
Filter Change Reminders
The Honeywell Lyric thermostat proactively helps maintain your HVAC system’s efficiency with built-in filter change reminders. A clean air filter is crucial for optimal performance, air quality, and energy savings. The Lyric thermostat doesn’t just regulate temperature; it actively reminds you about essential maintenance.
You can customize the reminder frequency within the Lyric app, setting it based on your filter type and usage. The app allows you to specify the number of days until a reminder appears, ensuring timely filter replacements. Ignoring these reminders can lead to reduced airflow, increased energy consumption, and potential system damage.
The thermostat will display a notification when a filter change is due. Acknowledging the reminder resets the counter. Regularly changing your filter, as prompted by your Lyric, contributes to a healthier home environment and extends the lifespan of your HVAC system.
System Mode Configuration (Heat, Cool, Auto)
The Honeywell Lyric thermostat offers flexible system mode configuration, allowing you to tailor operation to your climate and preferences. You can select between Heat, Cool, and Auto modes directly on the thermostat interface or conveniently through the Lyric app.
Heat mode activates your heating system to maintain the desired temperature during colder months. Cool mode engages your air conditioning to provide cooling during warmer periods. Auto mode intelligently switches between heating and cooling to maintain your set temperature, optimizing comfort and energy efficiency.
Within the app, you can further customize these modes, setting temperature ranges and schedules for each. The Lyric learns your preferences over time, enhancing the effectiveness of Auto mode. Proper configuration ensures your system operates efficiently and provides consistent comfort throughout the year.
Remote Access and Control
The Honeywell Lyric thermostat truly shines with its robust remote access and control capabilities. Utilizing the Honeywell Lyric app, available for both iOS and Android devices, you can manage your home’s temperature from anywhere with an internet connection.
This allows for convenient adjustments to schedules, temperature settings, and system modes – ensuring comfort upon arrival or conserving energy when away. The app provides real-time temperature monitoring and detailed energy usage reports, empowering informed decisions.
Furthermore, remote access facilitates troubleshooting and adjustments without needing to be physically present at the thermostat. Lyric integrates seamlessly with other smart home platforms, expanding control options. Enjoy peace of mind and optimized energy savings with this powerful feature;

Troubleshooting Common Issues
Encountering problems? This section offers solutions for connectivity, display errors, temperature inaccuracies, and app control failures with your Honeywell Lyric thermostat.
Connectivity Problems
Experiencing Wi-Fi issues? First, ensure your home network is functioning correctly by testing other devices. Verify the Lyric thermostat is within range of your router; walls and distance can impact signal strength.
Restart both your router and the thermostat – a simple reboot often resolves temporary glitches. Double-check the Wi-Fi password entered during setup within the Lyric app. If problems persist, try resetting the network connection on the thermostat itself, following the instructions in the app under Thermostat Configuration.
Occasionally, router firmware updates can cause compatibility issues; consult your router manufacturer’s website. If you’ve recently changed your Wi-Fi network name or password, you’ll need to update these details within the Lyric app. Honeywell support can also assist with complex network configurations.
Display Issues
Is your Honeywell Lyric thermostat’s display blank or malfunctioning? Begin by checking the battery level, even if the unit is hardwired – low batteries can cause display problems. Ensure the display isn’t simply dimmed; adjust the brightness settings within the Lyric app’s menu.
If the screen is frozen, attempt a soft reset by briefly removing and reattaching the thermostat faceplate. For unresponsive displays, a full factory reset (consult the app instructions) might be necessary, but this will erase your settings.
Inspect the display for physical damage. If damage is present, contact Honeywell support for repair or replacement options. Ensure proper wiring during installation, as incorrect wiring can sometimes lead to display errors.
Temperature Inaccuracies
Is your Honeywell Lyric thermostat reporting incorrect temperatures? First, verify the thermostat’s location isn’t affected by drafts, direct sunlight, or heat-generating appliances. These factors can skew readings. Calibrate the temperature within the Lyric app; a slight adjustment can often resolve minor discrepancies.
Ensure the thermostat is level, as an uneven installation can impact accuracy. Check for obstructions blocking airflow around the unit. If inaccuracies persist, perform a system reset via the app, restoring default settings.
Confirm proper wiring during installation, as incorrect connections can cause faulty readings. If the problem continues, contact Honeywell support for further assistance and potential hardware evaluation.
App Control Failures
Experiencing issues controlling your Honeywell Lyric thermostat through the app? Begin by ensuring your Wi-Fi network is stable and the thermostat is connected. Force-close and reopen the Lyric app, or try logging out and back in. Verify the app is updated to the latest version, as updates often address connectivity bugs.
Check that your smartphone or tablet meets the app’s system requirements. Restart your home’s Wi-Fi router and the thermostat itself. If problems persist, delete and reinstall the Lyric app, carefully following the setup instructions.
For continued failures, consult Honeywell’s support website or contact their customer service for troubleshooting assistance. They may require diagnostic information from your thermostat.

Safety and Maintenance
Prioritize safety! Regularly clean the Lyric thermostat and replace batteries as needed. Honeywell assistance is available for remote lock disabling if required.
Safety Precautions
Important Safety Information: Before installing or servicing your Honeywell Lyric Thermostat, always disconnect power at the breaker or fuse box to prevent electrical shock. Improper wiring can cause damage to the thermostat or your HVAC system, potentially leading to hazardous conditions.
Do not attempt to disassemble or repair the thermostat yourself; contact a qualified technician for assistance. Ensure the thermostat is installed in a location free from water or excessive moisture. Keep the device away from flammable materials and extreme temperatures.
If you notice any unusual smells, sounds, or smoke emanating from the thermostat, immediately turn off the power and contact Honeywell support. Always follow local electrical codes and regulations during installation. This device is intended for indoor use only.
Cleaning and Care
Maintaining Your Lyric Thermostat: To ensure optimal performance and longevity, regularly clean your Honeywell Lyric Thermostat. Begin by disconnecting power at the breaker to avoid any electrical hazards. Use a soft, dry cloth to gently wipe the thermostat’s surface, removing dust and fingerprints.
Avoid using abrasive cleaners, solvents, or excessive moisture, as these can damage the display or internal components. For stubborn marks, lightly dampen the cloth with water and immediately dry it afterward. Do not spray any liquids directly onto the thermostat.
Periodically inspect the wiring connections to ensure they are secure and free from corrosion. Keep the surrounding area clear of obstructions to allow for proper airflow and accurate temperature readings. Proper care will help maintain the thermostat’s aesthetic appeal and functionality.
Battery Replacement
Maintaining Power to Your Lyric: While your Honeywell Lyric Thermostat primarily operates on household power, it utilizes batteries as a backup during power outages. The thermostat will display a low battery warning when replacement is needed. Typically, this is a standard set of AA batteries.
To replace, gently remove the thermostat faceplate – consult the installation guide for specific instructions for your model. Insert new, high-quality AA batteries, ensuring correct polarity (+ and -). Reattach the faceplate securely.
Battery life varies depending on usage and power outage frequency. Regularly check the battery status within the Lyric app. Replacing batteries proactively ensures uninterrupted operation and maintains scheduled settings during power disruptions, preserving your comfort and energy savings.
Remote Disabling of Lyric Lock (Honeywell Assistance)
Lyric Lock Security Feature: The Honeywell Lyric thermostat offers a “Lyric Lock” feature, providing enhanced security by preventing unauthorized adjustments to temperature settings. However, if you encounter issues accessing your thermostat due to this lock, remote disabling requires direct Honeywell assistance.
Unfortunately, end-users cannot remotely unlock a secured Lyric thermostat independently. You must contact Honeywell Home support via their official website or phone number. Be prepared to verify your thermostat’s registration and ownership.
Honeywell’s support team will guide you through the unlocking process, ensuring only authorized access is granted. This security measure protects your system from unintended changes and maintains the integrity of your programmed settings. Contacting support is the sole method for remote Lyric Lock deactivation.

Honeywell Lyric T5 Specifics
The Lyric T5 offers simplified setup and control, featuring a streamlined interface and app configuration tailored for ease of use and efficient home comfort management.
Wiring Diagram for T5 Model
Understanding the wiring for your Honeywell Lyric T5 is crucial for a successful installation. The T5 typically utilizes a standard 5-wire configuration, though variations exist depending on your existing system. Common terminals include Rh (power), Rc (cooling power – often jumpered to Rh), W (heating), Y (cooling), and C (common – required for consistent power).
Carefully disconnect power at the breaker before beginning. Refer to the Lyric app’s instructions under Thermostat Configuration for a detailed, system-specific diagram. Incorrect wiring can damage the thermostat or your HVAC system. Always double-check connections and ensure wires are securely fastened. If you are uncomfortable with electrical work, consult a qualified HVAC professional. A proper wiring setup ensures optimal performance and avoids potential hazards.
T5 Configuration within the App
After successful wiring and Wi-Fi connection, the Honeywell Lyric app guides you through the T5 model’s specific configuration. Begin by identifying your system type – heat pump, forced air, or conventional. The app will then prompt you to test each function (heating, cooling, fan) to verify correct wiring.
Customize settings like temperature preferences, scheduling, and geofencing. Explore advanced options such as filter change reminders and smart alerts. The app allows for remote control and monitoring of your home’s temperature. Ensure you download and install the latest version of the Honeywell Lyric App from Google Play or the App Store for optimal functionality and access to all features.
