Carrier Infinity Thermostat Owners Manual: A Comprehensive Guide

Welcome! This detailed manual unlocks the full potential of your Carrier Infinity System, offering guidance from initial setup to advanced features and troubleshooting.
Explore step-by-step instructions, wiring diagrams, and insights into maximizing comfort and energy efficiency with your new Infinity Control thermostat.
Discover how to leverage Wi-Fi connectivity, smart home integration, and personalized scheduling for a truly intelligent climate control experience, courtesy of Carrier.
The Carrier Infinity system represents a pinnacle of home comfort technology, seamlessly integrating advanced components for optimal performance and efficiency. At its heart lies the Infinity Control, a sophisticated thermostat designed to orchestrate heating and cooling with precision. This system isn’t merely about temperature regulation; it’s about creating an environment tailored to your lifestyle and preferences.
Unlike conventional systems, the Infinity system utilizes modulating technology, allowing it to operate at variable speeds, delivering consistent comfort while minimizing energy consumption. The Infinity Control communicates intelligently with both your indoor and outdoor units, optimizing their operation based on real-time conditions.
This manual will guide you through understanding the core principles of the Carrier Infinity system, from its innovative features to its user-friendly interface. Prepare to experience a new standard in home comfort, backed by Carrier’s legacy of quality and innovation. Copyright 2004 Carrier Corp. is the owner.
Understanding the Infinity Control Thermostat
The Infinity Control thermostat serves as the central hub for your Carrier Infinity system, offering intuitive control over your home’s climate. Beyond basic temperature adjustments, it provides access to a suite of advanced features designed for personalized comfort and energy savings. Upon initial power-up, the thermostat initiates a search for the connected indoor unit, displaying a commissioning process on its screen.
Key elements include a user-friendly interface, customizable scheduling options, and the ability to monitor system performance. The Infinity Control also supports Wi-Fi connectivity, enabling remote access and control via a dedicated mobile app. A green COMM light indicates successful communication between the thermostat and system components.
Understanding the thermostat’s display, buttons, and menu structure is crucial for maximizing its capabilities. This manual will detail each aspect, empowering you to harness the full potential of your Carrier investment. Copyright 2018 Carrier Corp. is the owner.
Key Features and Benefits

The Carrier Infinity thermostat boasts a wealth of features designed to elevate your home comfort and reduce energy consumption. Wi-Fi connectivity allows for remote control via a mobile app, providing convenience and peace of mind; Geofencing capabilities automatically adjust temperatures based on your location, optimizing efficiency.
Smart Home Integration with platforms like Alexa and Google Assistant enables voice control, further simplifying operation. The system intelligently switches between heating and cooling in Auto mode, maintaining consistent comfort. Detailed Energy Savings Reports provide valuable insights into your usage patterns.
Beyond these, the thermostat offers precise temperature control, customizable schedules, and diagnostic features. Enjoy a smarter, more comfortable, and energy-efficient home with the Carrier Infinity system – a truly innovative climate control solution.

Installation Guide
Begin your installation with a thorough component check, referencing the wiring diagram for proper connections to both indoor and outdoor units.
Ensure secure wiring and correct power-up procedures for a seamless commissioning process with your Carrier system.
Unboxing and Component Check
Carefully unpack your Carrier Infinity Control thermostat package, ensuring all listed components are present before proceeding with installation. You should find the Infinity Control thermostat unit itself, a mounting plate, screws for secure attachment, and wire labels for simplified wiring.
Inspect each item for any signs of damage incurred during shipping. If any components are missing or damaged, immediately contact Carrier support for replacements. Retain the original packaging for potential returns or warranty claims.
Familiarize yourself with the thermostat’s ports and connections, noting the locations for wiring the indoor and outdoor units. A quick visual check will help streamline the installation process and prevent errors. Confirm the model number on the device matches your purchase order to ensure compatibility.
Do not discard the manual!
Wiring Diagram Overview
Understanding the wiring is crucial for a successful installation. The Carrier Infinity Control thermostat utilizes a specific wiring configuration, differing from traditional systems. Refer to the detailed wiring diagram included with your thermostat – do not proceed without it.
Identify key terminals such as R (power), C (common), Y (cooling), G (fan), W (heating), and any auxiliary or communication wires. Wire labels, provided in the box, are essential for accurate connections.
Pay close attention to the color-coding of wires and match them precisely to the diagram. Incorrect wiring can damage the system or prevent proper operation. If you are uncomfortable with electrical work, consult a qualified HVAC technician.
Double-check all connections before powering on the system.
Connecting to the Indoor Unit
Establishing communication with the indoor unit is a vital step. Ensure the indoor unit is powered off before proceeding. Locate the designated control board within the air handler or furnace. Carefully connect the thermostat wiring, referencing the wiring diagram for precise terminal assignments.

The ‘COMM’ wire is particularly important for Infinity systems, enabling two-way communication. Verify a secure connection to the indoor unit’s control board. A loose connection can cause errors or prevent the thermostat from controlling the system effectively.
Double-check all wire connections for tightness and correct placement. Once connected, restore power to the indoor unit and proceed to the next step – connecting to the outdoor unit.
Connecting to the Outdoor Unit
Proceed with caution when connecting to the outdoor unit, ensuring the power is completely disconnected at the breaker. Locate the control box on your Carrier outdoor unit. Similar to the indoor unit connection, carefully match the thermostat wiring to the corresponding terminals within the outdoor unit’s control board.
Pay close attention to the ‘C’ (common) wire, as it’s crucial for consistent power to the outdoor unit’s control circuitry. A secure ‘C’ wire connection is essential for reliable operation. Verify all connections are tight and properly seated to prevent intermittent issues.
After wiring is complete, double-check your work against the wiring diagram before restoring power to the outdoor unit. Proper connection ensures seamless communication between the thermostat and the outdoor compressor.
Powering Up and Initial Setup
Once all wiring is verified, restore power to both the indoor and outdoor units at the breaker panel. The Infinity Control thermostat should illuminate, displaying the Carrier logo and initiating a commissioning process. The screen will likely indicate “Searching for indoor unit,” signifying it’s establishing communication.
Allow several minutes for the system to complete its initial setup. During this phase, the thermostat automatically detects connected components and configures settings. You may be prompted to enter your zip code for accurate weather data and time zone settings.
Follow the on-screen prompts to configure basic preferences, such as temperature display format (Fahrenheit or Celsius). Ensure the thermostat correctly identifies your system type (heat pump, furnace, etc.). A successful setup is indicated by a stable display and responsive touchscreen.
Operating Your Thermostat
Mastering your Carrier Infinity thermostat is simple! Navigate the intuitive touchscreen interface to effortlessly adjust temperatures, fan settings, and system modes for optimal comfort.
Explore scheduling options and smart features to personalize your home climate.
Navigating the User Interface
The Carrier Infinity Control boasts a user-friendly touchscreen interface designed for intuitive operation. Upon powering up, the display illuminates with the Carrier logo, initiating the commissioning process and searching for the indoor unit.
The main screen prominently displays the current temperature and setpoint. Utilize the up and down arrow icons to adjust the desired temperature with precision.
Swipe left or right to access different screens, including fan control, system mode selection (Heat, Cool, Auto, Off), and scheduling options. The menu button, typically represented by three horizontal lines, provides access to advanced settings and configuration options.
Pay attention to indicator lights; a green COMM light signifies successful communication with the system. Familiarize yourself with the icons representing each function for quick and efficient control of your home’s climate. The interface is designed for ease of use, ensuring a comfortable and convenient experience.
Setting the Temperature
Adjusting the temperature with your Carrier Infinity Control is straightforward. From the main screen, locate the clearly marked up and down arrow icons. Tapping the up arrow increases the setpoint temperature, while the down arrow decreases it.
The current set temperature is prominently displayed on the screen, allowing for easy confirmation. The thermostat responds quickly to your adjustments, initiating the heating or cooling process as needed.
For precise control, you can also directly input the desired temperature using the numeric keypad, accessible through the menu options. Remember that the Infinity system is designed to maintain consistent comfort, so small adjustments can make a significant difference.
Consider your lifestyle and preferences when setting the temperature, and utilize the scheduling features to optimize energy savings and comfort throughout the day.
Fan Control Options
Your Carrier Infinity thermostat offers versatile fan control to enhance your indoor air quality and comfort. Access the fan settings through the main menu, where you’ll find several options.
Auto mode operates the fan only during heating or cooling cycles, optimizing energy efficiency. On mode keeps the fan running continuously, providing consistent air circulation and improved air filtration.
The Circulate setting periodically runs the fan, even when heating or cooling isn’t active, to maintain even temperature distribution throughout your home. This is ideal for larger spaces or homes with uneven heating/cooling.
Experiment with these settings to find what best suits your needs and preferences. Remember, continuous fan operation can slightly increase energy consumption, but offers enhanced comfort and air quality.
System Modes: Heat, Cool, Auto, Off
The Carrier Infinity thermostat provides four primary system modes to manage your home’s climate. Heat mode activates the heating system to warm your home to the set temperature. Cool mode engages the air conditioning to cool your home.
Auto mode intelligently switches between heating and cooling to maintain your desired temperature, ideal for fluctuating weather conditions. The Infinity system automatically determines the most efficient operation.
Selecting Off completely disables the heating and cooling systems, conserving energy when climate control isn’t needed. Note that the fan may still operate based on your fan control settings.
To change modes, navigate to the main screen and select your desired option. Understanding these modes allows you to optimize comfort and energy savings throughout the year with your Carrier thermostat.
Programming Schedules for Comfort
Your Carrier Infinity thermostat allows you to create customized schedules to automatically adjust temperatures throughout the day, maximizing comfort and energy efficiency. Access the scheduling function through the main menu and select “Schedule.”
You can define different temperature settings for various time periods, such as “Wake,” “Leave,” “Return,” and “Sleep.” Each day of the week can be programmed independently, allowing for unique schedules based on your lifestyle;
Consider setting lower temperatures while away and during sleep to conserve energy. The Infinity system will seamlessly transition between these settings, providing consistent comfort.
Take a few moments to review this manual and set up a comfort schedule that makes sense for your lifestyle, then relax and enjoy the comfort provided by Carrier!
Advanced Features
Unlock smart capabilities! Explore Wi-Fi connectivity, mobile app control, geofencing, and seamless integration with popular smart home platforms like Alexa and Google Assistant.
Wi-Fi Connectivity and Mobile App Control
Effortlessly manage your home comfort from anywhere with the Carrier Infinity thermostat’s built-in Wi-Fi capabilities. Once connected to your home network, download the corresponding Carrier mobile app (available for iOS and Android devices) to gain remote access and control.
Through the app, you can adjust temperature settings, change system modes (heat, cool, auto, off), view energy usage reports, and receive alerts for system maintenance or potential issues. The app mirrors the thermostat’s user interface, providing a familiar and intuitive experience.
For models like SYSTXCCITC01-A and SYSTXCCITW01-A, software updates are conveniently delivered over-the-air via Wi-Fi, ensuring your thermostat always has the latest features and performance enhancements. This eliminates the need for manual updates and keeps your system running optimally. Enjoy the convenience of a connected home with Carrier!
Geofencing Capabilities
Maximize energy savings and comfort with the Carrier Infinity thermostat’s intelligent geofencing feature. By utilizing your smartphone’s location services, the thermostat can automatically adjust temperature settings based on your proximity to home.
Define a virtual “geofence” radius around your property within the mobile app. When you leave the geofence, the thermostat can switch to an energy-saving away mode, reducing heating or cooling while you’re gone. As you approach the geofence, it proactively returns to your preferred comfort settings, ensuring a welcoming temperature upon your arrival.
This automated process eliminates the need to manually adjust the thermostat and provides consistent comfort without wasting energy. Customize geofencing parameters to suit your lifestyle and enjoy a smarter, more efficient home climate control system with Carrier.
Smart Home Integration (e.g., Alexa, Google Assistant)
Seamlessly integrate your Carrier Infinity thermostat into your existing smart home ecosystem. Enjoy hands-free control through popular voice assistants like Amazon Alexa and Google Assistant, enhancing convenience and accessibility.
Simply link your Carrier account to your preferred voice assistant platform. Once connected, you can adjust the temperature, change system modes (heat, cool, auto, off), and even inquire about current settings using voice commands. For example, “Alexa, set the thermostat to 72 degrees” or “Hey Google, what’s the temperature inside?”
Carrier’s integration allows for a truly connected home experience, providing effortless climate control alongside your other smart devices. Automate routines and create a comfortable environment tailored to your lifestyle with ease.

Energy Savings Reports and Insights
Unlock valuable insights into your energy consumption with the Carrier Infinity thermostat’s detailed reporting features. Track your heating and cooling usage over time, identifying patterns and opportunities to optimize efficiency.
Access comprehensive reports through the mobile app, displaying historical data in easy-to-understand graphs and charts. Analyze your energy usage by day, week, or month, and compare performance to previous periods. Carrier provides personalized recommendations based on your usage patterns, suggesting adjustments to your schedule or settings to maximize savings.
Gain a deeper understanding of your home’s energy profile and make informed decisions to reduce your carbon footprint and lower utility bills. The Infinity system empowers you to take control of your energy costs.

Troubleshooting and Maintenance
Resolve common issues quickly with our error code explanations and reset instructions. Regular cleaning and software updates ensure optimal performance of your Carrier thermostat.
Common Error Codes and Solutions
Encountering an error code? Don’t worry, your Carrier Infinity Control provides diagnostic information to help pinpoint the issue. A “Searching for indoor unit” message typically indicates a wiring or communication problem – double-check connections. Error code 100 often signals a low voltage issue; verify your power supply.
If you see a COMM error, it suggests a communication failure between the thermostat and the system; inspect wiring and ensure proper connections. For intermittent issues, try resetting the thermostat. A flashing flame icon might indicate a flame rollout issue, requiring professional service.
Important: Always consult a qualified HVAC technician for complex issues or if you are uncomfortable performing any troubleshooting steps. Refer to the full error code list in the appendix of this manual or on the Carrier website for detailed explanations and recommended actions. Ignoring error codes can lead to system inefficiencies or damage.
Resetting the Thermostat
Need a fresh start? Resetting your Carrier Infinity Control can resolve minor glitches and restore factory settings. A soft reset, simply restarting the thermostat, can often clear temporary errors. To perform this, navigate to the settings menu and select “Restart” or “Reboot”.
For a more comprehensive reset – returning the thermostat to its original factory defaults – access the advanced settings. Caution: This will erase your programmed schedules and preferences! Locate the “Factory Reset” option and confirm your choice.
After a factory reset, you’ll need to re-establish your Wi-Fi connection and reprogram your comfort settings. If the thermostat remains unresponsive after resetting, consult a qualified Carrier technician. Remember to document your settings before performing a factory reset for easier reconfiguration.
Cleaning and Care Instructions
Maintaining a clean thermostat ensures optimal performance and longevity. Regularly dust the display screen with a soft, dry cloth. Avoid using liquids, abrasive cleaners, or excessive pressure, as these can damage the surface.
For stubborn smudges, lightly dampen the cloth with water and gently wipe the screen, ensuring it’s completely dry afterward; Do not spray any liquids directly onto the thermostat; The casing can be cleaned with a similar gentle approach.
Avoid exposing the thermostat to extreme temperatures, humidity, or direct sunlight. Proper care will help preserve the aesthetic appeal and functionality of your Carrier Infinity Control for years to come. Regular, gentle cleaning is key!
Software Updates and How to Apply Them
Carrier periodically releases software updates for the Infinity Touch control, enhancing performance and introducing new features. For Wi-Fi enabled models (SYSTXCCITC01-A and SYSTXCCITW01-A), updates are typically applied automatically when connected to the internet.
The thermostat will display a notification when an update is available. It’s crucial not to interrupt the update process, which may take several minutes. Ensure a stable Wi-Fi connection throughout. Non-Wi-Fi models may require a technician to perform updates using a specialized tool.
Checking for updates manually through the thermostat’s settings menu is also possible. Keeping your thermostat’s software current ensures optimal functionality and access to the latest improvements from Carrier.
Contacting Carrier Support
If you encounter issues not addressed in this manual, Carrier offers multiple support channels. For immediate assistance, visit the official Carrier website and navigate to the support section. There, you’ll find a comprehensive FAQ, troubleshooting guides, and contact information.
You can reach Carrier support via phone during business hours; specific numbers are listed on their website based on your region. Additionally, many independent Carrier dealers offer local support and can assist with installation or repair needs.
When contacting support, have your thermostat’s model number readily available (e.g., SYSTXCCUID01-V) and a detailed description of the problem. Carrier is committed to ensuring your comfort and satisfaction with your Infinity system.

Technical Specifications
Explore detailed specifications! This section outlines model numbers, electrical requirements, dimensions, mounting details, and comprehensive warranty information for your Carrier thermostat.
Model Numbers and Compatibility
Understanding your model is key! Carrier Infinity thermostats come in various configurations, each designated by a unique model number. Common models include the SYSTXCCUID01-V (Infinity Control) and the SYSTXCCITC01-A/SYSTXCCITW01-A (Infinity Touch with/without Wi-Fi).
Compatibility is crucial for seamless integration with your HVAC system. These thermostats are designed to work with Carrier’s Infinity series furnaces and air conditioners, utilizing Green Communications (COMM) protocol. Ensure your indoor and outdoor units are also part of the Infinity system for full functionality.
Check compatibility by referencing the model numbers on your existing equipment and comparing them to Carrier’s compatibility lists available on their website or through a qualified HVAC technician. Incorrect pairings may limit features or prevent proper operation. Always verify before installation!
Electrical Requirements
Safety first! The Carrier Infinity thermostat typically requires 24VAC power supplied from your HVAC system’s control board. Do not connect the thermostat directly to 120V/240V mains power – this will cause severe damage and poses a safety hazard.

Wiring is critical; ensure the existing wiring is in good condition and properly sized for the low-voltage requirements. A common wire (C-wire) is often necessary for consistent power, especially with Wi-Fi enabled models. If a C-wire isn’t present, a C-wire adapter may be required.
Professional installation is recommended if you are unfamiliar with low-voltage wiring. Always disconnect power to your HVAC system at the breaker before working with any wiring. Refer to the wiring diagram in this manual for correct connections.
Dimensions and Mounting Details
Precise placement is key! The Carrier Infinity thermostat boasts a sleek, modern design with dimensions typically around 4.75 inches wide, 3.25 inches high, and 1.25 inches deep. These dimensions may slightly vary depending on the specific model (SYSTXCCUID01-V, etc.).
Mounting considerations include a standard drywall or plaster wall. The thermostat is designed to be mounted using screws – ensure the wall can securely hold the weight. A mounting template is often included in the packaging to accurately mark screw locations.
Avoid direct sunlight and areas near heat sources for accurate temperature readings. Maintain a clear space around the thermostat for optimal airflow. Refer to the included installation guide for detailed mounting instructions and diagrams.
Warranty Information
Protect your investment! Carrier stands behind the quality of its Infinity thermostats with a comprehensive warranty. Typically, the Infinity Control thermostat itself carries a 10-year limited warranty on parts, demonstrating Carrier’s confidence in its durability.
Registration is crucial to activate the full warranty benefits; promptly register your thermostat online through the Carrier website or via the included registration card. The warranty covers defects in materials and workmanship under normal use.
Exclusions apply, such as damage from improper installation, misuse, or unauthorized repairs. Labor costs for replacement or repair may not be fully covered. Consult the complete warranty document included with your product for detailed terms and conditions. Contact Carrier support for warranty claims.