The Irritrol Rain Dial RD 600 is a reliable and user-friendly irrigation controller designed for residential and small commercial use. Known for its durability and intuitive interface, it offers advanced features like multiple programs and rain sensor compatibility, making it a popular choice for efficient water management. With a long-standing reputation, it remains a favorite among homeowners and professionals alike, supported by extensive resources like manuals, video tutorials, and programming templates.
1.1 Overview of the Irritrol Rain Dial RD 600
The Irritrol Rain Dial RD 600 is a 6-station irrigation controller designed for residential and small commercial use. It is part of the Rain Dial series, which includes 6-, 9-, and 12-station models. Known for its durability and user-friendly interface, the RD 600 offers flexible programming options and compatibility with advanced features like rain sensors. The controller features a straightforward dial-based system for setting watering schedules and manual modes. Over the years, the design has evolved, with updates such as a navy blue faceplate and additional programming features introduced in 2006. The RD 600 is widely recognized for its reliability and ease of use, making it a popular choice for homeowners and professionals. It is supported by extensive resources, including manuals, video tutorials, and programming templates, ensuring optimal performance and customization.
1.2 History and Evolution of the Rain Dial Series
The Rain Dial series, including the RD 600, has a long history of innovation. Originally introduced, it quickly became known for its durability and ease of use. In 2006, Irritrol updated the series with a navy blue faceplate, yellow programming sticker, and an RJ45 plug on the back cover, enhancing both design and functionality. These changes also introduced additional programming features while maintaining compatibility with the standard 16-pin gray ribbon cable connector. The series has consistently evolved, incorporating advanced technologies like the optional CLIMATE LOGIC Wireless Weather Sensing System, which integrates weather data for smarter watering decisions. This evolution has solidified the Rain Dial series as a leader in irrigation control, offering a balance of tradition and innovation. The RD 600 remains a cornerstone of this legacy, trusted by users for its reliability and adaptability.

Installation Guide
The Irritrol Rain Dial RD 600 installation guide provides step-by-step instructions for mounting the controller indoors or outdoors, wiring, and connectivity options to ensure proper setup and functionality.
2.1 Step-by-Step Installation Instructions
Installing the Irritrol Rain Dial RD 600 involves several straightforward steps. First, mount the controller indoors or outdoors, ensuring it is level and accessible. Next, connect the solenoid wires to the appropriate zones, matching the labeled terminals. Then, attach the power wires to a 24VAC transformer, following safety guidelines. After wiring, install the battery for the clock backup. Finally, test the system by running a manual cycle to ensure all zones activate correctly; Detailed instructions are provided in the official manual, and video tutorials are available for visual guidance. Proper installation ensures reliable performance and efficient water management for your irrigation system.
2.2 Wiring and Connectivity Options
The Irritrol Rain Dial RD 600 offers flexible wiring options to accommodate various irrigation system setups. Begin by connecting the solenoid wires to the corresponding zone terminals on the controller. Use the 16-pin gray ribbon cable connector for valve wiring, ensuring secure connections to prevent signal loss. The controller also features an RJ45 plug on the back cover for optional accessories like rain sensors or remote controls. For power, connect the 24VAC transformer to the designated terminals, ensuring proper voltage supply. Refer to the official manual or video tutorials for detailed wiring diagrams and step-by-step guidance. Proper wiring ensures reliable operation and seamless integration of advanced features like weather sensors or multiple programs.
2.3 Mounting the Controller Indoors or Outdoors
The Irritrol Rain Dial RD 600 can be mounted either indoors or outdoors, offering flexibility for installation. For outdoor use, ensure the controller is protected from direct sunlight and moisture by using a weather-resistant cover. Indoor mounting is straightforward and keeps the unit dry and secure. When installing outdoors, choose a shaded area or use a protective enclosure to prevent overheating. The controller’s compact design allows it to fit neatly on a wall or in a utility area. Refer to the official manual for specific mounting hardware recommendations and installation guidelines. Proper mounting ensures long-term reliability and easy access for programming or maintenance. Always follow safety precautions to avoid damage to the unit or electrical components during installation.

Programming Instructions
Programming the Irritrol Rain Dial RD 600 is straightforward, with options for setting watering schedules, manual mode, and seasonal adjustments. Use the dial and buttons to navigate and customize settings efficiently. Refer to the official manual or video tutorials for step-by-step guidance. The controller also supports programming templates for quick setup. Ensure all zones and times are accurately configured for optimal water management. Proper programming ensures your irrigation system operates efficiently and effectively, tailored to your specific needs.
3.1 Setting Up Watering Schedules
Setting up watering schedules on the Irritrol Rain Dial RD 600 is a straightforward process that ensures your irrigation system operates efficiently. Begin by turning the dial to the SET WATERING SCHEDULES position. Use the +/- buttons to select the desired start time for watering. Next, choose the watering interval, such as every day, every other day, or specific days of the week. For each zone, set the watering duration using the ZONE DURATION button. The controller allows you to customize schedules for up to 12 zones, ensuring each area of your lawn or garden receives the right amount of water. After configuring, turn the dial to AUTO to activate the schedule. Always test the system to ensure proper operation and adjust settings as needed for optimal water management.
3.2 How to Program Manual Mode
Programming manual mode on the Irritrol Rain Dial RD 600 allows for quick, one-time watering without altering the scheduled programs. To access manual mode, turn the dial to the MANUAL or BYPASS position. Use the ZONE button to select the specific zone you wish to water. Once the desired zone is selected, use the ZONE DURATION button to set the watering time in minutes. Press the START button to begin manual watering. The controller will run the selected zone for the specified duration before returning to its normal schedule. This feature is ideal for occasional adjustments or testing zones. After manual operation, ensure the dial is returned to the AUTO position to resume scheduled watering. Always verify that the manual mode is properly exited to avoid unintended interruptions in your irrigation schedule.
3.3 Adjusting Seasonal Watering Adjustments
Adjusting seasonal watering adjustments on the Irritrol Rain Dial RD 600 allows you to modify watering schedules based on changing weather conditions and plant needs. To access this feature, turn the dial to the SEASONAL ADJUST position. Use the ZONE button to select the desired program. The ZONE DURATION button adjusts the watering percentage, increasing or decreasing it by 10% increments. Press the START button to save your changes. This feature is particularly useful for conserving water during rainy seasons or increasing water output during hot, dry periods. For precise adjustments, refer to the optional CLIMATE LOGIC system, which automatically adapts watering schedules based on weather data. Always ensure adjustments align with local water restrictions and plant requirements to maintain optimal landscaping health and efficiency. Regular reviews of seasonal settings are recommended to adapt to changing conditions throughout the year.

Advanced Features
The Irritrol Rain Dial RD 600 offers advanced features like multiple programs and rain sensor compatibility, enhancing water management efficiency. The optional CLIMATE LOGIC system enables smart weather-based adjustments, optimizing water usage.
4.1 Using Multiple Programs
The Irritrol Rain Dial RD 600 allows users to set up multiple programs, enabling customized watering schedules for different zones or areas of the lawn. This feature is particularly useful for landscapes with varying water requirements, such as separate areas for grass, gardens, or shrubs. Each program can be tailored with specific start times, intervals, and durations, providing flexibility and efficiency. Users can easily switch between programs based on seasonal changes or weather conditions. The controller supports up to three independent programs, ensuring precise control over irrigation needs. By utilizing multiple programs, users can optimize water usage and maintain healthy plant growth. This feature is especially beneficial for larger properties or complex irrigation systems. The user manual and online tutorials provide detailed guidance on configuring and managing multiple programs effectively.
4;2 Rain Sensor Compatibility
The Irritrol Rain Dial RD 600 is compatible with rain sensors, enhancing its water-saving capabilities. By integrating a rain sensor, the controller can automatically pause irrigation during rainfall, preventing overwatering and conserving water. The optional CLIMATE LOGIC Wireless Weather Sensing System is a popular choice, offering advanced weather-based adjustments. This system ensures irrigation schedules adapt to real-time weather conditions, optimizing water usage. The rain sensor can be wired or wireless, depending on the model, and its installation is straightforward. Users can find detailed instructions for connecting and configuring rain sensors in the official user manual or through video tutorials. This feature makes the RD 600 a smart and eco-friendly option for modern irrigation needs. By leveraging rain sensor compatibility, users can achieve significant water savings while maintaining healthy landscapes.
Troubleshooting Common Issues
The Irritrol Rain Dial RD 600 may face issues like error codes or sensor malfunctions. Refer to the user manual or online resources for diagnostic guides and solutions.
5.1 Diagnosing Common Problems
Diagnosing issues with the Irritrol Rain Dial RD 600 involves identifying symptoms and referring to the user manual or online resources. Common problems include error codes, the controller not turning on, or zones failing to activate. If the controller doesn’t power up, check the electrical supply and circuit breaker. For zones not working, inspect wiring connections and solenoids. Dashes on the display may indicate “skip days” mode, which can be disabled by adjusting settings. Sensor issues, such as rain sensor malfunctions, can also cause system interruptions. Consulting the manual or troubleshooting guides can help resolve these issues efficiently. Regular maintenance and updates ensure optimal performance and minimize downtime.
5.2 Understanding Error Codes
Understanding error codes on the Irritrol Rain Dial RD 600 is crucial for troubleshooting. Common error codes include those related to sensor malfunctions, wiring issues, or system overrides; For instance, if the display shows dashes, it may indicate the controller is in “skip days” mode, which can be resolved by adjusting the mode settings. Other errors might point to issues like faulty solenoids or incorrect wiring connections. Referencing the user manual or online resources provides detailed explanations of each code and step-by-step solutions. Regularly checking the system and addressing errors promptly ensures optimal performance and prevents water waste. The manual also offers guidance on resetting the controller or clearing specific error conditions, making it an essential tool for maintaining your irrigation system effectively.

Maintenance and Repair
Regular maintenance for the Irritrol Rain Dial RD 600 includes cleaning the controller and checking wiring. Repair common issues like faulty solenoids or sensors with basic tools. Refer to the user manual for error codes and troubleshooting to ensure optimal performance and water efficiency.
6.1 Regular Maintenance Tips
Regular maintenance is essential to ensure the Irritrol Rain Dial RD 600 operates efficiently. Start by cleaning the controller’s faceplate and buttons to prevent dirt buildup. Inspect and clean the wiring connections to avoid corrosion or poor conductivity. Check the solenoids and valves for proper function, replacing any faulty components promptly. Refer to the user manual for guidance on diagnosing and addressing common issues. Additionally, review the programming template to ensure schedules are up-to-date and aligned with seasonal changes. For visual learners, video tutorials provide step-by-step instructions for routine checks and repairs. Regularly updating your system and performing these tasks will extend the lifespan of your controller and maintain optimal watering performance.
6.2 Repairing Common Issues
Repairing common issues with the Irritrol Rain Dial RD 600 can be straightforward with the right approach. Start by identifying the problem using the error codes or symptoms described in the user manual. For example, if the controller fails to activate zones, check the wiring connections and solenoids for damage or corrosion. Replace any faulty solenoids or valves promptly to restore functionality. If the display is unresponsive, ensure the battery is charged or replace it if necessary. For more complex issues, refer to the installation and programming manual or video tutorials for detailed repair guidance. Utilize downloadable templates to verify settings and ensure proper configuration. Addressing repairs quickly prevents further system damage and maintains reliable irrigation performance. Always follow safety precautions when handling electrical components to avoid injury or additional malfunctions.

Compatibility and Upgrades
The Irritrol Rain Dial RD 600 is compatible with smart weather sensors, enhancing water conservation. Upgrades, including the CLIMATE LOGIC system, improve functionality and efficiency.
7.1 Integration with Smart Weather Sensors
The Irritrol Rain Dial RD 600 can seamlessly integrate with smart weather sensors, such as the CLIMATE LOGIC Wireless Weather Sensing System. This advanced feature allows the controller to automatically adjust watering schedules based on real-time weather conditions, ensuring optimal water conservation. By incorporating weather data, the system avoids unnecessary watering during rain or high humidity, reducing waste and maintaining healthy landscapes. The integration enhances the controller’s functionality, making it a smart and efficient solution for modern irrigation needs. This compatibility not only improves water management but also aligns with eco-friendly practices, making the RD 600 a forward-thinking choice for homeowners and professionals alike.
7.2 Upgrading Your Controller
Upgrading your Irritrol Rain Dial RD 600 controller is a straightforward process that enhances functionality and performance. Over the years, Irritrol has introduced design improvements, such as the navy blue faceplate and yellow programming sticker, while maintaining compatibility with earlier models. The addition of features like the RJ45 plug and enhanced programming options ensures the controller remains modern and efficient. Users can also upgrade to the CLIMATE LOGIC Wireless Weather Sensing System, transforming the RD 600 into a smart controller capable of adjusting watering schedules based on weather conditions. These upgrades ensure the controller stays relevant and effective, offering advanced water management capabilities without compromising its user-friendly design. Regular updates and compatibility with smart sensors make the RD 600 a versatile choice for evolving irrigation needs.
User Resources
Access the official Irritrol Rain Dial RD 600 manual, video tutorials, and downloadable programming templates for easy setup and troubleshooting. These resources ensure optimal controller performance and customization.
8.1 Accessing the Official User Manual
The official Irritrol Rain Dial RD 600 user manual is readily available online, providing detailed instructions for installation, programming, and troubleshooting. This comprehensive guide covers all models in the series, including RD-600, RD-900, and RD-1200. Users can download the manual in PDF format directly from Irritrol’s official website. It includes step-by-step instructions for setting up watering schedules, manual mode, and seasonal adjustments. Additionally, the manual offers diagrams and error code explanations to help diagnose and resolve common issues. For those who prefer visual learning, Irritrol also provides video tutorials and programming templates to complement the manual. These resources ensure that users can maximize the controller’s features and maintain their irrigation system efficiently. Always refer to the official manual for accurate and up-to-date information.
8.2 Video Tutorials for Programming
Irritrol provides a range of video tutorials to help users master the programming of their Rain Dial RD 600 controller. These tutorials, available on the official Irritrol website, cover essential topics such as setting up manual watering, creating custom schedules, and utilizing advanced features. The videos are designed to be user-friendly, offering step-by-step guidance for both new and experienced users. Additionally, third-party resources like YouTube channels and irrigation repair websites offer supplementary tutorials, demonstrating real-world applications and troubleshooting tips. These visual guides are particularly helpful for those who prefer hands-on learning or need clarification on specific functions. By leveraging these video resources, users can optimize their irrigation system’s performance and ensure efficient water management. The tutorials are regularly updated to reflect the latest features and user feedback, making them a valuable tool for all Rain Dial RD 600 owners.
8.3 Downloadable Programming Templates

Irritrol offers downloadable programming templates to simplify the setup and customization of your Rain Dial RD 600 controller. These templates, available on the official Irritrol website and other third-party resources, provide pre-designed schedules and configurations tailored to various irrigation needs. Users can download PDF guides and example templates to create efficient watering plans. The templates are easy to follow, catering to both novice and experienced users. They include step-by-step instructions and sample schedules, making it easier to program multiple zones, set watering frequencies, and adjust seasonal adjustments. Additionally, some websites offer customizable templates that can be edited to suit specific lawn and garden requirements. These resources are regularly updated, ensuring users have access to the latest tools for optimizing their irrigation system. Downloadable templates are a valuable asset for achieving precise and efficient water management with the Rain Dial RD 600;
The Irritrol Rain Dial RD 600 is a reliable, efficient irrigation controller offering advanced features and user-friendly programming, supported by extensive resources for optimal water management.
9.1 Summary of Key Features and Benefits
The Irritrol Rain Dial RD 600 is a versatile and efficient irrigation controller designed for residential and small commercial applications. It offers multiple programming options, including manual mode and seasonal adjustments, ensuring tailored watering schedules. Compatible with rain sensors, it promotes water conservation by automatically adjusting irrigation based on weather conditions. The controller’s durable design and intuitive interface make it user-friendly, while its advanced features like skip days mode and optional smart weather sensors enhance functionality. With a long history of reliability, the RD 600 is supported by extensive resources, including video tutorials, programming templates, and a comprehensive user manual. Its adaptability and robust performance make it a top choice for efficient water management in various landscapes.
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