Hunter SRC Manual: A Comprehensive Guide
This manual details the Hunter SRC controller, covering installation, programming, troubleshooting, and maintenance. It’s a resource for professionals and users alike, ensuring optimal irrigation system performance.
Hunter SRC controllers represent a robust and reliable solution for automated irrigation management. Designed for both residential and light commercial applications, these controllers offer a user-friendly interface combined with powerful scheduling capabilities. The SRC series, including both standard SRC and SRC Plus models, provides precise control over watering cycles, promoting water conservation and healthy landscapes.
This introduction will familiarize you with the core functionalities and benefits of the Hunter SRC. We’ll explore its key features, highlighting how it simplifies irrigation programming and enhances system efficiency. Understanding the SRC’s capabilities is crucial for maximizing its potential and achieving optimal results. From basic scheduling to advanced adjustments, this guide will empower you to effectively manage your irrigation needs.
What is an SRC Controller?
The Hunter SRC controller is an irrigation system management hub, designed to automate and optimize watering schedules. It functions as the central “brain” of your irrigation system, receiving signals and directing water flow to designated zones. Utilizing a straightforward programming dial, the SRC allows users to easily set start times, durations, and frequencies for each watering zone.
Essentially, it replaces manual valve operation, offering convenience and precision. The controller’s internal programming stores these schedules, executing them automatically. This ensures consistent and efficient watering, even during absences. The SRC is adaptable to various landscape types and sizes, making it a versatile choice for diverse irrigation needs. It’s a key component in modern, water-conscious landscaping.
SRC vs. SRC Plus: Key Differences
The Hunter SRC Plus builds upon the foundation of the standard SRC controller, offering enhanced features for greater control and flexibility. While both models share the core functionality of automated irrigation scheduling, the SRC Plus introduces key upgrades. These include expanded zone capacity, allowing management of larger landscapes with more distinct watering areas.
Furthermore, the SRC Plus often incorporates advanced programming options, such as cycle and soak functionality and seasonal adjustment capabilities, for optimized water usage. Some models may also feature built-in surge protection and improved communication protocols. Essentially, the SRC Plus provides a more robust and feature-rich solution for demanding irrigation applications, justifying its higher price point.
Installation and Setup
Proper installation is crucial. This section guides you through unboxing, wiring, power connection, and secure mounting of your Hunter SRC controller for reliable operation.
Unboxing and Initial Inspection
Upon receiving your Hunter SRC controller, carefully inspect the packaging for any signs of damage during shipping. Once opened, verify that all components are present. This includes the SRC controller unit itself, the mounting hardware (screws and anchors), and potentially a wiring connector kit depending on the model.
Thoroughly examine the controller for any physical defects, such as cracks or broken terminals. Ensure the programming dial is intact and moves smoothly. Check the battery compartment (if applicable) for corrosion. Retain the original packaging and documentation for potential warranty claims or future reference. A complete and undamaged unit ensures a smooth installation process and reliable performance. Document any discrepancies immediately with the supplier.
Wiring Diagrams for SRC Controllers
Understanding the wiring configurations is crucial for proper SRC controller operation. Hunter provides detailed wiring diagrams, typically found inside the controller’s battery compartment or available for download on their official website. These diagrams illustrate the connections for common wire configurations, including valve wires, sensor inputs, and master valve connections.
Pay close attention to the terminal labels and color-coding. Incorrect wiring can lead to malfunctioning valves or system damage. Diagrams will differentiate between normally open (NO) and normally closed (NC) valve connections. Always disconnect power before making any wiring changes. Consult a qualified electrician if you are unfamiliar with electrical wiring practices; Proper wiring ensures reliable and efficient irrigation control.
Connecting to Power Sources
The Hunter SRC controller primarily operates on a 24VAC power source, commonly supplied by a transformer. Ensure the transformer’s voltage and VA rating match the controller’s specifications – typically found on the unit’s label. Connect the transformer wires to the designated terminals within the controller’s power compartment, observing correct polarity if applicable.
Battery backup is also a key feature, providing power during outages. Install fresh alkaline batteries as directed in the manual. The controller automatically switches to battery power when AC power is lost, preserving programmed schedules. Regularly check battery levels to maintain reliable operation. Improper power connection can damage the controller; always verify wiring before energizing the system.
Mounting the SRC Controller
Proper mounting protects the Hunter SRC controller from the elements and physical damage. Select a cool, dry location, shielded from direct sunlight and rain. A garage, shed, or weatherproof enclosure are ideal. Use appropriate mounting hardware – screws and anchors – suitable for the mounting surface.
Ensure the controller is securely fastened to prevent vibration or movement. Maintain adequate clearance around the unit for wiring access and ventilation. Avoid mounting near sources of electromagnetic interference. The controller’s enclosure is typically designed for wall mounting, with pre-drilled holes for easy installation. Follow the mounting template provided for accurate placement and secure attachment.
Programming the SRC Controller
The SRC controller utilizes an intuitive dial for programming. Users can easily set schedules, adjust watering times, and customize irrigation based on specific landscape needs.
Understanding the Programming Dial
The Hunter SRC controller’s programming dial is central to its operation, offering a user-friendly interface for managing irrigation schedules. This dial allows for sequential stepping through each programming function – from setting the current date and time to defining individual station run times and schedules.
Rotating the dial navigates between options like ‘Set Time’, ‘Start Time’, ‘Watering Duration’, and ‘Days of Week’. Each selection is clearly indicated on the controller’s display. Pressing the ‘Select’ button confirms your choice and moves you to the next parameter.
Understanding the dial’s functionality is crucial for efficient programming. It eliminates complex button combinations, making adjustments straightforward, even for users unfamiliar with irrigation controllers. The dial’s tactile feedback ensures accurate selections, minimizing errors during setup.
Setting the Date and Time
Accurate date and time settings are fundamental for the Hunter SRC controller to operate correctly, ensuring schedules run when intended. Begin by rotating the programming dial to the ‘Set Time’ function. The display will likely show the current, potentially incorrect, time.
Use the dial to adjust the year, month, and day, confirming each selection with the ‘Select’ button. Next, adjust the hour and minutes, again using the dial and ‘Select’ button. Pay close attention to AM/PM settings to avoid scheduling errors.
Once the correct date and time are displayed, confirm your changes. A properly set date and time are essential for seasonal adjustments and accurate schedule execution.
Programming Watering Schedules
The Hunter SRC controller excels in scheduling flexibility. Begin by turning the programming dial to the ‘Schedule’ function. You’ll be prompted to select a program – the SRC supports multiple independent schedules, ideal for diverse landscaping needs.
Next, define the start time for your watering cycle. Use the dial to set the desired hour and minutes. Then, specify the days of the week for watering. Options typically include individual days, groups of days, or even intervals (e.g., every other day).
Finally, set the run time for each zone within the schedule. Careful consideration of plant type and weather conditions is crucial for efficient water usage.
Basic Schedule Setup
Initiating a basic watering schedule on the Hunter SRC controller is straightforward. First, select a program number using the programming dial. Then, input the start time – the hour and minute when watering should commence. Next, choose the days of the week for irrigation; options range from single days to pre-set groupings.
Crucially, define the run time for each zone. This dictates how long each valve remains open, delivering water. Consider plant needs and soil type when setting durations. The SRC’s dial interface simplifies this process, allowing incremental adjustments.
Remember to save your settings after each step. A confirmation message will appear on the display, ensuring the schedule is properly stored.
Advanced Scheduling Options
The Hunter SRC controller offers sophisticated scheduling beyond basic setups. Utilize the “Odd/Even” day watering feature to comply with water restrictions, irrigating only on designated days. Explore the “Interval” setting for customized watering frequencies – for example, watering every other day or twice a week.
The SRC also supports multiple programs, ideal for managing diverse landscapes with varying irrigation needs. Each program can have independent schedules and zone run times. Leverage the “Rain Delay” function to temporarily suspend watering during inclement weather, conserving water.
For precise control, consider utilizing the manual override function for immediate zone activation, bypassing the programmed schedule when needed.
Cycle and Soak Functionality
The Hunter SRC controller’s Cycle and Soak feature is crucial for efficient water management, particularly on slopes or with compacted soils. This prevents runoff by dividing longer watering times into shorter cycles, allowing water to fully absorb before the next cycle begins.
Configure the “Soak Time” – the pause between cycles – to suit your soil type. Clay soils benefit from longer soak times, while sandy soils require shorter intervals. Adjust the number of “Cycles” to tailor the watering duration.
This functionality minimizes water waste, promotes healthier plant growth, and reduces the risk of erosion. It’s an environmentally responsible and cost-effective irrigation strategy.
Seasonal Adjustments
The Hunter SRC controller allows for easy seasonal adjustments to optimize watering schedules based on changing weather patterns. As temperatures rise in the spring and summer, plant water needs increase, requiring a percentage increase in watering duration. Conversely, during cooler fall and winter months, reduce watering to prevent over-saturation and potential damage.
Utilize the SRC’s global adjustment feature to uniformly increase or decrease all programmed schedules. This simplifies the process of adapting to seasonal changes. Regularly monitor plant health and adjust accordingly.
Implementing seasonal adjustments conserves water, promotes healthy landscapes, and extends the lifespan of your irrigation system.
Troubleshooting Common Issues
This section addresses frequent problems with the Hunter SRC controller, including power failures, valve malfunctions, timing errors, and communication disruptions, offering solutions.
No Power to the Controller
If the SRC controller exhibits no power, begin by verifying the power source. Ensure the transformer is securely plugged into a functioning electrical outlet and that the outlet itself is receiving power – test with another device.
Next, inspect the transformer for any visible damage, such as cracks or frayed wires. A faulty transformer is a common cause of power loss. Check the wiring connections between the transformer and the controller, confirming they are tight and corrosion-free.
If using a dedicated circuit, confirm the circuit breaker hasn’t tripped. Finally, examine the controller’s internal fuse (if equipped) and replace it if blown. Caution: Always disconnect power before accessing internal components.
Valve Not Activating
If a valve connected to the SRC controller isn’t activating, several factors could be at play. First, confirm the corresponding zone is programmed correctly within the controller’s schedule, including start time and duration. Verify the valve solenoid is receiving power by testing with a multimeter – a lack of voltage indicates a wiring issue or controller malfunction.
Inspect the valve wiring for breaks or loose connections, ensuring proper continuity. Check for obstructions within the valve itself, such as debris preventing the solenoid from fully opening. A faulty valve solenoid is also a common culprit and may require replacement.
Remember to manually test the valve by applying direct power to confirm its functionality before assuming a controller issue.
Incorrect Watering Times
Experiencing inaccurate watering times with your Hunter SRC controller? The most frequent cause is an improperly set date and time. Double-check the controller’s clock against a reliable time source and adjust accordingly using the programming dial. Ensure the AM/PM setting is correct, as this is a common oversight.
Review the programmed watering schedules meticulously. Confirm the start times for each zone are as intended and haven’t been inadvertently altered. Consider seasonal adjustments; if enabled, these may be shifting watering times based on the current date.
Finally, a low battery can sometimes cause timekeeping errors, so replace it if necessary.
Communication Errors
If your Hunter SRC controller exhibits communication errors, typically manifesting as an inability to connect to remote monitoring systems or other smart devices, several factors could be at play. First, verify the physical connections of any wired communication components, ensuring they are secure and undamaged.
For wireless connections, confirm the controller is within range of the base station or Wi-Fi network. Check for potential interference from other electronic devices. A weak signal strength can disrupt communication.
Additionally, ensure the controller’s firmware is up-to-date, as updates often include bug fixes and improved communication protocols. Consult the Hunter Industries website for the latest firmware versions and installation instructions.
Maintenance and Repair
Regular cleaning and component checks are vital for longevity. Battery replacement, identifying faulty parts, and utilizing replacement guides ensure continued, reliable operation.
Cleaning the Controller
Maintaining a clean SRC controller is crucial for optimal performance and longevity. Dust, dirt, and debris can accumulate inside the enclosure, potentially causing corrosion or interfering with the electronic components.
To clean the controller, first disconnect it from the power source. Open the controller’s enclosure and use a soft, dry cloth to wipe down the internal components. Avoid using liquids or harsh chemicals, as these can damage the sensitive electronics. A can of compressed air can be used to gently remove dust from hard-to-reach areas.
Pay particular attention to the programming dial and display screen, ensuring they are free from any obstructions. Regularly inspect the wiring connections for any signs of corrosion or damage. A clean controller operates more efficiently and reliably, reducing the risk of malfunctions and extending its lifespan.
Replacing the Battery
The Hunter SRC controller utilizes a battery to maintain the programmed schedule during power outages. Regularly replacing this battery ensures continued operation and prevents data loss. A low battery is often indicated by flashing display or error messages.
To replace the battery, first disconnect the controller from the power source. Carefully open the controller’s enclosure, typically located on the front or side. Locate the battery compartment and note the battery type required – usually a standard 9-volt. Remove the old battery and insert the new one, ensuring correct polarity (+ and -).
Proper battery replacement safeguards your irrigation schedule and prevents the need to reprogram the controller after a power interruption. Dispose of the old battery responsibly, following local regulations.
Identifying Faulty Components
Diagnosing issues within the Hunter SRC controller often requires identifying failing components; Visual inspection is the first step; look for burnt marks on the circuit board, swollen capacitors, or damaged wiring. A malfunctioning display might indicate a screen or driver issue.
If valves aren’t activating, suspect a faulty output module or a broken solenoid connection. Communication errors could stem from a damaged communication board or wiring. Use a multimeter to test for continuity in wires and voltage at terminals.
Carefully document any observed damage or test results. If you’re uncomfortable with electrical testing, consult a qualified technician. Replacing faulty components often requires specialized knowledge and tools.
SRC Controller Replacement Guides
Replacing a Hunter SRC controller requires careful disconnection of wiring before removal. Document each wire’s connection to the old unit – photos are invaluable! Ensure power is completely off before handling any wiring. The new controller should be mounted in the same location, utilizing existing screw holes if possible.
Connect the wires to the corresponding terminals on the new SRC controller, referencing your documentation. Double-check all connections for security. Restore power and verify proper operation, testing each zone individually.
Program the new controller with your desired watering schedules. Dispose of the old unit responsibly, following local electronic waste regulations.
Advanced Features & Resources
Explore detailed charts, FAQs, and case studies for optimal SRC controller use. Access installation and adjustment procedures, plus educational materials for enhanced irrigation management.
Educational Materials & Charts
Hunter provides a wealth of resources to deepen your understanding of the SRC controller and irrigation principles. These materials are designed for both beginners and experienced professionals seeking to maximize system efficiency. Charts detailing wire gauge recommendations based on distance are available, ensuring reliable signal transmission to all valves.
Furthermore, comprehensive guides explain the impact of different soil types on watering needs, allowing for precise schedule customization. Flow rate and precipitation rate charts assist in calculating optimal run times for various nozzle types. Hunter’s online portal offers downloadable PDFs covering advanced concepts like evapotranspiration (ET) and its application to smart irrigation. These resources empower users to make informed decisions, conserve water, and achieve lush, healthy landscapes.
Frequently Asked Questions (FAQs)
Q: My SRC controller display is blank. What should I do? A: First, verify the power supply connection. If secure, check the battery – a low battery can prevent operation. Q: Can I use an SRC controller with all valve types? A: Yes, the SRC is compatible with most 24VAC solenoid valves.
Q: How do I reset the controller to factory settings? A: Consult the programming section for specific reset instructions. Q: What does “Cycle and Soak” do? A: It applies water in shorter cycles to reduce runoff. Q: Where can I find wiring diagrams? A: Detailed diagrams are available in the Installation section of this manual and online. Q: Is the SRC controller weatherproof? A: While splash-resistant, it’s best to mount it in a sheltered location.
Case Studies: Real-World Applications
Case Study 1: Residential Lawn – Water Conservation – An SRC controller was installed at a suburban home, replacing a timer-based system. Utilizing the seasonal adjustment and cycle/soak features, water usage was reduced by 30% while maintaining a healthy lawn. Case Study 2: Small Business Landscape – A local business implemented an SRC controller to manage irrigation for its landscaping.
The advanced scheduling options allowed for customized watering based on plant type and sun exposure. Case Study 3: Golf Course Greens – An SRC Plus controller was utilized for precise irrigation control on a golf course putting green, minimizing water waste and maximizing turf quality. These examples demonstrate the SRC’s adaptability and efficiency in diverse settings.
Installation Procedures Detailed
Step 1: Mounting – Securely mount the SRC controller to a wall, ensuring adequate ventilation and protection from direct weather. Use appropriate screws and anchors for the surface. Step 2: Wiring – Connect valve wires according to the wiring diagrams, paying close attention to common and zone terminals. Ensure proper wire gauge and secure connections.
Step 3: Power Connection – Connect the controller to a suitable power source, verifying correct voltage. Step 4: Programming – After powering on, set the date and time, then program watering schedules based on specific site requirements. Step 5: Testing – Thoroughly test each zone to confirm proper valve operation and programming accuracy.
Adjustment Procedures
Seasonal Adjustments are crucial for water conservation. Utilize the SRC controller’s percentage adjustment feature to increase or decrease watering times based on seasonal changes. Cycle and Soak adjustments optimize water absorption, preventing runoff, especially on slopes. Configure cycle lengths and soak durations accordingly.
Fine-tuning Schedules involves observing plant health and soil moisture. Adjust individual zone run times to address specific needs; Regularly review and modify schedules based on weather patterns and plant growth. Dial Calibration ensures accurate timing; verify the dial’s responsiveness and adjust if necessary. Consistent monitoring leads to efficient irrigation.
