Hunter Node 400 Manual: A Comprehensive Guide
This manual provides detailed instructions for the Hunter Node 400, a battery-powered irrigation controller ideal for remote locations and simplified scheduling.
It covers installation, programming, troubleshooting, and compatibility with accessories like Clik sensors and the SPNODE solar kit for reliable, efficient watering.
The Hunter Node 400 is a robust, battery-powered irrigation controller specifically designed for installations lacking access to traditional AC power sources. This makes it perfect for remote sites or areas where electrical wiring is impractical.
Its waterproof (IP68 rated) and durable construction ensures reliable operation even in harsh environments, protecting against water ingress and the elements. The Node 400 offers a user-friendly experience with an easy-to-program LCD screen, allowing for flexible scheduling with up to three independent programs and four start times per program.
This controller simplifies irrigation management, offering features like seasonal adjustment and compatibility with Hunter Clik sensors for intelligent watering based on weather conditions.
Key Features and Benefits
The Hunter Node 400 boasts several key advantages for efficient irrigation. Its battery-powered operation eliminates the need for wiring, simplifying installation and expanding placement options. The IP68 waterproof rating guarantees durability and reliability in any outdoor environment, protecting against water damage.
An intuitive LCD screen allows for easy programming of up to three independent programs with four start times each. Additional benefits include easy memory retrieval, global seasonal adjustment (10-150%), and compatibility with Hunter Clik sensors for smart watering.
Battery-Powered Operation
The Hunter Node 400’s defining feature is its battery-powered design, offering unparalleled flexibility in installation locations. Eliminating the need for AC power makes it perfect for remote sites or areas where electrical access is limited or unavailable. A 9V battery powers the controller (battery not included), providing a convenient and cost-effective solution.
The unit also includes a battery-life indicator to proactively alert users when replacement is needed, ensuring uninterrupted operation. This feature minimizes maintenance and maximizes the controller’s reliability for consistent irrigation performance.
Waterproof and Durable Design (IP68 Rated)
The Hunter Node 400 is built to withstand harsh outdoor environments, boasting an IP68 rating for superior protection. This rating signifies complete protection against dust ingress and prolonged immersion in water, ensuring reliable operation even in challenging conditions. Its waterproof enclosure seal safeguards internal components from moisture damage.
The solid construction and robust design contribute to the Node 400’s durability, making it ideal for valve boxes and other exposed locations. This resilience minimizes the risk of failure and extends the controller’s lifespan, providing long-term performance.
Easy-to-Program LCD Screen
The Hunter Node 400 features a user-friendly LCD screen designed for intuitive programming and operation. This screen allows for straightforward navigation through the controller’s settings and schedules, simplifying the setup process. Users can easily adjust run times, start times, and program parameters with minimal effort.
Standard controller programming includes 3 independent programs with 4 start times per program, offering flexible scheduling options. The clear display and simple interface ensure that even novice users can quickly master the Node 400’s programming capabilities.
Technical Specifications
The Hunter Node 400 is available in various station models, including fixed 1, 2, 4, and 6 station configurations. The 4-station model, specifically, offers a maximum station run time of 6 hours. It operates on a 9V battery (not included) and includes a battery-life indicator for timely replacement.
The controller’s dimensions are 3-1/2 inches in diameter and 2-1/2 inches in height. It’s designed for both indoor and outdoor use with an IP68-rated waterproof enclosure, ensuring durability and reliability in various environments.
Station Capacity: 4 Stations
The Hunter Node 400, in its 4-station configuration, provides independent control over four separate irrigation zones. This allows for customized watering schedules tailored to the specific needs of different areas within a landscape. Each station can be programmed with up to four independent start times, offering flexibility in scheduling.
The maximum run time per station is 6 hours, providing ample duration for thorough irrigation. This model is ideal for residential lawns and gardens requiring moderate zoning control and efficient water management.
Maximum Station Run Time
The Hunter Node 400 allows for a maximum station run time of six hours. This generous duration accommodates various plant types and soil conditions, ensuring adequate hydration. Users can precisely adjust run times for each of the four stations to match specific watering requirements.
This flexibility prevents over or under-watering, promoting healthy plant growth and conserving water. The extended run time capability is beneficial for landscapes with diverse irrigation needs, offering efficient and customized control.
Power Source and Battery Life
The Hunter Node 400 operates solely on a 9V battery, providing a convenient, wire-free solution for locations lacking AC power. While a battery is not included, the controller features a battery-life indicator to alert users when replacement is needed.
Maintenance-free operation is achievable with the optional SPNODE solar kit, eliminating the need for frequent battery checks or changes. Battery life varies depending on usage and solenoid draw, but regular monitoring ensures consistent performance.
Installation Guide
Installing the Hunter Node 400 is designed to be quick and straightforward. The unit mounts directly to a valve solenoid without requiring screws, drills, or extra wiring, simplifying the process significantly. Ensure the controller is securely attached to prevent movement or water ingress.
Proper wiring connections are crucial, especially when using DC latching solenoids (sold separately). The Node 400’s waterproof enclosure protects against harsh environmental conditions within the valve box, ensuring reliable operation.
Mounting the Node 400 to a Valve Solenoid
The Hunter Node 400 is engineered for easy mounting directly onto a valve solenoid. This design eliminates the need for complex installations involving screws, drilling, or additional wiring. Simply align the controller with the solenoid and securely attach it – the process is remarkably quick and user-friendly.
The unit’s robust construction and waterproof exterior ensure a stable and protected connection, even in challenging valve box environments. Proper mounting is vital for reliable operation and longevity.
Wiring Connections (DC Latching Solenoids)
The Hunter Node 400 is specifically designed for use with DC latching solenoids, which are sold separately. Ensure compatibility before installation. Connect the solenoid wires to the designated terminals within the Node 400’s waterproof enclosure.
Proper polarity is crucial; incorrect wiring can prevent operation. Refer to the wiring diagram inside the controller or in the full owner’s manual for precise connection details. Secure connections to prevent corrosion and ensure reliable performance.
Programming the Hunter Node 400
The Node 400 features an easy-to-program LCD screen allowing for flexible irrigation scheduling. Utilize three independent programs, each supporting up to four distinct start times. Adjust run times for each station individually, with a maximum duration of six hours.
Setting the date and time is the first step, followed by creating programs and assigning stations. A one-touch manual start function enables immediate watering for testing or supplemental irrigation.
Setting the Date and Time
Before programming, accurately setting the date and time is crucial for proper scheduling. Access the time setting function through the Node 400’s LCD screen interface. Navigate using the buttons to adjust the month, day, and year sequentially.
Similarly, set the hour and minute ensuring correct AM/PM designation. Confirm each setting before proceeding to the next. Accurate timekeeping ensures programs activate at the desired times, optimizing water usage and plant health.
Creating and Scheduling Programs
The Hunter Node 400 allows for up to three independent programs, each with four distinct start times. To create a program, first select an available program number. Then, define the start time – hour and minute – for the desired watering event.
Next, assign specific stations to each start time within the program. Repeat this process for each desired start time, customizing watering schedules for different zones. Save the program to activate the schedule.
Adjusting Run Times and Start Times
To modify a station’s run time, navigate to the program and start time containing that station. Use the LCD screen’s controls to increase or decrease the watering duration, with a maximum run time of six hours per station.
Adjusting start times is equally straightforward; simply select the desired program and start time, then modify the hour and minute settings. These adjustments allow for precise control over irrigation schedules, optimizing water usage and plant health.
Using Hunter Clik Sensors
The Hunter Node 400 is fully compatible with Hunter Clik sensors, offering rain-sensing shutoff capabilities for water conservation. These sensors utilize a micro-switch connection, meaning wireless Clik sensors are not supported.
Wiring involves connecting the Clik sensor’s common and normally open wires to the designated sensor terminals on the Node 400 controller. Proper configuration ensures the system automatically suspends irrigation during rainfall, promoting efficient water management.
Compatibility with Hunter Clik Sensors
The Hunter Node 400 demonstrates excellent compatibility with Hunter Clik wired rain sensors, enhancing irrigation efficiency. It’s crucial to note that the Node 400 does not support wireless Clik sensor models; only micro-switch type sensors are functional.
This compatibility allows for automatic suspension of scheduled watering during rainfall events, conserving water and promoting healthy landscapes. Utilizing Clik sensors with the Node 400 provides a cost-effective and reliable weather-based irrigation control solution.
Wiring and Configuration of Clik Sensors
To connect a Hunter Clik sensor to the Node 400, locate the designated sensor terminals within the controller’s wiring compartment. Connect the Clik sensor’s common wire to the “Sensor” terminal and the normally closed wire to the “Ground” terminal.
Once wired, the Node 400 automatically recognizes the Clik sensor. No specific programming is required for sensor activation; the controller will interrupt scheduled watering when the sensor detects rainfall. Ensure secure connections for reliable operation.
Seasonal Adjustment
The Hunter Node 400 offers a convenient Seasonal Adjustment feature, allowing you to globally modify run times based on changing weather conditions. This adjustment ranges from 10% to 150%, providing precise control over water usage.
To implement, access the Seasonal Adjustment setting within the programming menu. Increase the percentage during hotter, drier periods to extend run times, or decrease it during cooler, wetter seasons to conserve water. This simplifies irrigation management throughout the year.
Understanding Seasonal Adjustment (10-150%)
The Seasonal Adjustment feature on the Hunter Node 400 functions as a global multiplier for all programmed run times. A setting of 100% maintains the original schedule. Increasing to 150% extends each run time by 50%, delivering more water.
Conversely, 10% reduces run times by 90%, conserving water. This percentage-based system offers a simple way to adapt to varying weather patterns without individually adjusting each program or station. It’s a powerful tool for efficient water management.
Implementing Seasonal Adjustments
To implement Seasonal Adjustment on the Hunter Node 400, access the adjustment setting within the programming menu. Use the up and down arrows to select the desired percentage, ranging from 10% to 150%. Confirm your selection to apply the change globally to all programs.
Monitor your landscape and adjust accordingly. For drier periods, increase the percentage; for wetter periods, decrease it. Regular adjustments ensure optimal plant health and water conservation.
Maintenance and Troubleshooting
Regular maintenance ensures reliable operation of your Hunter Node 400. Check the battery indicator periodically; replace the 9V battery when the low battery icon appears. For troubleshooting, verify wiring connections and program settings. If stations aren’t running, confirm the program is active and the start time has passed.
Ensure the valve solenoid is functioning correctly. If issues persist, consult the full owner’s manual for detailed troubleshooting steps and contact Hunter support if needed.
Battery Replacement and Indicator
The Hunter Node 400 utilizes a standard 9V battery (not included) for power. A battery-life indicator on the LCD screen displays the remaining battery level, alerting you when replacement is necessary. Low battery conditions can cause erratic operation or program loss, so prompt replacement is crucial.
To replace, open the battery compartment and install a fresh 9V battery, ensuring correct polarity. Regularly checking the indicator prevents interruptions to your irrigation schedule.
Troubleshooting Common Issues
If the Node 400 isn’t operating, first check the battery. A low battery is a frequent cause of issues. Ensure correct wiring to DC latching solenoids; improper connections prevent operation. If programs are lost, replace the battery immediately, as the Node features non-volatile memory.
For unresponsive Clik sensors, verify wiring and compatibility. If the screen is blank, confirm battery installation. Consult the full owner’s manual for detailed troubleshooting steps.
Dimensions and Physical Characteristics
The Hunter Node 400 boasts a compact design suitable for valve box installations. Its controller measures 3-1/2 inches in diameter and stands 2-1/2 inches tall, ensuring it fits within confined spaces.
The unit’s waterproof enclosure, IP68 rated, protects internal components. This robust construction ensures durability in harsh outdoor environments. Its lightweight build facilitates easy mounting to valve solenoids without requiring extensive tools or modifications.
Controller Size (Diameter and Height)
The Hunter Node 400 controller features a conveniently small footprint for easy installation within valve boxes. Specifically, the unit’s diameter measures 3-1/2 inches, providing a snug fit without compromising accessibility.
Complementing this, the height of the controller is 2-1/2 inches, further contributing to its compact profile. These dimensions ensure compatibility with a wide range of valve box sizes and configurations, simplifying irrigation system upgrades.
Compatibility and Accessories
The Hunter Node 400 demonstrates excellent compatibility with several accessories to enhance functionality. Notably, it’s fully compatible with the Hunter SPNODE Solar Kit, offering maintenance-free operation and eliminating battery replacements.
Furthermore, the Node 400 works seamlessly with Hunter Clik sensors and other micro-switch type weather sensors, enabling smart irrigation adjustments. However, it’s important to note that wireless sensors are not compatible with this model.
Solar Kit Compatibility (SPNODE)
The Hunter Node 400 is specifically designed for compatibility with the SPNODE Solar Kit, providing a sustainable power solution for remote irrigation sites. This kit eliminates the need for frequent battery changes, offering truly maintenance-free operation.
Installation is straightforward, and the solar panel efficiently charges the Node 400’s battery, ensuring consistent performance. Utilizing the SPNODE kit extends the operational lifespan and reduces long-term costs associated with battery replacement, making it an environmentally friendly choice.
Compatibility with Micro-Switch Weather Sensors
The Hunter Node 400 seamlessly integrates with Hunter Clik sensors and other micro-switch type weather sensors, enhancing irrigation efficiency by automatically suspending watering during rainfall or wet conditions. However, it’s important to note that wireless sensors are not compatible with this controller.
Wiring and configuration are relatively simple, allowing for easy setup and reliable operation. Utilizing these sensors minimizes water waste and promotes healthy plant growth by responding to real-time weather data, optimizing irrigation schedules.
Owners Manual and Documentation
Comprehensive owners manuals and installation instructions for the Hunter Node-100, Node-200, Node-400, and Node-600 are readily available to assist users with setup and operation. For printing, a common and recommended paper size is US Letter (8.5 x 11 inches), utilizing 20lb white paper for optimal black and white digital printing results.
These resources provide detailed guidance ensuring a smooth experience, from initial installation to advanced programming features, maximizing the controller’s potential.
Accessing the Full Owners Manual
The complete Hunter Node series (Node-100, Node-200, Node-400, and Node-600) owners manual and installation guides are easily accessible online. Users can find detailed documentation through the Hunter Industries website, offering a comprehensive resource for all aspects of the controller.
These digital resources provide in-depth information, covering everything from initial setup and programming to troubleshooting and maintenance, ensuring optimal performance and longevity of your irrigation system.
Printing Considerations (Paper Size)
When printing the Hunter Node 400 owners manual, standard paper sizes are recommended for optimal readability and formatting. For black and white printing, US Letter size (8.5 x 11 inches) 20lb white paper is a commonly used and readily available option.
This paper weight and size ensure clear text and diagrams, facilitating easy reference during installation, programming, or troubleshooting of your irrigation controller. Consider these specifications for best results.