1. Introduction
Thank you for choosing the INKBIRD IIC-600-WIFI Smart Sprinkler Controller. This device is designed to automate your garden irrigation system, providing efficient and convenient watering for up to six zones. With Wi-Fi connectivity, you can remotely control and monitor your watering schedules from anywhere using the dedicated mobile application. This manual provides detailed instructions for installation, operation, and maintenance to ensure optimal performance of your sprinkler controller.
2. Product Overview
The INKBIRD IIC-600-WIFI is a smart irrigation controller capable of managing up to six independent watering zones. It features a robust design with a weatherproof cover, making it suitable for outdoor installation. The controller integrates seamlessly with a mobile application, allowing for flexible scheduling, manual control, and real-time monitoring of your irrigation system.

This image displays the Inkbird IIC-600-WIFI Smart Sprinkler Controller alongside a smartphone showing its control application. The controller is a white, rectangular device with indicator lights for six zones and Wi-Fi connectivity. The app interface on the phone illustrates scheduling, manual control, and monitoring features for irrigation.

This image provides the physical dimensions of the Inkbird IIC-600-WIFI controller, showing its length as 15.2cm, width as 11.8cm, and thickness as 3.7cm.
3. Features
- Controls watering in up to 6 zones with independent scheduling for each zone.
- Offers four selectable watering cycles and six start times per day to meet diverse plant needs.
- Equipped with non-volatile memory to permanently save all settings, even after power outages.
- Provides flexible watering frequency options: specific days of the week, intervals (every "X" days), odd days, or even days.
- Supports connection to a rain sensor for automatic watering suspension on rainy days, conserving water.
- Includes a seasonal adjustment function for easy modification of watering times across all zones.
- Comes with a weatherproof cover to protect the device from environmental elements like dust, wind, sand, and rain.
- Enables remote control and monitoring via a 2.4GHz Wi-Fi network using the INKBIRD APP.
- Allows family members to be added and share management of the controller through the INKBIRD APP.

The Inkbird IIC-600-WIFI controller is shown mounted on a wall, with a garden view in the background, illustrating its typical outdoor installation environment.

This image presents multiple screenshots of the Inkbird app, highlighting various functionalities such as monitoring, schedules and history, seasonal adjustment, manual watering, and schedule settings. It demonstrates the comprehensive control available through the app.

The image shows the internal wiring terminals of the Inkbird IIC-600-WIFI controller, labeled for common, master, and six zones, along with 24VAC power. Icons below highlight its Wi-Fi connection, 6-zone controls, 4 cyclic options, and multi-time watering capabilities.

This image illustrates the family sharing feature within the Inkbird app, allowing multiple users to manage the sprinkler controller. It shows a smartphone screen with options to add and manage family members' access.
4. Package Contents
Upon opening the package, please verify that all the following items are included:
- INKBIRD IIC-600-WIFI Smart Sprinkler Controller
- 24VAC Power Adapter
- Mounting Screws and Wall Anchors
- Wire Connectors
- User Manual (this document)

This image displays the Inkbird IIC-600-WIFI controller, its power adapter, mounting screws, wall anchors, and wire connectors, all neatly arranged next to its product box, indicating the items included in the package.
5. Setup and Installation
Proper installation is crucial for the optimal performance of your smart sprinkler controller. The device should be mounted in a location that allows for easy access to wiring and a stable Wi-Fi signal. Ensure the location is protected from direct harsh weather conditions, although the unit does feature a weatherproof cover.
5.1 Physical Installation and Wiring
Mount the controller securely to a wall using the provided screws and anchors. Connect your sprinkler system's common wire, master valve wire (if applicable), and individual zone wires to the corresponding terminals on the controller. Ensure all connections are secure. If you have a rain sensor, connect it to the designated sensor terminals.

This diagram illustrates how to connect the master valve, individual zone valves (Valve 1, Valve 2, Valve 3), a rain sensor, and the 24VAC power adapter to the Inkbird IIC-600-WIFI controller's terminals (C, M, 1-6, S, 24VAC).
5.2 Wi-Fi Connection and App Pairing
Download the INKBIRD App from your smartphone's app store. Power on the controller. Open the app, click the "+" icon on the top right corner, and select "IIC-600-WIFI" to add the device. Short press the Wi-Fi button on the controller. Confirm the Wi-Fi icon status in the app, select your 2.4GHz Wi-Fi network, and enter the password. The controller will then pair with your app, enabling remote control.

This image provides a three-step visual guide for setting up the Inkbird controller: 1) Download the app and add the device, 2) Confirm Wi-Fi icon status and connect to 2.4GHz Wi-Fi, and 3) Successful pairing for remote control via the app.
6. Operating the Controller
The INKBIRD IIC-600-WIFI controller offers both automatic scheduling and manual operation modes, all accessible through the intuitive INKBIRD mobile application.
6.1 Automatic Scheduling
You can set up to four watering cycles and six start times per day for each of the six zones. The app allows you to define watering frequency based on specific days of the week (e.g., Mon, Tues), intervals (e.g., every 3 days), or odd/even days. The seasonal adjustment feature allows you to easily modify watering durations across all zones to adapt to changing weather conditions without reprogramming individual schedules.

This image shows the Inkbird app interface with sections for 'Watering Schedule In Last 3 Months' and 'History of Last 6 Months', detailing total watering time and number of times, providing a comprehensive overview of past and upcoming irrigation activities.
6.2 Manual Mode
For immediate watering needs, the manual mode allows you to activate any zone for a specified duration. This is useful for spot watering, testing your system, or providing extra water on exceptionally hot days.

The image illustrates the manual mode feature within the Inkbird app, allowing users to manually activate a specific zone for a set duration. The controller is also visible, indicating the physical interaction.
6.3 Remote Control and Monitoring
Once connected to Wi-Fi, you can control and monitor your sprinkler system from anywhere using the INKBIRD App. The app provides notifications for watering completion and offline status, ensuring you are always informed about your system's operation.

This image depicts a person using a smartphone to control the sprinkler system, with the Inkbird controller mounted on a wall in the background and a garden with sprinklers in the foreground, illustrating the remote control capability.
7. Maintenance
To ensure the longevity and reliable operation of your INKBIRD IIC-600-WIFI Smart Sprinkler Controller, follow these general maintenance guidelines:
- Keep Clean: Periodically wipe the exterior of the controller with a soft, damp cloth to remove dust and dirt. Avoid using harsh chemicals or abrasive cleaners.
- Check Connections: Annually inspect all wiring connections to ensure they are secure and free from corrosion. Loose connections can lead to intermittent operation.
- Protect from Elements: Although the unit has a weatherproof cover, ensure it is properly closed and sealed, especially during heavy rain or extreme weather conditions.
- Winterization: In regions with freezing temperatures, follow standard sprinkler system winterization procedures, which may include disconnecting the controller from power and draining lines.
8. Troubleshooting
If you encounter issues with your INKBIRD IIC-600-WIFI Smart Sprinkler Controller, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Controller not connecting to Wi-Fi | Incorrect Wi-Fi band (5GHz instead of 2.4GHz), weak signal, incorrect password, router settings. | Ensure your router's 2.4GHz band is enabled and named differently from the 5GHz band. Move the controller closer to the router. Double-check Wi-Fi password. Restart router and controller. |
| Sprinklers not watering | No power, incorrect wiring, rain sensor activated, schedule not set, valve issues. | Check power adapter connection. Verify all wiring according to the diagram. Check if the rain sensor is wet or activated. Ensure schedules are correctly programmed in the app. Manually test zones to check valve functionality. |
| Settings not saving | Power interruption during setup, rare firmware issue. | The controller has non-volatile memory, so settings should persist. Ensure power is stable during setup. If issues persist, contact customer support. |
| App not responding or crashing | Outdated app version, phone operating system issues, temporary app glitch. | Update the INKBIRD App to the latest version. Restart your smartphone. Reinstall the app if necessary. |
9. Specifications
| Specification | Value |
|---|---|
| Brand | Inkbird |
| Model | IIC-600-WIFI |
| Manufacturer | INKBIRD |
| Voltage | 24 Volts |
| Display Type | LCD or LED |
| Operating Temperature | 21 Degrees Celsius |
| Colour | Gray, White |
| Batteries Required | No |
| Included Components | No (refers to components within the unit, not package contents) |
| Date First Available | June 25 2022 |
10. Warranty and Support
The INKBIRD IIC-600-WIFI Smart Sprinkler Controller comes with a 1-Year Guarantee from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
For technical support, troubleshooting assistance, or warranty claims, please contact INKBIRD customer service. Refer to the contact information provided on the product packaging or the official INKBIRD website for the most up-to-date support channels.





