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iPonic 614 Hydroponic Grow Room Controller

Complete grow room control, remote monitoring and control, easy to use touchscreen.

iPonic 614 User’s Guide | Quick Start Guide | iPonic 614 Wiring Diagram

Control 2 grow rooms from a single controller with the iPonic 624

A Revolution in Commercial Grade Controllers

Take control of your grow room with the iPonic 614 Controller from Link4. Developed for the commercial hydroponic industry, the iPonic 614 is the product of 40 years of Link4’s research, development and experience in the commercial growing industry.

The All-In-One Grow Room Hydroponic Controller

Now you can operate every aspect of your grow room from one intelligent and fully programmable controller. The iPonic 614 does it all – complete CO2 control, Light Timer, Temperature, Humidity, Recycle Timers, Vent Fans, High-Temperature Shut-off, Central air conditioning and heating – even add your own custom devices. This is the only controller you will ever need.

Fully Programmable and Flexible

Unlike most hydroponic controllers on the market, the iPonic 614 grows and changes as your grow room changes. Its software-based intelligence means you can program all functions together and eliminate multiple controllers for multiple functions. Change devices on the fly, or add or delete devices to match your equipment in minutes. Includes 8 120-volt outlets – 6 fully programmable for a combination of devices, can also be used to control central a/c or heaters or any device with a remote thermostat connection.

Large Touch Screen Display

The large backlit display shows you the up to date status of all devices and settings. The simple touch control buttons make checking and changing settings simple.

Fully Automated Control of the Entire Growth Cycle

The iPonic 614 allows you to control each device individually with manual settings or fully automatically with all devices working together. It allows you to run custom growth cycles with programmed settings for every device on a week-by-week basis. These programs can be saved and even shared with other growers.

Remote Communications and Control

The iPonic 614 hydroponic controllers can be monitored and controlled by a smartphone, PC or other Internet devices – from anywhere in the world using the Link4 iPonic Cloud Service and the Link4 Communications Module.

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Frequently Asked Questions

Is there a 220V version of this controller?
No. The iPonic is available only in a 115V version. It can control 220V equipment with external trigger boxes with 115V trigger cable. You need to use a converter to convert 220V down to 115V for the controller to operate. Please ensure that your setup meets your local electrical code requirement.


What equipment can I plug into the iPonic controller?
The iPonic can handle up to 15A (115VAC) only. Any more current than this will cause the circuit breaker to trip. Please read the equipment power nameplate or label carefully. Equipment that either has high running current or high power on current should be controlled via external trigger boxes and have the trigger cable plugged into the iPonic controller.Heaters and lights should not be plugged directly into the iPonic controller.


There is a crack on my window. Do I have a defective unit?
There is a fine line on the surface of the iPonic controller window extending from the wheel toward the center. This artifact is created by the plastic mold during the injection process and does not affect the integrity or performance of the unit in any way.


Is the unit susceptible to noise from grow light ballasts?
Yes. Noisy ballasts combined with poor installation will lead to inaccurate sensor readings and even power resets on the controller itself. The controller has been designed to minimize the interference susceptibility, but proper installation is paramount to a successful experience. Please use these guidelines to minimize noise interference:

  • The iPonic controller must get its power from a clean dedicated circuit. This means the power to the controller should not be shared by anything that generates electrical noise (e.g. ballasts, motors, drives, etc.)
  • The controller, sensors, and sensor wiring need to be physically separated from any high voltage lines and sources by at least 6 ft.
  • If drives are used (or extremely noisy motors) then the power wiring to the motor should be shielded with earth ground.
  • Sensor wiring should not be longer than necessary. If an extension is required, you must use Link4’s shielded extension wire.

If the erratic behavior disappears when you turn off the lights or motors, this is most likely an interference issue. Keep in mind that the noise source could be motors that are located in another room and are not controlled by the iPonic controller.


How can I be notified when there is an alarm on the controller?
The iPonic controller can notify you of problems in 3 ways:

  1. There is an indicator on the unit itself (home screen, upper left).
  2. It can trigger an output to turn on something such as a light, buzzer, or SensaPhone.
  3. With the optional Communication Module and an Internet connection, it can send you an email or text message to let you know about the alarm.

What happens after a high alarm?
Once the iPonic’s high-temperature alarm has been triggered, It will automatically shut off all the lights. The temperature staging will already be at the highest cooling stage. The unit will stay in this condition until the temperature drops back into the normal operation range, at which point the iPonic will resume its normal operation.


What do channels 7 & 8 do? Do they exist?
Channels 7 & 8 can be configured to operate just like any other channel. However, it can only control low voltage signal. The output is a “dry output” (a small relay that closes) that can handle a 24V signal at 1A max. The connection terminal block is inside the unit. You need to run your wires through the white opening on the bottom and to the controller board itself. See the electrical diagram in the manual for the terminal location or here.


 A fan can be an On/Off device or a Fan device. What’s the difference?
An On/Off device and a Fan device are almost identical. The only difference is that when a Fan device turns on, the CO2 injection process is “cut off” (disabled). If a fan is configured as an On/Off device (through the advance menu) the CO2 operation is not affected. If the fan is being used to exchange air, the Fan equipment type is preferable. If it is used to just circulate air, use the On/Off equipment type.

iPonic 624

Control 2 grow rooms with one controller