With the iGrow 800 Controller, you can add additional Expansion Boards for additional outputs control.

You can have your expansions Integrated at Factory or you can add the as needed

 Here is a video on the iGrow 800 Installing the 4 Output Expansion Board

To install the Expansion board to the controller you would:

• power controller down
• install your RS232 to RS485 Converter Board to Comm. Module on the Controller.
• Land a Power Wire From 12V terminal block on controller to 12V terminal block on Converter board
• Run your Communication Lines from Converter Board A & B terminal point on the Expansion Board.
• And land your 24VAC source on the Power Terminal points of the Expansion Board.
• Install your equipment and test their operation from the Toggles Switches,
• Set up your expansion Dip Switch Setting
• Program your expansion board from the Controller. 

 Once you have landed your communication & power wiring, it's time to land your equipment to the expansion outputs, here are some examples.

Once you have your equipment set up, simply set the dip switch addressing and program your expansion from the controller.