is it possible to update the software on a UT3000?

[1stbscout]

I have a UT3000 ver.1.19 board on my Amana invertor system. I have been working on "ways" to get a communicating system smart thermostat to work with said system. I connected a Daikin One+ thermostat to the zone controller and could not get it to communicate with the board. But if I connected it directly to the equipment bypassing the board it did find and communicate with the equipment.
Is this due to a change in the software for the later UT300 boards?

[Steven W.]

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