Remotec ZXT-120


The Remotec ZXT-120 is a ZWave device which sends IR signals for HVAC systems. On the fibaro HC2, it is integrated as a thermostat.

Since NEEO is unable to control some HVAC system (like Mitsubishi MFZ-KA), I thought it could control them through the Remotec ZXT-120.

After successful zwave inclusion, the device cannot be used there is command available.

Have you any plan for a better integration of this device ?

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  • Hello Cédric Legendre I am tagging Patrick in this thread, as he is the best support for any Z-Wave question or issue. He is currently at the CES show in Las Vegas but he will come back to you as soon as he is back from his business trip. Many users from Planet NEEO can also jump in and help with tips and their personal experience with Z-Wave devices.

    I will forward your request to the team for them to check if their can find a way for the device to work in parallel.

    Thank you for your understanding.

    Wishing you a lovely day.

    My best regards,

  • Cédric Legendre

    Hi again!

    I just wanted to give you a status update for your Mitsubishi A/C device request.

    In the meantime we where able to organize the codes for most Mitsubishi A/C devices and where able to divide them into two categories: Mode based and non-mode based.

    The non-mode based devices present no issue and where just added. Unfortunately, the mode based devices cannot be supported by NEEO. Mode based devices are the following series:

    MSZ-Series (most of them)

    Let me explain why these devices cannot be supported and what mode based means:

    We distinguish between non-mode based devices and mode based devices.
    When sending a command to a non-mode based device, for example, TEMP UP command, the temperature will rise, no other setting is affected. That’s different from mode based devices. They have combined IR commands. The TEMP UP command would also contain the fan settings, mode settings (e.g. dry), etc. If NEEO would send some TEMP commands, all settings would be changed.

    As another example, if the temperature on the A/C device is set to a specific temperature and you are sending e.g. a FAN command, it would also raise or lower the temperature to the degree, that is included within the combined FAN IR command. The same command also could include the setting Mode Dry and Oscillation On, while with the original setting, before sending the FAN command, Mode Dry and Oscillation may have been Off. As a result a combined command can mess up all your settings and make the device unusable, if such commands are not handled correctly. This means that we would have to offer all possible combinations of codes - which would be a couple of hundreds to a couple of thousand commands and combinations. There is currently no possibility for us to combine them. Also, we think presenting the customer with thousands of codes is a user nightmare.

    As this cannot be solved, we’ll close this post for now. If we will ever able to find a solution for this and control mode based A/C devices, we’ll come back to you and let everybody now. At the moment there is no foreseeable time frame for this and I cannot make any promises.

    I’m very sorry for the bad news and many thanks for your understanding! If you have any further questions, let me know. Thanks!

    Also, regarding the Remotec device - I'm afraid, currently Z-Wave device of the category thermostat are not supported. This is because of a temporary issues. Thermostats should hopefully work again, soon.

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