In my house is a mechanical ventilation (MV) that I want to automate with Home Assistant. So I searched on the internet for existing solutions and many are based on the famous ACM-LV10. See some example solutions I found in the bottom. Why I post a new thread is that the insides of this MV I have, differ on some points that are important. For some example: In my MV there are connectors based on 0v, 0-10v, 0v, +15v. This MV also has ‘switches’ (in the pictures red/white marked with “ON”), three in a row where others have more.
I also tried to lookup the type of board but no luck either ( RENSON CubeH20 V7.0 )
Can someone point me a direction to automate this unit? Do I have to worry about the volts? What to do with the switches?
I’ve integrated the Qubino Flush Dimmer 0-10V (ZMNHVD1) with my central fan system (Buva Q-Stream) and it works perfectly!
The first dip switch needs to be set to ON in order to enable the 0-10V input (the yellow/red connections on the left hand side of the RENSON CubeH20 board).
See picture below for the connections / installation.
I got the same system (qsteam), just added the qubino 10v just like to pointed out. And yes it works. When i use the slider in my app i see the indicator on my main controller change and the vent goes faster or slower. So at this point where fine. But when i manualy try to change level on my main controller it freaks out. When use my slider on my app the indicator doesn,t work any more. And when i try to change it manualy it doesn’t response. (Only when i use the app)So my question is can you please send a screenshot of your settings / parameters.
I disconnected (switched off) the main controller as I don’t need it anymore, so I didn’t experience this situation. Can’t you just switch off the main controller and use HA instead? I automated the fan by using the z-wave humidity sensor in my bathroom, so I never have to manually switch on/off the fan anymore.
Apologies for replying on an older post. I have a Zehnder MV and the manufacturer explicity advises to not use the original switches (RF) when using 0-10v input. I needed to remove the entire RF module. Otherwise you are risking damage to your MV. I’m assuming this is the same for other brands.
I only tested a Qubino and with this module, the fan can be adjusted from 0-100%. I didn’t tested/used a Fibaro, so I don’t know if and how this works.
Been looking for a solution on automating my BuVa BoxStream II - 2009 here. One condition I had is to be able to use the Base controller that’s mounted inside the livingroom wall.
Since most modern BuVa systems are radio controlled out of the box, I’ve been searching for the BuVa radio protocol, but I can’t find an elucidating thread on radio protocol yet.
Wanted to share another interesting approach for automation by Niels De Klerk from our Homey colleagues. He included his mechanical ventilation to his home automation software without losing the base controller functionality by hooking up an ESP to the controller: https://community.athom.com/t/howto-buva-boxstream-mechanical-ventilation-hack/7596
I have a spare BuVa radio controller to crack open, but this method should be feasible for the base controller too.
Since I work with Shelly’s and ZigBee products mostly, installing a Zwave network and a Qubino controller on the BuVa would set me back €80 at least. Hope someone like me will take advantage from this idea
Any luck on the rf signals yet @Potterstraat ? I also think this would be the best option. I’m not sure if I understand the option with the Kaku correctly. It’s just 0-10v on an input in the box right? Isn’t the Shelly rgbw2 capable of doing this?
Sadly no updates on that radio protocol, I think it will take some serious reverse engineering or new newly published BuVa documentation to open that route. I didn’t dare to mess with the Shelly RGWB2 since I read in some documentation (can’t remember where) that it Shelly warns you to hook the RGWB to a fan… Also it would break the base controller functionality.
I went for the previously described option, the NodeMCU never misfired in the last couple of months, so I’m happy with that solution.
