Hello,
I created a custom integration to access the Daikin EKRHH modbus device locally. Its features include:
I have it running for close to 2 months now.
GitHub - gerione/daikin-ha-ekrhh-modbus: Modbus connector for the ekrhh home hub
Feedback is highly valued
Hi gerione, I have recently started using an Altherma 3 with Home Hub EKRHH and would like to try your custom integration. Can you recommend this and how do I integrate it into HA?
Hey. I am using it on a daily basis.
You can install it via HACS.
Just add GitHub - gerione/daikin-ha-ekrhh-modbus: Modbus connector for the ekrhh home hub as a custom repository.
Hi gerione, the installation via HACS was successful and I can set the controls but the sensors have unknown values.
May be my new version is the problem?
Software version: 2.4.3
Build number: 3658
Mine is the same version.
What are your heat pump settings?
Do you have one or two heating zones?
And are the values unknown or 32567?
Could you post a screenshot
Hi Gerione,
thanks for this community integration.
That is what I was looking for since the EKRHH was installed in my AC system.
I installed it today ans set up the integration.
Unfortunately it shows a “random” value 32767 in various formats (327.67 / 32.767 ) with various units ( °C / L/ min / kW )
Ist there any redme or instruction right now.
Do you have any idea what the problem could be?
Thanks for your assistance and your support.
What AC unit are you using? Mine is an Altherma 3 R F
Mine is a Air to Air AC - Daikin Multi Split 2MXM.
This is driving two inside units “Stylish”.
I just checked the manual for the EKRHH.
It lists 3 modes:
This integration only works for use case 3 and 4. I am not sure if you can activate it, or only use case 2 works for the Multisplit
Checking the manual. I think you need to activate use case 3 on your machine. I try to make a manual on the weekend.
Additional information for use case 4:
All units supporting 4th generation WLAN adapter (BRP069C4*) are compatible.
This use case is NOT compatible when more than 5 units are being used
Hi.
I am using a Daikin 5MXM90A2V1B9 (5 device outdoor unit), with 5 indoor Perfera climate devices (4x FTXM20A2V1B and 1x FTXM35A2V1B). They are all using the gateway BRP069C4x and are also connected the Onecta app. The usage mode is “4”
Installation was quite easy and worked really good. But same as some users before, I only get the value 32.767 in different formats through all the values. All controll values are maxed out.
Any way how I can help you with information for further development?
But you have additionally the EKRHH home hub installed?
Yes, as I am forced to have it for getting additional goverment support. The hub is also integrated in the Onecta app.
Sollte kein Problem sein, ich checke sie mal wenn ich wieder zu Hause bin. 
Bei mir steht es auf Variante 1 " Modbus für Luft zu Luft Wärmepumpe"
Works great for me, thanks a lot for your efforts! But I think the offset settings may be incorrectly defined. I cannot set a negative offset for the leaving temperature number.homehub_weather_dependent_mode_main_lwt_heating_setpoint_offset since limits are >=0…
I will fix that bug as soon as possible.
The problem is that the registers for air to air are different. It will take some time to implement it.
Unfortunately only 2 settings are available.
Smart grid mode and demand control.
Hopefully Daikin will extend it
