Hi klakol!
starting from your very hepful work i managed to get infos in HA from my De Dietrich Alezio heat pump.
Now i have some troubles with DHW tank temperature…do you had any luck with this regisrer value? I got always or 0 or invalid value. Just tried all device_class (int16, uint16, float16, etc…). or maybe do you found this information (DHW tank temperature) from other register…
solved reading the equivalent register in Zone 2 so 1631 and 1632.
Is there a place where the whole connection chain from Quinta/ Elga Ace - GWT-08 - … HA is described?
Thanks
On tweakers (a Dutch site) there is some info.
https://gathering.tweakers.net/forum/list_messages/2099846 - perhaps using Google Translate you can manage? Otherwise feel free to drop me a line.
In my case i connected an esp wemos d1 to an RS485 interface which is linked in turn to the GTW-08. The gtw08 is connected to the Elga using the existing wiring (rbus?). Modbus implementation is complicated. Reading values works to a certain extent, changing settings is more difficult. Personally i am a bit underwhelmed by the end result
Thanks!
This helps a lot. In my case I am also planning to use an ESP32 Arduino processor to collect the data. Basically reading is the first priority.
I am using the Arduino IDE. If you cound provide the code (as a scetch) it would help for sure!
Cheers
p.s.
In case you are waiting for a reply - I am off for the next two weeks
I use esphome. Integrates nicely with HA
Hello! I’m Trying to do soemthing similar with Baxi and GTW-08 (Baxi uses same GTW) Someone has the complete Modbus code? With all parameters?
Thank you very much!