Henk vd Brink hvdb
hvdb
/ Rotenso heatpump windmi modbus home assistant
Last active
September 4, 2025 20:32
Home assistant Rotenso Windmi heat pump modbus connection
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Rotenso Windmi heat pump has an option to to connect to it via Modbus | |
| The [documentation](https://thermosilesia.pl/assets/default/system_object_files/43e99485889db21827eed29418c8fbec.pdf) isn't that clear on how. | |
| The GCHV address is actually the modbus address, remove the trailing H and convert it to a number and you have the correct modbus address. | |
| Connect a Elfin-EW11 to ABE and power it via USB. (or something else) | |
| Set the correct baudrate and all others. | |
| Configuration.yaml | |
| -> Add include of a modbus.yaml page |