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I cleard the UI=49 and the SR=57:48,00 and set the SH=48 but no luck, the thermostat still send higher values for control setpoint. And there's one thing in the documentation that's not entirely clear for me at the SH command: "Setpoint Heating — Set the maximum central heating setpoint. Return...

Thanks for the quick replay! First of all: as far as I can understand it's impossible to set the maximum CH temperature on the Viessmann boiler if an opentherm thermastat is connected, because Viesmann says the thermostat should know and set the maximum temperature. However on the Honeywell Evohome ...

Sorry, forgot to mention that the OTGW hardware came from Nodo shop, the version is v2.11 running firmware version 6.6. And here's a part from the logs. The strangest thing is that in this partial log one time (at 9:12:55) overwriting the max ch water setpoint worked, but in the previous and the nex...

Hi hvxl, I'm struggling with an older Vitodens W100 boiler (around 10 years old) connected to a Honeywell Evohome thermostat via opentherm and the OTGW in gateway mode between the two of them. I'm trying to set the maximum temperature of the heating water made by the boiler. As far as I understand, ...