Dear community, I'm owning a Viessmann Vitocal 200S Heatpump with two heating circuits (underfloor and ventilo's). Connected to the heatpump is a Vitogate 200, KNX and a Vitoconnect WIFI module. I'm still figuring out the best possible way to control every room independently through KNX, but to start I only want to control HC1 (ventilo's) with a KNX temperature sensor in the bathroom as room temperature feedback. Therefore I do not use the Viessmann Vitotrol 200 to control the circuit. The issue I have: I cannot write to the room temperature datapoint? As you can see in the screenshot from ETS6, the datapoint is Read only. So my question is: can I change this to Read/Write? And, can I use the heating circuit without Vitotrol 200? Another issue I have developing this: I couldn't find any contact at Viessmann who could deliver my the datapoint documentation? Best regards, Niels Steyaert
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