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Hi, As far as I know, the system has been set up and installed correctly (sensor in place, wiring etc). My questions were about controlling the system. In particular, whether the WC would override the other controls or not and whether the heating needs to be on 24 hrs a day. My...

Hi, I hope someone can help - I have a Viessmann Vitodens 100-W boiler and I am struggling to get the weather compensation working with it. Although the sales literature is full of descriptions of what the WC can do and how much it can save, it is short on how to make it effective, and...