This answer does not sound promising. I read from another user of a Viessmann system who has a working solution for that problem, however by using an externally controlled pump. So far I am not intending to go that way, however.... Another approach: If we can change the schedule of that pump, why not use such a "change schedule" command in order to activate the pump for the needed short time only? It is not the intended way of usage, but.....
... Mehr anzeigen