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I'm currently heating my 1980s old building into the ground and I have no idea whether the heating curve is right. The Viessmann runs on slope 1.2 / level 3.0 a…
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While cleaning up my Grafana dashboards I noticed that my Viessmann Vitoladens 300-C cycles way too often: 17-52 burner starts per day, averaging just 9 minutes…