There is no possibility to set temperature higher than 37°C for ViCare heating, but it’s possible to set up to 82°C using Viessmann app. Limit is hardcoded there: core/homeassistant/components/vicare/climate.py at 81cac25bd01c26b8076c938a40a3677d9baf58b0 · home-assistant/core · GitHub
lets make it 60 degrees