I just saw that someone else has the same issue.
See Zwave Eurotronic Spirit with external Temperatur don't work
and https://github.com/openhab/org.openhab.binding.zwave/issues/720
So unfortunately there is nothing I can do at the moment 
I just saw that someone else has the same issue.
See Zwave Eurotronic Spirit with external Temperatur don't work
and https://github.com/openhab/org.openhab.binding.zwave/issues/720
So unfortunately there is nothing I can do at the moment