Ok, try this xml file. It's the one i currently use and its working for me.

Good luck!

I'm not a C programmer, but I think I found the decimal issue.... in the xms repository for the thermostat (/home/pi/domoticz/Config/danfoss/rsroom.xml ) the section <CommandClass id="67" base="0" /> <!-- Configuration Parameters --> does not show any paramenter.... so I assume they will come as ...