Thank you very much for your reply Lokonli,

It seems to be working better now, though sometimes I end up with switching on and off several times.
I will go on with testing tomorrow...

Hello, Though I'm new to the forum but im using domoticz for over a year now and i think its really great. I recently start to use the dzvents scripting. I'm trying to get a script to work to control my heatpump. The idea is to switch a dummy switch when there is need for heating in one of my rooms ...