One version is already supported, the problem is that they have three different Z-Wave versions and a couple of others. The three with Z-Wave are apparently not quite compatible and there's a big long thread about it here
http://forum.securifi.com/index.php/topic,1609.0.htmlThe one you linked to would work if it's firmware 1.00, but not 1.01... we don't really know why and Danfoss really needs to get their act together.