Are the Dualsun panels compatible with the RENUSOL - VS+ Small elements ?
Edited
Yes, and this compatibility has been attested to by an independent Control Office which has issued a New Technical Survey (NTS) to confirm this.
Some DualSun FLASH & SPRING panels are therefore compatible with the RENUSOL - VS+ Small elements:
Types of roofing: pitched roof
Certification: Dualsun Flash panels are integrated into the NTS L.21.60366
Modes: Landscape and Portrait
You can also consult the documents available on the manufacturer's website
For more details about the installation of Dualsun panels on the roof: What mounting system can be used to install Dualsun SPRING panels on roofs ?