Modul-AIR Electrical Schematic Below you will find a Modul-AIR Electrical Schematic File. Click the 'Download Schematic' button to download the proper version. Modulair All-E with 2 Zone Radiators Modulair All-E with 2 Zone UFH Modulair All-E with 1 Zone Radiators/UFH Modulair All-E & GC with 2 Zone Radiators Modulair All-E & GC with 2 Zone UFH Modulair All-E & GC with 1 Zone Radiators/UFH