27CRT–ECMCRT–ECM version Carisma100 (min.)100100 (min.)400 MIN.20400 MAX.MVVertical Casing – Wall InstallationMVVertical Casing – Ceiling InstallationMO-MVBVertical Casing – Floor InstallationMO-MVBHorizontal CasingIV-IOVertical ConcealedIV-IOHorizontal ConcealedModelsNOTE: the MV model can also be installed horizontallyleaving behind a 100 mm gap for air intake.For best operation of CRT–ECM IV-IO unitsdon’t connect any duct on the return sideand respect the minimum suggested dimensionof the air intake grid.