Warnings while checking models or running example models

If I check some models, I receive warnings because component type specifier are equal to partial types. For example:

It would be nice to avoid these warnings by, for example, using default component specifier as zero pressure drop models.

If I translate some example models, I receive warnings because, for example, iteration variables are missing. These warnings are not a big problem, however, it would be nice to avoid all warnings in order to provide reasonable example models. For example: