In addition, I ordered the unit together with the Vakuumierbehältern Rommelsbacher.
But ENTEGEN the product description, the device according Rommelsbacher not provided with a hose connection and also without vacuuming is delivered.
Also, the device is not intended for the evacuation of containers, according manual. Since the vacuum pump works even with the lid open, I have ordered the vacuuming for Rommelsbacher equipment 1.40. The connection does not fit 100% in the suction in the vacuum chamber, but this can be solved by wrapping with tape.
When vacuuming vacuum chamber with an open but still the welding wire is heated. All in all not a good solution, but it works.
The VAC155 would have been no difference in price, but unfortunately he has as far as I could tell from the the user manual (there are only the instructions for the SMARTY 150) not the manual adjustment of the welding strength. Thus I will probably stick with one solution.