So they may have minor issues or inconsistencies that I wouldn't know about. With that said, they were both in full-time use just a week ago so I would be surprised if there was any issue.
It looks like they have everything needed to function properly. I only have one manual available, but I'm sure it can be found online. Here is the description I found for this unit online: 2011-nt p32-oz.
Model with BIag In Boxi oil System The popper boast extensive features such as: updraft ventilation, fire suppression systems and filtration capabilities. And the ability to tailor the batch size. When you need both quantity and quality, these poppers are up to the task.The item "COMMERCIAL THEATER 32 OZ POPCORN MACHINE POPPER MAKER CLASSIC POP Theatre 2011nt" is in sale since Thursday, June 15, 2017. This item is in the category "Business & Industrial\Restaurant & Catering\Vending & Tabletop Concessions\Tabletop Concession Machines\Popcorn". The seller is "traderquinn" and is located in Springfield, Missouri. This item can be shipped to United States.