A warewash machine for washing wares includes a chamber for receiving wares, the chamber having an inlet side, an outlet side, multiple spray zones between the inlet side and the outlet side, and a conveyor arrangement for moving wares along a conveyance path through the multiple spray zones in a ware travel direction. A prescrapping zone is located toward the inlet side of the chamber, the prescrapping zone having a blow-off system comprising a plurality of prescrapping nozzles and a compressed air feed line for delivering compressed air to the prescrapping nozzles.

A warewash machine for washing wares includes a chamber for receiving wares, the chamber having an inlet side, an outlet side, multiple spray zones between the inlet side and the outlet side, and a conveyor arrangement for moving wares along a conveyance path through the multiple spray zones in a ware travel direction. A prescrapping zone is located toward the inlet side of the chamber, the prescrapping zone having a blow-off system comprising a plurality of prescrapping nozzles and a compressed air feed line for delivering compressed air to the prescrapping nozzles.

A dish overflow protection system for a dishwasher. The dishwasher has a conveyor mechanism, a holding area, and a washing system. The dish overflow protection system has a housing including a user interface. A first sensor is disposed on the housing and is configured to take a first reading. A second sensor is remote from the housing and is configured to take a second reading. The dish overflow protection system has a control unit configured to halt operation of the conveyor mechanism where a difference between the first reading and the second reading is greater than a threshold. The user interface is usable to modify the threshold.

A warewash machine for washing wares includes a chamber for receiving wares, the chamber having an inlet side, an outlet side, multiple spray zones between the inlet side and the outlet side, and a conveyor arrangement for moving wares along a conveyance path through the multiple spray zones in a ware travel direction. A prescrapping zone is located toward the inlet side of the chamber, the prescrapping zone having a blow-off system comprising a plurality of prescrapping nozzles and a compressed air feed line for delivering compressed air to the prescrapping nozzles.

A dish overflow protection system for a dishwasher. The dishwasher has a conveyor mechanism, a holding area, and a washing system. The dish overflow protection system has a housing including a user interface. A first sensor is disposed on the housing and is configured to take a first reading. A second sensor is remote from the housing and is configured to take a second reading. The dish overflow protection system has a control unit configured to halt operation of the conveyor mechanism where a difference between the first reading and the second reading is greater than a threshold. The user interface is usable to modify the threshold.

A conveyor warewasher has at least one washing zone, at least one rinsing zone and a conveyor apparatus. A camera system is arranged above or below or to the side of the conveyor apparatus and is configured in order capture at least one image of a portion of the conveyor apparatus, preferably continuously or at predetermined or determinable times and/or events. An evaluation device is configured in order to evaluate and determine on the basis of the at least one image whether, at the time of the image capture, washware of the following washware category was present in the portion of the conveyor apparatus: reusable plasticware, in particular in the form of plastic trays, plastic mugs, plastic bowls, plastic covers for plastic bowls, and/or plastic plates.

A cleaning apparatus for cleaning articles to be cleaned includes at least one cleaning chamber; at least one conveying device configured to convey the articles to be cleaned in a conveying direction through the cleaning chamber, the at least one conveying device comprising a plurality of tracks arranged side by side; at least one nozzle system configured to act upon the articles to be cleaned with at least one cleaning fluid; at least one sensor configured to detect a loading of the conveying device with articles to be cleaned; and at least one control means programmed to select at least one operating mode of the cleaning apparatus corresponding to the loading of the conveying device detected by the sensor, and to propose the selected operating mode to a user of the cleaning apparatus by providing a visual indicator on one or several tracks of the conveying device.

A conveyor dishwasher includes at least one wash zone and at least one final rinse zone, wherein the at least one wash zone is designed to spray wash liquid, wherein the wash liquid is, at least proportionally, liquid which has already been used for final rinsing in the at least one final rinse zone and to which a wash chemical is added in a metered manner or is fresh water to which a wash chemical is added in a metered manner, wherein the conveyor dishwasher has a metering pump for adding the wash chemical in a metered manner to the liquid to be sprayed in the at least one wash zone, and wherein a controller is associated with the conveyor dishwasher in order to actuate the metering pump and a wash pump or final rinse pump of the dishwasher.

A cleaning apparatus for cleaning articles to be cleaned is proposed, in particular a tunnel dishwashing machine. The cleaning apparatus includes at least one cleaning chamber and at least one conveying device, wherein the conveying device is set up to convey the articles to be cleaned in a conveying direction through the cleaning chamber. The cleaning apparatus comprises at least one nozzle system for acting upon the articles to be cleaned with at least one cleaning fluid. The cleaning apparatus additionally comprises at least one sensor for the articles to be cleaned which is set up in order to detect a loading of the conveying device with articles to be cleaned. The cleaning apparatus additionally comprises at least one control means and at least one displaying means. The control means is set up in order to select at least one operating mode of the cleaning apparatus corresponding to the detected loading of the conveying device with the items to be cleaned and to propose the selected operating mode by means of the displaying device to a user of the cleaning apparatus.