摘要 |
The invention relates to a dishwashing machine and method for the operation thereof, particularly a commercial dishwashing machine. It is designed to perform the following process steps: Step 1: performing a pretreatment cycle consisting of spraying the washing goods with an alkaline, highly concentrated cleaning solution, the pH value of which is at least 1 greater in value than the pH value of the washing liquid of a main washing cycle; Step 2 after Step 1: performing a soak cycle for a soak period, during which the cleaning solution acts on the washing goods and the washing goods are additionally thermally pretreated with steam, whereby the thermal pretreatment of the washing goods is performed during at least one part of the soak period, preferably during the entire soak period; Step 3 after Step 2: performing a main washing cycle, comprising spraying of the washing goods with washing liquid comprising water and cleaner; Step 4 after Step 3: performing a clear rinse cycle, during which the washing goods are sprayed with clear rinse liquid. |