
3.5 Connections ................................................................................................... 12
3.5.1 Electrical connection ............................................................................... 13
3.5.2 Water connection, regardless of any options .......................................... 13
3.5.3 Ventilation ............................................................................................... 13
3.5.4 Steam (optional) ..................................................................................... 13
3.5.5 Condensation water (option) ................................................................... 14
3.5.6 Drain/waste pipe ..................................................................................... 14
3.5.7 Detergent and drying agent .................................................................... 14
3.5.8 Setting / adjustment of flows ................................................................... 16
3.6 Installation and connection of auxiliary equipment and options ..................... 16
3.7 Trial operation ................................................................................................ 17
3.7.1 Start-up schedule .................................................................................... 17
3.8 Documentation ............................................................................................... 18
4. Operating instructions ................................................................... 19
4.1 Before washing .............................................................................................. 19
4.1.1 Machine design ....................................................................................... 19
4.1.2 Preparations before filling ...................................................................... 21
4.1.3 Filling and heating the machine ............................................................. 21
4.1.4 Positioning the items in the cassette ...................................................... 22
4.1.5 Using accessories ................................................................................... 22
4.1.6 Restaurant kit (WD-90GR Flex) .............................................................. 23
4.1.7 Gastronorm kit (WD-90GR HC) .............................................................. 27
4.1.8 Other extra equipment for the WD-90GR Flex / WD-90GR HC .............. 33
4.2 Washing ......................................................................................................... 37
4.2.1 Selecting a programme ........................................................................... 37
4.2.2 Washing ................................................................................................. 39
4.2.3 Changing the water ................................................................................. 41
4.3 After use – Cleaning ...................................................................................... 43
4.3.1 Incorrect cleaning methods ..................................................................... 43
4.3.2 Daily cleaning ......................................................................................... 44
4.3.3 Weekly cleaning or as required .............................................................. 47
4.3.4 Periodic servicing .................................................................................... 50
4.3.5 Operating problems ................................................................................ 50
5. Technical specifications ................................................................ 54
WD-90GR FLEX / HC Rev. 3.0 (201811)