Grinders – grinding degree setting .................................................................................................................................................................... 19
2.13 Proportional valve proportion calibration ........................................................................................................................................................... 20
2.14 Brewing time monitoring ................................................................................................................................................................................... 21
Front panel ....................................................................................................................................................................................................... 23
2.16 Safety valve – procedure for performing a functional check ............................................................................................................................. 26
3 Maintenance concept ..................................................................................................................................................................................... 27
3.1 Overview of maintenance activities .................................................................................................................................................................. 27
3.1.1 Installation of maintenance packages required for different brewing times ...................................................................................................... 28
3.2 Maintenance packages ..................................................................................................................................................................................... 29
3.3 Descaling .......................................................................................................................................................................................................... 31
3.4 Pressure release routine ................................................................................................................................................................................... 32
3.5 Boiler pressure check ........................................................................................................................................................................................ 32
3.6 Special tools and aids ....................................................................................................................................................................................... 33