Table of contents
5
2.11
Grinders – idle current calibration .................................................................................................................................................................................................................................... 17
2.12
Grinders – grinding degree setting ................................................................................................................................................................................................................................... 18
2.13
Admixture calibration for proportional valve ............................................................................................................................................................................................................... 19
2.14
Brewing time monitoring .................................................................................................................................................................................................................................................... 20
2.15
Front panel ............................................................................................................................................................................................................................................................................... 21
2.16
Safety valve – Procedure for performing a functional check ................................................................................................................................................................................... 24
3
Maintenance concept ...................................................................................................................................................................................................................... 25
3.1
Overview of maintenance activities ................................................................................................................................................................................................................................. 25
3.1.1
Installation of maintenance packages required for different brewing times ...................................................................................................................................................... 26
3.2
Maintenance packages ......................................................................................................................................................................................................................................................... 27
3.3
Descaling - Preliminary ........................................................................................................................................................................................................................................................ 29
3.4
Pressure release routine ....................................................................................................................................................................................................................................................... 30
3.5
Boiler pressure check ............................................................................................................................................................................................................................................................ 30
3.6
Special tools and aids ........................................................................................................................................................................................................................................................... 31