1 General Information
6 99E13331xx-mub-en - V07 2021/03
20.1 Status ......................................................................................................................... 52
20.2 General settings ......................................................................................................... 53
20.3 USB ........................................................................................................................... 53
20.4 Automatic / manual mode ........................................................................................... 53
20.5 Advanced settings* .................................................................................................... 53
21 Functions in the cascade network .................................................................................. 53
21.1 Circulation .................................................................................................................. 54
21.2 Stratification of return ................................................................................................. 55
21.3 Comfort function ......................................................................................................... 55
21.4 Thermal disinfection ................................................................................................... 55
21.5 Alarm relay ................................................................................................................. 56
21.6 Parallel relay .............................................................................................................. 56
21.7 Hygienic flush / protection against blocking ................................................................ 56
21.8 Buffer tank .................................................................................................................. 56
21.9 Reheating ................................................................................................................... 56
22 Technical data ............................................................................................................... 57
23 Error correction ............................................................................................................. 58
23.1 Error messages .......................................................................................................... 58
23.2 Troubleshooting ......................................................................................................... 60
23.3 Checking the VFS 2-40 flow sensor ........................................................................... 63
23.4 Checking the FlowSonic flow sensor .......................................................................... 64
24 Disposal ........................................................................................................................ 66
25 Exclusion of liability ....................................................................................................... 66
26 Legal guarantee ............................................................................................................ 67