N
Notation conventions ............................ 7
O
OFF mode.......................................... 22
ON mode............................................22
Operating modes.................................22
Operator interface............................... 19
P
Packaging...........................................37
Performance check.............................. 67
Preface................................................ 3
Preparation.........................................68
R
Recycling........................................... 33
Regulations ......................................... 4
Restore default................................... 63
S
Safety.......................................... 17, 29
Safety devices.................................... 31
Safety instructions...............................29
Scope ................................................. 7
Service menu..................................... 63
Set the backlight delay.........................60
Set the display brightness.................... 59
Set the fan speed................................ 65
Set the language................................. 60
Set the service mode........................... 64
Set the water temperature....................23
Settings............................................. 57
Status of the water heater.................... 21
Structure of the water heater................ 35
Symbols on the display........................ 20
T
Target group ........................................7
Technical details ................................. 81
Temperatures................................ 57, 58
Trademark........................................... 3
Trademarks.......................................... 3
Troubleshooting.................................. 73
Turn off for a long period...................... 24
Turn off for a short period.....................24
Turn off the water heater................ 24, 52
92
Turn on the water heater...................... 52
U
Use................................................... 23
Use external enable............................. 61
User part............................................13
V
Venting system................................... 41
W
Warnings............................................79
Warranty............................................88
Water composition...............................37
Water connections............................... 39
Water heater ..................................... 35
Water inlet......................................... 27
Water outlet....................................... 27
Water-side maintenance....................... 68
Working clearances .............................38
Working principle ................................27
Installation, Maintenance and Service part