Viessmann Vitotwin 300-W - Changing Codes

86
"Time of day and date"
Function Code Operat-
ing level
Setting options Delivered
condition
"Time" 1 "E" 00:00 to 23:59 –
"Date" 2 "E" 01/01 to 31/12 –
"Year" 3 "E" 2004 to 2099 –
"Start of summertime" 5 "F2" 01/01 to 31/12 25.03
"End of summertime" 6 "F2" 01/01 to 31/12 25.10
"Operator section"
Function Code Operat-
ing level
Setting options Delivered
condition
"Language" 20 "E" ■ "English"
■ "German"
■ "French"
■ "Italian"
■ "Dutch"
■ "Spanish"
■ "Portuguese"
■ "Danish"
■ "Slovakian"
■ "Czech"
"German"
"Operator section info" 22 "F2" ■ "Temporarily"
■ "Permanent-
ly"
"Temporari-
ly"
"Operation lock" 26 "F2" ■ "Off"
■ "On"
"Off"
"Programming lock"
Remove lock:
1. Hold down "ESC" and
"OK" for 3 s simultane-
ously.
2. Return codes 26 or 27 to
"Off".
27 "F2" ■ "Off"
■ "On"
"Off"
Codes
Changing codes
5618 294 GB