Changing The Date And Time (If Required) - Viessmann Vitocal 300 Operating Instructions For The System User

Changing the date and time (if required)

Summer/winter time will be automatically changed over.
Press the following keys:
1. B for "System parameters".
2. for "Date and time".
A
Date and time
Tuesday 24.09.02 00:00
current : Summer time CES
new : Summer time CES
< >
+
< >
3. / until the value to be set
is highlighted.
4. / until the required value
+
appears.
5. OK to confirm
or
BACK
if you do not want to
save the holiday
program.
BACK
OK
Further settings
21