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Siemens Building Technologies / HVAC Products CE1B3131x2-en 74 319 0346 0 a 19.11.2004
Do you want to readjust the time of day or the date?
Time of day/date
All data of the yearly time switch in your controller were
entered when your plant was commissioned.
If readjustments are required, use the Time of day/date
menu.
Summer- and wintertime
The same is true if you need to readjust the dates for the
start of summer- and wintertime.
Note: Do not enter the actual dates of changeover but
the earliest possible dates for the start of summertime
and wintertime in accordance with international stan-
dards!
The Time of day/date menu includes:
• Time of day (e.g. 09:53)
• Date (e.g. 25.07)
• Year (e.g. 2005)
• Summertime start (e.g. 25.03.)
• Wintertime start( e.g. 25.10.)
Path:
Main menu > Time of day/date
The change from wintertime to summertime, and vice versa, is automatic!