Siemens Building Technologies CE1B2540en 74 319 0616 0 b 18.07.2008 8/32
The different operating modes
Heating OFF
Automatic heating up and setback according to
the heating program / Heating automatically OFF
during the holiday period entered / Heating
automatically OFF if permitted by the prevailing
outdoor temperature (ECO function)
Continuously REDUCED heating
Continuously NORMAL heating
Frost protection ensured in all operating modes
Remote operation with a room unit is only possible
in AUTO mode.
If the button flashes, the room unit overrides
the controller's heating program.
In AUTO mode, the controller operates fully automati-
cally throughout the year.