52/109
Siemens
User Manual
CE1U2357en
Building Technologies
6 The settings in detail
2014-07-30
6 The settings in detail
6.1 Time of day and date
The controller has a yearly clock with time of day, weekday and date. To ensure that
the controller works properly, both the time of day and date must be correctly set.
Line no.
Operating line
1
Hours/minutes
2
Day/month
3
Year
5
Start of summertime
6
End of summertime
The dates set for the changeover from wintertime to summertime, and vice versa,
ensure that on the first Sunday after the set date the time of day will change from 02:00
(wintertime) to 03:00 (summertime), and from 03:00 (summertime) to 02:00
(wintertime).
6.2 Operator section
Operation and display
Line no.
Operating line
20
Language
22
Info
Temporarily
Permanently
26
Operation lock
27
Programming lock
40
Used as
Room unit 1
Room unit 2
Operator unit
Service unit
Temporarily: After pressing the Info button, a change to the “predefined“ basic display
is made after a maximum of 8 minutes or by pressing the operating
mode button (with the QAA78… only 2 minutes) .
Continuously: After pressing the Info button, a change back to the “new“ basic display
is made after a maximum of 8 minutes. The info value selected last will
be adopted by the new basic display.
This setting is not possible with the QAA78…
When operation lock is activated, the following operating elements can no longer be
adjusted:
Heating circuit operating mode, DHW operating mode, room Comfort setpoint (setting
knob), and occupancy button.
When programming lock is activated, parameter values can still be displayed, but can
no longer be changed.
·
Temporary deactivation of programming lock.
Within the programming level, the programming lock can temporarily be overridden.
To do this, press the OK and ESC buttons simultaneously for 3 seconds. Temporary
deactivation of the programming lock is maintained until programming is quit
Summer- / wintertime
changeover
Info
Operation lock
Programming lock
