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 heating program works correctly, both 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 change from wintertime to summertime, and from summertime to
wintertime, ensure that on the first Sunday after that date the time of day will change
from 02:00 (wintertime) to 03:00 (summertime), and from 03:00 (summertime) to 02:00
(wintertime).
Daylight saving
time/standard time
changeover
6.2
Operator section
Operation and display
Line no.
Operating line
20
Language
German
English
French
Italian
etc.
22
Info
Temporarily
Permanently
26
Operation lock
Off.
On.
27
Programming lock
Off.
On.
28
Direct adjustment
Automatic storage:
Storage with confirmation
Languages
Language sets: Available languages vary depending on country and version.
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 after 2 minutes) .
Info
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 cannot be made with the QAA78…
The following operating elements can no longer be adjusted if operation lock is
activated:
Heating circuit operating mode, DHW operating mode, room Comfort setpoint (setting
knob), and occupancy button.
Operation lock
Parameter values can still be displayed, but can no longer be changed if programming
lock is activated.
Programming lock
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Siemens Switzerland Ltd
User manual RVS61.843, RVS41.813
CE1U2355en_02
HVAC Products
6 The settings in detail
28. September 2009