The operating elements
2
1
5
Plug-in type operator unit
2
1
5
Detached operator unit
Building Technologies / HVAC Products
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3
4
3
4
CE1B3123x2-en
1
Display
2
INFO button
Function 1:
Display of key plant data
Function 2:
Display of entire menu path starting
from the current menu
3
Select-and-push knob OK
Turn:
Selection of operating line and
adjustment of
Press:
Confirmation of operating line or
value
4
ESC button
Going back to the previous menu
5
Fault button
with LED
Display fault
LED lit / flashes:
Acknowledgement of fault or reset
Press:
74 319 0503 0 a
value
3
06.04.2006