User Manual
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Siemens Synco™ living CE1B2740en
Building Technologies Central apartment unit QAX9x3 13.12.2010
Plant operation
The current plant state (Auto / Heating / Cooling) can be queried for each
room:
Main menu > Rooms > Room X > Room state > Plant operation:
Economy increase
The state of the Economy increase (Inactive/Active) can be queried for each
room:
Main menu > Rooms > Room X > Room state > Eco increase:
Setpoint limitation
This operating line indicates if a setpoint limitation is currently active in the
room (Inactive/Active).
Main menu > Rooms > Room X > Room state > Setpoint limitation:
Apartment timer influence
Specify if you want the apartment timer function of the central apartment unit
(see page 32) to act on the selected room.
Main menu > Rooms > Room X > Room settings > Ap timer influence:
No The apartment timer does not act on the room.
Yes The apartment timer acts on the room (factory setting).
Optimum start/stop control
Optimum start/stop control moves up changeover of the operating level
against the programmed times, so that a building's thermal dynamics (heat up
and cooling down times) are considered. This ensures that the required tem-
perature level is reached at exactly the programmed time (e.g. at the end of
the holiday period).
If that is not the case (too early or too late), a new changeover time is calcu-
lated, which is used on the next day.
Optimum start/stop control acts between all operating levels, except when
switching between Precomfort and Comfort: