Operating Instructions

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Siemens Synco™ living CE1B2740en
Building Technologies Central apartment unit QAX9x3 13.12.2010
Main menu > Ventilation > Operating mode > Stage selection:
Auto Automatic stage selection (factory setting).
Off Ventilation off.
Stage 1 Ventilation constant on stage 1.
Stage 2 Ventilation constant on stage 2.
Stage 3 Ventilation constant on stage 3.
Forced ventilation
Forced ventilation switches the ventilation plant to maximum ventilation re-
gardless of the current ventilation operating mode and the actual values for
room air quality and room humidity.
After the set forced ventilation time expires (see page 57), the ventilation plant
returns to the ventilation stage corresponding to th
e current operating mode.
Forced ventilation can also be triggered by pressing the ventilation
button on the central apartment unit a bit longer.
Main menu > Ventilation > Operating mode > Forced ventilation:
No Do not start forced ventilation.
Yes Start forced ventilation. After forced ventilation is started, "No"
is displayed again.
State
Displays the current ventilation operating mode (Comfort, Precomfort, Econ-
omy, Protection).
Main menu > Ventilation > Operating mode > State:
Reason
Displays the reason for the current ventilation operating mode (state).
Main menu > Ventilation > Operating mode > Cause:
Possible reasons:
• Commissioning
• Absence
• Holidays
• Time switch
• Apartment operating mode
• Operating mode contact
• Apartment timer
• Special day