Operating Instructions

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Siemens Synco™ living CE1B2740en
Building Technologies Central apartment unit QAX9x3 13.12.2010
Air humidity
Shows the relative air humidity (0..100%) on the sensing element.
Main menu > Ventilation > Ventilation state > Air humidity:
Fireplace mode
Shows if ventilation was switched via external contact to open fireplace opera-
tion (Off, On).
Main menu > Ventilation > Ventilation state > Fireplace mode:
Ventilation contacts
Shows the current state of the two ventilation contacts (Off, On).
Main menu > Ventilation > Ventilation state > Ventilation contact1:
Main menu > Ventilation > Ventilation state > Ventilation contact2:
Service
Service interval
Specify after how many hours (0..99,999) ventilation needs service (e.g.
change air filter). The central apartment unit shows a corresponding message
when the set number of hours is reached.
Setting 0 h means that the service interval and the associated mes-
sage are disabled.
Main menu > Ventilation > Service > Service interval:
Factory setting 0 h
Operating hours since maintenance
Shows the number of ventilation operating hours since last maintenance.
The operating hours must be reset to 0 after service to delete the ser-
vice message "Service ventilation".
The operating hours since service can be set to 0 or any value.
Main menu > Ventilation > Service > O'hrs since service: