User Manual

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Siemens HVAC central apartment unit with consumption data acquisition QAX903 CE1N2741en
Building Technologies 2016-01-30
• Fully graphic backlit display
• Visualization of information with symbols and clear-text output
• Info pages for:
− Outside air temperature curve
− Air pressure curve
− Window
− Apartment
− Ventilation
− Room
− Consumption data
− Business card
− Device status
− Fault status message bus
• Selectable format of quiescent picture
Notes on engineering and operation
• Comply with all local regulations on electrical systems.
• The central apartment unit is designed for surface mounting.
• Mount the QAX903 in a space that is easily accessible (e.g. in the living room or
in the hall). Choose the mounting height above the floor so that the unit is easily
accessible. The QAX903 does not contain its own temperature sensor. The
mounting height has no impact on control performance.
• Observe all permissible ambient conditions.
• Do not expose the QAX903 to dripping water.
For notes relating to engineering and mounting wireless devices for the Siemens
Synco living system, see data sheet N2708en.
Use at least three screws to mount the QAX903 to an apartment's interior wall.
The QAX903 is maintenance-free.
Disposal
The devices are considered electronics devices for disposal in terms of European
Directive 2012/19/EU and may not be disposed of as domestic garbage.
• Dispose of the devices through channels provided for this purpose.
• Comply with all local and currently applicable laws and regulations.
Display
Mounting location
Note
Mounting
Maintenance