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Siemens Graphical User Interface UI400 CE1U2348en
Building Technologies 2014-06-03
2 Engineering use
2.1 Room units QAA74
Ambient conditions Permissible range Comments
Temperature 0 to 50 °C
Relative humidity 0 to 95% Non-condensing
QAA74 room units are suitable for:
l Wall mounting, with wiring outlet under the surface.
l Wall mounting, with wiring installed on the wall surface.
Please observe the following when selecting the installation location:
l Position the room unit so that it is not exposed to direct sunlight.
l Position the room unit in a manner that does not expose it to other heat
sources or sources of cold.
l Position the room unit in an ergonomic manner. Select the appropriate
installation height (e.g. 150 cm about the floor).
l When installing, do not cover the inlet opening for the sensors integrated in the
units.
l Ensure that objects in the facility (drapes, door, etc. do not hinder the air flow
measured by the integrated sensors.
Climatic ambient
conditions
Installation mode
Installation location
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