Assortment / System Description

Operation in room
Room operator unit QMX3.P34
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12.2 Room operator unit QMX3.P34
Figure: Room operator unit QMX3.P34
The room unit QMX3.P34 is used in rooms
● to acquire the room temperature
● to operate Comfort and HVAC functions
The room operator unit communicates with the DXR2 room automation station
via the KNX PL-Link bus.
A segmented LCD display displays the HVAC states in the room. The various
state displays and associated operations on the room operator unit can be
configured for enable or disable. Up to 8 capacitive operating buttons are used
to operate the room. The buttons are assigned set functions.
In addition, the leaf symbol of the Green Leaf function tells the room user if the
room is operated efficiently.
The top half of the device consists of one LCD display and capacitive buttons to
operate HVAC room functions. The HVAC function selection and operation
occurs on buttons 1 through 8; the Green Leaf (green/red lead) is located in the
upper right-hand corner on button 5.
Figure: Configurable displays on the QMX3.P34 display
The following displays can be configured:
● Window contact state
● Present measured room temperature or outside temperature
● Present measured room humidity (requires a separate humidity sensor in
the room)
● Present measured room air quality in ppm or clear text (requires a separate
air quality sensor in the room)
● State heating/cooling
● Present setpoint for room temperature relative or absolute in °C
● Present fan stage
● Present operating mode for room
● Display of present displayed data (temperature, humidity, or air quality)
● Present presence button state
Function
Display and
arrangement of the
buttons
Displays