Figure: Room operator unit QMX3.P74
Function
The room operator unit QMX3.P34 is used in rooms with the following aim:
- Acquiring the room humidity
- Acquiring the room temperature
- Acquiring the room air quality
- Operating 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 enabled or disabled through configuration. Up to 8 capacitive operating buttons are used to operate the room. These buttons are assigned to fixed functions.
The leaf symbol of the Green Leaf function indicates if the room is operated efficiently.
Display and arrangement of the buttons
An LCD display and capacitive buttons to operate HVAC room functions are located on the top half of the device. The HVAC functions are selected and operated on buttons 1 through 8. The Green Leaf (green/red leaf) is located in the upper right-hand corner on button 5.
Figure: Configurable displays on the QMX3.P74 display
Displays
The following displays can be configured:
- Window contact state
- Present measured room temperature or outside temperature
- Present measured room humidity
- Present measured room air quality in ppm or clear text
- 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
Operation
The following operating elements can be configured to be available to the room user:
|
| Green Leaf operation |
Room setpoint. | Room setpoint. | |
Fan stage operation |
| |
Select display | Operation of presence control or temporary Comfort extension |
