User Manual
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Siemens QAX50, QAX51 – Flexible room unit CA2N1648en_05
Building Technologies 2015-12-23
In normal operation, the following may be displayed (depending on the application pa-
rameters) For details refer to the Desigo RXC Applications library, CA2A3810 (V1) or
CA110300 (V2).:
Display element
(examples)
Description
Room temperature in °C (resolution 0.5 °C)
Room temperature in °F (resolution 1.0 °F)
Digital display of setpoint adjustment
(displayed only while relative adjustment is in progress).
Digital display and scale
(displayed only while absolute adjustment is in progress)
Control sequence: Cooling
Control sequence: Heating
Room units with mode and fan-speed selection enabled:
Fan speed 1: ON
In room units allowing mode selection only:
Auto: ON
The configurable control panel can be fitted according to requirements with a variety of
buttons and rocker switches.
The following options are available:
Large button for on/off control of lighting
Standard button for on/off control of lighting
Rocker switch for on/off control of two lighting units
Rocker switch for dimmer control
Rocker switch for control of blinds
OFF button:
Switches all room lighting off
Switches the connected room controller to Pre-comfort or
Economy
Blank plate (no function)
Flexible room units configured with an OFF button incorporate the following additional
function:
If the connected room controller is in Pre-comfort or Economy mode, it will switch to
Comfort as soon as any of the rocker switches or buttons on the room unit are op-
erated.
LCD display
Configurable
control panel
Note