Brochure
Heating, ventilation and air conditioning - room temperature control
Room temperature controllers with integrated sensing and operation
Flush-mounted
222
Siemens Switzerland Ltd www.siemens.com/gamma 2021
Smart Infrastructure
7
Room Control Unit, i-system
Multifunctional display-/control panel for KNX with Dot-Matrix LCD display 96 x 128 pixels
8 capacitive touch buttons for horizontal operation
For the display and control of at least 10 adjustable room control functions: Switching toggle/On/Off,
Dimming, Door bell function On/Off, Solar protection control; send 1 Byte/2 Byte value; display 1 Bit/1
Byte/2 Byte value; Forced control; display text messages; warning and alarm messaging; recall and
save scenes; warning and alarm messaging
Room control functions lockable via KNX-bus
Green/red LED as orientation light, as status indication, as a response to pressing a button respectively
to the signalling of alarm reports
A signaler for acoustical alarm reports respectively as a status of the touch operation
Integrated room temperature sensor
Evaluation and weighting of an external inside temperature sensor
Room temperature control configurable as two-step control and/or continuous control, for exclusive
heating operation, exclusive cooling operation or heating and cooling operation
Selectable operating modes over the KNX: Comfort, Pre-comfort, Energy-savings and protection
Local indication
Of the active operating modes or automatic- respectively manual mode
Inside temperature or outside temperature
Heating or cooling mode
Dew point alarm
Open window
Local switching between
Manual- and automatic mode
Comfort, pre-comfort, energy-saving- and protection mode
Adjustable time-limited extension of the comfort mode
Adjustable room temperature setpoint shifting for comfort mode
Via KNX set basic setpoint value of the room temperature for comfort mode
An outside temperature based temperature setpoint value tracing in the cooling operation
Adjustable dead zone between the heating setpoint value and the cooling setpoint value for comfort
mode
Transmission of controller output(s) either as On/Off switching commands or as control commands in
the range 0...100 %
Local display of the manually selected fan rotational speed respectively of the automatic adjustment of
the fan rotational speed
Adjustable fan rotational speed respectively automatic adjustment of the fan rotational speed on the
controller
Weekly schedule programme for controller- operating modes, automatic mode and at the least 8 room
control functions
At the least 40 schedule tasks and Display and set of the date and time
User control of LCD background lighting and Background color
Display system settings and room temperature controller in the languages: German, English, French,
Italian od Spanish
User setting of at least 3 operating languages also Integrated bus coupling unit, bus connection via
bus terminal possible
Flush mounted device for the mounting in an flush wall box Ø 60 mm, for fixing on the mounting
plate AQR2500NF via lateral springs (separately specified)
The matching design frame must be ordered separately. See chapter Display and Operation Units -
Pushbuttons accessories.
The mounting plate AQR2500.. must be ordered separately.
Data sheet
A6V10416250
Dimensions (W x H x D)
55 x 55 x 37,2 mm
UP 227
Stock no.
Product no.
5WG1227-2AB11
UP 227