User Manual
7-21
Heating, ventilation and air conditioning - room temperature control
Room temperature controllers with integrated sensing and operation
i-system
Siemens Switzerland Ltd
Building Technologies Division
2019www.siemens.com/gamma
7
Stock No. Product No. DT
5WG1227-2AB11 UP 227 A
UP 227Room Control Unit
• 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 congurable 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 ush wall box Ø 60 mm, for xing on the mounting
plate AQR2500NF via lateral springs (separately specied)
The matching design frame must be ordered separately. See chapter Display and Operation Units - Push-
buttons accessories.
The mounting plate AQR2500.. must be ordered separately.
Number of button pairs 10
Design line DELTA i-system
Color Titanium white
Dimensions (W x H x D) 55 x 55 x 37,2 mm
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