User Manual

7-7
Siemens Switzerland Ltd www.siemens.com/gamma 2019
Building Technologies Division
Heating, ventilation and air-conditioning – room temperature control
Technical specications
Room temperature controllers with integrated sensing and operation
Room temperature controllers with integrated sensing and operation
Type
UP 237K UP 227 UP 254K UP 204 QMX3.P34 QMX3.P74 QMX3.P02 QMX3.P37
Mounting
Wall mounted n n n n
Flush mounted n¹
)
n¹
)
n²
)
n
Display-/operating elements
Display n n³
)
n n n
Capacitive buttons n n n
Rotary/push-button, Setpoint rotary wheel n n n
LED indicators per button n n
LED indicators central n⁴
)
n n⁴
)
n
Sensors
Temperature n n n n n n n n
Humidity n
Air quality CO
2
n
Bus interface
- Integrated bus coupling unit n n n n n
- Separate bus coupling unit n n n
Power supply
- KNX bus voltage n n n n n n n n
- Additional power supply DC 24 V n
Functionalities
Switching ON/OFF/OVER n n n n
Pushbutton function (bell function) n n
Dimming n n n n
Send Values
- 8 bit/percent n n n n
- 16 bit n n
- Brightness value n n
- Temperature value n n
- Wind speed value n n
- 4 Byte n
display value
- 1 bit n n
- 8 bit/percent/16 bit n
- Brightness value n
- Temperature value n n n n
- Wind speed value n
- Text messages n n
Alarmhandling n n
Forced control n n
Shutter-/blind control n n n n
Call and save scene, 1 bit n n
Call and save scene, 8 bit n n n n
Button deactivation n n n n
Time switch schedules n n
Room temperature controller functionality
Setpoint value setting, absolute n n n n n n n
Setpoint value shifting n n n n n n n
Setting operating modes n n n n n n n
Setting comfort prolongation n n n n n n n
Heating/Cooling n n n n n n n
Two-point control n n n n n n n
Continuous control n n n n n n n
Two-level heating and cooling (sequenz) n n n n n n n
Applications
Radiator n n n n n n n n
Underfloor heating n n n n n n n n
Fancoil n n
Threshold control for humidity n n n n
Threshold control for air quality n n n n
¹
)
Design line i-system
²
)
Design line DELTA style
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