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Siemens KNX QMX6 Series Manual
Siemens KNX QMX6 Series Manual

Siemens KNX QMX6 Series Manual

Room units and sensors, wall-mount

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KNX
KNX room units and sensors, wall-mount
QMX6.P30, QMX6.P34, QMX6.P40, QMX6.P44, QMX6.P70, QMX6.P74
A6V16053428_en--_a
25.02.2025
The QMX6 product family consists of room units/sensors with KNX communica-
tion that operate in the following ecosystems:
Desigo™ (PL-Link): when commissioned using the Siemens ABT tool
KNX (S-Mode): when commissioned using the KNX Association's ETS tool
Synco (LTE-Mode): when commissioned using the Siemens ACS tool
Functions in all ecosystems:
Sensors for temperature, relative humidity and CO2 (depending on the variant)
Air quality indicator (P70 and P74)
LCD touch display for HVAC and Green Leaf (P34, P44 and P74)
Room operating modes: Auto, comfort, pre-comfort (standby), economy and pro-
tection
Additional functions in KNX ecosystem (S-mode):
Temperature controller for HVAC water applications: Radiators, floor heating, ra-
diant (chilled/heated) ceilings
Relative humidity controller
CO2 controller
Setpoint operation from display: for room temperature, relative humidity and CO2
Manager/subordinate operation for room units
3 calculators
3 comparators
Smart Infrastructure
Building

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Summary of Contents for Siemens KNX QMX6 Series

  • Page 1 The QMX6 product family consists of room units/sensors with KNX communica- tion that operate in the following ecosystems: ● Desigo™ (PL-Link): when commissioned using the Siemens ABT tool ● KNX (S-Mode): when commissioned using the KNX Association’s ETS tool ●...
  • Page 2 Type overview QMX6. QMX6. QMX6. QMX6. QMX6. QMX6. QMX6. QMX6. QMX6. QMX6. QMX6. QMX6. P30-1BSC P34-1BSC P40-1BSC P44-1BSC P70-1BSC P74-1BSC Order S55720- S55720- S55720- S55720- S55720- S55720- number S604 S607 S605 S608 S606 S609 (MLFB) S55720- S55720- S55720- S55720- S55720- S55720- S642 S645...
  • Page 3 Functions in Desigo ecosystem (PL-Link) ● QMX6 room unit/sensor is connected to an automation station and acts a peripheral room device ● QMX6 does not perform control functions ● HVAC applications are defined by the automation station ● QMX6 room unit/sensor is normally combined with automation stations to control the fol- lowing HVAC applications: ●...
  • Page 4: Control Application

    HVAC application Mode Control application 2-pipe water system Heating or cooling 2-point (on/off) control Continuous (0...100%) 2-pipe/2-stage water system Heating or cooling Stage 1 Continuous (0...100%) Stage 2 Continuous (0...100%) 2-pipe water system with Heating or cooling (on same 2-point (on/off) control changeover (changeover is pipes) done via a KNX object)
  • Page 5 Humidity sensors (valid for P40, P44, P70 and P74) and Humidity controller (valid for all variants) The device variants P40, P44, P70 and P74 can measure relative humidity. All device vari- ants have a humidity controller that can be used as a staged controller or steady PI control- ler.
  • Page 6 has to be set using the “source of temperature value” parameter in the “temperature control” parameter card. Smart Infrastructure A6V16053428_en--_a 25.02.2025...
  • Page 7 Functions in Synco ecosystem (LTE-mode) ● QMX6 room unit/sensor is connected to a Synco 700 controller* or RDG2.0KN/RDG2.4KN room thermostat, and acts a peripheral room device ● QMX6 room unit/sensor does not perform control functions ● HVAC applications are defined by the RDG2.0KN/RDG2.4KN room thermostat or Synco 700 controller ●...
  • Page 8 Symbols/buttons Fig. 2: Button page Symbol Description Function Room operating modes Operation Automatic operation Display Comfort mode Display Pre-comfort (standby) mode Display Economy mode Display Protection mode Display Sensor switch Operation Temperature Display Relative humidity Display Display Smart Infrastructure A6V16053428_en--_a 25.02.2025...
  • Page 9 Symbol Description Function Operation and display Decrease setpoint Operation Increase setpoint Operation Heating Display Cooling Display Indicates that the setpoint is Display shown on the display. °C Degrees Celsius Display °F Degrees Fahrenheit Display % r.h. % relative humidity Display Particles per million (CO2) Display Room measurement...
  • Page 10 Symbol Description Function Air quality indicator active - Display bad air quality Air quality indicator active - Display fair air quality Air quality indicator active - Display good air quality Green Leaf display inactive Inactive Green Leaf display active - Operation and display energy-efficient range Green Leaf display active -...
  • Page 11 KNX PL-Link configuration Automatic (plug & play) commissioning If only one QMX6 is connected to an automation station that uses a tool that was configured with the correct QMX6 model. In this case the QMX6 device is automatically assigned to the automation station, and the pair is fully functional.
  • Page 12 3. Press the Programming Mode button [1] to assign the QMX6 to the automation station. The display shows “EnAB”. 4. Press the Connection Test button [2] to check if the assigning was successful. The display shows “donE” or “FAIL”, depending on the result. If it shows “FAIL”, repeat Step 3 again. Factory reset 1.
  • Page 13 Notes Security CAUTION National safety regulations Failure to comply with national safety regulations may result in personal injury and property damage. ● Observe national provisions and comply with the appropriate safety regulations. Disposal The device is considered an electronic device for disposal in accordance with European Directive and may not be disposed of as domestic waste.
  • Page 14 Technical data Power data QMX6. QMX6. QMX6. QMX6. QMX6. QMX6. KNX bus voltage DC 24 V (DC 21...30 V) KNX bus current 7.5 mA at 7.5 mA at 7.5 mA at 10 mA at 15 mA at 15 mA at (max.) DC 24 V DC 24 V...
  • Page 15 (i.e. not be constantly occupied), and be supplied with fresh air (400 ppm) at least once a week, as the sensor's calibration cycle is 180 hours (7.5 days). Smart Infrastructure A6V16053428_en--_a 25.02.2025...
  • Page 16: Operation

    Mechanical data QMX6. QMX6. QMX6. QMX6. QMX6. QMX6. QMX6. QMX6. QMX6. QMX6. QMX6. QMX6. P30-1BSC P34-1BSC P40-1BSC P44-1BSC P70-1BSC P74-1BSC Housing material Plastic Plastic Plastic Plastic Plastic Plastic Dimensions see Di- see Di- see Di- see Di- see Di- see Di- mension mension mension...
  • Page 17 Valid for all variants EMC requirements, device complies with EN 60730-1 EN IEC 63044-5-1 EN IEC 63044-5-2 EN IEC 63044-5-3 CE, UKCA, WEEE, UL916 logo and category Certification logos (93189,CA/US), CSA, ICES, RCM, EAC, Class according to FCC and ICES-03 (Can- Class B ada) Smart Infrastructure...
  • Page 18 Dimension drawing Fig. 4: Dimension drawing Smart Infrastructure A6V16053428_en--_a 25.02.2025...
  • Page 19 Documents related the product, such as operating and installation instructions, application program description, product database, additional software and CE declarations can be downloaded from the following website: http://www.siemens.com/gamma-td Frequently asked questions For frequently asked questions about the product and their solutions, see: https://support.industry.siemens.com/cs/products?dtp=Faq&mfn=ps&lc=en-WW...
  • Page 20 Issued by © Siemens 2024 Siemens Switzerland Ltd Technical specifications and availability subject to change without notice. Smart Infrastructure Global Headquarters Theilerstrasse 1a CH-6300 Zug +41 58 724 2424 www.siemens.com/buildingtechnologies Document ID A6V16053428_en--_a Edition 25.02.2025...