QMX3.P70 Siemens Thermostat

Room temperature, humidity, and CO2 sensor, blank front. For use with DXR Series Controllers.

Additional functionalities GAMMA

• Temperature control, adjustable as PWM control and/or modulating control (PID algorithm), for pure heating mode, pure cooling mode, heating and cooling mode
• Operating modes switchable via KNX and/or display: Comfort mode, Pre-Comfort, energy savings and protection mode
• Adjustable commissioning and control parameters for radiated heating, slow and fast, floor heating slow and fast
• Integrated bus coupling unit
• 3 independently adjustable switching values for CO2 concentration and relative air humidity for air quality control
• Actuating variable for 1, 2, or 3-stage fans (humidity and CO2)
• Actuating variable for 1, 2, or 3-point positioning signal (humidity and CO2)
• Setpoint for room temperature and relative humidity and CO2 concentration adjustable via KNX

Technical Specifications

Analog outputs	PL-Link output for use with DXR controllers
Communication	For use with DXR controller only
Measurement accuracy	Temperature: +/-0.36°F @ 77°F, , Humidity: +/-4% RH at 77°F, , Air Quality: +/-30 ppm + 4% of measured value
Measuring range	Temperature: 32 to 122°F, , Humidity: 10 to 95% RH, , Air Quality: 400 to 10000 ppm
Measuring range, temperature	0…50 °C
Operating voltage	Powered over PL-Link bus
Sensing element, temperature	NTC
Voltage supply	KNX bus
Sensing element	Temperature sensor, CO2 sensor, relative humidity sensor
Color	White
Degree of protection	IP30