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KNX CO2 multi-sensor, dark aluminium

KNX CO2 multi-sensor, dark aluminium

Product code: CO2AL2178D
KNX CO2 sensor with integrated BCU, humidity sensor and room temperature controller. Integrated push-button interface 2-gang.
Price (Excluding VAT)


Intended Use

  • Measurement of CO2 concentration, relative air humidity and air temperature
  • Output of the measured values as telegram to the bus, e.g. for controlling fans or window drives via KNX telegrams
  • Single-room temperature control in KNX installations
  • Installation in flush box according to EN 60670-1

Product characteristics

  • Limit value monitoring for CO2 concentration (max. 4 threshold values) and air humidity (max. 2 threshold values)
  • Dew point alarm e.g. for cooling blankets and conservatories, to avoid mould formation
  • Two binary inputs for connection of floating contacts e.g. buttons, switches, window contacts
  • Logic gates for simple gating functions

Technical Details


KNX medium: TP 256
Rated voltage KNX: DC 21 ... 32 V SELV
Current consumption KNX: typical 12.5 mA. max. 25 mA (4 s/15 s as a cycle)
Connection, KNX: terminal
Protection class: III
Ambient temperature: −5 ... +45 °C

Binary inputs
Cable length: max. 5 m
Cable type: J-Y(St)Y 2 x 2 x 0.8 mm

CO2 sensor measuring range: 0 ... 2000 ppm
Humidity sensor measuring range: 10 ... 95 % relative humidity (r. h.)
Temperature sensor measuring range: −5 ... +45 °C



Brand JUNG

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