KNX CO2 sensor,55mm is mainly applied in building control system, connected to the bus via KNX connection terminals and installed together with other devices on the bus to become a system. It’s functionally simple and intuitive to operate. Users can plan according to their own needs to performs these functions in the system. The device is designed based on the European standard 55mm system as any other European KNX manufacturers, support to measure CO2, relative humidity and temperature, which means it can be used as CO2, humidity and temperature controllers that limits operation in common areas. In addition, support to level configuration, which reminds user to ventilate, dehumidify when measurement value arrive to the setting level, and also display or indicate the sensor data and level on the control terminal which is with screen or indication LED. KNX CO2 sensor, 55mm is power via KNX bus, mounted in a standard 80 or 86-box wall mount. The physical address assignment and parameter settings can be used with the engineering tool software ETS (version ETS5.7 or above) with the .knxprod file.

The functions are summarized as followed:

• Alarm function
• Internal temperature, humidity and CO2 sensor
• Relative humidity level output
• CO2 level output
• Humidity controller, support step control
• CO2 controller, support step control and PI control
• Room temperature controller, support heating, cooling control modes, and HVAC modes, with 2-pipes or 4pipes system, Temperature logic and Fan auto. Control 2 external input interfaces, used as dry contact detection (Switch, Scene, String send) or NTC temperature measurement
• Compatible with European 55mm-system push button standard design
• Support the KNX Data Secure