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KNX CO2 Sensor with humidity and room temperature controller
- Limit value monitoring for CO2 concentration and humidity - Dewpoint alert e.g. for cooling ceilings and winter gardens to prevent possible mould growth. - Two binary inputs for connecting zero-voltage contacts. - Logic gates for easy linking functions.
- Up to four different limits can be set for the CO2-sensor. - Adaptation to current sea level above NN. - Up to two limits can be set for the humidity sensor.
- 5 operating modes: Comfort, standby, night, frost or heat protection, and controller lock-out (e.g. dew-point mode). - Heating/cooling functions: Heating, cooling, heating and cooling, basic and additional heating, basic and additional cooling. - Preset control parameters for common radiators or cooling units. - Controller deactivatable (dewpoint operation) or controller or operation of the controller can be blocked. - Valve protection function (valve is opened cyclically every 24 hours). - Control types: continuous PI control, switching PI control (PWM), and switching 2-point control (on/off).
- Free assignment of the functions switching, dimming, blind and value transmitter to the inputs. - Blocker for blocking individual inputs. - Behaviour can be configured following bus voltage recovery. - Telegram rate limiting. - Switching function: two independent switching objects are available for each existing input and can be enabled individually, command for leading and trailing edge can be set independently (ON, OFF, CHANGE, no reaction). - Dimming function: single-surface and double-surface operation, time between dimming and switching, and dim-step size can be set, telegram repetition and stop telegram transmission possible. - Blind function: command can be set with rising edge (no function, UP, DOWN, SW), operating concept can be parameterised, time between short and long-term operation adjustable, slat adjustment time adjustable. - Value transmitter and light scene auxiliary unit function: edge (push button as NO contact, push button as NC contact, switch) and value with edge can be configured, value adjustment by pressing and holding a button for value transmitters possible, light scene auxiliary unit with/without memory function.
- The CO2-sensor does not have any operating or display elements. - The use of a switch terminal box for connection of the external inputs is recommended. - A separate bus coupler is not required to operate the CO2-sensor.
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