JUNG A2178ORTSMO

KNX object controller in mocha with integrated bus coupler and an integrated button interface. The controller has four inputs without a rotary knob for setpoint adjustment and is tamper-proof from the outside. Full functionality is supported from ETS 3.0d or higher.

Product family: ETS. Physical sensors. Product type: Temperature. Intended use: Individual room temperature control in KNX installations. Installation in a device box with dimensions according to DIN 49073.

Product features: Measurement of room temperature and comparison with set temperature. Setpoint specification by selecting the operating mode. Operating modes: Comfort, standby, night operation, frost/heat protection. Heating and cooling operation: Heating and cooling with basic and additional stages. Operation exclusively via the bus.

The button interface has four inputs or two outputs and two inputs, e.g., for window contacts, buttons, LEDs, etc. Function of the inputs: Switching, dimming, blinds control, light scene secondary control, brightness or temperature value provider. Optional: External temperature sensor can be connected.

KNX medium: TP 256. Nominal voltage KNX: DC 21 to 32 V SELV. KNX current consumption: max. 7.5 mA. KNX connection: terminal block. Ambient temperature: -5 to +45 °C. Storage/transport temperature: -25 to +70 °C. Output current: 0.8 mA.

Input and output cable type: J-Y(St)Y 2 x 2 x 0.8 mm. Cable length: max. 5 m. Cable length for temperature sensor: max. 50 m. Note: If cables with a cross-section of 1.5 mm² are generally used, a switch junction box must be used.