Switch Actuators AKK series compact, fan coil

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The MDT Switch Actuator AKK receives KNX/EIB telegrams and switches up to 3 independent electrical loads (AKK-04FC-02 4 loads).
Each output uses a monostable relay and is individually agjustable via ETS. In aoperation mode as fan coil actuator a 3 step ventilators is controlled.

  • Production in Germany, certified according to ISO 9001
Fan coil mode:
  • Control of 3-speed fans/ventilator convectors (AKK-04FC-02: 4-speed fans/ventilator convectors)
  • Outputs are locked against each other
  • Direct operation by three 1Bit objects or a single 1Bit object (+/-)
  • Automatic operation by 1Byte control value (0-100%)
  • Suitable for 2-pipe systems and 4-pipe systems
  • Output objects to control valves for heating/cooling
  • Day/Night function to limit fan speed at night
  • Emergency operation if actuating variable fails
Switch Actuator mode:
  • NO and NC contact operation
  • Time functions (switch-on/switch-off delay)
  • Staircase light function with adjustable warning time
  • Status response (active/passive) for each channel
  • Logical linking of binary data, 8 scenes per channel
  • Central switching functions and block functions
  • Adjustable behaviour in case of bus voltage return
  • Quick application download (long frame support for ETS5)


ETS product data


Assembly and operation instructions

Technical manual