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Heating Actuators AKH


The MDT Heating Actuator receives KNX / EIB telegrams and controls up to independent electrical outputs. Each channel has its own LED indicator.

  • Installation Type: MDRC
  • Channels: 4-fold, 6-fold, 8-fold
  • Device width: 2SU, 3SU, 4SU

Product features

  • New generation with function extension
  • Each channel controls up to 4 electrothermic valve drives (230 VAC)
  • Free assignment of the outputs to the controller channel
  • Controllable with 1 Bit (switching / PWM) / 1 Byte actuating variable or direct control with temperature value via KNX bus
  • Integrated PI temperature controller (heating and cooling)
  • Comfort-, night- and frost protection, summer- / winter operation
  • 1 Bit +/-, 1 Byte or 2 Byte absolute object to set the given value
  • Setpoint values are stored on bus voltage failure
  • Emergency operation if cyclic actuating variable fails
  • Overload protection with fault message object (230 VAC)
  • Mains voltage failure detection with fault message object (230 VAC)
  • Objects for heating request and cyclic movement of the valves
  • Comprehensive scene functions
  • Compatible with many visualizations
  • Minimum flow temperature
  • Diagnostics for each channel with 14 Byte plain text object
  • Quick application download (long frame support with ETS 5 or higher)
  • Production in Germany, certified according to ISO 9001
  • 3 year warranty

Available Variants of this series:


  • Channels: 4-fold
  • Device width: 2SU


  • Channels: 6-fold
  • Device width: 3SU


  • Channels: 8-fold
  • Device width: 4SU


Productdatabase ETS5/6
from ETS5.7x
V3.2 knxprod
Device Configuration App (DCA) ETS5/6
From ETS5.7.x
V5.1.0.0 etsapp
Functional overview pdf
Datasheet pdf
Assembly and operational instructions pdf
Technical manual pdf
CAD-drawing zip
Tender textsLink

Productdatabase ETS5/6
from ETS5.7x

Version: V3.2
Download: knxprod


Device Configuration App (DCA) ETS5/6
From ETS5.7.x

Version: V5.1.0.0
Download: etsapp

Functional overview
Download: pdf

Download: pdf

Assembly and operational instructions
Download: pdf

Technical manual
Download: pdf

Download: zip

Tender texts
Download: Link

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