operation manual
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Function and device overview
Observe the installation instructions for
installation in distribution systems (DINVDE0100-
410).
The control voltage of the 0 to 10 V output is
electrically isolated from the mains potential but
is not at safety extra-low voltage (SELV). This
must be observed during cable routing,
installation and connection.
The device may only be operated within
residential buildings.
Using the device for any purpose other than that
described in this operating manual does not fall
within the scope of intended use and shall
invalidate any warranty or liability.
3 Function and device overview
The Homematic IP Multi IO Box is the central control unit
for controlling heating pumps, boilers and circulation
pumps. The device allows comfortable and demand-
based regulation of the room and water temperature
according to your personal needs via smartphone app.
With the Multi IO Box, the heating system can be switched
from heating to cooling and thus oers lowering of the