General system information
Device overview:
(A) System button (pairing button and
LED)
(B) cover
(C) PE (protective conductor) connect-
ing terminals
(D) connecting terminal for L (phase
conductor)
(E) connecting cable for N (neutral
conductor)
(F) connecting terminal 4 (e.g. for con-
necting a boiler)
(G) connecting terminal 5 (changeable
terminal e.g. for connecting circu-
lating pumps)
(H) LEDs for connection display
(I) connecting terminal IN1/IN2 (heat-
ing, cooling or eco operation, tem-
perature or humidity limiter)
(J) Connecting terminals for AOUT
(0 - 10 V output, e.g. for ventilation
control, function available in con-
nection with a Central Control Unit
CCU3)
Figure 1
5 General system information
This device is part of the Homematic IP
Smart Home system and commu-
nicates via the Homematic IP wire-
less protocol. All devices in the
Homematic IP system can be con-
figured easily and individually with a
smartphone using the Homematic IP
app. The available functions provid-
ed by the system in combination with
other components are described in the
Homematic IP User Guide. All current
technical documents and updates can
be found at www.homematic-ip.com.
6 Installation
You can flexibly mount the Multi IO
Box on walls using the supplied screws
and plugs.
Alternatively, you can mount the
Multi IO Box with the
Homematic IP DIN-Rail Adapter
HmIP-DRA (available as an op-
tion). For further information,
please refer to the user manual of
the DIN-rail adapter.
For mounting the Multi IO Box using
screws, please proceed as follows:
• Please select a suitable mounting
location close to your heating sys-
tem.
Make sure that no electricity or
similar lines run in the wall at this
location!
22