IntesisBox
®
KNX
– Mitsubishi Electric A.C.
User's manual r2.3 eng
© Intesis Software S.L.U. - All rights reserved
This information is subject to change without notice
IntesisBox
®
is a registered trademark of Intesis Software SLU
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tel
http://www.intesisbox.com
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2. Connection
The interface comes with a cable (1,9 meters long) for direct connection to the internal
control board of the AC indoor unit.
o
Connection of the interface to the AC indoor unit:
Disconnect mains power from the AC unit. Open the front cover of the indoor unit in order
to have access to the internal control board. In the control board locate the socket
connector marked as:
CN92
in Mr. Slim models.
or
CN105
in rest of models.
Using the cable that comes with the interface, insert one of its connectors, the one installed
in the shortest uncovered part, into the socket of the ME-AC-KNX-1i marked as
AC Unit
,
and the other connector, the one in the largest uncovered part, into the socket
CN92
or
CN105
of the AC unit's control board. Fix the ME-AC-KNX-1i inside or outside the AC indoor
unit depending on your needs, remember that ME-AC-KNX-1i must be also connected to the
KNX bus. Close the AC indoor unit's front cover again.
Important
: Do not modify the length of the cable supplied with the interface, it may
affect to the correct operation of the interface
o
Connection of the interface to the KNX bus:
Disconnect power of the KNX bus. Connect the interface to the KNX TP-1 (EIB) bus using
the KNX standard connector (red/grey) of the interface, respect polarity. Reconnect power
of the KNX bus.
o
Connections diagram:
Figure 2.2
Connection diagram
AC indoor unit
Connection cable
supplied with the
interface.
KNX TP-1
(EIB) bus
+
-
P
RO
G
CN92
or
CN105
Internal
control board
AC
U
n
it
In
te
s
is
Bo
x
®
w
w
w
.in
te
s
is
.c
o
m
KNX
ME-AC-KNX-1i
-
+
P
h
y
s
. A
d
d
r.
IN1
IN2
IN3
IN4
COM
Potential-free
binary inputs.
