2.2.1
Terminal location and schematic wiring diagram
To connect the DIII-NET communication line, use F1 and F2 terminals with "DIII" mark.
The two terminals do not have polarity. The following schematic wiring diagram is an
example for when multiple air conditioners are connected.
Make sure that the wires you are connecting to the F1 and F2 terminals are not
power wires. Inadvertently connecting power wires to these terminals results in
a failure of the air conditioner or iTM plus adaptor.
<Schematic diagram of wiring between air conditioning equipment>
A
B
C
D
E
F
16
CAUTION
A
B
C
D
F1, F2
F1, F2
F1, F2 P1, P2
A
B
C
D
F1, F2
F1, F2
F1, F2 P1, P2
Outdoor unit
OUT - OUT communication (terminal)
IN - OUT communication (terminal)
Indoor unit
A maximum of 16 indoor units can be connected per remote controller group.
A maximum of 64 remote controller groups (128 indoor units) can be connected for
one DIII-NET. When the power proportional distribution is applied, the maximum num-
ber of indoor units is 64.
Installation Manual 3P291714-4B
DCM601A72 iTM plus adaptor
F1
F2
D
D
F1, F2 P1, P2
F1, F2 P1, P2
E
D
D
F1, F2 P1, P2
F1, F2 P1, P2
F
D
D
F1, F2 P1, P2
F1, F2 P1, P2
D
D
F1, F2 P1, P2
F1, F2 P1, P2
English
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