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6
Connection of power cables / earth wires /
communication cables
Connect power cables, communication cables, and earth wires to the specified terminals on the terminal block.
REQUIREMENT
Attach a round pressure terminal to the end of each wire except those for digital input and output.
The power terminals on the central
controller have polarity. Make sure
to connect the cables correctly.
Other wise failure will occur.
Power Supply Unit
1
2
3
4
central
controller
power cable
Power supply
220-240V AC
Power
cable
Fix the cable
securely with the
clamp.
TCC-LINK U1 and U2
have no polarity.
The TCC-LINK
communication cable
must be earthed on the
air conditioner. Do not
connect the shield wire
to the terminal block. It
should be open and
insulated.
Connect the earth wire securely to
the earth terminal on the unit.
The RS-485 signal wire has
polarity A and B. Be careful
when system
interconnection wire.
TCC-LINK1
TCC-LINK2
U1
U2
FG
U1
U2
FG
TCC-LINK communication
TCC-LINK
cable 2
communication
cable 1
Outdoor
Unit
Outdoor
Unit
Indoor
Unit
Indoor Unit
Remote
controller
Remote
controller
Functional
earth
15
RS-485
A
B
Connect the shield
wire of the RS-485
communication
cable to the FG
terminal.
RS-485
communication
Connect to the
cable
Energy Monitoring
relay Interface and
Digital Input / Output
relay Interface
Schedule timer
(sold separately)
LAN cable
Clamp filter
Connect the functional earth terminal
with the earth near the central controller.
Client PC
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