EN
11
-EN
Air Conditioning Control System (Touch Screen Controller)
Installation Manual
3-3. Power, Signal, and Earth Line Connections
Connect the power, signal and earth lines to the specified terminal blocks.
REQUIREMENT
Attach round crimp terminals to all TCC-LINK 1, TCC-LINK 2, and RS-485 wiring, and tighten the screws securely. After
tightening, check that the wiring cannot come out.
COM
DI 4
COM
DI 3
COM
DI 2
COM
DI 1
TCC-LINK1
INPUT
TCC-LINK2
RS-485
U1
U2
U1
U2
FG
B
A
COM
DI 8
COM
DI 7
COM
DI 6
COM
DI 5
INPUT
COM
DO4
COM
DO3
COM
DO2
COM
DO1
OUTPUT
Attach the AC adapter and
tighten securely until the screw
type fastener is fully fixed.Be
sure to connect the main unit and
the AC adapter before supplying
power to the AC adapter.
Outdoor unit
Indoor unit
Remote controller
TCC-LINKSignal
line 1
Outdoor unit
Indoor unit
Remote controller
TCC-LINKSignal line 2
RS-485 signal line
TCC-LINK 1 and TCC-
LINK 2 do not have
polarity.
The RS-485 cable has polarity
(A, B). It will not work correctly if
it is connected with incorrect
polarity.
Connect the
shielded wire of the
RS-485 signal line
to the FG terminal
block.
Connection with
power meter
interface/digital
I/O interface
(sold separately)
Power connector
(DC 12 V)
Connect the shield of the TCC-
LINK communication line to the
earth on the air conditioner side.
Leave the shield open (and
insulate it). Do not connect it to the
terminal block.
LAN cable
Functional earth
Connect the functional ground terminal
to the ground near the air conditioning
control system.
For DI1 to DI8, DO1 to DO4, and each COM, use a flat head precision screwdriver
to loosen the screws and open the insertion opening. After inserting the wiring,
securely tighten the screws with a precision screwdriver so that the wiring cannot
come out. After tightening, check that the wiring cannot come out.
USB port x2
LAN port
Client
