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(2) Connect to external equipment (digital I/O signal wire)
Control input
About stripping length
Power supply wire stripping
length
30
70
Attach a round crimp terminal to each
wire of the power supply wire.
Round crimp
Power supply wire
terminal
10
Input common
Not used
All start input
All stop input
Signal wire (TCC-LINK) stripping
length
L
N
About the shield grounding
process
Shield of TCC-LINK communication
line
When using a single Central remote
controller, open the shield of the
TCC-LINK communication line and
perform insulation processing.
When using multiple Central remote
controller, connect the shield of the
TCC-LINK communication line to the
closed end, open the shield at the final
end of the Central remote controller and
perform insulation processing.
Perform TCC-LINK communication line
shield grounding on the air conditioner
side.
—
COM
Output common
COM
Operation
DO2
output
DI3
DO1
Alarm output
DI2
U1
DI1
U2
Digital I/O cable stripping length
15
10
35
About terminator resistor
setting
TCC-LINK terminator resistor setting
Set on the air conditioner side. The
TCC-LINK terminator resistor is not set
in the Central remote controller. Leave
"open".
State output
20
10
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