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Central Remote Controller
3
Installation
3-1. Power, Signal, and Ground Connections
Connect the power, signal and ground to the specified terminal blocks.
REQUIREMENT
Attach round crimp terminals to all TU2C-LINK / TCC-LINK wiring and tighten the screws securely.
After tightening, check that the wiring cannot come out.
Connect the power supply wire and the ground wire
(1) Remove 3 cover fixing screws pointed to by arrows and open the cover
(2) Insert cross notches in the rubber bushing in order to pass the power supply cable
(3) Pass the power supply cable through the rubber bushing and the clamp, and connect the power supply wire and
the ground wire to the specified terminal block
(4) Close the cover and secure with 3 cover fixing screws
Cover fixing screw
Cover fixing screw
Power supply cover
Connect the signal wires
Connect the TU2C-LINK / TCC-LINK signal wire (Uh / U3U4) to the terminal block
Securely fix the cable with a clamp.
Fasten the screw to cramp with
torque of 1.0 N•m.
-EN
6
Screws indicated by arrows
Rear side
terminal block
Power terminal
(Remove the transparent
cover at installation and return
it to its original position after
connecting)
Power supply wire
L N
Power 120 V AC
Outdoor unit
Remote controller
0.19"
0.7"
Clamp
−
COM
COM
DO2
DI3
DO1
DI2
U3
DI1
U4
Indoor unit
Installation Manual
Termination resistance (SW1)
Ground wire
Ground terminal
Rubber bushing
TU2C-LINK / TCC-LINK does not
have polarity.
Connect the shield of the central
control wiring to the ground on the
air conditioner side.
Leave the shield open (and insulate
it). Do not connect it to the terminal
block.
Uh line
Central control wiring
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