LG PQRCHCSA, Owners & Installation Manual

Page: 8 / 19

Installation instruction
8 Wired Remote Controller
⑤
Please connect the Terminal blocks of indoor unit’s C/BOX and wired remote controller by referring to the
images and contents shown below.
Connect the yellow(signal) part of the wired remote controller’s terminal block and the ‘YL’ part of the indoor
unit’s terminal block.
Connect the red(12V) part of the wired remote controller’s terminal block and the ‘RD’ part of the indoor
unit’s terminal block.
Connect the black(GND) part of the wired remote controller’s terminal block and the ‘BK’ part of the indoor
unit’s terminal block.
h
In case of loosened screws or insufficient contact between the terminal and the wire, remote controller
may not function properly.
h
When the power is off on the remote controller, check the connection between the remote controller and
Terminal Block.
h
Use an appropriate screwdriver for tightening the terminal screws. A screwdriver with a small head will
strip the head and make proper tightening impossible.
h
Over-tightening the terminal screws may break wires and terminal block structure.
<Remote controller> <Indoor Terminal Block>
• Installation work must be performed in accordance with the national wiring standards and local by
authorized personnel only.
• Installations must comply with the applicable local/national or international standards.
• AWG#22, 3 core shielded is recommended when using the large hole in the center of the back plate.
• AWG#24, 3 core shielded is recommended when using the side or top knock-out of the back plate.
• When installing the wired remote controller, do not bury it in the wall.
(It can cause damage in the temperature sensor.)
CAUTION
Remote controller
PCB Terminal
block Remark
Indoor
Terminal
block
Function
YELLOW YL Signal
RED RD 12V
BLACK BK GND
YELLOW RED BLACK
Signal 12V GND
Remote
controller PCB
Indoor unit
side
YL
RD
BK