LG PREMTB10U Installation & Operation Manual page 56

INSTALLATION METHOD
56
3
Please fix Thermostat upper part into the backplate at-
tached to the surface of the wall, as the picture below,
and then, connect with backplate by pressing lower
part.
- Please make sure to leave no gaps on the top, bottom,
left or right sides between the Thermostat and back-
plate.
- Before assembly with the backplate, arrange the Cable
not to interfere with circuit parts.
Remove Thermostat by inserting a screwdriver into the
lower separating holes and twisting to release the con-
troller from backplate.
- There are two separating holes. Please individually
separate one at a time.
- Please be careful not to damage the inside
components when separating.
4
Please refer to the following directions when connecting the indoor unit and the Thermostat
together.
1) Please connect the cables as shown in the figure below when connecting the plug type
cable from the indoor unit's C/BOX and the housing type of the extension cable.
Signal Yellow
12V Red
GND Black
! CAUTION
• Specification of LG supplied extension cable : AWG#22, 3 core shielded. (Model : PZCWRC1)
• Apply enclosed noncombustible conduit(metal raceway) totally or use FT-6 rated cable or above
level in case of local electric & building code that requires plenum(CMP) cable usage.
2) When connecting Terminal Blocks of the indoor C/BOX and the Thermostat with the exten-
sion cable, refer to the steps below.
① Remove the screw on the cable which is fastened to the Thermostat's Terminal Block by
loosening with a screw driver.
② Remove the housing of the provided 32ft extension cable with a cutting nipper and peel it
as shown in the figure below. (when purchasing the extension cable at the site directly,
please peel it as shown in the figure below.)
0.394 inch(10mm) ± 0.118 inch(3mm)
Please check if the connectors are connected properly.
C/BOX Cable (Plug type)
Extension cable(housing type)
:AWG#24 / : AWG#22
<Connecting order>
Wall Wall
Side Side
<Separating order>
Wall Wall
Side Side
Indoor
Unit side