LG MULTI V ARNU12GTRA4

10. Installation
Indoor unit
18 _ Ceiling Cassette 2-way
Indoor Units
Set screw of
paper pattern (4 pieces)
Paper pattern
for installation
False ceiling board
90mm
Adjust the same height
False
ceiling board
Ceiling
Flat washer for M10
(accessory)
Keep the length of the bolt
from the bracket to 40mm
Open the ceiling board
along the outer edge of the
paper pattern
Flat washer for M10
(accessory)
Hanging bolt
(W3/8 or M10)
Nut
(W3/8 or M10)
Nut
(W3/8 or M10)
Air Conditioner body
• The following parts are locally purchased.
① Hanging Bolt - W 3/8 or M10
② Nut - W 3/8 or M10
③ Spring Washer - M10
④ Plate Washer - M10
• Tighten the nut and bolt to prevent the unit
from falling.
CAUTION
SODU B SODU A
IDU B IDU A INT B INT A
Terminal Block Indoor
1(L) 2(N) 3 4
INDOOR POWER INPUT
Terminal Block Indoor
1(L) 2(N) 3 4
Terminal Block Indoor
1(L) 2(N) 3 4
INDOOR POWER INPUT
INDOOR POWER INPUT
A-- ----BAB
GND 12V
DRY2DRY1 INTERNETIDUSODU
[Type 2]
[Type 1]
[Indoor Unit side]
[Outdoor Unit side]
Terminal block of outdoor unit
IDU IDU
Outdoor unit
Indoor unit
Central controller
SODU SODU
DRY2GND12V
DRY1
CEN
CEN
[Type 3]
10.3 Wiring Connection
Connect the wires to the terminals on the control board individually according to the outdoor unit connection.
• Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor unit respectively.
Make sure that the screws of the terminal are not loose.
WARNING