Wiring Connection - LG MULTI V ARNU07GTUA4 Engineering Product Data Book

Indoor unit
10. Installation
Hanging bolt
(W3/8 or M10)
Nut
(W3/8 or M10)
Spring washer
(M10)
• The following parts are local purchasing.
① Hanging bolt
② Nut
③ Spring washer - M10
④ Plate washer - M10

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.
[Indoor Unit side]
Terminal block of indoor unit
1(L) 2(N)
Indoor power input
Terminal block of indoor unit
1(L) 2(N)
Indoor power input
Terminal block of indoor unit
1(L) 2(N)
Indoor power input
WARNING
Make sure that the screws of the terminal are not loose.
22 _
Ceiling Cassette 1-Way
Keep the length of the bolt
from the bracket to 40mm
Flat washer for M10
(accessory)
Ceiling board
Flat washer for M10
(accessory)
Nut
(W3/8 or M10)
- W 3/8 or M10
- W 3/8 or M10
[Outdoor Unit side]
[Type 1]
SODU B
3 4
[Type 2]
Outdoor unit Indoor unit
SODU
3 4
[Type 3]
12V
3 4
Ceiling
Air conditioner body
Paper model
for installation
Adjust the same height
CAUTION
• Tighten the nut and bolt to prevent the unit
from falling.
IDU B IDU A
SODU A
Terminal block of outdoor unit
Central controller
SODU IDU IDU INTERNET DRY1 DRY2 GND
Terminal block of outdoor unit
Central controller
Indoor unit
GND DRY2 DRY1 CEN CEN IDU IDU
Ceiling board
Set screw of
paper model (4 pieces)
Open the ceiling board
along the outer edge of the
paper model
INT B INT A
12V
Outdoor unit
SODU SODU