LG ARNU 4 Series - Wiring Connection

INSTALLATION
19
ENGLISH
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.
※Resistance measurement position for incorrect wiring.
Terminal block of indoor unit
Terminal block of outdoor unit
L(L1) N(L2) 3(A) 4(B)
Indoor power input
SJ/SK
IDU IDU
Outdoor unit
Indoor unit
Central controller
ODU ODU
DRY1
DRY2
GND
INTERNET
12V
CAUTION
The Power cord connected to the unit should be selected according to the following
specifications.
!
CAUTION
The connecting cable connected to the indoor and outdoor unit
should be complied with the following specifications (This
equipment shall be provided with a cable set complying with the
national regulation).
If the supply cable is damaged, it must be replaced by a special
cable or assembly available from the manufacturer of its service
agent.
!
WARNING
!
Make sure that the screws of the terminal are free from looseness.
NORMAL
CROSS-SECTIONAL
AREA 0.75 mm
2
20 mm
35±5 mm
GN/YL
10±3 mm
1,MFL69485426,영영 2018. 1. 19. 영영 1:17 Page 19