LG ARWB80LA2 - Page 71

ENGLISH
Installation Manual 71
Electrical Wiring
Group Number setting
Group Number setting for Indoor Units
Confirm the power of whole system(Indoor Unit, Outside Unit) is OFF, otherwise turn off.
The transmission lines connected to INTERNET terminal should be connected to central control of Outside
unti with care for their polarity( A → A, B → B )
Turn the whole system on.
Set the group and Indoor Unit number with a wired remote control.
To control several sets of Indoor Units into a group, set the group ID from 0 to F for this purpose.
Terminal block on the main PCB
SODU IDU INTERNET DRY1 DRY2
B
A
B(D) A(C)
GND 12V
B
A
BA
Group recognizing the simple central controller
No.0 group (00~0F)
No.1 group (10~1F)
No.2 group (20~2F)
No.3 group (30~3F)
No.4 group (40~4F)
No.5 group (50~5F)
No.6 group (60~6F)
No.7 group (70~7F)
No.8 group (80~8F)
No.9 group (90~9F)
No. A group (A0~AF)
No. B group (B0~BF)
No. C group (C0~CF)
No. D group (D0~DF)
No. E group (E0~EF)
No. F group (F0~FF)
Outside Units