LG PQNUD1S00 Owners & Installation Manual page 10

Internal Wiring Diagram
Internal Wiring Diagram
I Install the product as per the following wiring diagram
CN-POWER
The color and polarity of the communications line can differ
from what's indicated on the PCB depending on the
manufacturer of watt meter. [ Black -> (+), white -> (-) ]
• Turn on the power after connecting the product.
10 Electricity Distribution Indicator
...
Indoor unit
220~240VAC
1P, 50/60Hz
Watt meter
WHITE BLACK
PI-485
PI-485 communications A/B or
MultV/MultiV PLUS A/B
[ A->A / B->B ]
B
Multi V
PDI WHM
A