LG MULTI V ARUN100LSH0 Installation Manual page 57

Example) Connection of transmission wire
[BUS type]
- Connection of communication cable must be
installed like below figure between indoor
unit to outdoor unit.
Example) Connection of power and communication cable
(U3)
Main power
Terminal block
Insulation sleeves
attachments
Power/
Ground cable
Power cable
[STAR type]
- Abnormal operation can be caused by
communication defect, when connection of
communication cable is installed like below
figure(STAR type).
Main power
Terminal block
Insulation
Ground wire
sleeves
attachments
Power/
Ground cable
ODU-IDU
Communication
cable
Hold power
cable
Power/
Ground cable
Over 50 mm gap
Communication
cable
ELECTRICAL WIRING
Ground wire
Communication
Power/
cable
Ground cable
Over
50 mm gap
57
ODU-IDU
Communication
cable