LG MULTI V IV PRO JRUN180LLS4 Installation Manual page 59

Example) Connection of transmission wire
[BUS type]
- Connection of communication cable must be
installed like below figure between indoor
unit to outdoor unit.
ELECTRICAL WIRING
[STAR type]
- Abnormal operation can be caused by
communication defect, when connection of
communication cable is installed like below
figure(STAR type).
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