LG MULTI V ARNU07GTUA4 Engineering Product Data Book page 516

Indoor unit
2. Wall Mounted, ART COOL Gallery, ART COOL Mirror
(2) Group Control 2
n Wired remote controllers + Standard Indoor Units
Master
Master
h It is possible to control N indoor units by wired remote controller M units. (M+N≤17 Units)
Set only one indoor unit to Master, set the others to Slave.
Set only one wired remote controller to Master, set the others to Slave.
Other than those, it is same with the Group Control 1.
Slave
Donʼt connect serial 12V line
Display Error Message
Slave
LGAP Network System
or
Slave
Dip Switch & Group Control Setting
GND
Slave
Signal
12 V
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