LG B30AWYN7G5A Manual page 63

Ceiling Concealed Duct
1. Installation
3) Group Control(Optional Wiring)
It operates maximum 16 Units by only one Wired Remote Controller,
and each Unit starts sequentially to prevent overcurrent.
Wired Remote
Controller
Remote Controller
<Figure 1>
• Be careful not to exchange the color of wires.
• The maximum length of connecting wire should be below 200m(25Ω) on connecting each units.
• Use a wire more than 0.5mm
Indoor Unit 1
Terminal(Local Supply)
Block
Connector
RED(12V) RED(12V)
Main PCB
YL(SIGNAL) YL(SIGNAL) YL(SIGNAL)
#1
BR(GND) BR(GND) BR(GND)
• Set the slide switch in the wired remote contorller as "SLAVE" positon.(Figure1)
• If the main PCB is not directly connected to the wired remote controller, set the
option switch "6" in the mian PCB as "ON" position.(Figure2)
Group Control
S/W GR
1 2
1. Master
2. Slave
2
Main PCB
Indoor Unit 2
Terminal(Local Supply) Terminal(Local Supply)
Block Block
Connector
Main PCB
....
YL(SIGNAL) YL(SIGNAL)
#2
BR(GND) BR(GND)
Connecting Cable(Local Supply)
....
ON
1 2 3 4 5 6
Inverter
Indoor Unit 16
Connector
Main PCB
YL(SIGNAL)
#16
BR(GND)
7 8
_ 11
50Hz/R410A