LG multi V ARUB160BT3 Instruction Manual page 58

Electrical Wiring
Control box and connecting position of wiring
- Remove all of the screws at front panel and remove the panel by pulling it forward.
Front Panel
UX2
58 Outdoor Unit
- Connect communication line between main and sub outdoor unit through
the terminal block.
- Connect communication lines between outdoor unit and indoor units
through the terminal block.
- When connecting communication line between outdoor unit and indoor
units with shielded wire, connect the shield ground to the earth screw.
Main PCB
SUB PCB
Transformer(460V only)
Reactor
Fan PCB
Noise filter
Bridge diode
Magnet switch
Inverter PCB
Take care of the phase
sequence of 3-phase 3-wire
power system
UX3
Main PCB
SUB PCB
Transformer(460V only)
Reactor
Fan PCB
Noise filter
Bridge diode
Magnet switch
Inverter PCB
Take care of the phase
sequence of 3-phase 3-wire
power system