LG MULTI V PLUS LRUV Series Installation Manual page 54

Electrical Wiring
Control box and connecting position of wiring
- Remove all of the screws on front panel by pulling it forward.
Front Panel
WARNING
The temperature sensor for outdoor air should not be exposed to direct sunlight.
- Provide an appropriate cover to intercept direct sunlight.
Cover
Capacitor
Interter
Board
Heatsink
(Inverter Comp
Driver)
Control board for inverter fan
54 Outdoor Unit
Main unit
Reactor
Magnetic contactor
(Inverter Comp.)
Fuse
Noise Filter
Transformer
- Connect Main Outdoor Unit with Sub Outdoor Units,
and Main Outdoor with Indoor Units through the ter-
minal block for transmission lines.
- When making an indoor/outdoor connection with
shielded wiring, connect the shield ground to the
earth screw. When making a central control system
connection with shielded wiring, use the terminal
block for central control.
Main PCB
Capacitor
Connect the ground line of
distribution panel here.
Take care of the phase sequence of
3-phase 4-wire power system.
Sub unit
Sub PCB
Magnetic contactor
Transformer
Ground Terminal
for Transmission
Line Shield