Field Wiring - LG MULTI V ARWN80LA2 Product Data

5. Field Wiring

5.1 50Hz
Example Connection of Transmission Cable
1 Outside Unit - 3Ø, 380 - 415V
3 phase 4 wires
power supply
50Hz 380 - 415V
Power supply
1 phase 50Hz
220 - 240V
WARNING
• Indoor unit ground lines are required for preventing electrical shock accident in current leakage,
transmission disorder by noise effect and motor current leakage (without connection to pipe).
• Don't install an individual switch or electrical outlet to disconnect each of indoor unit separately from the
power supply.
SODU IDU
B A
The GND terminal is a '–' terminal for the central controller, not ground line
Outside Units
Power supply switch
(switch fuse)
INTERNET DRY1 DRY2 GND
B A
3 4
3 phase 4 wires power line(R, S, T, N)
Transmission line (3 line): wired remote control
Single phase of power supply line(L, N)
Transmission line (2 shield line): between indoor unit and outside unit
12V
Outside unit
3 4 3 4
12
12