LG ARUN80LN3 Installation Manual page 117

3 Independent power module
The main PCB controls the EEV kit when the power is turn on.
The independent sub PCB controls the EEV kit when the power is turn off.
3 phase
400V
ODU
1 phase
4th
220V
...
" If the power Cut-off, then product need to close EEV."
independent power module (option)
Switch BOX
power
Plug
3rd 2nd
1st
Main
A/C
Switch
Switch
independent power module (option)
Switch BOX
power
Plug
3rd 2nd
1st
Main A/C
Switch Switch
New Function
Concept of independent
power module
Each room
Each room
Installation Manual 117