LG MULTI V IV PRO ARUN080LLH4 Installation Manual page 47

Vacuum Mode
This function is used for creating vacuum in the system after compressor replacement, ODU
parts replacement or IDU addition/replacement.
Vacuum mode setting method
Master unit PCB DIP switch on : No.5
Select the mode using '▶', '◀' Button :
"SVC" Push the '●' button
Select the Function using '▶', '◀' Button :
"Se3" Push the '●' button
Start the vacuum mode : "VACC"
ODU V/V open
ODU EEV open
IDU EEV open
Vacuum mode off method
Dip switch off and push the reset button on Master unit PCB
CAUTION
!
ODU operation stops during vacuum mode. Compressor can't operate.
PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT
DIP SWITCH 7-Segment
47
SW04C ( X : cancel)
SW03C ( : forward)
SW02C ( : backward)
SW01C ( : confirm)
SW01D (reset)