Vacuum Mode - LG Multi V S Installation Manual

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT
48

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
CAUTION
!
ODU operation stops during vacuum mode. Compressor can't operate.
DIP switch off and push the reset button on PCB
DIP-SWITCH 7 - Segment
(U3 / U7)
DIP SWITCH
7-Segment
(U4)
SW04C ( : cancel)
SW03C ( : forward)
SW02C ( : backward)
SW01C ( : confirm)
SW01D (reset)
SW03C ( : forward)
SW04C ( : cancel)
SW01D (reset)
SW02C ( : backward)
SW01C ( : confirm)