LG ARUN80LN3 Installation Manual page 96

Test Run
Vacuum Mode
This function is used for creating vacuum in the system after compressor replacement, ODU parts replace-
ment or IDU addition/replacement.
Vacuum mode setting method
ODU power reset
Set the DIP S/W ON
Press the black button Main PCB (5 sec.)
Vacuum mode setting
Main EEV, SC EEV OPEN
CAUTION
ODU operation stops during vacuum mode. Compressor can't operate.
96 Outdoor Unit
ODU V/V OPEN
IDU EEV OPEN
DIP Switch Settings
Warning : Please reset Main PCB before starting this function
Vacuum mode cancellation method
Set the DIP S/W OFF
Power reset
Vacuum mode cancellation