Vacuum Mode - LG Multi V ARUN053GF2 Installation Manual

Vacuum Mode

Vacuum mode is used for creating a vacuum in the system after the compressor or other Space II unit components have been replaced, or if
an indoor unit has been replaced or added.
Figure 35: Setting the Vacuum Mode.
Main PCB
SW01S
Main PCB
SW02B
Main PCB
Press and hold the black button (SW01V) on the
SW01V
Vacuum Mode Setting: Space unit valves open,
The Space II unit does not operate during vacuum mode; Space II unit compressor will not operate.
Figure 36: Canceling the Vacuum Mode.
Switch the Space unit main PCB DIP
switch (SW02B) to OFF ( Nos.11, 14)
Reset the power to the Space unit.
Vacuum Mode has been cancelled.
refrIGerant PIPInG connectIons
Reset the power to the Space unit.
Switch the Space unit main PCB DIP
switch (SW02B) to ON ( Nos.11, 14)
main PCB for five (5) seconds.
Main EEV, SC EEV open,
Indoor unit EEVs open.
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Vacuum Mode
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