Vacuum Mode - LG MULTI V S ARUN038GSS4 Installation Manual

REFRIGERANT PIPING CONNECTIONS

Vacuum Mode

Vacuum Mode
Vacuum mode is used for creating vacuum in the system after the compressor or other outdoor unit parts have been replaced, or if an indoor
unit has been added to or replaced.
Turn No. 5 on Outdoor Unit DIP Switch to ON.
Choose "SVC" by pushing the
Choose "Se3" by pushing the
Start the vacuum mode "VACC". Outdoor Unit
valves and EEV should be open. Indoor Units
EEVs should be open.
Set DIP Switch No. 5 to Off, and push the reset
button on the Outdoor Unit PCB.
38
button.
button.
Due to our policy of continuous product innovation, some specifications may change without notification.
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Figure 39:
PCB Location.
ON
OFF
• All valves in the indoor and outdoor units will be opened when the
Vacuum Mode is set.
• Outdoor unit operation mode stops during Vacuum Mode; compres-
sor can't operate.
• After moving and installing the system to another site, recharge the
refrigerant after perfect vacuum. If a different refrigerant or air is
function and damage the unit.
• Always add the appropriate amount of refrigerant when adding an
additional refrigerant charge. Too much or too little refrigerant will
cause system malfunction.
DIP Switch LED
SW04C ( X : Cancel)
SW03C (
SW02C (
SW01C (
SW01D (Reset)
)
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