This is a great reference guide on how to place LG Multi V 5 VRF systems into vacuum mode. It’s important to use this setting during repair work such as pressure testing, system recovery, and triple evacuation. Why Vacuum Mode Matters: Vacuum mode ensures the system is fully open across the condenser, HRU boxes, and indoor units. It forces all solenoids and EEVs to open completely, allowing you to work on the entire refrigerant circuit. Requirements for Successful Activation: \t•\tAll system com