Vacuum process in air conditioner split type

Connect the vacuum pump to the suction service valve of the condenser unit and the vacuum gauge. This interconnection can be made with hoses, since their seals are in perfect condition, or copper tube with greater than or equal to ¼ "diameter;

Make sure that the service valves of the condenser are fully closed;

Open the record of the vacuum pump;

Connecting the vacuum pump and vacuum gauge;
When the system pressure reaches the recommended range (250 and 500 μmHg);

- Close the registry, turn off the pump and check the effectiveness of the vacuum process.