Gree Air Conditioning System VIR36HP230V1A

Connect gauge manifold and micron gauge

Connect a vacuum pump to the manifold gauge

Open the lower pressure side of the manifold valve assembly and start the vacuum pump

Ensure the high pressure side of the manifold valve assembly is closed

Monitor vacuum until 500 microns or less is achieved

Record evacuation duration in minutes

Ensure the unit is turned off and disconnected from the main power supply.

Avoid using water to wash the unit.

Use a stable standing platform during cleaning.

Open the front panel by pulling upward to about a 60-degree angle.

Remove the filter as indicated in the figure.

Clean the filter using the appropriate method

Reinstall the filter and close the panel cover tightly.

Add water to the indoor unit drain pan

Verify if the water drains easily out of the condensate drain hose

If water does not drain easily, take corrective actions

Connect the charging hose of the manifold valve to charge the end of the low-pressure valve.

Add dry nitrogen to a pressure of 200 lbs.

Tightly close both high- and low-pressure valves.

Leak-test flare fittings with soap bubbles.

Ensure the air conditioning system is turned off

Verify that the outdoor unit is accessible

Enter the total length of the piping in feet

Is the piping length greater than 25 feet?

Calculate Additional Refrigerant

Select the model of the air conditioning system

Enter the additional piping length beyond 25 feet