Uninstalling a split AC involves several steps, including turning off the power supply, disconnecting the refrigerant lines and electrical connections, and removing the indoor and outdoor units. Here are the general steps for uninstalling a split AC:

1. Turn off the power supply: Make sure the power supply to the split AC is turned off at the main circuit breaker or disconnect switch. This will prevent any electrical shock or damage to the system during the uninstallation process.

2. Disconnect the refrigerant lines: Use a refrigerant recovery machine to remove any remaining refrigerant from the system. Disconnect the refrigerant lines from the indoor and outdoor units, and cap them to prevent any leakage.

3. Disconnect the electrical connections: Disconnect the electrical wires from the indoor and outdoor units, following the manufacturer's instructions and any local codes or regulations. Remove any conduit or insulation covering the wires.

4. Remove the indoor unit: Carefully remove the indoor unit from the mounting plate on the wall, and disconnect any remaining wiring or accessories. Cover the opening in the wall with a patch panel or drywall.

5. Remove the outdoor unit: Disconnect any remaining wiring or accessories from the outdoor unit, and remove the unit from its mounting base. Use a vacuum pump to remove any remaining moisture from the refrigerant lines.

6. Clean up the area: Remove any debris or tools from the installation area, and clean up any spilled refrigerant or oil. Dispose of any hazardous materials in accordance with local regulations.

It is important to read and follow the manufacturer's instructions for your specific split AC unit to ensure proper uninstallation and avoid any safety hazards. If you are unsure about any steps in the uninstallation process,  it may be best to hire a professional from Locals4u for assistance.