Run the unit in Cooling mode. Verify that all indoor units are cooling and that the outdoor unit fan works properly. Heating Test: Run the unit in Heating mode. Leak Check: Re-check all flare connections for leaks. 7. Troubleshooting and Maintenance
R32 is classified as an A2L (mildly flammable) refrigerant. Ensure the installation zone is well-ventilated and free from continuous ignition sources (open flames, operating gas appliances, or electrical heaters). samsung aj068txj3kg eu installation manual