LG Sirius 18000btu Air Conditioner Setup Incomplete, Customer Service Abysmal

I bought LG Sirius 18000btu air conditioner. Service setup is incomplete. They did not perform the "vacuuming" process written in the user manual. She said we did something called "sweeping" instead. As it is written in the user manual, vacuuming is essential for the performance and life of the devi...







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