Can installation and repair of the LB-H0850QC be done by the customer?
No, installation, removal, and reinstallation must not be done by the customer, as improper installation can cause water leakage, electrical shock, or fire. Repair or relocation should also not be performed by the customer; an authorized service technician must be contacted for all such work.
From the official LG LB-H0850QC Air Conditioner manual, page 4
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