Gree Split Air Conditioner Owner's Manual page 13

Clean with a soft brush, water and neutral dete-
rgent and then dry it.(Note: Before cleaning the
unit, please take down the displayer box firstly,
then to wash the panel, if the unit has displayer
on the front panel. Never use the water above
113 to wash the panel, or it could cause
deformation or discoloration.)
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