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MAINTENANCE
20
!
CAUTION
• Turn off the power before you perform any maintenance; otherwise it may cause electric
shock.
• Never use water that is hotter than 104 °F (40 °C) when you clean the filters. It may
cause deformation or discoloration.
• Never use volatile substances when you clean the filters. They may damage the surface
of the product.
• Do not wash the 3M Filter with water, because the filter can be damaged.
!
NOTE
• The location and shape of the filters may differ, depending on the model.
• Make sure to clean the heat exchanger coils of the outdoor unit regularly, as dirt collected
in the coils may decrease the operational efficiency or increase energy costs.
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