LG USNW122BRW3 Owner's Manual page 17

MAINTENANCE
Clean the product regularly to maintain optimal performance and to prevent possible breakdown.
* This may not be provided, depending on the model.
3M Filter (Optional)
* The feature can be changed according a type of model.
Item
Air filter
Indoor unit surface
Outdoor unit
! CAUTION
!
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.
Air filter
Cleaning interval
2 weeks See "Cleaning the air filter."
1 months
Use a soft, dry cloth. Do not use bleach or
Regularly
abrasives.
Use steam to clean the heat exchanger coils
Regularly
and the panel vents (consult with technician).
MAINTENANCE
Cleaning method
17