Coway AP-1511FHE User Manual page 16

CLEANING METHOD
- Always unplug the power cord before cleaning the filter.
- The pre-filter is reusable after removing dust or cleaning it with water.
- If the pre-filter is not cleaned for a long time, the product performance may
Tips
- The HEPA filter are not reusable with cleaning. Never clean them with water.
 Cleaning the pre-filter (every 2 ~ 4 weeks)
1. Open the front cover by pulling out the end part above the
air inlet.
2. Take out the pre-filter by pulling out on the handles.
 To prevent dust from falling off, remove the filter carefully
without exerting a shock.
3. Clean the pre-filter with a vacuum cleaner or with water
depending on the level of contamination.
4. Install the pre-filter after removing the moisture completely.
Fit the front cover back to the product.
 When refitting the pre-filter to the product, fit it in the
hook correctly.
 Be sure to lock tight Pre Filter with the rest of the filters
using the screw.
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deteriorate.