Press the top of the filter cover to remove the filter cover from the product.
Remove the filter from the product.
You can separate the pre-filter by pulling the handle at the center of the pre-filter.
Clean the filter with vacuum cleaner or soft brush.
If the contamination is severe, wash with water using neutral detergent. (Do not use hot water of 40 \ or higher.)
The cleaning period for pre-filter is 1 month.
Completely dry the filter in shade, reassemble the filter and filter cover to the product.
For the safety, pull out the power plug before cleaning.
Be careful not to damage the Pre-Filter when using a vacuum cleaner.
After washing the Pre-Filter with water, completely dry it in shadow.
Wear gloves when cleaning the Product and removing the filter cover, and be careful not to injure yourself on sharp parts (such as the heat exchanger).
Do not clean the heat exchanger arbitrarily. Doing so may result in injury.