How do I replace or clean the air filter?
To clean the air filter, shut down the machine and cut off power for more than 5 minutes. Remove the filter screen by taking out its opposite direction from the unit. Clean it with soapy water and allow it to air dry completely before reinstalling. If you find dust accumulation, clean the filter promptly to maintain efficiency (Page 32).
From the official Confortotal 12k manual, page 32
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