22 
 
17.    AIR FILTER CLEANING 
 
-  The air filters supplied with the unit are high-efficiency washable and recyclable filters. 
-  To establish, how frequently these should be cleaned, the operating conditions must be taken in to account. 
  
-  REMOVAL OF AIR FILTERS FOR CLEANING: 
Open the return grille without removing the two screws and the central 
clamp from their position. 
 
Remove acrylic-fiber filters, carbon filter and photocatalytic filter for 
cleaning. 
 
 
-  CLEANING OF ACRYLIC-FIBRE STANDARD FILTERS: 
First clean the filter with a vacuum cleaner every month.  Rinse filter under running water, and dry it 
 
Notes:  (1) After cleaning, put the filters back in the correct positions. 
  (2) Before operating the air conditioner, check that air filters are in their places inside unit.