10Cleaning the Grille, Case and Remote ControllerA cloth dampened with cold water may be usedon the indoor unit if it is very dirty. Then wipe itwith a dry cloth.Do not use a chemically treated cloth or duster toclean the unit.Do not use benzine, thinner, polishing powder, orsimilar solvents for cleaning. These may causethe plastic surface to crack or deform.Never use water hotter than 40 C to clean the frontpanel, it could cause deformation of discoloration.CAUTIONSCARE AND MAINTENANCECare and maintenanceTurn the system off before cleaning. To clean, wipewith a soft, dry cloth. Do not use bleach or abrasives.NOTE: Supply power must be disconnectd beforecleaning the indoor unit.Filter HandleA clogged air filter reduces the cooling efficiency ofthis unit. Please clean the filter once every 2 weeks.1. Lift the indoor unit front panel up to an angle untilit stops with a clicking sound.2. Take hold of the handle of the air filter and lift itup slightly to take it out from the filter holder,then pull it downwards.3. Remove the AIR FILTER from the indoor unit.Clean the AIR FILTER once two weeks.Clean the AIR FILTER with a vacuum cleaneror water, then dry it up in cool place...NOTE: Supply power must be disconnectd beforecleaning the indoor unit.Cleaning the air filter