1-18SERVICE AND MAINTENANCEOpen the front panel.Hold the panel at the recesses on the main unit(2 recesses on right and left sides) and lift it until itstops.1.•Remove the front panel.While lifting the front panel further, slide it to the rightand pull it to the front side. The left rotating shaft isdetached. Slide the right rotating shaft to the left andpull it to the front side to remove it.2.•Attach the front panel.Align the right and left rotating shafts of the front panelwith the grooves and push them all the way in.Gently close the front panel. (Push both ends and thecenter on the front panel.)3.••Service Parts Maintenance Procedures PeriodIndoor air filter Remove any dust adhering to the filter by using a vacuum cleaner or wash in lukewarmwater (below 40°C/104°F) with a neutral cleaning detergent.Rinse the filter well and dry before placing it back onto the unit.Do not use gasoline, volatile substances or chemicals to clean the filter.1.2.3.At least onceevery 2 weeks.More frequentlyif necessary.Indoor unit Clean any dirt or dust on the grille or panel by wiping it with a soft cloth soaked inlukewarm water (below 40°C/104°F) and a neutral detergent solution.Do not use gasoline, volatile substances or chemicals to clean the indoor unit.1.2.At least onceevery 2 weeks.More frequentlyif necessary.! CAUTION• Avoid direct contact of any coil treatment cleaners on plastic part. This may cause plastic part to deform as a resultof chemical reaction.Step 1Front Panel Opening & Closing SequenceTo open the front panel1) Lift up the two tips of front panel 1 until it stops at the pre-fix position.2) Lift up the two tips of front panel 2 to open it and access to inner parts.To close the front panel, reverse the steps of opening sequence. Slot in the ribs (4 ribs at each side, total 8 ribs), carefully atboth left and right. Then, press the panel forward till it closes tight. Refer to 3Rotating shaftRecess onmain unitStep 2Step 3 Step 3