Maintenance10Air filter cleaning: Please clean the air filter every two weeksWhen dirt accumulates in the air filter, air circulation will be blocked, and causes poorcooling. It is advisable to clean the air filter every two weeks for efficient operation.Removal of air filter(1) Loosen the air inlet by pushing " PUSH " atboth edges as shown.(2) Open the air inlet.(3) Hold the handle at lower part of the air filterand draw outward to remove the air filter.1. Gently tap the dirt off the air filter.2. Carefully wash the air filter in warm water(below 40 oC). To obtain better cleaningeffect, soapy water or neutral detergentmay be used.3. Flush the air filter carefully with clean waterafter removing the dirt. Let it dry completely.(1) Put the air filter on.(2) Push the part marked " PUSH " until you hear a click.Air filter cleaningInstallation of filterWashingair filterPUSHAir inlet PUSH(1) Loose the air filter by pushing " PUSH "at both ends of air inlet.(2) Hold the air filter by frame and lift itforward for approx. 5 mm.(3) Pull it out downward .(1) Hold the filter by its frame and push it upward along thegroove under air inlet until it comes to a complete stop.(2) Push the part marked with " PUSH " until you hear a click.For HW-18CI13:For HW-18CE03:For HW-18CI13:For HW-18CE03:WAIT 3 MINUTES BEFORE RESTARTINGVENTILATORMode selectionTemp. settingAuto swingPUSH PUSHWAIT 3 MINUTES BEFORE RESTARTINGVENTILATORMode selectionTemp. settingAuto swing