E-26Periodical ChecksType Description Monthly Every 4 months Once a yearIndoor unitClean the air filter (1)Clean the condensate drain pan (2) Thoroughly clean the heat exchanger (2) Clean the condensate drain pipe (2) Replace the remote control batteries Outdoor unitClean the heat exchanger on the outsideof the unit (2) Clean the heat exchanger on the insideof the unit (2) Clean the electric components with jetsof air (2) Verify that all the electric componentsare firmly tightened (2) Clean the fan (2) Verify that all the fan assembly is firmlytightened (2) Clean the condensate drain pan (2) The checks and maintenance operations described are essential to guarantee the efficiency of the air conditioner.The frequency of these operations varies according to the characteristics of the area, the amount of dust, etc.(1) The described operations should be performed more frequently if the area of installation is very dusty.(2) These operations must always be performed by qualified personnel. For more detailed information, see theInstallation Manual.