13 Maintenance and serviceInstallation and operation manual13FDA200+250AXVEBSplit system air conditioners3P580564-1 – 2019.04DANGER: RISK OF ELECTROCUTIONTo clean the air conditioner or air filter, be sure to stopoperation and turn all power supplies off. Otherwise, anelectric shock and injury may result.WARNINGTo prevent electric shocks or fire:▪ Do NOT rinse the unit.▪ Do NOT operate the unit with wet hands.▪ Do NOT place any objects containing water on the unit.CAUTIONAfter a long use, check the unit stand and fitting fordamage. If damaged, the unit may fall and result in injury.CAUTIONDo NOT touch the heat exchanger fins. These fins aresharp and could result in cutting injuries.WARNINGBe careful with ladders when working in high places.13.2 Cleaning the air filter and air outlet13.2.1 To clean the air outletWARNINGDo NOT let the indoor unit get wet. Possibleconsequence: Electric shock or fire.NOTICE▪ Do NOT use gasoline, benzene, thinner polishingpowder or liquid insecticide. Possible consequence:Discoloration and deformation.▪ Do NOT use water or air of 50°C or higher. Possibleconsequence: Discoloration and deformation.Clean with a soft cloth. If it is difficult to remove stains, use water ora neutral detergent.13.2.2 To clean the air filterWhen to clean the air filter:▪ Rule of thumb: Clean every 6 months. If the air in the room isextremely contaminated, increase the cleaning frequency.▪ Depending on the settings, the user interface can display the"Time to clean filter" notification. Clean the air filter when thenotification is displayed.▪ If the dirt becomes impossible to clean, change the air filter.How to clean the air filter:1 Remove the screws on the filter cover using screwdriver.2 Slowly pull out the air filter (composed of 3 equal parts).3 Clean the air filter. Use a vacuum cleaner or wash with water. Ifthe air filter is very dirty, use a soft brush and neutral detergent.4 Dry the air filter in the shadow.5 Re-attach the air filter. Partially re-insert the first part of the airfilter, align the middle part of the air filter with first part and pushthe 2 clips in place to lock the filter parts together. Repeat theprocedure for the last part of the filter.6 Place the filter cover back. Fix the filter cover with screws.7 Turn ON the power.8 To remove warning screens, see the reference guide of theuser interface.13.3 Maintenance before a long stopperiodE.g., at the end of the season.▪ Let the indoor units run in fan only operation for about half a day inorder to dry the interior of the units.▪ Turn off the power. The user interface display disappears. Whenthe main power is turned on, the air conditioner will use somepower, even if it is not operating.▪ Clean the air filter and the casing of the indoor unit (see"13.2 Cleaning the air filter and air outlet" on page 13). Makesure to install cleaned air filters back in the same position.▪ Remove the batteries from the user interface (if applicable).13.4 Maintenance after a long stopperiodE.g., at the beginning of the season.▪ Check and remove everything that might be blocking inlet andoutlet vents of indoor units and outdoor units.▪ Check if the earth is connected properly.