NOTICEMaintenance MUST be done by an authorized installer orservice agent.We recommend performing maintenance at least once ayear. However, applicable legislation might require shortermaintenance intervals.WARNINGTo prevent electric shock 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.CAUTION• After a long use, check the unit stand and fitting for damage.If damaged, the unit may fall and result in injury.• Do NOT touch the heat exchanger fins. These fins are sharpand could result in cutting injuries.WARNINGBe careful with ladders when working in high places.6-2 To clean the indoor unit and remote controllerNOTICE• Do NOT use petrol, benzine, thinner polishing powder orliquid insecticide. Possible consequence:Discoloration and deformation.• Do NOT use water or air of 40°C or higher.Possible consequence: Discoloration and deformation.• Do NOT use polishing compounds.• Do NOT use a scrubbing brush. Possible consequence:The surface finishing peels off.DANGER: RISK OF ELECTROCUTIONBefore cleaning, be sure to stop the operation, turn the circuitbreaker off or pull out the supply cord. Otherwise, an electricshock and injury may result.1. Clean with a soft cloth. If it is difficult to remove stains, usewater or a neutral detergent.6-3 To clean the front panel1. Clean the front panel with a soft cloth. If it is difficult toremove stains, use water or a neutral detergent.6-4 To open the front panelOpen the front panel using the remote controller.1. Stop operation.2. Hold on the remote controller for at least 2 seconds.Result: The front panel will open.Note: Press and hold again for at least 2 seconds to closethe front panel.3. Turn the power supply off.4. Pull down both locks on the back of the front panel.5. Open the front panel and engage the support with thefixing tab.acb(Side view)a Lock (1 on each side)b Fixing tabc SupportINFORMATIONIf you CANNOT find the remote controller or use anotheroptional controller, put your fingers on both sides of the frontpanel and pull it up slowly.6-5 About the air filtersOperating the unit with dirty filters means that the filter:• CANNOT deodorise the air,• CANNOT clean the air,• poor heating/cooling,• causes odour.17