2 About the documentationUser reference guide3ATXM20~50N2V1BDaikin room air conditioner4P518786-2C – 2018.09WARNINGIndicates a situation that could result in death or seriousinjury.WARNING: FLAMMABLE MATERIALCAUTIONIndicates a situation that could result in minor or moderateinjury.NOTICEIndicates a situation that could result in equipment orproperty damage.INFORMATIONIndicates useful tips or additional information.Symbol ExplanationBefore installation, read the installation andoperation manual, and the wiring instruction sheet.Before performing maintenance and service tasks,read the service manual.For more information, see the installer and userreference guide.1.2 For the user▪ If you are NOT sure how to operate the unit, contact your installer.▪ This appliance can be used by children aged from 8 years andabove and persons with reduced physical, sensory or mentalcapabilities or lack of experience and knowledge if they have beengiven supervision or instruction concerning use of the appliance ina safe way and understand the hazards involved. Children shallNOT play with the appliance. Cleaning and user maintenanceshall NOT be made by children without supervision.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.NOTICE▪ Do NOT place any objects or equipment on top of theunit.▪ Do NOT sit, climb or stand on the unit.▪ Units are marked with the following symbol:This means that electrical and electronic products may NOT bemixed with unsorted household waste. Do NOT try to dismantlethe system yourself: the dismantling of the system, treatment ofthe refrigerant, of oil and of other parts must be done by anauthorized installer and must comply with applicable legislation.Units must be treated at a specialized treatment facility for reuse,recycling and recovery. By ensuring this product is disposed ofcorrectly, you will help to prevent potential negative consequencesfor the environment and human health. For more information,contact your installer or local authority.▪ Batteries are marked with the following symbol:This means that the batteries may NOT be mixed with unsortedhousehold waste. If a chemical symbol is printed beneath thesymbol, this chemical symbol means that the battery contains aheavy metal above a certain concentration.Possible chemical symbols are: Pb: lead (>0.004%).Waste batteries must be treated at a specialized treatment facilityfor reuse. By ensuring waste batteries are disposed of correctly,you will help to prevent potential negative consequences for theenvironment and human health.2 About the documentation2.1 About this documentThank you for purchasing this product. Please:▪ Keep the documentation for future reference.Target audienceEnd usersINFORMATIONThis appliance is intended to be used by expert or trainedusers in shops, in light industry, and on farms, or forcommercial and household use by lay persons.Documentation setThis document is part of a documentation set. The complete setconsists of:▪ General safety precautions:▪ Safety instructions that you must read before operating yoursystem▪ Format: Paper (in the box of the indoor unit)▪ Operation manual:▪ Quick guide for basic usage▪ Format: Paper (in the box of the indoor unit)▪ User reference guide:▪ Detailed step-by-step instructions and background informationfor basic and advanced usage▪ Format: Digital files on http://www.daikineurope.com/support-and-manuals/product-information/Latest revisions of the supplied documentation may be available onthe regional Daikin website or via your installer.The original documentation is written in English. All other languagesare translations.2.2 User reference guide at a glanceChapter DescriptionGeneral safety precautions Safety instructions that you MUSTread before operationAbout the documentation What documentation exists for theuserAbout the system ▪ Operation range▪ Description of indoor unit and userinterfaceBefore operation What to do before starting operationOperation How and when to use certain features