Daikin FFA50A2VEB9 Installer And User Reference Manual

12 About the systemInstaller and user reference guide23FFA25~60A2VEB(9)Split system air conditioners4P550955-4 – 2018.08For the user12 About the systemThe indoor unit of this split system air conditioner can be used forheating/cooling applications.NOTICEDo NOT use the system for other purposes. In order toavoid any quality deterioration, do NOT use the unit forcooling precision instruments, food, plants, animals, orworks of art.NOTICEFor future modifications or expansions of your system:A full overview of allowable combinations (for futuresystem extensions) is available in technical engineeringdata and should be consulted. Contact your installer toreceive more information and professional advice.12.1 System layoutabcde ifgha Indoor unitb Outdoor unitc User interfaced Suction aire Discharge airf Refrigerant piping + interconnection cableg Drain pipeh Earth wiringi Suction grille and air filter12.2 User interfaceCAUTION▪ NEVER touch the internal parts of the controller.▪ Do NOT remove the front panel. Some parts inside aredangerous to touch and appliance problems mayhappen. For checking and adjusting the internal parts,contact your dealer.This operation manual will give a non-exhaustive overview of themain functions of the system.For more information about the user interface, see the operationmanual of the installed user interface.13 Before operationWARNINGThis unit contains electrical and hot parts.WARNINGBefore operating the unit, be sure the installation has beencarried out correctly by an installer.CAUTIONIt is not good for your health to expose your body to the airflow for a long time.CAUTIONTo avoid oxygen deficiency, ventilate the room sufficientlyif equipment with burner is used together with the system.CAUTIONDo NOT operate the system when using a roomfumigation-type insecticide. Chemicals could collect in theunit, and endanger the health of people who arehypersensitive to chemicals.NOTICEBe sure to turn on the power 6 hours before operation inorder to have power running to the crankcase heater andto protect the compressor.This operation manual is for the following systems with standardcontrol. Before initiating operation, contact your dealer for theoperation that corresponds to your system type and mark. If yourinstallation has a customised control system, ask your dealer for theoperation that corresponds to your system.Operation modes:▪ Heating and cooling (air to air).▪ Fan only operation (air to air).14 Operation14.1 Operation rangeUse the system in the following temperature and humidity ranges forsafe and effective operation.For combination with R410A outdoor unit, refer to the following table:Outdoor units Cooling HeatingRR71~125 –15~46°C DB —18~37°C DB12~28°C WB—RQ71~125 –5~46°C DB –9~21°C DB–10~15°C WB18~37°C DB12~28°C WB10~27°C DB