Table of ContentsInstallation manual4FDXM25~60F3V1B(9)Split system air conditioners4P472267-1B – 2018.07Table of Contents1 About the documentation 41.1 About this document.................................................................. 42 About the box 42.1 Indoor unit ................................................................................. 42.1.1 To remove the accessories from the indoor unit......... 43 About the units and options 53.1 System layout............................................................................ 54 Preparation 54.1 Preparing the installation site .................................................... 54.1.1 Installation site requirements of the indoor unit .......... 55 Installation 55.1 Mounting the indoor unit............................................................ 55.1.1 Guidelines when installing the indoor unit................... 55.1.2 Guidelines when installing the ducting........................ 65.1.3 Guidelines when installing the drain piping................. 75.2 Connecting the refrigerant piping .............................................. 85.2.1 To connect the refrigerant piping to the indoor unit .... 85.2.2 To check for leaks....................................................... 85.3 Connecting the electrical wiring................................................. 85.3.1 To connect the electrical wiring on the indoor unit...... 85.3.2 Specifications of standard wiring components............ 96 Commissioning 96.1 Checklist before commissioning................................................ 96.2 To perform a test run................................................................. 96.3 Error codes when performing a test run .................................... 107 Disposal 108 Technical data 108.1 Wiring diagram .......................................................................... 111 About the documentation1.1 About this documentINFORMATIONMake sure that the user has the printed documentation andask him/her to keep it for future reference.Target audienceAuthorised installersINFORMATIONThis 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 installing▪ Format: Paper (in the box of the indoor unit)▪ Indoor unit installation manual:▪ Installation instructions▪ Format: Paper (in the box of the indoor unit)▪ Installer reference guide:▪ Preparation of the installation, good practices, reference data,…▪ 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 dealer.The original documentation is written in English. All other languagesare translations.Technical engineering data▪ A subset of the latest technical data is available on the regionalDaikin website (publicly accessible).▪ The full set of latest technical data is available on the Daikinextranet (authentication required).2 About the box2.1 Indoor unitWARNING: FLAMMABLE MATERIALThe R32 refrigerant (if applicable) in this unit is mildlyflammable. Refer to the outdoor unit specifications for thetype of refrigerant to be used.2.1.1 To remove the accessories from theindoor unit24×8×1× 1× 2×1×1×1× 2× 1×edba 1×c f gh i j k l6×m4×n1×a Installation manualb Operation manualc General safety precautionsd Washers for hanger brackete Screws for duct flangesf Metal clampg Sealing pads: small and largeh Drain hosei Sealing materialj Insulation piece: Small (liquid pipe)k Insulation piece: Large (gas pipe)l Tie wrapsm Washer fixing platen Air filter