4 About the units and optionsInstaller reference guide7FDXM25~60F3V1BSplit system air conditioners4P482333-1 – 2017.03Lift the unit by holding on to the hanger brackets without exertingany pressure on other parts, especially on refrigerant piping, drainpiping and other resin parts.3.2.2 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 filter4 About the units and options4.1 Overview: About the units andoptionsThis chapter contains information about:▪ Combining outdoor and indoor units▪ Combining the indoor unit with options4.2 System layoutbcaedfgha Indoor unitb Outdoor unitc User interfaced Suction aire Discharge airf Refrigerant piping + interconnection cableg Drain pipeh Earth wiring4.3 Combining units and options4.3.1 Possible options for the indoor unitMake sure you have the following mandatory options:▪ User interface: Wired or wireless (refer to catalogues andtechnical literature for selecting a suitable user interface)5 Preparation5.1 Overview: PreparationThis chapter describes what you have to do and know before goingon-site.It contains information about:▪ Preparing the installation site▪ Preparing the refrigerant piping▪ Preparing the electrical wiring5.2 Preparing installation site▪ Provide sufficient space around the unit for servicing and aircirculation.▪ Choose the installation location with sufficient place for carryingthe unit in and out of the site.