Daikin FXUA50AVEB Installer And User Manual

Also see for FXUA100AVEB: Installation and operation manual

Table of contentsInstaller and user reference guide3FXUA50~100AVEBVRV system air conditioner4P673843-1 – 2022.01For the installer 4214 About the box 4314.1 Overview: About the box ................................................................................................................................................ 4314.2 Indoor unit ...................................................................................................................................................................... 4314.2.1 To unpack and handle the unit ...................................................................................................................... 4314.2.2 To remove the accessories from the indoor unit .......................................................................................... 4315 About the units and options 4515.1 Identification ................................................................................................................................................................... 4515.1.1 Identification label: Indoor unit ..................................................................................................................... 4515.2 About the indoor unit ..................................................................................................................................................... 4515.3 System layout.................................................................................................................................................................. 4515.4 Combining units and options.......................................................................................................................................... 4615.4.1 Possible options for the indoor unit............................................................................................................... 4616 Unit installation 4816.1 Preparing the installation site......................................................................................................................................... 4816.1.1 Installation site requirements of the indoor unit .......................................................................................... 4816.2 Mounting the indoor unit ............................................................................................................................................... 5116.2.1 Guidelines when installing the indoor unit.................................................................................................... 5116.2.2 Guidelines when installing the drain piping................................................................................................... 5617 Piping installation 6017.1 Preparing refrigerant piping ........................................................................................................................................... 6017.1.1 Refrigerant piping requirements.................................................................................................................... 6017.1.2 Refrigerant piping insulation.......................................................................................................................... 6117.2 Connecting the refrigerant piping .................................................................................................................................. 6117.2.1 About connecting the refrigerant piping ....................................................................................................... 6117.2.2 Precautions when connecting the refrigerant piping.................................................................................... 6217.2.3 Guidelines when connecting the refrigerant piping...................................................................................... 6217.2.4 Pipe bending guidelines ................................................................................................................................. 6317.2.5 To flare the pipe end ...................................................................................................................................... 6317.2.6 To connect the refrigerant piping to the indoor unit .................................................................................... 6418 Electrical installation 6618.1 About connecting the electrical wiring .......................................................................................................................... 6618.1.1 Precautions when connecting the electrical wiring....................................................................................... 6618.1.2 Guidelines when connecting the electrical wiring......................................................................................... 6718.1.3 Specifications of standard wiring components.............................................................................................. 6818.2 To connect the electrical wiring to the indoor unit ....................................................................................................... 6919 Finishing the indoor unit installation 7219.1 To mount the corner cover............................................................................................................................................. 7219.2 To close the suction grille ............................................................................................................................................... 7220 Commissioning 7420.1 Overview: Commissioning .............................................................................................................................................. 7420.2 Precautions when commissioning .................................................................................................................................. 7420.3 Checklist before commissioning..................................................................................................................................... 7520.4 To perform a test run...................................................................................................................................................... 7521 Configuration 7621.1 Field setting..................................................................................................................................................................... 7622 Hand-over to the user 8023 Troubleshooting 8123.1 Solving problems based on error codes ......................................................................................................................... 8123.1.1 Error codes: Overview .................................................................................................................................... 8124 Disposal 8325 Technical data 8425.1 Wiring diagram................................................................................................................................................................ 8425.1.1 Unified wiring diagram legend ....................................................................................................................... 8426 Glossary 87