Daikin FXKA25AMVEB User Reference Manual

Also see for FXKA20AMVEB: Installation and operation manual

Table of contentsInstaller and user reference guide3FXKA-AVRV system air conditioner4P747548-2 – 2023.11For the installer 4414 About the box 4514.1 Indoor unit...................................................................................................................................................................... 4514.1.1 To unpack and handle the unit...................................................................................................................... 4514.1.2 To remove the accessories from the indoor unit.......................................................................................... 4515 About the units and options 4715.1 Identification .................................................................................................................................................................. 4715.1.1 Identification label: Indoor unit..................................................................................................................... 4715.2 About the indoor unit..................................................................................................................................................... 4715.3 Components ................................................................................................................................................................... 4715.4 Combining units and options ......................................................................................................................................... 4815.4.1 Possible options for the indoor unit.............................................................................................................. 4816 Unit installation 5016.1 Preparing the installation site ........................................................................................................................................ 5016.1.1 Installation site requirements of the indoor unit.......................................................................................... 5016.2 Mounting the indoor unit............................................................................................................................................... 5216.2.1 Guidelines when installing the indoor unit ................................................................................................... 5216.2.2 Guidelines when installing the drain piping .................................................................................................. 5417 Piping installation 5817.1 Preparing refrigerant piping........................................................................................................................................... 5817.1.1 Refrigerant piping requirements ................................................................................................................... 5817.1.2 Refrigerant piping insulation ......................................................................................................................... 5917.2 Connecting the refrigerant piping.................................................................................................................................. 5917.2.1 About connecting the refrigerant piping ...................................................................................................... 5917.2.2 Precautions when connecting the refrigerant piping ................................................................................... 6017.2.3 Guidelines when connecting the refrigerant piping ..................................................................................... 6117.2.4 Pipe bending guidelines................................................................................................................................. 6117.2.5 To flare the pipe end ..................................................................................................................................... 6117.2.6 To connect the refrigerant piping to the indoor unit ................................................................................... 6218 Electrical installation 6418.1 About connecting the electrical wiring.......................................................................................................................... 6418.1.1 Precautions when connecting the electrical wiring...................................................................................... 6418.1.2 Guidelines when connecting the electrical wiring ........................................................................................ 6518.1.3 Specifications of standard wiring components............................................................................................. 6618.2 To connect the electrical wiring to the indoor unit....................................................................................................... 6719 Commissioning 7019.1 Overview: Commissioning.............................................................................................................................................. 7019.2 Precautions when commissioning ................................................................................................................................. 7019.3 Checklist before commissioning .................................................................................................................................... 7119.4 To perform a test run ..................................................................................................................................................... 7120 Configuration 7220.1 Field setting .................................................................................................................................................................... 7221 Hand-over to the user 7622 Troubleshooting 7722.1 Solving problems based on error codes ........................................................................................................................ 7722.1.1 Error codes: Overview ................................................................................................................................... 7723 Disposal 7924 Technical data 8024.1 Wiring diagram ............................................................................................................................................................... 8024.1.1 Unified wiring diagram legend ...................................................................................................................... 8025 Glossary 83