Daikin FTXF20A2V1B - Default Chapter; Table of Contents

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Table of contents

Installer reference guide

FTXP50~71M2V1B + FTXF20~71A2V1B + ATXF50~71A2V1B

Daikin room air conditioner

4P513661-8H – 2019.12

Table of contents

1 General safety precautions 4

1.1 About the documentation .............................................................................................................................................. 4

1.1.1 Meaning of warnings and symbols ................................................................................................................ 4

1.2 For the installer............................................................................................................................................................... 5

1.2.1 General ........................................................................................................................................................... 5

1.2.2 Installation site ............................................................................................................................................... 6

1.2.3 Refrigerant...................................................................................................................................................... 9

1.2.4 Brine................................................................................................................................................................ 11

1.2.5 Water .............................................................................................................................................................. 11

1.2.6 Electrical ......................................................................................................................................................... 11

2 About the documentation 14

2.1 About this document ...................................................................................................................................................... 14

2.2 Installer reference guide at a glance .............................................................................................................................. 14

3 About the box 16

3.1 Overview: About the box ................................................................................................................................................ 16

3.2 Indoor unit ...................................................................................................................................................................... 16

3.2.1 To unpack the indoor unit.............................................................................................................................. 16

3.2.2 To remove the accessories from the indoor unit .......................................................................................... 17

4 About the unit 18

4.1 System layout.................................................................................................................................................................. 18

4.2 Operation range.............................................................................................................................................................. 18

5 Preparation 19

5.1 Overview: Preparation.................................................................................................................................................... 19

5.2 Preparing the installation site......................................................................................................................................... 19

5.2.1 Installation site requirements of the indoor unit .......................................................................................... 19

5.3 Preparing refrigerant piping ........................................................................................................................................... 20

5.3.1 Refrigerant piping requirements.................................................................................................................... 20

5.3.2 Refrigerant piping insulation.......................................................................................................................... 21

5.4 Preparing electrical wiring .............................................................................................................................................. 21

5.4.1 About preparing electrical wiring................................................................................................................... 21

6 Installation 23

6.1 Overview: Installation ..................................................................................................................................................... 23

6.2 Opening the indoor unit ................................................................................................................................................. 23

6.2.1 To remove the front panel ............................................................................................................................. 23

6.2.2 To re-install the front panel ........................................................................................................................... 24

6.2.3 To remove the front grille .............................................................................................................................. 24

6.2.4 To re-install the front grille ............................................................................................................................ 24

6.2.5 To remove the electrical wiring box cover..................................................................................................... 24

6.2.6 To open the service cover .............................................................................................................................. 25

6.3 Installing the indoor unit ................................................................................................................................................ 25

6.3.1 Precautions when installing the indoor unit.................................................................................................. 25

6.3.2 To install the mounting plate ......................................................................................................................... 25

6.3.3 To drill a wall hole........................................................................................................................................... 26

6.3.4 To remove the pipe port cover ...................................................................................................................... 27

6.3.5 To provide drainage........................................................................................................................................ 27

6.4 Connecting the refrigerant piping .................................................................................................................................. 30

6.4.1 About connecting the refrigerant piping ....................................................................................................... 30

6.4.2 Precautions when connecting the refrigerant piping.................................................................................... 30

6.4.3 Guidelines when connecting the refrigerant piping...................................................................................... 31

6.4.4 Pipe bending guidelines ................................................................................................................................. 32

6.4.5 To flare the pipe end ...................................................................................................................................... 32

6.4.6 To connect the refrigerant piping to the indoor unit .................................................................................... 33

6.5 Connecting the electrical wiring..................................................................................................................................... 33

6.5.1 About connecting the electrical wiring.......................................................................................................... 33

6.5.2 Precautions when connecting the electrical wiring....................................................................................... 34

6.5.3 Guidelines when connecting the electrical wiring......................................................................................... 34

6.5.4 Specifications of standard wiring components.............................................................................................. 35

6.5.5 To connect the electrical wiring on the indoor unit ...................................................................................... 35

6.5.6 To connect optional accessories (wired user interface, central user interface, wireless adapter, etc.)...... 37

6.6 Finishing the indoor unit installation.............................................................................................................................. 37

6.6.1 To insulate the drain piping, refrigerant piping and interconnection cable ................................................. 37