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Table of contents
Installer reference guide
2
Table of contents
1.1
About the documentation ..............................................................................................................................................
1.1.1
Meaning of warnings and symbols ................................................................................................................
1.2
For the installer ...............................................................................................................................................................
1.2.1
General ...........................................................................................................................................................
1.2.2
Installation site ...............................................................................................................................................
1.2.3
Refrigerant......................................................................................................................................................
1.2.4
Brine................................................................................................................................................................ 11
1.2.5
Water .............................................................................................................................................................. 11
1.2.6
Electrical ......................................................................................................................................................... 11
2.1
About this document ...................................................................................................................................................... 14
2.2
Installer reference guide at a glance .............................................................................................................................. 14
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
4.1
System layout.................................................................................................................................................................. 18
4.2
Operation range.............................................................................................................................................................. 18
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
6.1
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
6.6
Finishing the indoor unit installation.............................................................................................................................. 37
6.6.1
To insulate the drain piping, refrigerant piping and interconnection cable ................................................. 37
FTXP50~71M2V1B + FTXF20~71A2V1B + ATXF50~71A2V1B
Daikin room air conditioner
4P513661-8H - 2019.12
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