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Table of contents
Installer reference guide
2
Table of contents
1.1
About this document......................................................................................................................................................
2.1
About the documentation..............................................................................................................................................
2.1.1
Meaning of warnings and symbols................................................................................................................
2.2
For the installer ..............................................................................................................................................................
2.2.1
General...........................................................................................................................................................
2.2.2
Installation site...............................................................................................................................................
2.2.3
Refrigerant - in case of R410A or R32.........................................................................................................
2.2.4
Brine ...............................................................................................................................................................
2.2.5
Water .............................................................................................................................................................
2.2.6
Electrical.........................................................................................................................................................
4.1
Indoor unit......................................................................................................................................................................
4.1.1
To unpack the indoor unit .............................................................................................................................
4.1.2
To remove the accessories from the indoor unit..........................................................................................
5.1
System layout .................................................................................................................................................................
5.2
Operation range .............................................................................................................................................................
5.3
About the wireless LAN ..................................................................................................................................................
5.3.1
Precautions when using the wireless LAN.....................................................................................................
5.3.2
Basic parameters ...........................................................................................................................................
5.3.3
Setting the wireless LAN ................................................................................................................................
6.1
Preparing the installation site ........................................................................................................................................
6.1.1
Installation site requirements of the indoor unit..........................................................................................
6.2
Opening the indoor unit.................................................................................................................................................
6.2.1
To remove the front panel ............................................................................................................................
6.2.2
To re-install the front panel...........................................................................................................................
6.2.3
To remove the front grille .............................................................................................................................
6.2.4
To re-install the front grille............................................................................................................................
6.2.5
To remove the electrical wiring box cover....................................................................................................
6.2.6
To open the service cover .............................................................................................................................
6.3
Installing the indoor unit................................................................................................................................................
6.3.1
Precautions when installing the indoor unit .................................................................................................
6.3.2
To install the mounting plate ........................................................................................................................
6.3.3
To drill a wall hole ..........................................................................................................................................
6.3.4
To remove the pipe port cover......................................................................................................................
6.3.5
To provide drainage.......................................................................................................................................
7.1
Preparing refrigerant piping...........................................................................................................................................
7.1.1
Refrigerant piping requirements ...................................................................................................................
7.1.2
Refrigerant piping insulation .........................................................................................................................
7.2
Connecting the refrigerant piping..................................................................................................................................
7.2.1
Guidelines when connecting the refrigerant piping .....................................................................................
7.2.2
To connect the refrigerant piping to the indoor unit ...................................................................................
8.1
Preparing electrical wiring .............................................................................................................................................
8.1.1
About preparing electrical wiring..................................................................................................................
8.2
Connecting the electrical wiring ....................................................................................................................................
8.2.1
Specifications of standard wiring components.............................................................................................
8.2.2
To connect the electrical wiring to the indoor unit ......................................................................................
9.1
To insulate the drain piping, refrigerant piping and interconnection cable.................................................................
9.2
To pass the pipes through the wall hole........................................................................................................................
9.3
To fix the unit on the mounting plate............................................................................................................................
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FTXD25+35A5V1B
Split system air conditioners
4P715853-3B - 2024.05
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