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Table of contents
Installer and user reference guide
2
Table of contents
1.1
About the documentation ..............................................................................................................................................
1.1.1
Meaning of warnings and symbols ................................................................................................................
1.2
For the user.....................................................................................................................................................................
1.3
For the installer ...............................................................................................................................................................
1.3.1
General ...........................................................................................................................................................
1.3.2
Installation site ...............................................................................................................................................
1.3.3
Refrigerant - in case of R410A or R32.......................................................................................................... 11
1.3.4
Brine................................................................................................................................................................ 13
1.3.5
Water .............................................................................................................................................................. 13
1.3.6
Electrical ......................................................................................................................................................... 14
2.1
About this document ...................................................................................................................................................... 16
3.1
Overview: About the box ................................................................................................................................................ 18
3.2
Indoor unit ...................................................................................................................................................................... 18
3.2.1
To unpack and handle the unit ...................................................................................................................... 18
3.2.2
To remove the accessories from the indoor unit .......................................................................................... 19
4.1
Overview: About the units and options.......................................................................................................................... 20
4.2
Identification ................................................................................................................................................................... 20
4.2.1
Identification label: Indoor unit ..................................................................................................................... 20
4.3
About the indoor unit ..................................................................................................................................................... 20
4.4
System layout.................................................................................................................................................................. 22
4.5
Combining units and options.......................................................................................................................................... 23
4.5.1
Possible options for the indoor unit............................................................................................................... 23
5.1
Overview: Preparation .................................................................................................................................................... 24
5.2
Preparing the installation site......................................................................................................................................... 24
5.2.1
Installation site requirements of the indoor unit .......................................................................................... 24
5.3
Preparing refrigerant piping ........................................................................................................................................... 27
5.3.1
Refrigerant piping requirements.................................................................................................................... 27
5.3.2
Refrigerant piping insulation.......................................................................................................................... 27
5.4
Preparing electrical wiring .............................................................................................................................................. 28
5.4.1
About preparing electrical wiring................................................................................................................... 28
6.1
Overview: Installation ..................................................................................................................................................... 29
6.2
Mounting the indoor unit ............................................................................................................................................... 29
6.2.1
Precautions when mounting the indoor unit................................................................................................. 29
6.2.2
Guidelines when installing the indoor unit.................................................................................................... 30
6.2.3
Guidelines when installing the drain piping................................................................................................... 32
6.3
Connecting the refrigerant piping .................................................................................................................................. 35
6.3.1
About connecting the refrigerant piping ....................................................................................................... 35
6.3.2
Precautions when connecting the refrigerant piping.................................................................................... 36
6.3.3
Guidelines when connecting the refrigerant piping...................................................................................... 37
6.3.4
Pipe bending guidelines ................................................................................................................................. 37
6.3.5
To flare the pipe end ...................................................................................................................................... 37
6.3.6
To connect the refrigerant piping to the indoor unit .................................................................................... 38
6.4
Connecting the electrical wiring..................................................................................................................................... 39
6.4.1
About connecting the electrical wiring .......................................................................................................... 39
6.4.2
Precautions when connecting the electrical wiring....................................................................................... 39
6.4.3
Guidelines when connecting the electrical wiring......................................................................................... 40
6.4.4
Specifications of standard wiring components.............................................................................................. 40
6.4.5
To connect the electrical wiring to the indoor unit....................................................................................... 41
7.1
Field setting..................................................................................................................................................................... 44
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7
8
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17
18
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24
29
44
FCAG35~140BVEB
Split system air conditioners
4P561448-1B - 2021.07
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