Table of contents
Installer reference guide
2
Table of contents
1.1
About the documentation ..............................................................................................................................................
1.1.1
1.2
For the installer ...............................................................................................................................................................
1.2.1
General ...........................................................................................................................................................
1.2.2
Installation site ...............................................................................................................................................
1.2.3
Refrigerant...................................................................................................................................................... 10
1.2.4
Brine................................................................................................................................................................ 11
1.2.5
Water .............................................................................................................................................................. 12
1.2.6
Electrical ......................................................................................................................................................... 12
2.1
About this document ...................................................................................................................................................... 15
2.2
3.1
Overview: About the box ................................................................................................................................................ 17
3.2
Outdoor unit ................................................................................................................................................................... 17
3.2.1
To unpack the outdoor unit ........................................................................................................................... 17
3.2.2
4.1
4.2
Identification ................................................................................................................................................................... 20
4.2.1
5.1
Overview: Preparation .................................................................................................................................................... 21
5.2
Preparing the installation site......................................................................................................................................... 21
5.2.1
5.2.2
5.2.3
5.3
Preparing refrigerant piping ........................................................................................................................................... 25
5.3.1
5.3.2
Refrigerant piping insulation.......................................................................................................................... 26
5.4
Preparing electrical wiring .............................................................................................................................................. 27
5.4.1
6.1
Overview: Installation ..................................................................................................................................................... 28
6.2
Opening the unit ............................................................................................................................................................. 28
6.2.1
About opening the unit .................................................................................................................................. 28
6.2.2
To open the outdoor unit............................................................................................................................... 29
6.3
Mounting the outdoor unit............................................................................................................................................. 29
6.3.1
6.3.2
6.3.3
6.3.4
To install the outdoor unit ............................................................................................................................. 30
6.3.5
To provide drainage........................................................................................................................................ 30
6.3.6
6.4
Connecting the refrigerant piping .................................................................................................................................. 32
6.4.1
6.4.2
6.4.3
6.4.4
Pipe bending guidelines ................................................................................................................................. 34
6.4.5
To flare the pipe end ...................................................................................................................................... 35
6.4.6
6.4.7
6.4.8
6.5
Checking the refrigerant piping...................................................................................................................................... 40
6.5.1
6.5.2
6.5.3
To check for leaks ........................................................................................................................................... 41
6.5.4
To perform vacuum drying............................................................................................................................. 41
6.6
Charging refrigerant........................................................................................................................................................ 42
6.6.1
About charging refrigerant............................................................................................................................. 42
4
4
4
5
5
6
15
17
20
21
28
3(A)MXM+3(A)MXF+4MXM+5MXM
R32 Split series
4P600463-1B - 2020.05