Table Of Contents - Daikin 2MXM68A2V1B Installer's Reference Manual

R32 split
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Installer reference guide
2
Table of contents
1.1
About this document ......................................................................................................................................................
1.1.1
Meaning of warnings and symbols ................................................................................................................
2.1
For the installer ...............................................................................................................................................................
2.1.1
General ...........................................................................................................................................................
2.1.2
Installation site ...............................................................................................................................................
2.1.3
Refrigerant - in case of R410A or R32.......................................................................................................... 11
2.1.4
Electrical ......................................................................................................................................................... 12
4.1
Overview: About the box ................................................................................................................................................ 20
4.2
Outdoor unit ................................................................................................................................................................... 20
4.2.1
To unpack the outdoor unit ........................................................................................................................... 20
4.2.2
To handle the outdoor unit ............................................................................................................................ 20
4.2.3
To remove the accessories from the outdoor unit........................................................................................ 21
5.1
Identification ................................................................................................................................................................... 23
5.1.1
Identification label: Outdoor unit .................................................................................................................. 23
6.1
Preparing the installation site......................................................................................................................................... 24
6.1.1
Installation site requirements of the outdoor unit........................................................................................ 25
6.1.2
6.2
Opening the unit ............................................................................................................................................................. 28
6.2.1
About opening the unit .................................................................................................................................. 28
6.2.2
To open the outdoor unit............................................................................................................................... 28
6.3
Mounting the outdoor unit............................................................................................................................................. 28
6.3.1
About mounting the outdoor unit ................................................................................................................. 28
6.3.2
Precautions when mounting the outdoor unit .............................................................................................. 29
6.3.3
To provide the installation structure ............................................................................................................. 29
6.3.4
To install the outdoor unit ............................................................................................................................. 30
6.3.5
To provide drainage........................................................................................................................................ 30
6.3.6
To prevent the outdoor unit from falling over .............................................................................................. 31
7.1
Preparing refrigerant piping ........................................................................................................................................... 32
7.1.1
Refrigerant piping requirements.................................................................................................................... 32
7.1.2
Refrigerant piping insulation.......................................................................................................................... 33
7.1.3
Refrigerant piping length and height difference ........................................................................................... 34
7.2
Connecting the refrigerant piping .................................................................................................................................. 35
7.2.1
About connecting the refrigerant piping ....................................................................................................... 35
7.2.2
Precautions when connecting the refrigerant piping.................................................................................... 35
7.2.3
Guidelines when connecting the refrigerant piping...................................................................................... 36
7.2.4
Pipe bending guidelines ................................................................................................................................. 37
7.2.5
To flare the pipe end ...................................................................................................................................... 37
7.2.6
Connections between outdoor and indoor unit using reducers ................................................................... 38
7.2.7
Using the stop valve and service port............................................................................................................ 40
7.2.8
To connect the refrigerant piping to the outdoor unit ................................................................................. 42
7.3
Checking the refrigerant piping...................................................................................................................................... 42
7.3.1
About checking the refrigerant piping ........................................................................................................... 42
7.3.2
Precautions when checking the refrigerant piping........................................................................................ 43
7.3.3
To check for leaks ........................................................................................................................................... 43
7.3.4
To perform vacuum drying............................................................................................................................. 44
8.1
About charging refrigerant ............................................................................................................................................. 46
8.2
About the refrigerant...................................................................................................................................................... 47
8.3
Precautions when charging refrigerant.......................................................................................................................... 48
8.4
To determine the additional refrigerant amount .......................................................................................................... 48
8.5
To determine the complete recharge amount .............................................................................................................. 48
8.6
To charge additional refrigerant..................................................................................................................................... 49
8.7
To fix the fluorinated greenhouse gases label ............................................................................................................... 49
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32
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2MXM-A, 3MXM-A, 4MXM-A, 5MXM-A
R32 Split series
4P600463-5E - 2021.12
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