Daikin Altherma 3 R F Installer's Reference Manual page 3
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- Installer's reference manual (304 pages) ,
- User reference manual (64 pages) ,
- Installation manual (48 pages)
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ERLA11~16DAV3+W1 + EBVH16SU23DJ
Daikin Altherma 3 R F
4P655196-1 - 2021.09
7.1.3
Installation site requirements of the indoor unit .......................................................................................... 67
7.1.4
Special requirements for R32 units................................................................................................................ 68
7.1.5
Installation patterns ....................................................................................................................................... 70
7.2
Opening and closing the units ........................................................................................................................................ 78
7.2.1
About opening the units................................................................................................................................. 78
7.2.2
To open the outdoor unit............................................................................................................................... 78
7.2.3
To close the outdoor unit............................................................................................................................... 79
7.2.4
To open the indoor unit ................................................................................................................................. 79
7.2.5
To lower the switch box on the indoor unit .................................................................................................. 81
7.2.6
To close the indoor unit ................................................................................................................................. 82
7.3
Mounting the outdoor unit............................................................................................................................................. 82
7.3.1
About mounting the outdoor unit ................................................................................................................. 82
7.3.2
Precautions when mounting the outdoor unit .............................................................................................. 82
7.3.3
To provide the installation structure ............................................................................................................. 82
7.3.4
To install the outdoor unit ............................................................................................................................. 83
7.3.5
To provide drainage........................................................................................................................................ 84
7.3.6
To install the discharge grille.......................................................................................................................... 85
7.4
Mounting the indoor unit ............................................................................................................................................... 86
7.4.1
About mounting the indoor unit.................................................................................................................... 86
7.4.2
Precautions when mounting the indoor unit................................................................................................. 86
7.4.3
To install the indoor unit ................................................................................................................................ 86
7.4.4
To connect the drain hose to the drain ......................................................................................................... 87
8.1
Preparing refrigerant piping ........................................................................................................................................... 88
8.1.1
Refrigerant piping requirements.................................................................................................................... 88
8.1.2
Refrigerant piping insulation.......................................................................................................................... 89
8.2
Connecting the refrigerant piping .................................................................................................................................. 89
8.2.1
About connecting the refrigerant piping ....................................................................................................... 89
8.2.2
Precautions when connecting the refrigerant piping.................................................................................... 90
8.2.3
Guidelines when connecting the refrigerant piping...................................................................................... 91
8.2.4
Pipe bending guidelines ................................................................................................................................. 91
8.2.5
To flare the pipe end ...................................................................................................................................... 91
8.2.6
To braze the pipe end..................................................................................................................................... 92
8.2.7
Using the stop valve and service port............................................................................................................ 93
8.2.8
To connect the refrigerant piping to the outdoor unit ................................................................................. 94
8.2.9
To connect the refrigerant piping to the indoor unit .................................................................................... 97
8.3
Checking the refrigerant piping...................................................................................................................................... 97
8.3.1
About checking the refrigerant piping ........................................................................................................... 97
8.3.2
Precautions when checking the refrigerant piping........................................................................................ 98
8.3.3
Checking refrigerant piping: Setup ................................................................................................................ 98
8.3.4
To check for leaks ........................................................................................................................................... 98
8.3.5
To perform vacuum drying............................................................................................................................. 99
8.4
Charging refrigerant........................................................................................................................................................ 100
8.4.1
About charging refrigerant............................................................................................................................. 100
8.4.2
Precautions when charging refrigerant ......................................................................................................... 101
8.4.3
Charging additional refrigerant...................................................................................................................... 102
8.4.4
Completely recharging refrigerant................................................................................................................. 102
8.4.5
To fix the fluorinated greenhouse gases label............................................................................................... 103
8.5
Preparing water piping ................................................................................................................................................... 104
8.5.1
Water circuit requirements............................................................................................................................ 104
8.5.2
Formula to calculate the expansion vessel pre-pressure .............................................................................. 108
8.5.3
To check the water volume and flow rate ..................................................................................................... 108
8.5.4
Changing the pre-pressure of the expansion vessel...................................................................................... 110
8.5.5
To check the water volume: Examples .......................................................................................................... 110
8.6
Connecting water piping................................................................................................................................................. 111
8.6.1
About connecting the water piping ............................................................................................................... 111
8.6.2
Precautions when connecting the water piping............................................................................................ 111
8.6.3
To connect the water piping .......................................................................................................................... 111
8.6.4
To connect the water piping for domestic hot water.................................................................................... 113
8.6.5
To connect the recirculation piping ............................................................................................................... 116
8.6.6
To fill the water circuit ................................................................................................................................... 117
8.6.7
To fill the domestic hot water tank................................................................................................................ 117
8.6.8
To insulate the water piping .......................................................................................................................... 117
9.1
About connecting the electrical wiring .......................................................................................................................... 118
9.1.1
Precautions when connecting the electrical wiring....................................................................................... 119
9.1.2
Guidelines when connecting the electrical wiring......................................................................................... 120
9.1.3
About electrical compliance........................................................................................................................... 121
Table of contents
88
118
Installer reference guide
3
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