Daikin Altherma 3 R F Installer's Reference Manual page 3
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Also See for Altherma 3 R F:
- Installer's reference manual (312 pages) ,
- User reference manual (64 pages) ,
- Installation manual (48 pages)
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Daikin Altherma 3 R F
4P596806-1 - 2019.10
6.2.1
About opening the units................................................................................................................................. 53
6.2.2
To open the outdoor unit............................................................................................................................... 53
6.2.3
To close the outdoor unit............................................................................................................................... 54
6.2.4
To open the indoor unit ................................................................................................................................. 54
6.2.5
To lower the switch box on the indoor unit .................................................................................................. 56
6.2.6
To close the indoor unit ................................................................................................................................. 57
6.3
Mounting the outdoor unit............................................................................................................................................. 57
6.3.1
About mounting the outdoor unit ................................................................................................................. 57
6.3.2
Precautions when mounting the outdoor unit .............................................................................................. 58
6.3.3
To provide the installation structure ............................................................................................................. 58
6.3.4
To install the outdoor unit ............................................................................................................................. 59
6.3.5
To provide drainage........................................................................................................................................ 59
6.3.6
To prevent the outdoor unit from falling over .............................................................................................. 60
6.4
Mounting the indoor unit ............................................................................................................................................... 60
6.4.1
About mounting the indoor unit.................................................................................................................... 60
6.4.2
Precautions when mounting the indoor unit................................................................................................. 60
6.4.3
To install the indoor unit ................................................................................................................................ 60
6.4.4
To connect the drain hose to the drain ......................................................................................................... 61
6.5
Finishing the outdoor unit installation ........................................................................................................................... 62
6.5.1
To finish the outdoor unit installation ........................................................................................................... 62
7.1
Preparing refrigerant piping ........................................................................................................................................... 64
7.1.1
Refrigerant piping requirements.................................................................................................................... 64
7.1.2
Refrigerant piping insulation.......................................................................................................................... 65
7.2
Preparing water piping ................................................................................................................................................... 65
7.2.1
Water circuit requirements............................................................................................................................ 65
7.2.2
Formula to calculate the expansion vessel pre-pressure .............................................................................. 68
7.2.3
To check the water volume and flow rate ..................................................................................................... 68
7.2.4
Changing the pre-pressure of the expansion vessel...................................................................................... 70
7.2.5
To check the water volume: Examples .......................................................................................................... 71
7.3
Connecting the refrigerant piping .................................................................................................................................. 71
7.3.1
About connecting the refrigerant piping ....................................................................................................... 71
7.3.2
Precautions when connecting the refrigerant piping.................................................................................... 72
7.3.3
Guidelines when connecting the refrigerant piping...................................................................................... 73
7.3.4
Pipe bending guidelines ................................................................................................................................. 73
7.3.5
To flare the pipe end ...................................................................................................................................... 73
7.3.6
To braze the pipe end..................................................................................................................................... 74
7.3.7
Using the stop valve and service port............................................................................................................ 75
7.3.8
To connect the refrigerant piping to the outdoor unit ................................................................................. 76
7.3.9
To connect the refrigerant piping to the indoor unit .................................................................................... 77
7.4
Checking the refrigerant piping...................................................................................................................................... 77
7.4.1
About checking the refrigerant piping ........................................................................................................... 77
7.4.2
Precautions when checking the refrigerant piping........................................................................................ 78
7.4.3
To check for leaks ........................................................................................................................................... 78
7.4.4
To perform vacuum drying............................................................................................................................. 79
7.5
Charging refrigerant........................................................................................................................................................ 80
7.5.1
About charging refrigerant............................................................................................................................. 80
7.5.2
About the refrigerant ..................................................................................................................................... 80
7.5.3
Precautions when charging refrigerant ......................................................................................................... 81
7.5.4
To determine the complete recharge amount .............................................................................................. 81
7.5.5
To fix the fluorinated greenhouse gases label............................................................................................... 81
7.6
Connecting water piping................................................................................................................................................. 82
7.6.1
About connecting the water piping ............................................................................................................... 82
7.6.2
Precautions when connecting the water piping............................................................................................ 82
7.6.3
To connect the water piping .......................................................................................................................... 82
7.6.4
To connect the recirculation piping ............................................................................................................... 84
7.6.5
To fill the water circuit ................................................................................................................................... 84
7.6.6
To fill the domestic hot water tank................................................................................................................ 84
7.6.7
To insulate the water piping .......................................................................................................................... 85
8.1
About connecting the electrical wiring .......................................................................................................................... 86
8.1.1
Precautions when connecting the electrical wiring....................................................................................... 86
8.1.2
Guidelines when connecting the electrical wiring......................................................................................... 87
8.1.3
Specifications of standard wiring components.............................................................................................. 88
8.1.4
About electrical compliance........................................................................................................................... 89
8.1.5
About preferential kWh rate power supply................................................................................................... 89
8.1.6
Overview of electrical connections except external actuators ..................................................................... 90
8.2
Connections to the outdoor unit.................................................................................................................................... 90
Table of contents
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86
Installer reference guide
3
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