Daikin Altherma 3 R F Installer's Reference Manual page 3
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- Installer's reference manual (312 pages) ,
- User reference manual (64 pages) ,
- Installation manual (48 pages)
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Daikin Altherma 3 R F
4P596821-1 - 2019.10
6.2.4
To open the indoor unit ................................................................................................................................. 44
6.2.5
To lower the switch box on the indoor unit .................................................................................................. 46
6.2.6
To close the indoor unit ................................................................................................................................. 46
6.3
Mounting the outdoor unit............................................................................................................................................. 47
6.3.1
About mounting the outdoor unit ................................................................................................................. 47
6.3.2
Precautions when mounting the outdoor unit .............................................................................................. 47
6.3.3
To provide the installation structure ............................................................................................................. 47
6.3.4
To install the outdoor unit ............................................................................................................................. 48
6.3.5
To provide drainage........................................................................................................................................ 48
6.3.6
To prevent the outdoor unit from falling over .............................................................................................. 49
6.4
Mounting the indoor unit ............................................................................................................................................... 50
6.4.1
About mounting the indoor unit.................................................................................................................... 50
6.4.2
Precautions when mounting the indoor unit................................................................................................. 50
6.4.3
To install the indoor unit ................................................................................................................................ 50
6.4.4
To connect the drain hose to the drain ......................................................................................................... 51
6.5
Finishing the outdoor unit installation ........................................................................................................................... 52
6.5.1
To finish the outdoor unit installation ........................................................................................................... 52
7.1
Preparing refrigerant piping ........................................................................................................................................... 53
7.1.1
Refrigerant piping requirements.................................................................................................................... 53
7.1.2
Refrigerant piping insulation.......................................................................................................................... 54
7.2
Preparing water piping ................................................................................................................................................... 54
7.2.1
Water circuit requirements............................................................................................................................ 54
7.2.2
Formula to calculate the expansion vessel pre-pressure .............................................................................. 57
7.2.3
To check the water volume and flow rate ..................................................................................................... 57
7.2.4
Changing the pre-pressure of the expansion vessel...................................................................................... 59
7.2.5
To check the water volume: Examples .......................................................................................................... 60
7.3
Connecting the refrigerant piping .................................................................................................................................. 60
7.3.1
About connecting the refrigerant piping ....................................................................................................... 60
7.3.2
Precautions when connecting the refrigerant piping.................................................................................... 61
7.3.3
Guidelines when connecting the refrigerant piping...................................................................................... 62
7.3.4
Pipe bending guidelines ................................................................................................................................. 62
7.3.5
To flare the pipe end ...................................................................................................................................... 62
7.3.6
To braze the pipe end..................................................................................................................................... 63
7.3.7
Using the stop valve and service port............................................................................................................ 64
7.3.8
To connect the refrigerant piping to the outdoor unit ................................................................................. 65
7.3.9
To connect the refrigerant piping to the indoor unit .................................................................................... 66
7.4
Checking the refrigerant piping...................................................................................................................................... 66
7.4.1
About checking the refrigerant piping ........................................................................................................... 66
7.4.2
Precautions when checking the refrigerant piping........................................................................................ 67
7.4.3
To check for leaks ........................................................................................................................................... 67
7.4.4
To perform vacuum drying............................................................................................................................. 68
7.5
Charging refrigerant........................................................................................................................................................ 69
7.5.1
About charging refrigerant............................................................................................................................. 69
7.5.2
About the refrigerant ..................................................................................................................................... 69
7.5.3
Precautions when charging refrigerant ......................................................................................................... 70
7.5.4
To determine the complete recharge amount .............................................................................................. 70
7.5.5
To fix the fluorinated greenhouse gases label............................................................................................... 70
7.6
Connecting water piping................................................................................................................................................. 71
7.6.1
About connecting the water piping ............................................................................................................... 71
7.6.2
Precautions when connecting the water piping............................................................................................ 71
7.6.3
To connect the water piping .......................................................................................................................... 71
7.6.4
To connect the recirculation piping ............................................................................................................... 73
7.6.5
To fill the water circuit ................................................................................................................................... 74
7.6.6
To fill the domestic hot water tank................................................................................................................ 74
7.6.7
To insulate the water piping .......................................................................................................................... 74
8.1
About connecting the electrical wiring .......................................................................................................................... 75
8.1.1
Precautions when connecting the electrical wiring....................................................................................... 75
8.1.2
Guidelines when connecting the electrical wiring......................................................................................... 76
8.1.3
Specifications of standard wiring components.............................................................................................. 77
8.1.4
About electrical compliance........................................................................................................................... 78
8.1.5
About preferential kWh rate power supply................................................................................................... 78
8.1.6
Overview of electrical connections except external actuators ..................................................................... 79
8.2
Connections to the outdoor unit.................................................................................................................................... 79
8.2.1
To connect the electrical wiring to the outdoor unit .................................................................................... 79
8.3
Connections to the indoor unit ...................................................................................................................................... 80
8.3.1
To connect the main power supply................................................................................................................ 82
Table of contents
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75
Installer reference guide
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