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)
Table of Contents
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ERGA04~08E + EHVZ04+08S18+23E
Daikin Altherma 3 R F
4P629093-1B - 2022.05
7.2.4
To open the indoor unit ................................................................................................................................. 58
7.2.5
To lower the switch box on the indoor unit .................................................................................................. 60
7.2.6
To close the indoor unit ................................................................................................................................. 61
7.3
Mounting the outdoor unit............................................................................................................................................. 61
7.3.1
About mounting the outdoor unit ................................................................................................................. 61
7.3.2
Precautions when mounting the outdoor unit .............................................................................................. 61
7.3.3
To provide the installation structure ............................................................................................................. 61
7.3.4
To install the outdoor unit ............................................................................................................................. 64
7.3.5
To provide drainage........................................................................................................................................ 65
7.3.6
To prevent the outdoor unit from falling over .............................................................................................. 67
7.4
Mounting the indoor unit ............................................................................................................................................... 68
7.4.1
About mounting the indoor unit.................................................................................................................... 68
7.4.2
Precautions when mounting the indoor unit................................................................................................. 68
7.4.3
To install the indoor unit ................................................................................................................................ 68
7.4.4
To connect the drain hose to the drain ......................................................................................................... 69
8.1
Preparing refrigerant piping ........................................................................................................................................... 70
8.1.1
Refrigerant piping requirements.................................................................................................................... 70
8.1.2
Refrigerant piping insulation.......................................................................................................................... 71
8.2
Connecting the refrigerant piping .................................................................................................................................. 71
8.2.1
About connecting the refrigerant piping ....................................................................................................... 71
8.2.2
Precautions when connecting the refrigerant piping.................................................................................... 72
8.2.3
Guidelines when connecting the refrigerant piping...................................................................................... 73
8.2.4
Pipe bending guidelines ................................................................................................................................. 73
8.2.5
To flare the pipe end ...................................................................................................................................... 73
8.2.6
To braze the pipe end..................................................................................................................................... 74
8.2.7
Using the stop valve and service port............................................................................................................ 75
8.2.8
To connect the refrigerant piping to the outdoor unit ................................................................................. 76
8.2.9
To connect the refrigerant piping to the indoor unit .................................................................................... 77
8.3
Checking the refrigerant piping...................................................................................................................................... 77
8.3.1
About checking the refrigerant piping ........................................................................................................... 77
8.3.2
Precautions when checking the refrigerant piping........................................................................................ 78
8.3.3
To check for leaks ........................................................................................................................................... 78
8.3.4
To perform vacuum drying............................................................................................................................. 79
8.3.5
To insulate the refrigerant piping .................................................................................................................. 80
8.4
Charging refrigerant........................................................................................................................................................ 80
8.4.1
About charging refrigerant............................................................................................................................. 80
8.4.2
Precautions when charging refrigerant ......................................................................................................... 81
8.4.3
To determine the additional refrigerant amount .......................................................................................... 81
8.4.4
To determine the complete recharge amount .............................................................................................. 82
8.4.5
To charge additional refrigerant .................................................................................................................... 82
8.4.6
To fix the fluorinated greenhouse gases label............................................................................................... 82
8.5
Preparing water piping ................................................................................................................................................... 83
8.5.1
Water circuit requirements............................................................................................................................ 83
8.5.2
Formula to calculate the expansion vessel pre-pressure .............................................................................. 86
8.5.3
To check the water volume and flow rate ..................................................................................................... 86
8.5.4
Changing the pre-pressure of the expansion vessel...................................................................................... 88
8.5.5
To check the water volume: Examples .......................................................................................................... 89
8.6
Connecting water piping................................................................................................................................................. 89
8.6.1
About connecting the water piping ............................................................................................................... 89
8.6.2
Precautions when connecting the water piping............................................................................................ 90
8.6.3
To connect the water piping .......................................................................................................................... 90
8.6.4
To connect the recirculation piping ............................................................................................................... 92
8.6.5
To fill the water circuit ................................................................................................................................... 92
8.6.6
To fill the domestic hot water tank................................................................................................................ 92
8.6.7
To insulate the water piping .......................................................................................................................... 93
9.1
About connecting the electrical wiring .......................................................................................................................... 94
9.1.1
Precautions when connecting the electrical wiring....................................................................................... 95
9.1.2
Guidelines when connecting the electrical wiring......................................................................................... 95
9.1.3
Specifications of standard wiring components.............................................................................................. 97
9.1.4
About electrical compliance........................................................................................................................... 97
9.1.5
About preferential kWh rate power supply................................................................................................... 97
9.1.6
Overview of electrical connections except external actuators ..................................................................... 98
9.2
Connections to the outdoor unit.................................................................................................................................... 98
9.2.1
To connect the electrical wiring to the outdoor unit .................................................................................... 98
9.3
Connections to the indoor unit ...................................................................................................................................... 100
9.3.1
To connect the main power supply................................................................................................................ 103
Table of contents
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94
Installer reference guide
3
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