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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ERGA04~08EA + EHVH/X04+08S18+23EA/EJ
Daikin Altherma 3 R F
4P629086-1A - 2021.11
7.2
Opening and closing the units ........................................................................................................................................ 69
7.2.1
About opening the units................................................................................................................................. 69
7.2.2
To open the outdoor unit............................................................................................................................... 69
7.2.3
To close the outdoor unit............................................................................................................................... 70
7.2.4
To open the indoor unit ................................................................................................................................. 70
7.2.5
To lower the switch box on the indoor unit .................................................................................................. 72
7.2.6
To close the indoor unit ................................................................................................................................. 73
7.3
Mounting the outdoor unit............................................................................................................................................. 73
7.3.1
About mounting the outdoor unit ................................................................................................................. 73
7.3.2
Precautions when mounting the outdoor unit .............................................................................................. 73
7.3.3
To provide the installation structure ............................................................................................................. 73
7.3.4
To install the outdoor unit ............................................................................................................................. 76
7.3.5
To provide drainage........................................................................................................................................ 77
7.3.6
To prevent the outdoor unit from falling over .............................................................................................. 79
7.4
Mounting the indoor unit ............................................................................................................................................... 80
7.4.1
About mounting the indoor unit.................................................................................................................... 80
7.4.2
Precautions when mounting the indoor unit................................................................................................. 80
7.4.3
To install the indoor unit ................................................................................................................................ 80
7.4.4
To connect the drain hose to the drain ......................................................................................................... 81
8.1
Preparing refrigerant piping ........................................................................................................................................... 82
8.1.1
Refrigerant piping requirements.................................................................................................................... 82
8.1.2
Refrigerant piping insulation.......................................................................................................................... 83
8.2
Connecting the refrigerant piping .................................................................................................................................. 83
8.2.1
About connecting the refrigerant piping ....................................................................................................... 83
8.2.2
Precautions when connecting the refrigerant piping.................................................................................... 84
8.2.3
Guidelines when connecting the refrigerant piping...................................................................................... 85
8.2.4
Pipe bending guidelines ................................................................................................................................. 85
8.2.5
To flare the pipe end ...................................................................................................................................... 85
8.2.6
To braze the pipe end..................................................................................................................................... 86
8.2.7
Using the stop valve and service port............................................................................................................ 87
8.2.8
To connect the refrigerant piping to the outdoor unit ................................................................................. 88
8.2.9
To connect the refrigerant piping to the indoor unit .................................................................................... 89
8.3
Checking the refrigerant piping...................................................................................................................................... 89
8.3.1
About checking the refrigerant piping ........................................................................................................... 89
8.3.2
Precautions when checking the refrigerant piping........................................................................................ 90
8.3.3
To check for leaks ........................................................................................................................................... 90
8.3.4
To perform vacuum drying............................................................................................................................. 91
8.3.5
To insulate the refrigerant piping .................................................................................................................. 92
8.4
Charging refrigerant........................................................................................................................................................ 92
8.4.1
About charging refrigerant............................................................................................................................. 92
8.4.2
Precautions when charging refrigerant ......................................................................................................... 93
8.4.3
To determine the additional refrigerant amount .......................................................................................... 93
8.4.4
To determine the complete recharge amount .............................................................................................. 94
8.4.5
To charge additional refrigerant .................................................................................................................... 94
8.4.6
To fix the fluorinated greenhouse gases label............................................................................................... 94
8.5
Preparing water piping ................................................................................................................................................... 95
8.5.1
Water circuit requirements............................................................................................................................ 95
8.5.2
Formula to calculate the expansion vessel pre-pressure .............................................................................. 98
8.5.3
To check the water volume and flow rate ..................................................................................................... 98
8.5.4
Changing the pre-pressure of the expansion vessel...................................................................................... 100
8.5.5
To check the water volume: Examples .......................................................................................................... 101
8.6
Connecting water piping................................................................................................................................................. 101
8.6.1
About connecting the water piping ............................................................................................................... 101
8.6.2
Precautions when connecting the water piping............................................................................................ 102
8.6.3
To connect the water piping .......................................................................................................................... 102
8.6.4
To connect the recirculation piping ............................................................................................................... 103
8.6.5
To fill the water circuit ................................................................................................................................... 104
8.6.6
To fill the domestic hot water tank................................................................................................................ 104
8.6.7
To insulate the water piping .......................................................................................................................... 104
9.1
About connecting the electrical wiring .......................................................................................................................... 105
9.1.1
Precautions when connecting the electrical wiring....................................................................................... 106
9.1.2
Guidelines when connecting the electrical wiring......................................................................................... 106
9.1.3
Specifications of standard wiring components.............................................................................................. 108
9.1.4
About electrical compliance........................................................................................................................... 108
9.1.5
About preferential kWh rate power supply................................................................................................... 108
9.1.6
Overview of electrical connections except external actuators ..................................................................... 109
Table of contents
82
105
Installer reference guide
3
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