Table of Contents
Advertisement
Daikin Altherma 3 R F
4P629090-1C - 2022.08
7.1.5
Installation patterns ....................................................................................................................................... 66
7.2
Opening and closing the units ........................................................................................................................................ 70
7.2.1
About opening the units................................................................................................................................. 70
7.2.2
To open the outdoor unit............................................................................................................................... 70
7.2.3
To close the outdoor unit............................................................................................................................... 71
7.2.4
To open the indoor unit ................................................................................................................................. 71
7.2.5
To lower the switch box on the indoor unit .................................................................................................. 73
7.2.6
To close the indoor unit ................................................................................................................................. 74
7.3
Mounting the outdoor unit............................................................................................................................................. 74
7.3.1
About mounting the outdoor unit ................................................................................................................. 74
7.3.2
Precautions when mounting the outdoor unit .............................................................................................. 74
7.3.3
To provide the installation structure ............................................................................................................. 74
7.3.4
To install the outdoor unit ............................................................................................................................. 77
7.3.5
To provide drainage........................................................................................................................................ 78
7.3.6
To prevent the outdoor unit from falling over .............................................................................................. 80
7.4
Mounting the indoor unit ............................................................................................................................................... 81
7.4.1
About mounting the indoor unit.................................................................................................................... 81
7.4.2
Precautions when mounting the indoor unit................................................................................................. 81
7.4.3
To install the indoor unit ................................................................................................................................ 81
7.4.4
To connect the drain hose to the drain ......................................................................................................... 82
8.1
Preparing refrigerant piping ........................................................................................................................................... 83
8.1.1
Refrigerant piping requirements.................................................................................................................... 83
8.1.2
Refrigerant piping insulation.......................................................................................................................... 84
8.2
Connecting the refrigerant piping .................................................................................................................................. 84
8.2.1
About connecting the refrigerant piping ....................................................................................................... 84
8.2.2
Precautions when connecting the refrigerant piping.................................................................................... 85
8.2.3
Guidelines when connecting the refrigerant piping...................................................................................... 86
8.2.4
Pipe bending guidelines ................................................................................................................................. 86
8.2.5
To flare the pipe end ...................................................................................................................................... 86
8.2.6
To braze the pipe end..................................................................................................................................... 87
8.2.7
Using the stop valve and service port............................................................................................................ 88
8.2.8
To connect the refrigerant piping to the outdoor unit ................................................................................. 89
8.2.9
To connect the refrigerant piping to the indoor unit .................................................................................... 90
8.3
Checking the refrigerant piping...................................................................................................................................... 90
8.3.1
About checking the refrigerant piping ........................................................................................................... 90
8.3.2
Precautions when checking the refrigerant piping........................................................................................ 91
8.3.3
To check for leaks ........................................................................................................................................... 91
8.3.4
To perform vacuum drying............................................................................................................................. 92
8.3.5
To insulate the refrigerant piping .................................................................................................................. 93
8.4
Charging refrigerant........................................................................................................................................................ 93
8.4.1
About charging refrigerant............................................................................................................................. 93
8.4.2
Precautions when charging refrigerant ......................................................................................................... 94
8.4.3
To determine the additional refrigerant amount .......................................................................................... 94
8.4.4
To determine the complete recharge amount .............................................................................................. 95
8.4.5
To charge additional refrigerant .................................................................................................................... 95
8.4.6
To fix the fluorinated greenhouse gases label............................................................................................... 95
8.5
Preparing water piping ................................................................................................................................................... 96
8.5.1
Water circuit requirements............................................................................................................................ 96
8.5.2
Formula to calculate the expansion vessel pre-pressure .............................................................................. 100
8.5.3
To check the water volume and flow rate ..................................................................................................... 100
8.5.4
Changing the pre-pressure of the expansion vessel...................................................................................... 102
8.5.5
To check the water volume: Examples .......................................................................................................... 103
8.6
Connecting water piping................................................................................................................................................. 103
8.6.1
About connecting the water piping ............................................................................................................... 103
8.6.2
Precautions when connecting the water piping............................................................................................ 104
8.6.3
To connect the water piping .......................................................................................................................... 104
8.6.4
To connect the water piping for domestic hot water.................................................................................... 106
8.6.5
To connect the recirculation piping ............................................................................................................... 109
8.6.6
To fill the water circuit ................................................................................................................................... 109
8.6.7
To fill the domestic hot water tank................................................................................................................ 109
8.6.8
To insulate the water piping .......................................................................................................................... 110
9.1
About connecting the electrical wiring .......................................................................................................................... 111
9.1.1
Precautions when connecting the electrical wiring....................................................................................... 112
9.1.2
Guidelines when connecting the electrical wiring......................................................................................... 112
9.1.3
Specifications of standard wiring components.............................................................................................. 114
9.1.4
About electrical compliance........................................................................................................................... 114
Table of contents
83
111
Installer reference guide
3
Advertisement
Table of Contents
