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EPRA14~18D + ETVH/X16S18+23E
Daikin Altherma 3 H HT F
4P644737-1A - 2022.03
7.2.3
To remove the transportation stay ................................................................................................................ 67
7.2.4
To attach the compressor cover piece .......................................................................................................... 68
7.2.5
To close the outdoor unit............................................................................................................................... 69
7.2.6
To open the indoor unit ................................................................................................................................. 69
7.2.7
To lower the switch box on the indoor unit .................................................................................................. 71
7.2.8
To close the indoor unit ................................................................................................................................. 72
7.3
Mounting the outdoor unit............................................................................................................................................. 72
7.3.1
About mounting the outdoor unit ................................................................................................................. 72
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 ............................................................................................................................. 74
7.3.5
To provide drainage........................................................................................................................................ 75
7.3.6
To install the discharge grille.......................................................................................................................... 76
7.3.7
To remove the discharge grille, and put the grille in safety position............................................................ 78
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 water piping ................................................................................................................................................... 82
8.1.1
Water circuit requirements............................................................................................................................ 82
8.1.2
Formula to calculate the expansion vessel pre-pressure .............................................................................. 85
8.1.3
To check the water volume and flow rate ..................................................................................................... 85
8.1.4
Changing the pre-pressure of the expansion vessel...................................................................................... 87
8.1.5
To check the water volume: Examples .......................................................................................................... 88
8.2
Connecting water piping................................................................................................................................................. 88
8.2.1
About connecting the water piping ............................................................................................................... 88
8.2.2
Precautions when connecting the water piping............................................................................................ 89
8.2.3
To connect the water piping .......................................................................................................................... 89
8.2.4
To connect the recirculation piping ............................................................................................................... 91
8.2.5
To fill the water circuit ................................................................................................................................... 92
8.2.6
To protect the water circuit against freezing ................................................................................................ 92
8.2.7
To fill the domestic hot water tank................................................................................................................ 95
8.2.8
To insulate the water piping .......................................................................................................................... 96
9.1
About connecting the electrical wiring .......................................................................................................................... 97
9.1.1
Precautions when connecting the electrical wiring....................................................................................... 97
9.1.2
Guidelines when connecting the electrical wiring......................................................................................... 98
9.1.3
About electrical compliance........................................................................................................................... 99
9.1.4
About preferential kWh rate power supply................................................................................................... 100
9.1.5
Overview of electrical connections except external actuators ..................................................................... 101
9.2
Connections to the outdoor unit.................................................................................................................................... 101
9.2.1
To connect the electrical wiring to the outdoor unit .................................................................................... 102
9.2.2
To reposition the air thermistor on the outdoor unit ................................................................................... 108
9.3
Connections to the indoor unit ...................................................................................................................................... 109
9.3.1
To connect the main power supply................................................................................................................ 112
9.3.2
To connect the backup heater power supply ................................................................................................ 114
9.3.3
To connect the shut-off valve ........................................................................................................................ 117
9.3.4
To connect the electricity meters .................................................................................................................. 118
9.3.5
To connect the domestic hot water pump .................................................................................................... 119
9.3.6
To connect the alarm output ......................................................................................................................... 120
9.3.7
To connect the space cooling/heating ON/OFF output................................................................................. 121
9.3.8
To connect the changeover to external heat source..................................................................................... 122
9.3.9
To connect the power consumption digital inputs........................................................................................ 123
9.3.10
To connect the safety thermostat (normally closed contact) ....................................................................... 124
9.3.11
To connect a Smart Grid................................................................................................................................. 125
9.3.12
To connect the WLAN cartridge (delivered as accessory)............................................................................. 129
9.4
After connecting the electrical wiring to the indoor unit .............................................................................................. 129
10.1
Overview: Configuration................................................................................................................................................. 131
10.1.1
To access the most used commands ............................................................................................................. 132
10.1.2
To connect the PC cable to the switch box.................................................................................................... 134
10.2
Configuration wizard....................................................................................................................................................... 134
10.3
Possible screens .............................................................................................................................................................. 136
10.3.1
Possible screens: Overview ............................................................................................................................ 136
10.3.2
Home screen................................................................................................................................................... 137
Table of contents
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97
131
Installer reference guide
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