Daikin Altherma 3 H HT F Installer's Reference Manual page 3
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Also See for Altherma 3 H HT F:
- Installer's reference manual (248 pages) ,
- User reference manual (68 pages) ,
- Installation manual (44 pages)
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EPRA14~18D + ETVH16SU18+23E
Daikin Altherma 3 H HT F
4P644738-1A - 2022.03
7.2
Opening and closing the units ........................................................................................................................................ 68
7.2.1
About opening the units................................................................................................................................. 68
7.2.2
To open the outdoor unit............................................................................................................................... 68
7.2.3
To remove the transportation stay ................................................................................................................ 69
7.2.4
To attach the compressor cover piece .......................................................................................................... 70
7.2.5
To close the outdoor unit............................................................................................................................... 71
7.2.6
To open the indoor unit ................................................................................................................................. 71
7.2.7
To lower the switch box on the indoor unit .................................................................................................. 73
7.2.8
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 ............................................................................................................................. 75
7.3.5
To provide drainage........................................................................................................................................ 76
7.3.6
To install the discharge grille.......................................................................................................................... 78
7.3.7
To remove the discharge grille, and put the grille in safety position............................................................ 79
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 water piping ................................................................................................................................................... 84
8.1.1
Water circuit requirements............................................................................................................................ 84
8.1.2
Formula to calculate the expansion vessel pre-pressure .............................................................................. 88
8.1.3
To check the water volume and flow rate ..................................................................................................... 88
8.1.4
Changing the pre-pressure of the expansion vessel...................................................................................... 90
8.1.5
To check the water volume: Examples .......................................................................................................... 91
8.2
Connecting water piping................................................................................................................................................. 91
8.2.1
About connecting the water piping ............................................................................................................... 91
8.2.2
Precautions when connecting the water piping............................................................................................ 92
8.2.3
To connect the water piping .......................................................................................................................... 92
8.2.4
To connect the water piping for domestic hot water.................................................................................... 95
8.2.5
To connect the recirculation piping ............................................................................................................... 98
8.2.6
To fill the water circuit ................................................................................................................................... 98
8.2.7
To protect the water circuit against freezing ................................................................................................ 98
8.2.8
To fill the domestic hot water tank................................................................................................................ 102
8.2.9
To insulate the water piping .......................................................................................................................... 102
9.1
About connecting the electrical wiring .......................................................................................................................... 104
9.1.1
Precautions when connecting the electrical wiring....................................................................................... 104
9.1.2
Guidelines when connecting the electrical wiring......................................................................................... 105
9.1.3
About electrical compliance........................................................................................................................... 107
9.1.4
About preferential kWh rate power supply................................................................................................... 107
9.1.5
Overview of electrical connections except external actuators ..................................................................... 108
9.2
Connections to the outdoor unit.................................................................................................................................... 108
9.2.1
To connect the electrical wiring to the outdoor unit .................................................................................... 109
9.2.2
To reposition the air thermistor on the outdoor unit ................................................................................... 115
9.3
Connections to the indoor unit ...................................................................................................................................... 116
9.3.1
To connect the main power supply................................................................................................................ 119
9.3.2
To connect the backup heater power supply ................................................................................................ 121
9.3.3
To connect the shut-off valve ........................................................................................................................ 123
9.3.4
To connect the electricity meters .................................................................................................................. 124
9.3.5
To connect the domestic hot water pump .................................................................................................... 125
9.3.6
To connect the alarm output ......................................................................................................................... 126
9.3.7
To connect the space cooling/heating ON/OFF output................................................................................. 127
9.3.8
To connect the changeover to external heat source..................................................................................... 128
9.3.9
To connect the power consumption digital inputs........................................................................................ 129
9.3.10
To connect the safety thermostat (normally closed contact) ....................................................................... 130
9.3.11
To connect a Smart Grid................................................................................................................................. 131
9.3.12
To connect the WLAN cartridge (delivered as accessory)............................................................................. 135
9.4
After connecting the electrical wiring to the indoor unit .............................................................................................. 135
10.1
Overview: Configuration................................................................................................................................................. 137
10.1.1
To access the most used commands ............................................................................................................. 138
10.1.2
To connect the PC cable to the switch box.................................................................................................... 140
Table of contents
84
104
137
Installer reference guide
3
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