Daikin EPRA18DAW1 Installer's Reference Manual page 3
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Also See for EPRA18DAW1:
- Installer's reference manual (308 pages) ,
- Installation manual (40 pages) ,
- Installer's reference manual (288 pages)
Table of Contents
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EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W
Daikin Altherma 3 H HT F
4P587503-1A - 2020.01
6.2.3
To remove the transportation stay ................................................................................................................ 49
6.2.4
To close the outdoor unit............................................................................................................................... 49
6.2.5
To open the indoor unit ................................................................................................................................. 50
6.2.6
To lower the switch box on the indoor unit .................................................................................................. 52
6.2.7
To close the indoor unit ................................................................................................................................. 53
6.3
Mounting the outdoor unit............................................................................................................................................. 53
6.3.1
About mounting the outdoor unit ................................................................................................................. 53
6.3.2
Precautions when mounting the outdoor unit .............................................................................................. 53
6.3.3
To provide the installation structure ............................................................................................................. 53
6.3.4
To install the outdoor unit ............................................................................................................................. 54
6.3.5
To provide drainage........................................................................................................................................ 55
6.3.6
To install the discharge grille.......................................................................................................................... 57
6.3.7
To remove the discharge grille, and put the grille in safety position............................................................ 58
6.4
Mounting the indoor unit ............................................................................................................................................... 60
6.4.1
About mounting the indoor unit.................................................................................................................... 60
6.4.2
Precautions when mounting the indoor unit................................................................................................. 60
6.4.3
To install the indoor unit ................................................................................................................................ 60
6.4.4
To connect the drain hose to the drain ......................................................................................................... 61
7.1
Preparing water piping ................................................................................................................................................... 63
7.1.1
Water circuit requirements............................................................................................................................ 63
7.1.2
Formula to calculate the expansion vessel pre-pressure .............................................................................. 65
7.1.3
To check the water volume and flow rate ..................................................................................................... 65
7.1.4
Changing the pre-pressure of the expansion vessel...................................................................................... 68
7.1.5
To check the water volume: Examples .......................................................................................................... 68
7.2
Connecting water piping................................................................................................................................................. 69
7.2.1
About connecting the water piping ............................................................................................................... 69
7.2.2
Precautions when connecting the water piping............................................................................................ 69
7.2.3
To connect the water piping .......................................................................................................................... 69
7.2.4
To connect the recirculation piping ............................................................................................................... 72
7.2.5
To fill the water circuit ................................................................................................................................... 72
7.2.6
To protect the water circuit against freezing ................................................................................................ 73
7.2.7
To fill the domestic hot water tank................................................................................................................ 76
7.2.8
To insulate the water piping .......................................................................................................................... 76
8.1
About connecting the electrical wiring .......................................................................................................................... 78
8.1.1
Precautions when connecting the electrical wiring....................................................................................... 78
8.1.2
Guidelines when connecting the electrical wiring......................................................................................... 79
8.1.3
About electrical compliance........................................................................................................................... 80
8.1.4
About preferential kWh rate power supply................................................................................................... 80
8.1.5
Overview of electrical connections except external actuators ..................................................................... 81
8.2
Connections to the outdoor unit.................................................................................................................................... 82
8.2.1
To connect the electrical wiring to the outdoor unit .................................................................................... 82
8.2.2
To reposition the air thermistor on the outdoor unit ................................................................................... 88
8.3
Connections to the indoor unit ...................................................................................................................................... 89
8.3.1
To connect the main power supply................................................................................................................ 92
8.3.2
To connect the backup heater power supply ................................................................................................ 94
8.3.3
To connect the shut-off valve ........................................................................................................................ 96
8.3.4
To connect the electricity meters .................................................................................................................. 97
8.3.5
To connect the domestic hot water pump .................................................................................................... 98
8.3.6
To connect the alarm output ......................................................................................................................... 99
8.3.7
To connect the space cooling/heating ON/OFF output................................................................................. 100
8.3.8
To connect the changeover to external heat source..................................................................................... 101
8.3.9
To connect the power consumption digital inputs........................................................................................ 102
8.3.10
To connect the safety thermostat (normally closed contact) ....................................................................... 103
8.4
After connecting the electrical wiring to the indoor unit .............................................................................................. 105
9.1
Overview: Configuration................................................................................................................................................. 107
9.1.1
To access the most used commands ............................................................................................................. 108
9.2
Configuration wizard....................................................................................................................................................... 110
9.3
Possible screens .............................................................................................................................................................. 111
9.3.1
Possible screens: Overview ............................................................................................................................ 111
9.3.2
Home screen................................................................................................................................................... 112
9.3.3
Main menu screen.......................................................................................................................................... 115
9.3.4
Menu screen................................................................................................................................................... 116
9.3.5
Setpoint screen............................................................................................................................................... 116
9.3.6
Detailed screen with values ........................................................................................................................... 117
Table of contents
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78
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Installer reference guide
3
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