Table of contents
Installer reference guide
2
EPRA14~18D + ETVZ16S18+23E
Daikin Altherma 3 H HT F
4P644739-1A – 2022.03
Table of contents
1 About this document 6
1.1 Meaning of warnings and symbols................................................................................................................................. 7
1.2 Installer reference guide at a glance .............................................................................................................................. 8
2 General safety precautions 10
2.1 For the installer............................................................................................................................................................... 10
2.1.1 General ........................................................................................................................................................... 10
2.1.2 Installation site ............................................................................................................................................... 11
2.1.3 Refrigerant — in case of R410A or R32.......................................................................................................... 11
2.1.4 Water .............................................................................................................................................................. 13
2.1.5 Electrical ......................................................................................................................................................... 13
3 Specific installer safety instructions 16
4 About the box 22
4.1 Outdoor unit ................................................................................................................................................................... 22
4.1.1 To handle the outdoor unit............................................................................................................................ 22
4.1.2 To unpack the outdoor unit ........................................................................................................................... 24
4.1.3 To remove the accessories from the outdoor unit........................................................................................ 25
4.2 Indoor unit ...................................................................................................................................................................... 26
4.2.1 To unpack the indoor unit.............................................................................................................................. 26
4.2.2 To remove the accessories from the indoor unit .......................................................................................... 26
4.2.3 To handle the indoor unit............................................................................................................................... 26
5 About the units and options 28
5.1 Identification ................................................................................................................................................................... 28
5.1.1 Identification label: Outdoor unit .................................................................................................................. 28
5.1.2 Identification label: Indoor unit ..................................................................................................................... 29
5.2 Combining units and options.......................................................................................................................................... 29
5.2.1 Possible combinations of indoor unit and outdoor unit................................................................................ 29
5.2.2 Possible options for the outdoor unit............................................................................................................ 29
5.2.3 Possible options for the indoor unit............................................................................................................... 30
6 Application guidelines 33
6.1 Overview: Application guidelines ................................................................................................................................... 33
6.2 Setting up the space heating/cooling system ................................................................................................................ 34
6.2.1 Multiple rooms – TwoLWT zones.................................................................................................................. 35
6.3 Setting up an auxiliary heat source for space heating ................................................................................................... 37
6.4 Setting up the domestic hot water tank......................................................................................................................... 40
6.4.1 System layout – Integrated DHW tank........................................................................................................... 40
6.4.2 Selecting the volume and desired temperature for the DHW tank .............................................................. 40
6.4.3 Setup and configuration – DHW tank ............................................................................................................ 42
6.4.4 DHW pump for instant hot water .................................................................................................................. 42
6.4.5 DHW pump for disinfection ........................................................................................................................... 43
6.5 Setting up the energy metering...................................................................................................................................... 43
6.5.1 Produced heat ................................................................................................................................................ 44
6.5.2 Consumed energy........................................................................................................................................... 44
6.5.3 Normal kWh rate power supply ..................................................................................................................... 45
6.5.4 Preferential kWh rate power supply.............................................................................................................. 46
6.6 Setting up the power consumption control ................................................................................................................... 47
6.6.1 Permanent power limitation.......................................................................................................................... 48
6.6.2 Power limitation activated by digital inputs .................................................................................................. 49
6.6.3 Power limitation process................................................................................................................................ 50
6.6.4 BBR16 power limitation.................................................................................................................................. 50
6.7 Setting up an external temperature sensor ................................................................................................................... 51
7 Unit installation 53
7.1 Preparing the installation site......................................................................................................................................... 53
7.1.1 Installation site requirements of the outdoor unit........................................................................................ 54
7.1.2 Additional installation site requirements of the outdoor unit in cold climates............................................ 56
7.1.3 Installation site requirements of the indoor unit .......................................................................................... 56
7.2 Opening and closing the units ........................................................................................................................................ 57
7.2.1 About opening the units................................................................................................................................. 57
7.2.2 To open the outdoor unit............................................................................................................................... 58
7.2.3 To remove the transportation stay................................................................................................................ 58
7.2.4 To attach the compressor cover piece .......................................................................................................... 59