About this document ......................................................................................................................................................

1.2

Meaning of warnings and symbols.................................................................................................................................

1.3

Installer reference guide at a glance ..............................................................................................................................

2 General safety precautions

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

4 About the box

4.1

Overview: About the box ................................................................................................................................................ 21

4.2

Outdoor unit ................................................................................................................................................................... 21

4.2.1

To handle the outdoor unit ............................................................................................................................ 21

4.2.2

To unpack the outdoor unit ........................................................................................................................... 23

4.2.3

To remove the accessories from the outdoor unit........................................................................................ 24

4.3

Indoor unit ...................................................................................................................................................................... 24

4.3.1

To unpack the indoor unit.............................................................................................................................. 25

4.3.2

To remove the accessories from the indoor unit .......................................................................................... 25

4.3.3

To handle the indoor unit............................................................................................................................... 26

5 About the units and options

5.1

Overview: About the units and options.......................................................................................................................... 27

5.2

Identification ................................................................................................................................................................... 27

5.2.1

Identification label: Outdoor unit .................................................................................................................. 27

5.2.2

Identification label: Indoor unit ..................................................................................................................... 28

5.3

Combining units and options.......................................................................................................................................... 28

5.3.1

Possible combinations of indoor unit and outdoor unit................................................................................ 28

5.3.2

Possible options for the outdoor unit ............................................................................................................ 29

5.3.3

Possible options for the indoor unit............................................................................................................... 29

6 Application guidelines

6.1

Overview: Application guidelines ................................................................................................................................... 33

6.2

Setting up the space heating/cooling system ................................................................................................................ 34

6.2.1

Single room..................................................................................................................................................... 35

6.2.2

Multiple rooms - One LWT zone ................................................................................................................... 39

6.2.3

Multiple rooms - Two LWT zones.................................................................................................................. 44

6.3

Setting up bivalent heat sources .................................................................................................................................... 48

6.3.1

Setting up a direct auxiliary heat source for space heating .......................................................................... 48

6.3.2

Setting up an indirect auxiliary heat source for domestic hot water and space heating ............................. 51

6.3.3

Setting up a solar system via drainback connection...................................................................................... 52

6.3.4

Setting up a solar system via bivalent heat exchanger.................................................................................. 53

6.3.5

Setting up an electric backup heater ............................................................................................................. 53

6.4

Setting up the storage tank ............................................................................................................................................ 54

6.4.1

System layout - Integrated storage tank....................................................................................................... 54

6.4.2

Selecting the volume and desired temperature for the storage tank .......................................................... 54

6.4.3

Setup and configuration - storage tank......................................................................................................... 55

6.4.4

DHW pump for instant hot water .................................................................................................................. 56

6.4.5

DHW pump for disinfection ........................................................................................................................... 56

6.5

Setting up the energy metering...................................................................................................................................... 57

6.5.1

Produced heat ................................................................................................................................................ 57

6.5.2

Consumed energy........................................................................................................................................... 57

6.5.3

Normal kWh rate power supply ..................................................................................................................... 58

6.5.4

Preferential kWh rate power supply.............................................................................................................. 59

6.6

Setting up the power consumption control ................................................................................................................... 60

6.6.1

Permanent power limitation .......................................................................................................................... 61

6.6.2

Power limitation activated by digital inputs .................................................................................................. 61

6.6.3

Power limitation process................................................................................................................................ 63

6.6.4

BBR16 power limitation.................................................................................................................................. 63

6.7

Setting up an external temperature sensor ................................................................................................................... 64

EPRA08~12EAV3+W1 + ETSH/X(B)12P30+50EF

Daikin Altherma 3 H MT ECH₂O

4P663478-1 - 2021.07