Daikin Altherma EHFH03S18D 3V Series, Installer'S Reference Manual

Page: 2 / 216

Table of contents
Installer reference guide
2
E EHFH03S18D
Daikin Altherma 3 R F
4P596806-1C – 2022.09
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 unpack the outdoor unit ........................................................................................................................... 22
4.1.2 To handle the outdoor unit ............................................................................................................................ 22
4.1.3 To remove the accessories from the outdoor unit........................................................................................ 23
4.2 Indoor unit ...................................................................................................................................................................... 23
4.2.1
To unpack the indoor unit.............................................................................................................................. 23
4.2.2 To remove the accessories from the indoor unit .......................................................................................... 24
4.2.3 To handle the indoor unit............................................................................................................................... 24
5 About the units and options 25
5.1 Identification ................................................................................................................................................................... 25
5.1.1
Identification label: Outdoor unit .................................................................................................................. 25
5.1.2 Identification label: Indoor unit ..................................................................................................................... 25
5.2 Combining units and options.......................................................................................................................................... 26
5.2.1
Possible combinations of indoor unit and outdoor unit................................................................................ 26
5.2.2 Possible options for the outdoor unit ............................................................................................................ 26
5.2.3 Possible options for the indoor unit............................................................................................................... 26
6 Application guidelines 29
6.1 Overview: Application guidelines ................................................................................................................................... 29
6.2 Setting up the space heating/cooling system ................................................................................................................ 30
6.2.1
Single room..................................................................................................................................................... 31
6.2.2 Multiple rooms – One LWT zone ................................................................................................................... 35
6.2.3 Multiple rooms – Two LWT zones.................................................................................................................. 39
6.3 Setting up an auxiliary heat source for space heating ................................................................................................... 42
6.4 Setting up the domestic hot water tank......................................................................................................................... 45
6.4.1
System layout – Integrated DHW tank........................................................................................................... 45
6.4.2 Selecting the desired temperature for the DHW tank .................................................................................. 45
6.4.3 Setup and configuration – DHW tank ............................................................................................................ 46
6.4.4 DHW pump for instant hot water .................................................................................................................. 47
6.4.5 DHW pump for disinfection ........................................................................................................................... 47
6.5 Setting up the energy metering...................................................................................................................................... 48
6.5.1
Produced heat ................................................................................................................................................ 48
6.5.2 Consumed energy........................................................................................................................................... 48
6.5.3 Normal kWh rate power supply ..................................................................................................................... 49
6.5.4 Preferential kWh rate power supply.............................................................................................................. 50
6.6 Setting up the power consumption control ................................................................................................................... 51
6.6.1
Permanent power limitation .......................................................................................................................... 51
6.6.2 Power limitation activated by digital inputs .................................................................................................. 52
6.6.3 Power limitation process................................................................................................................................ 53
6.7 Setting up an external temperature sensor ................................................................................................................... 54
7 Unit installation 55
7.1 Preparing the installation site......................................................................................................................................... 55
7.1.1
Installation site requirements of the outdoor unit........................................................................................ 56
7.1.2 Additional installation site requirements of the outdoor unit in cold climates............................................ 58
7.1.3 Installation site requirements of the indoor unit .......................................................................................... 59
7.2 Opening and closing the units ........................................................................................................................................ 61
7.2.1
About opening the units................................................................................................................................. 61
7.2.2 To open the outdoor unit............................................................................................................................... 61
7.2.3 To close the outdoor unit............................................................................................................................... 61