Table of contents
User reference guide
2
EJHA04AAV3 + NHY2KOMB28+32AA
Daikin Altherma Hybrid hydrosplit heat pump
4P556862-1A – 2020.10
Table of contents
1 General safety precautions 4
1.1 About the documentation .............................................................................................................................................. 4
1.1.1 Meaning of warnings and symbols ................................................................................................................ 4
1.2 For the user..................................................................................................................................................................... 5
2 About this document 7
3 About the system 9
3.1 About freeze protection ................................................................................................................................................. 9
3.2 Components in a typical system layout.......................................................................................................................... 9
4 Operation 11
4.1 Overview: Operation....................................................................................................................................................... 11
4.2 The user interface at a glance ........................................................................................................................................ 12
4.2.1 Buttons............................................................................................................................................................ 12
4.2.2 Status icons..................................................................................................................................................... 13
4.3 Basic usage ...................................................................................................................................................................... 14
4.3.1 Using home pages .......................................................................................................................................... 14
4.3.2 Using the menu structure .............................................................................................................................. 14
4.3.3 Turning ON/OFF controls ............................................................................................................................... 15
4.4 Space heating control ..................................................................................................................................................... 16
4.4.1 About space heating control .......................................................................................................................... 16
4.4.2 Setting the space operation mode................................................................................................................. 16
4.4.3 Determining which temperature control you are using................................................................................ 16
4.4.4 Room thermostat control - About room thermostat control........................................................................ 17
4.4.5 Room thermostat control - Using the room temperature home pages ....................................................... 18
4.4.6 Room thermostat control - Using the leaving water temperature home pages .......................................... 21
4.4.7 Leaving water temperature control - About leaving water temperature control ........................................ 23
4.4.8 Leaving water temperature control - Using leaving water temperature control according to a schedule . 23
4.4.9 Leaving water temperature control - Using leaving water temperature control NOT according to a
schedule.......................................................................................................................................................... 23
4.4.10 External room thermostat control - About external room thermostat control............................................ 24
4.4.11 External room thermostat control - Using external room thermostat control ............................................ 24
4.5 Domestic hot water control............................................................................................................................................ 24
4.5.1 About domestic hot water control................................................................................................................. 24
4.5.2 Instant DHW (no tank installed)..................................................................................................................... 24
4.5.3 Tank................................................................................................................................................................. 25
4.6 Advanced usage .............................................................................................................................................................. 30
4.6.1 About changing the user permission level..................................................................................................... 30
4.6.2 Using quiet mode ........................................................................................................................................... 30
4.6.3 Using holiday mode........................................................................................................................................ 31
4.6.4 Reading out information ................................................................................................................................ 34
4.6.5 Configuring date, time, units of measurement, contrast and backlight ....................................................... 35
4.6.6 Configuring user profile and home pages...................................................................................................... 35
4.6.7 Locking and unlocking buttons and functions ............................................................................................... 36
4.7 Preset values and schedules........................................................................................................................................... 37
4.7.1 Using preset values......................................................................................................................................... 37
4.7.2 Using and programming schedules................................................................................................................ 38
4.7.3 Schedules: Example........................................................................................................................................ 39
4.7.4 Predefined schedules: Room temperature + leaving water temperature (main) ........................................ 40
4.7.5 Predefined schedules: DHWtank temperature............................................................................................. 41
4.8 Weather dependent operation ...................................................................................................................................... 41
4.8.1 To set the weather dependent settings......................................................................................................... 41
4.9 Menu structure: Overview user settings........................................................................................................................ 43
4.10 Installer settings: Tables to be filled in by installer........................................................................................................ 44
4.10.1 Quick wizard ................................................................................................................................................... 44
4.10.2 Space heating control..................................................................................................................................... 44
4.10.3 Domestic hot water control [A.4] .................................................................................................................. 45
4.10.4 Contact/helpdesk number [6.3.2].................................................................................................................. 45
5 Setting the energy prices 46
5.1 To set the fuel price ........................................................................................................................................................ 46
5.2 To set the electricity price .............................................................................................................................................. 46
5.3 To set the electricity price schedule timer..................................................................................................................... 47
5.4 About energy prices in case of an incentive per kWh renewable energy ..................................................................... 47
5.4.1 To set the fuel price in case of an incentive per kWh renewable energy..................................................... 47
