Daikin EVLQ08CAV3 [2/252] About the documentation 18
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Daikin EVLQ08CAV3 [2/252] About the documentation 18

Daikin EVLQ08CAV3 [2/252] About the documentation 18
Table of contents
Installer reference guide
2
EVLQ05+08CAV3 + EHYHBH05AF + EHYHBH/X08AF + EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1F – 2020.10
Table of contents
1 General safety precautions 6
1.1 About the documentation .............................................................................................................................................. 6
1.1.1 Meaning of warnings and symbols ................................................................................................................ 6
1.2 For the installer............................................................................................................................................................... 7
1.2.1 General ........................................................................................................................................................... 7
1.2.2 Installation site ............................................................................................................................................... 8
1.2.3 Refrigerant — in case of R410A or R32.......................................................................................................... 9
1.2.4 Water .............................................................................................................................................................. 11
1.2.5 Electrical ......................................................................................................................................................... 11
1.2.6 Gas .................................................................................................................................................................. 13
1.2.7 Gas exhaust..................................................................................................................................................... 14
1.2.8 Local legislation .............................................................................................................................................. 14
2 About the product 16
3 About the documentation 18
3.1 About this document ...................................................................................................................................................... 18
3.2 Installer reference guide at a glance .............................................................................................................................. 19
4 About the box 20
4.1 Overview: About the box ................................................................................................................................................ 20
4.2 Outdoor unit ................................................................................................................................................................... 20
4.2.1 To unpack the outdoor unit ........................................................................................................................... 20
4.2.2 To remove the accessories from the outdoor unit........................................................................................ 21
4.3 Indoor unit ...................................................................................................................................................................... 22
4.3.1 To unpack the indoor unit.............................................................................................................................. 22
4.3.2 To remove the accessories from the indoor unit .......................................................................................... 23
4.4 Gas boiler ........................................................................................................................................................................ 23
4.4.1 To unpack the gas boiler ................................................................................................................................ 23
4.4.2 To remove the accessories from the gas boiler............................................................................................. 24
5 About the units and options 26
5.1 Overview: About the units and options.......................................................................................................................... 26
5.2 Identification ................................................................................................................................................................... 26
5.2.1 Identification label: Outdoor unit .................................................................................................................. 26
5.2.2 Identification label: Indoor unit ..................................................................................................................... 27
5.2.3 Identification label: Gas boiler ....................................................................................................................... 27
5.3 Combining units and options.......................................................................................................................................... 29
5.3.1 Possible options for the outdoor unit............................................................................................................ 29
5.3.2 Possible options for the indoor unit............................................................................................................... 30
5.3.3 Possible options for the gas boiler................................................................................................................. 33
5.3.4 Possible combinations of indoor unit and outdoor unit................................................................................ 38
5.3.5 Possible combinations of indoor unit and domestic hot water tank ............................................................ 39
6 Preparation 40
6.1 Overview: Preparation.................................................................................................................................................... 40
6.2 Preparing the installation site......................................................................................................................................... 40
6.2.1 Installation site requirements of the outdoor unit........................................................................................ 40
6.2.2 Additional installation site requirements of the outdoor unit in cold climates............................................ 42
6.2.3 Installation site requirements of the indoor unit .......................................................................................... 43
6.3 Preparing refrigerant piping ........................................................................................................................................... 44
6.3.1 Refrigerant piping requirements.................................................................................................................... 44
6.3.2 Refrigerant piping insulation.......................................................................................................................... 44
6.4 Preparing water piping ................................................................................................................................................... 44
6.4.1 Water circuit requirements............................................................................................................................ 45
6.4.2 Formula to calculate the expansion vessel pre-pressure.............................................................................. 48
6.4.3 To check the water volume and flow rate ..................................................................................................... 48
6.4.4 Changing the pre-pressure of the expansion vessel...................................................................................... 50
6.4.5 To check the water volume: Examples .......................................................................................................... 51
6.5 Preparing electrical wiring .............................................................................................................................................. 51
6.5.1 About preparing electrical wiring................................................................................................................... 51
6.5.2 About preferential kWh rate power supply................................................................................................... 52
6.5.3 Overview of electrical connections except external actuators ..................................................................... 53
6.5.4 Overview of electrical connections for external and internal actuators....................................................... 54
7 Installation 56

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