Daikin CHYHBH08AFV32 [2/220] Installer reference guide

Daikin CHYHBH08AFV32 [2/220] Installer reference guide
Table of contents
Installer reference guide
2
CHYHBH05+08AF + EHYKOMB33A
Daikin Altherma R Hybrid
4P471761-1E – 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 Indoor unit ...................................................................................................................................................................... 20
4.2.1 To unpack the indoor unit.............................................................................................................................. 20
4.2.2 To remove the accessories from the indoor unit .......................................................................................... 21
4.3 Gas boiler ........................................................................................................................................................................ 22
4.3.1 To unpack the gas boiler ................................................................................................................................ 22
4.3.2 To remove the accessories from the gas boiler............................................................................................. 23
5 About the units and options 25
5.1 Overview: About the units and options.......................................................................................................................... 25
5.2 Identification ................................................................................................................................................................... 25
5.2.1 Identification label: Indoor unit ..................................................................................................................... 25
5.2.2 Identification label: Gas boiler ....................................................................................................................... 26
5.3 Combining units and options.......................................................................................................................................... 27
5.3.1 Possible options for the indoor unit............................................................................................................... 27
5.3.2 Possible options for the gas boiler................................................................................................................. 29
5.3.3 Possible combinations of indoor unit and outdoor unit................................................................................ 35
5.3.4 Possible combinations of indoor unit and domestic hot water tank ............................................................ 35
6 Preparation 36
6.1 Overview: Preparation.................................................................................................................................................... 36
6.2 Preparing the installation site......................................................................................................................................... 36
6.2.1 Installation site requirements of the indoor unit .......................................................................................... 36
6.3 Preparing refrigerant piping ........................................................................................................................................... 39
6.3.1 Refrigerant piping requirements.................................................................................................................... 39
6.3.2 Refrigerant piping insulation.......................................................................................................................... 40
6.4 Preparing water piping ................................................................................................................................................... 40
6.4.1 Water circuit requirements............................................................................................................................ 40
6.4.2 Formula to calculate the expansion vessel pre-pressure.............................................................................. 43
6.4.3 To check the water volume and flow rate ..................................................................................................... 44
6.4.4 Changing the pre-pressure of the expansion vessel...................................................................................... 46
6.4.5 To check the water volume: Examples .......................................................................................................... 47
6.5 Preparing electrical wiring .............................................................................................................................................. 47
6.5.1 About preparing electrical wiring................................................................................................................... 47
6.5.2 Overview of electrical connections except external actuators ..................................................................... 48
6.5.3 Overview of electrical connections for external and internal actuators....................................................... 48
7 Installation 50
7.1 Overview: Installation ..................................................................................................................................................... 50
7.2 Opening the units ........................................................................................................................................................... 50
7.2.1 About opening the units................................................................................................................................. 50
7.2.2 To open the switch box cover of the indoor unit .......................................................................................... 51
7.2.3 To open the gas boiler.................................................................................................................................... 52
7.2.4 To open the switch box cover of the gas boiler............................................................................................. 52
7.3 Mounting the indoor unit ............................................................................................................................................... 52
7.3.1 About mounting the indoor unit.................................................................................................................... 52

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