Daikin CHYHBH08AFV32 [3/220] Table of contents

Daikin CHYHBH08AFV32 [3/220] Table of contents
Table of contents
Installer reference guide
3
CHYHBH05+08AF + EHYKOMB33A
Daikin Altherma R Hybrid
4P471761-1E – 2020.10
7.3.2 Precautions when mounting the indoor unit................................................................................................. 53
7.3.3 To install the indoor unit ................................................................................................................................ 53
7.4 Mounting the gas boiler.................................................................................................................................................. 54
7.4.1 To install the gas boiler .................................................................................................................................. 54
7.4.2 To install the condensate trap ....................................................................................................................... 56
7.5 Condensate pipe work .................................................................................................................................................... 57
7.5.1 Internal connections....................................................................................................................................... 57
7.5.2 External connections ...................................................................................................................................... 59
7.6 Connecting the refrigerant piping .................................................................................................................................. 59
7.6.1 About connecting the refrigerant piping ....................................................................................................... 59
7.6.2 Precautions when connecting the refrigerant piping.................................................................................... 60
7.6.3 Guidelines when connecting the refrigerant piping...................................................................................... 61
7.6.4 Pipe bending guidelines ................................................................................................................................. 61
7.6.5 To flare the pipe end ...................................................................................................................................... 62
7.6.6 To braze the pipe end..................................................................................................................................... 62
7.6.7 Using the stop valve and service port............................................................................................................ 63
7.6.8 Usage of reducers to connect the piping to the outdoor unit ...................................................................... 64
7.6.9 To connect the refrigerant piping to the indoor unit .................................................................................... 65
7.7 Checking the refrigerant piping...................................................................................................................................... 65
7.7.1 About checking the refrigerant piping........................................................................................................... 65
7.7.2 Precautions when checking the refrigerant piping........................................................................................ 66
7.7.3 To check for leaks ........................................................................................................................................... 66
7.7.4 To perform vacuum drying............................................................................................................................. 67
7.8 Charging refrigerant........................................................................................................................................................ 68
7.8.1 About charging refrigerant............................................................................................................................. 68
7.8.2 About the refrigerant ..................................................................................................................................... 68
7.8.3 Precautions when charging refrigerant ......................................................................................................... 69
7.8.4 To determine the additional refrigerant amount.......................................................................................... 69
7.8.5 To determine the complete recharge amount.............................................................................................. 69
7.8.6 To charge additional refrigerant .................................................................................................................... 70
7.8.7 To fix the fluorinated greenhouse gases label............................................................................................... 70
7.9 Connecting water piping................................................................................................................................................. 71
7.9.1 About connecting the water piping ............................................................................................................... 71
7.9.2 Precautions when connecting the water piping............................................................................................ 71
7.9.3 Connecting the water piping of the indoor unit............................................................................................ 71
7.9.4 Connecting the water piping of the gas boiler .............................................................................................. 73
7.9.5 To fill the space heating circuit ...................................................................................................................... 74
7.9.6 To fill the domestic water circuit of the gas boiler........................................................................................ 75
7.9.7 To fill the domestic hot water tank................................................................................................................ 75
7.9.8 To insulate the water piping .......................................................................................................................... 75
7.10 Connecting the electrical wiring..................................................................................................................................... 76
7.10.1 About connecting the electrical wiring.......................................................................................................... 76
7.10.2 Precautions when connecting the electrical wiring....................................................................................... 76
7.10.3 Guidelines when connecting the electrical wiring......................................................................................... 76
7.10.4 To connect the electrical wiring to the indoor unit....................................................................................... 77
7.10.5 To connect the main power supply of the indoor unit.................................................................................. 78
7.10.6 To connect the main power supply of the gas boiler .................................................................................... 79
7.10.7 To connect the communication cable between gas boiler and indoor unit ................................................. 80
7.10.8 To connect the user interface ........................................................................................................................ 81
7.10.9 To connect the shut-off valve ........................................................................................................................ 83
7.10.10 To connect the domestic hot water pump .................................................................................................... 83
7.10.11 To connect the alarm output ......................................................................................................................... 84
7.10.12 To connect the space heating ON/OFF output.............................................................................................. 84
7.10.13 To connect the safety thermostat (normally closed contact) ....................................................................... 85
7.11 Connecting the gas piping .............................................................................................................................................. 86
7.11.1 To connect the gas pipe ................................................................................................................................. 86
7.12 Connecting the boiler to the flue gas system................................................................................................................. 87
7.12.1 To change the gas boiler to 80/125 concentric connection.......................................................................... 87
7.12.2 To change the 60/100 concentric connection to a dual pipe connection .................................................... 88
7.12.3 Calculate the total piping length.................................................................................................................... 89
7.12.4 Appliance categories and pipe lengths .......................................................................................................... 90
7.12.5 Applicable materials ....................................................................................................................................... 94
7.12.6 Flue pipe position ........................................................................................................................................... 95
7.12.7 Insulation of the gas exhaust and air intake .................................................................................................. 96
7.12.8 Fitting a horizontal flue system...................................................................................................................... 96
7.12.9 Fitting a vertical flue system .......................................................................................................................... 97
7.12.10 Plume management kit .................................................................................................................................. 97
7.12.11 Flues in voids .................................................................................................................................................. 98
7.13 Finishing the outdoor unit installation ........................................................................................................................... 99

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