Daikin Altherma R Hybrid Installer's Reference Manual page 3

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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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Installer reference guide

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