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EHYKOMB33AA3
Руководство по применению для установщика Страница: 2

Daikin EHYKOMB33AA3 [2/108] General safety precautions 3

Table of contents

Installer reference guide

CHYHBH05+08AA + EHYKOMB33A

Daikin hybrid for multi heat pump – heat pump module

4P471761-1A – 2017.10

Table of contents

1 General safety precautions 3

1.1 About the documentation .......................................................... 3

1.1.1 Meaning of warnings and symbols.............................. 3

1.2 For the installer.......................................................................... 4

1.2.1 General ....................................................................... 4

1.2.2 Installation site ............................................................ 4

1.2.3 Refrigerant .................................................................. 5

1.2.4 Water .......................................................................... 6

1.2.5 Electrical ..................................................................... 6

1.2.6 Gas ............................................................................. 7

1.2.7 Gas exhaust................................................................ 7

1.2.8 Local legislation .......................................................... 7

2 About the product 7

3 About the documentation 8

3.1 About this document.................................................................. 8

3.2 Installer reference guide at a glance ......................................... 8

4 About the box 8

4.1 Overview: About the box ........................................................... 8

4.2 Indoor unit ................................................................................. 9

4.2.1 To unpack the indoor unit ........................................... 9

4.2.2 To remove the accessories from the indoor unit......... 9

4.3 Gas boiler .................................................................................. 9

4.3.1 To unpack the gas boiler............................................. 9

4.3.2 To remove the accessories from the gas boiler.......... 10

5 About the units and options 10

5.1 Overview: About the units and options...................................... 10

5.2 Identification .............................................................................. 10

5.2.1 Identification label: Indoor unit .................................... 10

5.2.2 Identification label: gas boiler...................................... 11

5.3 Combining units and options ..................................................... 11

5.3.1 Possible options for the indoor unit............................. 11

5.3.2 Possible options for the gas boiler.............................. 12

5.3.3 Possible combinations of indoor unit and outdoor

unit .............................................................................. 15

5.3.4 Possible combinations of indoor unit and domestic

hot water tank ............................................................. 15

6 Preparation 15

6.1 Overview: Preparation............................................................... 15

6.2 Preparing the installation site .................................................... 15

6.2.1 Installation site requirements of the indoor unit .......... 15

6.3 Preparing refrigerant piping....................................................... 17

6.3.1 Refrigerant piping requirements.................................. 17

6.3.2 Refrigerant piping insulation ....................................... 17

6.4 Preparing water piping .............................................................. 18

6.4.1 Water circuit requirements .......................................... 18

6.4.2 Formula to calculate the expansion vessel pre-

pressure ...................................................................... 19

6.4.3 To check the water volume and flow rate ................... 19

6.4.4 Changing the pre-pressure of the expansion vessel... 20

6.4.5 To check the water volume: Examples ....................... 20

6.5 Preparing electrical wiring ......................................................... 20

6.5.1 About preparing electrical wiring................................. 20

6.5.2 Overview of electrical connections except external

actuators ..................................................................... 21

6.5.3 Overview of electrical connections for external and

internal actuators ........................................................ 21

7 Installation 22

7.1 Overview: Installation ................................................................ 22

7.2 Opening the units ...................................................................... 22

7.2.1 About opening the units .............................................. 22

7.2.2 To open the switch box cover of the indoor unit ......... 22

7.2.3 To open the gas boiler ................................................. 23

7.2.4 To open the switch box cover of the gas boiler............ 23

7.3 Mounting the indoor unit............................................................. 23

7.3.1 About mounting the indoor unit.................................... 23

7.3.2 Precautions when mounting the indoor unit................. 23

7.3.3 To install the indoor unit............................................... 23

7.4 Mounting the gas boiler .............................................................. 24

7.4.1 To install the gas boiler ................................................ 24

7.4.2 To install the condensate trap...................................... 24

7.5 Condensate pipe work................................................................ 25

7.5.1 Internal connections..................................................... 25

7.5.2 External connections.................................................... 26

7.6 Connecting the refrigerant piping ............................................... 26

7.6.1 About connecting the refrigerant piping ....................... 26

7.6.2 Precautions when connecting the refrigerant piping.... 26

7.6.3 Guidelines when connecting the refrigerant piping...... 27

7.6.4 Pipe bending guidelines............................................... 27

7.6.5 To flare the pipe end .................................................... 27

7.6.6 To braze the pipe end .................................................. 27

7.6.7 Using the stop valve and service port .......................... 27

7.6.8 Usage of reducers to connect the piping to the

outdoor unit .................................................................. 28

7.6.9 To connect the refrigerant piping to the indoor unit ..... 28

7.7 Checking the refrigerant piping .................................................. 29

7.7.1 About checking the refrigerant piping .......................... 29

7.7.2 Precautions when checking the refrigerant piping ....... 29

7.7.3 To check for leaks........................................................ 29

7.7.4 To perform vacuum drying ........................................... 29

7.8 Charging refrigerant ................................................................... 29

7.8.1 About charging refrigerant ........................................... 29

7.8.2 About the refrigerant .................................................... 30

7.8.3 Precautions when charging refrigerant ........................ 30

7.8.4 To determine the additional refrigerant amount........... 30

7.8.5 To determine the complete recharge amount.............. 30

7.8.6 To charge additional refrigerant ................................... 30

7.8.7 To fix the fluorinated greenhouse gases label ............. 31

7.9 Connecting the water piping....................................................... 31

7.9.1 About connecting the water piping............................... 31

7.9.2 Precautions when connecting the water piping............ 31

7.9.3 Connecting the water piping of the indoor unit............. 31

7.9.4 Connecting the water piping of the gas boiler.............. 32

7.9.5 To fill the space heating circuit..................................... 33

7.9.6 To fill the domestic water circuit of the gas boiler ........ 33

7.9.7 To fill the domestic hot water tank ............................... 33

7.9.8 To insulate the water piping ......................................... 33

7.10 Connecting the electrical wiring.................................................. 33

7.10.1 About connecting the electrical wiring.......................... 33

7.10.2 Precautions when connecting the electrical wiring ...... 33

7.10.3 Guidelines when connecting the electrical wiring ........ 33

7.10.4 To connect the electrical wiring on the indoor unit....... 34

7.10.5 To connect the main power supply of the indoor unit .. 34

7.10.6 To connect the main power supply of the gas boiler.... 35

7.10.7 To connect the communication cable between gas

boiler and indoor unit ................................................... 35

7.10.8 To connect the user interface ...................................... 36

7.10.9 To connect the shut-off valve....................................... 37

7.10.10 To connect the domestic hot water pump .................... 37

7.10.11 To connect the alarm output ........................................ 37

7.10.12 To connect the space heating ON/OFF output ............ 37

7.10.13 To connect the safety thermostat (normal closed

contact) ........................................................................ 38

7.11 Connecting the gas piping.......................................................... 38

7.11.1 To connect the gas pipe............................................... 38

7.12 Connecting the boiler to the flue gas system ............................. 38

7.12.1 To change the gas boiler to 80/125 concentric

connection.................................................................... 39

7.12.2 To change the 60/100 concentric connection to a

dual pipe connection .................................................... 39

7.12.3 Calculate the total piping length................................... 39

7.12.4 Appliance categories and pipe lengths ........................ 40

Daikin EHYKOMB33AA3 [2/108] General safety precautions 3

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