Daikin RXF35C5V1B Handleiding

Daikin Airco RXF35C5V1B

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Pagina 1/64

Installer reference guide

R32 split series

RXF20C5V1B

RXF25C5V1B

RXF35C5V1B

RXF42C5V1B

ARXF20C5V1B

ARXF25C5V1B

ARXF35C5V1B

ARXF42C5V1B

Table of contents

Installer reference guide

(A)RXF20~42C5V1B

R32 split series

4P519439-10J – 2021.06

Table of contents

1 About the documentation 4

1.1 About this document ...................................................................................................................................................... 4

1.2 Installer reference guide at a glance .............................................................................................................................. 5

2 General safety precautions 6

2.1 About the documentation .............................................................................................................................................. 6

2.1.1 Meaning of warnings and symbols ................................................................................................................ 6

2.2 For the installer............................................................................................................................................................... 7

2.2.1 General ........................................................................................................................................................... 7

2.2.2 Installation site ............................................................................................................................................... 8

2.2.3 Refrigerant — in case of R410A or R32.......................................................................................................... 11

2.2.4 Electrical ......................................................................................................................................................... 13

3 Specific installer safety instructions 16

4 About the box 18

4.1 Overview: About the box ................................................................................................................................................ 18

4.2 Outdoor unit ................................................................................................................................................................... 18

4.2.1 To unpack the outdoor unit ........................................................................................................................... 18

4.2.2 To remove the accessories from the outdoor unit........................................................................................ 19

5 About the units and options 21

5.1 Overview: About the units and options.......................................................................................................................... 21

5.2 Identification ................................................................................................................................................................... 21

5.2.1 Identification label: Outdoor unit .................................................................................................................. 21

6 Unit installation 22

6.1 Preparing the installation site......................................................................................................................................... 22

6.1.1 Installation site requirements of the outdoor unit........................................................................................ 23

6.1.2 Additional installation site requirements of the outdoor unit in cold climates............................................ 25

6.2 Opening the units ........................................................................................................................................................... 26

6.2.1 About opening the units................................................................................................................................. 26

6.2.2 To open the outdoor unit............................................................................................................................... 26

6.3 Mounting the outdoor unit............................................................................................................................................. 26

6.3.1 About mounting the outdoor unit ................................................................................................................. 26

6.3.2 Precautions when mounting the outdoor unit.............................................................................................. 27

6.3.3 To provide the installation structure ............................................................................................................. 27

6.3.4 To install the outdoor unit ............................................................................................................................. 27

6.3.5 To provide drainage........................................................................................................................................ 28

6.3.6 To prevent the outdoor unit from falling over .............................................................................................. 28

7 Piping installation 30

7.1 Preparing refrigerant piping ........................................................................................................................................... 30

7.1.1 Refrigerant piping requirements.................................................................................................................... 30

7.1.2 Refrigerant piping length and height difference ........................................................................................... 30

7.1.3 Refrigerant piping insulation.......................................................................................................................... 31

7.2 Connecting the refrigerant piping .................................................................................................................................. 31

7.2.1 About connecting the refrigerant piping ....................................................................................................... 31

7.2.2 Precautions when connecting the refrigerant piping.................................................................................... 31

7.2.3 Guidelines when connecting the refrigerant piping...................................................................................... 33

7.2.4 Pipe bending guidelines ................................................................................................................................. 33

7.2.5 To flare the pipe end ...................................................................................................................................... 33

7.2.6 Using the stop valve and service port............................................................................................................ 34

7.2.7 To connect the refrigerant piping to the outdoor unit ................................................................................. 36

7.3 Checking the refrigerant piping...................................................................................................................................... 36

7.3.1 About checking the refrigerant piping........................................................................................................... 36

7.3.2 Precautions when checking the refrigerant piping........................................................................................ 37

7.3.3 To check for leaks ........................................................................................................................................... 37

7.3.4 To perform vacuum drying............................................................................................................................. 37

7.4 Charging refrigerant........................................................................................................................................................ 39

7.4.1 About charging refrigerant............................................................................................................................. 39

7.4.2 About the refrigerant ..................................................................................................................................... 40

7.4.3 To determine the additional refrigerant amount.......................................................................................... 40

7.4.4 To determine the complete recharge amount.............................................................................................. 41

7.4.5 To charge additional refrigerant .................................................................................................................... 41

7.4.6 To fix the fluorinated greenhouse gases label............................................................................................... 41