Daikin RZASG125MUV Bruksanvisning

Daikin Luftkonditionering RZASG125MUV

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Installer reference guide

Sky Air Advance-series

RZASG100MUV

RZASG125MUV

RZASG140MUV

RZASG100MUY

RZASG125MUY

RZASG140MUY

Table of contents

Installer reference guide

RZASG100~140MUV/Y

Sky Air Advance-series

4P743506-1 – 2023.08

Table of contents

1 About this document 4

1.1 Meaning of warnings and symbols................................................................................................................................. 4

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

2 General safety precautions 7

2.1 For the installer............................................................................................................................................................... 7

2.1.1 General ........................................................................................................................................................... 7

2.1.2 Installation site ............................................................................................................................................... 8

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

2.1.4 Electrical ......................................................................................................................................................... 12

3 Specific installer safety instructions 15

4 About the box 20

4.1 Outdoor unit ................................................................................................................................................................... 20

4.1.1 To unpack the outdoor unit ........................................................................................................................... 20

4.1.2 To handle the outdoor unit............................................................................................................................ 20

4.1.3 To remove the accessories from the outdoor unit........................................................................................ 21

5 About the units and options 22

5.1 Identification ................................................................................................................................................................... 22

5.1.1 Identification label: Outdoor unit .................................................................................................................. 22

5.2 Combining units and options.......................................................................................................................................... 23

5.2.1 Possible options for the outdoor unit............................................................................................................ 23

6 Unit installation 24

6.1 Preparing the installation site......................................................................................................................................... 24

6.1.1 Installation site requirements of the outdoor unit........................................................................................ 24

6.1.2 Additional installation site requirements of the outdoor unit in cold climates............................................ 27

6.2 Opening and closing the unit.......................................................................................................................................... 27

6.2.1 About opening the units................................................................................................................................. 27

6.2.2 To open the outdoor unit............................................................................................................................... 27

6.2.3 To close the outdoor unit............................................................................................................................... 29

6.3 Mounting the outdoor unit............................................................................................................................................. 30

6.3.1 About mounting the outdoor unit ................................................................................................................. 30

6.3.2 Precautions when mounting the outdoor unit.............................................................................................. 30

6.3.3 To provide the installation structure ............................................................................................................. 30

6.3.4 To install the outdoor unit ............................................................................................................................. 31

6.3.5 To provide drainage........................................................................................................................................ 31

6.3.6 To prevent the outdoor unit from falling over .............................................................................................. 33

7 Piping installation 34

7.1 Preparing refrigerant piping ........................................................................................................................................... 34

7.1.1 Refrigerant piping requirements.................................................................................................................... 34

7.1.2 Definitions: L1~L7, H1, H2.............................................................................................................................. 35

7.1.3 Refrigerant piping material ............................................................................................................................ 35

7.1.4 Refrigerant piping diameter........................................................................................................................... 35

7.1.5 Refrigerant piping length and height difference ........................................................................................... 36

7.1.6 Refrigerant piping insulation.......................................................................................................................... 37

7.2 Connecting the refrigerant piping .................................................................................................................................. 37

7.2.1 About connecting the refrigerant piping ....................................................................................................... 37

7.2.2 Precautions when connecting the refrigerant piping.................................................................................... 38

7.2.3 Guidelines when connecting the refrigerant piping...................................................................................... 39

7.2.4 Pipe bending guidelines ................................................................................................................................. 39

7.2.5 To flare the pipe end ...................................................................................................................................... 39

7.2.6 To braze the pipe end..................................................................................................................................... 40

7.2.7 Using the stop valve and service port............................................................................................................ 41

7.2.8 To connect the refrigerant piping to the outdoor unit ................................................................................. 42

7.3 Checking the refrigerant piping...................................................................................................................................... 46

7.3.1 About checking the refrigerant piping........................................................................................................... 46

7.3.2 Precautions when checking the refrigerant piping........................................................................................ 46

7.3.3 Checking refrigerant piping: Setup ................................................................................................................ 47

7.3.4 To perform a leak test .................................................................................................................................... 47

7.3.5 To perform vacuum drying............................................................................................................................. 48

8 Electrical installation 49

8.1 About connecting the electrical wiring .......................................................................................................................... 49