Daikin 2AMXM50M3V1B Manual de Usario

Daikin No categorizado 2AMXM50M3V1B

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Installer reference guide

R32 Split series

2MXM40M4V1B

2MXM50M3V1B9

2AMXM40M4V1B

2AMXM50M4V1B

2AMXF40A2V1B

2AMXF50A2V1B

2MXF40A2V1B

2MXF50A2V1B

2MXM40N2V1B

2MXM50N2V1B

Table of contents

Installer reference guide

2(A)MXM40+50 + 2(A)MXF40+50

R32 Split series

4P600463-2C – 2020.08

Table of contents

1 About the documentation 4

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

2 General safety precautions 5

2.1 About the documentation .............................................................................................................................................. 5

2.1.1 Meaning of warnings and symbols ................................................................................................................ 5

2.2 For the installer............................................................................................................................................................... 6

2.2.1 General ........................................................................................................................................................... 6

2.2.2 Installation site ............................................................................................................................................... 7

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

2.2.4 Brine................................................................................................................................................................ 12

2.2.5 Water .............................................................................................................................................................. 13

2.2.6 Electrical ......................................................................................................................................................... 13

3 Specific installer safety instructions 16

4 About the box 22

4.1 Overview: About the box................................................................................................................................................ 22

4.2 Outdoor unit ................................................................................................................................................................... 22

4.2.1 To unpack the outdoor unit ........................................................................................................................... 22

4.2.2 To remove the accessories from the outdoor unit........................................................................................ 23

5 About the unit 25

5.1 Overview: About the unit ............................................................................................................................................... 25

5.2 Identification ................................................................................................................................................................... 25

5.2.1 Identification label: Outdoor unit .................................................................................................................. 25

6 Unit installation 26

6.1 Preparing the installation site......................................................................................................................................... 26

6.1.1 Installation site requirements of the outdoor unit........................................................................................ 27

6.1.2 Additional installation site requirements of the outdoor unit in cold climates............................................ 29

6.2 Opening the unit ............................................................................................................................................................. 30

6.2.1 About opening the unit .................................................................................................................................. 30

6.2.2 To open the outdoor unit............................................................................................................................... 30

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.............................................................................................. 31

6.3.3 To provide the installation structure ............................................................................................................. 31

6.3.4 To install the outdoor unit ............................................................................................................................. 32

6.3.5 To provide drainage........................................................................................................................................ 32

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 Refrigerant piping insulation.......................................................................................................................... 35

7.1.3 Refrigerant piping length and height difference ........................................................................................... 35

7.2 Connecting the refrigerant piping .................................................................................................................................. 36

7.2.1 About connecting the refrigerant piping ....................................................................................................... 36

7.2.2 Precautions when connecting the refrigerant piping.................................................................................... 36

7.2.3 Guidelines when connecting the refrigerant piping...................................................................................... 38

7.2.4 Pipe bending guidelines ................................................................................................................................. 38

7.2.5 To flare the pipe end ...................................................................................................................................... 38

7.2.6 Connections between outdoor and indoor unit using reducers................................................................... 39

7.2.7 Using the stop valve and service port............................................................................................................ 40

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

7.3 Checking the refrigerant piping...................................................................................................................................... 42

7.3.1 About checking the refrigerant piping........................................................................................................... 42

7.3.2 Precautions when checking the refrigerant piping........................................................................................ 43

7.3.3 To check for leaks........................................................................................................................................... 43

7.3.4 To perform vacuum drying............................................................................................................................. 44

8 Charging refrigerant 46

8.1 About charging refrigerant ............................................................................................................................................. 46

8.2 About the refrigerant...................................................................................................................................................... 47

8.3 Precautions when charging refrigerant.......................................................................................................................... 48

8.4 To determine the additional refrigerant amount .......................................................................................................... 48

Table of contents

Installer reference guide

2(A)MXM40+50 + 2(A)MXF40+50

R32 Split series

4P600463-2C – 2020.08

8.5 To determine the complete recharge amount .............................................................................................................. 48

8.6 To charge additional refrigerant..................................................................................................................................... 48

8.7 To fix the fluorinated greenhouse gases label ............................................................................................................... 49

9 Electrical installation 50

9.1 About connecting the electrical wiring .......................................................................................................................... 50

9.1.1 Precautions when connecting the electrical wiring....................................................................................... 50

9.1.2 Guidelines when connecting the electrical wiring......................................................................................... 52

9.1.3 Specifications of standard wiring components.............................................................................................. 53

9.2 To connect the electrical wiring to the outdoor unit..................................................................................................... 53

10 Finishing the outdoor unit installation 55

10.1 To finish the outdoor unit installation............................................................................................................................ 55

10.2 To close the outdoor unit ............................................................................................................................................... 55

11 Configuration 56

11.1 About ECONO mode prohibition setting........................................................................................................................ 56

11.1.1 To turn on ECONO mode prohibition setting ................................................................................................ 56

11.2 About night quiet mode.................................................................................................................................................. 57

11.2.1 To turn on the night quiet mode.................................................................................................................... 57

11.3 About heat mode lock .................................................................................................................................................... 57

11.3.1 To turn on heat mode lock ............................................................................................................................. 57

11.4 About standby electricity saving function...................................................................................................................... 58

11.4.1 To turn on standby electricity saving function .............................................................................................. 58

12 Commissioning 59

12.1 Overview: Commissioning .............................................................................................................................................. 59

12.2 Precautions when commissioning .................................................................................................................................. 59

12.3 Checklist before commissioning ..................................................................................................................................... 59

12.4 Checklist during commissioning ..................................................................................................................................... 60

12.5 Trial operation and testing ............................................................................................................................................. 60

12.5.1 To perform a test run ..................................................................................................................................... 60

12.6 Starting up the outdoor unit........................................................................................................................................... 61

13 Hand-over to the user 62

14 Maintenance and service 63

14.1 Overview: Maintenance and service .............................................................................................................................. 63

14.2 Maintenance safety precautions.................................................................................................................................... 63

14.3 Checklist for yearly maintenance of the outdoor unit................................................................................................... 63

14.4 About the compressor.................................................................................................................................................... 64

15 Troubleshooting 65

15.1 Overview: Troubleshooting ............................................................................................................................................ 65

15.2 Precautions when troubleshooting ................................................................................................................................ 65

15.3 Solving problems based on symptoms........................................................................................................................... 65

15.3.1 Symptom: Indoor units fall, vibrate or make noise ....................................................................................... 65

15.3.2 Symptom: The unit is NOT heating or cooling as expected........................................................................... 66

15.3.3 Symptom: Water leakage............................................................................................................................... 66

15.3.4 Symptom: Electrical leakage .......................................................................................................................... 66

15.3.5 Symptom: Unit does NOT function or burn damage..................................................................................... 66

15.4 Solving problems based on LED behaviour .................................................................................................................... 66

15.4.1 Fault diagnosis using LED on outdoor unit PCB............................................................................................. 66

16 Disposal 68

16.1 Overview: Disposal.......................................................................................................................................................... 68

16.2 To pump down ................................................................................................................................................................ 68

16.3 To start and stop forced cooling..................................................................................................................................... 69

16.3.1 To start and stop forced cooling using the indoor unit ON/OFF switch ....................................................... 69

16.3.2 To start and stop forced cooling using the indoor unit user interface ......................................................... 69

17 Technical data 70

17.1 Wiring diagram................................................................................................................................................................ 70

17.1.1 Unified wiring diagram legend ....................................................................................................................... 70

17.2 Piping diagram: Outdoor unit......................................................................................................................................... 72

18 Glossary 74