Daikin RXF25E5V1B Manual

Daikin Not categorized RXF25E5V1B

Read below 📖 the manual in Italian for Daikin RXF25E5V1B (87 pages) in the Not categorized category. This guide has been helpful for 7 people and has been rated 4.5 stars on average by 2 users

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Installer reference guide

R32 split series

RXF20E5V1B

RXF25E5V1B

RXF35E5V1B

RXF42E5V1B

ARXF20E5V1B

ARXF25E5V1B

ARXF35E5V1B

ARXF42E5V1B

Table of contents

Installer reference guide

RXF20~42E5V1B+ARXF20~42E5V1B

R32 split series

4P519439-21V – 2022.10

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 21

4.1 Overview: About the box................................................................................................................................................ 21

4.2 Outdoor unit ................................................................................................................................................................... 21

4.2.1 To unpack the outdoor unit ........................................................................................................................... 21

4.2.2 To remove the accessories from the outdoor unit........................................................................................ 22

5 About the units and options 24

5.1 Overview: About the units and options.......................................................................................................................... 24

5.2 Identification ................................................................................................................................................................... 24

5.2.1 Identification label: Outdoor unit .................................................................................................................. 24

6 Unit installation 25

6.1 Preparing the installation site......................................................................................................................................... 25

6.1.1 Installation site requirements of the outdoor unit........................................................................................ 26

6.1.2 Additional installation site requirements of the outdoor unit in cold climates............................................ 28

6.2 Opening the units ........................................................................................................................................................... 29

6.2.1 About opening the units................................................................................................................................. 29

6.2.2 To open the outdoor unit............................................................................................................................... 29

6.3 Mounting the outdoor unit............................................................................................................................................. 29

6.3.1 About mounting the outdoor unit ................................................................................................................. 29

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 ............................................................................................................................. 30

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

6.3.6 To prevent the outdoor unit from falling over .............................................................................................. 31

7 Piping installation 33

7.1 Preparing refrigerant piping ........................................................................................................................................... 33

7.1.1 Refrigerant piping requirements.................................................................................................................... 33

7.1.2 Refrigerant piping length and height difference ........................................................................................... 33

7.1.3 Refrigerant piping insulation.......................................................................................................................... 34

7.2 Connecting the refrigerant piping .................................................................................................................................. 34

7.2.1 About connecting the refrigerant piping ....................................................................................................... 34

7.2.2 Precautions when connecting the refrigerant piping.................................................................................... 34

7.2.3 Guidelines when connecting the refrigerant piping ...................................................................................... 36

7.2.4 Pipe bending guidelines ................................................................................................................................. 36

7.2.5 To flare the pipe end ...................................................................................................................................... 36

7.2.6 Using the stop valve and service port............................................................................................................ 37

7.2.7 To connect the refrigerant piping to the outdoor unit ................................................................................. 38

7.3 Checking the refrigerant piping ...................................................................................................................................... 39

7.3.1 About checking the refrigerant piping........................................................................................................... 39

7.3.2 Precautions when checking the refrigerant piping........................................................................................ 39

7.3.3 To check for leaks........................................................................................................................................... 40

7.3.4 To perform vacuum drying............................................................................................................................. 40

7.4 Charging refrigerant........................................................................................................................................................ 41

7.4.1 About charging refrigerant............................................................................................................................. 41

7.4.2 About the refrigerant ..................................................................................................................................... 42

7.4.3 To determine the additional refrigerant amount.......................................................................................... 43

7.4.4 To determine the complete recharge amount.............................................................................................. 43

7.4.5 To charge additional refrigerant .................................................................................................................... 44

7.4.6 To fix the fluorinated greenhouse gases label............................................................................................... 44

Table of contents

Installer reference guide

RXF20~42E5V1B+ARXF20~42E5V1B

R32 split series

4P519439-21V – 2022.10

8 Electrical installation 45

8.1 Preparing electrical wiring .............................................................................................................................................. 45

8.1.1 About preparing electrical wiring................................................................................................................... 45

8.2 Connecting the electrical wiring ..................................................................................................................................... 46

8.2.1 About connecting the electrical wiring.......................................................................................................... 46

8.2.2 Precautions when connecting the electrical wiring....................................................................................... 46

8.2.3 Guidelines when connecting the electrical wiring......................................................................................... 47

8.2.4 Specifications of standard wiring components.............................................................................................. 48

8.2.5 To connect the electrical wiring to the outdoor unit .................................................................................... 48

9 Finishing the outdoor unit installation 50

9.1 To finish the outdoor unit installation............................................................................................................................ 50

9.2 To close the outdoor unit ............................................................................................................................................... 50

10 Commissioning 51

10.1 Overview: Commissioning .............................................................................................................................................. 51

10.2 Precautions when commissioning.................................................................................................................................. 51

10.3 Checklist before commissioning..................................................................................................................................... 51

10.4 Checklist during commissioning ..................................................................................................................................... 52

10.5 To perform a test run...................................................................................................................................................... 52

10.6 Starting up the outdoor unit........................................................................................................................................... 53

11 Hand-over to the user 54

12 Maintenance and service 55

12.1 Overview: Maintenance and service .............................................................................................................................. 55

12.2 Maintenance safety precautions .................................................................................................................................... 55

12.3 Checklist for yearly maintenance of the outdoor unit ................................................................................................... 55

13 Troubleshooting 57

13.1 Overview: Troubleshooting ............................................................................................................................................ 57

13.2 Precautions when troubleshooting ................................................................................................................................ 57

13.3 Solving problems based on symptoms ........................................................................................................................... 57

13.3.1 Symptom: Indoor units fall, vibrate or make noise ....................................................................................... 57

13.3.2 Symptom: The unit is NOT heating or cooling as expected........................................................................... 58

13.3.3 Symptom: Water leakage ............................................................................................................................... 58

13.3.4 Symptom: Electrical leakage .......................................................................................................................... 58

13.3.5 Symptom: Unit does NOT function or burn damage..................................................................................... 58

14 Disposal 59

14.1 Overview: Disposal.......................................................................................................................................................... 59

14.2 To pump down ................................................................................................................................................................ 59

14.3 To start and stop forced cooling..................................................................................................................................... 60

14.3.1 To start and stop forced cooling using the indoor unit ON/OFF switch ....................................................... 60

14.3.2 To start and stop forced cooling using the indoor unit user interface ......................................................... 60

15 Technical data 61

15.1 Wiring diagram................................................................................................................................................................ 62

16 Glossary 63