Daikin REYQ20U7Y1B Bruksanvisning

Daikin Varmepumpe REYQ20U7Y1B

Les nedenfor 📖 manual på norsk for Daikin REYQ20U7Y1B (176 sider) i kategorien Varmepumpe. Denne guiden var nyttig for 2 personer og ble vurdert med 4.5 stjerner i gjennomsnitt av 2 brukere

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Installer and user reference guide

VRV IV+ heat recovery

REYQ8U7Y1B

REYQ10U7Y1B

REYQ12U7Y1B

REYQ14U7Y1B

REYQ16U7Y1B

REYQ18U7Y1B

REYQ20U7Y1B

REMQ5U7Y1B

Table of contents

Installer and user reference guide

REYQ8~20+REMQ5U7Y1B

VRV IV+ heat recovery

4P561154-1A – 2020.10

Table of contents

1 About the documentation 6

1.1 About this document ...................................................................................................................................................... 6

1.2 Meaning of warnings and symbols................................................................................................................................. 6

2 General safety precautions 8

2.1 For the installer............................................................................................................................................................... 8

2.1.1 General ........................................................................................................................................................... 8

2.1.2 Installation site ............................................................................................................................................... 9

2.1.3 Refrigerant — in case of R410A or R32.......................................................................................................... 9

2.1.4 Electrical ......................................................................................................................................................... 11

3 Specific installer safety instructions 14

For the user 17

4 User safety instructions 18

4.1 General............................................................................................................................................................................ 18

4.2 Instructions for safe operation ....................................................................................................................................... 19

5 About the system 22

5.1 System layout.................................................................................................................................................................. 22

6 User interface 24

7 Before operation 25

8 Operation 26

8.1 Operation range.............................................................................................................................................................. 26

8.2 Operating the system ..................................................................................................................................................... 26

8.2.1 About operating the system........................................................................................................................... 26

8.2.2 About cooling, heating, fan only, and automatic operation ......................................................................... 27

8.2.3 About the heating operation.......................................................................................................................... 27

8.2.4 To operate the system (WITHOUT cool/heat changeover remote control switch)...................................... 28

8.2.5 To operate the system (WITH cool/heat changeover remote control switch)............................................. 28

8.3 Using the dry program.................................................................................................................................................... 29

8.3.1 About the dry program................................................................................................................................... 29

8.3.2 To use the dry program (WITHOUT cool/heat changeover remote control switch) .................................... 29

8.3.3 To use the dry program (WITH cool/heat changeover remote control switch) ........................................... 30

8.4 Adjusting the air flow direction ...................................................................................................................................... 30

8.4.1 About the air flow flap.................................................................................................................................... 30

8.5 Setting the master user interface................................................................................................................................... 31

8.5.1 About setting the master user interface........................................................................................................ 31

8.5.2 To designate the master user interface (VRV DX and Hydrobox) ................................................................. 32

8.6 About control systems .................................................................................................................................................... 32

9 Energy saving and optimum operation 33

9.1 Available main operation methods ................................................................................................................................ 33

9.2 Available comfort settings .............................................................................................................................................. 34

10 Maintenance and service 35

10.1 Maintenance after a long stop period............................................................................................................................ 35

10.2 Maintenance before a long stop period......................................................................................................................... 36

10.3 About the refrigerant...................................................................................................................................................... 36

10.4 After-sales service and warranty .................................................................................................................................... 36

10.4.1 Warranty period ............................................................................................................................................. 36

10.4.2 Recommended maintenance and inspection................................................................................................ 37

10.4.3 Recommended maintenance and inspection cycles ..................................................................................... 37

10.4.4 Shortened maintenance and replacement cycles ......................................................................................... 38

11 Troubleshooting 39

11.1 Error codes: Overview .................................................................................................................................................... 40

11.2 Symptoms that are NOT system malfunctions............................................................................................................... 43

11.2.1 Symptom: The system does not operate....................................................................................................... 43

11.2.2 Symptom: Cool/Heat cannot be changed over ............................................................................................. 43

11.2.3 Symptom: Fan operation is possible, but cooling and heating do not work ................................................ 43

11.2.4 Symptom: The fan speed does not correspond to the setting...................................................................... 43

Table of contents

Installer and user reference guide

REYQ8~20+REMQ5U7Y1B

VRV IV+ heat recovery

4P561154-1A – 2020.10

11.2.5 Symptom: The fan direction does not correspond to the setting................................................................. 43

11.2.6 Symptom: White mist comes out of a unit (Indoor unit) .............................................................................. 44

11.2.7 Symptom: White mist comes out of a unit (Indoor unit, outdoor unit)........................................................ 44

11.2.8 Symptom: The user interface reads "U4" or "U5" and stops, but then restarts after a few minutes.......... 44

11.2.9 Symptom: Noise of air conditioners (Indoor unit)......................................................................................... 44

11.2.10 Symptom: Noise of air conditioners (Indoor unit, outdoor unit) .................................................................. 44

11.2.11 Symptom: Noise of air conditioners (Outdoor unit)...................................................................................... 44

11.2.12 Symptom: Dust comes out of the unit........................................................................................................... 45

11.2.13 Symptom: The units can give off odours ....................................................................................................... 45

11.2.14 Symptom: The outdoor unit fan does not spin.............................................................................................. 45

11.2.15 Symptom: The display shows "88"................................................................................................................. 45

11.2.16 Symptom: The compressor in the outdoor unit does not stop after a short heating operation ................. 45

11.2.17 Symptom: The inside of an outdoor unit is warm even when the unit has stopped.................................... 45

11.2.18 Symptom: Hot air can be felt when the indoor unit is stopped.................................................................... 45

12 Relocation 46

13 Disposal 47

14 Technical data 48

14.1 Information requirements for Eco Design...................................................................................................................... 48

For the installer 49

15 About the box 50

15.1 About LOOP BY DAIKIN ................................................................................................................................................... 50

15.2 Overview: About the box ................................................................................................................................................ 50

15.3 To unpack the outdoor unit............................................................................................................................................ 51

15.4 To remove the accessories from the outdoor unit ........................................................................................................ 52

15.5 Accessory pipes: Diameters............................................................................................................................................ 52

15.6 To remove the transportation stay (only for 14+16 HP)................................................................................................ 53

15.7 To remove the transportation stay (only for 18+20 HP)................................................................................................ 54

16 About the units and options 55

16.1 Overview: About the units and options.......................................................................................................................... 55

16.2 Identification label: Outdoor unit................................................................................................................................... 55

16.3 About the outdoor unit................................................................................................................................................... 56

16.4 System layout.................................................................................................................................................................. 56

16.5 Combining units and options.......................................................................................................................................... 57

16.5.1 About combining units and options............................................................................................................... 57

16.5.2 Possible combinations of indoor units........................................................................................................... 58

16.5.3 Possible combinations of outdoor units ........................................................................................................ 58

16.5.4 Possible options for the outdoor unit............................................................................................................ 59

17 Unit installation 61

17.1 Preparing the installation site......................................................................................................................................... 61

17.1.1 Installation site requirements of the outdoor unit........................................................................................ 61

17.1.2 Additional installation site requirements of the outdoor unit in cold climates............................................ 63

17.1.3 Securing safety against refrigerant leaks ....................................................................................................... 64

17.2 Opening the unit ............................................................................................................................................................. 66

17.2.1 About opening the units................................................................................................................................. 66

17.2.2 To open the outdoor unit............................................................................................................................... 66

17.2.3 To open the electrical component box of the outdoor unit ......................................................................... 67

17.3 Mounting the outdoor unit............................................................................................................................................. 68

17.3.1 To provide the installation structure ............................................................................................................. 68

18 Piping installation 70

18.1 Preparing refrigerant piping ........................................................................................................................................... 70

18.1.1 Refrigerant piping requirements.................................................................................................................... 70

18.1.2 Refrigerant piping insulation.......................................................................................................................... 71

18.1.3 To select the piping size ................................................................................................................................. 71

18.1.4 To select refrigerant branch kits .................................................................................................................... 74

18.1.5 About the piping length.................................................................................................................................. 75

18.1.6 Single outdoor units and standard multi-outdoor-unit combinations >20 HP ............................................. 76

18.1.7 Standard multi-outdoor-unit combinations ≤20 HP and free multi-outdoor-unit combinations ................ 79

18.1.8 Multiple outdoor units: Possible layouts ....................................................................................................... 81

18.2 Connecting the refrigerant piping .................................................................................................................................. 83

18.2.1 About connecting the refrigerant piping ....................................................................................................... 83

18.2.2 Precautions when connecting the refrigerant piping.................................................................................... 83

18.2.3 Multiple outdoor units: Knockout holes ........................................................................................................ 84