Daikin RXYQ20U7Y1B Bedienungsanleitung
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RXYQ20U7Y1B
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Installation and operation manual
VRV IV+ heat pump
English
Installation and operation manual
VRV IV+ heat pump
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Table of contents
Installation and operation manual
2
RYYQ+RYMQ+RXYQ
VRV IV+ heat pump
4P546220-1F – 2023.01
Table of contents
1 About the documentation 3
1.1 About this document.................................................................. 3
2 Specific installer safety instructions 3
For the user 4
3 User safety instructions 4
3.1 General...................................................................................... 5
3.2 Instructions for safe operation ................................................... 5
4 About the system 6
4.1 System layout............................................................................ 6
5 User interface 7
6 Operation 7
6.1 Operation range ........................................................................ 7
6.2 Operating the system ................................................................ 7
6.2.1 About operating the system ........................................ 7
6.2.2 About cooling, heating, fan only, and automatic
operation ..................................................................... 7
6.2.3 About the heating operation........................................ 7
6.2.4 To operate the system (WITHOUT cool/heat
changeover remote control switch) ............................. 7
6.2.5 To operate the system (WITH cool/heat changeover
remote control switch)................................................. 8
6.3 Using the dry program............................................................... 8
6.3.1 About the dry program ................................................ 8
6.3.2 To use the dry program (WITHOUT cool/heat
changeover remote control switch) ............................. 8
6.3.3 To use the dry program (WITH cool/heat changeover
remote control switch)................................................. 8
6.4 Adjusting the air flow direction................................................... 8
6.4.1 About the air flow flap ................................................. 8
6.5 Setting the master user interface .............................................. 9
6.5.1 About setting the master user interface ...................... 9
7 Maintenance and service 9
7.1 About the refrigerant.................................................................. 9
7.2 After-sales service and warranty ............................................... 10
7.2.1 Warranty period .......................................................... 10
7.2.2 Recommended maintenance and inspection.............. 10
8 Troubleshooting 10
8.1 Error codes: Overview............................................................... 10
8.2 Symptoms that are NOT system malfunctions .......................... 11
8.2.1 Symptom: The system does not operate .................... 11
8.2.2 Symptom: Cool/Heat cannot be changed over ........... 11
8.2.3 Symptom: Fan operation is possible, but cooling and
heating do not work..................................................... 11
8.2.4 Symptom: The fan speed does not correspond to the
setting ......................................................................... 12
8.2.5 Symptom: The fan direction does not correspond to
the setting ................................................................... 12
8.2.6 Symptom: White mist comes out of a unit (Indoor
unit) ............................................................................. 12
8.2.7 Symptom: White mist comes out of a unit (Indoor
unit, outdoor unit) ........................................................ 12
8.2.8 Symptom: The user interface reads "U4" or "U5" and
stops, but then restarts after a few minutes ................ 12
8.2.9 Symptom: Noise of air conditioners (Indoor unit)........ 12
8.2.10 Symptom: Noise of air conditioners (Indoor unit,
outdoor unit)................................................................ 12
8.2.11 Symptom: Noise of air conditioners (Outdoor unit) ..... 12
8.2.12 Symptom: Dust comes out of the unit ......................... 12
8.2.13 Symptom: The units can give off odours..................... 12
8.2.14 Symptom: The outdoor unit fan does not spin ............ 12
8.2.15 Symptom: The display shows "88"............................... 12
8.2.16 Symptom: The compressor in the outdoor unit does
not stop after a short heating operation ....................... 12
8.2.17 Symptom: The inside of an outdoor unit is warm
even when the unit has stopped .................................. 12
8.2.18 Symptom: Hot air can be felt when the indoor unit is
stopped ........................................................................ 12
9 Relocation 12
10 Disposal 12
For the installer 13
11 About the box 13
11.1
About ............................................................................ 13
11.2 To remove the accessories from the outdoor unit ...................... 13
11.3 Accessory pipes: Diameters ....................................................... 13
11.4 To remove the transportation stay.............................................. 13
12 About the units and options 14
12.1 About the outdoor unit ................................................................ 14
12.2 System layout ............................................................................. 14
13 Unit installation 14
13.1 Preparing the installation site ..................................................... 14
13.1.1 Installation site requirements of the outdoor unit ......... 14
13.1.2 Additional installation site requirements of the
outdoor unit in cold climates ........................................ 14
13.2 Opening the unit ......................................................................... 14
13.2.1 To open the outdoor unit.............................................. 14
13.2.2 To open the electrical component box of the outdoor
unit ............................................................................... 15
13.3 Mounting the outdoor unit........................................................... 15
13.3.1 To provide the installation structure ............................. 15
14 Piping installation 16
14.1 Preparing refrigerant piping ........................................................ 16
14.1.1 Refrigerant piping requirements................................... 16
14.1.2 To select the piping size .............................................. 16
14.1.3 To select refrigerant branch kits................................... 17
14.1.4 Multiple outdoor units: Possible layouts....................... 18
14.2 Connecting the refrigerant piping ............................................... 19
14.2.1 To route the refrigerant piping...................................... 19
14.2.2 To connect the refrigerant piping to the outdoor unit ... 19
14.2.3 To connect the multi connection piping kit ................... 19
14.2.4 To connect the refrigerant branching kit ...................... 19
14.2.5 To protect against contamination................................. 20
14.2.6 Using the stop valve and service port .......................... 20
14.2.7 To remove the spun pipes ........................................... 20
14.3 Checking the refrigerant piping .................................................. 21
14.3.1 About checking the refrigerant piping .......................... 21
14.3.2 Checking refrigerant piping: General guidelines .......... 22
14.3.3 Checking refrigerant piping: Setup............................... 22
14.3.4 To perform a leak test .................................................. 22
14.3.5 To perform vacuum drying ........................................... 22
14.3.6 To insulate the refrigerant piping ................................. 22
14.4 Charging refrigerant ................................................................... 23
14.4.1 Precautions when charging refrigerant ........................ 23
14.4.2 About charging refrigerant ........................................... 23
14.4.3 To determine the additional refrigerant amount ........... 23
14.4.4 To charge refrigerant: Flow chart................................. 25
14.4.5 To charge refrigerant ................................................... 26
14.4.6 Step 6a: To automatically charge refrigerant ............... 27
14.4.7 Step 6b: To manually charge refrigerant...................... 28
14.4.8 Error codes when charging refrigerant......................... 28
14.4.9 Checks after charging refrigerant................................. 28
14.4.10 To fix the fluorinated greenhouse gases label ............. 28
15 Electrical installation 28
Produktspezifikationen
| Marke: | Daikin |
| Kategorie: | Nicht kategorisiert |
| Modell: | RXYQ20U7Y1B |
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