Daikin RXYSQ4TAY1B, Installation And Operation Manual

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Table of Contents
Installation and operation manual
5
RXYSQ4~6TAY1B
VRV IV-S system air conditioner
4P482256-1 – 2017.03
Table of Contents
1 About the documentation 6
1.1 About this document.................................................................. 6
For the installer 6
2 About the box 6
2.1 Outdoor unit............................................................................... 6
2.1.1 To remove the accessories from the outdoor unit....... 6
3 About the units and options 6
3.1 About the outdoor unit ............................................................... 6
3.2 System layout ............................................................................ 7
4 Preparation 7
4.1 Preparing installation site .......................................................... 7
4.1.1 Installation site requirements of the outdoor unit ........ 7
4.1.2 Additional installation site requirements of the
outdoor unit in cold climates .......................................
7
4.2 Preparing refrigerant piping ....................................................... 7
4.2.1 Refrigerant piping requirements.................................. 7
4.2.2 Refrigerant piping material.......................................... 7
4.2.3 To select the piping size ............................................. 8
4.2.4 To select refrigerant branch kits.................................. 9
4.3 Preparing electrical wiring ......................................................... 9
4.3.1 Safety device requirements ........................................ 9
5 Installation 9
5.1 Opening the units ...................................................................... 9
5.1.1 To open the outdoor unit............................................. 9
5.2 Mounting the outdoor unit.......................................................... 9
5.2.1 To provide the installation structure ............................ 9
5.2.2 To install the outdoor unit............................................ 10
5.2.3 To provide drainage .................................................... 10
5.2.4 To prevent the outdoor unit from falling over .............. 10
5.3 Connecting the refrigerant piping .............................................. 10
5.3.1 Using the stop valve and service port ......................... 10
5.3.2 To remove the pinched pipes...................................... 11
5.3.3 To connect the refrigerant piping to the outdoor unit .. 12
5.4 Checking the refrigerant piping ................................................. 13
5.4.1 About checking the refrigerant piping ......................... 13
5.4.2 Checking refrigerant piping: General guidelines ......... 13
5.4.3 Checking refrigerant piping: Setup.............................. 13
5.4.4 To perform a leak test ................................................. 14
5.4.5 To perform vacuum drying .......................................... 14
5.5 To insulate the refrigerant piping............................................... 14
5.6 Charging refrigerant .................................................................. 14
5.6.1 Precautions when charging refrigerant ....................... 14
5.6.2 To determine the additional refrigerant amount .......... 15
5.6.3 To charge refrigerant .................................................. 15
5.6.4 Error codes when charging refrigerant........................ 16
5.6.5 To fix the fluorinated greenhouse gases label ............ 16
5.7 Connecting the electrical wiring................................................. 16
5.7.1 Field wiring: Overview................................................. 16
5.7.2 Guidelines when knocking out knockout holes ........... 16
5.7.3 Guidelines when connecting the electrical wiring ....... 17
5.7.4 To connect the electrical wiring on the outdoor unit.... 17
5.8 Finishing the outdoor unit installation ........................................ 18
5.8.1 To finish the transmission wiring................................. 18
6 Configuration 18
6.1 Making field settings .................................................................. 18
6.1.1 About making field settings ......................................... 18
6.1.2 To access the field setting components...................... 18
6.1.3 Field setting components ............................................ 18
6.1.4 To access mode 1 or 2 ............................................... 19
6.1.5 To use mode 1 ............................................................. 19
6.1.6 To use mode 2 ............................................................. 19
6.1.7 Mode 1 (and default situation): Monitoring settings ..... 20
6.1.8 Mode 2: Field settings.................................................. 20
7 Commissioning 22
7.1 Precautions when commissioning .............................................. 23
7.2 Checklist before commissioning ................................................. 23
7.3 Checklist during commissioning ................................................. 23
7.3.1 About test run............................................................... 23
7.3.2 To perform a test run (7-LEDs display)........................ 23
7.3.3 Correcting after abnormal completion of the test run... 24
7.3.4 Operating the unit ........................................................ 24
8 Troubleshooting 24
8.1 Solving problems based on error codes ..................................... 24
8.1.1 Error codes: Overview ................................................. 24
9 Technical data 25
9.1 Service space: Outdoor unit ....................................................... 25
9.2 Piping diagram: Outdoor unit...................................................... 26
9.3 Wiring diagram: Outdoor unit ..................................................... 27
For the user 28
10 About the system 28
10.1 System layout ............................................................................. 28
11 User interface 28
12 Operation 28
12.1 Operation range ......................................................................... 28
12.2 Operating the system ................................................................. 28
12.2.1 About operating the system ......................................... 28
12.2.2 About cooling, heating, fan only, and automatic
operation ...................................................................... 28
12.2.3 About the heating operation......................................... 28
12.2.4 To operate the system ................................................. 29
12.3 Using the dry program ................................................................ 29
12.3.1 About the dry program ................................................. 29
12.3.2 To use the dry program................................................ 29
12.4 Adjusting the air flow direction.................................................... 29
12.4.1 About the air flow flap .................................................. 29
12.5 Setting the master user interface ............................................... 29
12.5.1 About setting the master user interface ....................... 29
12.5.2 To designate the master user interface (VRV DX)....... 30
12.5.3 To designate the master user interface (RA DX) ......... 30
13 Maintenance and service 30
13.1 About the refrigerant................................................................... 30
13.2 After-sales service and warranty ................................................ 30
13.2.1 Warranty period ........................................................... 30
13.2.2 Recommended maintenance and inspection............... 30
14 Troubleshooting 31
14.1 Error codes: Overview ................................................................ 31
14.2 Symptoms that are NOT system malfunctions ........................... 32
14.2.1 Symptom: The system does not operate ..................... 32
14.2.2 Symptom: Fan operation is possible, but cooling and
heating do not work...................................................... 32
14.2.3 Symptom: The fan strength does not correspond to
the setting .................................................................... 32
14.2.4 Symptom: The fan direction does not correspond to
the setting .................................................................... 32
14.2.5 Symptom: White mist comes out of a unit (Indoor
unit) .............................................................................. 32
14.2.6 Symptom: White mist comes out of a unit (Indoor
unit, outdoor unit) ......................................................... 32
14.2.7 Symptom: The user interface display reads "U4" or
"U5" and stops, but then restarts after a few minutes .. 33
14.2.8 Symptom: Noise of air conditioners (Indoor unit)......... 33