Daikin VRV IV RKXYQ8T7Y1B, Installation And Operation Manual

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Table of Contents
Installation and operation manual
4
8T7Y1B
VRV IV compressor unit for indoor installation
4P408443-1B – 2016.04
Table of Contents
1 About the documentation 5
1.1 About this document.................................................................. 5
For the installer 5
2 About the box 5
2.1 Compressor unit ........................................................................ 5
2.1.1 To remove the accessories from the compressor unit 5
2.1.2 To remove the transportation stay .............................. 6
2.1.3 To remove the transportation EPS.............................. 6
3 About the units and options 6
3.1 About the compressor unit and heat exchanger unit................. 6
3.2 System layout ............................................................................ 6
3.3 Combining units and options ..................................................... 6
3.3.1 Possible options for the compressor unit and heat
exchanger unit ............................................................
6
4 Preparation 7
4.1 Preparing installation site .......................................................... 7
4.1.1 Installation site requirements of the compressor unit.. 7
4.2 Preparing refrigerant piping ....................................................... 7
4.2.1 Refrigerant piping requirements.................................. 7
4.2.2 Refrigerant piping material.......................................... 8
4.2.3 To select the piping size ............................................. 8
4.2.4 To select refrigerant branch kits.................................. 8
4.2.5 Refrigerant piping length and height difference .......... 9
4.3 Preparing electrical wiring ......................................................... 9
4.3.1 About electrical compliance ........................................ 9
4.3.2 Safety device requirements ........................................ 9
5 Installation 10
5.1 Opening the units ...................................................................... 10
5.1.1 To open the compressor unit ...................................... 10
5.2 Mounting the compressor unit ................................................... 10
5.2.1 Guidelines when installing the compressor unit.......... 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 compressor
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 .................................................................. 15
5.6.1 Precautions when charging refrigerant ....................... 15
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................................................. 17
5.7.1 Field wiring: Overview................................................. 17
5.7.2 Guidelines when connecting the electrical wiring ....... 17
5.7.3 To connect the electrical wiring on the compressor
unit .............................................................................. 17
5.8 Finishing the compressor 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....................... 19
6.1.3 Field setting components ............................................. 19
6.1.4 To access mode 1 or 2 ................................................ 20
6.1.5 To use mode 1 (and default situation) ......................... 20
6.1.6 To use mode 2 ............................................................. 21
6.1.7 Mode 1 (and default situation): Monitoring settings ..... 21
6.1.8 Mode 2: Field settings.................................................. 23
6.1.9 To connect the PC configurator to the compressor
unit ............................................................................... 26
7 Commissioning 26
7.1 Precautions when commissioning .............................................. 26
7.2 Checklist before commissioning ................................................. 26
7.3 Checklist during commissioning ................................................. 27
7.3.1 About test run............................................................... 27
7.3.2 To perform a test run (7-LEDs display)........................ 27
7.3.3 To perform a test run (7-segments display) ................. 27
7.3.4 Correcting after abnormal completion of the test run... 28
7.3.5 Operating the unit ........................................................ 28
8 Troubleshooting 28
8.1 Solving problems based on error codes ..................................... 28
8.1.1 Error codes: Overview ................................................. 28
9 Technical data 32
9.1 Piping diagram: Compressor unit and heat exchanger unit ....... 32
9.2 Wiring diagram: Compressor unit ............................................... 33
For the user 34
10 About the system 34
10.1 System layout ............................................................................. 34
11 User interface 34
12 Operation 34
12.1 Operation range ......................................................................... 34
12.2 Operating the system ................................................................. 34
12.2.1 About operating the system ......................................... 34
12.2.2 About cooling, heating, fan only, and automatic
operation ...................................................................... 35
12.2.3 About the heating operation......................................... 35
12.2.4 To operate the system (WITHOUT cool/heat
changeover remote control switch) .............................. 35
12.2.5 To operate the system (WITH cool/heat changeover
remote control switch).................................................. 35
12.3 Using the dry program ................................................................ 35
12.3.1 About the dry program ................................................. 35
12.3.2 To use the dry program (WITHOUT cool/heat
changeover remote control switch) .............................. 36
12.3.3 To use the dry program (WITH cool/heat changeover
remote control switch).................................................. 36
12.4 Adjusting the air flow direction.................................................... 36
12.4.1 About the air flow flap .................................................. 36
12.5 Setting the master user interface ............................................... 36
12.5.1 About setting the master user interface ....................... 36
12.5.2 To designate the master user interface (VRV DX)....... 37
13 Maintenance and service 37
13.1 About the refrigerant................................................................... 37
13.2 After-sales service and warranty ................................................ 37
13.2.1 Warranty period ........................................................... 37
13.2.2 Recommended maintenance and inspection............... 37
14 Troubleshooting 37
14.1 Error codes: Overview ................................................................ 38
14.2 Symptoms that are NOT system malfunctions ........................... 39
14.2.1 Symptom: The system does not operate ..................... 39
14.2.2 Symptom: Cool/Heat cannot be changed over ............ 39
14.2.3 Symptom: Fan operation is possible, but cooling and
heating do not work...................................................... 39