Table of Contents
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FXDA10~63A2VEB
VRV system air conditioner
4P599621-1A - 2020.10
14.1
Overview: About the box ................................................................................................................................................ 41
14.2
Indoor unit ...................................................................................................................................................................... 41
14.2.1
To unpack and handle the unit ...................................................................................................................... 41
14.2.2
To remove the accessories from the indoor unit .......................................................................................... 41
15.1
Identification ................................................................................................................................................................... 43
15.1.1
Identification label: Indoor unit ..................................................................................................................... 43
15.2
About the indoor unit ..................................................................................................................................................... 43
15.3
System layout.................................................................................................................................................................. 43
15.4
Combining units and options.......................................................................................................................................... 44
15.4.1
Possible options for the indoor unit............................................................................................................... 44
16.1
Preparing the installation site......................................................................................................................................... 46
16.1.1
Installation site requirements of the indoor unit .......................................................................................... 46
16.2
Mounting the indoor unit ............................................................................................................................................... 49
16.2.1
Guidelines when installing the indoor unit.................................................................................................... 49
16.2.2
Guidelines when installing the ducting.......................................................................................................... 51
16.2.3
Guidelines when installing the drain piping................................................................................................... 52
17.1
Preparing refrigerant piping ........................................................................................................................................... 57
17.1.1
Refrigerant piping requirements.................................................................................................................... 57
17.1.2
Refrigerant piping insulation.......................................................................................................................... 58
17.2
Connecting the refrigerant piping .................................................................................................................................. 58
17.2.1
About connecting the refrigerant piping ....................................................................................................... 58
17.2.2
Precautions when connecting the refrigerant piping.................................................................................... 59
17.2.3
Guidelines when connecting the refrigerant piping...................................................................................... 59
17.2.4
Pipe bending guidelines ................................................................................................................................. 60
17.2.5
To flare the pipe end ...................................................................................................................................... 60
17.2.6
To connect the refrigerant piping to the indoor unit .................................................................................... 61
18.1
About connecting the electrical wiring .......................................................................................................................... 62
18.1.1
Precautions when connecting the electrical wiring....................................................................................... 62
18.1.2
Guidelines when connecting the electrical wiring......................................................................................... 63
18.1.3
Specifications of standard wiring components.............................................................................................. 64
18.2
To connect the electrical wiring to the indoor unit ....................................................................................................... 65
19.1
Overview: Commissioning .............................................................................................................................................. 67
19.2
Precautions when commissioning .................................................................................................................................. 67
19.3
Checklist before commissioning..................................................................................................................................... 68
19.4
To perform a test run...................................................................................................................................................... 68
20.1
Field setting..................................................................................................................................................................... 69
22.1
Solving problems based on error codes ......................................................................................................................... 73
22.1.1
Error codes: Overview .................................................................................................................................... 73
24.1
Wiring diagram................................................................................................................................................................ 76
24.1.1
Unified wiring diagram legend ....................................................................................................................... 76
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73
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79
Installer and user reference guide
3
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Table of Contents
Troubleshooting
