Daikin CO2 Conveni-Pack, Installer And User Reference Manual

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Table of contents
Installer and user reference guide
3
FXSN50~112A2VEB
CO₂ Conveni-Pack: indoor unit
4P602817-1A – 2020.05
14.1 Identification ................................................................................................................................................................... 40
14.1.1
Identification label: Indoor unit ..................................................................................................................... 40
14.2 About the indoor unit ..................................................................................................................................................... 40
14.3 System layout.................................................................................................................................................................. 40
14.4 Combining units and options.......................................................................................................................................... 41
14.4.1
Possible options for the indoor unit............................................................................................................... 41
15 Unit installation 42
15.1 Preparing the installation site......................................................................................................................................... 42
15.1.1
Installation site requirements of the indoor unit .......................................................................................... 42
15.1.2 Additional installation site requirements for CO₂ refrigerant ....................................................................... 45
15.2 Mounting the indoor unit ............................................................................................................................................... 50
15.2.1
Guidelines when installing the indoor unit.................................................................................................... 50
15.2.2 Guidelines when installing the ducting.......................................................................................................... 52
15.2.3 Guidelines when installing the drain piping................................................................................................... 52
15.3 Relocation ....................................................................................................................................................................... 56
16 Piping installation 57
16.1 Preparing refrigerant piping ........................................................................................................................................... 57
16.1.1
Refrigerant piping requirements.................................................................................................................... 57
16.1.2 Refrigerant piping insulation.......................................................................................................................... 58
16.2 Connecting the refrigerant piping .................................................................................................................................. 58
16.2.1
About connecting the refrigerant piping ....................................................................................................... 58
16.2.2 Precautions when connecting the refrigerant piping.................................................................................... 58
16.2.3 Pipe bending guidelines ................................................................................................................................. 59
16.2.4 Guidelines when connecting the refrigerant piping...................................................................................... 59
16.2.5 To connect the refrigerant piping to the indoor unit .................................................................................... 60
17 Electrical installation 62
17.1 About connecting the electrical wiring .......................................................................................................................... 62
17.1.1
Precautions when connecting the electrical wiring....................................................................................... 62
17.1.2 Guidelines when connecting the electrical wiring......................................................................................... 63
17.1.3 Specifications of standard wiring components.............................................................................................. 64
17.2 To connect the electrical wiring to the indoor unit ....................................................................................................... 64
17.3 To connect appropriate measures for appliances filled with CO₂ ................................................................................. 66
18 Commissioning 68
18.1 Precautions when commissioning .................................................................................................................................. 68
18.2 Checklist before commissioning..................................................................................................................................... 68
18.3 To perform a test run...................................................................................................................................................... 69
18.4 Error codes when performing a test run........................................................................................................................ 69
19 Configuration 70
19.1 Field setting..................................................................................................................................................................... 70
20 Hand-over to the user 73
21 Disposal 74
22 Technical data 75
22.1 Wiring diagram................................................................................................................................................................ 75
22.1.1
Unified wiring diagram legend ....................................................................................................................... 75
23 Glossary 78