Daikin BEV2, Руководство по установке для специалистов

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Table of contents
Installer reference guide
2
BEV2N-A
CO₂ Conveni-Pack: BEV2 unit
4P677928-1 – 2021.10
Table of contents
1 About the documentation 3
1.1 About this document ...................................................................................................................................................... 3
2 General safety precautions 4
2.1 About the documentation .............................................................................................................................................. 4
2.1.1 Meaning of warnings and symbols ................................................................................................................ 4
2.2 For the installer ............................................................................................................................................................... 5
2.2.1 General ........................................................................................................................................................... 5
2.2.2 Installation site ............................................................................................................................................... 6
2.2.3 Refrigerant — in case of R744........................................................................................................................ 6
2.2.4 Electrical ......................................................................................................................................................... 8
3 Specific installer safety instructions 10
4 About the box 13
4.1 To unpack and handle the unit....................................................................................................................................... 13
4.2 To remove the accessories ............................................................................................................................................. 13
5 About the unit 14
5.1 System layout.................................................................................................................................................................. 14
5.2 Compatibility ................................................................................................................................................................... 15
6 Unit installation 16
6.1 Preparing the installation site......................................................................................................................................... 16
6.1.1
Installation site requirements of the unit ...................................................................................................... 16
6.1.2 Additional installation site requirements for CO₂ refrigerant ....................................................................... 18
6.2 Mounting the unit........................................................................................................................................................... 18
6.2.1
Guidelines when installing the unit................................................................................................................ 18
6.2.2 To mount the unit........................................................................................................................................... 19
7 Piping installation 21
7.1 Preparing refrigerant piping ........................................................................................................................................... 21
7.1.1
Refrigerant piping requirements.................................................................................................................... 21
7.1.2 Refrigerant piping insulation.......................................................................................................................... 22
7.2 Connecting the refrigerant piping .................................................................................................................................. 22
7.2.1
About connecting the refrigerant piping ....................................................................................................... 22
7.2.2 Precautions when connecting the refrigerant piping.................................................................................... 23
7.2.3 Guidelines when connecting the refrigerant piping...................................................................................... 24
7.2.4 To connect the refrigerant piping to the indoor unit .................................................................................... 24
8 Electrical installation 26
8.1 About connecting the electrical wiring .......................................................................................................................... 26
8.1.1
Precautions when connecting the electrical wiring....................................................................................... 26
8.1.2 Guidelines when connecting the electrical wiring......................................................................................... 27
8.2 To connect the electrical wiring to the BEV2 unit.......................................................................................................... 28
9 Commissioning 31
9.1 Checklist before commissioning..................................................................................................................................... 31
10 Disposal 32
11 Technical data 33
11.1 Wiring diagram................................................................................................................................................................ 33
11.1.1
Unified wiring diagram legend ....................................................................................................................... 33
12 Glossary 36