Table of Contents
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Table of contents
Installer reference guide
2
Table of contents
1.1
About this document ......................................................................................................................................................
2.1
About the documentation ..............................................................................................................................................
2.1.1
Meaning of warnings and symbols ................................................................................................................
2.2
For the installer ...............................................................................................................................................................
2.2.1
General ...........................................................................................................................................................
2.2.2
Installation site ...............................................................................................................................................
2.2.3
Refrigerant - in case of R744........................................................................................................................
2.2.4
Electrical .........................................................................................................................................................
4.1
To unpack and handle the unit....................................................................................................................................... 13
4.2
To remove the accessories ............................................................................................................................................. 13
5.1
System layout.................................................................................................................................................................. 14
5.2
Compatibility ................................................................................................................................................................... 15
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
7.1
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
8.1
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
9.1
Checklist before commissioning..................................................................................................................................... 31
11.1
Wiring diagram................................................................................................................................................................ 33
11.1.1
Unified wiring diagram legend ....................................................................................................................... 33
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26
31
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33
36
BEV2N-A
CO₂ Conveni-Pack: BEV2 unit
4P677928-1 - 2021.10
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