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Table of contents
Installer reference guide
2
Table of contents
1.1
Meaning of warnings and symbols.................................................................................................................................
1.2
Installer reference guide at a glance ..............................................................................................................................
2.1
For the installer ...............................................................................................................................................................
2.1.1
General ...........................................................................................................................................................
2.1.2
Installation site ............................................................................................................................................... 10
2.1.3
Refrigerant - in case of R410A or R32.......................................................................................................... 10
2.1.4
Water .............................................................................................................................................................. 12
2.1.5
Electrical ......................................................................................................................................................... 12
4.1
Overview: About the box ................................................................................................................................................ 20
4.2
Indoor unit ...................................................................................................................................................................... 21
4.2.1
To unpack the indoor unit.............................................................................................................................. 21
4.2.2
To remove the accessories from the indoor unit .......................................................................................... 21
5.1
Identification ................................................................................................................................................................... 22
5.1.1
Identification label: Indoor unit ..................................................................................................................... 22
5.2
Possible options for the indoor unit ............................................................................................................................... 22
6.1
Overview: Application guidelines ................................................................................................................................... 23
6.2
Setting up the domestic hot water tank......................................................................................................................... 23
6.2.1
System layout - Standalone DHW tank ......................................................................................................... 23
6.2.2
Selecting the volume and desired temperature for the DHW tank .............................................................. 24
6.2.3
Setup and configuration - DHW tank ............................................................................................................ 25
6.3
Setting up the power consumption control ................................................................................................................... 25
6.3.1
Permanent power limitation .......................................................................................................................... 26
6.3.2
Power limitation process................................................................................................................................ 26
7.1
Preparing the installation site......................................................................................................................................... 28
7.1.1
Installation site requirements of the indoor unit .......................................................................................... 28
7.1.2
Special requirements for R32 units................................................................................................................ 29
7.1.3
Installation patterns ....................................................................................................................................... 31
7.2
Opening and closing the units ........................................................................................................................................ 36
7.2.1
About opening the units................................................................................................................................. 36
7.2.2
To open the indoor unit ................................................................................................................................. 36
7.2.3
To close the indoor unit ................................................................................................................................. 37
7.3
Mounting the indoor unit ............................................................................................................................................... 37
7.3.1
About mounting the indoor unit.................................................................................................................... 37
7.3.2
Precautions when mounting the indoor unit................................................................................................. 37
7.3.3
To install the indoor unit ................................................................................................................................ 37
8.1
Preparing refrigerant piping ........................................................................................................................................... 39
8.1.1
Refrigerant piping requirements.................................................................................................................... 39
8.2
Connecting refrigerant piping......................................................................................................................................... 39
8.2.1
To connect the refrigerant piping to the indoor unit .................................................................................... 39
8.3
Preparing water piping ................................................................................................................................................... 40
8.3.1
Water circuit requirements............................................................................................................................ 40
8.4
Connecting water piping................................................................................................................................................. 42
8.4.1
About connecting the water piping ............................................................................................................... 42
8.4.2
Precautions when connecting the water piping............................................................................................ 42
8.4.3
To connect the water piping .......................................................................................................................... 42
8.4.4
To connect the recirculation piping ............................................................................................................... 43
8.4.5
To fill the domestic hot water tank................................................................................................................ 43
9.1
About connecting the electrical wiring .......................................................................................................................... 45
9.1.1
Precautions when connecting the electrical wiring....................................................................................... 45
9.1.2
Guidelines when connecting the electrical wiring......................................................................................... 46
EKHWET90+120B
R32 Split series - Domestic hot water tank
4P680077-1A - 2022.11
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