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Electrical installation
9 Electrical installation
In this chapter
9.1 About connecting the electrical wiring
Installer reference guide
108
INFORMATION
This unit is a heating only model. Therefore, all references to cooling in this
document are NOT applicable.
WARNING
Make sure that the electrical wiring does NOT touch the refrigerant gas pipe, which
can be very hot.
a
a Refrigerant gas pipe
9.1
9.1.1
9.1.2
9.1.3
About electrical compliance .................................................................................................................................. 111
9.1.4
9.1.5
9.2
Connections to the outdoor unit............................................................................................................................................ 113
9.2.1
9.2.2
9.2.3
9.3
Connections to the indoor unit .............................................................................................................................................. 119
9.3.1
9.3.2
9.3.3
To connect the shut-off valve ................................................................................................................................ 127
9.3.4
9.3.5
9.3.6
To connect the alarm output ................................................................................................................................. 130
9.3.7
9.3.8
9.3.9
9.3.10
To connect a Smart Grid ........................................................................................................................................ 135
9.3.11
9.4
To install the mounting plate ................................................................................................................................................. 139
9.5
Before connecting the electrical wiring
Make sure:
▪
The refrigerant piping is connected and checked
▪
The water piping is connected
Typical workflow
Connecting the electrical wiring typically consists of the following stages:
ERRA08~12E + ELVZ12S18+23E
Daikin Altherma 3 R MT F
4P708478-1 - 2023.05