8 | Electrical installation
Installer reference guide
40
CVXM20+FVXM25~50A2V1B
Split system air conditioners
4P625991-1 – 2020.06
8 Electrical installation
In this chapter
8.1 About connecting the electrical wiring .................................................................................................................................. 40
8.1.1 Precautions when connecting the electrical wiring .............................................................................................. 40
8.1.2 Guidelines when connecting the electrical wiring ................................................................................................ 41
8.1.3 Specifications of standard wiring components ..................................................................................................... 42
8.2 To connect the electrical wiring to the indoor unit ............................................................................................................... 42
8.3 To connect optional accessories (wired user interface, central user interface, wireless adapter, etc.).............................. 43
8.1 About connecting the electrical wiring
Typical workflow
Connecting the electrical wiring typically consists of the following stages:
1 Making sure the power supply system complies with the electrical
specifications of the units.
2 Connecting the electrical wiring to the outdoor unit.
3 Connecting the electrical wiring to the indoor unit.
4 Connecting the main power supply.
8.1.1 Precautions when connecting the electrical wiring
DANGER: RISK OF ELECTROCUTION
INFORMATION
Also read the precautions and requirements in the "2 General safety
precautions"[45].
INFORMATION
Also read "8.1.3Specifications of standard wiring components"[442].
WARNING
▪ All wiring MUST be performed by an authorised electrician and MUST comply
with the applicable legislation.
▪ Make electrical connections to the fixed wiring.
▪ All components procured on-site and all electrical construction MUST comply
with the applicable legislation.