19 | Electrical installation
Installer and user reference guide
109
REYQ8~20+REMQ5U7Y1B
VRV IV+ heat recovery
4P561154-1A – 2020.10
19 Electrical installation
In this chapter
19.1 About connecting the electrical wiring .................................................................................................................................. 109
19.1.1 Precautions when connecting the electrical wiring .............................................................................................. 109
19.1.2 Field wiring: Overview............................................................................................................................................ 111
19.1.3 About the electrical wiring..................................................................................................................................... 111
19.1.4 Guidelines when knocking out knockout holes..................................................................................................... 112
19.1.5 About electrical compliance .................................................................................................................................. 113
19.1.6 Safety device requirements ................................................................................................................................... 114
19.2 To route and fix the transmission wiring ............................................................................................................................... 116
19.3 To connect the transmission wiring ....................................................................................................................................... 117
19.4 To finish the transmission wiring ........................................................................................................................................... 118
19.5 To route and fix the power supply ......................................................................................................................................... 118
19.6 To connect the power supply................................................................................................................................................. 119
19.7 To check the insulation resistance of the compressor .......................................................................................................... 120
19.1 About connecting the electrical wiring
19.1.1 Precautions when connecting the electrical wiring
DANGER: RISK OF ELECTROCUTION
WARNING
ALWAYS use multicore cable for power supply cables.
INFORMATION
Also read the precautions and requirements in the "2 General safety
precautions"[48].
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.