Electrical Installation; About Connecting The Electrical Wiring; Precautions When Connecting The Electrical Wiring - Daikin VRV 5 RXYA8A7Y1B Installer And User Manual

20 Electrical installation

In this chapter

20.1 About connecting the electrical wiring

20.1.1 Precautions when connecting the electrical wiring

RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P749918-1 - 2023.12
CAUTION
See "3 Specific installer safety
complies with all safety regulations.
20.1 About connecting the electrical wiring .................................................................................................................................. 125
20.1.1 Precautions when connecting the electrical wiring .............................................................................................. 125
20.1.2 About the electrical wiring..................................................................................................................................... 127
20.1.3 Guidelines when knocking out knockout holes ..................................................................................................... 128
20.1.4 Guidelines when connecting the electrical wiring ................................................................................................ 129
20.1.5 About electrical compliance .................................................................................................................................. 131
20.1.6 Specifications of standard wiring components ..................................................................................................... 132
20.2 To route and fix the interconnection wiring .......................................................................................................................... 134
20.3 To connect the interconnection wiring.................................................................................................................................. 135
20.4 To finish the interconnection wiring ...................................................................................................................................... 136
20.5 To route and fix the power supply ......................................................................................................................................... 136
20.6 To connect the power supply................................................................................................................................................. 137
20.7 To connect the external outputs............................................................................................................................................ 138
20.8 To check the insulation resistance of the compressor .......................................................................................................... 139
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.
DANGER: RISK OF ELECTROCUTION
WARNING
The appliance MUST be installed in accordance with national wiring regulations.
WARNING
▪
All wiring MUST be performed by an authorised electrician and MUST comply
with the national wiring regulation.
▪
Make electrical connections to the fixed wiring.
▪
All components procured on-site and all electrical construction MUST comply
with the applicable legislation.
WARNING
ALWAYS use multicore cable for power supply cables.
20 Electrical installation
|
4
instructions" [ 14] to make sure this installation
Installer and user reference guide
125