Daikin SV1A25AJV1B - 16 Electrical Installation; About Connecting the Electrical Wiring; Precautions When Connecting the Electrical Wiring

16 | Electrical installation
Installer and user reference guide
88
SV1A25AJV1B+SV4~8A14AJV1B
VRV 5 safety valve unit
4P749917-1 – 2023.09
16 Electrical installation
CAUTION
See "3 Specific installer safety instructions" [4 13] to make sure this installation
complies with all safety regulations.
In this chapter
16.1 About connecting the electrical wiring .................................................................................................................................. 88
16.1.1 Precautions when connecting the electrical wiring .............................................................................................. 88
16.1.2 Specifications of standard wiring components ..................................................................................................... 89
16.1.3 Guidelines when connecting the electrical wiring ................................................................................................ 91
16.2 To connect the electrical wiring ............................................................................................................................................. 93
16.3 To finish the electrical wiring ................................................................................................................................................. 96
16.4 To set the DIP switches........................................................................................................................................................... 96
16.5 To connect the external outputs............................................................................................................................................ 98
16.1 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 SV units.
4 Connecting the electrical wiring to the indoor units.
5 Connecting the main power supply.
16.1.1 Precautions when connecting the electrical wiring
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.
WARNING
Use an all-pole disconnection type breaker with at least 3mm between the contact
point gaps that provides full disconnection under overvoltage category III.