Daikin VRV 5 - Specifications of Standard Wiring Components

20 | Electrical installation
Installer and user reference guide
123
RXYSA8~12AMY1B
VRV 5-S system air conditioner
4P752782-1A – 2024.02
20.1.6 Specifications of standard wiring components
Component Outdoor unit
RXYSA8 RXYSA10 RXYSA12
Power supply
cable
MCA
(a)
18.5A 22A 24A
Voltage 380-415 / 400V
Phase 3N~
Frequency 50/60Hz
Wire size 5 core cable
Must comply with national wiring regulation.
Wire size based on the current, but not less
than:
2.5mm² 4mm²
Interconnection
cable
Voltage 220-240V
Wire size Only use harmonised wire providing double
insulation and suitable for applicable voltage.
2-core shielded cable
0.75-1.5mm²
Recommended field fuse 25A 32A
Earth leakage circuit breaker/
residual current circuit breaker
Must comply with national wiring regulation.
(a)
MCA=Minimum circuit ampacity. Stated values are maximum values.
Please use the table above to specify the requirements for the power supply
wiring.
NOTICE
When using residual current operated circuit breakers, be sure to use a high-speed
type 300mA rated residual operating current.