18
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Electrical installation
Installer and user reference guide
71
FXHA-A
VRV system air conditioner
4P673749-1A – 2022.11
18.1.3 Specifications of standard wiring components
Power supply
Voltage
220~240 V/220 V
Frequency
50/60 Hz
Phase
1~
Current
FXHA32: 0.5 A
FXHA50: 0.6 A
FXHA63: 0.7 A
FXHA100: 1.3 A
Components
Power supply cable
MUST comply with national wiring regulation.
3-core cable
Wire size based on the current, but not less than
1.5 mm
2
Transmission wiring
Only use harmonised wire providing double
insulation and suitable for applicable voltage
2-core cable
Minimum size 0.75 mm
2
User interface cable
Only use harmonised wire providing double
insulation and suitable for applicable voltage
2-core cable
Minimum size 0.75 mm
2
Maximum length 500 m
Recommended circuit breaker
6 A
Residual current device
MUST comply with national wiring regulation
18.2 To connect the electrical wiring to the indoor unit
NOTICE
▪
Follow the wiring diagram (delivered with the unit, located at the inside of the
service cover).
▪
For instructions on how to connect the optional equipment, see the installation
manual delivered with the optional equipment.
▪
Make sure the electrical wiring does NOT obstruct proper reattachment of the
service cover.
It is important to keep the power supply and the transmission wiring separated
from each other. In order to avoid any electrical interference the distance between
both wirings should ALWAYS be at least 50 mm.
NOTICE
Be sure to keep the power line and transmission line apart from each other.
Transmission wiring and power supply wiring may cross, but may NOT run parallel.
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