8 | Electrical installation
Installer reference guide
41
FTXP20~35N5V1B + ATXP20~35N5V1B
Split system air conditioners
4P519439-20U – 2022.09
Wire type Installation method
Stranded conductor wire
with round crimp-style
terminal
a Terminal
b Screw
c Flat washer
Allowed
NOT allowed
▪ The earth wire between the wire retainer and the terminal must be longer than
the other wires.
8.2.4 Specifications of standard wiring components
Component
Power supply cable Voltage 220~240V
Phase 1~
Frequency 50Hz
Wire sizes Must comply with applicable
legislation
Interconnection cable Minimum cable section of
2.5mm² and applicable for
220~240V
Recommended field fuse 20A
Earth leakage circuit breaker Must comply with applicable
legislation
8.2.5 To connect the electrical wiring to the indoor unit
WARNING
Provide adequate measures to prevent that the unit can be used as a shelter by small
animals. Small animals that make contact with electrical parts can cause
malfunctions, smoke or fire.
NOTICE
▪ Keep the power line and transmission line apart from each other. Transmission
wiring and power supply wiring may cross, but may NOT run parallel.
▪ In order to avoid any electrical interference, the distance between both wirings
should ALWAYS be at least 50mm.
Electrical work should be carried out in accordance with the installation manual
and the national electrical wiring rules or code of practice.