8 | Electrical installation
Installer reference guide
40
FTXF20~42E5V1B + ATXF20~42E5V1B
Daikin room air conditioner
4P519439-19U – 2022.09
Use the following methods for installing wires:
Wire type Installation method
Single-core wire
Or
Stranded conductor wire
twisted to "solid-like"
connection
a Curled wire (single-core or twisted stranded
conductor wire)
b Screw
c Flat washer
Stranded conductor wire
with round crimp-style
terminal
a Terminal
b Screw
c Flat washer
Allowed
NOT allowed
Tightening torques
Item Tightening torque (N•m)
M4 (X1M) 1.2
M4 (earth)
▪ The earth wire between the wire retainer and the terminal must be longer than
the other wires.
8.1.4 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