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9
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Electrical installation
9.1.3 Specifications of standard wiring components
Installer reference guide
50
Wire type
Single-core wire
Stranded conductor wire
with round crimp-style
terminal
Tightening torques
Item
M4 (X1M)
M4 (earth)
▪
The earth wire between the wire retainer and the terminal must be longer than
the other wires.
Component
Power supply cable Voltage
Phase
Frequency
Wire sizes
Interconnection cable
(indoor↔outdoor)
Recommended circuit breaker
c b
A
A´
a
a Curled single-core wire
b Screw
c Flat washer
c b
B
a
a Terminal
b Screw
c Flat washer
Allowed
NOT allowed
1-3
1.5 mm
Installation method
AA´
c
a
a
b
c
B
Tightening torque (N•m)
1.2~1.3
220~240 V
1~
50 Hz
3-core cable
2(a)(b)
2.5 mm
/ 4.0 mm
(a)
H05RN-F (60245 IEC 57)
(b)
H07RN-F (60245 IEC 66)
4-core cable
2
2
~2.5 mm
and applicable for
220~240 V
H05RN-F (60245 IEC 57)
(a)
20 A
4P519439-18T – 2022.06
2(b)
RXF50~71D5V1B
R32 split series
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