9 | Electrical installation
Installer reference guide
51
4MWXM-A
R32 Split series
4P678385-1A – 2022.02
Wire type Installation method
Single-core wire
a Curled single-core 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.
9.1.3 Specifications of standard wiring components
Component
Power supply cable Voltage 220~240V
Phase 1~
Frequency 50Hz
Wire type 3- core cable 2.5mm
2
H05RN-F (60245 IEC 57)
H07RN-F (60245 IEC 66)
3- core cable 4.0mm
2
H07RN-F (60245 IEC 66)
Interconnection cable (indoor↔outdoor) 4-core cable 1.5mm
2
or 2.5mm
2
and applicable for 220~240V
H05RN-F (60245 IEC 57)
Recommended circuit breaker 20A