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6 Installation
Installer reference guide
19
RXF50+60B2_RXF71A2_RXP50~71L2_(A)RXM42~71N2_RXJ50N2_
RXA42+50B2
R32 split series
4P513661-6B – 2018.05
6.7.4
Specifications of standard wiring
components
Component
RXM71N
Other
Power supply cable Voltage
220~240 V
Phase
1~
Frequency
50 Hz
Wire sizes
3-core cable
2.5mm
2
~4.0mm
2
H05RN-F (60245 IEC 57)
Interconnection cable
(indoor↔outdoor)
4-core cable
1.5mm
2
~2.5mm
2
and
applicable for 220~240V
H05RN-F (60245 IEC 57)
Recommended field fuse
20 A
16 A
Earth leakage circuit breaker
MUST comply with
applicable legislation
6.7.5
To connect the electrical wiring on the
outdoor unit
1
Remove the switch box cover.
2×
2
1
1
2
Strip insulation (20 mm) from the wires.
a
b
a
Strip wire end to this point
b
Excessive strip length may cause electrical shock or
leakage.
3
Open the wire clamp.
4
Connect the interconnection cable and power supply as follows:
50 Hz
220-240 V
c
d
f
a
b
e
a
Interconnection cable
b
Power supply cable
c
Field fuse
d
Earth leakage circuit breaker
e
Power supply
f
Earth
1 2 3
3×
5
Tighten the terminal screws securely. We recommend using a
Phillips screwdriver.
6
Install the switch box cover.
6.8
Finishing the outdoor unit
installation
6.8.1
To finish the outdoor unit installation
DANGER: RISK OF ELECTROCUTION
▪ Make sure that the system is earthed properly.
▪ Turn off the power supply before servicing.
▪ Install the switch box cover before turning on the power
supply.
1
Insulate and fix the refrigerant piping and interconnection cable
as follows:
f
b
a
e
d
c
a
Gas pipe
b
Gas pipe insulation
c
Interconnection cable
d
Liquid pipe
e
Liquid pipe insulation
f
Finishing tape
2
Install the service cover.
6.8.2
To close the outdoor unit
NOTICE
When closing the outdoor unit cover, make sure that the
tightening torque does NOT exceed 1.3 N•m.
3×
1
1
2
2
2