6 Installation
Installer reference guide
19
35R5V1B RXM20~35R5V1B
R32 Split Series
4P519439-8H – 2020.07
Tightening torques
Item
Tightening torque (N•m)
M4 (X1M)
1.5~1.6
M4 (earth)
1.4~1.5
▪ The earth wire between the wire retainer and the terminal must be
longer than the other wires.
1-3
6.7.4
Specifications of standard wiring
components
Component
Class 20
Class 25+35
Power supply
cable
Voltage
220~240 V
Phase
1~
Frequency
50 Hz
Wire sizes
3-core cable
2.5 mm²~4.0 mm²
H05RN-F (60245 IEC 57)
Interconnection cable
(indoor↔outdoor)
4-core cable
1.5 mm²~2.5 mm² and
applicable for 220~240 V
H05RN-F (60245 IEC 57)
Recommended field fuse
10 A
13 A
Earth leakage circuit breaker
MUST comply with applicable
legislation
6.7.5
To connect the electrical wiring to the
outdoor unit
1
Remove the service cover. See
2
Strip insulation (20 mm) from the wires.
a
b
a
Strip wire end to this point
b
An 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
Circuit breaker
d
Earth leakage circuit breaker
e
Power supply
f
Earth
3×
5
Tighten the terminal screws securely. We recommend using a
Phillips screwdriver.
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 service cover before turning on the power
supply.
NOTICE
It is recommended that the refrigerant piping between
indoor and outdoor unit is installed in a ducting or the
refrigerant piping is wrapped with finishing tape.
1
Insulate and fix the refrigerant piping and cables as follows:
g
b
a
f
e
c
d
a
Gas pipe
b
Gas pipe insulation
c
Interconnection cable
d
Field wiring (if applicable)
e
Liquid pipe
f
Liquid pipe insulation
g
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.
1×
1
1
2
