8 Finishing the outdoor unit installation
7.1
Specifications of standard wiring
components
Component
Power supply cable Voltage
Phase
Frequency
Wire sizes
Interconnection cable
(indoor↔outdoor)
Recommended circuit breaker
Residual current device
7.2
To connect the electrical wiring to
the outdoor unit
1 Remove the service cover.
2 Open the wire clamp.
3 Connect the interconnection cable and power supply as follows:
a
a
Interconnection cable
b
Power supply cable
c
Circuit breaker
d
Residual current device
e
Power supply
f
Earth
4 Tighten the terminal screws securely. We recommend using a
Phillips screwdriver.
5 Install the service cover.
Installation manual
12
Class 20
Class
25+35
220~240 V
1~
50 Hz
3-core cable
2
2.5 mm2~4.0 mm
H05RN-F (60245 IEC 57)
4-core cable
2
2
1.5 mm
~2.5 mm
and
applicable for 220~240 V
H05RN-F (60245 IEC 57)
10 A
13 A
MUST comply with
applicable legislation
50 Hz
c
d
220-240 V
b
e
f
3×
8
Finishing the outdoor unit
installation
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 cables as follows:
d
c
a
e
b
f
g
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.
9
Configuration
9.1
Facility setting
Use this function for cooling at low outdoor temperature. This
function is designed for facilities such as equipment of computer
rooms. NEVER use in a residence or office where people occupy the
space.
Applicable for: RXM-R, ARXM-R, RXJ-M, RXA-A.
9.1.1
To set the facility mode
When cutting jumper J6 on the PCB, the operation range will expand
to –15°C. The facility mode will stop if the outdoor temperature drops
below –20°C and resume when the temperature rises again.
To cut jumper J6
1 Remove the top plate of the outdoor unit.
2 Remove the front plate.
3 Remove the drip proof cover.
4 Cut jumper J6 on the outdoor unit PCB.
a
a
Front plate
b
Top plate
c
Drip proof cover
d
Jumpers
RXJ-M(9)_RXA-A(9)_RXM-R(9)_ARXM-R(9)
b
c
d
J12
J8
J7
J5
J9
J4
J6
R32 Split system air conditioners
3P650253-1 – 2021.02