5 Commissioning
Installation manual
11
(A)RXP20~3 RXF20~3 RXF20~25B5V1B
R32 split series
3P519299-2H – 2019.09
WARNING
ALWAYS use multicore cable for power supply cables.
WARNING
If the supply cord is damaged, it MUST be replaced by the
manufacturer, its service agent or similarly qualified
persons in order to avoid a hazard.
WARNING
Do NOT connect the power supply to the indoor unit. This
could result in electrical shock or fire.
WARNING
▪ Do NOT use locally purchased electrical parts inside
the product.
▪ Do NOT branch the power supply for the drain pump,
etc. from the terminal block. This could result in
electrical shock or fire.
WARNING
Keep the interconnection wiring away from copper pipes
without thermal insulation as such pipes will be very hot.
4.6.1
Specifications of standard wiring
components
Component
Power supply cable Voltage
220~240 V
Phase
1~
Frequency
50 Hz
Wire sizes
MUST comply with
applicable legislation
Interconnection cable
(indoor↔outdoor)
4-core cable ≥1.5 mm² and
applicable for 220~240 V
Recommended field fuse
16 A
Earth leakage circuit breaker
MUST comply with
applicable legislation
4.6.2
To connect the electrical wiring on the
outdoor unit
1
Remove the service cover.
2
Open the wire clamp.
3
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×
4
Tighten the terminal screws securely. We recommend using a
Phillips screwdriver.
4.7
Finishing the outdoor unit
installation
4.7.1
To finish the outdoor unit installation
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.
4.7.2
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×
2
1
1
5
Commissioning
NOTICE
ALWAYS operate the unit with thermistors and/or pressure
sensors/switches. If NOT, burning of the compressor might
be the result.
5.1
Checklist before commissioning
After the installation of the unit, first check the items listed below.
Once all checks are fulfilled, the unit must be closed. Power-up the
unit after it is closed.
The
indoor unit
is properly mounted.
Summary of Contents for ARXP20L5V1B
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