5 Commissioning
Installation manual
12
RXF50+60A2V1B
R32 split series
3P512025-3 – 2017.11
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
Guidelines when connecting the electrical
wiring
▪ If single-core wires are used, be sure to curl the end of the lead.
Improper work may cause heat or fire.
▪ The earth wire between the pull relief and the terminal must be
longer than the other wires.
4.6.2
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
15 A
Earth leakage circuit breaker
MUST comply with
applicable legislation
4.6.3
To connect the electrical wiring on the
outdoor unit
1
Remove the service cover. See
"4.1.1
To open the outdoor
unit" on page
7
.
2
Remove the switch box cover.
2×
3
Open the wire clamp.
4
Connect the interconnection cable and power supply as follows:
3×
5
Tighten the terminal screws securely. We recommend using a
Phillips screwdriver.
6
Install the switch box cover.
7
Install the service cover.
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 4.1 N•m.
1×
2
1
1
5
Commissioning
NOTICE
NEVER operate the unit without thermistors and/or
pressure sensors/switches. Burning of the compressor
might result.
5.1
Checklist before commissioning
Do NOT operate the system before the following checks are OK:
