Finishing The Outdoor Unit Installation; To Finish The Outdoor Unit Installation; About The Compressor; Commissioning - Daikin RXF50B2V1B Installation Manual

b
a
a Interconnection cable
b Power supply cable
c Field fuse
d Earth leakage circuit breaker
e Power supply
f Earth
4 Tighten the terminal screws securely. We recommend using a
Phillips screwdriver.
5 Install the switch box cover.
4.6 Finishing the outdoor unit
installation
4.6.1

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:
c
a
d
b
e
f
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

About the compressor

DANGER: RISK OF EXPLOSION
▪ Use a pipe cutter to remove the compressor.
▪ Do NOT use the brazing torch.
▪ Use approved refrigerants and lubricants only.
DANGER: RISK OF BURNING
Do NOT touch the compressor with bare hands.
RXF50~71(A)(B)2V1B + RXP50~71L2V1B
R32 split series
3P512025-4C – 2018.01
c d
50 Hz
220-240 V
e
f
3×
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:
The indoor unit is properly mounted.
The outdoor unit is properly mounted.
The system is properly earthed and the earth terminals
are tightened.
The fuses or locally installed protection devices are
installed according to this document, and have NOT been
bypassed.
The power supply voltage matches the voltage on the
identification label of the unit.
There are NO loose connections or damaged electrical
components in the switch box.
There are NO damaged components or squeezed
pipes on the inside of the indoor and outdoor units.
There are NO refrigerant leaks.
The refrigerant pipes (gas and liquid) are thermally
insulated.
The correct pipe size is installed and the pipes are
properly insulated.
The stop valves (gas and liquid) on the outdoor unit are
fully open.
The following field wiring has been carried out according
to this document and the applicable legislation between
the outdoor unit and the indoor unit.
Drainage
Make sure drainage flows smoothly.
Possible consequence: Condensate water might drip.
The indoor unit receives the signals of the user interface.
The specified wires are used for the interconnection
cable.
5.2

Checklist during commissioning

To perform an air purge.

To perform a test run.

5.3 To perform a test run
Prerequisite: Power supply MUST be in the specified range.
Prerequisite: Test run may be performed in cooling or heating
mode.
Prerequisite: Test run should be performed in accordance with the
operation manual of the indoor unit to make sure that all functions
and parts are working properly.
1 In cooling mode, select the lowest programmable temperature.
In heating mode, select the highest programmable temperature.
Test run can be disabled if necessary.
5 Commissioning
Installation manual
11