3 About the box
Installation manual
6
RXJ42+50A
R32 split series
3P512025-12X – 2021.12
WARNING
Keep the interconnection wiring away from copper pipes
without thermal insulation as such pipes will be very hot.
DANGER: RISK OF ELECTROCUTION
All electrical parts (including thermistors) are powered by
the power supply. Do NOT touch them with bare hands.
DANGER: RISK OF ELECTROCUTION
Disconnect the power supply for more than 10 minutes,
and measure the voltage at the terminals of main circuit
capacitors or electrical components before servicing. The
voltage MUST be less than 50 V DC before you can touch
electrical components. For the location of the terminals,
see the wiring diagram.
Finishing indoor unit installation (see
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.
WARNING
Before connecting or disconnecting the connector, make
sure the power supply is turned OFF.
Commissioning (see
12])
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING/SCALDING
CAUTION
Do NOT perform the test operation while working on
the indoor units.
When performing the test operation, NOT ONLY the
outdoor unit, but the connected indoor unit will operate as
well. Working on an indoor unit while performing a test
operation is dangerous.
CAUTION
Do NOT insert fingers, rods or other objects into the air
inlet or outlet. Do NOT remove the fan guard. When the
fan is rotating at high speed, it will cause injury.
Maintenance and service (see
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING/SCALDING
WARNING
▪ Before carrying out any maintenance or repair activity,
ALWAYS switch off the circuit breaker on the supply
panel, remove the fuses or open the protection devices
of the unit.
▪ Do NOT touch live parts for 10 minutes after the power
supply is turned off because of high voltage risk.
▪ Please note that some sections of the electric
component box are hot.
▪ Make sure you do NOT touch a conductive section.
▪ Do NOT rinse the unit. This may cause electric shocks
or fire.
About the compressor
DANGER: RISK OF ELECTROCUTION
▪ Use this compressor on a grounded system only.
▪ Turn the power off before servicing the compressor.
▪ Reattach the switch box cover and service lid after
servicing.
CAUTION
ALWAYS wear safety glasses and protective gloves.
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/SCALDING
Do NOT touch the compressor with bare hands.
3
About the box
3.1
Outdoor unit
3.1.1
To remove the accessories from the
outdoor unit
1
Lift the outdoor unit.
2
Remove the accessories at the bottom of the package.
1×
1×
1×
1×
1×
6×
3×
2×
b
e
c
d
a
f
g
h
a
General safety precautions
b
Outdoor unit installation manual
c
Fluorinated greenhouse gases label
d
Multilingual fluorinated greenhouse gases label
e
Drain plug (located on the bottom of the packing case)
f
Drain cap (1)
g
Drain cap (2)
h
Energy label
4
Unit installation
WARNING
Installation shall be done by an installer, the choice of
materials and installation shall comply with the applicable
legislation. In Europe, EN378 is the applicable standard.
