Daikin RXA42B5V1B8 Manuel D'installation page 15

a
a Interconnection cable
b Power supply cable
c Circuit breaker (field provided fuse with rating according
to the model name plate)
d Residual current device
e Power supply
f Earth
1 2 3
4 Tighten the terminal screws securely. We recommend using a
Phillips screwdriver.
5 Install the service cover.
6 Install the switch box cover.
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
RXA-B8, RXM-A(9), ARXM-A(9), RXP-N9, RXF-D(9), ARXF-A(9),
RZAG-B
R32 split series
3P766062-2 – 2024.01
50 Hz
220-240 V
b c d e
f
3×
8 Finishing the outdoor unit installation
g Finishing tape
2 For combination of the outdoor unit and indoor unit in table
below, make sure to activate the "Standby Electricity Saving"
function. Refer to the Installer reference guide of the outdoor
unit for the setting procedure.
Outdoor unit
RXM50+60
ARXM50
RZAG
3 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.
9.1.1 To set the facility mode
When cutting jumper J12 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 J12
1 Remove the top plate of the outdoor unit.
2 Remove the front plate.
3 Remove the drip proof cover.
4 Cut jumper J12 on the outdoor unit PCB.
a
a Front plate
b Top plate
c Drip proof cover
d Jumpers
INFORMATION
▪ The indoor unit may produce Intermittent noise due to
the outdoor unit fan turning ON and/or OFF.
▪ Do NOT place humidifiers or other items which might
raise humidity in rooms when you use the facility mode.
▪ Cutting jumper J12 sets the indoor unit fan to the
highest speed.
▪ Do NOT use this setting in residences or offices with
people.
Indoor unit
FTXM, FVXM
ATXM
FTXM
b c
d
J12 J8 J7 J5 J9 J4 J6
Installation manual
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