Finishing The Outdoor Unit Installation; To Finish The Outdoor Unit Installation; Configuration; Facility Setting - Daikin RXM50A5V1B Installation Manual

8 Finishing the outdoor unit installation

3 Connect the interconnection cable and power supply as follows:
a
a Interconnection cable
b Power supply cable
c Circuit breaker (field provided fuse with 16 A rating)
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
Installation manual
14
50 Hz
220-240 V
b c d e
f
3×
f Liquid pipe insulation
g Finishing tape
2 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 J6 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 J6
1 Remove the top plate of the outdoor unit.
2 Remove the front plate.
3 Remove the drip proof cover.
4 Cut jumper J6 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 J6 sets the indoor unit fan to the highest
speed.
▪ Do NOT use this setting in residences or offices with
people.
9.2

Standby electricity saving function

9.2.1 About the standby electricity saving
function
This mode turns OFF the power supply of the outdoor unit and sets
the indoor unit into the standby saving mode to reduce the power
consumption of the unit.
This mode is only applicable for outdoor units: ARXM50, RXM50 in
combination with indoor units: FTXM, ATXM, FVXM.
INFORMATION
The standby electricity saving can ONLY be used for the
units described above.
b
c
d
J12 J8 J7 J5 J9 J4 J6
RXM-A, ARXM-A
R32 split series
3P645642-6L – 2023.07