About The Box; Outdoor Unit; To Remove The Accessories From The Outdoor Unit; Unit Installation - Daikin 4MWXM52A2V1B9 Installation Manual

3 About the box

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.
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 the outdoor unit installation (see

outdoor unit

installation" [ 4 13])
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.
Maintenance and service (see
service" [ 4 13])
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.
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.
Installation manual
6
"8 Finishing the
"9 Maintenance and
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
Keep the following in mind:
▪ At delivery, the unit MUST be checked for damage and
completeness. Any damage or missing parts MUST be reported
immediately to the claims agent of the carrier.
▪ Bring the packed unit as close as possible to its final installation
position to prevent damage during transport.
▪ Prepare in advance the path along which you want to bring the
unit to its final installation position.
3.1 Outdoor unit
3.1.1 To remove the accessories from the
outdoor unit
Make sure you have all following accessories delivered with the unit:
a b
1× 1×
f g h
1× 6× 3×
a Outdoor unit installation manual
b General safety precautions
c Fluorinated greenhouse gases label
d Multilingual fluorinated greenhouse gases label
e Energy label
f Screw bag. The screws will be used for fixing the
electrical wire anchor bands.
g Drain cap (small)
h Drain cap (large)
i Reducer assembly
j Drain socket
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.
c d e
1× 1× 2×
i j
1×
1×
4MWXM-A9
R32 Split series
3P600450-7T – 2022.09