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Mitsubishi Electric MSZ-AY20VGK Notice D'installation page 2

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  • FRANÇAIS, page 18
Contents
1. Before Installation ............................................................1
2. Indoor Unit Installation .....................................................4
3. Outdoor Unit Installation ..................................................6
4. Evacuation Procedures, Leak Test, and Test Run ...........7
5. Connection Setup of the Wi-Fi Interface .........................8
6. Relocation and Maintenance ...........................................8
1. Before Installation
Meanings of symbols displayed on indoor unit and/or outdoor unit
Warning
(Risk of fire)
Read the OPERATING INSTRUCTIONS carefully before operation.
Service personnel are required to carefully read the OPERATING INSTRUCTIONS and INSTALLATION MANUAL before operation.
Further information is available in the OPERATING INSTRUCTIONS, INSTALLATION MANUAL, and the like.
EN
1-1. The Following Should Always Be Observed for Safety
• Be sure to read "The Following Should Always Be Observed for Safety" before installing the air conditioner.
• Before starting the connection setup of the Wi-Fi interface, check the safety precautions in OPERATING INSTRUCTIONS of the room air conditioner. Wi-Fi
registered trademark of Wi-Fi Alliance
• Be sure to observe the warnings and cautions specified here as they include important items related to safety.
• After reading this manual, be sure to keep it together with the OPERATING INSTRUCTIONS for future reference.
Do not install the unit by yourself (user).
Incomplete installation could cause fire, electric
shock, injury due to the unit falling, or leakage of
water. Consult the dealer from whom you purchased
the unit or a qualified installer.
Perform the installation securely referring to the
installation manual.
Incomplete installation could cause fire, electric
shock, injury due to the unit falling, or leakage of
water.
When installing the unit, use appropriate protec-
tive equipment and tools for safety.
Failure to do so could cause injury.
Install the unit securely in a place which can
bear the weight of the unit.
If the installation location cannot bear the weight of
the unit, the unit could fall causing injury.
Do not alter the unit.
It may cause fire, electric shock, injury or water
leakage.
Electrical work should be performed by a quali-
fied, experienced electrician, according to the
installation manual. Be sure to use an exclusive
circuit. Do not connect other electrical appli-
ances to the circuit.
If the capacity of the power circuit is insufficient or
there is incomplete electrical work, it could result in
a fire or an electric shock.
Earth the unit correctly.
Do not connect the earth to a gas pipe, water pipe,
lightning rod, or telephone earth. Defective earthing
could cause electric shock.
Do not damage the wires by applying excessive
pressure with parts or screws.
Damaged wires could cause fire or electric shock.
Be sure to cut off the main power in case of
setting up the indoor printed circuit board or
wiring works.
Failure to do so could cause electric shock.
Use the specified wires to connect the indoor
and outdoor units securely and attach the wires
firmly to the terminal block connecting sections
so the stress of the wires is not applied to the
sections. Do not extend the wires, or use inter-
mediate connection.
Incomplete connecting and securing could cause
fire.
Do not install the unit in a place where flammable
gas may leak.
If gas leaks and accumulates in the area around the
unit, it could cause an explosion.
Do not use intermediate connection of the power
cord or the extension cord and do not connect
many devices to one AC outlet.
It could cause a fire or an electric shock due to
defective contact, defective insulation, exceeding
the permissible current, etc.
EN-1
When installing multi units,
refer to the installation manual
of the multi unit for outdoor
unit installation.
This unit uses a flammable refrigerant.
If refrigerant leaks and comes in contact with fire or heating part, it will create harmful gas and there is risk of fire.
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®
Be sure to use the parts provided or specified
parts for the installation work.
The use of defective parts could cause an injury or
leakage of water due to a fire, an electric shock, the
unit falling, etc.
When plugging the power supply plug into the
outlet, make sure that there is no dust, clogging,
or loose parts in both the outlet and the plug.
Make sure that the power supply plug is pushed
completely into the outlet.
If there is dust, clogging, or loose parts on the power
supply plug or the outlet, it could cause electric
shock or fire. If loose parts are found on the power
supply plug, replace it.
Attach the electrical cover to the indoor unit and
the service panel to the outdoor unit securely.
If the electrical cover of the indoor unit and/or the
service panel of the outdoor unit are not attached
securely, it could result in a fire or an electric shock
due to dust, water, etc.
When installing, relocating, or servicing the unit,
make sure that no substance other than the
specified refrigerant (R32) enters the refrigerant
circuit.
Any presence of foreign substance such as air
can cause abnormal pressure rise and may result
in explosion or injury. The use of any refrigerant
other than that specified for the system will cause
mechanical failure, system malfunction, or unit
breakdown. In the worst case, this could lead to a
serious impediment to securing product safety.
Do not discharge the refrigerant into the atmos-
phere. If refrigerant leaks during installation,
ventilate the room. Check that the refrigerant
does not leak after installation has been com-
pleted.
If refrigerant leaks and comes in contact with fire or
heating part of such a fan heater, kerosene heater,
or cooking stove, it will create harmful gas. Provide
ventilation in accordance with EN378-1.
Use appropriate tools and piping materials for
installation.
The pressure of R32 is 1.6 times more than R22. Not
using appropriate tools or materials and incomplete
installation could cause the pipes to burst or injury.
When pumping down the refrigerant, stop the
compressor before disconnecting the refriger-
ant pipes.
If the refrigerant pipes are disconnected while the
compressor is running and the stop valve is open,
air could be drawn in and the pressure in the refrig-
eration cycle could become abnormally high. This
could cause the pipes to burst or injury.
Required tools for installation
Phillips screwdriver
Level
Scale
Utility knife or scissors
65 mm hole saw
Torque wrench
Wrench (or spanner)
Warning
(Could lead to death, serious injury, etc.)
When installing the unit, securely connect the
refrigerant pipes before starting the compres-
sor.
If the compressor is started before the refrigerant
pipes are connected and when the stop valve is
open, air could be drawn in and the pressure in the
refrigeration cycle could become abnormally high.
This could cause the pipes to burst or injury.
Fasten a flare nut with a torque wrench as speci-
fied in this manual.
If fastened too tight, a flare nut may break after a
long period and cause refrigerant leakage.
The unit shall be installed in accordance with
national wiring regulations.
When using a gas burner or other flame-pro-
ducing equipment, completely remove all of the
refrigerant from the air conditioner and ensure
that the area is well-ventilated.
If the refrigerant leaks and comes in contact in fire
or heating part, it will create harmful gas and there
is risk of fire.
Do not use means to accelerate the defrosting
process or to clean, other than those recom-
mended by the manufacturer.
The appliance shall be stored in a room without
continuously operating ignition sources (for
example: open flames, an operating gas appli-
ance or an operating electric heater).
Do not pierce or burn.
Be aware that refrigerants may not contain an
odour.
Pipe-work shall be protected from physical dam-
age.
The installation of pipe-work shall be kept to a
minimum.
Compliance with national gas regulations shall
be observed.
Keep any required ventilation openings clear of
obstruction.
For Wi-Fi interface
Do not install the indoor unit equipped with the
Wi-Fi interface nearby the automatic control
devices such as automatic doors or fire alarms.
It can cause accidents due to malfunctions.
Do not use the indoor unit equipped with the
Wi-Fi interface nearby the medical electrical
equipment or people who have a medical device
such as a cardiac pacemaker or an implantable
cardioverter-defibrillator.
It can cause an accident due to malfunctions of the
medical equipment or device.
This indoor unit equipped with the Wi-Fi inter-
face should be installed and operated with a
minimum distance of 20 cm between the device
and the user or bystanders.
FOR INSTALLER
4 mm hexagonal wrench
Flare tool for R32, R410A
Gauge manifold for R32, R410A
Vacuum pump for R32, R410A
Charge hose for R32, R410A
Pipe cutter with reamer
is a
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