Mitsubishi Electric MSZ-LN25VG2 Installation Manual

SPLIT-TYPE AIR CONDITIONERS
INSTALLATION MANUAL
1. BEFORE INSTALLATION
MEANINGS OF SYMBOLS DISPLAYED ON INDOOR UNIT AND/OR OUTDOOR UNIT
WARNING
1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY
■ Do not install the unit by yourself (user).
■ Perform the installation securely referring to the
installation manual.
■ When installing the unit, use appropriate protective
equipment and tools for safety.
■ Install the unit securely in a place which can bear the
weight of the unit.
■ Do not alter the unit.
■
experienced electrician, according to the installation
manual. Be sure to use an exclusive circuit. Do not
connect other electrical appliances to the circuit.
■ Earth the unit correctly.
Do not connect the earth to a gas pipe, water pipe, light-
■ Do not damage the wires by applying excessive pres-
sure with parts or screws.
■
up the indoor P.C. board or wiring works.
■
the terminal block connecting sections so the stress
of the wires is not applied to the sections. Do not
extend the wires, or use intermediate connection.
■
may leak.
If gas leaks and accumulates in the area around the unit,
■ Do not use intermediate connection of the power
cord or the extension cord and do not connect many
devices to one AC outlet.
■
for the installation work.
The use of defective parts could cause an injury or leakage
REFRIGERANT
Model names are indicated in 1-3.
When installing multi units, refer to the
installation manual of the multi unit for
■ 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 sup-
If loose parts are found on the power supply plug, replace
■ 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
■ When installing, relocating, or servicing the unit,
refrigerant (R32) enters the refrigerant circuit.
could lead to a serious impediment to securing product
■ Do not discharge the refrigerant into the atmosphere.
If refrigerant leaks during installation, ventilate the
room. Check that the refrigerant does not leak after
installation has been completed.
ing part of such a fan heater, kerosene heater, or cooking
■ Use appropriate tools and piping materials for instal-
lation.
appropriate tools or materials and incomplete installation
■ When pumping down the refrigerant, stop the com-
pressor before disconnecting the refrigerant pipes.
If the refrigerant pipes are disconnected while the com-
drawn in and the pressure in the refrigeration cycle could
■ When installing the unit, securely connect the refriger-
ant pipes before starting the compressor.
drawn in and the pressure in the refrigeration cycle could
Phillips screwdriver
Level
Scale
Utility knife or scissors
65 mm hole saw
Torque wrench
Wrench (or spanner)
Appropriate personal protective equipment
The installer should ensure they check the respective Work Health
and Safety (WHS) Act within their jurisdiction as the requirements and
WARNING
■
■ The unit shall be installed in accordance with national
■
■ Do not use means to accelerate the defrosting process
■ The appliance shall be stored in a room without
-
■ Do not pierce or burn.
■ Be aware that refrigerants may not contain an odour.
■ Pipe-work shall be protected from physical damage.
■ The installation of pipe-work shall be kept to a mini-
■ Compliance with national gas regulations shall be
- ■ Keep any required ventilation openings clear of ob-
■ Do not install the indoor unit equipped with the Wi-Fi
■ Do not use the indoor unit equipped with the Wi-Fi
■ This indoor unit equipped with the Wi-Fi interface
■ In Australia, only technicians that possess the appro-
Required Tools for Installation
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
in this manual.
wiring regulations.
equipment, completely remove all of the refrigerant
from the air conditioner and ensure that the area is
well-ventilated.
heating part, it will create harmful gas and there is risk of
or to clean, other than those recommended by the
manufacturer.
continuously operating ignition sources (for exam-
operating electric heater).
mum.
observed.
struction.
interface nearby the automatic control devices such
interface nearby the medical electrical equipment or
people who have a medical device such as a cardiac
tor.
It can cause an accident due to malfunctions of the medical
should be installed and operated with a minimum
distance of 20 cm between the device and the user
or bystanders.
priate license issued by the Australian Refrigeration
Council (ARC) should install this product.
-