Mitsubishi Electric MSZ-DW25VF 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.
■ Electrical wor should be performed by a quali ed,
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 damage the wires by applying excessive
pressure with parts or screws.
■ Be sure to cut off the main power in case of setting
up the indoor P.C. board or wiring works.
■ Use the speci ed wires to connect the indoor and
outdoor units securely and attach the wires rmly 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 intermediate connection.
■ Do not install the unit in a place where ammable
gas may leak.
■ Do not use intermediate connection of the power
cord or the extension cord and do not connect many
devices to one AC outlet.
■ Install an earth leakage breaker depending on the
installation place.
I an eart leakage reaker is n t installed it c uld cause
electric s ck
■ Perform the drainage/piping work securely ac-
cording to the installation manual.
I t ere is de ect in t e drainage i ing w rk water c uld
dr r m t e unit s aking and damaging
g ds
REFRIGERANT
Model names are indicated in 1-3.
WARNING
■ Be sure to use the parts provided or speci ed parts
for the installation work.
■ 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 com-
pletely into the outlet.
■ Attach the electrical cover to the indoor unit and the
service panel to the outdoor unit securely.
■ When installing, relocating, or servicing the unit,
make sure that no substance other than the speci-
ed refrigerant (R32) enters the refrigerant circuit.
■ Do not discharge the refrigerant into the atmos-
phere. If refrigerant leaks during installation, ven-
tilate the room. Check that the refrigerant does not
leak after installation has been completed.
■ Use appropriate tools and piping materials for instal-
lation.
■ When pumping down the refrigerant, stop the com-
pressor before disconnecting the refrigerant pipes.
CAUTION
■ Do not touch the air inlet or the aluminum ns of
the outdoor unit.
is c uld cause in ury
■ Do not install the outdoor unit where small ani-
mals may live.
I small animals enter and t uc t e electric arts inside
t e unit it c uld cause a mal uncti n sm ke emissi n
use ld r re ls ad ise user t kee t e area ar und t e
unit clean
Required Tools for Installation
■ When installing the unit, securely connect the re-
frigerant pipes before starting the compressor.
■ Fasten a are nut with a torque wrench as speci ed
in this manual.
■ The unit shall be installed in accordance with na-
tional wiring regulations.
■ When using a gas burner or other ame-producing
equipment, completely remove all of the refrigerant
from the air conditioner and ensure that the area is
well-ventilated.
■ Do not use means to accelerate the defrosting pro-
cess or to clean, other than those recommended by
the manufacturer.
■ The appliance shall be stored in a room without
continuously operating ignition sources (for exam-
ple open ames, an operating gas appliance 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 damage.
■ 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.
( uld lead t seri us in ury in articular en ir nments w en
■ Do not operate the air conditioner during interior
construction and nishing work, or while waxing
the oor.
e re erating t e air c nditi ner entilate t e r
well a ter suc w rk is er rmed
cause latile elements t ad ere inside t e air c ndi
ti ner resulting in water leakage r scattering
erated inc rrectly )
m
t erwise it may
dew