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CAUTION

•

While following the instructions in this installation man-
ual, install drain piping in order to ensure proper drain-
age and insulate piping in order to prevent
condensation.

Improper drain piping may result in water leakage and prop-
erty damage.

•

Do not touch the heat exchanger fins.

Improper handling may result in injury.

•

Be very careful about product transportation.

Some products use PP bands for packaging. Do not use any
PP bands for a means of transportation. It is dangerous.

•

Safely dispose of the packing materials.

Packing materials, such as nails and other metal or wooden
parts, may cause stabs or other injuries.
Tear apart and throw away plastic packaging bags so that
children will not play with them. If children play with a plastic
bag which was not torn apart, they face the risk of suffoca-
tion.

•

Do not turn off the power immediately after stopping
operation.

Always wait at least five minutes before turning off the power.
Otherwise, water leakage and trouble may occur.

NOTE

•

Install the indoor and outdoor units, power supply wiring
and connecting wires at least 3.5ft. away from televisions or
radios in order to prevent image interference or noise.

(Depending on the radio waves, a distance of 3.5ft. may not
be sufficient enough to eliminate the noise.)

•

Remote controller (wireless kit) transmitting distance
can result shorter than expected in rooms with elec-
tronic fluorescent lamps. (inverter or rapid start types)

Install the indoor unit as far away from fluorescent lamps as
possible.

•

This unit is a class A product.

In a domestic environment this product may cause radio
interference in which case the user may be required to take
adequate measures.

•

Dismantling of the unit, treatment of the refrigerant, oil
and eventual other parts, should be done in accordance
with the relevant local and national regulations.

2. BEFORE INSTALLATION

•

When moving the unit while removing it from the carton
box, be sure to lift it by holding on to the four lifting lugs
without exerting any pressure on other parts, especially,
the refrigerant piping, drain piping, and other resin parts.

• Be sure to check the type of R410A refrigerant to be used

before installing the unit. (Using an incorrect refrigerant will
prevent normal operation of the unit.)

• The accessories needed for installation must be retained in

your custody until the installation work is completed. Do not
discard them!

• Decide upon a line of transport.
• Leave the unit inside its packaging while moving, until reach-

ing the installation site. Where unpacking is unavoidable, use
a sling of soft material or protective plates together with a
rope when lifting, to avoid damage or scratches to the unit.

• When moving the unit at or affter opening, hold the unit by

the hanger brackets (× 4). Do not apply force to the refriger-
ant piping, drain piping or plastic parts.

• For the installation of an outdoor unit, refer to the installation

manual attached to the outdoor unit.

• Do not install or operate the unit in rooms mentioned below.

•

Laden with mineral oil, or filled with oil vapor or spray
like in kitchens. (Plastic parts may deteriorate which
could eventually cause the unit to fall out of place, or
could lead to leaks.)

•

Where corrosive gas like sulfurous gas exists. (Cop-
per tubing and brazed spots may corrode which could
eventually lead to refrigerant leaks.)

•

Where exposed to combustible gases and where vol-
atile flammable gas like thinner or gasoline is used.
(Gas in the vicinity of the unit could ignite.)

•

Where machines can generate electromagnetic
waves. (Control system may malfunction.)

•

Where the air contains high levels of salt such as that
near the ocean and where voltage fluctuates greatly
such as that in factories.
Also in vehicles or vessels.

• This unit, both indoor and outdoor, is suitable for installation in a

commercial and light industrial environment.
If installed as a household appliance it could cause electro-
magnetic interference.

NOTE

• Be sure to read this manual before installing the indoor unit.
• Entrust installation to the place of purchase or a qualified ser-

viceman. Improper installation could lead to leaks and, in
worse cases, electric shock of fire.

• Use only parts provided with the unit or parts satisfying

required specifications. Unspecified parts could cause the
unit to fall out of place, or could lead to leaks and, in worse
cases, electric shock or fire.

• Be sure to mount an air filter (part to be procured in the field) in

the suction air passage in order to prevent water leaking, etc.

2-1

ACCESSORIES

Check the following accessories are included with your unit.

Name

1) Drain

hose

2) Metal

clamp

3) Washer for

hanger