2. BEFORE INSTALLATION ................................................ 2
3. SELECTING INSTALLATION SITE ................................. 3
4. PREPARATIONS BEFORE INSTALLATION.................... 4
5. INDOOR UNIT INSTALLATION ....................................... 4
6. REFRIGERANT PIPING WORK ..................................... 5
7. DRAIN PIPING WORK .................................................... 6
8. ELECTRIC WIRING WORK ............................................ 7
9. WIRING EXAMPLE AND HOW TO SET
THE REMOTE CONTROLLER........................................ 7
10. FIELD SETTING............................................................ 10
11. TEST OPERATION........................................................ 10
1.SAFETY PRECAUTIONS
Please read these “SAFETY PRECAUTIONS” carefully before
installing air conditioning unit and be sure to install it correctly.
After completing installation, conduct a trial operation to check
for faults and explain to the customer how to operate the air conditioner and take care of it with the aid of the operation manual.
Ask the customer to store the installation manual along with the
operation manual for future reference.
This air conditioner comes under the term “appliances not
accessible to the general public”.
Safety Precaution
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.
Meaning of WARNING and CAUTION notices
WARNING ............. Failure to follow these instructions
properly may result in personal injury
or loss of life.
CAUTION
WARNING
• Ask your dealer or qualified personnel to carry out installation
work.
Do not attempt to install the air conditioner yourself. Improper
installation may result in water leakage, electric shocks or
fire.
• Install the air conditioner in accordance with the instructions
in this installation manual.
Improper installation may result in water leakage, electric
shocks or fire.
• Consult your local dealer regarding what to do in case of
refrigerant leakage. When the air conditioner is to be
installed in a small room, it is necessary to take proper measures so that the amount of any leaked refrigerant does not
exceed the concentration limit in the event of a leakage.
Otherwise, this may lead to an accident due to oxygen depletion.
..............Failure to observe these instructions
properly may result in property damage or personal injury, which may be
serious depending on the circumstances.
• Be sure to use only the specified accessories and parts for
installation work.
Failure to use the specified parts may result in the unit falling,
water leakage, electric shocks or fire.
• Install the air conditioner on a foundation strong enough to
withstand the weight of the unit.
A foundation of insufficient strength may result in the equipment falling and causing injury.
• Carry out the specified installation work after taking into
account strong winds, typhoons or earthquakes.
Failure to do so during installation work may result in the unit
falling and causing accidents.
• Make sure that a separate power supply circuit is provided for
this unit and that all electrical work is carried out by qualified
personnel according to local laws and regulations and this
installation manual.
An insufficient power supply capacity or improper electrical
construction may lead to electric shocks or fire.
• Make sure that all wiring is secured, the specified wires are
used, and that there is no strain on the terminal connections
or wires.
Improper connections or securing of wires may result in
abnormal heat build-up or fire.
• When wiring the power supply and connecting the remote
controller wiring and transmission wiring, position the wires
so that the electric parts box lid can be securely fastened.
Improper positioning of the electric parts box lid may result in
electric shocks, fire or the terminals overheating.
• If refrigerant gas leaks during installation, ventilate the area
immediately.
Toxic gas may be produced if the refrigerant comes into contact with fire.
After completing installation, check for refrigerant gas leakage.
•
Toxic gas may be produced if the refrigerant gas leaks into the
room and comes into contact with a source of fire, such as a
fan heater, stove or cooker.
• Be sure to switch off the unit before touching any electrical
parts.
• Be sure to earth the air conditioner.
Do not earth the unit to a utility pipe, lightning conductor or
telephone earth lead. Imperfect earthing may result in electric shocks or fire.
A high surge current from lightning or other sources may
cause damage to the air conditioner.
• Be sure to install an earth leakage breaker.
Failure to install an earth leakage breaker may result in electric shocks or fire.
CAUTION
• While following the instructions in this installation manual,
install drain piping to ensure proper drainage and insulate
piping to prevent condensation.
Improper drain piping may result in indoor water leakage and
property damage.
• Install the indoor and outdoor units, power cord and connecting wires at least 1 meter away from televisions or radios to
prevent picture interference and noise.
(Depending on the incoming signal strength, a distance of
1 meter may not be sufficient to eliminate noise.)
• Remote controller (wireless kit) transmitting distance can be
shorter than expected in rooms with electronic fluorescent
lamps (inverter or rapid start types).
Install the indoor unit as far away from fluorescent lamps as
possible.
English1
• Do not install the air conditioner in the following locations:
1. Where there is a high concentration of mineral oil spray or
vapour (e.g. a kitchen).
Plastic parts will deteriorate, parts may fall off and water
leakage could result.
2. Where corrosive gas, such as sulphurous acid gas, is produced.
Corroding of copper pipes or soldered parts may result in
refrigerant leakage.
3. Near machinery emitting electromagnetic radiation.
Electromagnetic radiation may disturb the operation of the
control system and result in a malfunction of the unit.
4. Where flammable gas may leak, where there is carbon
fibre or ignitable dust suspensions in the air, or where volatile flammables such as paint thinner or gasoline are
handled.
Operating the unit in such conditions may result in fire.
• The air conditioner is not intended for use in a potentially
explosive atmosphere.
2.BEFORE INSTALLATION
• When moving the unit while removing it from the carton
box, be sure to lift it 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 reaching 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.
• 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 electromagnetic interference.
2-1PRECAUTIONS
• Be sure to read this manual before installing the indoor unit.
• Entrust installation to the place of purchase or a qualified serviceman. 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.
• Ventilate the room if refrigerant gas leakage occurs during
the installation work. Exposure gas to flame or hot object
may result in production of toxic gases.
• When the installation work is finished, check to make certain
that refrigerant gas is not leaking. Refrigerant gas leakage
and its exposure to flame or hot object in fan heater, stove,
cooking appliance, etc. may result in production of toxic
gases.
2-2ACCESSORIES
Check the following accessories are included with your
unit.
NameDrain hose
Quantity1 set1 each.
Hose × 1
Metal clamp × 1
(1)(2)
Shape
NameSealing padClamp
Quantity1 pc.8 pcs.
(5)
Shape
NameLeveling
Quantity4 pcs.
(7)
Shape
Insulation for
fitting
(3) For gas pipe
(4) For liquid pipe
(6)
[Other]
• Operation manual
• Installation manual
2-3OPTIONAL ACCESSORIES
• These are two types of remote controllers: wired and wireless. Select a remote controller according to customer
request and install in an appropriate place.
Tab l e 1
Remote controller
Wired type
Wireless type
NOTE
• If you wish to use a remote controller that is not listed in
Table 1, select a suitable remote controller after consulting
catalogs and technical materials.
Heat pump type
Cooling only type
2English
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