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CONTENTS
1 . SAFETY PRECAUTIONS ............................................. 54
2. WHAT TO DO BEFORE OPERATION ......................... 56
3. OPERATION RANGE ................................................... 57
4. INSTALLATION SITE ................................................... 57
5. OPERATION PROCEDURE ......................................... 57
6 . OPERATION CHARACTERISTICS .............................. 58
7. OPTIMUM OPERATION ............................................... 59
8. MAINTENANCE (FOR SERVICE PERSONNEL) ......... 60
10. TROUBLE SHOOTING ................................................ 6 4
1. SAFETY PRECAUTIONS
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Read the precautions in this manual
carefully before operating the unit.
This appliance is filled with R32.
To gain full advantage of the air conditioner's functions and to
avoid malfunction due to mishandling, we recommend that
you read this instruction manual carefully before use.
This air conditioner is classified under "appliances not
accessible to the general public".
• Read the precautions thoroughly to avoid misuse
of the equipment.
• The precautions described herein are classified as
WARNING and CAUTION. They both contain important
information regarding safety. Be sure to observe all
precautions without fail.
• There are two kinds of safety precaution and tips
listed in the following.
� WARNING ......
Failure to follow these instructions
properly may result in personal injury or
loss of life.
� CAUTION .......
Failure to observe these instructions
properly may result in property damage
or personal injury, which may be
serious depending on the circumstances.
• After reading, keep this manual in a convenient place
so that you can refer to it whenever necessary. If the
equipment is transferred to a new user, be sure also to
hand over the manual.
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WARNING---------
• The appliance must be stored in a room without
continuously operating ignition sources (for
example: open flames, an operating gas appliance
or an operating electric heater).
• Do not pierce or burn.
• Be aware that refrigerants may not contain
an odour.
• Floor area required for installation of the equipment,
refer to the installation manual of the outdoor unit.
• Be aware that prolonged, direct exposure to cool
air from the air conditioner, or to air that is too
cool can be harmful to your physical condition and
health.
• When the air conditioner is malfunctioning (giving
off a burning odour, etc.) turn off power to the unit
and contact your local dealer.
Continued operation under such circumstances may
result in a failure, electric shocks or fire hazards.
• Consult your local dealer about installation work.
Doing the work yourself may result in water leakage,
electric shocks or fire hazards.
• Consult your local dealer regarding modification,
repair and maintenance of the air conditioner.
Improper workmanship may result in water leakage,
electric shocks or fire hazards.
• Do not place objects, including rods, your fingers,
etc., in the air inlet or outlet.
Injury may result due to contact with the air conditioner's
high speed fan blades.
• Beware of fire in case of refrigerant leakage.
If the air conditioner is not operating correctly, i.e. not
generating cool air, refrigerant leakage could be the
cause.
Consult your dealer for assistance.
The refrigerant within the air conditioner is safe and
normally does not leak.
However, in the event of a leakage, contact with a naked
burner, heater or cooker may result in generation of
noxious gas.
Do not longer use the air conditioner until a qualified
service person confirms that the leakage has been repaired.
• 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.
• Contact professional personnel about attachment of
accessories and be sure to use only accessories
specified by the manufacturer.
If a defect results from your own workmanship, it may
result in water leaks, electric shock or fire.
• Consult your local dealer regarding relocation and
reinstallation of the air conditioner.
Improper installation work may result in leakage, electric
shocks or fire hazards.
• Be sure to use fuses with the correct ampere reading.
Do not use improper fuses, copper or other wires as a
substitute, as this may result in electric shock, fire, injury
or damage to the unit.
• Be sure to earth the unit.
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.
• Consult the dealer if the air conditioner submerges
owing to a natural disaster, such as a flood or typhoon.
Do not operate the air conditioner in that case, or
otherwise a malfunction, electric shock, or fire may result.
• Do not start or stop operating the air conditioner
with the power supply breaker turned ON or OFF.
Otherwise, fire or water leakage may result.
Furthermore, the fan will rotate abruptly if power failure
compensation is enabled, which may result in injury.
• Do not use the product in the atmosphere contaminated
with oil vapor, such as cooking oil or machine oil vapor.
Oil vapor may cause crack damage, electric shocks, or fire.
• Do not use the product in places with excessive oily
smoke, such as cooking rooms, or in places with
flammable gas, corrosive gas, or metal dust.
Using the product in such places may cause fire or
product failure.
54
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