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1. Safety precautions
s Before operating the unit, make sure you read all the "Safety
precautions".
s "Safety precautions" lists important points about safety.
Please be sure to follow them.
Symbols used in the text
Warning:
Describes precautions that should be observed to avoid the risk of injury or
death to the user.
Caution:
Describes precautions that should be observed to prevent damage to the unit.
Symbols used in the illustrations
: Indicates an action that must be avoided.
: Indicates that important instructions must be followed.
: Indicates a part which must be grounded.
: Indicates that caution should be taken with rotating parts. (This symbol is
displayed on the main unit label.) <Color: yellow>
: Beware of electric shock. (This symbol is displayed on the main unit label.)
<Color: yellow>
Warning:
Carefully read the labels affixed to the main unit.
1.1. Installation
s
After you have read this manual, keep it and the Installation Manual in a
safe place for easy reference whenever a question arises. If the unit is
going to be operated by another person, make sure that this manual is
given to him or her.
Warning:
•
The unit should not be installed by the user. Ask the dealer or an author-
ized company to install the unit. If the unit is installed improperly, water
leakage, electric shock or fire may result.
•
Use only accessories authorized by Mitsubishi Electric and ask your
dealer or an authorized company to install them. If accessories are in-
stalled improperly, water leakage, electric shock or fire may result.
•
The Installation Manual details the suggested installation method. Any
structural alteration necessary for installation must comply with local
building code requirements.
•
Never repair the unit or transfer it to another site by yourself. If repair is
performed improperly, water leakage, electric shock or fire may result. If
you need to have the unit repaired or moved, consult your dealer.
•
Keep the electric parts away from water (washing water) etc.
•
It might result in electric shock, catching fire or smoke.
Note1: When washing the Heat Exchanger and Drain Pan, ensure the Con-
trol Box, Motor and LEV remain dry, using a water proof covering.
Note2: Never drain the washing water for the Drain Pan and the Heat
Exchanger using the Drain Pump. Drain separately.
•
The appliance is not intended for use by young children or infirm per-
sons without supervision.
•
Young children should be supervised to ensure that they do not play
with the appliance.
•
Do not use a leak detection additive.
1) Outdoor unit
Warning:
•
The outdoor unit must be installed on a stable, level surface, in a place
where there is no accumulation of snow, leaves or rubbish.
•
Do not stand on, or place any items on the unit. You may fall down or the
item may fall, causing injury.
Caution:
The outdoor unit should be installed in a location where air and noise emit-
ted by the unit will not disturb the neighbours.
2) Indoor unit
Warning:
The indoor unit should be securely installed. If the unit is loosely mounted, it
may fall, causing injury.
3) Remote controller
Warning:
The remote controller should be installed in such a way that children cannot
play with it.
4) Drain hose
Caution:
Make sure that the drain hose is installed so that drainage can go ahead
smoothly. Incorrect installation may result in water leakage, causing dam-
age to furniture.
5) Power line, fuse or circuit breaker
Warning:
•
Make sure that the unit is powered by a dedicated supply. Other appli-
ances connected to the same supply could cause an overload.
•
Make sure that there is a main power switch.
•
Be sure to adhere to the unit's voltage and fuse or circuit breaker ratings.
Never use a piece of wire or a fuse with a higher rating than the one
specified.
6) Grounding
Caution:
•
The unit must be properly grounded. Never connect the grounding wire
to a gas pipe, water pipe, lightning conductor or telephone grounding
wire. If the unit is not grounded properly, electric shock may result.
•
Check frequently that the ground wire from the outdoor unit is properly
connected to both the unit's ground terminal and the grounding electrode.
1.2. During operation
Caution:
•
Do not use any sharp object to push the buttons, as this may damage the
remote controller.
•
Do not twist or tug on the remote controller cord as this may damage the
remote controller and cause malfunction.
•
Never remove the upper case of the remote controller. It is dangerous to
remove the upper case of the remote controller and touch the printed
circuit boards inside. Doing so can result in fire and failure.
•
Never wipe the remote controller with benzene, thinner, chemical rags,
etc. Doing so can result in discoloration and failure. To remove heavy
stains, soak a cloth in neutral detergent mixed with water, wring it out
thoroughly, wipe the stains off, and wipe again with a dry cloth.
•
Never block or cover the indoor or outdoor unit's intakes or outlets. Tall
items of furniture underneath the indoor unit, or bulky items such as
large boxes placed close to the outdoor unit will reduce the unit's effi-
ciency.
Warning:
•
Do not splash water over the unit and do not touch the unit with wet
hands. An electric shock may result.
•
Do not spray combustible gas close to the unit. Fire may result.
•
Do not place a gas heater or any other open-flame appliance where it will
be exposed to the air discharged from the unit. Incomplete combustion
may result.
Warning:
•
Do not remove the front panel or the fan guard from the outdoor unit
when it is running. You could be injured if you touch rotating, hot or high-
voltage parts.
•
Never insert fingers, sticks etc. into the intakes or outlets, otherwise in-
jury may result, since the fan inside the unit rotates at high speed. Exer-
cise particular care when children are present.
•
If you detect odd smells, stop using the unit, turn off the power switch
and consult your dealer. Otherwise, a breakdown, electric shock or fire
may result.
•
When you notice exceptionally abnormal noise or vibration, stop opera-
tion, turn off the power switch, and contact your dealer.
•
Do not over-cool. The most suitable inside temperature is one that is
°
within 5
C of the outside temperature.
•
Do not leave handicapped people or infants sitting or standing in the path
of the airflow from the air-conditioner. This could cause health problems.
Caution:
•
Do not direct the airflow at plants or caged pets.
•
Ventilate the room frequently. If the unit is operated continuously in a
closed room for a long period of time, the air will become stale.
5
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