Pioneer WYC009AMFI20 Service Manual page 4

There is risk of electric shock or fire.
 Stop operation and close the window
in storm or hurricane. If possible, remove
the product from the window before the
hurricane arrives.
There is risk of property damage, failure of
product, or electric shock.
 Do not open the inlet grill of the
product during operation. (Do not touch the
electrostatic filter, if the unit is so equipped.)
There is risk of physical injury, electric shock,
or product failure.
When the product is soaked, contact

an authorized service center.
There is risk of fire or electric shock.
 Be caution that water could not enter
the product.
There is risk of fire, electric shock, or product
damage.
 Ventilate the product from time to
time when operating it together with a stove
etc.
There is risk of fire or electric shock.
 Turn the main power off when
cleaning or maintaining the product.
There is risk of electric shock.
 When the product is not be used for a
long time, disconnect the power supply plug
or turn off the breaker.
There is risk of product damage or failure, or
unintended operation.
 Take care to ensure that nobody
could step on or fall onto the outdoor unit.
This could result in personal injury and
product damage.
 CAUTION
 Always check for gas (refrigerant)
leakage after installation or repair of
product.
Low refrigerant levels may cause failure of
product.
 Install the drain hose to ensure that
water is drained away properly.
A bad connection may cause water leakage.
Keep level even when installing the

product.
It can avoid vibration of water leakage.
 Do not install the product where the
noise or hot air from the outdoor unit could
damage the neighborhoods.
It may cause a problem for your neighbors.
 Use two or more people to lift and
transport the product.
 Do not install the product where it will
be exposed to sea wind (salt spray) directly.
It may cause corrosion on the product.
Corrosion, particularly on the condenser and
evaporator fins, could cause product
malfunction or inefficient operation.
 Operational
 Do not expose the skin directly to
cool air for long time. (Do not sit in the
draft).
 Do not use the product for special
purposes, such as preserving foods, works
of art etc. It is a consumer air conditioner,
not a precision refrigerant system.
There is risk of damage or loss of property.
 Do not block the inlet or outlet of air
flow.
 Use a soft cloth to clean. Do not use
harsh detergents, solvents, etc.
There is risk of fire, electric shock, or damage
to the plastic parts of the product.
 Do not touch the metal parts of the
product when removing the air filter. They
are very sharp.
 Do not step on or put anything on the
product. (outdoor units)
 Always insert the filter securely.
Clean the filter every two weeks or more
often if necessary.
A dirty filter reduces the efficiency of the air
conditioner and could cause product
malfunction or damage.
 Do not insert hands or other objects
through air inlet or outlet while the product
is operated.
Do not drink the water drained from

the product.
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