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3
English
Do not place objects in direct proximity of the outdoor
unit and do not let leaves and other debris accumulate
around the unit.
Leaves are a hotbed for small animals which can enter the
unit. Once in the unit, such animals can cause malfunc-
tions, smoke or a fire when making contact with electrical
parts.
Before cleaning, be sure to stop the air conditioner
operation, turn the power circuit breaker off.
Otherwise, an electric shocks and injury may result.
To avoid electric shocks, do not operate with wet
hands.
Never touch the internal parts of the remote controller.
Touching certain internal parts will cause electric shocks
and damage to the remote controller. Consult your local
dealer about checking and adjustment of internal parts.
To avoid oxygen deficiency, ensure that the room is
adequately ventilated if equipment such as a burner is
used together with the air conditioner.
Do not leave the remote controller wherever there is a
risk of wetting.
If water gets into the remote controller there is a risk of elec-
trical leakage and damage to electronic components.
Watch your steps at the time of air filter cleaning or
inspection.
High-place work is required, to which utmost attention must
be paid.
If the scaffold is unstable, you may fall or topple down, thus
causing injury.
Do not remove the outdoor unit’s outlet side grille.
The grille protects against the unit’s high speed fan, which
may cause injury.
To avoid injury, do not touch the air inlet or aluminum
fins of the air conditioner.
Do not place objects that are susceptible to moisture
directly beneath the indoor or outdoor units.
Under certain conditions, condensation on the unit or refrig-
erant piping, air filter dirt or drain blockage may cause drip-
ping, resulting in fouling or failure of the object concerned.
Do not place heaters directly below the indoor unit, as
resulting heat can cause deformation.
Do not place appliances that produce naked flames in
places exposed to the airflow from the air conditioner
as this may impair combustion of the burner.
Do not block air inlets nor outlets.
Impaired airflow may result in insufficient performance or
trouble.
Do not use the air conditioner for purposes other than
those for which it is intended.
Do not use the air conditioner for cooling precision instru-
ments, food, plants, animals or works of art as this may
adversely affect the performance, quality and/or longevity
of the object concerned.
Do not install the air conditioner at any place where
there is a danger of flammable gas leakage.
In the event of a gas leakage, build-up of gas near the air
conditioner may result in a fire.
Carry out drain piping properly to ensure complete
drainage.
If drain piping is not carried out properly, drain will not flow
out. Then, dirt and debris may be accumulated in the drain
piping and may cause water leakage. If it occurs, stop the
air conditioner and call your local dealer for assistance.
• NOTE TO SERVICE PERSONNEL
WARNING
May cause electric shock, ignition, fire
•
Before starting the inspection of the electrical
parts (control box, fan motor, drain pump, etc.), be
sure cut off the all air-conditioner power of indoor
unit and outdoor unit and other power, or you may
get an electric shock.
•
When cleaning the heat exchanger, be sure to
remove the switch box, fan motor and drain
pump. Water or detergent may deteriorate the
insulation of electric components and result in
burn-out of these components.
•
Due to high voltage, do not open control box lid for
ten minutes after the safety breaker is switched
off.
CAUTION! ELECTRIC SHOCK
•
Due to high voltage, do not open control box
cover for ten minutes after the safety breaker is
switched off.
•
After the box is opened, measure the voltages of
the points shown below printed circuit board with
a tester and confirm that the voltages are not
higher than DC50V.
Do not touch live parts when carrying out this
work.
•
After power failure, operation will restart automat-
ically.
A1P
X2M
X1M
C-
C+
- +
0
A1P
Residual voltage
measurement points
Printed
circuit
board
Control box
4PEN465287-1C.book Page 3 Thursday, March 23, 2017 2:47 PM